(self["webpackChunkbrowser_extension"] = self["webpackChunkbrowser_extension"] || []).push([[787],{

/***/ 6678:
/***/ ((__unused_webpack_module, __unused_webpack___webpack_exports__, __webpack_require__) => {

"use strict";

// EXTERNAL MODULE: ./node_modules/react/index.js
var react = __webpack_require__(846);
// EXTERNAL MODULE: ./node_modules/react-dom/index.js
var react_dom = __webpack_require__(6644);
// EXTERNAL MODULE: ./Extension/src/common/translators/i18n.js
var i18n = __webpack_require__(7122);
// EXTERNAL MODULE: ./node_modules/mobx-react/dist/mobxreact.esm.js + 17 modules
var mobxreact_esm = __webpack_require__(2497);
// EXTERNAL MODULE: ./node_modules/classnames/index.js
var classnames = __webpack_require__(8356);
var classnames_default = /*#__PURE__*/__webpack_require__.n(classnames);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Tabs/Tab.jsx


const Tab = ({
  title,
  active,
  onClick
}) => {
  const tabClass = classnames_default()('tabs__tab', {
    tabs__tab_active: active
  });
  return /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: tabClass,
    onClick: onClick
  }, title);
};
// EXTERNAL MODULE: ./Extension/src/pages/services/messenger.js
var messenger = __webpack_require__(7916);
// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/initializerDefineProperty.js
var initializerDefineProperty = __webpack_require__(5497);
// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/applyDecoratedDescriptor.js
var applyDecoratedDescriptor = __webpack_require__(6813);
// EXTERNAL MODULE: ./node_modules/webextension-polyfill/dist/browser-polyfill.js
var browser_polyfill = __webpack_require__(3679);
var browser_polyfill_default = /*#__PURE__*/__webpack_require__.n(browser_polyfill);
// EXTERNAL MODULE: ./node_modules/mobx/dist/mobx.esm.js
var mobx_esm = __webpack_require__(1056);
;// CONCATENATED MODULE: ./node_modules/punycode/punycode.es6.js


/** Highest positive signed 32-bit float value */
const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1

/** Bootstring parameters */
const base = 36;
const tMin = 1;
const tMax = 26;
const skew = 38;
const damp = 700;
const initialBias = 72;
const initialN = 128; // 0x80
const delimiter = '-'; // '\x2D'

/** Regular expressions */
const regexPunycode = /^xn--/;
const regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars
const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators

/** Error messages */
const errors = {
	'overflow': 'Overflow: input needs wider integers to process',
	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
	'invalid-input': 'Invalid input'
};

/** Convenience shortcuts */
const baseMinusTMin = base - tMin;
const floor = Math.floor;
const stringFromCharCode = String.fromCharCode;

/*--------------------------------------------------------------------------*/

/**
 * A generic error utility function.
 * @private
 * @param {String} type The error type.
 * @returns {Error} Throws a `RangeError` with the applicable error message.
 */
function error(type) {
	throw new RangeError(errors[type]);
}

/**
 * A generic `Array#map` utility function.
 * @private
 * @param {Array} array The array to iterate over.
 * @param {Function} callback The function that gets called for every array
 * item.
 * @returns {Array} A new array of values returned by the callback function.
 */
function map(array, fn) {
	const result = [];
	let length = array.length;
	while (length--) {
		result[length] = fn(array[length]);
	}
	return result;
}

/**
 * A simple `Array#map`-like wrapper to work with domain name strings or email
 * addresses.
 * @private
 * @param {String} domain The domain name or email address.
 * @param {Function} callback The function that gets called for every
 * character.
 * @returns {Array} A new string of characters returned by the callback
 * function.
 */
function mapDomain(string, fn) {
	const parts = string.split('@');
	let result = '';
	if (parts.length > 1) {
		// In email addresses, only the domain name should be punycoded. Leave
		// the local part (i.e. everything up to `@`) intact.
		result = parts[0] + '@';
		string = parts[1];
	}
	// Avoid `split(regex)` for IE8 compatibility. See #17.
	string = string.replace(regexSeparators, '\x2E');
	const labels = string.split('.');
	const encoded = map(labels, fn).join('.');
	return result + encoded;
}

/**
 * Creates an array containing the numeric code points of each Unicode
 * character in the string. While JavaScript uses UCS-2 internally,
 * this function will convert a pair of surrogate halves (each of which
 * UCS-2 exposes as separate characters) into a single code point,
 * matching UTF-16.
 * @see `punycode.ucs2.encode`
 * @see <https://mathiasbynens.be/notes/javascript-encoding>
 * @memberOf punycode.ucs2
 * @name decode
 * @param {String} string The Unicode input string (UCS-2).
 * @returns {Array} The new array of code points.
 */
function ucs2decode(string) {
	const output = [];
	let counter = 0;
	const length = string.length;
	while (counter < length) {
		const value = string.charCodeAt(counter++);
		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
			// It's a high surrogate, and there is a next character.
			const extra = string.charCodeAt(counter++);
			if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
			} else {
				// It's an unmatched surrogate; only append this code unit, in case the
				// next code unit is the high surrogate of a surrogate pair.
				output.push(value);
				counter--;
			}
		} else {
			output.push(value);
		}
	}
	return output;
}

/**
 * Creates a string based on an array of numeric code points.
 * @see `punycode.ucs2.decode`
 * @memberOf punycode.ucs2
 * @name encode
 * @param {Array} codePoints The array of numeric code points.
 * @returns {String} The new Unicode string (UCS-2).
 */
const ucs2encode = array => String.fromCodePoint(...array);

/**
 * Converts a basic code point into a digit/integer.
 * @see `digitToBasic()`
 * @private
 * @param {Number} codePoint The basic numeric code point value.
 * @returns {Number} The numeric value of a basic code point (for use in
 * representing integers) in the range `0` to `base - 1`, or `base` if
 * the code point does not represent a value.
 */
const basicToDigit = function(codePoint) {
	if (codePoint - 0x30 < 0x0A) {
		return codePoint - 0x16;
	}
	if (codePoint - 0x41 < 0x1A) {
		return codePoint - 0x41;
	}
	if (codePoint - 0x61 < 0x1A) {
		return codePoint - 0x61;
	}
	return base;
};

/**
 * Converts a digit/integer into a basic code point.
 * @see `basicToDigit()`
 * @private
 * @param {Number} digit The numeric value of a basic code point.
 * @returns {Number} The basic code point whose value (when used for
 * representing integers) is `digit`, which needs to be in the range
 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
 * used; else, the lowercase form is used. The behavior is undefined
 * if `flag` is non-zero and `digit` has no uppercase form.
 */
const digitToBasic = function(digit, flag) {
	//  0..25 map to ASCII a..z or A..Z
	// 26..35 map to ASCII 0..9
	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
};

/**
 * Bias adaptation function as per section 3.4 of RFC 3492.
 * https://tools.ietf.org/html/rfc3492#section-3.4
 * @private
 */
const adapt = function(delta, numPoints, firstTime) {
	let k = 0;
	delta = firstTime ? floor(delta / damp) : delta >> 1;
	delta += floor(delta / numPoints);
	for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
		delta = floor(delta / baseMinusTMin);
	}
	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
};

/**
 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
 * symbols.
 * @memberOf punycode
 * @param {String} input The Punycode string of ASCII-only symbols.
 * @returns {String} The resulting string of Unicode symbols.
 */
const decode = function(input) {
	// Don't use UCS-2.
	const output = [];
	const inputLength = input.length;
	let i = 0;
	let n = initialN;
	let bias = initialBias;

	// Handle the basic code points: let `basic` be the number of input code
	// points before the last delimiter, or `0` if there is none, then copy
	// the first basic code points to the output.

	let basic = input.lastIndexOf(delimiter);
	if (basic < 0) {
		basic = 0;
	}

	for (let j = 0; j < basic; ++j) {
		// if it's not a basic code point
		if (input.charCodeAt(j) >= 0x80) {
			error('not-basic');
		}
		output.push(input.charCodeAt(j));
	}

	// Main decoding loop: start just after the last delimiter if any basic code
	// points were copied; start at the beginning otherwise.

	for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {

		// `index` is the index of the next character to be consumed.
		// Decode a generalized variable-length integer into `delta`,
		// which gets added to `i`. The overflow checking is easier
		// if we increase `i` as we go, then subtract off its starting
		// value at the end to obtain `delta`.
		let oldi = i;
		for (let w = 1, k = base; /* no condition */; k += base) {

			if (index >= inputLength) {
				error('invalid-input');
			}

			const digit = basicToDigit(input.charCodeAt(index++));

			if (digit >= base || digit > floor((maxInt - i) / w)) {
				error('overflow');
			}

			i += digit * w;
			const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);

			if (digit < t) {
				break;
			}

			const baseMinusT = base - t;
			if (w > floor(maxInt / baseMinusT)) {
				error('overflow');
			}

			w *= baseMinusT;

		}

		const out = output.length + 1;
		bias = adapt(i - oldi, out, oldi == 0);

		// `i` was supposed to wrap around from `out` to `0`,
		// incrementing `n` each time, so we'll fix that now:
		if (floor(i / out) > maxInt - n) {
			error('overflow');
		}

		n += floor(i / out);
		i %= out;

		// Insert `n` at position `i` of the output.
		output.splice(i++, 0, n);

	}

	return String.fromCodePoint(...output);
};

/**
 * Converts a string of Unicode symbols (e.g. a domain name label) to a
 * Punycode string of ASCII-only symbols.
 * @memberOf punycode
 * @param {String} input The string of Unicode symbols.
 * @returns {String} The resulting Punycode string of ASCII-only symbols.
 */
const encode = function(input) {
	const output = [];

	// Convert the input in UCS-2 to an array of Unicode code points.
	input = ucs2decode(input);

	// Cache the length.
	let inputLength = input.length;

	// Initialize the state.
	let n = initialN;
	let delta = 0;
	let bias = initialBias;

	// Handle the basic code points.
	for (const currentValue of input) {
		if (currentValue < 0x80) {
			output.push(stringFromCharCode(currentValue));
		}
	}

	let basicLength = output.length;
	let handledCPCount = basicLength;

	// `handledCPCount` is the number of code points that have been handled;
	// `basicLength` is the number of basic code points.

	// Finish the basic string with a delimiter unless it's empty.
	if (basicLength) {
		output.push(delimiter);
	}

	// Main encoding loop:
	while (handledCPCount < inputLength) {

		// All non-basic code points < n have been handled already. Find the next
		// larger one:
		let m = maxInt;
		for (const currentValue of input) {
			if (currentValue >= n && currentValue < m) {
				m = currentValue;
			}
		}

		// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
		// but guard against overflow.
		const handledCPCountPlusOne = handledCPCount + 1;
		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
			error('overflow');
		}

		delta += (m - n) * handledCPCountPlusOne;
		n = m;

		for (const currentValue of input) {
			if (currentValue < n && ++delta > maxInt) {
				error('overflow');
			}
			if (currentValue == n) {
				// Represent delta as a generalized variable-length integer.
				let q = delta;
				for (let k = base; /* no condition */; k += base) {
					const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
					if (q < t) {
						break;
					}
					const qMinusT = q - t;
					const baseMinusT = base - t;
					output.push(
						stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
					);
					q = floor(qMinusT / baseMinusT);
				}

				output.push(stringFromCharCode(digitToBasic(q, 0)));
				bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
				delta = 0;
				++handledCPCount;
			}
		}

		++delta;
		++n;

	}
	return output.join('');
};

/**
 * Converts a Punycode string representing a domain name or an email address
 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
 * it doesn't matter if you call it on a string that has already been
 * converted to Unicode.
 * @memberOf punycode
 * @param {String} input The Punycoded domain name or email address to
 * convert to Unicode.
 * @returns {String} The Unicode representation of the given Punycode
 * string.
 */
const toUnicode = function(input) {
	return mapDomain(input, function(string) {
		return regexPunycode.test(string)
			? decode(string.slice(4).toLowerCase())
			: string;
	});
};

/**
 * Converts a Unicode string representing a domain name or an email address to
 * Punycode. Only the non-ASCII parts of the domain name will be converted,
 * i.e. it doesn't matter if you call it with a domain that's already in
 * ASCII.
 * @memberOf punycode
 * @param {String} input The domain name or email address to convert, as a
 * Unicode string.
 * @returns {String} The Punycode representation of the given domain name or
 * email address.
 */
const toASCII = function(input) {
	return mapDomain(input, function(string) {
		return regexNonASCII.test(string)
			? 'xn--' + encode(string)
			: string;
	});
};

/*--------------------------------------------------------------------------*/

/** Define the public API */
const punycode = {
	/**
	 * A string representing the current Punycode.js version number.
	 * @memberOf punycode
	 * @type String
	 */
	'version': '2.1.0',
	/**
	 * An object of methods to convert from JavaScript's internal character
	 * representation (UCS-2) to Unicode code points, and back.
	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
	 * @memberOf punycode
	 * @type Object
	 */
	'ucs2': {
		'decode': ucs2decode,
		'encode': ucs2encode
	},
	'decode': decode,
	'encode': encode,
	'toASCII': toASCII,
	'toUnicode': toUnicode
};


/* harmony default export */ const punycode_es6 = (punycode);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/constants.js
const VIEW_STATES = {
  ACTIONS: 'actions',
  STATS: 'stats'
};
const POPUP_STATES = {
  APPLICATION_ENABLED: 'application.enabled',
  APPLICATION_FILTERING_DISABLED: 'application.filtering.disabled',
  APPLICATION_UNAVAILABLE: 'application.unavailable',
  SITE_IN_EXCEPTION: 'site.in.exception',
  SITE_ALLOWLISTED: 'site.allowlisted'
};
const TIME_RANGES = {
  DAY: 'day',
  WEEK: 'week',
  MONTH: 'month',
  YEAR: 'year'
};
// EXTERNAL MODULE: ./Extension/src/common/translators/reactTranslator.js
var reactTranslator = __webpack_require__(8647);
// EXTERNAL MODULE: ./Extension/src/common/constants.js
var constants = __webpack_require__(4568);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/stores/PopupStore.js




var _class, _descriptor, _descriptor2, _descriptor3, _descriptor4, _descriptor5, _descriptor6, _descriptor7, _descriptor8, _descriptor9, _descriptor10, _descriptor11, _descriptor12, _descriptor13, _descriptor14, _descriptor15, _descriptor16, _descriptor17, _descriptor18, _descriptor19, _descriptor20, _descriptor21, _descriptor22, _descriptor23, _descriptor24, _descriptor25, _descriptor26, _descriptor27, _descriptor28, _descriptor29;








 // Do not allow property change outside of store actions

(0,mobx_esm/* configure */.jQ)({
  enforceActions: 'observed'
});
let PopupStore = (_class = class PopupStore {
  // need for render blocking before first data retrieving
  constructor() {
    this.TOTAL_BLOCKED_GROUP_ID = 'total';

    (0,initializerDefineProperty/* default */.Z)(this, "isInitialDataReceived", _descriptor, this);

    (0,initializerDefineProperty/* default */.Z)(this, "applicationFilteringDisabled", _descriptor2, this);

    (0,initializerDefineProperty/* default */.Z)(this, "applicationAvailable", _descriptor3, this);

    (0,initializerDefineProperty/* default */.Z)(this, "canAddRemoveRule", _descriptor4, this);

    (0,initializerDefineProperty/* default */.Z)(this, "url", _descriptor5, this);

    (0,initializerDefineProperty/* default */.Z)(this, "viewState", _descriptor6, this);

    (0,initializerDefineProperty/* default */.Z)(this, "totalBlocked", _descriptor7, this);

    (0,initializerDefineProperty/* default */.Z)(this, "totalBlockedTab", _descriptor8, this);

    (0,initializerDefineProperty/* default */.Z)(this, "documentAllowlisted", _descriptor9, this);

    (0,initializerDefineProperty/* default */.Z)(this, "userAllowlisted", _descriptor10, this);

    (0,initializerDefineProperty/* default */.Z)(this, "showInfoAboutFullVersion", _descriptor11, this);

    (0,initializerDefineProperty/* default */.Z)(this, "isEdgeBrowser", _descriptor12, this);

    (0,initializerDefineProperty/* default */.Z)(this, "stats", _descriptor13, this);

    (0,initializerDefineProperty/* default */.Z)(this, "selectedTimeRange", _descriptor14, this);

    (0,initializerDefineProperty/* default */.Z)(this, "selectedBlockedType", _descriptor15, this);

    (0,initializerDefineProperty/* default */.Z)(this, "promoNotification", _descriptor16, this);

    (0,initializerDefineProperty/* default */.Z)(this, "hasCustomRulesToReset", _descriptor17, this);

    (0,initializerDefineProperty/* default */.Z)(this, "settings", _descriptor18, this);

    this.currentTabId = null;

    (0,initializerDefineProperty/* default */.Z)(this, "getPopupData", _descriptor19, this);

    (0,initializerDefineProperty/* default */.Z)(this, "changeApplicationFilteringDisabled", _descriptor20, this);

    (0,initializerDefineProperty/* default */.Z)(this, "setViewState", _descriptor21, this);

    (0,initializerDefineProperty/* default */.Z)(this, "toggleAllowlisted", _descriptor22, this);

    (0,initializerDefineProperty/* default */.Z)(this, "getStatisticsData", _descriptor23, this);

    this.getDataByRange = (stats, range) => {
      switch (range) {
        case TIME_RANGES.DAY:
          return stats.lastMonth[stats.lastMonth.length - 1];

        case TIME_RANGES.WEEK:
          {
            const result = {};

            for (let i = 0; i < stats.lastWeek.length; i += 1) {
              const day = stats.lastWeek[i]; // eslint-disable-next-line no-restricted-syntax

              for (const type of Object.keys(day)) {
                result[type] = (result[type] || 0) + day[type];
              }
            }

            return result;
          }

        case TIME_RANGES.MONTH:
          return stats.lastYear[stats.lastYear.length - 1];

        case TIME_RANGES.YEAR:
          {
            const result = {};

            for (let i = 0; i < stats.lastYear.length; i += 1) {
              const month = stats.lastYear[i]; // eslint-disable-next-line no-restricted-syntax

              for (const type of Object.keys(month)) {
                result[type] = (result[type] || 0) + month[type];
              }
            }

            return result;
          }

        default:
          throw new Error('There is no such time range type');
      }
    };

    (0,initializerDefineProperty/* default */.Z)(this, "setSelectedBlockedType", _descriptor24, this);

    (0,initializerDefineProperty/* default */.Z)(this, "setSelectedTimeRange", _descriptor25, this);

    (0,initializerDefineProperty/* default */.Z)(this, "closePromoNotification", _descriptor26, this);

    (0,initializerDefineProperty/* default */.Z)(this, "openPromoNotificationUrl", _descriptor27, this);

    (0,initializerDefineProperty/* default */.Z)(this, "updateBlockedStats", _descriptor28, this);

    (0,initializerDefineProperty/* default */.Z)(this, "onSettingUpdated", _descriptor29, this);

    (0,mobx_esm/* makeObservable */.rC)(this);
  }

  get currentSite() {
    if (this.applicationAvailable) {
      return this.domainName ? punycode_es6.toUnicode(this.domainName) : this.url;
    }

    return this.url;
  }

  get currentStatusMessage() {
    let messageKey = '';

    if (!this.applicationAvailable) {
      messageKey = 'popup_site_filtering_state_secure_page';
    } else if (!this.canAddRemoveRule) {
      messageKey = 'popup_site_exception_information';
    } else if (this.applicationFilteringDisabled) {
      messageKey = 'popup_site_filtering_state_paused';
    } else if (this.documentAllowlisted) {
      messageKey = 'popup_site_filtering_state_disabled';
    } else {
      messageKey = 'popup_site_filtering_state_enabled';
    }

    if (messageKey) {
      return reactTranslator/* reactTranslator.getMessage */._.getMessage(messageKey);
    }

    return null;
  }

  get popupState() {
    if (this.applicationFilteringDisabled) {
      return POPUP_STATES.APPLICATION_FILTERING_DISABLED;
    }

    if (!this.applicationAvailable) {
      return POPUP_STATES.APPLICATION_UNAVAILABLE;
    }

    if (!this.canAddRemoveRule) {
      return POPUP_STATES.SITE_IN_EXCEPTION;
    }

    if (this.documentAllowlisted) {
      return POPUP_STATES.SITE_ALLOWLISTED;
    }

    return POPUP_STATES.APPLICATION_ENABLED;
  }

  get statsDataByType() {
    const {
      stats
    } = this;

    if (!stats) {
      return null;
    }

    const statsDataForCurrentRange = this.getDataByRange(stats, this.selectedTimeRange);
    const {
      blockedGroups
    } = stats;
    return blockedGroups.slice().sort((groupA, groupB) => groupA.displayNumber - groupB.displayNumber).map(group => {
      const {
        groupId,
        groupName
      } = group;
      const blocked = statsDataForCurrentRange[group.groupId];
      return {
        groupId,
        blocked,
        groupName
      };
    }).filter(group => group.blocked > 0 || group.groupId === this.TOTAL_BLOCKED_GROUP_ID);
  }

  get appearanceTheme() {
    if (!this.settings) {
      return null;
    }

    return this.settings.values[this.settings.names.APPEARANCE_THEME];
  }

}, (_descriptor = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "isInitialDataReceived", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return false;
  }
}), _descriptor2 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "applicationFilteringDisabled", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return null;
  }
}), _descriptor3 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "applicationAvailable", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return true;
  }
}), _descriptor4 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "canAddRemoveRule", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return true;
  }
}), _descriptor5 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "url", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return null;
  }
}), _descriptor6 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "viewState", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return VIEW_STATES.ACTIONS;
  }
}), _descriptor7 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "totalBlocked", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return 0;
  }
}), _descriptor8 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "totalBlockedTab", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return 0;
  }
}), _descriptor9 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "documentAllowlisted", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return null;
  }
}), _descriptor10 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "userAllowlisted", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return null;
  }
}), _descriptor11 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "showInfoAboutFullVersion", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return true;
  }
}), _descriptor12 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "isEdgeBrowser", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return false;
  }
}), _descriptor13 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "stats", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return null;
  }
}), _descriptor14 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "selectedTimeRange", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return TIME_RANGES.WEEK;
  }
}), _descriptor15 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "selectedBlockedType", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return this.TOTAL_BLOCKED_GROUP_ID;
  }
}), _descriptor16 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "promoNotification", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return null;
  }
}), _descriptor17 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "hasCustomRulesToReset", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return false;
  }
}), _descriptor18 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "settings", [mobx_esm/* observable */.LO], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return null;
  }
}), _descriptor19 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "getPopupData", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return async () => {
      // get current tab id
      const tabs = await browser_polyfill_default().tabs.query({
        active: true,
        currentWindow: true
      });
      const currentTab = tabs === null || tabs === void 0 ? void 0 : tabs[0];
      const response = await messenger/* messenger.getTabInfoForPopup */.d.getTabInfoForPopup(currentTab === null || currentTab === void 0 ? void 0 : currentTab.id);
      (0,mobx_esm/* runInAction */.z)(() => {
        const {
          frameInfo,
          options,
          stats,
          settings
        } = response; // frame info

        this.applicationFilteringDisabled = frameInfo.applicationFilteringDisabled;
        this.applicationAvailable = frameInfo.applicationAvailable;
        this.url = frameInfo.url;
        this.totalBlocked = frameInfo.totalBlocked;
        this.totalBlockedTab = frameInfo.totalBlockedTab;
        this.domainName = frameInfo.domainName;
        this.documentAllowlisted = frameInfo.documentAllowlisted;
        this.userAllowlisted = frameInfo.userAllowlisted;
        this.canAddRemoveRule = frameInfo.canAddRemoveRule; // options

        this.showInfoAboutFullVersion = options.showInfoAboutFullVersion;
        this.isEdgeBrowser = options.isEdgeBrowser;
        this.promoNotification = options.notification;
        this.hasCustomRulesToReset = options.hasCustomRulesToReset; // stats

        this.stats = stats; // settings

        this.settings = settings;
        this.isInitialDataReceived = true;
        this.currentTabId = currentTab === null || currentTab === void 0 ? void 0 : currentTab.id;
      });
    };
  }
}), _descriptor20 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "changeApplicationFilteringDisabled", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return async state => {
      await messenger/* messenger.changeApplicationFilteringDisabled */.d.changeApplicationFilteringDisabled(state);
      (0,mobx_esm/* runInAction */.z)(() => {
        this.applicationFilteringDisabled = state;
      });
    };
  }
}), _descriptor21 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "setViewState", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return state => {
      this.viewState = state;
    };
  }
}), (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "currentSite", [mobx_esm/* computed */.Fl], Object.getOwnPropertyDescriptor(_class.prototype, "currentSite"), _class.prototype), (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "currentStatusMessage", [mobx_esm/* computed */.Fl], Object.getOwnPropertyDescriptor(_class.prototype, "currentStatusMessage"), _class.prototype), _descriptor22 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "toggleAllowlisted", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return () => {
      if (!this.applicationAvailable || this.applicationFilteringDisabled) {
        return;
      }

      if (!this.canAddRemoveRule) {
        return;
      }

      let isAllowlisted = this.documentAllowlisted;

      if (isAllowlisted) {
        messenger/* messenger.removeAllowlistDomain */.d.removeAllowlistDomain(this.currentTabId);
        isAllowlisted = false;
      } else {
        messenger/* messenger.addAllowlistDomain */.d.addAllowlistDomain(this.currentTabId);
        isAllowlisted = true;
      }

      (0,mobx_esm/* runInAction */.z)(() => {
        this.documentAllowlisted = isAllowlisted;
        this.userAllowlisted = isAllowlisted;
        this.totalBlockedTab = 0;
      });
    };
  }
}), (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "popupState", [mobx_esm/* computed */.Fl], Object.getOwnPropertyDescriptor(_class.prototype, "popupState"), _class.prototype), _descriptor23 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "getStatisticsData", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return async () => {
      const {
        stats
      } = await messenger/* messenger.getStatisticsData */.d.getStatisticsData();
      (0,mobx_esm/* runInAction */.z)(() => {
        this.stats = stats;
      });
    };
  }
}), (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "statsDataByType", [mobx_esm/* computed */.Fl], Object.getOwnPropertyDescriptor(_class.prototype, "statsDataByType"), _class.prototype), _descriptor24 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "setSelectedBlockedType", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return value => {
      this.selectedBlockedType = value;
    };
  }
}), _descriptor25 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "setSelectedTimeRange", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return value => {
      this.selectedTimeRange = value;
    };
  }
}), _descriptor26 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "closePromoNotification", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return async () => {
      this.promoNotification = null;
      await messenger/* messenger.sendMessage */.d.sendMessage(constants/* MESSAGE_TYPES.SET_NOTIFICATION_VIEWED */.oK.SET_NOTIFICATION_VIEWED, {
        withDelay: false
      });
    };
  }
}), _descriptor27 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "openPromoNotificationUrl", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return async () => {
      let {
        url
      } = this.promoNotification;
      url = `${url}&from=popup`;
      (0,mobx_esm/* runInAction */.z)(() => {
        this.promoNotification = null;
      });
      await messenger/* messenger.sendMessage */.d.sendMessage(constants/* MESSAGE_TYPES.SET_NOTIFICATION_VIEWED */.oK.SET_NOTIFICATION_VIEWED, {
        withDelay: false
      });
      await messenger/* messenger.sendMessage */.d.sendMessage('openTab', {
        url
      });
    };
  }
}), _descriptor28 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "updateBlockedStats", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return tabInfo => {
      this.totalBlocked = tabInfo.totalBlocked;
      this.totalBlockedTab = tabInfo.totalBlockedTab;
    };
  }
}), _descriptor29 = (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "onSettingUpdated", [mobx_esm/* action */.aD], {
  configurable: true,
  enumerable: true,
  writable: true,
  initializer: function () {
    return (name, value) => {
      if (!this.settings) {
        return;
      }

      this.settings.values[name] = value;
    };
  }
}), (0,applyDecoratedDescriptor/* default */.Z)(_class.prototype, "appearanceTheme", [mobx_esm/* computed */.Fl], Object.getOwnPropertyDescriptor(_class.prototype, "appearanceTheme"), _class.prototype)), _class);
const popupStore = /*#__PURE__*/(0,react.createContext)(new PopupStore());
// EXTERNAL MODULE: ./Extension/src/pages/common/components/ui/Icon.jsx
var Icon = __webpack_require__(7235);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/injectStylesIntoStyleTag.js
var injectStylesIntoStyleTag = __webpack_require__(5491);
var injectStylesIntoStyleTag_default = /*#__PURE__*/__webpack_require__.n(injectStylesIntoStyleTag);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/styleDomAPI.js
var styleDomAPI = __webpack_require__(9532);
var styleDomAPI_default = /*#__PURE__*/__webpack_require__.n(styleDomAPI);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/insertBySelector.js
var insertBySelector = __webpack_require__(8190);
var insertBySelector_default = /*#__PURE__*/__webpack_require__.n(insertBySelector);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/setAttributesWithoutAttributes.js
var setAttributesWithoutAttributes = __webpack_require__(7630);
var setAttributesWithoutAttributes_default = /*#__PURE__*/__webpack_require__.n(setAttributesWithoutAttributes);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/insertStyleElement.js
var insertStyleElement = __webpack_require__(664);
var insertStyleElement_default = /*#__PURE__*/__webpack_require__.n(insertStyleElement);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/styleTagTransform.js
var styleTagTransform = __webpack_require__(2563);
var styleTagTransform_default = /*#__PURE__*/__webpack_require__.n(styleTagTransform);
// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Actions/actions.pcss
var actions = __webpack_require__(2328);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Actions/actions.pcss

      
      
      
      
      
      
      
      
      

var options = {};

options.styleTagTransform = (styleTagTransform_default());
options.setAttributes = (setAttributesWithoutAttributes_default());

      options.insert = insertBySelector_default().bind(null, "head");
    
options.domAPI = (styleDomAPI_default());
options.insertStyleElement = (insertStyleElement_default());

var update = injectStylesIntoStyleTag_default()(actions/* default */.Z, options);




       /* harmony default export */ const Actions_actions = (actions/* default */.Z && actions/* default.locals */.Z.locals ? actions/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Actions/Actions.jsx








const Actions = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);

  const handleBlockAds = () => {
    if (!store.applicationAvailable) {
      return;
    }

    messenger/* messenger.openAssistant */.d.openAssistant();
    window.close();
  };

  const handleOpenFilteringLog = () => {
    messenger/* messenger.openFilteringLog */.d.openFilteringLog();
    window.close();
  };

  const handleAbuseSite = () => {
    if (!store.applicationAvailable) {
      return;
    }

    messenger/* messenger.openAbuseSite */.d.openAbuseSite(store.url);
    window.close();
  };

  const handleCheckSiteSecurity = () => {
    if (!store.applicationAvailable) {
      return;
    }

    messenger/* messenger.checkSiteSecurity */.d.checkSiteSecurity(store.url);
    window.close();
  };

  const resetCustomRulesForPage = async () => {
    if (!store.applicationAvailable) {
      return;
    }

    await messenger/* messenger.resetCustomRulesForPage */.d.resetCustomRulesForPage(store.url);
    window.close();
  };

  const actionChangingClassname = classnames_default()('action', {
    action_disabled: !store.applicationAvailable
  });
  return /*#__PURE__*/react.createElement("div", {
    className: "actions"
  }, /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: actionChangingClassname,
    onClick: handleBlockAds
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#block-ad",
    classname: "icon--action"
  }), /*#__PURE__*/react.createElement("div", {
    className: "action-title"
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_block_site_ads_option'))), /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: "action",
    onClick: handleOpenFilteringLog
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#sandwich",
    classname: "icon--action"
  }), /*#__PURE__*/react.createElement("div", {
    className: "action-title"
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_open_filtering_log'))), /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: actionChangingClassname,
    onClick: handleAbuseSite
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#thumb-down",
    classname: "icon--action"
  }), /*#__PURE__*/react.createElement("div", {
    className: "action-title"
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_abuse_site'))), /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: actionChangingClassname,
    onClick: handleCheckSiteSecurity
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#shield",
    classname: "icon--action"
  }), /*#__PURE__*/react.createElement("div", {
    className: "action-title"
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_security_report'))), store.hasCustomRulesToReset && /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: actionChangingClassname,
    onClick: resetCustomRulesForPage
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#small-cross",
    classname: "icon--action"
  }), /*#__PURE__*/react.createElement("div", {
    className: "action-title",
    title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_reset_custom_rules')
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_reset_custom_rules'))));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Actions/index.js

// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Stats/StatsTable/stats-table.pcss
var stats_table = __webpack_require__(6680);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsTable/stats-table.pcss

      
      
      
      
      
      
      
      
      

var stats_table_options = {};

stats_table_options.styleTagTransform = (styleTagTransform_default());
stats_table_options.setAttributes = (setAttributesWithoutAttributes_default());

      stats_table_options.insert = insertBySelector_default().bind(null, "head");
    
stats_table_options.domAPI = (styleDomAPI_default());
stats_table_options.insertStyleElement = (insertStyleElement_default());

var stats_table_update = injectStylesIntoStyleTag_default()(stats_table/* default */.Z, stats_table_options);




       /* harmony default export */ const StatsTable_stats_table = (stats_table/* default */.Z && stats_table/* default.locals */.Z.locals ? stats_table/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsTable/StatsTable.jsx
/* eslint-disable jsx-a11y/no-noninteractive-tabindex */




const StatsTable = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);
  const {
    statsDataByType
  } = store;

  if (!statsDataByType) {
    return null;
  }

  const statsDataByTypeWithoutTotal = statsDataByType.filter(group => group.groupId !== store.TOTAL_BLOCKED_GROUP_ID);

  if (statsDataByTypeWithoutTotal.length === 0) {
    return null;
  }

  const renderStatsByType = statsDataByTypeWithoutTotal.map(stats => {
    return /*#__PURE__*/react.createElement("li", {
      className: "stats__item",
      key: stats.groupId
    }, /*#__PURE__*/react.createElement("span", {
      className: "stats__name",
      tabIndex: "0"
    }, stats.groupName), /*#__PURE__*/react.createElement("span", {
      className: "stats__value",
      tabIndex: "0"
    }, stats.blocked));
  });
  return /*#__PURE__*/react.createElement("div", {
    className: "stats"
  }, /*#__PURE__*/react.createElement("ul", {
    className: "stats__list"
  }, renderStatsByType));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsTable/index.js

// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Tabs/tabs.pcss
var tabs = __webpack_require__(5255);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Tabs/tabs.pcss

      
      
      
      
      
      
      
      
      

var tabs_options = {};

tabs_options.styleTagTransform = (styleTagTransform_default());
tabs_options.setAttributes = (setAttributesWithoutAttributes_default());

      tabs_options.insert = insertBySelector_default().bind(null, "head");
    
tabs_options.domAPI = (styleDomAPI_default());
tabs_options.insertStyleElement = (insertStyleElement_default());

var tabs_update = injectStylesIntoStyleTag_default()(tabs/* default */.Z, tabs_options);




       /* harmony default export */ const Tabs_tabs = (tabs/* default */.Z && tabs/* default.locals */.Z.locals ? tabs/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Tabs/Tabs.jsx









const Tabs = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);
  const contentMap = {
    [VIEW_STATES.ACTIONS]: Actions,
    [VIEW_STATES.STATS]: StatsTable
  };
  const TabContent = contentMap[store.viewState];

  const handleTabClick = viewState => () => {
    store.setViewState(viewState);
  };

  return /*#__PURE__*/react.createElement("div", {
    className: "tabs"
  }, /*#__PURE__*/react.createElement("div", {
    className: "tabs__panel"
  }, /*#__PURE__*/react.createElement(Tab, {
    title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_tab_actions'),
    active: store.viewState === VIEW_STATES.ACTIONS,
    onClick: handleTabClick(VIEW_STATES.ACTIONS)
  }), /*#__PURE__*/react.createElement(Tab, {
    title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_tab_statistics'),
    active: store.viewState === VIEW_STATES.STATS,
    onClick: handleTabClick(VIEW_STATES.STATS)
  })), /*#__PURE__*/react.createElement("div", {
    className: "tabs__content"
  }, /*#__PURE__*/react.createElement(TabContent, null)));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Tabs/index.js

// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Header/header.pcss
var header = __webpack_require__(9091);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Header/header.pcss

      
      
      
      
      
      
      
      
      

var header_options = {};

header_options.styleTagTransform = (styleTagTransform_default());
header_options.setAttributes = (setAttributesWithoutAttributes_default());

      header_options.insert = insertBySelector_default().bind(null, "head");
    
header_options.domAPI = (styleDomAPI_default());
header_options.insertStyleElement = (insertStyleElement_default());

var header_update = injectStylesIntoStyleTag_default()(header/* default */.Z, header_options);




       /* harmony default export */ const Header_header = (header/* default */.Z && header/* default.locals */.Z.locals ? header/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Header/Header.jsx







const Header = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);
  const {
    applicationFilteringDisabled
  } = store;

  const handleEnableClick = async () => {
    await store.changeApplicationFilteringDisabled(false);
  };

  const handlePauseClick = async () => {
    await store.changeApplicationFilteringDisabled(true);
  };

  const handleSettingsClick = e => {
    e.preventDefault();
    messenger/* messenger.openSettingsTab */.d.openSettingsTab();
    window.close();
  };

  return /*#__PURE__*/react.createElement("div", {
    className: "popup-header"
  }, /*#__PURE__*/react.createElement("div", {
    className: "popup-header__logo"
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#logo",
    classname: "icon--logo"
  })), /*#__PURE__*/react.createElement("div", {
    className: "popup-header__buttons"
  }, !applicationFilteringDisabled && /*#__PURE__*/react.createElement("button", {
    className: "button popup-header__button",
    type: "button",
    onClick: handlePauseClick,
    title: reactTranslator/* reactTranslator.getMessage */._.getMessage('context_disable_protection')
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#pause",
    classname: "icon--pause"
  })), applicationFilteringDisabled && /*#__PURE__*/react.createElement("button", {
    className: "button popup-header__button",
    type: "button",
    onClick: handleEnableClick,
    title: reactTranslator/* reactTranslator.getMessage */._.getMessage('context_enable_protection')
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#start",
    classname: "icon--button icon--start"
  })), /*#__PURE__*/react.createElement("button", {
    className: "button popup-header__button",
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    id: "cross",
    viewBox: "0 0 15.642 15.642"
  }, /*#__PURE__*/react.createElement("path", {
    d: "m8.882 7.821 6.541-6.541c.293-.293.293-.768 0-1.061s-.768-.293-1.061 0l-6.541 6.541-6.541-6.54c-.293-.293-.768-.293-1.061 0s-.293.768 0 1.061l6.541 6.541-6.54 6.54c-.293.293-.293.768 0 1.061.147.146.338.22.53.22s.384-.073.53-.22l6.541-6.541 6.541 6.541c.147.146.338.22.53.22s.384-.073.53-.22c.293-.293.293-.768 0-1.061z",
    fill: "currentColor",
    fillRule: "evenodd"
  })), /*#__PURE__*/react.createElement("symbol", {
    id: "play",
    viewBox: "0 0 24 24"
  }, /*#__PURE__*/react.createElement("path", {
    fillRule: "evenodd",
    clipRule: "evenodd",
    d: "M19 12L7 20L7 4L19 12Z",
    stroke: "#a4a4a4",
    strokeWidth: "3",
    strokeLinecap: "round",
    strokeLinejoin: "round",
    fill: "#fff"
  })), /*#__PURE__*/react.createElement("symbol", {
    id: "circle",
    viewBox: "0 0 24 24"
  }, /*#__PURE__*/react.createElement("path", {
    fillRule: "evenodd",
    clipRule: "evenodd",
    d: "M2.5 12C2.5 6.75329 6.75329 2.5 12 2.5C17.2467 2.5 21.5 6.75329 21.5 12C21.5 17.2467 17.2467 21.5 12 21.5C6.75329 21.5 2.5 17.2467 2.5 12ZM18.5 12C18.5 8.41015 15.5899 5.5 12 5.5C8.41015 5.5 5.5 8.41015 5.5 12C5.5 15.5899 8.41015 18.5 12 18.5C15.5899 18.5 18.5 15.5899 18.5 12Z",
    fill: "#c23814"
  })), /*#__PURE__*/react.createElement("symbol", {
    id: "checkmark",
    viewBox: "0 0 24 24"
  }, /*#__PURE__*/react.createElement("path", {
    fillRule: "evenodd",
    clipRule: "evenodd",
    d: "M20.9842 4.86804C21.6094 5.4116 21.6755 6.35904 21.132 6.98421L10.6987 18.9842C10.4212 19.3034 10.0219 19.4905 9.5991 19.4997C9.1763 19.5088 8.76928 19.339 8.47828 19.0322L2.91156 13.1617C2.34153 12.5606 2.36674 11.6112 2.96787 11.0412C3.569 10.4711 4.51841 10.4963 5.08845 11.0975L9.51856 15.7693L18.868 5.01584C19.4116 4.39066 20.359 4.32449 20.9842 4.86804Z",
    fill: "#67b279"
  })), /*#__PURE__*/react.createElement("symbol", {
    id: "exclamation",
    viewBox: "0 0 4 24"
  }, /*#__PURE__*/react.createElement("path", {
    d: "M3.9697 6.88858V0H0V6.88858L0.848485 15.4217H3.12121L3.9697 6.88858ZM4 22V17.8731H0V22H4Z",
    fill: "#D58500"
  })), /*#__PURE__*/react.createElement("symbol", {
    id: "select",
    viewBox: "0 0 14 8"
  }, /*#__PURE__*/react.createElement("path", {
    d: "m6 10 6 6 6-6",
    fill: "none",
    stroke: "#888",
    strokeLinecap: "round",
    strokeWidth: "1.5",
    transform: "translate(-5 -9)"
  })));
};
// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Main/main.pcss
var main = __webpack_require__(1936);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Main/main.pcss

      
      
      
      
      
      
      
      
      

var main_options = {};

main_options.styleTagTransform = (styleTagTransform_default());
main_options.setAttributes = (setAttributesWithoutAttributes_default());

      main_options.insert = insertBySelector_default().bind(null, "head");
    
main_options.domAPI = (styleDomAPI_default());
main_options.insertStyleElement = (insertStyleElement_default());

var main_update = injectStylesIntoStyleTag_default()(main/* default */.Z, main_options);




       /* harmony default export */ const Main_main = (main/* default */.Z && main/* default.locals */.Z.locals ? main/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Main/Main.jsx







const Main = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);
  const switchersMap = {
    [POPUP_STATES.APPLICATION_ENABLED]: {
      handler: () => {
        store.toggleAllowlisted();
      },
      mode: 'enabled'
    },
    [POPUP_STATES.APPLICATION_FILTERING_DISABLED]: {
      handler: () => {
        store.changeApplicationFilteringDisabled(false);
      },
      mode: 'disabled'
    },
    [POPUP_STATES.APPLICATION_UNAVAILABLE]: {
      mode: 'unavailable'
    },
    [POPUP_STATES.SITE_IN_EXCEPTION]: {
      mode: 'in-exception'
    },
    [POPUP_STATES.SITE_ALLOWLISTED]: {
      handler: () => {
        store.toggleAllowlisted();
      },
      mode: 'allowlisted'
    }
  };
  const switcher = switchersMap[store.popupState];
  return /*#__PURE__*/react.createElement("div", {
    className: `main main--${switcher.mode}`
  }, store.isInitialDataReceived && /*#__PURE__*/react.createElement(react.Fragment, null, /*#__PURE__*/react.createElement("div", {
    className: "main__header"
  }, store.showInfoAboutFullVersion && /*#__PURE__*/react.createElement("div", {
    className: "main__cta-link"
  }, /*#__PURE__*/react.createElement("a", {
    href: "https://adguard.com/forward.html?action=compare&from=popup&app=browser_extension",
    target: "_blank",
    rel: "noreferrer"
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_header_cta_link'))), /*#__PURE__*/react.createElement("div", {
    className: "main__stats"
  }, /*#__PURE__*/react.createElement("div", {
    className: "main__total-blocked-tab"
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_tab_blocked_count', {
    num: store.totalBlockedTab.toLocaleString()
  })), /*#__PURE__*/react.createElement("div", {
    className: "main__total-blocked-all"
  }, reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_tab_blocked_all_count', {
    num: store.totalBlocked.toLocaleString()
  })))), /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: "switcher",
    onClick: switcher.handler,
    title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_switch_button')
  }, /*#__PURE__*/react.createElement("div", {
    className: `switcher__center switcher__center--${switcher.mode}`
  }), /*#__PURE__*/react.createElement("div", {
    className: "switcher__btn"
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#checkmark",
    classname: "icon--checkmark switcher__icon switcher__icon--checkmark",
    width: "66",
    height: "66"
  }), /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#circle",
    classname: "icon--circle switcher__icon switcher__icon--circle"
  }), /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#play",
    classname: "icon--play switcher__icon switcher__icon--play"
  }), /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#exclamation",
    classname: "icon--exclamation switcher__icon switcher__icon--exclamation"
  }))), /*#__PURE__*/react.createElement("div", {
    className: "switcher__info"
  }, /*#__PURE__*/react.createElement("div", {
    className: "current-site"
  }, store.currentSite), /*#__PURE__*/react.createElement("div", {
    className: "current-status"
  }, store.currentStatusMessage))));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Main/index.js

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsChart/Filters.jsx






const Filters = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);
  const {
    stats
  } = store;

  if (!stats) {
    return null;
  }

  const statsData = store.statsDataByType;
  const existingGroups = stats.blockedGroups.filter(group => {
    return statsData.find(data => data.groupId === group.groupId);
  });

  const handleBlockedTypeChange = e => {
    store.setSelectedBlockedType(e.target.value);
  };

  const handleTimeRangeChange = e => {
    store.setSelectedTimeRange(e.target.value);
  };

  const timeRangeOptions = {
    [TIME_RANGES.DAY]: {
      id: TIME_RANGES.DAY,
      title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_time_day')
    },
    [TIME_RANGES.WEEK]: {
      id: TIME_RANGES.WEEK,
      title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_time_week')
    },
    [TIME_RANGES.MONTH]: {
      id: TIME_RANGES.MONTH,
      title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_time_month')
    },
    [TIME_RANGES.YEAR]: {
      id: TIME_RANGES.YEAR,
      title: reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_time_year')
    }
  };
  return /*#__PURE__*/react.createElement("div", {
    className: "stats-chart__filters"
  }, /*#__PURE__*/react.createElement("div", {
    className: "stats-chart__select stats-chart__select--left"
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#select",
    classname: "icon--select stats-chart__icon"
  }), /*#__PURE__*/react.createElement("select", {
    className: "stats-chart__select-in",
    name: "blocked-type",
    id: "blocked-type",
    onChange: handleBlockedTypeChange,
    value: store.selectedBlockedType
  }, existingGroups.map(group => {
    return /*#__PURE__*/react.createElement("option", {
      key: group.groupId,
      value: group.groupId
    }, group.groupName);
  }))), /*#__PURE__*/react.createElement("div", {
    className: "stats-chart__select stats-chart__select--left"
  }, /*#__PURE__*/react.createElement(Icon/* Icon */.J, {
    id: "#select",
    classname: "icon--select stats-chart__icon"
  }), /*#__PURE__*/react.createElement("select", {
    className: "stats-chart__select-in",
    name: "time-range",
    id: "time-range",
    onChange: handleTimeRangeChange,
    value: store.selectedTimeRange
  }, Object.values(timeRangeOptions).map(timeRange => {
    return /*#__PURE__*/react.createElement("option", {
      key: timeRange.id,
      value: timeRange.id
    }, timeRange.title);
  }))));
});
// EXTERNAL MODULE: ./node_modules/c3/c3.js
var c3 = __webpack_require__(6554);
var c3_default = /*#__PURE__*/__webpack_require__.n(c3);
// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./node_modules/c3/c3.css
var c3_c3 = __webpack_require__(5460);
;// CONCATENATED MODULE: ./node_modules/c3/c3.css

      
      
      
      
      
      
      
      
      

var c3_options = {};

c3_options.styleTagTransform = (styleTagTransform_default());
c3_options.setAttributes = (setAttributesWithoutAttributes_default());

      c3_options.insert = insertBySelector_default().bind(null, "head");
    
c3_options.domAPI = (styleDomAPI_default());
c3_options.insertStyleElement = (insertStyleElement_default());

var c3_update = injectStylesIntoStyleTag_default()(c3_c3/* default */.Z, c3_options);




       /* harmony default export */ const node_modules_c3_c3 = (c3_c3/* default */.Z && c3_c3/* default.locals */.Z.locals ? c3_c3/* default.locals */.Z.locals : undefined);

// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Stats/StatsChart/chart.pcss
var chart = __webpack_require__(8572);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsChart/chart.pcss

      
      
      
      
      
      
      
      
      

var chart_options = {};

chart_options.styleTagTransform = (styleTagTransform_default());
chart_options.setAttributes = (setAttributesWithoutAttributes_default());

      chart_options.insert = insertBySelector_default().bind(null, "head");
    
chart_options.domAPI = (styleDomAPI_default());
chart_options.insertStyleElement = (insertStyleElement_default());

var chart_update = injectStylesIntoStyleTag_default()(chart/* default */.Z, chart_options);




       /* harmony default export */ const StatsChart_chart = (chart/* default */.Z && chart/* default.locals */.Z.locals ? chart/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsChart/Chart.jsx






const DAYS_OF_WEEK = [reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_week_days_mon'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_week_days_tue'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_week_days_wed'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_week_days_thu'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_week_days_fri'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_week_days_sat'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_week_days_sun')];

const dayOfWeekAsString = dayIndex => {
  return DAYS_OF_WEEK[dayIndex];
};

const MONTHS_OF_YEAR = [reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_jan'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_feb'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_mar'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_apr'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_may'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_jun'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_jul'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_aug'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_sep'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_oct'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_nov'), reactTranslator/* reactTranslator.getMessage */._.getMessage('popup_statistics_months_dec')];

const monthsAsString = monthIndex => {
  return MONTHS_OF_YEAR[monthIndex];
};

const selectRequestsStatsData = (stats, range, type) => {
  const result = [];

  switch (range) {
    case TIME_RANGES.DAY:
      stats.today.forEach(d => {
        result.push(d[type]);
      });
      break;

    case TIME_RANGES.WEEK:
      stats.lastWeek.forEach(d => {
        result.push(d[type]);
      });
      break;

    case TIME_RANGES.MONTH:
      stats.lastMonth.forEach(d => {
        result.push(d[type]);
      });
      break;

    case TIME_RANGES.YEAR:
      stats.lastYear.forEach(d => {
        result.push(d[type]);
      });
      break;

    default:
      break;
  }

  return result.map(val => val === undefined ? 0 : val);
};

const getCategoriesLines = (statsData, range) => {
  const now = new Date();
  const day = now.getDay();
  const month = now.getMonth();
  const lastDayOfPrevMonth = new Date(now.getFullYear(), now.getMonth(), 0).getDate();
  let categories = [];
  const lines = [];
  const HOURS_PER_DAY = 24;
  const DAYS_PER_WEEK = 7;
  const DAYS_PER_MONTH = 30;
  const MONTHS_PER_YEAR = 12;

  switch (range) {
    case TIME_RANGES.DAY:
      for (let i = 1; i <= HOURS_PER_DAY; i += 1) {
        if (i % 3 === 0) {
          const hour = (i + now.getHours()) % HOURS_PER_DAY;
          categories.push(hour.toString());
          lines.push({
            value: i - 1
          });
        } else {
          categories.push('');
        }
      }

      break;

    case TIME_RANGES.WEEK:
      for (let i = 0; i < DAYS_PER_WEEK; i += 1) {
        categories.push(dayOfWeekAsString((day + i) % DAYS_PER_WEEK));
        lines.push({
          value: i
        });
      }

      break;

    case TIME_RANGES.MONTH:
      for (let i = 0; i <= DAYS_PER_MONTH; i += 1) {
        if (i % 3 === 0) {
          const c = (i + now.getDate()) % lastDayOfPrevMonth + 1;
          categories.push(c.toString());
          lines.push({
            value: i
          });
        } else {
          categories.push('');
        }
      }

      break;

    case TIME_RANGES.YEAR:
      for (let i = 0; i <= MONTHS_PER_YEAR; i += 1) {
        categories.push(monthsAsString((month + i) % MONTHS_PER_YEAR));
        categories = categories.slice(-statsData.length);
        lines.push({
          value: i
        });
      }

      break;

    default:
      throw new Error(`Wrong range type: ${range}`);
  }

  return {
    categories,
    lines
  };
};

const Chart = ({
  stats,
  range,
  type
}) => {
  (0,react.useEffect)(() => {
    const statsData = selectRequestsStatsData(stats, range, type);
    const categoriesLines = getCategoriesLines(statsData, range);
    const {
      categories
    } = categoriesLines;
    const {
      lines
    } = categoriesLines;
    const grad1 = '<linearGradient id="grad1" x1="50%" y1="0%" x2="50%" y2="100%">' + '  <stop offset="0%" style="stop-color:#73BE66;stop-opacity:1" />' + '  <stop offset="23%" style="stop-color:#6DBE85;stop-opacity:1" />' + '  <stop offset="100%" style="stop-color:#65BDA8;stop-opacity:1" />' + '</linearGradient>';
    c3_default().generate({
      bindTo: '#chart',
      size: {
        height: 230
      },
      data: {
        columns: [['data1'].concat(statsData)],
        types: {
          data1: 'area-spline'
        },
        colors: {
          data1: 'url(#grad1)'
        }
      },
      padding: {
        left: 15,
        right: 15
      },
      axis: {
        x: {
          show: true,
          type: 'category',
          categories,
          tick: {
            outer: false,
            multiline: false
          }
        },
        y: {
          show: false
        }
      },
      legend: {
        show: false
      },
      grid: {
        lines: {
          front: false
        },
        x: {
          lines
        },
        focus: {
          show: true
        }
      },
      spline: {
        interpolation: {
          type: 'basis'
        }
      },
      point: {
        show: false
      },
      tooltip: {
        position(data, width, height, element) {
          const chart = document.querySelector('#chart');
          const elementRect = element.getBoundingClientRect();
          const elementCenterPosition = elementRect.left + elementRect.width / 2;
          const tooltipHalfWidth = chart.querySelector('.chart__tooltip').clientWidth / 2;
          const tooltipLeft = elementCenterPosition - tooltipHalfWidth; // eslint-disable-next-line no-undef

          const top = d3.mouse(element)[1] - 50;
          return {
            top,
            left: tooltipLeft
          };
        },

        contents(d) {
          const [{
            value
          }] = d;
          return `<div id="tooltip" class="chart__tooltip">${value}</div>`;
        }

      },

      oninit() {
        // eslint-disable-next-line react/no-this-in-sfc
        this.svg[0][0].getElementsByTagName('defs')[0].innerHTML += grad1;
      }

    });
  }, [range, type, stats]);
  return /*#__PURE__*/react.createElement("div", {
    className: "chart",
    id: "chart"
  });
};
// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Stats/StatsChart/stats-chart.pcss
var stats_chart = __webpack_require__(5191);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsChart/stats-chart.pcss

      
      
      
      
      
      
      
      
      

var stats_chart_options = {};

stats_chart_options.styleTagTransform = (styleTagTransform_default());
stats_chart_options.setAttributes = (setAttributesWithoutAttributes_default());

      stats_chart_options.insert = insertBySelector_default().bind(null, "head");
    
stats_chart_options.domAPI = (styleDomAPI_default());
stats_chart_options.insertStyleElement = (insertStyleElement_default());

var stats_chart_update = injectStylesIntoStyleTag_default()(stats_chart/* default */.Z, stats_chart_options);




       /* harmony default export */ const StatsChart_stats_chart = (stats_chart/* default */.Z && stats_chart/* default.locals */.Z.locals ? stats_chart/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsChart/StatsChart.jsx






const StatsChart = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);
  const {
    stats
  } = store;

  if (!stats) {
    return null;
  }

  return /*#__PURE__*/react.createElement("div", {
    className: "stats-chart"
  }, /*#__PURE__*/react.createElement(Filters, null), /*#__PURE__*/react.createElement(Chart, {
    stats: stats,
    range: store.selectedTimeRange,
    type: store.selectedBlockedType
  }));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Stats/StatsChart/index.js

// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/MainContainer/main-container.pcss
var main_container = __webpack_require__(291);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/MainContainer/main-container.pcss

      
      
      
      
      
      
      
      
      

var main_container_options = {};

main_container_options.styleTagTransform = (styleTagTransform_default());
main_container_options.setAttributes = (setAttributesWithoutAttributes_default());

      main_container_options.insert = insertBySelector_default().bind(null, "head");
    
main_container_options.domAPI = (styleDomAPI_default());
main_container_options.insertStyleElement = (insertStyleElement_default());

var main_container_update = injectStylesIntoStyleTag_default()(main_container/* default */.Z, main_container_options);




       /* harmony default export */ const MainContainer_main_container = (main_container/* default */.Z && main_container/* default.locals */.Z.locals ? main_container/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/MainContainer/MainContainer.jsx







const MainContainer = (0,mobxreact_esm/* observer */.Pi)(() => {
  const store = (0,react.useContext)(popupStore);
  const contentMap = {
    [VIEW_STATES.ACTIONS]: Main,
    [VIEW_STATES.STATS]: StatsChart
  };
  const Content = contentMap[store.viewState];
  return /*#__PURE__*/react.createElement("div", {
    className: "main-container"
  }, /*#__PURE__*/react.createElement(Content, null));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/MainContainer/index.js

// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/PromoNotification/promo-notification.pcss
var promo_notification = __webpack_require__(384);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/PromoNotification/promo-notification.pcss

      
      
      
      
      
      
      
      
      

var promo_notification_options = {};

promo_notification_options.styleTagTransform = (styleTagTransform_default());
promo_notification_options.setAttributes = (setAttributesWithoutAttributes_default());

      promo_notification_options.insert = insertBySelector_default().bind(null, "head");
    
promo_notification_options.domAPI = (styleDomAPI_default());
promo_notification_options.insertStyleElement = (insertStyleElement_default());

var promo_notification_update = injectStylesIntoStyleTag_default()(promo_notification/* default */.Z, promo_notification_options);




       /* harmony default export */ const PromoNotification_promo_notification = (promo_notification/* default */.Z && promo_notification/* default.locals */.Z.locals ? promo_notification/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/PromoNotification/PromoNotification.jsx







const PromoNotification = (0,mobxreact_esm/* observer */.Pi)(() => {
  const {
    promoNotification,
    closePromoNotification,
    openPromoNotificationUrl
  } = (0,react.useContext)(popupStore);
  const [notificationOnClose, setNotificationOnClose] = (0,react.useState)(false); // schedule notification removal

  (0,react.useEffect)(() => {
    if (promoNotification) {
      messenger/* messenger.sendMessage */.d.sendMessage(constants/* MESSAGE_TYPES.SET_NOTIFICATION_VIEWED */.oK.SET_NOTIFICATION_VIEWED, {
        withDelay: true
      });
    }
  }, [promoNotification]);

  if (!promoNotification) {
    return null;
  }

  const closeTimeoutMs = 300;

  const handleNotificationClose = e => {
    setNotificationOnClose(true);
    setTimeout(() => {
      e.preventDefault();
      closePromoNotification();
    }, closeTimeoutMs);
  };

  const handleNotificationClick = e => {
    e.preventDefault();
    openPromoNotificationUrl();
  };

  const {
    text
  } = promoNotification;
  const notificationClassnames = classnames_default()('promo-notification', {
    'promo-notification--close': notificationOnClose
  });
  return /*#__PURE__*/react.createElement("div", {
    className: notificationClassnames
  }, /*#__PURE__*/react.createElement("div", {
    className: "promo-notification__content"
  }, /*#__PURE__*/react.createElement("div", {
    className: "promo-notification__inner"
  }, /*#__PURE__*/react.createElement("button", {
    "aria-label": "close",
    type: "button",
    className: "promo-notification__close",
    onClick: handleNotificationClose
  }), text.title && /*#__PURE__*/react.createElement("div", {
    className: "promo-notification__title"
  }, /*#__PURE__*/react.createElement("div", {
    className: "promo-notification__title-in"
  }, text.title), text.desc && /*#__PURE__*/react.createElement("div", {
    className: "promo-notification__title-in"
  }, text.desc)), text.btn && /*#__PURE__*/react.createElement("div", {
    className: "holiday-notify__bottom"
  }, /*#__PURE__*/react.createElement("button", {
    type: "button",
    className: "promo-notification__btn",
    onClick: handleNotificationClick
  }, text.btn)))));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/PromoNotification/index.js

// EXTERNAL MODULE: ./Extension/src/pages/common/hooks/useAppearanceTheme.js
var useAppearanceTheme = __webpack_require__(2730);
// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/styles/main.pcss
var styles_main = __webpack_require__(5201);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/styles/main.pcss

      
      
      
      
      
      
      
      
      

var styles_main_options = {};

styles_main_options.styleTagTransform = (styleTagTransform_default());
styles_main_options.setAttributes = (setAttributesWithoutAttributes_default());

      styles_main_options.insert = insertBySelector_default().bind(null, "head");
    
styles_main_options.domAPI = (styleDomAPI_default());
styles_main_options.insertStyleElement = (insertStyleElement_default());

var styles_main_update = injectStylesIntoStyleTag_default()(styles_main/* default */.Z, styles_main_options);




       /* harmony default export */ const popup_styles_main = (styles_main/* default */.Z && styles_main/* default.locals */.Z.locals ? styles_main/* default.locals */.Z.locals : undefined);

// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/popup/components/Popup/popup.pcss
var popup = __webpack_require__(2845);
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Popup/popup.pcss

      
      
      
      
      
      
      
      
      

var popup_options = {};

popup_options.styleTagTransform = (styleTagTransform_default());
popup_options.setAttributes = (setAttributesWithoutAttributes_default());

      popup_options.insert = insertBySelector_default().bind(null, "head");
    
popup_options.domAPI = (styleDomAPI_default());
popup_options.insertStyleElement = (insertStyleElement_default());

var popup_update = injectStylesIntoStyleTag_default()(popup/* default */.Z, popup_options);




       /* harmony default export */ const Popup_popup = (popup/* default */.Z && popup/* default.locals */.Z.locals ? popup/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Popup/Popup.jsx













const Popup = (0,mobxreact_esm/* observer */.Pi)(() => {
  const {
    appearanceTheme,
    getPopupData,
    updateBlockedStats
  } = (0,react.useContext)(popupStore);
  (0,useAppearanceTheme/* useAppearanceTheme */.D)(appearanceTheme); // retrieve init data

  (0,react.useEffect)(() => {
    (async () => {
      await getPopupData();
    })();
  }, [getPopupData]); // subscribe to stats change

  (0,react.useEffect)(() => {
    const messageHandler = message => {
      switch (message.type) {
        case 'updateTotalBlocked':
          {
            const {
              tabInfo
            } = message;
            updateBlockedStats(tabInfo);
            break;
          }

        default:
          break;
      }
    };

    messenger/* messenger.onMessage.addListener */.d.onMessage.addListener(messageHandler);
    return () => {
      messenger/* messenger.onMessage.removeListener */.d.onMessage.removeListener(messageHandler);
    };
  }, [updateBlockedStats]);
  return /*#__PURE__*/react.createElement("div", {
    className: "popup"
  }, /*#__PURE__*/react.createElement(Icons, null), /*#__PURE__*/react.createElement(Header, null), /*#__PURE__*/react.createElement(MainContainer, null), /*#__PURE__*/react.createElement(Tabs, null), /*#__PURE__*/react.createElement(Footer, null), /*#__PURE__*/react.createElement(PromoNotification, null));
});
;// CONCATENATED MODULE: ./Extension/src/pages/popup/components/Popup/index.js

;// CONCATENATED MODULE: ./Extension/src/pages/popup/index.jsx




const popupPage = {
  init: () => {
    document.documentElement.lang = i18n/* i18n.getUILanguage */.a.getUILanguage();
    react_dom.render( /*#__PURE__*/react.createElement(Popup, null), document.getElementById('root'));
  }
};
;// CONCATENATED MODULE: ./Extension/pages/popup/index.js

popupPage.init();

/***/ }),

/***/ 4568:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "CI": () => (/* binding */ ANTIBANNER_GROUPS_ID),
/* harmony export */   "Jn": () => (/* binding */ STEALTH_ACTIONS),
/* harmony export */   "Oi": () => (/* binding */ FULLSCREEN_USER_RULES_EDITOR),
/* harmony export */   "Qp": () => (/* binding */ NOTIFIER_TYPES),
/* harmony export */   "TJ": () => (/* binding */ NAVIGATION_TAGS),
/* harmony export */   "XR": () => (/* binding */ TRUSTED_TAG),
/* harmony export */   "XS": () => (/* binding */ WASTE_CHARACTERS),
/* harmony export */   "du": () => (/* binding */ FILTERING_LOG),
/* harmony export */   "gu": () => (/* binding */ ANTIBANNER_FILTERS_ID),
/* harmony export */   "nn": () => (/* binding */ SCROLLBAR_WIDTH),
/* harmony export */   "oK": () => (/* binding */ MESSAGE_TYPES)
/* harmony export */ });
/* unused harmony exports CUSTOM_FILTERS_GROUP_DISPLAY_NUMBER, CUSTOM_FILTERS_START_ID */
/**
 * Filter ids used in the code on the background page and filtering log page
 */
const ANTIBANNER_FILTERS_ID = {
  STEALTH_MODE_FILTER_ID: -1,
  USER_FILTER_ID: 0,
  RUSSIAN_FILTER_ID: 1,
  ENGLISH_FILTER_ID: 2,
  TRACKING_FILTER_ID: 3,
  SOCIAL_FILTER_ID: 4,
  SEARCH_AND_SELF_PROMO_FILTER_ID: 10,
  URL_TRACKING_FILTER_ID: 17,
  ALLOWLIST_FILTER_ID: 100,
  EASY_PRIVACY: 118,
  FANBOY_ANNOYANCES: 122,
  FANBOY_SOCIAL: 123,
  FANBOY_ENHANCED: 215,
  MOBILE_ADS_FILTER_ID: 11
};
/**
 * Group ids used in the code on the multiple entry points
 */

const ANTIBANNER_GROUPS_ID = {
  // custom filters group identifier
  CUSTOM_FILTERS_GROUP_ID: 0,
  PRIVACY_FILTERS_GROUP_ID: 2,
  // other filters group identifier
  OTHER_FILTERS_GROUP_ID: 6,
  // language-specific group identifier
  LANGUAGE_FILTERS_GROUP_ID: 7
};
/**
 * Stealth action bitwise masks used o the background page and on the filtering log page
 */

const STEALTH_ACTIONS = {
  HIDE_REFERRER: 1 << 0,
  HIDE_SEARCH_QUERIES: 1 << 1,
  BLOCK_CHROME_CLIENT_DATA: 1 << 2,
  SEND_DO_NOT_TRACK: 1 << 3,
  STRIPPED_TRACKING_URL: 1 << 4,
  FIRST_PARTY_COOKIES: 1 << 5,
  THIRD_PARTY_COOKIES: 1 << 6
};
/**
 * Message types used for message passing between background page and
 * other pages (popup, filtering log, content scripts)
 */

const MESSAGE_TYPES = {
  CREATE_EVENT_LISTENER: 'createEventListener',
  REMOVE_LISTENER: 'removeListener',
  OPEN_EXTENSION_STORE: 'openExtensionStore',
  ADD_AND_ENABLE_FILTER: 'addAndEnableFilter',
  APPLY_SETTINGS_JSON: 'applySettingsJson',
  OPEN_FILTERING_LOG: 'openFilteringLog',
  SET_FILTERING_LOG_WINDOW_STATE: 'setFilteringLogWindowState',
  OPEN_FULLSCREEN_USER_RULES: 'openFullscreenUserRules',
  RESET_BLOCKED_ADS_COUNT: 'resetBlockedAdsCount',
  RESET_SETTINGS: 'resetSettings',
  GET_USER_RULES: 'getUserRules',
  SAVE_USER_RULES: 'saveUserRules',
  GET_ALLOWLIST_DOMAINS: 'getAllowlistDomains',
  SAVE_ALLOWLIST_DOMAINS: 'saveAllowlistDomains',
  CHECK_ANTIBANNER_FILTERS_UPDATE: 'checkAntiBannerFiltersUpdate',
  DISABLE_FILTERS_GROUP: 'disableFiltersGroup',
  DISABLE_ANTIBANNER_FILTER: 'disableAntiBannerFilter',
  LOAD_CUSTOM_FILTER_INFO: 'loadCustomFilterInfo',
  SUBSCRIBE_TO_CUSTOM_FILTER: 'subscribeToCustomFilter',
  REMOVE_ANTIBANNER_FILTER: 'removeAntiBannerFilter',
  GET_TAB_INFO_FOR_POPUP: 'getTabInfoForPopup',
  CHANGE_APPLICATION_FILTERING_DISABLED: 'changeApplicationFilteringDisabled',
  OPEN_SETTINGS_TAB: 'openSettingsTab',
  OPEN_ASSISTANT: 'openAssistant',
  OPEN_ABUSE_TAB: 'openAbuseTab',
  OPEN_SITE_REPORT_TAB: 'openSiteReportTab',
  RESET_CUSTOM_RULES_FOR_PAGE: 'resetCustomRulesForPage',
  REMOVE_ALLOWLIST_DOMAIN: 'removeAllowlistDomainPopup',
  ADD_ALLOWLIST_DOMAIN_POPUP: 'addAllowlistDomainPopup',
  GET_STATISTICS_DATA: 'getStatisticsData',
  ON_OPEN_FILTERING_LOG_PAGE: 'onOpenFilteringLogPage',
  GET_FILTERING_LOG_DATA: 'getFilteringLogData',
  INITIALIZE_FRAME_SCRIPT: 'initializeFrameScript',
  ON_CLOSE_FILTERING_LOG_PAGE: 'onCloseFilteringLogPage',
  GET_FILTERING_INFO_BY_TAB_ID: 'getFilteringInfoByTabId',
  SYNCHRONIZE_OPEN_TABS: 'synchronizeOpenTabs',
  CLEAR_EVENTS_BY_TAB_ID: 'clearEventsByTabId',
  REFRESH_PAGE: 'refreshPage',
  OPEN_TAB: 'openTab',
  CONTENT_SCRIPT_ADD_USER_RULE: 'contentScriptAddUserRule',
  FILTERING_LOG_ADD_USER_RULE: 'filteringLogAddUserRule',
  DEVTOOLS_ADD_USER_RULE: 'devtoolsAddUserRule',
  UN_ALLOWLIST_FRAME: 'unAllowlistFrame',
  REMOVE_USER_RULE: 'removeUserRule',
  GET_TAB_FRAME_INFO_BY_ID: 'getTabFrameInfoById',
  ENABLE_FILTERS_GROUP: 'enableFiltersGroup',
  NOTIFY_LISTENERS: 'notifyListeners',
  ADD_LONG_LIVED_CONNECTION: 'addLongLivedConnection',
  GET_OPTIONS_DATA: 'getOptionsData',
  CHANGE_USER_SETTING: 'changeUserSetting',
  CHECK_REQUEST_FILTER_READY: 'checkRequestFilterReady',
  OPEN_THANKYOU_PAGE: 'openThankYouPage',
  OPEN_SAFEBROWSING_TRUSTED: 'openSafebrowsingTrusted',
  GET_SELECTORS_AND_SCRIPTS: 'getSelectorsAndScripts',
  CHECK_PAGE_SCRIPT_WRAPPER_REQUEST: 'checkPageScriptWrapperRequest',
  PROCESS_SHOULD_COLLAPSE: 'processShouldCollapse',
  PROCESS_SHOULD_COLLAPSE_MANY: 'processShouldCollapseMany',
  ADD_FILTERING_SUBSCRIPTION: 'addFilterSubscription',
  SET_NOTIFICATION_VIEWED: 'setNotificationViewed',
  SAVE_CSS_HITS_STATS: 'saveCssHitStats',
  GET_COOKIE_RULES: 'getCookieRules',
  SAVE_COOKIE_LOG_EVENT: 'saveCookieRuleEvent',
  LOAD_SETTINGS_JSON: 'loadSettingsJson',
  ADD_URL_TO_TRUSTED: 'addUrlToTrusted',
  SET_PRESERVE_LOG_STATE: 'setPreserveLogState',
  GET_USER_RULES_EDITOR_DATA: 'getUserRulesEditorData',
  GET_EDITOR_STORAGE_CONTENT: 'getEditorStorageContent',
  SET_EDITOR_STORAGE_CONTENT: 'setEditorStorageContent',
  CONVERT_RULES_TEXT: 'convertRulesText'
};
const NOTIFIER_TYPES = {
  ADD_RULES: 'event.add.rules',
  REMOVE_RULE: 'event.remove.rule',
  UPDATE_FILTER_RULES: 'event.update.filter.rules',
  FILTER_GROUP_ENABLE_DISABLE: 'filter.group.enable.disable',
  // enabled or disabled filter group
  FILTER_ENABLE_DISABLE: 'event.filter.enable.disable',
  // Enabled or disabled
  FILTER_ADD_REMOVE: 'event.filter.add.remove',
  // Added or removed
  ADS_BLOCKED: 'event.ads.blocked',
  START_DOWNLOAD_FILTER: 'event.start.download.filter',
  SUCCESS_DOWNLOAD_FILTER: 'event.success.download.filter',
  ERROR_DOWNLOAD_FILTER: 'event.error.download.filter',
  ENABLE_FILTER_SHOW_POPUP: 'event.enable.filter.show.popup',
  LOG_EVENT: 'event.log.track',
  UPDATE_TAB_BUTTON_STATE: 'event.update.tab.button.state',
  REQUEST_FILTER_UPDATED: 'event.request.filter.updated',
  APPLICATION_INITIALIZED: 'event.application.initialized',
  APPLICATION_UPDATED: 'event.application.updated',
  CHANGE_PREFS: 'event.change.prefs',
  UPDATE_FILTERS_SHOW_POPUP: 'event.update.filters.show.popup',
  USER_FILTER_UPDATED: 'event.user.filter.updated',
  UPDATE_ALLOWLIST_FILTER_RULES: 'event.update.allowlist.filter.rules',
  SETTING_UPDATED: 'event.update.setting.value',
  FILTERS_UPDATE_CHECK_READY: 'event.update.filters.check',
  // Log events
  TAB_ADDED: 'log.tab.added',
  TAB_CLOSE: 'log.tab.close',
  TAB_UPDATE: 'log.tab.update',
  TAB_RESET: 'log.tab.reset',
  LOG_EVENT_ADDED: 'log.event.added',
  // Sync events
  SETTINGS_UPDATED: 'event.sync.finished',
  // Fullscreen user rules events
  FULLSCREEN_USER_RULES_EDITOR_UPDATED: 'event.user.rules.editor.updated'
};
const FULLSCREEN_USER_RULES_EDITOR = 'fullscreen_user_rules_editor';
const FILTERING_LOG = 'filtering-log';
const NAVIGATION_TAGS = {
  REGULAR: 'regular',
  PARTY: 'party'
};
/**
 * Trusted tag for custom filters
 */

const TRUSTED_TAG = 'trusted';
/**
 * Custom filters group display number
 *
 * @type {number}
 */

const CUSTOM_FILTERS_GROUP_DISPLAY_NUMBER = 99;
/**
 * Custom filters identifiers starts from this number
 *
 * @type {number}
 */

const CUSTOM_FILTERS_START_ID = 1000; // Unnecessary characters that will be replaced

const WASTE_CHARACTERS = /[.*+?^${}()|[\]\\]/g; // Custom scrollbar width

const SCROLLBAR_WIDTH = 12;

/***/ }),

/***/ 9224:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "c": () => (/* binding */ log)
/* harmony export */ });
/**
 * This file is part of Adguard Browser Extension (https://github.com/AdguardTeam/AdguardBrowserExtension).
 *
 * Adguard Browser Extension is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Adguard Browser Extension is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Adguard Browser Extension. If not, see <http://www.gnu.org/licenses/>.
 */

/* eslint-disable no-console */

/**
 * Simple logger with log levels
 */
const log = (() => {
  // Redefine if you need it
  const CURRENT_LEVEL = 'INFO';
  const LEVELS = {
    ERROR: 1,
    WARN: 2,
    INFO: 3,
    DEBUG: 4
  };
  /**
   * Pretty-print javascript error
   */

  const errorToString = function (error) {
    return `${error.toString()}\nStack trace:\n${error.stack}`;
  };

  const getLocalTimeString = date => {
    const ONE_MINUTE_MS = 60 * 1000;
    const timeZoneOffsetMs = date.getTimezoneOffset() * ONE_MINUTE_MS;
    const localTime = new Date(date - timeZoneOffsetMs);
    return localTime.toISOString().replace('Z', '');
  };
  /**
   * Prints log message
   */


  const print = function (level, method, args) {
    // check log level
    if (LEVELS[CURRENT_LEVEL] < LEVELS[level]) {
      return;
    }

    if (!args || args.length === 0 || !args[0]) {
      return;
    }

    const str = `${args[0]}`;
    args = Array.prototype.slice.call(args, 1);
    let formatted = str.replace(/{(\d+)}/g, (match, number) => {
      if (typeof args[number] !== 'undefined') {
        let value = args[number];

        if (value instanceof Error) {
          value = errorToString(value);
        } else if (value && value.message) {
          value = value.message;
        } else if (typeof value === 'object') {
          value = JSON.stringify(value);
        }

        return value;
      }

      return match;
    });
    formatted = `${getLocalTimeString(new Date())}: ${formatted}`;
    console[method](formatted);
  };
  /**
   * Expose public API
   */


  return {
    debug(...args) {
      print('DEBUG', 'log', args);
    },

    info(...args) {
      print('INFO', 'info', args);
    },

    warn(...args) {
      print('WARN', 'info', args);
    },

    error(...args) {
      print('ERROR', 'error', args);
    }

  };
})();

/***/ }),

/***/ 7122:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "a": () => (/* binding */ i18n)
/* harmony export */ });
/* harmony import */ var webextension_polyfill__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(3679);
/* harmony import */ var webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(webextension_polyfill__WEBPACK_IMPORTED_MODULE_0__);

const i18n = {
  getMessage: (webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().i18n.getMessage),
  getUILanguage: (webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().i18n.getUILanguage),
  getBaseMessage: key => key,
  getBaseUILanguage: () => 'en'
};

/***/ }),

/***/ 8647:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "_": () => (/* binding */ reactTranslator)
/* harmony export */ });
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(846);
/* harmony import */ var _adguard_translate__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(8396);
/* harmony import */ var _i18n__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(7122);



/**
 * Retrieves localised messages by key, formats and converts into react components or string
 */

const reactTranslator = _adguard_translate__WEBPACK_IMPORTED_MODULE_1__/* .translate.createReactTranslator */ .Iu.createReactTranslator(_i18n__WEBPACK_IMPORTED_MODULE_2__/* .i18n */ .a, react__WEBPACK_IMPORTED_MODULE_0__);

/***/ }),

/***/ 7235:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "J": () => (/* binding */ Icon)
/* harmony export */ });
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(846);
/* harmony import */ var classnames__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(8356);
/* harmony import */ var classnames__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(classnames__WEBPACK_IMPORTED_MODULE_1__);


const Icon = ({
  id,
  classname,
  title
}) => {
  const iconClassname = classnames__WEBPACK_IMPORTED_MODULE_1___default()('icon', classname);
  return /*#__PURE__*/react__WEBPACK_IMPORTED_MODULE_0__.createElement("svg", {
    className: iconClassname
  }, title && /*#__PURE__*/react__WEBPACK_IMPORTED_MODULE_0__.createElement("title", null, title), /*#__PURE__*/react__WEBPACK_IMPORTED_MODULE_0__.createElement("use", {
    xlinkHref: id
  }));
};

/***/ }),

/***/ 2730:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "D": () => (/* binding */ useAppearanceTheme)
/* harmony export */ });
/* harmony import */ var lodash_throttle__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(9789);
/* harmony import */ var lodash_throttle__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(lodash_throttle__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(846);
/* harmony import */ var _constants__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(2155);



const useAppearanceTheme = appearanceTheme => {
  (0,react__WEBPACK_IMPORTED_MODULE_1__.useLayoutEffect)(() => {
    const STORAGE_KEY = 'appearance_theme';
    const DARK_THEME_CLASS = 'dark-mode';
    const LIGHT_THEME_CLASS = 'light-mode';
    const SET_TO_STORAGE_TIMEOUT = 500;
    const throttledSetToStorage = lodash_throttle__WEBPACK_IMPORTED_MODULE_0___default()(mode => {
      localStorage.setItem(STORAGE_KEY, mode);
    }, SET_TO_STORAGE_TIMEOUT);
    let theme = appearanceTheme;

    if (!theme) {
      theme = localStorage.getItem(STORAGE_KEY);
    } else {
      throttledSetToStorage(theme);
    }

    switch (theme) {
      case _constants__WEBPACK_IMPORTED_MODULE_2__/* .APPEARANCE_THEMES.DARK */ .cC.DARK:
        {
          document.documentElement.classList.add(DARK_THEME_CLASS);
          document.documentElement.classList.remove(LIGHT_THEME_CLASS);
          break;
        }

      case _constants__WEBPACK_IMPORTED_MODULE_2__/* .APPEARANCE_THEMES.LIGHT */ .cC.LIGHT:
        {
          document.documentElement.classList.add(LIGHT_THEME_CLASS);
          document.documentElement.classList.remove(DARK_THEME_CLASS);
          break;
        }

      default:
        {
          document.documentElement.classList.remove(DARK_THEME_CLASS);
          document.documentElement.classList.remove(LIGHT_THEME_CLASS);
        }
    }
  }, [appearanceTheme]);
};

/***/ }),

/***/ 2155:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "D2": () => (/* binding */ CHANGELOG_URL),
/* harmony export */   "Kd": () => (/* binding */ GITHUB_URL),
/* harmony export */   "Sb": () => (/* binding */ PRIVACY_URL),
/* harmony export */   "Y0": () => (/* binding */ GLOBAL_PRIVACY_CONTROL_URL),
/* harmony export */   "YH": () => (/* binding */ ACKNOWLEDGMENTS_URL),
/* harmony export */   "Z5": () => (/* binding */ DO_NOT_TRACK_URL),
/* harmony export */   "cC": () => (/* binding */ APPEARANCE_THEMES),
/* harmony export */   "eN": () => (/* binding */ DEFAULT_THIRD_PARTY_COOKIES_SELF_DESTRUCT_MIN),
/* harmony export */   "l7": () => (/* binding */ HOW_TO_CREATE_RULES_URL),
/* harmony export */   "o6": () => (/* binding */ WEBSITE_URL),
/* harmony export */   "pR": () => (/* binding */ COMPARE_URL),
/* harmony export */   "sn": () => (/* binding */ DISCUSS_URL),
/* harmony export */   "uj": () => (/* binding */ DEFAULT_FIRST_PARTY_COOKIES_SELF_DESTRUCT_MIN)
/* harmony export */ });
/* eslint-disable max-len */
const PRIVACY_URL = 'https://adguard.com/forward.html?action=privacy&from=options_screen&app=browser_extension';
const ACKNOWLEDGMENTS_URL = 'https://adguard.com/forward.html?action=acknowledgments&from=options_screen&app=browser_extension';
const GITHUB_URL = 'https://adguard.com/forward.html?action=github_options&from=options_screen&app=browser_extension';
const WEBSITE_URL = 'https://adguard.com/forward.html?action=adguard_site&from=options_screen_footer&app=browser_extension';
const DISCUSS_URL = 'https://adguard.com/forward.html?action=discuss&from=options_screen&app=browser_extension';
const COMPARE_URL = 'https://adguard.com/forward.html?action=compare&from=options_screen&app=browser_extension';
const CHANGELOG_URL = 'https://adguard.com/forward.html?action=github_version_popup&from=options_screen&app=browser_extension';
const GLOBAL_PRIVACY_CONTROL_URL = 'https://adguard.com/forward.html?action=global_privacy_control&from=options_screen&app=browser_extension';
const DO_NOT_TRACK_URL = 'https://adguard.com/forward.html?action=do_not_track&from=options_screen&app=browser_extension';
const HOW_TO_CREATE_RULES_URL = 'https://adguard.com/forward.html?action=userfilter_description&from=options&app=browser_extension';
const DEFAULT_FIRST_PARTY_COOKIES_SELF_DESTRUCT_MIN = 4320;
const DEFAULT_THIRD_PARTY_COOKIES_SELF_DESTRUCT_MIN = 2880;
const APPEARANCE_THEMES = {
  SYSTEM: 'system',
  DARK: 'dark',
  LIGHT: 'light'
};

/***/ }),

/***/ 7916:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "d": () => (/* binding */ messenger)
/* harmony export */ });
/* harmony import */ var webextension_polyfill__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(3679);
/* harmony import */ var webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(webextension_polyfill__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var nanoid__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(2380);
/* harmony import */ var _common_log__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9224);
/* harmony import */ var _common_constants__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(4568);





class Messenger {
  constructor() {
    this.onMessage = (webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().runtime.onMessage);

    this.createLongLivedConnection = (page, events, callback) => {
      const eventListener = (...args) => {
        callback(...args);
      };

      const port = webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().runtime.connect({
        name: `${page}_${(0,nanoid__WEBPACK_IMPORTED_MODULE_3__/* .nanoid */ .x0)()}`
      });
      port.postMessage({
        type: _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.ADD_LONG_LIVED_CONNECTION */ .oK.ADD_LONG_LIVED_CONNECTION,
        data: {
          events
        }
      });
      port.onMessage.addListener(message => {
        if (message.type === _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.NOTIFY_LISTENERS */ .oK.NOTIFY_LISTENERS) {
          const [type, ...data] = message.data;
          eventListener({
            type,
            data
          });
        }
      });
      port.onDisconnect.addListener(() => {
        if ((webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().runtime.lastError)) {
          _common_log__WEBPACK_IMPORTED_MODULE_1__/* .log.error */ .c.error((webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().runtime.lastError.message));
        }
      });

      const onUnload = () => {
        port.disconnect();
      };

      window.addEventListener('beforeunload', onUnload);
      window.addEventListener('unload', onUnload);
      return onUnload;
    };

    this.createEventListener = async (events, callback, onUnloadCallback) => {
      const eventListener = (...args) => {
        callback(...args);
      };

      let {
        listenerId
      } = await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.CREATE_EVENT_LISTENER */ .oK.CREATE_EVENT_LISTENER, {
        events
      });
      webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().runtime.onMessage.addListener(message => {
        if (message.type === _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.NOTIFY_LISTENERS */ .oK.NOTIFY_LISTENERS) {
          const [type, ...data] = message.data;
          eventListener({
            type,
            data
          });
        }
      });

      const onUnload = async () => {
        if (listenerId) {
          const type = _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.REMOVE_LISTENER */ .oK.REMOVE_LISTENER;
          this.sendMessage(type, {
            listenerId
          });
          listenerId = null;

          if (typeof onUnloadCallback === 'function') {
            onUnloadCallback();
          }
        }
      };

      window.addEventListener('beforeunload', onUnload);
      window.addEventListener('unload', onUnload);
      return onUnload;
    };

    this.openExtensionStore = async () => {
      return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.OPEN_EXTENSION_STORE */ .oK.OPEN_EXTENSION_STORE);
    };
  }

  // eslint-disable-next-line class-methods-use-this
  async sendMessage(type, data) {
    _common_log__WEBPACK_IMPORTED_MODULE_1__/* .log.debug */ .c.debug('Request type:', type);

    if (data) {
      _common_log__WEBPACK_IMPORTED_MODULE_1__/* .log.debug */ .c.debug('Request data:', data);
    }

    const response = await webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().runtime.sendMessage({
      type,
      data
    });

    if (response) {
      _common_log__WEBPACK_IMPORTED_MODULE_1__/* .log.debug */ .c.debug('Response type:', type);
      _common_log__WEBPACK_IMPORTED_MODULE_1__/* .log.debug */ .c.debug('Response data:', response);
    }

    return response;
  }
  /**
   * Creates long lived connections between popup and background page
   * @param {string} page
   * @param events
   * @param callback
   * @returns {function}
   */


  async getOptionsData() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_OPTIONS_DATA */ .oK.GET_OPTIONS_DATA);
  } // eslint-disable-next-line class-methods-use-this


  async changeUserSetting(settingId, value) {
    // FIXME refactor message handler to use common message format { type, data }
    await webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().runtime.sendMessage({
      type: _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.CHANGE_USER_SETTING */ .oK.CHANGE_USER_SETTING,
      key: settingId,
      value
    });
  }

  async enableFilter(filterId) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.ADD_AND_ENABLE_FILTER */ .oK.ADD_AND_ENABLE_FILTER, {
      filterId
    });
  }

  async disableFilter(filterId) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.DISABLE_ANTIBANNER_FILTER */ .oK.DISABLE_ANTIBANNER_FILTER, {
      filterId
    });
  }

  async applySettingsJson(json) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.APPLY_SETTINGS_JSON */ .oK.APPLY_SETTINGS_JSON, {
      json
    });
  }

  async openFilteringLog() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.OPEN_FILTERING_LOG */ .oK.OPEN_FILTERING_LOG);
  }

  async resetStatistics() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.RESET_BLOCKED_ADS_COUNT */ .oK.RESET_BLOCKED_ADS_COUNT);
  }

  async setFilteringLogWindowState(windowState) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.SET_FILTERING_LOG_WINDOW_STATE */ .oK.SET_FILTERING_LOG_WINDOW_STATE, {
      windowState
    });
  }

  async resetSettings() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.RESET_SETTINGS */ .oK.RESET_SETTINGS);
  }

  async getUserRules() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_USER_RULES */ .oK.GET_USER_RULES);
  }

  async saveUserRules(value) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.SAVE_USER_RULES */ .oK.SAVE_USER_RULES, {
      value
    });
  }

  async getAllowlist() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_ALLOWLIST_DOMAINS */ .oK.GET_ALLOWLIST_DOMAINS);
  }

  async saveAllowlist(value) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.SAVE_ALLOWLIST_DOMAINS */ .oK.SAVE_ALLOWLIST_DOMAINS, {
      value
    });
  }

  async updateFilters() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.CHECK_ANTIBANNER_FILTERS_UPDATE */ .oK.CHECK_ANTIBANNER_FILTERS_UPDATE);
  }

  async updateGroupStatus(id, data) {
    const type = data ? _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.ENABLE_FILTERS_GROUP */ .oK.ENABLE_FILTERS_GROUP : _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.DISABLE_FILTERS_GROUP */ .oK.DISABLE_FILTERS_GROUP;
    const groupId = id - 0;
    await this.sendMessage(type, {
      groupId
    });
  }

  async updateFilterStatus(filterId, data) {
    const type = data ? _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.ADD_AND_ENABLE_FILTER */ .oK.ADD_AND_ENABLE_FILTER : _common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.DISABLE_ANTIBANNER_FILTER */ .oK.DISABLE_ANTIBANNER_FILTER;
    await this.sendMessage(type, {
      filterId
    });
  }

  async checkCustomUrl(url) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.LOAD_CUSTOM_FILTER_INFO */ .oK.LOAD_CUSTOM_FILTER_INFO, {
      url
    });
  }

  async addCustomFilter(filter) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.SUBSCRIBE_TO_CUSTOM_FILTER */ .oK.SUBSCRIBE_TO_CUSTOM_FILTER, {
      filter
    });
  }

  async removeCustomFilter(filterId) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.REMOVE_ANTIBANNER_FILTER */ .oK.REMOVE_ANTIBANNER_FILTER, {
      filterId
    });
  }

  async getTabInfoForPopup(tabId) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_TAB_INFO_FOR_POPUP */ .oK.GET_TAB_INFO_FOR_POPUP, {
      tabId
    });
  }

  async changeApplicationFilteringDisabled(state) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.CHANGE_APPLICATION_FILTERING_DISABLED */ .oK.CHANGE_APPLICATION_FILTERING_DISABLED, {
      state
    });
  }

  async openSettingsTab() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.OPEN_SETTINGS_TAB */ .oK.OPEN_SETTINGS_TAB);
  }

  async openAssistant() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.OPEN_ASSISTANT */ .oK.OPEN_ASSISTANT);
  }

  async openAbuseSite(url) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.OPEN_ABUSE_TAB */ .oK.OPEN_ABUSE_TAB, {
      url
    });
  }

  async checkSiteSecurity(url) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.OPEN_SITE_REPORT_TAB */ .oK.OPEN_SITE_REPORT_TAB, {
      url
    });
  }

  async resetCustomRulesForPage(url) {
    const [currentTab] = await webextension_polyfill__WEBPACK_IMPORTED_MODULE_0___default().tabs.query({
      active: true,
      currentWindow: true
    });
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.RESET_CUSTOM_RULES_FOR_PAGE */ .oK.RESET_CUSTOM_RULES_FOR_PAGE, {
      url,
      tabId: currentTab === null || currentTab === void 0 ? void 0 : currentTab.id
    });
  }

  async removeAllowlistDomain(tabId) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.REMOVE_ALLOWLIST_DOMAIN */ .oK.REMOVE_ALLOWLIST_DOMAIN, {
      tabId
    });
  }

  async addAllowlistDomain(tabId) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.ADD_ALLOWLIST_DOMAIN_POPUP */ .oK.ADD_ALLOWLIST_DOMAIN_POPUP, {
      tabId
    });
  }

  async getStatisticsData() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_STATISTICS_DATA */ .oK.GET_STATISTICS_DATA);
  }

  async onOpenFilteringLogPage() {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.ON_OPEN_FILTERING_LOG_PAGE */ .oK.ON_OPEN_FILTERING_LOG_PAGE);
  }

  async getFilteringLogData() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_FILTERING_LOG_DATA */ .oK.GET_FILTERING_LOG_DATA);
  }

  async onCloseFilteringLogPage() {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.ON_CLOSE_FILTERING_LOG_PAGE */ .oK.ON_CLOSE_FILTERING_LOG_PAGE);
  }

  async getFilteringInfoByTabId(tabId) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_FILTERING_INFO_BY_TAB_ID */ .oK.GET_FILTERING_INFO_BY_TAB_ID, {
      tabId
    });
  }

  async synchronizeOpenTabs() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.SYNCHRONIZE_OPEN_TABS */ .oK.SYNCHRONIZE_OPEN_TABS);
  }

  async clearEventsByTabId(tabId, ignorePreserveLog) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.CLEAR_EVENTS_BY_TAB_ID */ .oK.CLEAR_EVENTS_BY_TAB_ID, {
      tabId,
      ignorePreserveLog
    });
  }

  async refreshPage(tabId, preserveLogEnabled) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.REFRESH_PAGE */ .oK.REFRESH_PAGE, {
      tabId,
      preserveLogEnabled
    });
  }

  async openTab(url, options) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.OPEN_TAB */ .oK.OPEN_TAB, {
      url,
      options
    });
  }

  async filteringLogAddUserRule(ruleText) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.FILTERING_LOG_ADD_USER_RULE */ .oK.FILTERING_LOG_ADD_USER_RULE, {
      ruleText
    });
  }

  async unAllowlistFrame(frameInfo) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.UN_ALLOWLIST_FRAME */ .oK.UN_ALLOWLIST_FRAME, {
      frameInfo
    });
  }

  async removeUserRule(ruleText) {
    await this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.REMOVE_USER_RULE */ .oK.REMOVE_USER_RULE, {
      ruleText
    });
  }

  async getTabFrameInfoById(tabId) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_TAB_FRAME_INFO_BY_ID */ .oK.GET_TAB_FRAME_INFO_BY_ID, {
      tabId
    });
  }

  async setPreserveLogState(state) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.SET_PRESERVE_LOG_STATE */ .oK.SET_PRESERVE_LOG_STATE, {
      state
    });
  }

  async getEditorStorageContent() {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.GET_EDITOR_STORAGE_CONTENT */ .oK.GET_EDITOR_STORAGE_CONTENT);
  }

  async setEditorStorageContent(content) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.SET_EDITOR_STORAGE_CONTENT */ .oK.SET_EDITOR_STORAGE_CONTENT, {
      content
    });
  }

  async convertRuleText(content) {
    return this.sendMessage(_common_constants__WEBPACK_IMPORTED_MODULE_2__/* .MESSAGE_TYPES.CONVERT_RULES_TEXT */ .oK.CONVERT_RULES_TEXT, {
      content
    });
  }

}

const messenger = new Messenger();


/***/ }),

/***/ 4381:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1389);
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9633);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__);
// Imports


var ___CSS_LOADER_EXPORT___ = _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default()((_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default()));
// Module
___CSS_LOADER_EXPORT___.push([module.id, "@font-face {\n    font-family: Roboto;\n    src: url('../../../../assets/fonts/Roboto-Regular.woff2') format('woff2');\n    font-weight: normal;\n    font-style: normal;\n}\n\n@font-face {\n    font-family: Roboto;\n    src: url('../../../../assets/fonts/Roboto-Medium.woff2') format('woff2');\n    font-weight: 500;\n    font-style: normal;\n}\n\n@font-face {\n    font-family: Roboto;\n    src: url('../../../../assets/fonts/Roboto-Bold.woff2') format('woff2');\n    font-weight: bold;\n    font-style: normal;\n}\n", ""]);
// Exports
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (___CSS_LOADER_EXPORT___);


/***/ }),

/***/ 6834:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1389);
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9633);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__);
// Imports


var ___CSS_LOADER_EXPORT___ = _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default()((_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default()));
// Module
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// Exports
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (___CSS_LOADER_EXPORT___);


/***/ }),

/***/ 2328:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1389);
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/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9633);
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// Imports


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// Module
___CSS_LOADER_EXPORT___.push([module.id, ".actions {\n    background-color: transparent;\n    border: 0;\n    height: 168px;\n    padding-top: 9px;\n    padding-bottom: 9px;\n    width: 100%;\n    display: flex;\n    flex-direction: column;\n    justify-content: space-around;\n    max-width: 320px;\n}\n\n    @media (color-index: 48) {.actions {\n        background-color: var(--black)\n}\n    }\n\n    @media (color: 48842621) {.actions {\n        background-color: var(--black)\n}\n    }\n\n    @media (prefers-color-scheme: dark) {.actions {\n        background-color: var(--black)\n}\n    }\n\n    .actions .action {\n        width: 100%;\n        display: flex;\n        align-items: center;\n        padding: 0 20px;\n        cursor: pointer;\n        transition: 0.3s ease background-color;\n        height: 35px;\n    }\n\n    .actions .action:hover {\n            background-color: var(--gray100);\n        }\n\n    @media (color-index: 48) {\n\n    .actions .action:hover {\n                background-color: var(--grayDark)\n        }\n            }\n\n    @media (color: 48842621) {\n\n    .actions .action:hover {\n                background-color: var(--grayDark)\n        }\n            }\n\n    @media (prefers-color-scheme: dark) {\n\n    .actions .action:hover {\n                background-color: var(--grayDark)\n        }\n            }\n\n    .actions .action_disabled {\n            cursor: auto;\n            cursor: initial;\n            opacity: 0.5;\n        }\n\n    .actions .action_disabled:hover {\n                background-color: inherit;\n            }\n\n    .actions .action .action-title {\n            padding-left: 15px;\n            font-size: 13px;\n            color: var(--gray900);\n            white-space: nowrap;\n            overflow: hidden;\n            text-overflow: ellipsis;\n            max-width: 100%;\n        }\n\n    @media (color-index: 48) {\n\n    .actions .action .action-title {\n                color: var(--gray300)\n        }\n            }\n\n    @media (color: 48842621) {\n\n    .actions .action .action-title {\n                color: var(--gray300)\n        }\n            }\n\n    @media (prefers-color-scheme: dark) {\n\n    .actions .action .action-title {\n                color: var(--gray300)\n        }\n            }\n\n.light-mode .actions {\n        background-color: var(--white);\n    }\n\n.light-mode .actions .action:hover {\n                background-color: var(--gray100);\n            }\n\n.light-mode .actions .action .action-title {\n                color: var(--gray900);\n            }\n\n.dark-mode .actions {\n        background-color: var(--black);\n    }\n\n.dark-mode .actions .action:hover {\n                background-color: var(--grayDark);\n            }\n\n.dark-mode .actions .action .action-title {\n                color: var(--gray300);\n            }\n", ""]);
// Exports
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (___CSS_LOADER_EXPORT___);


/***/ }),

/***/ 9066:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1389);
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9633);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__);
// Imports


var ___CSS_LOADER_EXPORT___ = _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default()((_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default()));
// Module
___CSS_LOADER_EXPORT___.push([module.id, ".footer {\n    margin-top: auto;\n    display: flex;\n    align-items: center;\n    height: 40px;\n    padding: 0 20px;\n    font-size: 13px;\n    color: var(--gray900);\n    background-color: var(--gray100);\n}\n\n    @media (color-index: 48) {.footer {\n        color: var(--gray300);\n        background-color: var(--gray900)\n}\n    }\n\n    @media (color: 48842621) {.footer {\n        color: var(--gray300);\n        background-color: var(--gray900)\n}\n    }\n\n    @media (prefers-color-scheme: dark) {.footer {\n        color: var(--gray300);\n        background-color: var(--gray900)\n}\n    }\n\n    .footer__text {\n        max-width: 215px;\n        overflow: hidden;\n        text-overflow: ellipsis;\n        white-space: nowrap;\n    }\n\n    .footer__platforms {\n        flex-grow: 1;\n        flex-shrink: 0;\n        text-align: right;\n    }\n\n    .footer__link {\n        margin-left: 10px;\n    }\n\n    .footer__icon {\n        width: 20px;\n        height: 20px;\n        color: var(--gray300);\n        transition: 0.3s ease color;\n    }\n\n    @media (color-index: 48) {\n\n    .footer__icon {\n            color: var(--gray400)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .footer__icon {\n            color: var(--gray400)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .footer__icon {\n            color: var(--gray400)\n    }\n        }\n\n    .footer__icon:hover {\n            color: var(--gray700);\n        }\n\n    @media (color-index: 48) {\n\n    .footer__icon:hover {\n                color: var(--gray300)\n        }\n            }\n\n    @media (color: 48842621) {\n\n    .footer__icon:hover {\n                color: var(--gray300)\n        }\n            }\n\n    @media (prefers-color-scheme: dark) {\n\n    .footer__icon:hover {\n                color: var(--gray300)\n        }\n            }\n\n.light-mode .footer {\n        color: var(--gray900);\n        background-color: var(--gray100);\n    }\n\n.light-mode .footer__icon {\n            color: var(--gray300);\n        }\n\n.light-mode .footer__icon:hover {\n                color: var(--gray700);\n            }\n\n.dark-mode .footer {\n        color: var(--gray300);\n        background-color: var(--gray900);\n    }\n\n.dark-mode .footer__icon {\n            color: var(--gray400);\n        }\n\n.dark-mode .footer__icon:hover {\n                color: var(--gray300)\n            }\n", ""]);
// Exports
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (___CSS_LOADER_EXPORT___);


/***/ }),

/***/ 9091:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1389);
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9633);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__);
// Imports


var ___CSS_LOADER_EXPORT___ = _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default()((_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default()));
// Module
___CSS_LOADER_EXPORT___.push([module.id, ".popup-header {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    min-height: 50px;\n    padding: 0 16px;\n}\n\n    @media (color-index: 48) {.popup-header {\n        background-color: var(--black)\n}\n    }\n\n    @media (color: 48842621) {.popup-header {\n        background-color: var(--black)\n}\n    }\n\n    @media (prefers-color-scheme: dark) {.popup-header {\n        background-color: var(--black)\n}\n    }\n\n    .popup-header__logo {\n        width: 113px;\n        height: 25px;\n    }\n\n    .popup-header__buttons {\n        display: flex;\n    }\n\n    .popup-header__button {\n        width: 24px;\n        height: 24px;\n        margin: 0 8px;\n        padding: 0;\n        border-radius: 4px;\n        color: var(--gray400);\n        transition: var(--t3) color, var(--t3) background-color;\n    }\n\n    @media (color-index: 48) {\n\n    .popup-header__button {\n            color: var(--gray700)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .popup-header__button {\n            color: var(--gray700)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .popup-header__button {\n            color: var(--gray700)\n    }\n        }\n\n    .popup-header__button:hover {\n            color: var(--gray700);\n            background-color: var(--gray100);\n        }\n\n    @media (color-index: 48) {\n\n    .popup-header__button:hover {\n                background-color: var(--gray900);\n                color: var(--gray400)\n        }\n            }\n\n    @media (color: 48842621) {\n\n    .popup-header__button:hover {\n                background-color: var(--gray900);\n                color: var(--gray400)\n        }\n            }\n\n    @media (prefers-color-scheme: dark) {\n\n    .popup-header__button:hover {\n                background-color: var(--gray900);\n                color: var(--gray400)\n        }\n            }\n\n.light-mode .popup-header {\n        background-color: var(--white);\n    }\n\n.light-mode .popup-header__button {\n            color: var(--gray400);\n        }\n\n.light-mode .popup-header__button:hover {\n                background-color: var(--gray100);\n                color: var(--gray700);\n            }\n\n.dark-mode .popup-header {\n        background-color: var(--black);\n    }\n\n.dark-mode .popup-header__button {\n            color: var(--gray700);\n        }\n\n.dark-mode .popup-header__button:hover {\n                background-color: var(--gray900);\n                color: var(--gray400);\n            }\n", ""]);
// Exports
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (___CSS_LOADER_EXPORT___);


/***/ }),

/***/ 1936:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1389);
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9633);
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// Imports


var ___CSS_LOADER_EXPORT___ = _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default()((_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default()));
// Module
___CSS_LOADER_EXPORT___.push([module.id, ".main {\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    justify-content: center;\n    height: 300px;\n    color: var(--gray900);\n}\n\n    @media (color-index: 48) {.main {\n        color: var(--gray300)\n}\n    }\n\n    @media (color: 48842621) {.main {\n        color: var(--gray300)\n}\n    }\n\n    @media (prefers-color-scheme: dark) {.main {\n        color: var(--gray300)\n}\n    }\n\n    .main__header {\n        min-height: 75px;\n    }\n\n    .main__cta-link {\n        text-align: center;\n        font-size: 12px;\n        color: var(--gray700);\n        transition: var(--t3) color;\n    }\n\n    @media (color-index: 48) {\n\n    .main__cta-link {\n            color: var(--gray400)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .main__cta-link {\n            color: var(--gray400)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .main__cta-link {\n            color: var(--gray400)\n    }\n        }\n\n    .main__cta-link:hover {\n            color: var(--gray900);\n        }\n\n    @media (color-index: 48) {\n\n    .main__cta-link:hover {\n                color: var(--gray100)\n        }\n            }\n\n    @media (color: 48842621) {\n\n    .main__cta-link:hover {\n                color: var(--gray100)\n        }\n            }\n\n    @media (prefers-color-scheme: dark) {\n\n    .main__cta-link:hover {\n                color: var(--gray100)\n        }\n            }\n\n    .main__total-blocked-tab {\n        font-weight: bold;\n        text-align: center;\n        font-size: 24px;\n    }\n\n    .main__total-blocked-all {\n        text-align: center;\n        font-size: 16px;\n    }\n\n    .main .current-site {\n        padding-bottom: 2px;\n        font-size: 16px;\n        max-width: 260px;\n        text-align: center;\n        margin: 0 auto;\n        overflow: hidden;\n        text-overflow: ellipsis;\n        white-space: nowrap;\n        font-weight: bold;\n    }\n\n    .main .current-status {\n        font-size: 14px;\n        text-align: center;\n        max-width: 280px;\n    }\n\n    .main--allowlisted .switcher {\n            opacity: 1;\n        }\n\n    .main--allowlisted .switcher__btn {\n                right: 36px;\n            }\n\n    .main--allowlisted .switcher__btn .switcher__icon--play {\n                    display: none;\n                }\n\n    .main--allowlisted .switcher__btn .switcher__icon--checkmark {\n                    display: none;\n                }\n\n    .main--allowlisted .switcher__btn .switcher__icon--circle {\n                    display: block;\n                }\n\n    .main--disabled .switcher {\n            opacity: 1;\n        }\n\n    .main--disabled .switcher__center {\n                opacity: 0;\n            }\n\n    .main--disabled .switcher__btn {\n                right: 18px;\n            }\n\n    .main--disabled .switcher__btn .switcher__icon--play {\n                    display: block;\n                }\n\n    .main--disabled .switcher__btn .switcher__icon--checkmark {\n                    display: none;\n                }\n\n    .main--disabled .switcher__btn .switcher__icon--circle {\n                    display: none;\n                }\n\n    .main--enabled .switcher, .main--unavailable .switcher, .main--in-exception .switcher {\n            opacity: 1;\n        }\n\n    .main--unavailable .switcher {\n            pointer-events: none;\n        }\n\n    .main--unavailable .switcher__center {\n                opacity: 0;\n            }\n\n    .main--unavailable .switcher__btn {\n                right: 18px;\n            }\n\n    .main--in-exception .switcher {\n            cursor: default;\n        }\n\n    .main--in-exception .switcher:hover .switcher__btn {\n                    transform: none;\n                }\n\n    .main--in-exception .switcher__btn {\n                cursor: default;\n                right: 22px;\n            }\n\n    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/***/ }),

/***/ 291:
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/***/ }),

/***/ 2845:
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/***/ }),

/***/ 384:
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"use strict";
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/***/ }),

/***/ 8572:
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/***/ }),

/***/ 5191:
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/***/ }),

/***/ 6680:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

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/***/ }),

/***/ 5255:
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/***/ 493:
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/***/ }),

/***/ 1657:
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/***/ }),

/***/ 7153:
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/***/ }),

/***/ 5201:
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/***/ }),

/***/ 5460:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

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/***/ }),

/***/ 8396:
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}

function _nonIterableSpread() {
  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}

function _toConsumableArray(arr) {
  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
}

var NODE_TYPES;

(function (NODE_TYPES) {
  NODE_TYPES["PLACEHOLDER"] = "placeholder";
  NODE_TYPES["TEXT"] = "text";
  NODE_TYPES["TAG"] = "tag";
  NODE_TYPES["VOID_TAG"] = "void_tag";
})(NODE_TYPES || (NODE_TYPES = {}));

var isTextNode = function isTextNode(node) {
  return node.type === NODE_TYPES.TEXT;
};
var isTagNode = function isTagNode(node) {
  return node.type === NODE_TYPES.TAG;
};
var isPlaceholderNode = function isPlaceholderNode(node) {
  return node.type === NODE_TYPES.PLACEHOLDER;
};
var isVoidTagNode = function isVoidTagNode(node) {
  return node.type === NODE_TYPES.VOID_TAG;
};
var placeholderNode = function placeholderNode(value) {
  return {
    type: NODE_TYPES.PLACEHOLDER,
    value: value
  };
};
var textNode = function textNode(str) {
  return {
    type: NODE_TYPES.TEXT,
    value: str
  };
};
var tagNode = function tagNode(tagName, children) {
  var value = tagName.trim();
  return {
    type: NODE_TYPES.TAG,
    value: value,
    children: children
  };
};
var voidTagNode = function voidTagNode(tagName) {
  var value = tagName.trim();
  return {
    type: NODE_TYPES.VOID_TAG,
    value: value
  };
};
/**
 * Checks if target is node
 * @param target
 */

var isNode = function isNode(target) {
  if (typeof target === 'string') {
    return false;
  }

  return !!target.type;
};

var STATE;

(function (STATE) {
  /**
   * Parser function switches to the text state when parses simple text,
   * or content between open and close tags
   */
  STATE["TEXT"] = "text";
  /**
   * Parser function switches to the tag state when meets open tag brace ("<"), and switches back,
   * when meets closing tag brace (">")
   */

  STATE["TAG"] = "tag";
  /**
   * Parser function switches to the placeholder state when meets in the text
   * open placeholders brace ("{") and switches back to the text state,
   * when meets close placeholder brace ("}")
   */

  STATE["PLACEHOLDER"] = "placeholder";
})(STATE || (STATE = {}));

var CONTROL_CHARS = {
  TAG_OPEN_BRACE: '<',
  TAG_CLOSE_BRACE: '>',
  CLOSING_TAG_MARK: '/',
  PLACEHOLDER_MARK: '%'
};
/**
 * Checks if text length is enough to create text node
 * If text node created, then if stack is not empty it is pushed into stack,
 * otherwise into result
 * @param context
 */

var createTextNodeIfPossible = function createTextNodeIfPossible(context) {
  var text = context.text;

  if (text.length > 0) {
    var node = textNode(text);

    if (context.stack.length > 0) {
      context.stack.push(node);
    } else {
      context.result.push(node);
    }
  }

  context.text = '';
};
/**
 * Checks if lastFromStack tag has any attributes
 * @param lastFromStack
 */


var hasAttributes = function hasAttributes(lastFromStack) {
  // e.g. "a class" or "a href='#'"
  var tagStrParts = lastFromStack.split(' ');
  return tagStrParts.length > 1;
};
/**
 * Handles text state
 */


var textStateHandler = function textStateHandler(context) {
  var currChar = context.currChar,
      currIdx = context.currIdx; // switches to the tag state

  if (currChar === CONTROL_CHARS.TAG_OPEN_BRACE) {
    context.lastTextStateChangeIdx = currIdx;
    return STATE.TAG;
  } // switches to the placeholder state


  if (currChar === CONTROL_CHARS.PLACEHOLDER_MARK) {
    context.lastTextStateChangeIdx = currIdx;
    return STATE.PLACEHOLDER;
  } // remains in the text state


  context.text += currChar;
  return STATE.TEXT;
};
/**
 * Handles placeholder state
 * @param context
 */


var placeholderStateHandler = function placeholderStateHandler(context) {
  var currChar = context.currChar,
      currIdx = context.currIdx,
      lastTextStateChangeIdx = context.lastTextStateChangeIdx,
      placeholder = context.placeholder,
      stack = context.stack,
      result = context.result,
      str = context.str;

  if (currChar === CONTROL_CHARS.PLACEHOLDER_MARK) {
    // if distance between current index and last state change equal to 1,
    // it means that placeholder mark was escaped by itself e.g. "%%",
    // so we return to the text state
    if (currIdx - lastTextStateChangeIdx === 1) {
      context.text += str.substring(lastTextStateChangeIdx, currIdx);
      return STATE.TEXT;
    }

    createTextNodeIfPossible(context);
    var node = placeholderNode(placeholder); // push node to the appropriate stack

    if (stack.length > 0) {
      stack.push(node);
    } else {
      result.push(node);
    }

    context.placeholder = '';
    return STATE.TEXT;
  }

  context.placeholder += currChar;
  return STATE.PLACEHOLDER;
};
/**
 * Switches current state to the tag state and returns tag state handler
 */


var tagStateHandler = function tagStateHandler(context) {
  var currChar = context.currChar,
      text = context.text,
      stack = context.stack,
      result = context.result,
      lastTextStateChangeIdx = context.lastTextStateChangeIdx,
      currIdx = context.currIdx,
      str = context.str;
  var tag = context.tag; // if found tag end ">"

  if (currChar === CONTROL_CHARS.TAG_CLOSE_BRACE) {
    // if the tag is close tag e.g. </a>
    if (tag.indexOf(CONTROL_CHARS.CLOSING_TAG_MARK) === 0) {
      // remove slash from tag
      tag = tag.substring(1);
      var children = [];

      if (text.length > 0) {
        children.push(textNode(text));
        context.text = '';
      }

      var pairTagFound = false; // looking for the pair to the close tag

      while (!pairTagFound && stack.length > 0) {
        var lastFromStack = stack.pop(); // if tag from stack equal to close tag

        if (lastFromStack === tag) {
          // create tag node
          var node = tagNode(tag, children); // and add it to the appropriate stack

          if (stack.length > 0) {
            stack.push(node);
          } else {
            result.push(node);
          }

          children = [];
          pairTagFound = true;
        } else if (isNode(lastFromStack)) {
          // add nodes between close tag and open tag to the children
          children.unshift(lastFromStack);
        } else {
          if (typeof lastFromStack === 'string' && hasAttributes(lastFromStack)) {
            throw new Error("Tags in string should not have attributes: ".concat(str));
          } else {
            throw new Error("String has unbalanced tags: ".concat(str));
          }
        }

        if (stack.length === 0 && children.length > 0) {
          throw new Error("String has unbalanced tags: ".concat(str));
        }
      }

      context.tag = '';
      return STATE.TEXT;
    } // if the tag is void tag e.g. <img/>


    if (tag.lastIndexOf(CONTROL_CHARS.CLOSING_TAG_MARK) === tag.length - 1) {
      tag = tag.substring(0, tag.length - 1);
      createTextNodeIfPossible(context);

      var _node = voidTagNode(tag); // add node to the appropriate stack


      if (stack.length > 0) {
        stack.push(_node);
      } else {
        result.push(_node);
      }

      context.tag = '';
      return STATE.TEXT;
    }

    createTextNodeIfPossible(context);
    stack.push(tag);
    context.tag = '';
    return STATE.TEXT;
  } // If we meet open tag "<" it means that we wrongly moved into tag state


  if (currChar === CONTROL_CHARS.TAG_OPEN_BRACE) {
    context.text += str.substring(lastTextStateChangeIdx, currIdx);
    context.lastTextStateChangeIdx = currIdx;
    context.tag = '';
    return STATE.TAG;
  }

  context.tag += currChar;
  return STATE.TAG;
};
/**
 * Parses string into AST (abstract syntax tree) and returns it
 * e.g.
 * parse("String to <a>translate</a>") ->
 * ```
 *      [
 *           { type: 'text', value: 'String to ' },
 *           { type: 'tag', value: 'a', children: [{ type: 'text', value: 'translate' }] }
 *      ];
 * ```
 * Empty string is parsed into empty AST (abstract syntax tree): "[]"
 * If founds unbalanced tags, it throws error about it
 *
 * @param {string} str - message in simplified ICU like syntax without plural support
 */


var parser = function parser() {
  var _STATE_HANDLERS;

  var str = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  var context = {
    /**
     * Stack is used to keep and search nested tag nodes
     */
    stack: [],

    /**
     * Result is stack where function allocates nodes
     */
    result: [],

    /**
     * Current char index
     */
    currIdx: 0,

    /**
     * Saves index of the last state change from the text state,
     * used to restore parsed text if we moved into other state wrongly
     */
    lastTextStateChangeIdx: 0,

    /**
     * Accumulated tag value
     */
    tag: '',

    /**
     * Accumulated text value
     */
    text: '',

    /**
     * Accumulated placeholder value
     */
    placeholder: '',

    /**
     * Parsed string
     */
    str: str
  };
  var STATE_HANDLERS = (_STATE_HANDLERS = {}, _defineProperty(_STATE_HANDLERS, STATE.TEXT, textStateHandler), _defineProperty(_STATE_HANDLERS, STATE.PLACEHOLDER, placeholderStateHandler), _defineProperty(_STATE_HANDLERS, STATE.TAG, tagStateHandler), _STATE_HANDLERS); // Start from text state

  var currentState = STATE.TEXT;

  while (context.currIdx < str.length) {
    context.currChar = str[context.currIdx];
    var currentStateHandler = STATE_HANDLERS[currentState];
    currentState = currentStateHandler(context);
    context.currIdx += 1;
  }

  var result = context.result,
      text = context.text,
      stack = context.stack,
      lastTextStateChangeIdx = context.lastTextStateChangeIdx; // Means that tag or placeholder nodes were not closed, so we consider them as text

  if (currentState !== STATE.TEXT) {
    var restText = str.substring(lastTextStateChangeIdx);

    if ((restText + text).length > 0) {
      result.push(textNode(text + restText));
    }
  } else {
    // eslint-disable-next-line no-lonely-if
    if (text.length > 0) {
      result.push(textNode(text));
    }
  }

  if (stack.length > 0) {
    throw new Error("String has unbalanced tags: ".concat(context.str));
  }

  return result;
};

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
/**
 * Helper functions used by default to assemble strings from tag nodes
 * @param tagName
 * @param children
 */

var createStringElement = function createStringElement(tagName, children) {
  if (children) {
    return "<".concat(tagName, ">").concat(children, "</").concat(tagName, ">");
  }

  return "<".concat(tagName, "/>");
};
/**
 * Creates map with default values for tag converters
 */


var createDefaultValues = function createDefaultValues() {
  return {
    p: function p(children) {
      return createStringElement('p', children);
    },
    b: function b(children) {
      return createStringElement('b', children);
    },
    strong: function strong(children) {
      return createStringElement('strong', children);
    },
    tt: function tt(children) {
      return createStringElement('tt', children);
    },
    s: function s(children) {
      return createStringElement('s', children);
    },
    i: function i(children) {
      return createStringElement('i', children);
    }
  };
};
/**
 * This function accepts an AST (abstract syntax tree) which is a result
 * of the parser function call, and converts tree nodes into array of strings replacing node
 * values with provided values.
 * Values is a map with functions or strings, where each key is related to placeholder value
 * or tag value
 * e.g.
 * string "text <tag>tag text</tag> %placeholder%" is parsed into next AST
 *
 *      [
 *          { type: 'text', value: 'text ' },
 *          {
 *              type: 'tag',
 *              value: 'tag',
 *              children: [{ type: 'text', value: 'tag text' }],
 *          },
 *          { type: 'text', value: ' ' },
 *          { type: 'placeholder', value: 'placeholder' }
 *      ];
 *
 * this AST after format and next values
 *
 *      {
 *          // here used template strings, but it can be react components as well
 *          tag: (chunks) => `<b>${chunks}</b>`,
 *          placeholder: 'placeholder text'
 *      }
 *
 * will return next array
 *
 * [ 'text ', '<b>tag text</b>', ' ', 'placeholder text' ]
 *
 * as you can see, <tag> was replaced by <b>, and placeholder was replaced by placeholder text
 *
 * @param ast - AST (abstract syntax tree)
 * @param values
 */


var format = function format() {
  var ast = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var values = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var result = [];

  var tmplValues = _objectSpread(_objectSpread({}, createDefaultValues()), values);

  var i = 0;

  while (i < ast.length) {
    var currentNode = ast[i]; // if current node is text node, there is nothing to change, append value to the result

    if (isTextNode(currentNode)) {
      result.push(currentNode.value);
    } else if (isTagNode(currentNode)) {
      var children = _toConsumableArray(format(currentNode.children, tmplValues));

      var value = tmplValues[currentNode.value];

      if (value) {
        // TODO consider using strong typing
        if (typeof value === 'function') {
          result.push(value(children.join('')));
        } else {
          result.push(value);
        }
      } else {
        throw new Error("Value ".concat(currentNode.value, " wasn't provided"));
      }
    } else if (isVoidTagNode(currentNode)) {
      var _value = tmplValues[currentNode.value]; // TODO consider using strong typing

      if (_value && typeof _value === 'string') {
        result.push(_value);
      } else {
        throw new Error("Value ".concat(currentNode.value, " wasn't provided"));
      }
    } else if (isPlaceholderNode(currentNode)) {
      var _value2 = tmplValues[currentNode.value]; // TODO consider using strong typing

      if (_value2 && typeof _value2 === 'string') {
        result.push(_value2);
      } else {
        throw new Error("Value ".concat(currentNode.value, " wasn't provided"));
      }
    }

    i += 1;
  }

  return result;
};
/**
 * Function gets AST (abstract syntax tree) or string and formats messages,
 * replacing values accordingly
 * e.g.
 *      const message = formatter('<a>some text</a>', {
 *          a: (chunks) => `<a href="#">${chunks}</a>`,
 *      });
 *      console.log(message); // ['<a href="#">some text</a>']
 * @param message
 * @param [values]
 */


var formatter = function formatter(message, values) {
  var ast = parser(message);
  var preparedValues = {}; // convert values to strings if not a function

  if (values) {
    Object.keys(values).forEach(function (key) {
      var value = values[key]; // TODO consider using strong typing

      if (typeof value === 'function') {
        preparedValues[key] = value;
      } else {
        preparedValues[key] = String(value);
      }
    });
  }

  return format(ast, preparedValues);
};

var _pluralFormsCount;

var AvailableLocales;

(function (AvailableLocales) {
  AvailableLocales["az"] = "az";
  AvailableLocales["bo"] = "bo";
  AvailableLocales["dz"] = "dz";
  AvailableLocales["id"] = "id";
  AvailableLocales["ja"] = "ja";
  AvailableLocales["jv"] = "jv";
  AvailableLocales["ka"] = "ka";
  AvailableLocales["km"] = "km";
  AvailableLocales["kn"] = "kn";
  AvailableLocales["ko"] = "ko";
  AvailableLocales["ms"] = "ms";
  AvailableLocales["th"] = "th";
  AvailableLocales["tr"] = "tr";
  AvailableLocales["vi"] = "vi";
  AvailableLocales["zh"] = "zh";
  AvailableLocales["af"] = "af";
  AvailableLocales["bn"] = "bn";
  AvailableLocales["bg"] = "bg";
  AvailableLocales["ca"] = "ca";
  AvailableLocales["da"] = "da";
  AvailableLocales["de"] = "de";
  AvailableLocales["el"] = "el";
  AvailableLocales["en"] = "en";
  AvailableLocales["eo"] = "eo";
  AvailableLocales["es"] = "es";
  AvailableLocales["et"] = "et";
  AvailableLocales["eu"] = "eu";
  AvailableLocales["fa"] = "fa";
  AvailableLocales["fi"] = "fi";
  AvailableLocales["fo"] = "fo";
  AvailableLocales["fur"] = "fur";
  AvailableLocales["fy"] = "fy";
  AvailableLocales["gl"] = "gl";
  AvailableLocales["gu"] = "gu";
  AvailableLocales["ha"] = "ha";
  AvailableLocales["he"] = "he";
  AvailableLocales["hu"] = "hu";
  AvailableLocales["is"] = "is";
  AvailableLocales["it"] = "it";
  AvailableLocales["ku"] = "ku";
  AvailableLocales["lb"] = "lb";
  AvailableLocales["ml"] = "ml";
  AvailableLocales["mn"] = "mn";
  AvailableLocales["mr"] = "mr";
  AvailableLocales["nah"] = "nah";
  AvailableLocales["nb"] = "nb";
  AvailableLocales["ne"] = "ne";
  AvailableLocales["nl"] = "nl";
  AvailableLocales["nn"] = "nn";
  AvailableLocales["no"] = "no";
  AvailableLocales["oc"] = "oc";
  AvailableLocales["om"] = "om";
  AvailableLocales["or"] = "or";
  AvailableLocales["pa"] = "pa";
  AvailableLocales["pap"] = "pap";
  AvailableLocales["ps"] = "ps";
  AvailableLocales["pt"] = "pt";
  AvailableLocales["so"] = "so";
  AvailableLocales["sq"] = "sq";
  AvailableLocales["sv"] = "sv";
  AvailableLocales["sw"] = "sw";
  AvailableLocales["ta"] = "ta";
  AvailableLocales["te"] = "te";
  AvailableLocales["tk"] = "tk";
  AvailableLocales["ur"] = "ur";
  AvailableLocales["zu"] = "zu";
  AvailableLocales["am"] = "am";
  AvailableLocales["bh"] = "bh";
  AvailableLocales["fil"] = "fil";
  AvailableLocales["fr"] = "fr";
  AvailableLocales["gun"] = "gun";
  AvailableLocales["hi"] = "hi";
  AvailableLocales["hy"] = "hy";
  AvailableLocales["ln"] = "ln";
  AvailableLocales["mg"] = "mg";
  AvailableLocales["nso"] = "nso";
  AvailableLocales["xbr"] = "xbr";
  AvailableLocales["ti"] = "ti";
  AvailableLocales["wa"] = "wa";
  AvailableLocales["be"] = "be";
  AvailableLocales["bs"] = "bs";
  AvailableLocales["hr"] = "hr";
  AvailableLocales["ru"] = "ru";
  AvailableLocales["sr"] = "sr";
  AvailableLocales["uk"] = "uk";
  AvailableLocales["cs"] = "cs";
  AvailableLocales["sk"] = "sk";
  AvailableLocales["ga"] = "ga";
  AvailableLocales["lt"] = "lt";
  AvailableLocales["sl"] = "sl";
  AvailableLocales["mk"] = "mk";
  AvailableLocales["mt"] = "mt";
  AvailableLocales["lv"] = "lv";
  AvailableLocales["pl"] = "pl";
  AvailableLocales["cy"] = "cy";
  AvailableLocales["ro"] = "ro";
  AvailableLocales["ar"] = "ar";
})(AvailableLocales || (AvailableLocales = {}));

var getPluralFormId = function getPluralFormId(locale, number) {
  var _supportedForms;

  if (number === 0) {
    return 0;
  }

  var slavNum = number % 10 === 1 && number % 100 !== 11 ? 1 : number % 10 >= 2 && number % 10 <= 4 && (number % 100 < 10 || number % 100 >= 20) ? 2 : 3;
  var supportedForms = (_supportedForms = {}, _defineProperty(_supportedForms, AvailableLocales.az, 1), _defineProperty(_supportedForms, AvailableLocales.bo, 1), _defineProperty(_supportedForms, AvailableLocales.dz, 1), _defineProperty(_supportedForms, AvailableLocales.id, 1), _defineProperty(_supportedForms, AvailableLocales.ja, 1), _defineProperty(_supportedForms, AvailableLocales.jv, 1), _defineProperty(_supportedForms, AvailableLocales.ka, 1), _defineProperty(_supportedForms, AvailableLocales.km, 1), _defineProperty(_supportedForms, AvailableLocales.kn, 1), _defineProperty(_supportedForms, AvailableLocales.ko, 1), _defineProperty(_supportedForms, AvailableLocales.ms, 1), _defineProperty(_supportedForms, AvailableLocales.th, 1), _defineProperty(_supportedForms, AvailableLocales.tr, 1), _defineProperty(_supportedForms, AvailableLocales.vi, 1), _defineProperty(_supportedForms, AvailableLocales.zh, 1), _defineProperty(_supportedForms, AvailableLocales.af, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.bn, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.bg, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ca, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.da, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.de, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.el, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.en, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.eo, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.es, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.et, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.eu, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.fa, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.fi, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.fo, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.fur, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.fy, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.gl, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.gu, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ha, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.he, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.hu, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.is, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.it, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ku, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.lb, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ml, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.mn, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.mr, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.nah, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.nb, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ne, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.nl, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.nn, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.no, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.oc, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.om, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.or, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.pa, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.pap, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ps, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.pt, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.so, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.sq, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.sv, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.sw, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ta, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.te, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.tk, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.ur, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.zu, number === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.am, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.bh, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.fil, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.fr, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.gun, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.hi, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.hy, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.ln, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.mg, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.nso, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.xbr, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.ti, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.wa, number === 0 || number === 1 ? 0 : 1), _defineProperty(_supportedForms, AvailableLocales.be, slavNum), _defineProperty(_supportedForms, AvailableLocales.bs, slavNum), _defineProperty(_supportedForms, AvailableLocales.hr, slavNum), _defineProperty(_supportedForms, AvailableLocales.ru, slavNum), _defineProperty(_supportedForms, AvailableLocales.sr, slavNum), _defineProperty(_supportedForms, AvailableLocales.uk, slavNum), _defineProperty(_supportedForms, AvailableLocales.cs, number === 1 ? 1 : number >= 2 && number <= 4 ? 2 : 3), _defineProperty(_supportedForms, AvailableLocales.sk, number === 1 ? 1 : number >= 2 && number <= 4 ? 2 : 3), _defineProperty(_supportedForms, AvailableLocales.ga, number === 1 ? 1 : number === 2 ? 2 : 3), _defineProperty(_supportedForms, AvailableLocales.lt, number % 10 === 1 && number % 100 !== 11 ? 1 : number % 10 >= 2 && (number % 100 < 10 || number % 100 >= 20) ? 2 : 3), _defineProperty(_supportedForms, AvailableLocales.sl, number % 100 === 1 ? 1 : number % 100 === 2 ? 2 : number % 100 === 3 || number % 100 === 4 ? 3 : 4), _defineProperty(_supportedForms, AvailableLocales.mk, number % 10 === 1 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.mt, number === 1 ? 1 : number === 0 || number % 100 > 1 && number % 100 < 11 ? 2 : number % 100 > 10 && number % 100 < 20 ? 3 : 4), _defineProperty(_supportedForms, AvailableLocales.lv, number === 0 ? 0 : number % 10 === 1 && number % 100 !== 11 ? 1 : 2), _defineProperty(_supportedForms, AvailableLocales.pl, number === 1 ? 1 : number % 10 >= 2 && number % 10 <= 4 && (number % 100 < 12 || number % 100 > 14) ? 2 : 3), _defineProperty(_supportedForms, AvailableLocales.cy, number === 1 ? 0 : number === 2 ? 1 : number === 8 || number === 11 ? 2 : 3), _defineProperty(_supportedForms, AvailableLocales.ro, number === 1 ? 1 : number === 1 || number % 100 > 0 && number % 100 < 20 ? 2 : 3), _defineProperty(_supportedForms, AvailableLocales.ar, number === 0 ? 0 : number === 1 ? 1 : number === 2 ? 2 : number % 100 >= 3 && number % 100 <= 10 ? 3 : number % 100 >= 11 && number % 100 <= 99 ? 4 : 5), _supportedForms);
  return supportedForms[locale];
};

var pluralFormsCount = (_pluralFormsCount = {}, _defineProperty(_pluralFormsCount, AvailableLocales.az, 2), _defineProperty(_pluralFormsCount, AvailableLocales.bo, 2), _defineProperty(_pluralFormsCount, AvailableLocales.dz, 2), _defineProperty(_pluralFormsCount, AvailableLocales.id, 2), _defineProperty(_pluralFormsCount, AvailableLocales.ja, 2), _defineProperty(_pluralFormsCount, AvailableLocales.jv, 2), _defineProperty(_pluralFormsCount, AvailableLocales.ka, 2), _defineProperty(_pluralFormsCount, AvailableLocales.km, 2), _defineProperty(_pluralFormsCount, AvailableLocales.kn, 2), _defineProperty(_pluralFormsCount, AvailableLocales.ko, 2), _defineProperty(_pluralFormsCount, AvailableLocales.ms, 2), _defineProperty(_pluralFormsCount, AvailableLocales.th, 2), _defineProperty(_pluralFormsCount, AvailableLocales.tr, 2), _defineProperty(_pluralFormsCount, AvailableLocales.vi, 2), _defineProperty(_pluralFormsCount, AvailableLocales.zh, 2), _defineProperty(_pluralFormsCount, AvailableLocales.af, 3), _defineProperty(_pluralFormsCount, AvailableLocales.bn, 3), _defineProperty(_pluralFormsCount, AvailableLocales.bg, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ca, 3), _defineProperty(_pluralFormsCount, AvailableLocales.da, 3), _defineProperty(_pluralFormsCount, AvailableLocales.de, 3), _defineProperty(_pluralFormsCount, AvailableLocales.el, 3), _defineProperty(_pluralFormsCount, AvailableLocales.en, 3), _defineProperty(_pluralFormsCount, AvailableLocales.eo, 3), _defineProperty(_pluralFormsCount, AvailableLocales.es, 3), _defineProperty(_pluralFormsCount, AvailableLocales.et, 3), _defineProperty(_pluralFormsCount, AvailableLocales.eu, 3), _defineProperty(_pluralFormsCount, AvailableLocales.fa, 3), _defineProperty(_pluralFormsCount, AvailableLocales.fi, 3), _defineProperty(_pluralFormsCount, AvailableLocales.fo, 3), _defineProperty(_pluralFormsCount, AvailableLocales.fur, 3), _defineProperty(_pluralFormsCount, AvailableLocales.fy, 3), _defineProperty(_pluralFormsCount, AvailableLocales.gl, 3), _defineProperty(_pluralFormsCount, AvailableLocales.gu, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ha, 3), _defineProperty(_pluralFormsCount, AvailableLocales.he, 3), _defineProperty(_pluralFormsCount, AvailableLocales.hu, 3), _defineProperty(_pluralFormsCount, AvailableLocales.is, 3), _defineProperty(_pluralFormsCount, AvailableLocales.it, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ku, 3), _defineProperty(_pluralFormsCount, AvailableLocales.lb, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ml, 3), _defineProperty(_pluralFormsCount, AvailableLocales.mn, 3), _defineProperty(_pluralFormsCount, AvailableLocales.mr, 3), _defineProperty(_pluralFormsCount, AvailableLocales.nah, 3), _defineProperty(_pluralFormsCount, AvailableLocales.nb, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ne, 3), _defineProperty(_pluralFormsCount, AvailableLocales.nl, 3), _defineProperty(_pluralFormsCount, AvailableLocales.nn, 3), _defineProperty(_pluralFormsCount, AvailableLocales.no, 3), _defineProperty(_pluralFormsCount, AvailableLocales.oc, 3), _defineProperty(_pluralFormsCount, AvailableLocales.om, 3), _defineProperty(_pluralFormsCount, AvailableLocales.or, 3), _defineProperty(_pluralFormsCount, AvailableLocales.pa, 3), _defineProperty(_pluralFormsCount, AvailableLocales.pap, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ps, 3), _defineProperty(_pluralFormsCount, AvailableLocales.pt, 3), _defineProperty(_pluralFormsCount, AvailableLocales.so, 3), _defineProperty(_pluralFormsCount, AvailableLocales.sq, 3), _defineProperty(_pluralFormsCount, AvailableLocales.sv, 3), _defineProperty(_pluralFormsCount, AvailableLocales.sw, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ta, 3), _defineProperty(_pluralFormsCount, AvailableLocales.te, 3), _defineProperty(_pluralFormsCount, AvailableLocales.tk, 3), _defineProperty(_pluralFormsCount, AvailableLocales.ur, 3), _defineProperty(_pluralFormsCount, AvailableLocales.zu, 3), _defineProperty(_pluralFormsCount, AvailableLocales.am, 2), _defineProperty(_pluralFormsCount, AvailableLocales.bh, 2), _defineProperty(_pluralFormsCount, AvailableLocales.fil, 2), _defineProperty(_pluralFormsCount, AvailableLocales.fr, 2), _defineProperty(_pluralFormsCount, AvailableLocales.gun, 2), _defineProperty(_pluralFormsCount, AvailableLocales.hi, 2), _defineProperty(_pluralFormsCount, AvailableLocales.hy, 2), _defineProperty(_pluralFormsCount, AvailableLocales.ln, 2), _defineProperty(_pluralFormsCount, AvailableLocales.mg, 2), _defineProperty(_pluralFormsCount, AvailableLocales.nso, 2), _defineProperty(_pluralFormsCount, AvailableLocales.xbr, 2), _defineProperty(_pluralFormsCount, AvailableLocales.ti, 2), _defineProperty(_pluralFormsCount, AvailableLocales.wa, 2), _defineProperty(_pluralFormsCount, AvailableLocales.be, 4), _defineProperty(_pluralFormsCount, AvailableLocales.bs, 4), _defineProperty(_pluralFormsCount, AvailableLocales.hr, 4), _defineProperty(_pluralFormsCount, AvailableLocales.ru, 4), _defineProperty(_pluralFormsCount, AvailableLocales.sr, 4), _defineProperty(_pluralFormsCount, AvailableLocales.uk, 4), _defineProperty(_pluralFormsCount, AvailableLocales.cs, 4), _defineProperty(_pluralFormsCount, AvailableLocales.sk, 4), _defineProperty(_pluralFormsCount, AvailableLocales.ga, 4), _defineProperty(_pluralFormsCount, AvailableLocales.lt, 4), _defineProperty(_pluralFormsCount, AvailableLocales.sl, 5), _defineProperty(_pluralFormsCount, AvailableLocales.mk, 3), _defineProperty(_pluralFormsCount, AvailableLocales.mt, 5), _defineProperty(_pluralFormsCount, AvailableLocales.lv, 3), _defineProperty(_pluralFormsCount, AvailableLocales.pl, 4), _defineProperty(_pluralFormsCount, AvailableLocales.cy, 4), _defineProperty(_pluralFormsCount, AvailableLocales.ro, 4), _defineProperty(_pluralFormsCount, AvailableLocales.ar, 6), _pluralFormsCount);
var PLURAL_STRING_DELIMITER = '|';

var checkForms = function checkForms(str, locale, key) {
  var forms = str.split(PLURAL_STRING_DELIMITER);

  if (forms.length !== pluralFormsCount[locale]) {
    throw new Error("Invalid plural string \"".concat(key, "\" for locale ").concat(locale, ": ").concat(forms.length, " given; need: ").concat(pluralFormsCount[locale]));
  }
};
/**
 * Checks if plural forms are valid
 * @param str - message string
 * @param locale - message locale
 * @param key - message key, used for clearer log message
 */


var isPluralFormValid = function isPluralFormValid(str, locale, key) {
  try {
    checkForms(str, locale, key);
    return true;
  } catch (error) {
    return false;
  }
};
/**
 * Returns plural form corresponding to number
 * @param str
 * @param number
 * @param locale - current locale
 * @param key - message key
 */

var getForm = function getForm(str, number, locale, key) {
  checkForms(str, locale, key);
  var forms = str.split(PLURAL_STRING_DELIMITER);
  var currentForm = getPluralFormId(locale, number);
  return forms[currentForm].trim();
};

function ownKeys$1(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread$1(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$1(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$1(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

var defaultMessageConstructor = function defaultMessageConstructor(formatted) {
  return formatted.join('');
};

var Translator = /*#__PURE__*/function () {
  function Translator(i18n, messageConstructor, values) {
    _classCallCheck(this, Translator);

    this.i18n = i18n;
    this.messageConstructor = messageConstructor || defaultMessageConstructor;
    this.values = values || {};
  }
  /**
   * Retrieves message and translates it, substituting parameters where necessary
   * @param key - translation message key
   * @param params - values used to substitute placeholders and tags
   */


  _createClass(Translator, [{
    key: "getMessage",
    value: function getMessage(key) {
      var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      var message = this.i18n.getMessage(key);

      if (!message) {
        message = this.i18n.getBaseMessage(key);

        if (!message) {
          throw new Error("Was unable to find message for key: \"".concat(key, "\""));
        }
      }

      var formatted = formatter(message, _objectSpread$1(_objectSpread$1({}, this.values), params));
      return this.messageConstructor(formatted);
    }
    /**
     * Retrieves correct plural form and translates it
     * @param key - translation message key
     * @param number - plural form number
     * @param params - values used to substitute placeholders or tags if necessary,
     * if params has "count" property it will be overridden by number (plural form number)
     */

  }, {
    key: "getPlural",
    value: function getPlural(key, number) {
      var params = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
      var message = this.i18n.getMessage(key);
      var language = this.i18n.getUILanguage();

      if (!message) {
        message = this.i18n.getBaseMessage(key);

        if (!message) {
          throw new Error("Was unable to find message for key: \"".concat(key, "\""));
        }

        language = this.i18n.getBaseUILanguage();
      }

      var form = getForm(message, number, language, key);
      var formatted = formatter(form, _objectSpread$1(_objectSpread$1(_objectSpread$1({}, this.values), params), {}, {
        count: number
      }));
      return this.messageConstructor(formatted);
    }
  }]);

  return Translator;
}();

function ownKeys$2(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread$2(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$2(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$2(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
/**
 * Creates translation function for strings used in the React components
 * We do not import React directly, because translator module can be used
 * in the modules without React too
 *
 * e.g.
 * const translateReact = createReactTranslator(getMessage, React);
 * in locales folder you should have messages.json file
 * ```
 * message:
 *     "popup_auth_agreement_consent": {
 *          "message": "You agree to our <eula>EULA</eula>",
 *      },
 * ```
 *
 * this message can be retrieved and translated into react components next way:
 *
 * const component = translateReact('popup_auth_agreement_consent', {
 *          eula: (chunks) => (
 *              <button
 *                  className="auth__privacy-link"
 *                  onClick={handleEulaClick}
 *              >
 *                  {chunks}
 *              </button>
 *          ),
 *       });
 *
 * Note how functions in the values argument can be used with handlers
 *
 * @param i18n - object with methods which get translated message by key and return current locale
 * @param React - instance of react library
 */

var createReactTranslator = function createReactTranslator(i18n, react, defaults) {
  /**
   * Helps to build nodes without values
   *
   * @param tagName
   * @param children
   */
  var createReactElement = function createReactElement(tagName, children) {
    if (children) {
      return react.createElement(tagName, null, react.Children.toArray(children));
    }

    return react.createElement(tagName, null);
  };
  /**
   * Function creates default values to be used if user didn't provide function values for tags
   */


  var createDefaultValues = function createDefaultValues() {
    var externalDefaults = {};

    if (defaults) {
      defaults.tags.forEach(function (t) {
        externalDefaults[t.key] = function (children) {
          return createReactElement(t.createdTag, children);
        };
      });
    }

    if (defaults !== null && defaults !== void 0 && defaults.override) {
      return externalDefaults;
    }

    return _objectSpread$2({
      p: function p(children) {
        return createReactElement('p', children);
      },
      b: function b(children) {
        return createReactElement('b', children);
      },
      strong: function strong(children) {
        return createReactElement('strong', children);
      },
      tt: function tt(children) {
        return createReactElement('tt', children);
      },
      s: function s(children) {
        return createReactElement('s', children);
      },
      i: function i(children) {
        return createReactElement('i', children);
      }
    }, externalDefaults);
  };

  var reactMessageConstructor = function reactMessageConstructor(formatted) {
    var reactChildren = react.Children.toArray(formatted); // if there is only strings in the array we join them

    if (reactChildren.every(function (child) {
      return typeof child === 'string';
    })) {
      return reactChildren.join('');
    }

    return reactChildren;
  };

  var defaultValues = createDefaultValues();
  return new Translator(i18n, reactMessageConstructor, defaultValues);
};

var r,
    f;

function A(n, l) {
  return l = l || [], null == n || "boolean" == typeof n || (Array.isArray(n) ? n.some(function (n) {
    A(n, l);
  }) : l.push(n)), l;
}

r = "function" == typeof Promise ? Promise.prototype.then.bind(Promise.resolve()) : setTimeout, f = 0;

function ownKeys$3(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread$3(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$3(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$3(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
/**
 * Creates translation function for strings used in the Preact components
 * We do not import Preact directly, because translator module can be used
 * in the modules without Preact too
 *
 * e.g.
 * const translatePreact = createPreactTranslator(getMessage, Preact);
 * in locales folder you should have messages.json file
 * ```
 * message:
 *     "popup_auth_agreement_consent": {
 *          "message": "You agree to our <eula>EULA</eula>",
 *      },
 * ```
 *
 * this message can be retrieved and translated into preact components next way:
 *
 * const component = translatePreact('popup_auth_agreement_consent', {
 *          eula: (chunks) => (
 *              <button
 *                  className="auth__privacy-link"
 *                  onClick={handleEulaClick}
 *              >
 *                  {chunks}
 *              </button>
 *          ),
 *       });
 *
 * Note how functions in the values argument can be used with handlers
 *
 * @param i18n - object with methods which get translated message by key and return current locale
 * @param Preact - instance of preact library
 */

var createPreactTranslator = function createPreactTranslator(i18n, preact, defaults) {
  /**
   * Helps to build nodes without values
   *
   * @param tagName
   * @param children
   */
  var createPreactElement = function createPreactElement(tagName, children) {
    if (children) {
      return preact.createElement(tagName, null, A(children));
    }

    return preact.createElement(tagName, null);
  };
  /**
   * Function creates default values to be used if user didn't provide function values for tags
   */


  var createDefaultValues = function createDefaultValues() {
    var externalDefaults = {};

    if (defaults) {
      defaults.tags.forEach(function (t) {
        externalDefaults[t.key] = function (children) {
          return createPreactElement(t.createdTag, children);
        };
      });
    }

    if (defaults !== null && defaults !== void 0 && defaults.override) {
      return externalDefaults;
    }

    return _objectSpread$3({
      p: function p(children) {
        return createPreactElement('p', children);
      },
      b: function b(children) {
        return createPreactElement('b', children);
      },
      strong: function strong(children) {
        return createPreactElement('strong', children);
      },
      tt: function tt(children) {
        return createPreactElement('tt', children);
      },
      s: function s(children) {
        return createPreactElement('s', children);
      },
      i: function i(children) {
        return createPreactElement('i', children);
      }
    }, externalDefaults);
  };

  var preactMessageConstructor = function preactMessageConstructor(formatted) {
    var preactChildren = A(formatted); // if there is only strings in the array we join them

    if (preactChildren.every(function (child) {
      return typeof child === 'string';
    })) {
      return preactChildren.join('');
    }

    return preactChildren;
  };

  var defaultValues = createDefaultValues();
  return new Translator(i18n, preactMessageConstructor, defaultValues);
};

/**
 * Creates translator instance strings, by default for simple strings
 * @param i18n - function which returns translated message by key
 * @param messageConstructor - function that will collect messages
 * @param values - map with default values for tag converters
 */

var createTranslator = function createTranslator(i18n, messageConstructor, values) {
  return new Translator(i18n, messageConstructor, values);
};

var translate = {
  createTranslator: createTranslator,
  createReactTranslator: createReactTranslator,
  createPreactTranslator: createPreactTranslator
};

function _typeof(obj) {
  "@babel/helpers - typeof";

  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
    _typeof = function _typeof(obj) {
      return typeof obj;
    };
  } else {
    _typeof = function _typeof(obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
    };
  }

  return _typeof(obj);
}

/**
 * Compares two AST (abstract syntax tree) structures,
 * view tests for examples
 * @param baseAst
 * @param targetAst
 */

var areAstStructuresSame = function areAstStructuresSame(baseAst, targetAst) {
  var textNodeFilter = function textNodeFilter(node) {
    return !isTextNode(node);
  };

  var filteredBaseAst = baseAst.filter(textNodeFilter);
  var filteredTargetAst = targetAst.filter(textNodeFilter); // if AST structures have different lengths, they are not equal

  if (filteredBaseAst.length !== filteredTargetAst.length) {
    return false;
  }

  var _loop = function _loop(i) {
    var baseNode = filteredBaseAst[i];
    var targetNode = filteredTargetAst.find(function (node) {
      return node.type === baseNode.type && node.value === baseNode.value;
    });

    if (!targetNode) {
      return {
        v: false
      };
    }

    if (targetNode.children && baseNode.children) {
      var areChildrenSame = areAstStructuresSame(baseNode.children, targetNode.children);

      if (!areChildrenSame) {
        return {
          v: false
        };
      }
    }
  };

  for (var i = 0; i < filteredBaseAst.length; i += 1) {
    var _ret = _loop(i);

    if (_typeof(_ret) === "object") return _ret.v;
  }

  return true;
};
/**
 * Validates translation against base string by AST (abstract syntax tree) structure
 * @param baseMessage - base message
 * @param translatedMessage - translated message
 */


var isTranslationValid = function isTranslationValid(baseMessage, translatedMessage) {
  var baseMessageAst = parser(baseMessage);
  var translatedMessageAst = parser(translatedMessage);
  return areAstStructuresSame(baseMessageAst, translatedMessageAst);
};
var validator = {
  isTranslationValid: isTranslationValid,
  isPluralFormValid: isPluralFormValid
};




/***/ }),

/***/ 6554:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

(function (global, factory) {
	 true ? module.exports = factory() :
	0;
}(this, (function () { 'use strict';

var CLASS = {
    target: 'c3-target',
    chart: 'c3-chart',
    chartLine: 'c3-chart-line',
    chartLines: 'c3-chart-lines',
    chartBar: 'c3-chart-bar',
    chartBars: 'c3-chart-bars',
    chartText: 'c3-chart-text',
    chartTexts: 'c3-chart-texts',
    chartArc: 'c3-chart-arc',
    chartArcs: 'c3-chart-arcs',
    chartArcsTitle: 'c3-chart-arcs-title',
    chartArcsBackground: 'c3-chart-arcs-background',
    chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit',
    chartArcsGaugeMax: 'c3-chart-arcs-gauge-max',
    chartArcsGaugeMin: 'c3-chart-arcs-gauge-min',
    selectedCircle: 'c3-selected-circle',
    selectedCircles: 'c3-selected-circles',
    eventRect: 'c3-event-rect',
    eventRects: 'c3-event-rects',
    eventRectsSingle: 'c3-event-rects-single',
    eventRectsMultiple: 'c3-event-rects-multiple',
    zoomRect: 'c3-zoom-rect',
    brush: 'c3-brush',
    focused: 'c3-focused',
    defocused: 'c3-defocused',
    region: 'c3-region',
    regions: 'c3-regions',
    title: 'c3-title',
    tooltipContainer: 'c3-tooltip-container',
    tooltip: 'c3-tooltip',
    tooltipName: 'c3-tooltip-name',
    shape: 'c3-shape',
    shapes: 'c3-shapes',
    line: 'c3-line',
    lines: 'c3-lines',
    bar: 'c3-bar',
    bars: 'c3-bars',
    circle: 'c3-circle',
    circles: 'c3-circles',
    arc: 'c3-arc',
    arcs: 'c3-arcs',
    area: 'c3-area',
    areas: 'c3-areas',
    empty: 'c3-empty',
    text: 'c3-text',
    texts: 'c3-texts',
    gaugeValue: 'c3-gauge-value',
    grid: 'c3-grid',
    gridLines: 'c3-grid-lines',
    xgrid: 'c3-xgrid',
    xgrids: 'c3-xgrids',
    xgridLine: 'c3-xgrid-line',
    xgridLines: 'c3-xgrid-lines',
    xgridFocus: 'c3-xgrid-focus',
    ygrid: 'c3-ygrid',
    ygrids: 'c3-ygrids',
    ygridLine: 'c3-ygrid-line',
    ygridLines: 'c3-ygrid-lines',
    axis: 'c3-axis',
    axisX: 'c3-axis-x',
    axisXLabel: 'c3-axis-x-label',
    axisY: 'c3-axis-y',
    axisYLabel: 'c3-axis-y-label',
    axisY2: 'c3-axis-y2',
    axisY2Label: 'c3-axis-y2-label',
    legendBackground: 'c3-legend-background',
    legendItem: 'c3-legend-item',
    legendItemEvent: 'c3-legend-item-event',
    legendItemTile: 'c3-legend-item-tile',
    legendItemHidden: 'c3-legend-item-hidden',
    legendItemFocused: 'c3-legend-item-focused',
    dragarea: 'c3-dragarea',
    EXPANDED: '_expanded_',
    SELECTED: '_selected_',
    INCLUDED: '_included_'
};

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};

var isValue = function isValue(v) {
    return v || v === 0;
};
var isFunction = function isFunction(o) {
    return typeof o === 'function';
};
var isArray = function isArray(o) {
    return Array.isArray(o);
};
var isString = function isString(o) {
    return typeof o === 'string';
};
var isUndefined = function isUndefined(v) {
    return typeof v === 'undefined';
};
var isDefined = function isDefined(v) {
    return typeof v !== 'undefined';
};
var ceil10 = function ceil10(v) {
    return Math.ceil(v / 10) * 10;
};
var asHalfPixel = function asHalfPixel(n) {
    return Math.ceil(n) + 0.5;
};
var diffDomain = function diffDomain(d) {
    return d[1] - d[0];
};
var isEmpty = function isEmpty(o) {
    return typeof o === 'undefined' || o === null || isString(o) && o.length === 0 || (typeof o === 'undefined' ? 'undefined' : _typeof(o)) === 'object' && Object.keys(o).length === 0;
};
var notEmpty = function notEmpty(o) {
    return !c3_chart_internal_fn.isEmpty(o);
};
var getOption = function getOption(options, key, defaultValue) {
    return isDefined(options[key]) ? options[key] : defaultValue;
};
var hasValue = function hasValue(dict, value) {
    var found = false;
    Object.keys(dict).forEach(function (key) {
        if (dict[key] === value) {
            found = true;
        }
    });
    return found;
};
var sanitise = function sanitise(str) {
    return typeof str === 'string' ? str.replace(/</g, '&lt;').replace(/>/g, '&gt;') : str;
};
var getPathBox = function getPathBox(path) {
    var box = path.getBoundingClientRect(),
        items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
        minX = items[0].x,
        minY = Math.min(items[0].y, items[1].y);
    return { x: minX, y: minY, width: box.width, height: box.height };
};

// Features:
// 1. category axis
// 2. ceil values of translate/x/y to int for half pixel antialiasing
// 3. multiline tick text
var tickTextCharSize;
function c3_axis(d3, params) {
    var scale = d3.scale.linear(),
        orient = "bottom",
        innerTickSize = 6,
        outerTickSize,
        tickPadding = 3,
        tickValues = null,
        tickFormat,
        tickArguments;

    var tickOffset = 0,
        tickCulling = true,
        tickCentered;

    params = params || {};
    outerTickSize = params.withOuterTick ? 6 : 0;

    function axisX(selection, x) {
        selection.attr("transform", function (d) {
            return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)";
        });
    }
    function axisY(selection, y) {
        selection.attr("transform", function (d) {
            return "translate(0," + Math.ceil(y(d)) + ")";
        });
    }
    function scaleExtent(domain) {
        var start = domain[0],
            stop = domain[domain.length - 1];
        return start < stop ? [start, stop] : [stop, start];
    }
    function generateTicks(scale) {
        var i,
            domain,
            ticks = [];
        if (scale.ticks) {
            return scale.ticks.apply(scale, tickArguments);
        }
        domain = scale.domain();
        for (i = Math.ceil(domain[0]); i < domain[1]; i++) {
            ticks.push(i);
        }
        if (ticks.length > 0 && ticks[0] > 0) {
            ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));
        }
        return ticks;
    }
    function copyScale() {
        var newScale = scale.copy(),
            domain;
        if (params.isCategory) {
            domain = scale.domain();
            newScale.domain([domain[0], domain[1] - 1]);
        }
        return newScale;
    }
    function textFormatted(v) {
        var formatted = tickFormat ? tickFormat(v) : v;
        return typeof formatted !== 'undefined' ? formatted : '';
    }
    function getSizeFor1Char(tick) {
        if (tickTextCharSize) {
            return tickTextCharSize;
        }
        var size = {
            h: 11.5,
            w: 5.5
        };
        tick.select('text').text(textFormatted).each(function (d) {
            var box = this.getBoundingClientRect(),
                text = textFormatted(d),
                h = box.height,
                w = text ? box.width / text.length : undefined;
            if (h && w) {
                size.h = h;
                size.w = w;
            }
        }).text('');
        tickTextCharSize = size;
        return size;
    }
    function transitionise(selection) {
        return params.withoutTransition ? selection : d3.transition(selection);
    }
    function axis(g) {
        g.each(function () {
            var g = axis.g = d3.select(this);

            var scale0 = this.__chart__ || scale,
                scale1 = this.__chart__ = copyScale();

            var ticks = tickValues ? tickValues : generateTicks(scale1),
                tick = g.selectAll(".tick").data(ticks, scale1),
                tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),

            // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
            tickExit = tick.exit().remove(),
                tickUpdate = transitionise(tick).style("opacity", 1),
                tickTransform,
                tickX,
                tickY;

            var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
                path = g.selectAll(".domain").data([0]),
                pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path));
            tickEnter.append("line");
            tickEnter.append("text");

            var lineEnter = tickEnter.select("line"),
                lineUpdate = tickUpdate.select("line"),
                textEnter = tickEnter.select("text"),
                textUpdate = tickUpdate.select("text");

            if (params.isCategory) {
                tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
                tickX = tickCentered ? 0 : tickOffset;
                tickY = tickCentered ? tickOffset : 0;
            } else {
                tickOffset = tickX = 0;
            }

            var text,
                tspan,
                sizeFor1Char = getSizeFor1Char(g.select('.tick')),
                counts = [];
            var tickLength = Math.max(innerTickSize, 0) + tickPadding,
                isVertical = orient === 'left' || orient === 'right';

            // this should be called only when category axis
            function splitTickText(d, maxWidth) {
                var tickText = textFormatted(d),
                    subtext,
                    spaceIndex,
                    textWidth,
                    splitted = [];

                if (Object.prototype.toString.call(tickText) === "[object Array]") {
                    return tickText;
                }

                if (!maxWidth || maxWidth <= 0) {
                    maxWidth = isVertical ? 95 : params.isCategory ? Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12 : 110;
                }

                function split(splitted, text) {
                    spaceIndex = undefined;
                    for (var i = 1; i < text.length; i++) {
                        if (text.charAt(i) === ' ') {
                            spaceIndex = i;
                        }
                        subtext = text.substr(0, i + 1);
                        textWidth = sizeFor1Char.w * subtext.length;
                        // if text width gets over tick width, split by space index or crrent index
                        if (maxWidth < textWidth) {
                            return split(splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)), text.slice(spaceIndex ? spaceIndex + 1 : i));
                        }
                    }
                    return splitted.concat(text);
                }

                return split(splitted, tickText + "");
            }

            function tspanDy(d, i) {
                var dy = sizeFor1Char.h;
                if (i === 0) {
                    if (orient === 'left' || orient === 'right') {
                        dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 3);
                    } else {
                        dy = ".71em";
                    }
                }
                return dy;
            }

            function tickSize(d) {
                var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset);
                return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
            }

            text = tick.select("text");
            tspan = text.selectAll('tspan').data(function (d, i) {
                var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d));
                counts[i] = splitted.length;
                return splitted.map(function (s) {
                    return { index: i, splitted: s };
                });
            });
            tspan.enter().append('tspan');
            tspan.exit().remove();
            tspan.text(function (d) {
                return d.splitted;
            });

            var rotate = params.tickTextRotate;

            function textAnchorForText(rotate) {
                if (!rotate) {
                    return 'middle';
                }
                return rotate > 0 ? "start" : "end";
            }
            function textTransform(rotate) {
                if (!rotate) {
                    return '';
                }
                return "rotate(" + rotate + ")";
            }
            function dxForText(rotate) {
                if (!rotate) {
                    return 0;
                }
                return 8 * Math.sin(Math.PI * (rotate / 180));
            }
            function yForText(rotate) {
                if (!rotate) {
                    return tickLength;
                }
                return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1);
            }

            switch (orient) {
                case "bottom":
                    {
                        tickTransform = axisX;
                        lineEnter.attr("y2", innerTickSize);
                        textEnter.attr("y", tickLength);
                        lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
                        textUpdate.attr("x", 0).attr("y", yForText(rotate)).style("text-anchor", textAnchorForText(rotate)).attr("transform", textTransform(rotate));
                        tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate));
                        pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
                        break;
                    }
                case "top":
                    {
                        // TODO: rotated tick text
                        tickTransform = axisX;
                        lineEnter.attr("y2", -innerTickSize);
                        textEnter.attr("y", -tickLength);
                        lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
                        textUpdate.attr("x", 0).attr("y", -tickLength);
                        text.style("text-anchor", "middle");
                        tspan.attr('x', 0).attr("dy", "0em");
                        pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
                        break;
                    }
                case "left":
                    {
                        tickTransform = axisY;
                        lineEnter.attr("x2", -innerTickSize);
                        textEnter.attr("x", -tickLength);
                        lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY);
                        textUpdate.attr("x", -tickLength).attr("y", tickOffset);
                        text.style("text-anchor", "end");
                        tspan.attr('x', -tickLength).attr("dy", tspanDy);
                        pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
                        break;
                    }
                case "right":
                    {
                        tickTransform = axisY;
                        lineEnter.attr("x2", innerTickSize);
                        textEnter.attr("x", tickLength);
                        lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
                        textUpdate.attr("x", tickLength).attr("y", 0);
                        text.style("text-anchor", "start");
                        tspan.attr('x', tickLength).attr("dy", tspanDy);
                        pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize);
                        break;
                    }
            }
            if (scale1.rangeBand) {
                var x = scale1,
                    dx = x.rangeBand() / 2;
                scale0 = scale1 = function scale1(d) {
                    return x(d) + dx;
                };
            } else if (scale0.rangeBand) {
                scale0 = scale1;
            } else {
                tickExit.call(tickTransform, scale1);
            }
            tickEnter.call(tickTransform, scale0);
            tickUpdate.call(tickTransform, scale1);
        });
    }
    axis.scale = function (x) {
        if (!arguments.length) {
            return scale;
        }
        scale = x;
        return axis;
    };
    axis.orient = function (x) {
        if (!arguments.length) {
            return orient;
        }
        orient = x in { top: 1, right: 1, bottom: 1, left: 1 } ? x + "" : "bottom";
        return axis;
    };
    axis.tickFormat = function (format) {
        if (!arguments.length) {
            return tickFormat;
        }
        tickFormat = format;
        return axis;
    };
    axis.tickCentered = function (isCentered) {
        if (!arguments.length) {
            return tickCentered;
        }
        tickCentered = isCentered;
        return axis;
    };
    axis.tickOffset = function () {
        return tickOffset;
    };
    axis.tickInterval = function () {
        var interval, length;
        if (params.isCategory) {
            interval = tickOffset * 2;
        } else {
            length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2;
            interval = length / axis.g.selectAll('line').size();
        }
        return interval === Infinity ? 0 : interval;
    };
    axis.ticks = function () {
        if (!arguments.length) {
            return tickArguments;
        }
        tickArguments = arguments;
        return axis;
    };
    axis.tickCulling = function (culling) {
        if (!arguments.length) {
            return tickCulling;
        }
        tickCulling = culling;
        return axis;
    };
    axis.tickValues = function (x) {
        if (typeof x === 'function') {
            tickValues = function tickValues() {
                return x(scale.domain());
            };
        } else {
            if (!arguments.length) {
                return tickValues;
            }
            tickValues = x;
        }
        return axis;
    };
    return axis;
}

function Axis(owner) {
    API.call(this, owner);
}

inherit(API, Axis);

Axis.prototype.init = function init() {

    var $$ = this.owner,
        config = $$.config,
        main = $$.main;
    $$.axes.x = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisX).attr("clip-path", $$.clipPathForXAxis).attr("transform", $$.getTranslate('x')).style("visibility", config.axis_x_show ? 'visible' : 'hidden');
    $$.axes.x.append("text").attr("class", CLASS.axisXLabel).attr("transform", config.axis_rotated ? "rotate(-90)" : "").style("text-anchor", this.textAnchorForXAxisLabel.bind(this));
    $$.axes.y = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY).attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis).attr("transform", $$.getTranslate('y')).style("visibility", config.axis_y_show ? 'visible' : 'hidden');
    $$.axes.y.append("text").attr("class", CLASS.axisYLabel).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForYAxisLabel.bind(this));

    $$.axes.y2 = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY2
    // clip-path?
    ).attr("transform", $$.getTranslate('y2')).style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
    $$.axes.y2.append("text").attr("class", CLASS.axisY2Label).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
};
Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
    var $$ = this.owner,
        config = $$.config,
        axisParams = {
        isCategory: $$.isCategorized(),
        withOuterTick: withOuterTick,
        tickMultiline: config.axis_x_tick_multiline,
        tickWidth: config.axis_x_tick_width,
        tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
        withoutTransition: withoutTransition
    },
        axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient);

    if ($$.isTimeSeries() && tickValues && typeof tickValues !== "function") {
        tickValues = tickValues.map(function (v) {
            return $$.parseDate(v);
        });
    }

    // Set tick
    axis.tickFormat(tickFormat).tickValues(tickValues);
    if ($$.isCategorized()) {
        axis.tickCentered(config.axis_x_tick_centered);
        if (isEmpty(config.axis_x_tick_culling)) {
            config.axis_x_tick_culling = false;
        }
    }

    return axis;
};
Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) {
    var $$ = this.owner,
        config = $$.config,
        tickValues;
    if (config.axis_x_tick_fit || config.axis_x_tick_count) {
        tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());
    }
    if (axis) {
        axis.tickValues(tickValues);
    } else {
        $$.xAxis.tickValues(tickValues);
        $$.subXAxis.tickValues(tickValues);
    }
    return tickValues;
};
Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
    var $$ = this.owner,
        config = $$.config,
        axisParams = {
        withOuterTick: withOuterTick,
        withoutTransition: withoutTransition,
        tickTextRotate: withoutRotateTickText ? 0 : config.axis_y_tick_rotate
    },
        axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient).tickFormat(tickFormat);
    if ($$.isTimeSeriesY()) {
        axis.ticks($$.d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval);
    } else {
        axis.tickValues(tickValues);
    }
    return axis;
};
Axis.prototype.getId = function getId(id) {
    var config = this.owner.config;
    return id in config.data_axes ? config.data_axes[id] : 'y';
};
Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() {
    var $$ = this.owner,
        config = $$.config,
        format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) {
        return v < 0 ? v.toFixed(0) : v;
    };
    if (config.axis_x_tick_format) {
        if (isFunction(config.axis_x_tick_format)) {
            format = config.axis_x_tick_format;
        } else if ($$.isTimeSeries()) {
            format = function format(date) {
                return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : "";
            };
        }
    }
    return isFunction(format) ? function (v) {
        return format.call($$, v);
    } : format;
};
Axis.prototype.getTickValues = function getTickValues(tickValues, axis) {
    return tickValues ? tickValues : axis ? axis.tickValues() : undefined;
};
Axis.prototype.getXAxisTickValues = function getXAxisTickValues() {
    return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis);
};
Axis.prototype.getYAxisTickValues = function getYAxisTickValues() {
    return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis);
};
Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() {
    return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis);
};
Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) {
    var $$ = this.owner,
        config = $$.config,
        option;
    if (axisId === 'y') {
        option = config.axis_y_label;
    } else if (axisId === 'y2') {
        option = config.axis_y2_label;
    } else if (axisId === 'x') {
        option = config.axis_x_label;
    }
    return option;
};
Axis.prototype.getLabelText = function getLabelText(axisId) {
    var option = this.getLabelOptionByAxisId(axisId);
    return isString(option) ? option : option ? option.text : null;
};
Axis.prototype.setLabelText = function setLabelText(axisId, text) {
    var $$ = this.owner,
        config = $$.config,
        option = this.getLabelOptionByAxisId(axisId);
    if (isString(option)) {
        if (axisId === 'y') {
            config.axis_y_label = text;
        } else if (axisId === 'y2') {
            config.axis_y2_label = text;
        } else if (axisId === 'x') {
            config.axis_x_label = text;
        }
    } else if (option) {
        option.text = text;
    }
};
Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) {
    var option = this.getLabelOptionByAxisId(axisId),
        position = option && (typeof option === 'undefined' ? 'undefined' : _typeof(option)) === 'object' && option.position ? option.position : defaultPosition;
    return {
        isInner: position.indexOf('inner') >= 0,
        isOuter: position.indexOf('outer') >= 0,
        isLeft: position.indexOf('left') >= 0,
        isCenter: position.indexOf('center') >= 0,
        isRight: position.indexOf('right') >= 0,
        isTop: position.indexOf('top') >= 0,
        isMiddle: position.indexOf('middle') >= 0,
        isBottom: position.indexOf('bottom') >= 0
    };
};
Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() {
    return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right');
};
Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() {
    return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
};
Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() {
    return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
};
Axis.prototype.getLabelPositionById = function getLabelPositionById(id) {
    return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
};
Axis.prototype.textForXAxisLabel = function textForXAxisLabel() {
    return this.getLabelText('x');
};
Axis.prototype.textForYAxisLabel = function textForYAxisLabel() {
    return this.getLabelText('y');
};
Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() {
    return this.getLabelText('y2');
};
Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) {
    var $$ = this.owner;
    if (forHorizontal) {
        return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
    } else {
        return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
    }
};
Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) {
    if (forHorizontal) {
        return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
    } else {
        return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
    }
};
Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) {
    if (forHorizontal) {
        return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
    } else {
        return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
    }
};
Axis.prototype.xForXAxisLabel = function xForXAxisLabel() {
    return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.xForYAxisLabel = function xForYAxisLabel() {
    return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() {
    return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() {
    return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() {
    return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() {
    return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() {
    var $$ = this.owner,
        config = $$.config,
        position = this.getXAxisLabelPosition();
    if (config.axis_rotated) {
        return position.isInner ? "1.2em" : -25 - this.getMaxTickWidth('x');
    } else {
        return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em";
    }
};
Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() {
    var $$ = this.owner,
        position = this.getYAxisLabelPosition();
    if ($$.config.axis_rotated) {
        return position.isInner ? "-0.5em" : "3em";
    } else {
        return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : this.getMaxTickWidth('y') + 10);
    }
};
Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() {
    var $$ = this.owner,
        position = this.getY2AxisLabelPosition();
    if ($$.config.axis_rotated) {
        return position.isInner ? "1.2em" : "-2.2em";
    } else {
        return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : this.getMaxTickWidth('y2') + 15);
    }
};
Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() {
    var $$ = this.owner;
    return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() {
    var $$ = this.owner;
    return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {
    var $$ = this.owner;
    return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
    var $$ = this.owner,
        config = $$.config,
        maxWidth = 0,
        targetsToShow,
        scale,
        axis,
        dummy,
        svg;
    if (withoutRecompute && $$.currentMaxTickWidths[id]) {
        return $$.currentMaxTickWidths[id];
    }
    if ($$.svg) {
        targetsToShow = $$.filterTargetsToShow($$.data.targets);
        if (id === 'y') {
            scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
            axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true, true);
        } else if (id === 'y2') {
            scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
            axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true, true);
        } else {
            scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
            axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
            this.updateXAxisTickValues(targetsToShow, axis);
        }
        dummy = $$.d3.select('body').append('div').classed('c3', true);
        svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), svg.append('g').call(axis).each(function () {
            $$.d3.select(this).selectAll('text').each(function () {
                var box = this.getBoundingClientRect();
                if (maxWidth < box.width) {
                    maxWidth = box.width;
                }
            });
            dummy.remove();
        });
    }
    $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
    return $$.currentMaxTickWidths[id];
};

Axis.prototype.updateLabels = function updateLabels(withTransition) {
    var $$ = this.owner;
    var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel),
        axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel),
        axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);
    (withTransition ? axisXLabel.transition() : axisXLabel).attr("x", this.xForXAxisLabel.bind(this)).attr("dx", this.dxForXAxisLabel.bind(this)).attr("dy", this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this));
    (withTransition ? axisYLabel.transition() : axisYLabel).attr("x", this.xForYAxisLabel.bind(this)).attr("dx", this.dxForYAxisLabel.bind(this)).attr("dy", this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this));
    (withTransition ? axisY2Label.transition() : axisY2Label).attr("x", this.xForY2AxisLabel.bind(this)).attr("dx", this.dxForY2AxisLabel.bind(this)).attr("dy", this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this));
};
Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) {
    var p = typeof padding === 'number' ? padding : padding[key];
    if (!isValue(p)) {
        return defaultValue;
    }
    if (padding.unit === 'ratio') {
        return padding[key] * domainLength;
    }
    // assume padding is pixels if unit is not specified
    return this.convertPixelsToAxisPadding(p, domainLength);
};
Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) {
    var $$ = this.owner,
        length = $$.config.axis_rotated ? $$.width : $$.height;
    return domainLength * (pixels / length);
};
Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) {
    var tickValues = values,
        targetCount,
        start,
        end,
        count,
        interval,
        i,
        tickValue;
    if (tickCount) {
        targetCount = isFunction(tickCount) ? tickCount() : tickCount;
        // compute ticks according to tickCount
        if (targetCount === 1) {
            tickValues = [values[0]];
        } else if (targetCount === 2) {
            tickValues = [values[0], values[values.length - 1]];
        } else if (targetCount > 2) {
            count = targetCount - 2;
            start = values[0];
            end = values[values.length - 1];
            interval = (end - start) / (count + 1);
            // re-construct unique values
            tickValues = [start];
            for (i = 0; i < count; i++) {
                tickValue = +start + interval * (i + 1);
                tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);
            }
            tickValues.push(end);
        }
    }
    if (!forTimeSeries) {
        tickValues = tickValues.sort(function (a, b) {
            return a - b;
        });
    }
    return tickValues;
};
Axis.prototype.generateTransitions = function generateTransitions(duration) {
    var $$ = this.owner,
        axes = $$.axes;
    return {
        axisX: duration ? axes.x.transition().duration(duration) : axes.x,
        axisY: duration ? axes.y.transition().duration(duration) : axes.y,
        axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,
        axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
    };
};
Axis.prototype.redraw = function redraw(transitions, isHidden) {
    var $$ = this.owner;
    $$.axes.x.style("opacity", isHidden ? 0 : 1);
    $$.axes.y.style("opacity", isHidden ? 0 : 1);
    $$.axes.y2.style("opacity", isHidden ? 0 : 1);
    $$.axes.subx.style("opacity", isHidden ? 0 : 1);
    transitions.axisX.call($$.xAxis);
    transitions.axisY.call($$.yAxis);
    transitions.axisY2.call($$.y2Axis);
    transitions.axisSubX.call($$.subXAxis);
};

var c3$1 = { version: "0.4.15" };

var c3_chart_fn;
var c3_chart_internal_fn;
var c3_chart_internal_axis_fn;

function API(owner) {
    this.owner = owner;
}

function inherit(base, derived) {

    if (Object.create) {
        derived.prototype = Object.create(base.prototype);
    } else {
        var f = function f() {};
        f.prototype = base.prototype;
        derived.prototype = new f();
    }

    derived.prototype.constructor = derived;

    return derived;
}

function Chart(config) {
    var $$ = this.internal = new ChartInternal(this);
    $$.loadConfig(config);

    $$.beforeInit(config);
    $$.init();
    $$.afterInit(config);

    // bind "this" to nested API
    (function bindThis(fn, target, argThis) {
        Object.keys(fn).forEach(function (key) {
            target[key] = fn[key].bind(argThis);
            if (Object.keys(fn[key]).length > 0) {
                bindThis(fn[key], target[key], argThis);
            }
        });
    })(c3_chart_fn, this, this);
}

function ChartInternal(api) {
    var $$ = this;
    $$.d3 = window.d3 ? window.d3 :  true ? __webpack_require__(4361) : 0;
    $$.api = api;
    $$.config = $$.getDefaultConfig();
    $$.data = {};
    $$.cache = {};
    $$.axes = {};
}

c3$1.generate = function (config) {
    return new Chart(config);
};

c3$1.chart = {
    fn: Chart.prototype,
    internal: {
        fn: ChartInternal.prototype,
        axis: {
            fn: Axis.prototype
        }
    }
};
c3_chart_fn = c3$1.chart.fn;
c3_chart_internal_fn = c3$1.chart.internal.fn;
c3_chart_internal_axis_fn = c3$1.chart.internal.axis.fn;

c3_chart_internal_fn.beforeInit = function () {
    // can do something
};
c3_chart_internal_fn.afterInit = function () {
    // can do something
};
c3_chart_internal_fn.init = function () {
    var $$ = this,
        config = $$.config;

    $$.initParams();

    if (config.data_url) {
        $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_headers, config.data_keys, $$.initWithData);
    } else if (config.data_json) {
        $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));
    } else if (config.data_rows) {
        $$.initWithData($$.convertRowsToData(config.data_rows));
    } else if (config.data_columns) {
        $$.initWithData($$.convertColumnsToData(config.data_columns));
    } else {
        throw Error('url or json or rows or columns is required.');
    }
};

c3_chart_internal_fn.initParams = function () {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config;

    // MEMO: clipId needs to be unique because it conflicts when multiple charts exist
    $$.clipId = "c3-" + +new Date() + '-clip', $$.clipIdForXAxis = $$.clipId + '-xaxis', $$.clipIdForYAxis = $$.clipId + '-yaxis', $$.clipIdForGrid = $$.clipId + '-grid', $$.clipIdForSubchart = $$.clipId + '-subchart', $$.clipPath = $$.getClipPath($$.clipId), $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis), $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis);
    $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid), $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart), $$.dragStart = null;
    $$.dragging = false;
    $$.flowing = false;
    $$.cancelClick = false;
    $$.mouseover = false;
    $$.transiting = false;

    $$.color = $$.generateColor();
    $$.levelColor = $$.generateLevelColor();

    $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc;
    $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc;
    $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([[".%L", function (d) {
        return d.getMilliseconds();
    }], [":%S", function (d) {
        return d.getSeconds();
    }], ["%I:%M", function (d) {
        return d.getMinutes();
    }], ["%I %p", function (d) {
        return d.getHours();
    }], ["%-m/%-d", function (d) {
        return d.getDay() && d.getDate() !== 1;
    }], ["%-m/%-d", function (d) {
        return d.getDate() !== 1;
    }], ["%-m/%-d", function (d) {
        return d.getMonth();
    }], ["%Y/%-m/%-d", function () {
        return true;
    }]]);

    $$.hiddenTargetIds = [];
    $$.hiddenLegendIds = [];
    $$.focusedTargetIds = [];
    $$.defocusedTargetIds = [];

    $$.xOrient = config.axis_rotated ? "left" : "bottom";
    $$.yOrient = config.axis_rotated ? config.axis_y_inner ? "top" : "bottom" : config.axis_y_inner ? "right" : "left";
    $$.y2Orient = config.axis_rotated ? config.axis_y2_inner ? "bottom" : "top" : config.axis_y2_inner ? "left" : "right";
    $$.subXOrient = config.axis_rotated ? "left" : "bottom";

    $$.isLegendRight = config.legend_position === 'right';
    $$.isLegendInset = config.legend_position === 'inset';
    $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right';
    $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left';
    $$.legendStep = 0;
    $$.legendItemWidth = 0;
    $$.legendItemHeight = 0;

    $$.currentMaxTickWidths = {
        x: 0,
        y: 0,
        y2: 0
    };

    $$.rotated_padding_left = 30;
    $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
    $$.rotated_padding_top = 5;

    $$.withoutFadeIn = {};

    $$.intervalForObserveInserted = undefined;

    $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
};

c3_chart_internal_fn.initChartElements = function () {
    if (this.initBar) {
        this.initBar();
    }
    if (this.initLine) {
        this.initLine();
    }
    if (this.initArc) {
        this.initArc();
    }
    if (this.initGauge) {
        this.initGauge();
    }
    if (this.initText) {
        this.initText();
    }
};

c3_chart_internal_fn.initWithData = function (data) {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config;
    var defs,
        main,
        binding = true;

    $$.axis = new Axis($$);

    if ($$.initPie) {
        $$.initPie();
    }
    if ($$.initBrush) {
        $$.initBrush();
    }
    if ($$.initZoom) {
        $$.initZoom();
    }

    if (!config.bindto) {
        $$.selectChart = d3.selectAll([]);
    } else if (typeof config.bindto.node === 'function') {
        $$.selectChart = config.bindto;
    } else {
        $$.selectChart = d3.select(config.bindto);
    }
    if ($$.selectChart.empty()) {
        $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
        $$.observeInserted($$.selectChart);
        binding = false;
    }
    $$.selectChart.html("").classed("c3", true);

    // Init data as targets
    $$.data.xs = {};
    $$.data.targets = $$.convertDataToTargets(data);

    if (config.data_filter) {
        $$.data.targets = $$.data.targets.filter(config.data_filter);
    }

    // Set targets to hide if needed
    if (config.data_hide) {
        $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
    }
    if (config.legend_hide) {
        $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide);
    }

    // when gauge, hide legend // TODO: fix
    if ($$.hasType('gauge')) {
        config.legend_show = false;
    }

    // Init sizes and scales
    $$.updateSizes();
    $$.updateScales();

    // Set domains for each scale
    $$.x.domain(d3.extent($$.getXDomain($$.data.targets)));
    $$.y.domain($$.getYDomain($$.data.targets, 'y'));
    $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
    $$.subX.domain($$.x.domain());
    $$.subY.domain($$.y.domain());
    $$.subY2.domain($$.y2.domain());

    // Save original x domain for zoom update
    $$.orgXDomain = $$.x.domain();

    // Set initialized scales to brush and zoom
    if ($$.brush) {
        $$.brush.scale($$.subX);
    }
    if (config.zoom_enabled) {
        $$.zoom.scale($$.x);
    }

    /*-- Basic Elements --*/

    // Define svgs
    $$.svg = $$.selectChart.append("svg").style("overflow", "hidden").on('mouseenter', function () {
        return config.onmouseover.call($$);
    }).on('mouseleave', function () {
        return config.onmouseout.call($$);
    });

    if ($$.config.svg_classname) {
        $$.svg.attr('class', $$.config.svg_classname);
    }

    // Define defs
    defs = $$.svg.append("defs");
    $$.clipChart = $$.appendClip(defs, $$.clipId);
    $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
    $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
    $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
    $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
    $$.updateSvgSize();

    // Define regions
    main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));

    if ($$.initSubchart) {
        $$.initSubchart();
    }
    if ($$.initTooltip) {
        $$.initTooltip();
    }
    if ($$.initLegend) {
        $$.initLegend();
    }
    if ($$.initTitle) {
        $$.initTitle();
    }

    /*-- Main Region --*/

    // text when empty
    main.append("text").attr("class", CLASS.text + ' ' + CLASS.empty).attr("text-anchor", "middle" // horizontal centering of text at x position in all browsers.
    ).attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.

    // Regions
    $$.initRegion();

    // Grids
    $$.initGrid();

    // Define g for chart area
    main.append('g').attr("clip-path", $$.clipPath).attr('class', CLASS.chart);

    // Grid lines
    if (config.grid_lines_front) {
        $$.initGridLines();
    }

    // Cover whole with rects for events
    $$.initEventRect();

    // Define g for chart
    $$.initChartElements();

    // if zoom privileged, insert rect to forefront
    // TODO: is this needed?
    main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions).attr('class', CLASS.zoomRect).attr('width', $$.width).attr('height', $$.height).style('opacity', 0).on("dblclick.zoom", null);

    // Set default extent if defined
    if (config.axis_x_extent) {
        $$.brush.extent($$.getDefaultExtent());
    }

    // Add Axis
    $$.axis.init();

    // Set targets
    $$.updateTargets($$.data.targets);

    // Draw with targets
    if (binding) {
        $$.updateDimension();
        $$.config.oninit.call($$);
        $$.redraw({
            withTransition: false,
            withTransform: true,
            withUpdateXDomain: true,
            withUpdateOrgXDomain: true,
            withTransitionForAxis: false
        });
    }

    // Bind resize event
    $$.bindResize();

    // export element of the chart
    $$.api.element = $$.selectChart.node();
};

c3_chart_internal_fn.smoothLines = function (el, type) {
    var $$ = this;
    if (type === 'grid') {
        el.each(function () {
            var g = $$.d3.select(this),
                x1 = g.attr('x1'),
                x2 = g.attr('x2'),
                y1 = g.attr('y1'),
                y2 = g.attr('y2');
            g.attr({
                'x1': Math.ceil(x1),
                'x2': Math.ceil(x2),
                'y1': Math.ceil(y1),
                'y2': Math.ceil(y2)
            });
        });
    }
};

c3_chart_internal_fn.updateSizes = function () {
    var $$ = this,
        config = $$.config;
    var legendHeight = $$.legend ? $$.getLegendHeight() : 0,
        legendWidth = $$.legend ? $$.getLegendWidth() : 0,
        legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight,
        hasArc = $$.hasArcType(),
        xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'),
        subchartHeight = config.subchart_show && !hasArc ? config.subchart_size_height + xAxisHeight : 0;

    $$.currentWidth = $$.getCurrentWidth();
    $$.currentHeight = $$.getCurrentHeight();

    // for main
    $$.margin = config.axis_rotated ? {
        top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),
        right: hasArc ? 0 : $$.getCurrentPaddingRight(),
        bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(),
        left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())
    } : {
        top: 4 + $$.getCurrentPaddingTop(), // for top tick text
        right: hasArc ? 0 : $$.getCurrentPaddingRight(),
        bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(),
        left: hasArc ? 0 : $$.getCurrentPaddingLeft()
    };

    // for subchart
    $$.margin2 = config.axis_rotated ? {
        top: $$.margin.top,
        right: NaN,
        bottom: 20 + legendHeightForBottom,
        left: $$.rotated_padding_left
    } : {
        top: $$.currentHeight - subchartHeight - legendHeightForBottom,
        right: NaN,
        bottom: xAxisHeight + legendHeightForBottom,
        left: $$.margin.left
    };

    // for legend
    $$.margin3 = {
        top: 0,
        right: NaN,
        bottom: 0,
        left: 0
    };
    if ($$.updateSizeForLegend) {
        $$.updateSizeForLegend(legendHeight, legendWidth);
    }

    $$.width = $$.currentWidth - $$.margin.left - $$.margin.right;
    $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;
    if ($$.width < 0) {
        $$.width = 0;
    }
    if ($$.height < 0) {
        $$.height = 0;
    }

    $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width;
    $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;
    if ($$.width2 < 0) {
        $$.width2 = 0;
    }
    if ($$.height2 < 0) {
        $$.height2 = 0;
    }

    // for arc
    $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);
    $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);
    if ($$.hasType('gauge') && !config.gauge_fullCircle) {
        $$.arcHeight += $$.height - $$.getGaugeLabelHeight();
    }
    if ($$.updateRadius) {
        $$.updateRadius();
    }

    if ($$.isLegendRight && hasArc) {
        $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
    }
};

c3_chart_internal_fn.updateTargets = function (targets) {
    var $$ = this;

    /*-- Main --*/

    //-- Text --//
    $$.updateTargetsForText(targets);

    //-- Bar --//
    $$.updateTargetsForBar(targets);

    //-- Line --//
    $$.updateTargetsForLine(targets);

    //-- Arc --//
    if ($$.hasArcType() && $$.updateTargetsForArc) {
        $$.updateTargetsForArc(targets);
    }

    /*-- Sub --*/

    if ($$.updateTargetsForSubchart) {
        $$.updateTargetsForSubchart(targets);
    }

    // Fade-in each chart
    $$.showTargets();
};
c3_chart_internal_fn.showTargets = function () {
    var $$ = this;
    $$.svg.selectAll('.' + CLASS.target).filter(function (d) {
        return $$.isTargetToShow(d.id);
    }).transition().duration($$.config.transition_duration).style("opacity", 1);
};

c3_chart_internal_fn.redraw = function (options, transitions) {
    var $$ = this,
        main = $$.main,
        d3 = $$.d3,
        config = $$.config;
    var areaIndices = $$.getShapeIndices($$.isAreaType),
        barIndices = $$.getShapeIndices($$.isBarType),
        lineIndices = $$.getShapeIndices($$.isLineType);
    var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis, withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend, withEventRect, withDimension, withUpdateXAxis;
    var hideAxis = $$.hasArcType();
    var drawArea, drawBar, drawLine, xForText, yForText;
    var duration, durationForExit, durationForAxis;
    var waitForDraw, flow;
    var targetsToShow = $$.filterTargetsToShow($$.data.targets),
        tickValues,
        i,
        intervalForCulling,
        xDomainForZoom;
    var xv = $$.xv.bind($$),
        cx,
        cy;

    options = options || {};
    withY = getOption(options, "withY", true);
    withSubchart = getOption(options, "withSubchart", true);
    withTransition = getOption(options, "withTransition", true);
    withTransform = getOption(options, "withTransform", false);
    withUpdateXDomain = getOption(options, "withUpdateXDomain", false);
    withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false);
    withTrimXDomain = getOption(options, "withTrimXDomain", true);
    withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain);
    withLegend = getOption(options, "withLegend", false);
    withEventRect = getOption(options, "withEventRect", true);
    withDimension = getOption(options, "withDimension", true);
    withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
    withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);

    duration = withTransition ? config.transition_duration : 0;
    durationForExit = withTransitionForExit ? duration : 0;
    durationForAxis = withTransitionForAxis ? duration : 0;

    transitions = transitions || $$.axis.generateTransitions(durationForAxis);

    // update legend and transform each g
    if (withLegend && config.legend_show) {
        $$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
    } else if (withDimension) {
        // need to update dimension (e.g. axis.y.tick.values) because y tick values should change
        // no need to update axis in it because they will be updated in redraw()
        $$.updateDimension(true);
    }

    // MEMO: needed for grids calculation
    if ($$.isCategorized() && targetsToShow.length === 0) {
        $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);
    }

    if (targetsToShow.length) {
        $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);
        if (!config.axis_x_tick_values) {
            tickValues = $$.axis.updateXAxisTickValues(targetsToShow);
        }
    } else {
        $$.xAxis.tickValues([]);
        $$.subXAxis.tickValues([]);
    }

    if (config.zoom_rescale && !options.flow) {
        xDomainForZoom = $$.x.orgDomain();
    }

    $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));
    $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));

    if (!config.axis_y_tick_values && config.axis_y_tick_count) {
        $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count));
    }
    if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {
        $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));
    }

    // axes
    $$.axis.redraw(transitions, hideAxis);

    // Update axis label
    $$.axis.updateLabels(withTransition);

    // show/hide if manual culling needed
    if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {
        if (config.axis_x_tick_culling && tickValues) {
            for (i = 1; i < tickValues.length; i++) {
                if (tickValues.length / i < config.axis_x_tick_culling_max) {
                    intervalForCulling = i;
                    break;
                }
            }
            $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {
                var index = tickValues.indexOf(e);
                if (index >= 0) {
                    d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
                }
            });
        } else {
            $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
        }
    }

    // setup drawer - MEMO: these must be called after axis updated
    drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined;
    drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;
    drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined;
    xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
    yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);

    // Update sub domain
    if (withY) {
        $$.subY.domain($$.getYDomain(targetsToShow, 'y'));
        $$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));
    }

    // xgrid focus
    $$.updateXgridFocus();

    // Data empty label positioning and text.
    main.select("text." + CLASS.text + '.' + CLASS.empty).attr("x", $$.width / 2).attr("y", $$.height / 2).text(config.data_empty_label_text).transition().style('opacity', targetsToShow.length ? 0 : 1);

    // grid
    $$.updateGrid(duration);

    // rect for regions
    $$.updateRegion(duration);

    // bars
    $$.updateBar(durationForExit);

    // lines, areas and cricles
    $$.updateLine(durationForExit);
    $$.updateArea(durationForExit);
    $$.updateCircle();

    // text
    if ($$.hasDataLabel()) {
        $$.updateText(durationForExit);
    }

    // title
    if ($$.redrawTitle) {
        $$.redrawTitle();
    }

    // arc
    if ($$.redrawArc) {
        $$.redrawArc(duration, durationForExit, withTransform);
    }

    // subchart
    if ($$.redrawSubchart) {
        $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);
    }

    // circles for select
    main.selectAll('.' + CLASS.selectedCircles).filter($$.isBarType.bind($$)).selectAll('circle').remove();

    // event rects will redrawn when flow called
    if (config.interaction_enabled && !options.flow && withEventRect) {
        $$.redrawEventRect();
        if ($$.updateZoom) {
            $$.updateZoom();
        }
    }

    // update circleY based on updated parameters
    $$.updateCircleY();

    // generate circle x/y functions depending on updated params
    cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
    cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);

    if (options.flow) {
        flow = $$.generateFlow({
            targets: targetsToShow,
            flow: options.flow,
            duration: options.flow.duration,
            drawBar: drawBar,
            drawLine: drawLine,
            drawArea: drawArea,
            cx: cx,
            cy: cy,
            xv: xv,
            xForText: xForText,
            yForText: yForText
        });
    }

    if ((duration || flow) && $$.isTabVisible()) {
        // Only use transition if tab visible. See #938.
        // transition should be derived from one transition
        d3.transition().duration(duration).each(function () {
            var transitionsToWait = [];

            // redraw and gather transitions
            [$$.redrawBar(drawBar, true), $$.redrawLine(drawLine, true), $$.redrawArea(drawArea, true), $$.redrawCircle(cx, cy, true), $$.redrawText(xForText, yForText, options.flow, true), $$.redrawRegion(true), $$.redrawGrid(true)].forEach(function (transitions) {
                transitions.forEach(function (transition) {
                    transitionsToWait.push(transition);
                });
            });

            // Wait for end of transitions to call flow and onrendered callback
            waitForDraw = $$.generateWait();
            transitionsToWait.forEach(function (t) {
                waitForDraw.add(t);
            });
        }).call(waitForDraw, function () {
            if (flow) {
                flow();
            }
            if (config.onrendered) {
                config.onrendered.call($$);
            }
        });
    } else {
        $$.redrawBar(drawBar);
        $$.redrawLine(drawLine);
        $$.redrawArea(drawArea);
        $$.redrawCircle(cx, cy);
        $$.redrawText(xForText, yForText, options.flow);
        $$.redrawRegion();
        $$.redrawGrid();
        if (config.onrendered) {
            config.onrendered.call($$);
        }
    }

    // update fadein condition
    $$.mapToIds($$.data.targets).forEach(function (id) {
        $$.withoutFadeIn[id] = true;
    });
};

c3_chart_internal_fn.updateAndRedraw = function (options) {
    var $$ = this,
        config = $$.config,
        transitions;
    options = options || {};
    // same with redraw
    options.withTransition = getOption(options, "withTransition", true);
    options.withTransform = getOption(options, "withTransform", false);
    options.withLegend = getOption(options, "withLegend", false);
    // NOT same with redraw
    options.withUpdateXDomain = true;
    options.withUpdateOrgXDomain = true;
    options.withTransitionForExit = false;
    options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
    // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
    $$.updateSizes();
    // MEMO: called in updateLegend in redraw if withLegend
    if (!(options.withLegend && config.legend_show)) {
        transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
        // Update scales
        $$.updateScales();
        $$.updateSvgSize();
        // Update g positions
        $$.transformAll(options.withTransitionForTransform, transitions);
    }
    // Draw with new sizes & scales
    $$.redraw(options, transitions);
};
c3_chart_internal_fn.redrawWithoutRescale = function () {
    this.redraw({
        withY: false,
        withSubchart: false,
        withEventRect: false,
        withTransitionForAxis: false
    });
};

c3_chart_internal_fn.isTimeSeries = function () {
    return this.config.axis_x_type === 'timeseries';
};
c3_chart_internal_fn.isCategorized = function () {
    return this.config.axis_x_type.indexOf('categor') >= 0;
};
c3_chart_internal_fn.isCustomX = function () {
    var $$ = this,
        config = $$.config;
    return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
};

c3_chart_internal_fn.isTimeSeriesY = function () {
    return this.config.axis_y_type === 'timeseries';
};

c3_chart_internal_fn.getTranslate = function (target) {
    var $$ = this,
        config = $$.config,
        x,
        y;
    if (target === 'main') {
        x = asHalfPixel($$.margin.left);
        y = asHalfPixel($$.margin.top);
    } else if (target === 'context') {
        x = asHalfPixel($$.margin2.left);
        y = asHalfPixel($$.margin2.top);
    } else if (target === 'legend') {
        x = $$.margin3.left;
        y = $$.margin3.top;
    } else if (target === 'x') {
        x = 0;
        y = config.axis_rotated ? 0 : $$.height;
    } else if (target === 'y') {
        x = 0;
        y = config.axis_rotated ? $$.height : 0;
    } else if (target === 'y2') {
        x = config.axis_rotated ? 0 : $$.width;
        y = config.axis_rotated ? 1 : 0;
    } else if (target === 'subx') {
        x = 0;
        y = config.axis_rotated ? 0 : $$.height2;
    } else if (target === 'arc') {
        x = $$.arcWidth / 2;
        y = $$.arcHeight / 2;
    }
    return "translate(" + x + "," + y + ")";
};
c3_chart_internal_fn.initialOpacity = function (d) {
    return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;
};
c3_chart_internal_fn.initialOpacityForCircle = function (d) {
    return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0;
};
c3_chart_internal_fn.opacityForCircle = function (d) {
    var isPointShouldBeShown = isFunction(this.config.point_show) ? this.config.point_show(d) : this.config.point_show;
    var opacity = isPointShouldBeShown ? 1 : 0;
    return isValue(d.value) ? this.isScatterType(d) ? 0.5 : opacity : 0;
};
c3_chart_internal_fn.opacityForText = function () {
    return this.hasDataLabel() ? 1 : 0;
};
c3_chart_internal_fn.xx = function (d) {
    return d ? this.x(d.x) : null;
};
c3_chart_internal_fn.xv = function (d) {
    var $$ = this,
        value = d.value;
    if ($$.isTimeSeries()) {
        value = $$.parseDate(d.value);
    } else if ($$.isCategorized() && typeof d.value === 'string') {
        value = $$.config.axis_x_categories.indexOf(d.value);
    }
    return Math.ceil($$.x(value));
};
c3_chart_internal_fn.yv = function (d) {
    var $$ = this,
        yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;
    return Math.ceil(yScale(d.value));
};
c3_chart_internal_fn.subxx = function (d) {
    return d ? this.subX(d.x) : null;
};

c3_chart_internal_fn.transformMain = function (withTransition, transitions) {
    var $$ = this,
        xAxis,
        yAxis,
        y2Axis;
    if (transitions && transitions.axisX) {
        xAxis = transitions.axisX;
    } else {
        xAxis = $$.main.select('.' + CLASS.axisX);
        if (withTransition) {
            xAxis = xAxis.transition();
        }
    }
    if (transitions && transitions.axisY) {
        yAxis = transitions.axisY;
    } else {
        yAxis = $$.main.select('.' + CLASS.axisY);
        if (withTransition) {
            yAxis = yAxis.transition();
        }
    }
    if (transitions && transitions.axisY2) {
        y2Axis = transitions.axisY2;
    } else {
        y2Axis = $$.main.select('.' + CLASS.axisY2);
        if (withTransition) {
            y2Axis = y2Axis.transition();
        }
    }
    (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main'));
    xAxis.attr("transform", $$.getTranslate('x'));
    yAxis.attr("transform", $$.getTranslate('y'));
    y2Axis.attr("transform", $$.getTranslate('y2'));
    $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
};
c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
    var $$ = this;
    $$.transformMain(withTransition, transitions);
    if ($$.config.subchart_show) {
        $$.transformContext(withTransition, transitions);
    }
    if ($$.legend) {
        $$.transformLegend(withTransition);
    }
};

c3_chart_internal_fn.updateSvgSize = function () {
    var $$ = this,
        brush = $$.svg.select(".c3-brush .background");
    $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
    $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect').attr('width', $$.width).attr('height', $$.height);
    $$.svg.select('#' + $$.clipIdForXAxis).select('rect').attr('x', $$.getXAxisClipX.bind($$)).attr('y', $$.getXAxisClipY.bind($$)).attr('width', $$.getXAxisClipWidth.bind($$)).attr('height', $$.getXAxisClipHeight.bind($$));
    $$.svg.select('#' + $$.clipIdForYAxis).select('rect').attr('x', $$.getYAxisClipX.bind($$)).attr('y', $$.getYAxisClipY.bind($$)).attr('width', $$.getYAxisClipWidth.bind($$)).attr('height', $$.getYAxisClipHeight.bind($$));
    $$.svg.select('#' + $$.clipIdForSubchart).select('rect').attr('width', $$.width).attr('height', brush.size() ? brush.attr('height') : 0);
    $$.svg.select('.' + CLASS.zoomRect).attr('width', $$.width).attr('height', $$.height);
    // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
    $$.selectChart.style('max-height', $$.currentHeight + "px");
};

c3_chart_internal_fn.updateDimension = function (withoutAxis) {
    var $$ = this;
    if (!withoutAxis) {
        if ($$.config.axis_rotated) {
            $$.axes.x.call($$.xAxis);
            $$.axes.subx.call($$.subXAxis);
        } else {
            $$.axes.y.call($$.yAxis);
            $$.axes.y2.call($$.y2Axis);
        }
    }
    $$.updateSizes();
    $$.updateScales();
    $$.updateSvgSize();
    $$.transformAll(false);
};

c3_chart_internal_fn.observeInserted = function (selection) {
    var $$ = this,
        observer;
    if (typeof MutationObserver === 'undefined') {
        window.console.error("MutationObserver not defined.");
        return;
    }
    observer = new MutationObserver(function (mutations) {
        mutations.forEach(function (mutation) {
            if (mutation.type === 'childList' && mutation.previousSibling) {
                observer.disconnect();
                // need to wait for completion of load because size calculation requires the actual sizes determined after that completion
                $$.intervalForObserveInserted = window.setInterval(function () {
                    // parentNode will NOT be null when completed
                    if (selection.node().parentNode) {
                        window.clearInterval($$.intervalForObserveInserted);
                        $$.updateDimension();
                        if ($$.brush) {
                            $$.brush.update();
                        }
                        $$.config.oninit.call($$);
                        $$.redraw({
                            withTransform: true,
                            withUpdateXDomain: true,
                            withUpdateOrgXDomain: true,
                            withTransition: false,
                            withTransitionForTransform: false,
                            withLegend: true
                        });
                        selection.transition().style('opacity', 1);
                    }
                }, 10);
            }
        });
    });
    observer.observe(selection.node(), { attributes: true, childList: true, characterData: true });
};

c3_chart_internal_fn.bindResize = function () {
    var $$ = this,
        config = $$.config;

    $$.resizeFunction = $$.generateResize();

    $$.resizeFunction.add(function () {
        config.onresize.call($$);
    });
    if (config.resize_auto) {
        $$.resizeFunction.add(function () {
            if ($$.resizeTimeout !== undefined) {
                window.clearTimeout($$.resizeTimeout);
            }
            $$.resizeTimeout = window.setTimeout(function () {
                delete $$.resizeTimeout;
                $$.api.flush();
            }, 100);
        });
    }
    $$.resizeFunction.add(function () {
        config.onresized.call($$);
    });

    if (window.attachEvent) {
        window.attachEvent('onresize', $$.resizeFunction);
    } else if (window.addEventListener) {
        window.addEventListener('resize', $$.resizeFunction, false);
    } else {
        // fallback to this, if this is a very old browser
        var wrapper = window.onresize;
        if (!wrapper) {
            // create a wrapper that will call all charts
            wrapper = $$.generateResize();
        } else if (!wrapper.add || !wrapper.remove) {
            // there is already a handler registered, make sure we call it too
            wrapper = $$.generateResize();
            wrapper.add(window.onresize);
        }
        // add this graph to the wrapper, we will be removed if the user calls destroy
        wrapper.add($$.resizeFunction);
        window.onresize = wrapper;
    }
};

c3_chart_internal_fn.generateResize = function () {
    var resizeFunctions = [];
    function callResizeFunctions() {
        resizeFunctions.forEach(function (f) {
            f();
        });
    }
    callResizeFunctions.add = function (f) {
        resizeFunctions.push(f);
    };
    callResizeFunctions.remove = function (f) {
        for (var i = 0; i < resizeFunctions.length; i++) {
            if (resizeFunctions[i] === f) {
                resizeFunctions.splice(i, 1);
                break;
            }
        }
    };
    return callResizeFunctions;
};

c3_chart_internal_fn.endall = function (transition, callback) {
    var n = 0;
    transition.each(function () {
        ++n;
    }).each("end", function () {
        if (! --n) {
            callback.apply(this, arguments);
        }
    });
};
c3_chart_internal_fn.generateWait = function () {
    var transitionsToWait = [],
        f = function f(transition, callback) {
        var timer = setInterval(function () {
            var done = 0;
            transitionsToWait.forEach(function (t) {
                if (t.empty()) {
                    done += 1;
                    return;
                }
                try {
                    t.transition();
                } catch (e) {
                    done += 1;
                }
            });
            if (done === transitionsToWait.length) {
                clearInterval(timer);
                if (callback) {
                    callback();
                }
            }
        }, 10);
    };
    f.add = function (transition) {
        transitionsToWait.push(transition);
    };
    return f;
};

c3_chart_internal_fn.parseDate = function (date) {
    var $$ = this,
        parsedDate;
    if (date instanceof Date) {
        parsedDate = date;
    } else if (typeof date === 'string') {
        parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
    } else if ((typeof date === 'undefined' ? 'undefined' : _typeof(date)) === 'object') {
        parsedDate = new Date(+date);
    } else if (typeof date === 'number' && !isNaN(date)) {
        parsedDate = new Date(+date);
    }
    if (!parsedDate || isNaN(+parsedDate)) {
        window.console.error("Failed to parse x '" + date + "' to Date object");
    }
    return parsedDate;
};

c3_chart_internal_fn.isTabVisible = function () {
    var hidden;
    if (typeof document.hidden !== "undefined") {
        // Opera 12.10 and Firefox 18 and later support
        hidden = "hidden";
    } else if (typeof document.mozHidden !== "undefined") {
        hidden = "mozHidden";
    } else if (typeof document.msHidden !== "undefined") {
        hidden = "msHidden";
    } else if (typeof document.webkitHidden !== "undefined") {
        hidden = "webkitHidden";
    }

    return document[hidden] ? false : true;
};

c3_chart_internal_fn.isValue = isValue;
c3_chart_internal_fn.isFunction = isFunction;
c3_chart_internal_fn.isString = isString;
c3_chart_internal_fn.isUndefined = isUndefined;
c3_chart_internal_fn.isDefined = isDefined;
c3_chart_internal_fn.ceil10 = ceil10;
c3_chart_internal_fn.asHalfPixel = asHalfPixel;
c3_chart_internal_fn.diffDomain = diffDomain;
c3_chart_internal_fn.isEmpty = isEmpty;
c3_chart_internal_fn.notEmpty = notEmpty;
c3_chart_internal_fn.notEmpty = notEmpty;
c3_chart_internal_fn.getOption = getOption;
c3_chart_internal_fn.hasValue = hasValue;
c3_chart_internal_fn.sanitise = sanitise;
c3_chart_internal_fn.getPathBox = getPathBox;
c3_chart_internal_fn.CLASS = CLASS;

/* jshint ignore:start */

// PhantomJS doesn't have support for Function.prototype.bind, which has caused confusion. Use
// this polyfill to avoid the confusion.
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill

if (!Function.prototype.bind) {
    Function.prototype.bind = function (oThis) {
        if (typeof this !== 'function') {
            // closest thing possible to the ECMAScript 5
            // internal IsCallable function
            throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
        }

        var aArgs = Array.prototype.slice.call(arguments, 1),
            fToBind = this,
            fNOP = function fNOP() {},
            fBound = function fBound() {
            return fToBind.apply(this instanceof fNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)));
        };

        fNOP.prototype = this.prototype;
        fBound.prototype = new fNOP();

        return fBound;
    };
}

// SVGPathSeg API polyfill
// https://github.com/progers/pathseg
//
// This is a drop-in replacement for the SVGPathSeg and SVGPathSegList APIs that were removed from
// SVG2 (https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html), including the latest spec
// changes which were implemented in Firefox 43 and Chrome 46.

(function () {
    "use strict";

    if (!("SVGPathSeg" in window)) {
        // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
        window.SVGPathSeg = function (type, typeAsLetter, owningPathSegList) {
            this.pathSegType = type;
            this.pathSegTypeAsLetter = typeAsLetter;
            this._owningPathSegList = owningPathSegList;
        };

        window.SVGPathSeg.prototype.classname = "SVGPathSeg";

        window.SVGPathSeg.PATHSEG_UNKNOWN = 0;
        window.SVGPathSeg.PATHSEG_CLOSEPATH = 1;
        window.SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
        window.SVGPathSeg.PATHSEG_MOVETO_REL = 3;
        window.SVGPathSeg.PATHSEG_LINETO_ABS = 4;
        window.SVGPathSeg.PATHSEG_LINETO_REL = 5;
        window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;
        window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;
        window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;
        window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;
        window.SVGPathSeg.PATHSEG_ARC_ABS = 10;
        window.SVGPathSeg.PATHSEG_ARC_REL = 11;
        window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;
        window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;
        window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;
        window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;
        window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;
        window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;
        window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
        window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;

        // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
        window.SVGPathSeg.prototype._segmentChanged = function () {
            if (this._owningPathSegList) this._owningPathSegList.segmentChanged(this);
        };

        window.SVGPathSegClosePath = function (owningPathSegList) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CLOSEPATH, "z", owningPathSegList);
        };
        window.SVGPathSegClosePath.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegClosePath.prototype.toString = function () {
            return "[object SVGPathSegClosePath]";
        };
        window.SVGPathSegClosePath.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter;
        };
        window.SVGPathSegClosePath.prototype.clone = function () {
            return new window.SVGPathSegClosePath(undefined);
        };

        window.SVGPathSegMovetoAbs = function (owningPathSegList, x, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_ABS, "M", owningPathSegList);
            this._x = x;
            this._y = y;
        };
        window.SVGPathSegMovetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegMovetoAbs.prototype.toString = function () {
            return "[object SVGPathSegMovetoAbs]";
        };
        window.SVGPathSegMovetoAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
        };
        window.SVGPathSegMovetoAbs.prototype.clone = function () {
            return new window.SVGPathSegMovetoAbs(undefined, this._x, this._y);
        };
        Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegMovetoRel = function (owningPathSegList, x, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_REL, "m", owningPathSegList);
            this._x = x;
            this._y = y;
        };
        window.SVGPathSegMovetoRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegMovetoRel.prototype.toString = function () {
            return "[object SVGPathSegMovetoRel]";
        };
        window.SVGPathSegMovetoRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
        };
        window.SVGPathSegMovetoRel.prototype.clone = function () {
            return new window.SVGPathSegMovetoRel(undefined, this._x, this._y);
        };
        Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegLinetoAbs = function (owningPathSegList, x, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_ABS, "L", owningPathSegList);
            this._x = x;
            this._y = y;
        };
        window.SVGPathSegLinetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegLinetoAbs.prototype.toString = function () {
            return "[object SVGPathSegLinetoAbs]";
        };
        window.SVGPathSegLinetoAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
        };
        window.SVGPathSegLinetoAbs.prototype.clone = function () {
            return new window.SVGPathSegLinetoAbs(undefined, this._x, this._y);
        };
        Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegLinetoRel = function (owningPathSegList, x, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_REL, "l", owningPathSegList);
            this._x = x;
            this._y = y;
        };
        window.SVGPathSegLinetoRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegLinetoRel.prototype.toString = function () {
            return "[object SVGPathSegLinetoRel]";
        };
        window.SVGPathSegLinetoRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
        };
        window.SVGPathSegLinetoRel.prototype.clone = function () {
            return new window.SVGPathSegLinetoRel(undefined, this._x, this._y);
        };
        Object.defineProperty(window.SVGPathSegLinetoRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegLinetoRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoCubicAbs = function (owningPathSegList, x, y, x1, y1, x2, y2) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, "C", owningPathSegList);
            this._x = x;
            this._y = y;
            this._x1 = x1;
            this._y1 = y1;
            this._x2 = x2;
            this._y2 = y2;
        };
        window.SVGPathSegCurvetoCubicAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoCubicAbs.prototype.toString = function () {
            return "[object SVGPathSegCurvetoCubicAbs]";
        };
        window.SVGPathSegCurvetoCubicAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoCubicAbs.prototype.clone = function () {
            return new window.SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
        };
        Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x1", { get: function get() {
                return this._x1;
            }, set: function set(x1) {
                this._x1 = x1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y1", { get: function get() {
                return this._y1;
            }, set: function set(y1) {
                this._y1 = y1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x2", { get: function get() {
                return this._x2;
            }, set: function set(x2) {
                this._x2 = x2;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y2", { get: function get() {
                return this._y2;
            }, set: function set(y2) {
                this._y2 = y2;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoCubicRel = function (owningPathSegList, x, y, x1, y1, x2, y2) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, "c", owningPathSegList);
            this._x = x;
            this._y = y;
            this._x1 = x1;
            this._y1 = y1;
            this._x2 = x2;
            this._y2 = y2;
        };
        window.SVGPathSegCurvetoCubicRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoCubicRel.prototype.toString = function () {
            return "[object SVGPathSegCurvetoCubicRel]";
        };
        window.SVGPathSegCurvetoCubicRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoCubicRel.prototype.clone = function () {
            return new window.SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
        };
        Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x1", { get: function get() {
                return this._x1;
            }, set: function set(x1) {
                this._x1 = x1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y1", { get: function get() {
                return this._y1;
            }, set: function set(y1) {
                this._y1 = y1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x2", { get: function get() {
                return this._x2;
            }, set: function set(x2) {
                this._x2 = x2;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y2", { get: function get() {
                return this._y2;
            }, set: function set(y2) {
                this._y2 = y2;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoQuadraticAbs = function (owningPathSegList, x, y, x1, y1) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, "Q", owningPathSegList);
            this._x = x;
            this._y = y;
            this._x1 = x1;
            this._y1 = y1;
        };
        window.SVGPathSegCurvetoQuadraticAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoQuadraticAbs.prototype.toString = function () {
            return "[object SVGPathSegCurvetoQuadraticAbs]";
        };
        window.SVGPathSegCurvetoQuadraticAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoQuadraticAbs.prototype.clone = function () {
            return new window.SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
        };
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x1", { get: function get() {
                return this._x1;
            }, set: function set(x1) {
                this._x1 = x1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "y1", { get: function get() {
                return this._y1;
            }, set: function set(y1) {
                this._y1 = y1;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoQuadraticRel = function (owningPathSegList, x, y, x1, y1) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, "q", owningPathSegList);
            this._x = x;
            this._y = y;
            this._x1 = x1;
            this._y1 = y1;
        };
        window.SVGPathSegCurvetoQuadraticRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoQuadraticRel.prototype.toString = function () {
            return "[object SVGPathSegCurvetoQuadraticRel]";
        };
        window.SVGPathSegCurvetoQuadraticRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoQuadraticRel.prototype.clone = function () {
            return new window.SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
        };
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x1", { get: function get() {
                return this._x1;
            }, set: function set(x1) {
                this._x1 = x1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "y1", { get: function get() {
                return this._y1;
            }, set: function set(y1) {
                this._y1 = y1;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegArcAbs = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_ABS, "A", owningPathSegList);
            this._x = x;
            this._y = y;
            this._r1 = r1;
            this._r2 = r2;
            this._angle = angle;
            this._largeArcFlag = largeArcFlag;
            this._sweepFlag = sweepFlag;
        };
        window.SVGPathSegArcAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegArcAbs.prototype.toString = function () {
            return "[object SVGPathSegArcAbs]";
        };
        window.SVGPathSegArcAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y;
        };
        window.SVGPathSegArcAbs.prototype.clone = function () {
            return new window.SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
        };
        Object.defineProperty(window.SVGPathSegArcAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r1", { get: function get() {
                return this._r1;
            }, set: function set(r1) {
                this._r1 = r1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r2", { get: function get() {
                return this._r2;
            }, set: function set(r2) {
                this._r2 = r2;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcAbs.prototype, "angle", { get: function get() {
                return this._angle;
            }, set: function set(angle) {
                this._angle = angle;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcAbs.prototype, "largeArcFlag", { get: function get() {
                return this._largeArcFlag;
            }, set: function set(largeArcFlag) {
                this._largeArcFlag = largeArcFlag;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcAbs.prototype, "sweepFlag", { get: function get() {
                return this._sweepFlag;
            }, set: function set(sweepFlag) {
                this._sweepFlag = sweepFlag;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegArcRel = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_REL, "a", owningPathSegList);
            this._x = x;
            this._y = y;
            this._r1 = r1;
            this._r2 = r2;
            this._angle = angle;
            this._largeArcFlag = largeArcFlag;
            this._sweepFlag = sweepFlag;
        };
        window.SVGPathSegArcRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegArcRel.prototype.toString = function () {
            return "[object SVGPathSegArcRel]";
        };
        window.SVGPathSegArcRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y;
        };
        window.SVGPathSegArcRel.prototype.clone = function () {
            return new window.SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
        };
        Object.defineProperty(window.SVGPathSegArcRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcRel.prototype, "r1", { get: function get() {
                return this._r1;
            }, set: function set(r1) {
                this._r1 = r1;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcRel.prototype, "r2", { get: function get() {
                return this._r2;
            }, set: function set(r2) {
                this._r2 = r2;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcRel.prototype, "angle", { get: function get() {
                return this._angle;
            }, set: function set(angle) {
                this._angle = angle;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcRel.prototype, "largeArcFlag", { get: function get() {
                return this._largeArcFlag;
            }, set: function set(largeArcFlag) {
                this._largeArcFlag = largeArcFlag;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegArcRel.prototype, "sweepFlag", { get: function get() {
                return this._sweepFlag;
            }, set: function set(sweepFlag) {
                this._sweepFlag = sweepFlag;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegLinetoHorizontalAbs = function (owningPathSegList, x) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, "H", owningPathSegList);
            this._x = x;
        };
        window.SVGPathSegLinetoHorizontalAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegLinetoHorizontalAbs.prototype.toString = function () {
            return "[object SVGPathSegLinetoHorizontalAbs]";
        };
        window.SVGPathSegLinetoHorizontalAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x;
        };
        window.SVGPathSegLinetoHorizontalAbs.prototype.clone = function () {
            return new window.SVGPathSegLinetoHorizontalAbs(undefined, this._x);
        };
        Object.defineProperty(window.SVGPathSegLinetoHorizontalAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegLinetoHorizontalRel = function (owningPathSegList, x) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, "h", owningPathSegList);
            this._x = x;
        };
        window.SVGPathSegLinetoHorizontalRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegLinetoHorizontalRel.prototype.toString = function () {
            return "[object SVGPathSegLinetoHorizontalRel]";
        };
        window.SVGPathSegLinetoHorizontalRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x;
        };
        window.SVGPathSegLinetoHorizontalRel.prototype.clone = function () {
            return new window.SVGPathSegLinetoHorizontalRel(undefined, this._x);
        };
        Object.defineProperty(window.SVGPathSegLinetoHorizontalRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegLinetoVerticalAbs = function (owningPathSegList, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, "V", owningPathSegList);
            this._y = y;
        };
        window.SVGPathSegLinetoVerticalAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegLinetoVerticalAbs.prototype.toString = function () {
            return "[object SVGPathSegLinetoVerticalAbs]";
        };
        window.SVGPathSegLinetoVerticalAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._y;
        };
        window.SVGPathSegLinetoVerticalAbs.prototype.clone = function () {
            return new window.SVGPathSegLinetoVerticalAbs(undefined, this._y);
        };
        Object.defineProperty(window.SVGPathSegLinetoVerticalAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegLinetoVerticalRel = function (owningPathSegList, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, "v", owningPathSegList);
            this._y = y;
        };
        window.SVGPathSegLinetoVerticalRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegLinetoVerticalRel.prototype.toString = function () {
            return "[object SVGPathSegLinetoVerticalRel]";
        };
        window.SVGPathSegLinetoVerticalRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._y;
        };
        window.SVGPathSegLinetoVerticalRel.prototype.clone = function () {
            return new window.SVGPathSegLinetoVerticalRel(undefined, this._y);
        };
        Object.defineProperty(window.SVGPathSegLinetoVerticalRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoCubicSmoothAbs = function (owningPathSegList, x, y, x2, y2) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, "S", owningPathSegList);
            this._x = x;
            this._y = y;
            this._x2 = x2;
            this._y2 = y2;
        };
        window.SVGPathSegCurvetoCubicSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoCubicSmoothAbs.prototype.toString = function () {
            return "[object SVGPathSegCurvetoCubicSmoothAbs]";
        };
        window.SVGPathSegCurvetoCubicSmoothAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoCubicSmoothAbs.prototype.clone = function () {
            return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
        };
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "x2", { get: function get() {
                return this._x2;
            }, set: function set(x2) {
                this._x2 = x2;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "y2", { get: function get() {
                return this._y2;
            }, set: function set(y2) {
                this._y2 = y2;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoCubicSmoothRel = function (owningPathSegList, x, y, x2, y2) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, "s", owningPathSegList);
            this._x = x;
            this._y = y;
            this._x2 = x2;
            this._y2 = y2;
        };
        window.SVGPathSegCurvetoCubicSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoCubicSmoothRel.prototype.toString = function () {
            return "[object SVGPathSegCurvetoCubicSmoothRel]";
        };
        window.SVGPathSegCurvetoCubicSmoothRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoCubicSmoothRel.prototype.clone = function () {
            return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
        };
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "x2", { get: function get() {
                return this._x2;
            }, set: function set(x2) {
                this._x2 = x2;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "y2", { get: function get() {
                return this._y2;
            }, set: function set(y2) {
                this._y2 = y2;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoQuadraticSmoothAbs = function (owningPathSegList, x, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, "T", owningPathSegList);
            this._x = x;
            this._y = y;
        };
        window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.toString = function () {
            return "[object SVGPathSegCurvetoQuadraticSmoothAbs]";
        };
        window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.clone = function () {
            return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
        };
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        window.SVGPathSegCurvetoQuadraticSmoothRel = function (owningPathSegList, x, y) {
            window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, "t", owningPathSegList);
            this._x = x;
            this._y = y;
        };
        window.SVGPathSegCurvetoQuadraticSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype);
        window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.toString = function () {
            return "[object SVGPathSegCurvetoQuadraticSmoothRel]";
        };
        window.SVGPathSegCurvetoQuadraticSmoothRel.prototype._asPathString = function () {
            return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
        };
        window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.clone = function () {
            return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
        };
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, "x", { get: function get() {
                return this._x;
            }, set: function set(x) {
                this._x = x;this._segmentChanged();
            }, enumerable: true });
        Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, "y", { get: function get() {
                return this._y;
            }, set: function set(y) {
                this._y = y;this._segmentChanged();
            }, enumerable: true });

        // Add createSVGPathSeg* functions to window.SVGPathElement.
        // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-Interfacewindow.SVGPathElement.
        window.SVGPathElement.prototype.createSVGPathSegClosePath = function () {
            return new window.SVGPathSegClosePath(undefined);
        };
        window.SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
            return new window.SVGPathSegMovetoAbs(undefined, x, y);
        };
        window.SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
            return new window.SVGPathSegMovetoRel(undefined, x, y);
        };
        window.SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
            return new window.SVGPathSegLinetoAbs(undefined, x, y);
        };
        window.SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
            return new window.SVGPathSegLinetoRel(undefined, x, y);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
            return new window.SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
            return new window.SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
            return new window.SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
            return new window.SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
        };
        window.SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
            return new window.SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
        };
        window.SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
            return new window.SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
        };
        window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
            return new window.SVGPathSegLinetoHorizontalAbs(undefined, x);
        };
        window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
            return new window.SVGPathSegLinetoHorizontalRel(undefined, x);
        };
        window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
            return new window.SVGPathSegLinetoVerticalAbs(undefined, y);
        };
        window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
            return new window.SVGPathSegLinetoVerticalRel(undefined, y);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
            return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
            return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
            return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
        };
        window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
            return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
        };

        if (!("getPathSegAtLength" in window.SVGPathElement.prototype)) {
            // Add getPathSegAtLength to SVGPathElement.
            // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength
            // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.
            window.SVGPathElement.prototype.getPathSegAtLength = function (distance) {
                if (distance === undefined || !isFinite(distance)) throw "Invalid arguments.";

                var measurementElement = document.createElementNS("http://www.w3.org/2000/svg", "path");
                measurementElement.setAttribute("d", this.getAttribute("d"));
                var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;

                // If the path is empty, return 0.
                if (lastPathSegment <= 0) return 0;

                do {
                    measurementElement.pathSegList.removeItem(lastPathSegment);
                    if (distance > measurementElement.getTotalLength()) break;
                    lastPathSegment--;
                } while (lastPathSegment > 0);
                return lastPathSegment;
            };
        }
    }

    if (!("SVGPathSegList" in window)) {
        // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
        window.SVGPathSegList = function (pathElement) {
            this._pathElement = pathElement;
            this._list = this._parsePath(this._pathElement.getAttribute("d"));

            // Use a MutationObserver to catch changes to the path's "d" attribute.
            this._mutationObserverConfig = { "attributes": true, "attributeFilter": ["d"] };
            this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
        };

        window.SVGPathSegList.prototype.classname = "SVGPathSegList";

        Object.defineProperty(window.SVGPathSegList.prototype, "numberOfItems", {
            get: function get() {
                this._checkPathSynchronizedToList();
                return this._list.length;
            },
            enumerable: true
        });

        // Add the pathSegList accessors to window.SVGPathElement.
        // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
        Object.defineProperty(window.SVGPathElement.prototype, "pathSegList", {
            get: function get() {
                if (!this._pathSegList) this._pathSegList = new window.SVGPathSegList(this);
                return this._pathSegList;
            },
            enumerable: true
        });
        // FIXME: The following are not implemented and simply return window.SVGPathElement.pathSegList.
        Object.defineProperty(window.SVGPathElement.prototype, "normalizedPathSegList", { get: function get() {
                return this.pathSegList;
            }, enumerable: true });
        Object.defineProperty(window.SVGPathElement.prototype, "animatedPathSegList", { get: function get() {
                return this.pathSegList;
            }, enumerable: true });
        Object.defineProperty(window.SVGPathElement.prototype, "animatedNormalizedPathSegList", { get: function get() {
                return this.pathSegList;
            }, enumerable: true });

        // Process any pending mutations to the path element and update the list as needed.
        // This should be the first call of all public functions and is needed because
        // MutationObservers are not synchronous so we can have pending asynchronous mutations.
        window.SVGPathSegList.prototype._checkPathSynchronizedToList = function () {
            this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
        };

        window.SVGPathSegList.prototype._updateListFromPathMutations = function (mutationRecords) {
            if (!this._pathElement) return;
            var hasPathMutations = false;
            mutationRecords.forEach(function (record) {
                if (record.attributeName == "d") hasPathMutations = true;
            });
            if (hasPathMutations) this._list = this._parsePath(this._pathElement.getAttribute("d"));
        };

        // Serialize the list and update the path's 'd' attribute.
        window.SVGPathSegList.prototype._writeListToPath = function () {
            this._pathElementMutationObserver.disconnect();
            this._pathElement.setAttribute("d", window.SVGPathSegList._pathSegArrayAsString(this._list));
            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
        };

        // When a path segment changes the list needs to be synchronized back to the path element.
        window.SVGPathSegList.prototype.segmentChanged = function (pathSeg) {
            this._writeListToPath();
        };

        window.SVGPathSegList.prototype.clear = function () {
            this._checkPathSynchronizedToList();

            this._list.forEach(function (pathSeg) {
                pathSeg._owningPathSegList = null;
            });
            this._list = [];
            this._writeListToPath();
        };

        window.SVGPathSegList.prototype.initialize = function (newItem) {
            this._checkPathSynchronizedToList();

            this._list = [newItem];
            newItem._owningPathSegList = this;
            this._writeListToPath();
            return newItem;
        };

        window.SVGPathSegList.prototype._checkValidIndex = function (index) {
            if (isNaN(index) || index < 0 || index >= this.numberOfItems) throw "INDEX_SIZE_ERR";
        };

        window.SVGPathSegList.prototype.getItem = function (index) {
            this._checkPathSynchronizedToList();

            this._checkValidIndex(index);
            return this._list[index];
        };

        window.SVGPathSegList.prototype.insertItemBefore = function (newItem, index) {
            this._checkPathSynchronizedToList();

            // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
            if (index > this.numberOfItems) index = this.numberOfItems;
            if (newItem._owningPathSegList) {
                // SVG2 spec says to make a copy.
                newItem = newItem.clone();
            }
            this._list.splice(index, 0, newItem);
            newItem._owningPathSegList = this;
            this._writeListToPath();
            return newItem;
        };

        window.SVGPathSegList.prototype.replaceItem = function (newItem, index) {
            this._checkPathSynchronizedToList();

            if (newItem._owningPathSegList) {
                // SVG2 spec says to make a copy.
                newItem = newItem.clone();
            }
            this._checkValidIndex(index);
            this._list[index] = newItem;
            newItem._owningPathSegList = this;
            this._writeListToPath();
            return newItem;
        };

        window.SVGPathSegList.prototype.removeItem = function (index) {
            this._checkPathSynchronizedToList();

            this._checkValidIndex(index);
            var item = this._list[index];
            this._list.splice(index, 1);
            this._writeListToPath();
            return item;
        };

        window.SVGPathSegList.prototype.appendItem = function (newItem) {
            this._checkPathSynchronizedToList();

            if (newItem._owningPathSegList) {
                // SVG2 spec says to make a copy.
                newItem = newItem.clone();
            }
            this._list.push(newItem);
            newItem._owningPathSegList = this;
            // TODO: Optimize this to just append to the existing attribute.
            this._writeListToPath();
            return newItem;
        };

        window.SVGPathSegList._pathSegArrayAsString = function (pathSegArray) {
            var string = "";
            var first = true;
            pathSegArray.forEach(function (pathSeg) {
                if (first) {
                    first = false;
                    string += pathSeg._asPathString();
                } else {
                    string += " " + pathSeg._asPathString();
                }
            });
            return string;
        };

        // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
        window.SVGPathSegList.prototype._parsePath = function (string) {
            if (!string || string.length == 0) return [];

            var owningPathSegList = this;

            var Builder = function Builder() {
                this.pathSegList = [];
            };

            Builder.prototype.appendSegment = function (pathSeg) {
                this.pathSegList.push(pathSeg);
            };

            var Source = function Source(string) {
                this._string = string;
                this._currentIndex = 0;
                this._endIndex = this._string.length;
                this._previousCommand = window.SVGPathSeg.PATHSEG_UNKNOWN;

                this._skipOptionalSpaces();
            };

            Source.prototype._isCurrentSpace = function () {
                var character = this._string[this._currentIndex];
                return character <= " " && (character == " " || character == "\n" || character == "\t" || character == "\r" || character == "\f");
            };

            Source.prototype._skipOptionalSpaces = function () {
                while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
                    this._currentIndex++;
                }return this._currentIndex < this._endIndex;
            };

            Source.prototype._skipOptionalSpacesOrDelimiter = function () {
                if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) != ",") return false;
                if (this._skipOptionalSpaces()) {
                    if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ",") {
                        this._currentIndex++;
                        this._skipOptionalSpaces();
                    }
                }
                return this._currentIndex < this._endIndex;
            };

            Source.prototype.hasMoreData = function () {
                return this._currentIndex < this._endIndex;
            };

            Source.prototype.peekSegmentType = function () {
                var lookahead = this._string[this._currentIndex];
                return this._pathSegTypeFromChar(lookahead);
            };

            Source.prototype._pathSegTypeFromChar = function (lookahead) {
                switch (lookahead) {
                    case "Z":
                    case "z":
                        return window.SVGPathSeg.PATHSEG_CLOSEPATH;
                    case "M":
                        return window.SVGPathSeg.PATHSEG_MOVETO_ABS;
                    case "m":
                        return window.SVGPathSeg.PATHSEG_MOVETO_REL;
                    case "L":
                        return window.SVGPathSeg.PATHSEG_LINETO_ABS;
                    case "l":
                        return window.SVGPathSeg.PATHSEG_LINETO_REL;
                    case "C":
                        return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
                    case "c":
                        return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
                    case "Q":
                        return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
                    case "q":
                        return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
                    case "A":
                        return window.SVGPathSeg.PATHSEG_ARC_ABS;
                    case "a":
                        return window.SVGPathSeg.PATHSEG_ARC_REL;
                    case "H":
                        return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
                    case "h":
                        return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
                    case "V":
                        return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
                    case "v":
                        return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
                    case "S":
                        return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
                    case "s":
                        return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
                    case "T":
                        return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
                    case "t":
                        return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
                    default:
                        return window.SVGPathSeg.PATHSEG_UNKNOWN;
                }
            };

            Source.prototype._nextCommandHelper = function (lookahead, previousCommand) {
                // Check for remaining coordinates in the current command.
                if ((lookahead == "+" || lookahead == "-" || lookahead == "." || lookahead >= "0" && lookahead <= "9") && previousCommand != window.SVGPathSeg.PATHSEG_CLOSEPATH) {
                    if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_ABS) return window.SVGPathSeg.PATHSEG_LINETO_ABS;
                    if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_REL) return window.SVGPathSeg.PATHSEG_LINETO_REL;
                    return previousCommand;
                }
                return window.SVGPathSeg.PATHSEG_UNKNOWN;
            };

            Source.prototype.initialCommandIsMoveTo = function () {
                // If the path is empty it is still valid, so return true.
                if (!this.hasMoreData()) return true;
                var command = this.peekSegmentType();
                // Path must start with moveTo.
                return command == window.SVGPathSeg.PATHSEG_MOVETO_ABS || command == window.SVGPathSeg.PATHSEG_MOVETO_REL;
            };

            // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
            // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
            Source.prototype._parseNumber = function () {
                var exponent = 0;
                var integer = 0;
                var frac = 1;
                var decimal = 0;
                var sign = 1;
                var expsign = 1;

                var startIndex = this._currentIndex;

                this._skipOptionalSpaces();

                // Read the sign.
                if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == "+") this._currentIndex++;else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == "-") {
                    this._currentIndex++;
                    sign = -1;
                }

                if (this._currentIndex == this._endIndex || (this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") && this._string.charAt(this._currentIndex) != ".")
                    // The first character of a number must be one of [0-9+-.].
                    return undefined;

                // Read the integer part, build right-to-left.
                var startIntPartIndex = this._currentIndex;
                while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") {
                    this._currentIndex++;
                } // Advance to first non-digit.

                if (this._currentIndex != startIntPartIndex) {
                    var scanIntPartIndex = this._currentIndex - 1;
                    var multiplier = 1;
                    while (scanIntPartIndex >= startIntPartIndex) {
                        integer += multiplier * (this._string.charAt(scanIntPartIndex--) - "0");
                        multiplier *= 10;
                    }
                }

                // Read the decimals.
                if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ".") {
                    this._currentIndex++;

                    // There must be a least one digit following the .
                    if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") return undefined;
                    while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") {
                        frac *= 10;
                        decimal += (this._string.charAt(this._currentIndex) - "0") / frac;
                        this._currentIndex += 1;
                    }
                }

                // Read the exponent part.
                if (this._currentIndex != startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) == "e" || this._string.charAt(this._currentIndex) == "E") && this._string.charAt(this._currentIndex + 1) != "x" && this._string.charAt(this._currentIndex + 1) != "m") {
                    this._currentIndex++;

                    // Read the sign of the exponent.
                    if (this._string.charAt(this._currentIndex) == "+") {
                        this._currentIndex++;
                    } else if (this._string.charAt(this._currentIndex) == "-") {
                        this._currentIndex++;
                        expsign = -1;
                    }

                    // There must be an exponent.
                    if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") return undefined;

                    while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") {
                        exponent *= 10;
                        exponent += this._string.charAt(this._currentIndex) - "0";
                        this._currentIndex++;
                    }
                }

                var number = integer + decimal;
                number *= sign;

                if (exponent) number *= Math.pow(10, expsign * exponent);

                if (startIndex == this._currentIndex) return undefined;

                this._skipOptionalSpacesOrDelimiter();

                return number;
            };

            Source.prototype._parseArcFlag = function () {
                if (this._currentIndex >= this._endIndex) return undefined;
                var flag = false;
                var flagChar = this._string.charAt(this._currentIndex++);
                if (flagChar == "0") flag = false;else if (flagChar == "1") flag = true;else return undefined;

                this._skipOptionalSpacesOrDelimiter();
                return flag;
            };

            Source.prototype.parseSegment = function () {
                var lookahead = this._string[this._currentIndex];
                var command = this._pathSegTypeFromChar(lookahead);
                if (command == window.SVGPathSeg.PATHSEG_UNKNOWN) {
                    // Possibly an implicit command. Not allowed if this is the first command.
                    if (this._previousCommand == window.SVGPathSeg.PATHSEG_UNKNOWN) return null;
                    command = this._nextCommandHelper(lookahead, this._previousCommand);
                    if (command == window.SVGPathSeg.PATHSEG_UNKNOWN) return null;
                } else {
                    this._currentIndex++;
                }

                this._previousCommand = command;

                switch (command) {
                    case window.SVGPathSeg.PATHSEG_MOVETO_REL:
                        return new window.SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_MOVETO_ABS:
                        return new window.SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_LINETO_REL:
                        return new window.SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_LINETO_ABS:
                        return new window.SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
                        return new window.SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
                        return new window.SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
                        return new window.SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
                        return new window.SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_CLOSEPATH:
                        this._skipOptionalSpaces();
                        return new window.SVGPathSegClosePath(owningPathSegList);
                    case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
                        var points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
                    case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
                        var points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
                    case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
                        var points = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);
                    case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
                        var points = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);
                    case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
                        var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);
                    case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
                        var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
                    case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
                        return new window.SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
                        return new window.SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
                    case window.SVGPathSeg.PATHSEG_ARC_REL:
                        var points = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
                    case window.SVGPathSeg.PATHSEG_ARC_ABS:
                        var points = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
                        return new window.SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
                    default:
                        throw "Unknown path seg type.";
                }
            };

            var builder = new Builder();
            var source = new Source(string);

            if (!source.initialCommandIsMoveTo()) return [];
            while (source.hasMoreData()) {
                var pathSeg = source.parseSegment();
                if (!pathSeg) return [];
                builder.appendSegment(pathSeg);
            }

            return builder.pathSegList;
        };
    }
})();

/* jshint ignore:end */

c3_chart_fn.axis = function () {};
c3_chart_fn.axis.labels = function (labels) {
    var $$ = this.internal;
    if (arguments.length) {
        Object.keys(labels).forEach(function (axisId) {
            $$.axis.setLabelText(axisId, labels[axisId]);
        });
        $$.axis.updateLabels();
    }
    // TODO: return some values?
};
c3_chart_fn.axis.max = function (max) {
    var $$ = this.internal,
        config = $$.config;
    if (arguments.length) {
        if ((typeof max === 'undefined' ? 'undefined' : _typeof(max)) === 'object') {
            if (isValue(max.x)) {
                config.axis_x_max = max.x;
            }
            if (isValue(max.y)) {
                config.axis_y_max = max.y;
            }
            if (isValue(max.y2)) {
                config.axis_y2_max = max.y2;
            }
        } else {
            config.axis_y_max = config.axis_y2_max = max;
        }
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    } else {
        return {
            x: config.axis_x_max,
            y: config.axis_y_max,
            y2: config.axis_y2_max
        };
    }
};
c3_chart_fn.axis.min = function (min) {
    var $$ = this.internal,
        config = $$.config;
    if (arguments.length) {
        if ((typeof min === 'undefined' ? 'undefined' : _typeof(min)) === 'object') {
            if (isValue(min.x)) {
                config.axis_x_min = min.x;
            }
            if (isValue(min.y)) {
                config.axis_y_min = min.y;
            }
            if (isValue(min.y2)) {
                config.axis_y2_min = min.y2;
            }
        } else {
            config.axis_y_min = config.axis_y2_min = min;
        }
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    } else {
        return {
            x: config.axis_x_min,
            y: config.axis_y_min,
            y2: config.axis_y2_min
        };
    }
};
c3_chart_fn.axis.range = function (range) {
    if (arguments.length) {
        if (isDefined(range.max)) {
            this.axis.max(range.max);
        }
        if (isDefined(range.min)) {
            this.axis.min(range.min);
        }
    } else {
        return {
            max: this.axis.max(),
            min: this.axis.min()
        };
    }
};

c3_chart_fn.category = function (i, category) {
    var $$ = this.internal,
        config = $$.config;
    if (arguments.length > 1) {
        config.axis_x_categories[i] = category;
        $$.redraw();
    }
    return config.axis_x_categories[i];
};
c3_chart_fn.categories = function (categories) {
    var $$ = this.internal,
        config = $$.config;
    if (!arguments.length) {
        return config.axis_x_categories;
    }
    config.axis_x_categories = categories;
    $$.redraw();
    return config.axis_x_categories;
};

c3_chart_fn.resize = function (size) {
    var $$ = this.internal,
        config = $$.config;
    config.size_width = size ? size.width : null;
    config.size_height = size ? size.height : null;
    this.flush();
};

c3_chart_fn.flush = function () {
    var $$ = this.internal;
    $$.updateAndRedraw({ withLegend: true, withTransition: false, withTransitionForTransform: false });
};

c3_chart_fn.destroy = function () {
    var $$ = this.internal;

    window.clearInterval($$.intervalForObserveInserted);

    if ($$.resizeTimeout !== undefined) {
        window.clearTimeout($$.resizeTimeout);
    }

    if (window.detachEvent) {
        window.detachEvent('onresize', $$.resizeFunction);
    } else if (window.removeEventListener) {
        window.removeEventListener('resize', $$.resizeFunction);
    } else {
        var wrapper = window.onresize;
        // check if no one else removed our wrapper and remove our resizeFunction from it
        if (wrapper && wrapper.add && wrapper.remove) {
            wrapper.remove($$.resizeFunction);
        }
    }

    $$.selectChart.classed('c3', false).html("");

    // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.
    Object.keys($$).forEach(function (key) {
        $$[key] = null;
    });

    return null;
};

// TODO: fix
c3_chart_fn.color = function (id) {
    var $$ = this.internal;
    return $$.color(id); // more patterns
};

c3_chart_fn.data = function (targetIds) {
    var targets = this.internal.data.targets;
    return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) {
        return [].concat(targetIds).indexOf(t.id) >= 0;
    });
};
c3_chart_fn.data.shown = function (targetIds) {
    return this.internal.filterTargetsToShow(this.data(targetIds));
};
c3_chart_fn.data.values = function (targetId) {
    var targets,
        values = null;
    if (targetId) {
        targets = this.data(targetId);
        values = targets[0] ? targets[0].values.map(function (d) {
            return d.value;
        }) : null;
    }
    return values;
};
c3_chart_fn.data.names = function (names) {
    this.internal.clearLegendItemTextBoxCache();
    return this.internal.updateDataAttributes('names', names);
};
c3_chart_fn.data.colors = function (colors) {
    return this.internal.updateDataAttributes('colors', colors);
};
c3_chart_fn.data.axes = function (axes) {
    return this.internal.updateDataAttributes('axes', axes);
};

c3_chart_fn.flow = function (args) {
    var $$ = this.internal,
        targets,
        data,
        notfoundIds = [],
        orgDataCount = $$.getMaxDataCount(),
        dataCount,
        domain,
        baseTarget,
        baseValue,
        length = 0,
        tail = 0,
        diff,
        to;

    if (args.json) {
        data = $$.convertJsonToData(args.json, args.keys);
    } else if (args.rows) {
        data = $$.convertRowsToData(args.rows);
    } else if (args.columns) {
        data = $$.convertColumnsToData(args.columns);
    } else {
        return;
    }
    targets = $$.convertDataToTargets(data, true);

    // Update/Add data
    $$.data.targets.forEach(function (t) {
        var found = false,
            i,
            j;
        for (i = 0; i < targets.length; i++) {
            if (t.id === targets[i].id) {
                found = true;

                if (t.values[t.values.length - 1]) {
                    tail = t.values[t.values.length - 1].index + 1;
                }
                length = targets[i].values.length;

                for (j = 0; j < length; j++) {
                    targets[i].values[j].index = tail + j;
                    if (!$$.isTimeSeries()) {
                        targets[i].values[j].x = tail + j;
                    }
                }
                t.values = t.values.concat(targets[i].values);

                targets.splice(i, 1);
                break;
            }
        }
        if (!found) {
            notfoundIds.push(t.id);
        }
    });

    // Append null for not found targets
    $$.data.targets.forEach(function (t) {
        var i, j;
        for (i = 0; i < notfoundIds.length; i++) {
            if (t.id === notfoundIds[i]) {
                tail = t.values[t.values.length - 1].index + 1;
                for (j = 0; j < length; j++) {
                    t.values.push({
                        id: t.id,
                        index: tail + j,
                        x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
                        value: null
                    });
                }
            }
        }
    });

    // Generate null values for new target
    if ($$.data.targets.length) {
        targets.forEach(function (t) {
            var i,
                missing = [];
            for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
                missing.push({
                    id: t.id,
                    index: i,
                    x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
                    value: null
                });
            }
            t.values.forEach(function (v) {
                v.index += tail;
                if (!$$.isTimeSeries()) {
                    v.x += tail;
                }
            });
            t.values = missing.concat(t.values);
        });
    }
    $$.data.targets = $$.data.targets.concat(targets); // add remained

    // check data count because behavior needs to change when it's only one
    dataCount = $$.getMaxDataCount();
    baseTarget = $$.data.targets[0];
    baseValue = baseTarget.values[0];

    // Update length to flow if needed
    if (isDefined(args.to)) {
        length = 0;
        to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
        baseTarget.values.forEach(function (v) {
            if (v.x < to) {
                length++;
            }
        });
    } else if (isDefined(args.length)) {
        length = args.length;
    }

    // If only one data, update the domain to flow from left edge of the chart
    if (!orgDataCount) {
        if ($$.isTimeSeries()) {
            if (baseTarget.values.length > 1) {
                diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
            } else {
                diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
            }
        } else {
            diff = 1;
        }
        domain = [baseValue.x - diff, baseValue.x];
        $$.updateXDomain(null, true, true, false, domain);
    } else if (orgDataCount === 1) {
        if ($$.isTimeSeries()) {
            diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;
            domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];
            $$.updateXDomain(null, true, true, false, domain);
        }
    }

    // Set targets
    $$.updateTargets($$.data.targets);

    // Redraw with new targets
    $$.redraw({
        flow: {
            index: baseValue.index,
            length: length,
            duration: isValue(args.duration) ? args.duration : $$.config.transition_duration,
            done: args.done,
            orgDataCount: orgDataCount
        },
        withLegend: true,
        withTransition: orgDataCount > 1,
        withTrimXDomain: false,
        withUpdateXAxis: true
    });
};

c3_chart_internal_fn.generateFlow = function (args) {
    var $$ = this,
        config = $$.config,
        d3 = $$.d3;

    return function () {
        var targets = args.targets,
            flow = args.flow,
            drawBar = args.drawBar,
            drawLine = args.drawLine,
            drawArea = args.drawArea,
            cx = args.cx,
            cy = args.cy,
            xv = args.xv,
            xForText = args.xForText,
            yForText = args.yForText,
            duration = args.duration;

        var translateX,
            scaleX = 1,
            transform,
            flowIndex = flow.index,
            flowLength = flow.length,
            flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex),
            flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength),
            orgDomain = $$.x.domain(),
            domain,
            durationForFlow = flow.duration || duration,
            done = flow.done || function () {},
            wait = $$.generateWait();

        var xgrid = $$.xgrid || d3.selectAll([]),
            xgridLines = $$.xgridLines || d3.selectAll([]),
            mainRegion = $$.mainRegion || d3.selectAll([]),
            mainText = $$.mainText || d3.selectAll([]),
            mainBar = $$.mainBar || d3.selectAll([]),
            mainLine = $$.mainLine || d3.selectAll([]),
            mainArea = $$.mainArea || d3.selectAll([]),
            mainCircle = $$.mainCircle || d3.selectAll([]);

        // set flag
        $$.flowing = true;

        // remove head data after rendered
        $$.data.targets.forEach(function (d) {
            d.values.splice(0, flowLength);
        });

        // update x domain to generate axis elements for flow
        domain = $$.updateXDomain(targets, true, true);
        // update elements related to x scale
        if ($$.updateXGrid) {
            $$.updateXGrid(true);
        }

        // generate transform to flow
        if (!flow.orgDataCount) {
            // if empty
            if ($$.data.targets[0].values.length !== 1) {
                translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
            } else {
                if ($$.isTimeSeries()) {
                    flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0);
                    flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1);
                    translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
                } else {
                    translateX = diffDomain(domain) / 2;
                }
            }
        } else if (flow.orgDataCount === 1 || (flowStart && flowStart.x) === (flowEnd && flowEnd.x)) {
            translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
        } else {
            if ($$.isTimeSeries()) {
                translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
            } else {
                translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
            }
        }
        scaleX = diffDomain(orgDomain) / diffDomain(domain);
        transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';

        $$.hideXGridFocus();

        d3.transition().ease('linear').duration(durationForFlow).each(function () {
            wait.add($$.axes.x.transition().call($$.xAxis));
            wait.add(mainBar.transition().attr('transform', transform));
            wait.add(mainLine.transition().attr('transform', transform));
            wait.add(mainArea.transition().attr('transform', transform));
            wait.add(mainCircle.transition().attr('transform', transform));
            wait.add(mainText.transition().attr('transform', transform));
            wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform));
            wait.add(xgrid.transition().attr('transform', transform));
            wait.add(xgridLines.transition().attr('transform', transform));
        }).call(wait, function () {
            var i,
                shapes = [],
                texts = [],
                eventRects = [];

            // remove flowed elements
            if (flowLength) {
                for (i = 0; i < flowLength; i++) {
                    shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));
                    texts.push('.' + CLASS.text + '-' + (flowIndex + i));
                    eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i));
                }
                $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove();
                $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove();
                $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove();
                $$.svg.select('.' + CLASS.xgrid).remove();
            }

            // draw again for removing flowed elements and reverting attr
            xgrid.attr('transform', null).attr($$.xgridAttr);
            xgridLines.attr('transform', null);
            xgridLines.select('line').attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv);
            xgridLines.select('text').attr("x", config.axis_rotated ? $$.width : 0).attr("y", xv);
            mainBar.attr('transform', null).attr("d", drawBar);
            mainLine.attr('transform', null).attr("d", drawLine);
            mainArea.attr('transform', null).attr("d", drawArea);
            mainCircle.attr('transform', null).attr("cx", cx).attr("cy", cy);
            mainText.attr('transform', null).attr('x', xForText).attr('y', yForText).style('fill-opacity', $$.opacityForText.bind($$));
            mainRegion.attr('transform', null);
            mainRegion.select('rect').filter($$.isRegionOnX).attr("x", $$.regionX.bind($$)).attr("width", $$.regionWidth.bind($$));

            if (config.interaction_enabled) {
                $$.redrawEventRect();
            }

            // callback for end of flow
            done();

            $$.flowing = false;
        });
    };
};

c3_chart_fn.focus = function (targetIds) {
    var $$ = this.internal,
        candidates;

    targetIds = $$.mapToTargetIds(targetIds);
    candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), this.revert();
    this.defocus();
    candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);
    if ($$.hasArcType()) {
        $$.expandArc(targetIds);
    }
    $$.toggleFocusLegend(targetIds, true);

    $$.focusedTargetIds = targetIds;
    $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {
        return targetIds.indexOf(id) < 0;
    });
};

c3_chart_fn.defocus = function (targetIds) {
    var $$ = this.internal,
        candidates;

    targetIds = $$.mapToTargetIds(targetIds);
    candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);
    if ($$.hasArcType()) {
        $$.unexpandArc(targetIds);
    }
    $$.toggleFocusLegend(targetIds, false);

    $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {
        return targetIds.indexOf(id) < 0;
    });
    $$.defocusedTargetIds = targetIds;
};

c3_chart_fn.revert = function (targetIds) {
    var $$ = this.internal,
        candidates;

    targetIds = $$.mapToTargetIds(targetIds);
    candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets

    candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);
    if ($$.hasArcType()) {
        $$.unexpandArc(targetIds);
    }
    if ($$.config.legend_show) {
        $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));
        $$.legend.selectAll($$.selectorLegends(targetIds)).filter(function () {
            return $$.d3.select(this).classed(CLASS.legendItemFocused);
        }).classed(CLASS.legendItemFocused, false);
    }

    $$.focusedTargetIds = [];
    $$.defocusedTargetIds = [];
};

c3_chart_fn.xgrids = function (grids) {
    var $$ = this.internal,
        config = $$.config;
    if (!grids) {
        return config.grid_x_lines;
    }
    config.grid_x_lines = grids;
    $$.redrawWithoutRescale();
    return config.grid_x_lines;
};
c3_chart_fn.xgrids.add = function (grids) {
    var $$ = this.internal;
    return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));
};
c3_chart_fn.xgrids.remove = function (params) {
    // TODO: multiple
    var $$ = this.internal;
    $$.removeGridLines(params, true);
};

c3_chart_fn.ygrids = function (grids) {
    var $$ = this.internal,
        config = $$.config;
    if (!grids) {
        return config.grid_y_lines;
    }
    config.grid_y_lines = grids;
    $$.redrawWithoutRescale();
    return config.grid_y_lines;
};
c3_chart_fn.ygrids.add = function (grids) {
    var $$ = this.internal;
    return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));
};
c3_chart_fn.ygrids.remove = function (params) {
    // TODO: multiple
    var $$ = this.internal;
    $$.removeGridLines(params, false);
};

c3_chart_fn.groups = function (groups) {
    var $$ = this.internal,
        config = $$.config;
    if (isUndefined(groups)) {
        return config.data_groups;
    }
    config.data_groups = groups;
    $$.redraw();
    return config.data_groups;
};

c3_chart_fn.legend = function () {};
c3_chart_fn.legend.show = function (targetIds) {
    var $$ = this.internal;
    $$.showLegend($$.mapToTargetIds(targetIds));
    $$.updateAndRedraw({ withLegend: true });
};
c3_chart_fn.legend.hide = function (targetIds) {
    var $$ = this.internal;
    $$.hideLegend($$.mapToTargetIds(targetIds));
    $$.updateAndRedraw({ withLegend: true });
};

c3_chart_fn.load = function (args) {
    var $$ = this.internal,
        config = $$.config;
    // update xs if specified
    if (args.xs) {
        $$.addXs(args.xs);
    }
    // update names if exists
    if ('names' in args) {
        c3_chart_fn.data.names.bind(this)(args.names);
    }
    // update classes if exists
    if ('classes' in args) {
        Object.keys(args.classes).forEach(function (id) {
            config.data_classes[id] = args.classes[id];
        });
    }
    // update categories if exists
    if ('categories' in args && $$.isCategorized()) {
        config.axis_x_categories = args.categories;
    }
    // update axes if exists
    if ('axes' in args) {
        Object.keys(args.axes).forEach(function (id) {
            config.data_axes[id] = args.axes[id];
        });
    }
    // update colors if exists
    if ('colors' in args) {
        Object.keys(args.colors).forEach(function (id) {
            config.data_colors[id] = args.colors[id];
        });
    }
    // use cache if exists
    if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
        $$.load($$.getCaches(args.cacheIds), args.done);
        return;
    }
    // unload if needed
    if ('unload' in args) {
        // TODO: do not unload if target will load (included in url/rows/columns)
        $$.unload($$.mapToTargetIds(typeof args.unload === 'boolean' && args.unload ? null : args.unload), function () {
            $$.loadFromArgs(args);
        });
    } else {
        $$.loadFromArgs(args);
    }
};

c3_chart_fn.unload = function (args) {
    var $$ = this.internal;
    args = args || {};
    if (args instanceof Array) {
        args = { ids: args };
    } else if (typeof args === 'string') {
        args = { ids: [args] };
    }
    $$.unload($$.mapToTargetIds(args.ids), function () {
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
        if (args.done) {
            args.done();
        }
    });
};

c3_chart_fn.regions = function (regions) {
    var $$ = this.internal,
        config = $$.config;
    if (!regions) {
        return config.regions;
    }
    config.regions = regions;
    $$.redrawWithoutRescale();
    return config.regions;
};
c3_chart_fn.regions.add = function (regions) {
    var $$ = this.internal,
        config = $$.config;
    if (!regions) {
        return config.regions;
    }
    config.regions = config.regions.concat(regions);
    $$.redrawWithoutRescale();
    return config.regions;
};
c3_chart_fn.regions.remove = function (options) {
    var $$ = this.internal,
        config = $$.config,
        duration,
        classes,
        regions;

    options = options || {};
    duration = $$.getOption(options, "duration", config.transition_duration);
    classes = $$.getOption(options, "classes", [CLASS.region]);

    regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) {
        return '.' + c;
    }));
    (duration ? regions.transition().duration(duration) : regions).style('opacity', 0).remove();

    config.regions = config.regions.filter(function (region) {
        var found = false;
        if (!region['class']) {
            return true;
        }
        region['class'].split(' ').forEach(function (c) {
            if (classes.indexOf(c) >= 0) {
                found = true;
            }
        });
        return !found;
    });

    return config.regions;
};

c3_chart_fn.selected = function (targetId) {
    var $$ = this.internal,
        d3 = $$.d3;
    return d3.merge($$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape).filter(function () {
        return d3.select(this).classed(CLASS.SELECTED);
    }).map(function (d) {
        return d.map(function (d) {
            var data = d.__data__;return data.data ? data.data : data;
        });
    }));
};
c3_chart_fn.select = function (ids, indices, resetOther) {
    var $$ = this.internal,
        d3 = $$.d3,
        config = $$.config;
    if (!config.data_selection_enabled) {
        return;
    }
    $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
        var shape = d3.select(this),
            id = d.data ? d.data.id : d.id,
            toggle = $$.getToggle(this, d).bind($$),
            isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
            isTargetIndex = !indices || indices.indexOf(i) >= 0,
            isSelected = shape.classed(CLASS.SELECTED);
        // line/area selection not supported yet
        if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
            return;
        }
        if (isTargetId && isTargetIndex) {
            if (config.data_selection_isselectable(d) && !isSelected) {
                toggle(true, shape.classed(CLASS.SELECTED, true), d, i);
            }
        } else if (isDefined(resetOther) && resetOther) {
            if (isSelected) {
                toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
            }
        }
    });
};
c3_chart_fn.unselect = function (ids, indices) {
    var $$ = this.internal,
        d3 = $$.d3,
        config = $$.config;
    if (!config.data_selection_enabled) {
        return;
    }
    $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
        var shape = d3.select(this),
            id = d.data ? d.data.id : d.id,
            toggle = $$.getToggle(this, d).bind($$),
            isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
            isTargetIndex = !indices || indices.indexOf(i) >= 0,
            isSelected = shape.classed(CLASS.SELECTED);
        // line/area selection not supported yet
        if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
            return;
        }
        if (isTargetId && isTargetIndex) {
            if (config.data_selection_isselectable(d)) {
                if (isSelected) {
                    toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
                }
            }
        }
    });
};

c3_chart_fn.show = function (targetIds, options) {
    var $$ = this.internal,
        targets;

    targetIds = $$.mapToTargetIds(targetIds);
    options = options || {};

    $$.removeHiddenTargetIds(targetIds);
    targets = $$.svg.selectAll($$.selectorTargets(targetIds));

    targets.transition().style('opacity', 1, 'important').call($$.endall, function () {
        targets.style('opacity', null).style('opacity', 1);
    });

    if (options.withLegend) {
        $$.showLegend(targetIds);
    }

    $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
};

c3_chart_fn.hide = function (targetIds, options) {
    var $$ = this.internal,
        targets;

    targetIds = $$.mapToTargetIds(targetIds);
    options = options || {};

    $$.addHiddenTargetIds(targetIds);
    targets = $$.svg.selectAll($$.selectorTargets(targetIds));

    targets.transition().style('opacity', 0, 'important').call($$.endall, function () {
        targets.style('opacity', null).style('opacity', 0);
    });

    if (options.withLegend) {
        $$.hideLegend(targetIds);
    }

    $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
};

c3_chart_fn.toggle = function (targetIds, options) {
    var that = this,
        $$ = this.internal;
    $$.mapToTargetIds(targetIds).forEach(function (targetId) {
        $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
    });
};

c3_chart_fn.tooltip = function () {};
c3_chart_fn.tooltip.show = function (args) {
    var $$ = this.internal,
        index,
        mouse;

    // determine mouse position on the chart
    if (args.mouse) {
        mouse = args.mouse;
    }

    // determine focus data
    if (args.data) {
        if ($$.isMultipleX()) {
            // if multiple xs, target point will be determined by mouse
            mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
            index = null;
        } else {
            // TODO: when tooltip_grouped = false
            index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
        }
    } else if (typeof args.x !== 'undefined') {
        index = $$.getIndexByX(args.x);
    } else if (typeof args.index !== 'undefined') {
        index = args.index;
    }

    // emulate mouse events to show
    $$.dispatchEvent('mouseover', index, mouse);
    $$.dispatchEvent('mousemove', index, mouse);

    $$.config.tooltip_onshow.call($$, args.data);
};
c3_chart_fn.tooltip.hide = function () {
    // TODO: get target data by checking the state of focus
    this.internal.dispatchEvent('mouseout', 0);

    this.internal.config.tooltip_onhide.call(this);
};

c3_chart_fn.transform = function (type, targetIds) {
    var $$ = this.internal,
        options = ['pie', 'donut'].indexOf(type) >= 0 ? { withTransform: true } : null;
    $$.transformTo(targetIds, type, options);
};

c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) {
    var $$ = this,
        withTransitionForAxis = !$$.hasArcType(),
        options = optionsForRedraw || { withTransitionForAxis: withTransitionForAxis };
    options.withTransitionForTransform = false;
    $$.transiting = false;
    $$.setTargetType(targetIds, type);
    $$.updateTargets($$.data.targets); // this is needed when transforming to arc
    $$.updateAndRedraw(options);
};

c3_chart_fn.x = function (x) {
    var $$ = this.internal;
    if (arguments.length) {
        $$.updateTargetX($$.data.targets, x);
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    }
    return $$.data.xs;
};
c3_chart_fn.xs = function (xs) {
    var $$ = this.internal;
    if (arguments.length) {
        $$.updateTargetXs($$.data.targets, xs);
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    }
    return $$.data.xs;
};

c3_chart_fn.zoom = function (domain) {
    var $$ = this.internal;
    if (domain) {
        if ($$.isTimeSeries()) {
            domain = domain.map(function (x) {
                return $$.parseDate(x);
            });
        }
        $$.brush.extent(domain);
        $$.redraw({ withUpdateXDomain: true, withY: $$.config.zoom_rescale });
        $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
    }
    return $$.brush.extent();
};
c3_chart_fn.zoom.enable = function (enabled) {
    var $$ = this.internal;
    $$.config.zoom_enabled = enabled;
    $$.updateAndRedraw();
};
c3_chart_fn.unzoom = function () {
    var $$ = this.internal;
    $$.brush.clear().update();
    $$.redraw({ withUpdateXDomain: true });
};

c3_chart_fn.zoom.max = function (max) {
    var $$ = this.internal,
        config = $$.config,
        d3 = $$.d3;
    if (max === 0 || max) {
        config.zoom_x_max = d3.max([$$.orgXDomain[1], max]);
    } else {
        return config.zoom_x_max;
    }
};

c3_chart_fn.zoom.min = function (min) {
    var $$ = this.internal,
        config = $$.config,
        d3 = $$.d3;
    if (min === 0 || min) {
        config.zoom_x_min = d3.min([$$.orgXDomain[0], min]);
    } else {
        return config.zoom_x_min;
    }
};

c3_chart_fn.zoom.range = function (range) {
    if (arguments.length) {
        if (isDefined(range.max)) {
            this.domain.max(range.max);
        }
        if (isDefined(range.min)) {
            this.domain.min(range.min);
        }
    } else {
        return {
            max: this.domain.max(),
            min: this.domain.min()
        };
    }
};

c3_chart_internal_fn.initPie = function () {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config;
    $$.pie = d3.layout.pie().value(function (d) {
        return d.values.reduce(function (a, b) {
            return a + b.value;
        }, 0);
    });
    if (!config.data_order) {
        $$.pie.sort(null);
    }
};

c3_chart_internal_fn.updateRadius = function () {
    var $$ = this,
        config = $$.config,
        w = config.gauge_width || config.donut_width;
    $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2;
    $$.radius = $$.radiusExpanded * 0.95;
    $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;
    $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0;
};

c3_chart_internal_fn.updateArc = function () {
    var $$ = this;
    $$.svgArc = $$.getSvgArc();
    $$.svgArcExpanded = $$.getSvgArcExpanded();
    $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);
};

c3_chart_internal_fn.updateAngle = function (d) {
    var $$ = this,
        config = $$.config,
        found = false,
        index = 0,
        gMin,
        gMax,
        gTic,
        gValue;

    if (!config) {
        return null;
    }

    $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) {
        if (!found && t.data.id === d.data.id) {
            found = true;
            d = t;
            d.index = index;
        }
        index++;
    });
    if (isNaN(d.startAngle)) {
        d.startAngle = 0;
    }
    if (isNaN(d.endAngle)) {
        d.endAngle = d.startAngle;
    }
    if ($$.isGaugeType(d.data)) {
        gMin = config.gauge_min;
        gMax = config.gauge_max;
        gTic = Math.PI * (config.gauge_fullCircle ? 2 : 1) / (gMax - gMin);
        gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : gMax - gMin;
        d.startAngle = config.gauge_startingAngle;
        d.endAngle = d.startAngle + gTic * gValue;
    }
    return found ? d : null;
};

c3_chart_internal_fn.getSvgArc = function () {
    var $$ = this,
        arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
        newArc = function newArc(d, withoutUpdate) {
        var updated;
        if (withoutUpdate) {
            return arc(d);
        } // for interpolate
        updated = $$.updateAngle(d);
        return updated ? arc(updated) : "M 0 0";
    };
    // TODO: extends all function
    newArc.centroid = arc.centroid;
    return newArc;
};

c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
    var $$ = this,
        arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
    return function (d) {
        var updated = $$.updateAngle(d);
        return updated ? arc(updated) : "M 0 0";
    };
};

c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) {
    return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0";
};

c3_chart_internal_fn.transformForArcLabel = function (d) {
    var $$ = this,
        config = $$.config,
        updated = $$.updateAngle(d),
        c,
        x,
        y,
        h,
        ratio,
        translate = "";
    if (updated && !$$.hasType('gauge')) {
        c = this.svgArc.centroid(updated);
        x = isNaN(c[0]) ? 0 : c[0];
        y = isNaN(c[1]) ? 0 : c[1];
        h = Math.sqrt(x * x + y * y);
        if ($$.hasType('donut') && config.donut_label_ratio) {
            ratio = isFunction(config.donut_label_ratio) ? config.donut_label_ratio(d, $$.radius, h) : config.donut_label_ratio;
        } else if ($$.hasType('pie') && config.pie_label_ratio) {
            ratio = isFunction(config.pie_label_ratio) ? config.pie_label_ratio(d, $$.radius, h) : config.pie_label_ratio;
        } else {
            ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0;
        }
        translate = "translate(" + x * ratio + ',' + y * ratio + ")";
    }
    return translate;
};

c3_chart_internal_fn.getArcRatio = function (d) {
    var $$ = this,
        config = $$.config,
        whole = Math.PI * ($$.hasType('gauge') && !config.gauge_fullCircle ? 1 : 2);
    return d ? (d.endAngle - d.startAngle) / whole : null;
};

c3_chart_internal_fn.convertToArcData = function (d) {
    return this.addName({
        id: d.data.id,
        value: d.value,
        ratio: this.getArcRatio(d),
        index: d.index
    });
};

c3_chart_internal_fn.textForArcLabel = function (d) {
    var $$ = this,
        updated,
        value,
        ratio,
        id,
        format;
    if (!$$.shouldShowArcLabel()) {
        return "";
    }
    updated = $$.updateAngle(d);
    value = updated ? updated.value : null;
    ratio = $$.getArcRatio(updated);
    id = d.data.id;
    if (!$$.hasType('gauge') && !$$.meetsArcLabelThreshold(ratio)) {
        return "";
    }
    format = $$.getArcLabelFormat();
    return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio);
};

c3_chart_internal_fn.textForGaugeMinMax = function (value, isMax) {
    var $$ = this,
        format = $$.getGaugeLabelExtents();

    return format ? format(value, isMax) : value;
};

c3_chart_internal_fn.expandArc = function (targetIds) {
    var $$ = this,
        interval;

    // MEMO: avoid to cancel transition
    if ($$.transiting) {
        interval = window.setInterval(function () {
            if (!$$.transiting) {
                window.clearInterval(interval);
                if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) {
                    $$.expandArc(targetIds);
                }
            }
        }, 10);
        return;
    }

    targetIds = $$.mapToTargetIds(targetIds);

    $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) {
        if (!$$.shouldExpand(d.data.id)) {
            return;
        }
        $$.d3.select(this).selectAll('path').transition().duration($$.expandDuration(d.data.id)).attr("d", $$.svgArcExpanded).transition().duration($$.expandDuration(d.data.id) * 2).attr("d", $$.svgArcExpandedSub).each(function (d) {
            if ($$.isDonutType(d.data)) {
                // callback here
            }
        });
    });
};

c3_chart_internal_fn.unexpandArc = function (targetIds) {
    var $$ = this;

    if ($$.transiting) {
        return;
    }

    targetIds = $$.mapToTargetIds(targetIds);

    $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path').transition().duration(function (d) {
        return $$.expandDuration(d.data.id);
    }).attr("d", $$.svgArc);
    $$.svg.selectAll('.' + CLASS.arc);
};

c3_chart_internal_fn.expandDuration = function (id) {
    var $$ = this,
        config = $$.config;

    if ($$.isDonutType(id)) {
        return config.donut_expand_duration;
    } else if ($$.isGaugeType(id)) {
        return config.gauge_expand_duration;
    } else if ($$.isPieType(id)) {
        return config.pie_expand_duration;
    } else {
        return 50;
    }
};

c3_chart_internal_fn.shouldExpand = function (id) {
    var $$ = this,
        config = $$.config;
    return $$.isDonutType(id) && config.donut_expand || $$.isGaugeType(id) && config.gauge_expand || $$.isPieType(id) && config.pie_expand;
};

c3_chart_internal_fn.shouldShowArcLabel = function () {
    var $$ = this,
        config = $$.config,
        shouldShow = true;
    if ($$.hasType('donut')) {
        shouldShow = config.donut_label_show;
    } else if ($$.hasType('pie')) {
        shouldShow = config.pie_label_show;
    }
    // when gauge, always true
    return shouldShow;
};

c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) {
    var $$ = this,
        config = $$.config,
        threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold;
    return ratio >= threshold;
};

c3_chart_internal_fn.getArcLabelFormat = function () {
    var $$ = this,
        config = $$.config,
        format = config.pie_label_format;
    if ($$.hasType('gauge')) {
        format = config.gauge_label_format;
    } else if ($$.hasType('donut')) {
        format = config.donut_label_format;
    }
    return format;
};

c3_chart_internal_fn.getGaugeLabelExtents = function () {
    var $$ = this,
        config = $$.config;
    return config.gauge_label_extents;
};

c3_chart_internal_fn.getArcTitle = function () {
    var $$ = this;
    return $$.hasType('donut') ? $$.config.donut_title : "";
};

c3_chart_internal_fn.updateTargetsForArc = function (targets) {
    var $$ = this,
        main = $$.main,
        mainPieUpdate,
        mainPieEnter,
        classChartArc = $$.classChartArc.bind($$),
        classArcs = $$.classArcs.bind($$),
        classFocus = $$.classFocus.bind($$);
    mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc).data($$.pie(targets)).attr("class", function (d) {
        return classChartArc(d) + classFocus(d.data);
    });
    mainPieEnter = mainPieUpdate.enter().append("g").attr("class", classChartArc);
    mainPieEnter.append('g').attr('class', classArcs);
    mainPieEnter.append("text").attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em").style("opacity", 0).style("text-anchor", "middle").style("pointer-events", "none");
    // MEMO: can not keep same color..., but not bad to update color in redraw
    //mainPieUpdate.exit().remove();
};

c3_chart_internal_fn.initArc = function () {
    var $$ = this;
    $$.arcs = $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
    $$.arcs.append('text').attr('class', CLASS.chartArcsTitle).style("text-anchor", "middle").text($$.getArcTitle());
};

c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config,
        main = $$.main,
        mainArc;
    mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc).data($$.arcData.bind($$));
    mainArc.enter().append('path').attr("class", $$.classArc.bind($$)).style("fill", function (d) {
        return $$.color(d.data);
    }).style("cursor", function (d) {
        return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null;
    }).each(function (d) {
        if ($$.isGaugeType(d.data)) {
            d.startAngle = d.endAngle = config.gauge_startingAngle;
        }
        this._current = d;
    });
    mainArc.attr("transform", function (d) {
        return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : "";
    }).on('mouseover', config.interaction_enabled ? function (d) {
        var updated, arcData;
        if ($$.transiting) {
            // skip while transiting
            return;
        }
        updated = $$.updateAngle(d);
        if (updated) {
            arcData = $$.convertToArcData(updated);
            // transitions
            $$.expandArc(updated.data.id);
            $$.api.focus(updated.data.id);
            $$.toggleFocusLegend(updated.data.id, true);
            $$.config.data_onmouseover(arcData, this);
        }
    } : null).on('mousemove', config.interaction_enabled ? function (d) {
        var updated = $$.updateAngle(d),
            arcData,
            selectedData;
        if (updated) {
            arcData = $$.convertToArcData(updated), selectedData = [arcData];
            $$.showTooltip(selectedData, this);
        }
    } : null).on('mouseout', config.interaction_enabled ? function (d) {
        var updated, arcData;
        if ($$.transiting) {
            // skip while transiting
            return;
        }
        updated = $$.updateAngle(d);
        if (updated) {
            arcData = $$.convertToArcData(updated);
            // transitions
            $$.unexpandArc(updated.data.id);
            $$.api.revert();
            $$.revertLegend();
            $$.hideTooltip();
            $$.config.data_onmouseout(arcData, this);
        }
    } : null).on('click', config.interaction_enabled ? function (d, i) {
        var updated = $$.updateAngle(d),
            arcData;
        if (updated) {
            arcData = $$.convertToArcData(updated);
            if ($$.toggleShape) {
                $$.toggleShape(this, arcData, i);
            }
            $$.config.data_onclick.call($$.api, arcData, this);
        }
    } : null).each(function () {
        $$.transiting = true;
    }).transition().duration(duration).attrTween("d", function (d) {
        var updated = $$.updateAngle(d),
            interpolate;
        if (!updated) {
            return function () {
                return "M 0 0";
            };
        }
        //                if (this._current === d) {
        //                    this._current = {
        //                        startAngle: Math.PI*2,
        //                        endAngle: Math.PI*2,
        //                    };
        //                }
        if (isNaN(this._current.startAngle)) {
            this._current.startAngle = 0;
        }
        if (isNaN(this._current.endAngle)) {
            this._current.endAngle = this._current.startAngle;
        }
        interpolate = d3.interpolate(this._current, updated);
        this._current = interpolate(0);
        return function (t) {
            var interpolated = interpolate(t);
            interpolated.data = d.data; // data.id will be updated by interporator
            return $$.getArc(interpolated, true);
        };
    }).attr("transform", withTransform ? "scale(1)" : "").style("fill", function (d) {
        return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id);
    } // Where gauge reading color would receive customization.
    ).call($$.endall, function () {
        $$.transiting = false;
    });
    mainArc.exit().transition().duration(durationForExit).style('opacity', 0).remove();
    main.selectAll('.' + CLASS.chartArc).select('text').style("opacity", 0).attr('class', function (d) {
        return $$.isGaugeType(d.data) ? CLASS.gaugeValue : '';
    }).text($$.textForArcLabel.bind($$)).attr("transform", $$.transformForArcLabel.bind($$)).style('font-size', function (d) {
        return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : '';
    }).transition().duration(duration).style("opacity", function (d) {
        return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0;
    });
    main.select('.' + CLASS.chartArcsTitle).style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0);

    if ($$.hasType('gauge')) {
        $$.arcs.select('.' + CLASS.chartArcsBackground).attr("d", function () {
            var d = {
                data: [{ value: config.gauge_max }],
                startAngle: config.gauge_startingAngle,
                endAngle: -1 * config.gauge_startingAngle
            };
            return $$.getArc(d, true, true);
        });
        $$.arcs.select('.' + CLASS.chartArcsGaugeUnit).attr("dy", ".75em").text(config.gauge_label_show ? config.gauge_units : '');
        $$.arcs.select('.' + CLASS.chartArcsGaugeMin).attr("dx", -1 * ($$.innerRadius + ($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2)) + "px").attr("dy", "1.2em").text(config.gauge_label_show ? $$.textForGaugeMinMax(config.gauge_min, false) : '');
        $$.arcs.select('.' + CLASS.chartArcsGaugeMax).attr("dx", $$.innerRadius + ($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2) + "px").attr("dy", "1.2em").text(config.gauge_label_show ? $$.textForGaugeMinMax(config.gauge_max, true) : '');
    }
};
c3_chart_internal_fn.initGauge = function () {
    var arcs = this.arcs;
    if (this.hasType('gauge')) {
        arcs.append('path').attr("class", CLASS.chartArcsBackground);
        arcs.append("text").attr("class", CLASS.chartArcsGaugeUnit).style("text-anchor", "middle").style("pointer-events", "none");
        arcs.append("text").attr("class", CLASS.chartArcsGaugeMin).style("text-anchor", "middle").style("pointer-events", "none");
        arcs.append("text").attr("class", CLASS.chartArcsGaugeMax).style("text-anchor", "middle").style("pointer-events", "none");
    }
};
c3_chart_internal_fn.getGaugeLabelHeight = function () {
    return this.config.gauge_label_show ? 20 : 0;
};

c3_chart_internal_fn.hasCaches = function (ids) {
    for (var i = 0; i < ids.length; i++) {
        if (!(ids[i] in this.cache)) {
            return false;
        }
    }
    return true;
};
c3_chart_internal_fn.addCache = function (id, target) {
    this.cache[id] = this.cloneTarget(target);
};
c3_chart_internal_fn.getCaches = function (ids) {
    var targets = [],
        i;
    for (i = 0; i < ids.length; i++) {
        if (ids[i] in this.cache) {
            targets.push(this.cloneTarget(this.cache[ids[i]]));
        }
    }
    return targets;
};

c3_chart_internal_fn.categoryName = function (i) {
    var config = this.config;
    return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;
};

c3_chart_internal_fn.generateClass = function (prefix, targetId) {
    return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId);
};
c3_chart_internal_fn.classText = function (d) {
    return this.generateClass(CLASS.text, d.index);
};
c3_chart_internal_fn.classTexts = function (d) {
    return this.generateClass(CLASS.texts, d.id);
};
c3_chart_internal_fn.classShape = function (d) {
    return this.generateClass(CLASS.shape, d.index);
};
c3_chart_internal_fn.classShapes = function (d) {
    return this.generateClass(CLASS.shapes, d.id);
};
c3_chart_internal_fn.classLine = function (d) {
    return this.classShape(d) + this.generateClass(CLASS.line, d.id);
};
c3_chart_internal_fn.classLines = function (d) {
    return this.classShapes(d) + this.generateClass(CLASS.lines, d.id);
};
c3_chart_internal_fn.classCircle = function (d) {
    return this.classShape(d) + this.generateClass(CLASS.circle, d.index);
};
c3_chart_internal_fn.classCircles = function (d) {
    return this.classShapes(d) + this.generateClass(CLASS.circles, d.id);
};
c3_chart_internal_fn.classBar = function (d) {
    return this.classShape(d) + this.generateClass(CLASS.bar, d.index);
};
c3_chart_internal_fn.classBars = function (d) {
    return this.classShapes(d) + this.generateClass(CLASS.bars, d.id);
};
c3_chart_internal_fn.classArc = function (d) {
    return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id);
};
c3_chart_internal_fn.classArcs = function (d) {
    return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id);
};
c3_chart_internal_fn.classArea = function (d) {
    return this.classShape(d) + this.generateClass(CLASS.area, d.id);
};
c3_chart_internal_fn.classAreas = function (d) {
    return this.classShapes(d) + this.generateClass(CLASS.areas, d.id);
};
c3_chart_internal_fn.classRegion = function (d, i) {
    return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : '');
};
c3_chart_internal_fn.classEvent = function (d) {
    return this.generateClass(CLASS.eventRect, d.index);
};
c3_chart_internal_fn.classTarget = function (id) {
    var $$ = this;
    var additionalClassSuffix = $$.config.data_classes[id],
        additionalClass = '';
    if (additionalClassSuffix) {
        additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;
    }
    return $$.generateClass(CLASS.target, id) + additionalClass;
};
c3_chart_internal_fn.classFocus = function (d) {
    return this.classFocused(d) + this.classDefocused(d);
};
c3_chart_internal_fn.classFocused = function (d) {
    return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : '');
};
c3_chart_internal_fn.classDefocused = function (d) {
    return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : '');
};
c3_chart_internal_fn.classChartText = function (d) {
    return CLASS.chartText + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartLine = function (d) {
    return CLASS.chartLine + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartBar = function (d) {
    return CLASS.chartBar + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartArc = function (d) {
    return CLASS.chartArc + this.classTarget(d.data.id);
};
c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
    return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : '';
};
c3_chart_internal_fn.selectorTarget = function (id, prefix) {
    return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorTargets = function (ids, prefix) {
    var $$ = this;
    ids = ids || [];
    return ids.length ? ids.map(function (id) {
        return $$.selectorTarget(id, prefix);
    }) : null;
};
c3_chart_internal_fn.selectorLegend = function (id) {
    return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorLegends = function (ids) {
    var $$ = this;
    return ids && ids.length ? ids.map(function (id) {
        return $$.selectorLegend(id);
    }) : null;
};

c3_chart_internal_fn.getClipPath = function (id) {
    var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
    return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
};
c3_chart_internal_fn.appendClip = function (parent, id) {
    return parent.append("clipPath").attr("id", id).append("rect");
};
c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
    // axis line width + padding for left
    var left = Math.max(30, this.margin.left);
    return forHorizontal ? -(1 + left) : -(left - 1);
};
c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
    return forHorizontal ? -20 : -this.margin.top;
};
c3_chart_internal_fn.getXAxisClipX = function () {
    var $$ = this;
    return $$.getAxisClipX(!$$.config.axis_rotated);
};
c3_chart_internal_fn.getXAxisClipY = function () {
    var $$ = this;
    return $$.getAxisClipY(!$$.config.axis_rotated);
};
c3_chart_internal_fn.getYAxisClipX = function () {
    var $$ = this;
    return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated);
};
c3_chart_internal_fn.getYAxisClipY = function () {
    var $$ = this;
    return $$.getAxisClipY($$.config.axis_rotated);
};
c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) {
    var $$ = this,
        left = Math.max(30, $$.margin.left),
        right = Math.max(30, $$.margin.right);
    // width + axis line width + padding for left/right
    return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20;
};
c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
    // less than 20 is not enough to show the axis label 'outer' without legend
    return (forHorizontal ? this.margin.bottom : this.margin.top + this.height) + 20;
};
c3_chart_internal_fn.getXAxisClipWidth = function () {
    var $$ = this;
    return $$.getAxisClipWidth(!$$.config.axis_rotated);
};
c3_chart_internal_fn.getXAxisClipHeight = function () {
    var $$ = this;
    return $$.getAxisClipHeight(!$$.config.axis_rotated);
};
c3_chart_internal_fn.getYAxisClipWidth = function () {
    var $$ = this;
    return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0);
};
c3_chart_internal_fn.getYAxisClipHeight = function () {
    var $$ = this;
    return $$.getAxisClipHeight($$.config.axis_rotated);
};

c3_chart_internal_fn.generateColor = function () {
    var $$ = this,
        config = $$.config,
        d3 = $$.d3,
        colors = config.data_colors,
        pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(),
        callback = config.data_color,
        ids = [];

    return function (d) {
        var id = d.id || d.data && d.data.id || d,
            color;

        // if callback function is provided
        if (colors[id] instanceof Function) {
            color = colors[id](d);
        }
        // if specified, choose that color
        else if (colors[id]) {
                color = colors[id];
            }
            // if not specified, choose from pattern
            else {
                    if (ids.indexOf(id) < 0) {
                        ids.push(id);
                    }
                    color = pattern[ids.indexOf(id) % pattern.length];
                    colors[id] = color;
                }
        return callback instanceof Function ? callback(color, d) : color;
    };
};
c3_chart_internal_fn.generateLevelColor = function () {
    var $$ = this,
        config = $$.config,
        colors = config.color_pattern,
        threshold = config.color_threshold,
        asValue = threshold.unit === 'value',
        values = threshold.values && threshold.values.length ? threshold.values : [],
        max = threshold.max || 100;
    return notEmpty(config.color_threshold) ? function (value) {
        var i,
            v,
            color = colors[colors.length - 1];
        for (i = 0; i < values.length; i++) {
            v = asValue ? value : value * 100 / max;
            if (v < values[i]) {
                color = colors[i];
                break;
            }
        }
        return color;
    } : null;
};

c3_chart_internal_fn.getDefaultConfig = function () {
    var config = {
        bindto: '#chart',
        svg_classname: undefined,
        size_width: undefined,
        size_height: undefined,
        padding_left: undefined,
        padding_right: undefined,
        padding_top: undefined,
        padding_bottom: undefined,
        resize_auto: true,
        zoom_enabled: false,
        zoom_extent: undefined,
        zoom_privileged: false,
        zoom_rescale: false,
        zoom_onzoom: function zoom_onzoom() {},
        zoom_onzoomstart: function zoom_onzoomstart() {},
        zoom_onzoomend: function zoom_onzoomend() {},
        zoom_x_min: undefined,
        zoom_x_max: undefined,
        interaction_brighten: true,
        interaction_enabled: true,
        onmouseover: function onmouseover() {},
        onmouseout: function onmouseout() {},
        onresize: function onresize() {},
        onresized: function onresized() {},
        oninit: function oninit() {},
        onrendered: function onrendered() {},
        transition_duration: 350,
        data_x: undefined,
        data_xs: {},
        data_xFormat: '%Y-%m-%d',
        data_xLocaltime: true,
        data_xSort: true,
        data_idConverter: function data_idConverter(id) {
            return id;
        },
        data_names: {},
        data_classes: {},
        data_groups: [],
        data_axes: {},
        data_type: undefined,
        data_types: {},
        data_labels: {},
        data_order: 'desc',
        data_regions: {},
        data_color: undefined,
        data_colors: {},
        data_hide: false,
        data_filter: undefined,
        data_selection_enabled: false,
        data_selection_grouped: false,
        data_selection_isselectable: function data_selection_isselectable() {
            return true;
        },
        data_selection_multiple: true,
        data_selection_draggable: false,
        data_onclick: function data_onclick() {},
        data_onmouseover: function data_onmouseover() {},
        data_onmouseout: function data_onmouseout() {},
        data_onselected: function data_onselected() {},
        data_onunselected: function data_onunselected() {},
        data_url: undefined,
        data_headers: undefined,
        data_json: undefined,
        data_rows: undefined,
        data_columns: undefined,
        data_mimeType: undefined,
        data_keys: undefined,
        // configuration for no plot-able data supplied.
        data_empty_label_text: "",
        // subchart
        subchart_show: false,
        subchart_size_height: 60,
        subchart_axis_x_show: true,
        subchart_onbrush: function subchart_onbrush() {},
        // color
        color_pattern: [],
        color_threshold: {},
        // legend
        legend_show: true,
        legend_hide: false,
        legend_position: 'bottom',
        legend_inset_anchor: 'top-left',
        legend_inset_x: 10,
        legend_inset_y: 0,
        legend_inset_step: undefined,
        legend_item_onclick: undefined,
        legend_item_onmouseover: undefined,
        legend_item_onmouseout: undefined,
        legend_equally: false,
        legend_padding: 0,
        legend_item_tile_width: 10,
        legend_item_tile_height: 10,
        // axis
        axis_rotated: false,
        axis_x_show: true,
        axis_x_type: 'indexed',
        axis_x_localtime: true,
        axis_x_categories: [],
        axis_x_tick_centered: false,
        axis_x_tick_format: undefined,
        axis_x_tick_culling: {},
        axis_x_tick_culling_max: 10,
        axis_x_tick_count: undefined,
        axis_x_tick_fit: true,
        axis_x_tick_values: null,
        axis_x_tick_rotate: 0,
        axis_x_tick_outer: true,
        axis_x_tick_multiline: true,
        axis_x_tick_width: null,
        axis_x_max: undefined,
        axis_x_min: undefined,
        axis_x_padding: {},
        axis_x_height: undefined,
        axis_x_extent: undefined,
        axis_x_label: {},
        axis_y_show: true,
        axis_y_type: undefined,
        axis_y_max: undefined,
        axis_y_min: undefined,
        axis_y_inverted: false,
        axis_y_center: undefined,
        axis_y_inner: undefined,
        axis_y_label: {},
        axis_y_tick_format: undefined,
        axis_y_tick_outer: true,
        axis_y_tick_values: null,
        axis_y_tick_rotate: 0,
        axis_y_tick_count: undefined,
        axis_y_tick_time_value: undefined,
        axis_y_tick_time_interval: undefined,
        axis_y_padding: {},
        axis_y_default: undefined,
        axis_y2_show: false,
        axis_y2_max: undefined,
        axis_y2_min: undefined,
        axis_y2_inverted: false,
        axis_y2_center: undefined,
        axis_y2_inner: undefined,
        axis_y2_label: {},
        axis_y2_tick_format: undefined,
        axis_y2_tick_outer: true,
        axis_y2_tick_values: null,
        axis_y2_tick_count: undefined,
        axis_y2_padding: {},
        axis_y2_default: undefined,
        // grid
        grid_x_show: false,
        grid_x_type: 'tick',
        grid_x_lines: [],
        grid_y_show: false,
        // not used
        // grid_y_type: 'tick',
        grid_y_lines: [],
        grid_y_ticks: 10,
        grid_focus_show: true,
        grid_lines_front: true,
        // point - point of each data
        point_show: true,
        point_r: 2.5,
        point_sensitivity: 10,
        point_focus_expand_enabled: true,
        point_focus_expand_r: undefined,
        point_select_r: undefined,
        // line
        line_connectNull: false,
        line_step_type: 'step',
        // bar
        bar_width: undefined,
        bar_width_ratio: 0.6,
        bar_width_max: undefined,
        bar_zerobased: true,
        // area
        area_zerobased: true,
        area_above: false,
        // pie
        pie_label_show: true,
        pie_label_format: undefined,
        pie_label_threshold: 0.05,
        pie_label_ratio: undefined,
        pie_expand: {},
        pie_expand_duration: 50,
        // gauge
        gauge_fullCircle: false,
        gauge_label_show: true,
        gauge_label_format: undefined,
        gauge_min: 0,
        gauge_max: 100,
        gauge_startingAngle: -1 * Math.PI / 2,
        gauge_label_extents: undefined,
        gauge_units: undefined,
        gauge_width: undefined,
        gauge_expand: {},
        gauge_expand_duration: 50,
        // donut
        donut_label_show: true,
        donut_label_format: undefined,
        donut_label_threshold: 0.05,
        donut_label_ratio: undefined,
        donut_width: undefined,
        donut_title: "",
        donut_expand: {},
        donut_expand_duration: 50,
        // spline
        spline_interpolation_type: 'cardinal',
        // region - region to change style
        regions: [],
        // tooltip - show when mouseover on each data
        tooltip_show: true,
        tooltip_grouped: true,
        tooltip_order: undefined,
        tooltip_format_title: undefined,
        tooltip_format_name: undefined,
        tooltip_format_value: undefined,
        tooltip_position: undefined,
        tooltip_contents: function tooltip_contents(d, defaultTitleFormat, defaultValueFormat, color) {
            return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : '';
        },
        tooltip_init_show: false,
        tooltip_init_x: 0,
        tooltip_init_position: { top: '0px', left: '50px' },
        tooltip_onshow: function tooltip_onshow() {},
        tooltip_onhide: function tooltip_onhide() {},
        // title
        title_text: undefined,
        title_padding: {
            top: 0,
            right: 0,
            bottom: 0,
            left: 0
        },
        title_position: 'top-center'
    };

    Object.keys(this.additionalConfig).forEach(function (key) {
        config[key] = this.additionalConfig[key];
    }, this);

    return config;
};
c3_chart_internal_fn.additionalConfig = {};

c3_chart_internal_fn.loadConfig = function (config) {
    var this_config = this.config,
        target,
        keys,
        read;
    function find() {
        var key = keys.shift();
        //        console.log("key =>", key, ", target =>", target);
        if (key && target && (typeof target === 'undefined' ? 'undefined' : _typeof(target)) === 'object' && key in target) {
            target = target[key];
            return find();
        } else if (!key) {
            return target;
        } else {
            return undefined;
        }
    }
    Object.keys(this_config).forEach(function (key) {
        target = config;
        keys = key.split('_');
        read = find();
        //        console.log("CONFIG : ", key, read);
        if (isDefined(read)) {
            this_config[key] = read;
        }
    });
};

c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys, done) {
    var $$ = this,
        type = mimeType ? mimeType : 'csv';
    var req = $$.d3.xhr(url);
    if (headers) {
        Object.keys(headers).forEach(function (header) {
            req.header(header, headers[header]);
        });
    }
    req.get(function (error, data) {
        var d;
        var dataResponse = data.response || data.responseText; // Fixes IE9 XHR issue; see #1345
        if (!data) {
            throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
        }
        if (type === 'json') {
            d = $$.convertJsonToData(JSON.parse(dataResponse), keys);
        } else if (type === 'tsv') {
            d = $$.convertTsvToData(dataResponse);
        } else {
            d = $$.convertCsvToData(dataResponse);
        }
        done.call($$, d);
    });
};
c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
    var rows = parser.parseRows(xsv),
        d;
    if (rows.length === 1) {
        d = [{}];
        rows[0].forEach(function (id) {
            d[0][id] = null;
        });
    } else {
        d = parser.parse(xsv);
    }
    return d;
};
c3_chart_internal_fn.convertCsvToData = function (csv) {
    return this.convertXsvToData(csv, this.d3.csv);
};
c3_chart_internal_fn.convertTsvToData = function (tsv) {
    return this.convertXsvToData(tsv, this.d3.tsv);
};
c3_chart_internal_fn.convertJsonToData = function (json, keys) {
    var $$ = this,
        new_rows = [],
        targetKeys,
        data;
    if (keys) {
        // when keys specified, json would be an array that includes objects
        if (keys.x) {
            targetKeys = keys.value.concat(keys.x);
            $$.config.data_x = keys.x;
        } else {
            targetKeys = keys.value;
        }
        new_rows.push(targetKeys);
        json.forEach(function (o) {
            var new_row = [];
            targetKeys.forEach(function (key) {
                // convert undefined to null because undefined data will be removed in convertDataToTargets()
                var v = $$.findValueInJson(o, key);
                if (isUndefined(v)) {
                    v = null;
                }
                new_row.push(v);
            });
            new_rows.push(new_row);
        });
        data = $$.convertRowsToData(new_rows);
    } else {
        Object.keys(json).forEach(function (key) {
            new_rows.push([key].concat(json[key]));
        });
        data = $$.convertColumnsToData(new_rows);
    }
    return data;
};
c3_chart_internal_fn.findValueInJson = function (object, path) {
    path = path.replace(/\[(\w+)\]/g, '.$1'); // convert indexes to properties (replace [] with .)
    path = path.replace(/^\./, ''); // strip a leading dot
    var pathArray = path.split('.');
    for (var i = 0; i < pathArray.length; ++i) {
        var k = pathArray[i];
        if (k in object) {
            object = object[k];
        } else {
            return;
        }
    }
    return object;
};

/**
 * Converts the rows to normalized data.
 * @param {any[][]} rows The row data
 * @return {Object[]}
 */
c3_chart_internal_fn.convertRowsToData = function (rows) {
    var newRows = [];
    var keys = rows[0];

    for (var i = 1; i < rows.length; i++) {
        var newRow = {};
        for (var j = 0; j < rows[i].length; j++) {
            if (isUndefined(rows[i][j])) {
                throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
            }
            newRow[keys[j]] = rows[i][j];
        }
        newRows.push(newRow);
    }
    return newRows;
};

/**
 * Converts the columns to normalized data.
 * @param {any[][]} columns The column data
 * @return {Object[]}
 */
c3_chart_internal_fn.convertColumnsToData = function (columns) {
    var newRows = [];

    for (var i = 0; i < columns.length; i++) {
        var key = columns[i][0];
        for (var j = 1; j < columns[i].length; j++) {
            if (isUndefined(newRows[j - 1])) {
                newRows[j - 1] = {};
            }
            if (isUndefined(columns[i][j])) {
                throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
            }
            newRows[j - 1][key] = columns[i][j];
        }
    }

    return newRows;
};

c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
    var $$ = this,
        config = $$.config,
        ids = $$.d3.keys(data[0]).filter($$.isNotX, $$),
        xs = $$.d3.keys(data[0]).filter($$.isX, $$),
        targets;

    // save x for update data by load when custom x and c3.x API
    ids.forEach(function (id) {
        var xKey = $$.getXKey(id);

        if ($$.isCustomX() || $$.isTimeSeries()) {
            // if included in input data
            if (xs.indexOf(xKey) >= 0) {
                $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(data.map(function (d) {
                    return d[xKey];
                }).filter(isValue).map(function (rawX, i) {
                    return $$.generateTargetX(rawX, id, i);
                }));
            }
            // if not included in input data, find from preloaded data of other id's x
            else if (config.data_x) {
                    $$.data.xs[id] = $$.getOtherTargetXs();
                }
                // if not included in input data, find from preloaded data
                else if (notEmpty(config.data_xs)) {
                        $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
                    }
            // MEMO: if no x included, use same x of current will be used
        } else {
            $$.data.xs[id] = data.map(function (d, i) {
                return i;
            });
        }
    });

    // check x is defined
    ids.forEach(function (id) {
        if (!$$.data.xs[id]) {
            throw new Error('x is not defined for id = "' + id + '".');
        }
    });

    // convert to target
    targets = ids.map(function (id, index) {
        var convertedId = config.data_idConverter(id);
        return {
            id: convertedId,
            id_org: id,
            values: data.map(function (d, i) {
                var xKey = $$.getXKey(id),
                    rawX = d[xKey],
                    value = d[id] !== null && !isNaN(d[id]) ? +d[id] : null,
                    x;
                // use x as categories if custom x and categorized
                if ($$.isCustomX() && $$.isCategorized() && !isUndefined(rawX)) {
                    if (index === 0 && i === 0) {
                        config.axis_x_categories = [];
                    }
                    x = config.axis_x_categories.indexOf(rawX);
                    if (x === -1) {
                        x = config.axis_x_categories.length;
                        config.axis_x_categories.push(rawX);
                    }
                } else {
                    x = $$.generateTargetX(rawX, id, i);
                }
                // mark as x = undefined if value is undefined and filter to remove after mapped
                if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
                    x = undefined;
                }
                return { x: x, value: value, id: convertedId };
            }).filter(function (v) {
                return isDefined(v.x);
            })
        };
    });

    // finish targets
    targets.forEach(function (t) {
        var i;
        // sort values by its x
        if (config.data_xSort) {
            t.values = t.values.sort(function (v1, v2) {
                var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
                    x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
                return x1 - x2;
            });
        }
        // indexing each value
        i = 0;
        t.values.forEach(function (v) {
            v.index = i++;
        });
        // this needs to be sorted because its index and value.index is identical
        $$.data.xs[t.id].sort(function (v1, v2) {
            return v1 - v2;
        });
    });

    // cache information about values
    $$.hasNegativeValue = $$.hasNegativeValueInTargets(targets);
    $$.hasPositiveValue = $$.hasPositiveValueInTargets(targets);

    // set target types
    if (config.data_type) {
        $$.setTargetType($$.mapToIds(targets).filter(function (id) {
            return !(id in config.data_types);
        }), config.data_type);
    }

    // cache as original id keyed
    targets.forEach(function (d) {
        $$.addCache(d.id_org, d);
    });

    return targets;
};

c3_chart_internal_fn.isX = function (key) {
    var $$ = this,
        config = $$.config;
    return config.data_x && key === config.data_x || notEmpty(config.data_xs) && hasValue(config.data_xs, key);
};
c3_chart_internal_fn.isNotX = function (key) {
    return !this.isX(key);
};
c3_chart_internal_fn.getXKey = function (id) {
    var $$ = this,
        config = $$.config;
    return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null;
};
c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
    var $$ = this,
        xValues,
        ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
    ids.forEach(function (id) {
        if ($$.getXKey(id) === key) {
            xValues = $$.data.xs[id];
        }
    });
    return xValues;
};
c3_chart_internal_fn.getIndexByX = function (x) {
    var $$ = this,
        data = $$.filterByX($$.data.targets, x);
    return data.length ? data[0].index : null;
};
c3_chart_internal_fn.getXValue = function (id, i) {
    var $$ = this;
    return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
};
c3_chart_internal_fn.getOtherTargetXs = function () {
    var $$ = this,
        idsForX = Object.keys($$.data.xs);
    return idsForX.length ? $$.data.xs[idsForX[0]] : null;
};
c3_chart_internal_fn.getOtherTargetX = function (index) {
    var xs = this.getOtherTargetXs();
    return xs && index < xs.length ? xs[index] : null;
};
c3_chart_internal_fn.addXs = function (xs) {
    var $$ = this;
    Object.keys(xs).forEach(function (id) {
        $$.config.data_xs[id] = xs[id];
    });
};
c3_chart_internal_fn.hasMultipleX = function (xs) {
    return this.d3.set(Object.keys(xs).map(function (id) {
        return xs[id];
    })).size() > 1;
};
c3_chart_internal_fn.isMultipleX = function () {
    return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter');
};
c3_chart_internal_fn.addName = function (data) {
    var $$ = this,
        name;
    if (data) {
        name = $$.config.data_names[data.id];
        data.name = name !== undefined ? name : data.id;
    }
    return data;
};
c3_chart_internal_fn.getValueOnIndex = function (values, index) {
    var valueOnIndex = values.filter(function (v) {
        return v.index === index;
    });
    return valueOnIndex.length ? valueOnIndex[0] : null;
};
c3_chart_internal_fn.updateTargetX = function (targets, x) {
    var $$ = this;
    targets.forEach(function (t) {
        t.values.forEach(function (v, i) {
            v.x = $$.generateTargetX(x[i], t.id, i);
        });
        $$.data.xs[t.id] = x;
    });
};
c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
    var $$ = this;
    targets.forEach(function (t) {
        if (xs[t.id]) {
            $$.updateTargetX([t], xs[t.id]);
        }
    });
};
c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
    var $$ = this,
        x;
    if ($$.isTimeSeries()) {
        x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
    } else if ($$.isCustomX() && !$$.isCategorized()) {
        x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
    } else {
        x = index;
    }
    return x;
};
c3_chart_internal_fn.cloneTarget = function (target) {
    return {
        id: target.id,
        id_org: target.id_org,
        values: target.values.map(function (d) {
            return { x: d.x, value: d.value, id: d.id };
        })
    };
};
c3_chart_internal_fn.updateXs = function () {
    var $$ = this;
    if ($$.data.targets.length) {
        $$.xs = [];
        $$.data.targets[0].values.forEach(function (v) {
            $$.xs[v.index] = v.x;
        });
    }
};
c3_chart_internal_fn.getPrevX = function (i) {
    var x = this.xs[i - 1];
    return typeof x !== 'undefined' ? x : null;
};
c3_chart_internal_fn.getNextX = function (i) {
    var x = this.xs[i + 1];
    return typeof x !== 'undefined' ? x : null;
};
c3_chart_internal_fn.getMaxDataCount = function () {
    var $$ = this;
    return $$.d3.max($$.data.targets, function (t) {
        return t.values.length;
    });
};
c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
    var length = targets.length,
        max = 0,
        maxTarget;
    if (length > 1) {
        targets.forEach(function (t) {
            if (t.values.length > max) {
                maxTarget = t;
                max = t.values.length;
            }
        });
    } else {
        maxTarget = length ? targets[0] : null;
    }
    return maxTarget;
};
c3_chart_internal_fn.getEdgeX = function (targets) {
    var $$ = this;
    return !targets.length ? [0, 0] : [$$.d3.min(targets, function (t) {
        return t.values[0].x;
    }), $$.d3.max(targets, function (t) {
        return t.values[t.values.length - 1].x;
    })];
};
c3_chart_internal_fn.mapToIds = function (targets) {
    return targets.map(function (d) {
        return d.id;
    });
};
c3_chart_internal_fn.mapToTargetIds = function (ids) {
    var $$ = this;
    return ids ? [].concat(ids) : $$.mapToIds($$.data.targets);
};
c3_chart_internal_fn.hasTarget = function (targets, id) {
    var ids = this.mapToIds(targets),
        i;
    for (i = 0; i < ids.length; i++) {
        if (ids[i] === id) {
            return true;
        }
    }
    return false;
};
c3_chart_internal_fn.isTargetToShow = function (targetId) {
    return this.hiddenTargetIds.indexOf(targetId) < 0;
};
c3_chart_internal_fn.isLegendToShow = function (targetId) {
    return this.hiddenLegendIds.indexOf(targetId) < 0;
};
c3_chart_internal_fn.filterTargetsToShow = function (targets) {
    var $$ = this;
    return targets.filter(function (t) {
        return $$.isTargetToShow(t.id);
    });
};
c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
    var $$ = this;
    var xs = $$.d3.set($$.d3.merge(targets.map(function (t) {
        return t.values.map(function (v) {
            return +v.x;
        });
    }))).values();
    xs = $$.isTimeSeries() ? xs.map(function (x) {
        return new Date(+x);
    }) : xs.map(function (x) {
        return +x;
    });
    return xs.sort(function (a, b) {
        return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
    });
};
c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
    targetIds = targetIds instanceof Array ? targetIds : new Array(targetIds);
    for (var i = 0; i < targetIds.length; i++) {
        if (this.hiddenTargetIds.indexOf(targetIds[i]) < 0) {
            this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds[i]);
        }
    }
};
c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
    this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) {
        return targetIds.indexOf(id) < 0;
    });
};
c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
    targetIds = targetIds instanceof Array ? targetIds : new Array(targetIds);
    for (var i = 0; i < targetIds.length; i++) {
        if (this.hiddenLegendIds.indexOf(targetIds[i]) < 0) {
            this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds[i]);
        }
    }
};
c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
    this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) {
        return targetIds.indexOf(id) < 0;
    });
};
c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
    var ys = {};
    targets.forEach(function (t) {
        ys[t.id] = [];
        t.values.forEach(function (v) {
            ys[t.id].push(v.value);
        });
    });
    return ys;
};
c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
    var ids = Object.keys(targets),
        i,
        j,
        values;
    for (i = 0; i < ids.length; i++) {
        values = targets[ids[i]].values;
        for (j = 0; j < values.length; j++) {
            if (checker(values[j].value)) {
                return true;
            }
        }
    }
    return false;
};
c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
    return this.checkValueInTargets(targets, function (v) {
        return v < 0;
    });
};
c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
    return this.checkValueInTargets(targets, function (v) {
        return v > 0;
    });
};
c3_chart_internal_fn.isOrderDesc = function () {
    var config = this.config;
    return typeof config.data_order === 'string' && config.data_order.toLowerCase() === 'desc';
};
c3_chart_internal_fn.isOrderAsc = function () {
    var config = this.config;
    return typeof config.data_order === 'string' && config.data_order.toLowerCase() === 'asc';
};
c3_chart_internal_fn.orderTargets = function (targets) {
    var $$ = this,
        config = $$.config,
        orderAsc = $$.isOrderAsc(),
        orderDesc = $$.isOrderDesc();
    if (orderAsc || orderDesc) {
        targets.sort(function (t1, t2) {
            var reducer = function reducer(p, c) {
                return p + Math.abs(c.value);
            };
            var t1Sum = t1.values.reduce(reducer, 0),
                t2Sum = t2.values.reduce(reducer, 0);
            return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
        });
    } else if (isFunction(config.data_order)) {
        targets.sort(config.data_order);
    } else if (isArray(config.data_order)) {
        targets.sort(function (t1, t2) {
            return config.data_order.indexOf(t1.id) - config.data_order.indexOf(t2.id);
        });
    }
    return targets;
};
c3_chart_internal_fn.filterByX = function (targets, x) {
    return this.d3.merge(targets.map(function (t) {
        return t.values;
    })).filter(function (v) {
        return v.x - x === 0;
    });
};
c3_chart_internal_fn.filterRemoveNull = function (data) {
    return data.filter(function (d) {
        return isValue(d.value);
    });
};
c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) {
    return targets.map(function (t) {
        return {
            id: t.id,
            id_org: t.id_org,
            values: t.values.filter(function (v) {
                return xDomain[0] <= v.x && v.x <= xDomain[1];
            })
        };
    });
};
c3_chart_internal_fn.hasDataLabel = function () {
    var config = this.config;
    if (typeof config.data_labels === 'boolean' && config.data_labels) {
        return true;
    } else if (_typeof(config.data_labels) === 'object' && notEmpty(config.data_labels)) {
        return true;
    }
    return false;
};
c3_chart_internal_fn.getDataLabelLength = function (min, max, key) {
    var $$ = this,
        lengths = [0, 0],
        paddingCoef = 1.3;
    $$.selectChart.select('svg').selectAll('.dummy').data([min, max]).enter().append('text').text(function (d) {
        return $$.dataLabelFormat(d.id)(d);
    }).each(function (d, i) {
        lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
    }).remove();
    return lengths;
};
c3_chart_internal_fn.isNoneArc = function (d) {
    return this.hasTarget(this.data.targets, d.id);
}, c3_chart_internal_fn.isArc = function (d) {
    return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
};
c3_chart_internal_fn.findSameXOfValues = function (values, index) {
    var i,
        targetX = values[index].x,
        sames = [];
    for (i = index - 1; i >= 0; i--) {
        if (targetX !== values[i].x) {
            break;
        }
        sames.push(values[i]);
    }
    for (i = index; i < values.length; i++) {
        if (targetX !== values[i].x) {
            break;
        }
        sames.push(values[i]);
    }
    return sames;
};

c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
    var $$ = this,
        candidates;

    // map to array of closest points of each target
    candidates = targets.map(function (target) {
        return $$.findClosest(target.values, pos);
    });

    // decide closest point and return
    return $$.findClosest(candidates, pos);
};
c3_chart_internal_fn.findClosest = function (values, pos) {
    var $$ = this,
        minDist = $$.config.point_sensitivity,
        closest;

    // find mouseovering bar
    values.filter(function (v) {
        return v && $$.isBarType(v.id);
    }).forEach(function (v) {
        var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
        if (!closest && $$.isWithinBar(shape)) {
            closest = v;
        }
    });

    // find closest point from non-bar
    values.filter(function (v) {
        return v && !$$.isBarType(v.id);
    }).forEach(function (v) {
        var d = $$.dist(v, pos);
        if (d < minDist) {
            minDist = d;
            closest = v;
        }
    });

    return closest;
};
c3_chart_internal_fn.dist = function (data, pos) {
    var $$ = this,
        config = $$.config,
        xIndex = config.axis_rotated ? 1 : 0,
        yIndex = config.axis_rotated ? 0 : 1,
        y = $$.circleY(data, data.index),
        x = $$.x(data.x);
    return Math.sqrt(Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2));
};
c3_chart_internal_fn.convertValuesToStep = function (values) {
    var converted = [].concat(values),
        i;

    if (!this.isCategorized()) {
        return values;
    }

    for (i = values.length + 1; 0 < i; i--) {
        converted[i] = converted[i - 1];
    }

    converted[0] = {
        x: converted[0].x - 1,
        value: converted[0].value,
        id: converted[0].id
    };
    converted[values.length + 1] = {
        x: converted[values.length].x + 1,
        value: converted[values.length].value,
        id: converted[values.length].id
    };

    return converted;
};
c3_chart_internal_fn.updateDataAttributes = function (name, attrs) {
    var $$ = this,
        config = $$.config,
        current = config['data_' + name];
    if (typeof attrs === 'undefined') {
        return current;
    }
    Object.keys(attrs).forEach(function (id) {
        current[id] = attrs[id];
    });
    $$.redraw({ withLegend: true });
    return current;
};

c3_chart_internal_fn.load = function (targets, args) {
    var $$ = this;
    if (targets) {
        // filter loading targets if needed
        if (args.filter) {
            targets = targets.filter(args.filter);
        }
        // set type if args.types || args.type specified
        if (args.type || args.types) {
            targets.forEach(function (t) {
                var type = args.types && args.types[t.id] ? args.types[t.id] : args.type;
                $$.setTargetType(t.id, type);
            });
        }
        // Update/Add data
        $$.data.targets.forEach(function (d) {
            for (var i = 0; i < targets.length; i++) {
                if (d.id === targets[i].id) {
                    d.values = targets[i].values;
                    targets.splice(i, 1);
                    break;
                }
            }
        });
        $$.data.targets = $$.data.targets.concat(targets); // add remained
    }

    // Set targets
    $$.updateTargets($$.data.targets);

    // Redraw with new targets
    $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });

    if (args.done) {
        args.done();
    }
};
c3_chart_internal_fn.loadFromArgs = function (args) {
    var $$ = this;
    if (args.data) {
        $$.load($$.convertDataToTargets(args.data), args);
    } else if (args.url) {
        $$.convertUrlToData(args.url, args.mimeType, args.headers, args.keys, function (data) {
            $$.load($$.convertDataToTargets(data), args);
        });
    } else if (args.json) {
        $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
    } else if (args.rows) {
        $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
    } else if (args.columns) {
        $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
    } else {
        $$.load(null, args);
    }
};
c3_chart_internal_fn.unload = function (targetIds, done) {
    var $$ = this;
    if (!done) {
        done = function done() {};
    }
    // filter existing target
    targetIds = targetIds.filter(function (id) {
        return $$.hasTarget($$.data.targets, id);
    });
    // If no target, call done and return
    if (!targetIds || targetIds.length === 0) {
        done();
        return;
    }
    $$.svg.selectAll(targetIds.map(function (id) {
        return $$.selectorTarget(id);
    })).transition().style('opacity', 0).remove().call($$.endall, done);
    targetIds.forEach(function (id) {
        // Reset fadein for future load
        $$.withoutFadeIn[id] = false;
        // Remove target's elements
        if ($$.legend) {
            $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove();
        }
        // Remove target
        $$.data.targets = $$.data.targets.filter(function (t) {
            return t.id !== id;
        });
    });
};

c3_chart_internal_fn.getYDomainMin = function (targets) {
    var $$ = this,
        config = $$.config,
        ids = $$.mapToIds(targets),
        ys = $$.getValuesAsIdKeyed(targets),
        j,
        k,
        baseId,
        idsInGroup,
        id,
        hasNegativeValue;
    if (config.data_groups.length > 0) {
        hasNegativeValue = $$.hasNegativeValueInTargets(targets);
        for (j = 0; j < config.data_groups.length; j++) {
            // Determine baseId
            idsInGroup = config.data_groups[j].filter(function (id) {
                return ids.indexOf(id) >= 0;
            });
            if (idsInGroup.length === 0) {
                continue;
            }
            baseId = idsInGroup[0];
            // Consider negative values
            if (hasNegativeValue && ys[baseId]) {
                ys[baseId].forEach(function (v, i) {
                    ys[baseId][i] = v < 0 ? v : 0;
                });
            }
            // Compute min
            for (k = 1; k < idsInGroup.length; k++) {
                id = idsInGroup[k];
                if (!ys[id]) {
                    continue;
                }
                ys[id].forEach(function (v, i) {
                    if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
                        ys[baseId][i] += +v;
                    }
                });
            }
        }
    }
    return $$.d3.min(Object.keys(ys).map(function (key) {
        return $$.d3.min(ys[key]);
    }));
};
c3_chart_internal_fn.getYDomainMax = function (targets) {
    var $$ = this,
        config = $$.config,
        ids = $$.mapToIds(targets),
        ys = $$.getValuesAsIdKeyed(targets),
        j,
        k,
        baseId,
        idsInGroup,
        id,
        hasPositiveValue;
    if (config.data_groups.length > 0) {
        hasPositiveValue = $$.hasPositiveValueInTargets(targets);
        for (j = 0; j < config.data_groups.length; j++) {
            // Determine baseId
            idsInGroup = config.data_groups[j].filter(function (id) {
                return ids.indexOf(id) >= 0;
            });
            if (idsInGroup.length === 0) {
                continue;
            }
            baseId = idsInGroup[0];
            // Consider positive values
            if (hasPositiveValue && ys[baseId]) {
                ys[baseId].forEach(function (v, i) {
                    ys[baseId][i] = v > 0 ? v : 0;
                });
            }
            // Compute max
            for (k = 1; k < idsInGroup.length; k++) {
                id = idsInGroup[k];
                if (!ys[id]) {
                    continue;
                }
                ys[id].forEach(function (v, i) {
                    if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
                        ys[baseId][i] += +v;
                    }
                });
            }
        }
    }
    return $$.d3.max(Object.keys(ys).map(function (key) {
        return $$.d3.max(ys[key]);
    }));
};
c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
    var $$ = this,
        config = $$.config,
        targetsByAxisId = targets.filter(function (t) {
        return $$.axis.getId(t.id) === axisId;
    }),
        yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId,
        yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
        yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
        yDomainMin = $$.getYDomainMin(yTargets),
        yDomainMax = $$.getYDomainMax(yTargets),
        domain,
        domainLength,
        padding,
        padding_top,
        padding_bottom,
        center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center,
        yDomainAbs,
        lengths,
        diff,
        ratio,
        isAllPositive,
        isAllNegative,
        isZeroBased = $$.hasType('bar', yTargets) && config.bar_zerobased || $$.hasType('area', yTargets) && config.area_zerobased,
        isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted,
        showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
        showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;

    // MEMO: avoid inverting domain unexpectedly
    yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? yDomainMin < yMax ? yDomainMin : yMax - 10 : yDomainMin;
    yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? yMin < yDomainMax ? yDomainMax : yMin + 10 : yDomainMax;

    if (yTargets.length === 0) {
        // use current domain if target of axisId is none
        return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
    }
    if (isNaN(yDomainMin)) {
        // set minimum to zero when not number
        yDomainMin = 0;
    }
    if (isNaN(yDomainMax)) {
        // set maximum to have same value as yDomainMin
        yDomainMax = yDomainMin;
    }
    if (yDomainMin === yDomainMax) {
        yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
    }
    isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
    isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;

    // Cancel zerobased if axis_*_min / axis_*_max specified
    if (isValue(yMin) && isAllPositive || isValue(yMax) && isAllNegative) {
        isZeroBased = false;
    }

    // Bar/Area chart should be 0-based if all positive|negative
    if (isZeroBased) {
        if (isAllPositive) {
            yDomainMin = 0;
        }
        if (isAllNegative) {
            yDomainMax = 0;
        }
    }

    domainLength = Math.abs(yDomainMax - yDomainMin);
    padding = padding_top = padding_bottom = domainLength * 0.1;

    if (typeof center !== 'undefined') {
        yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
        yDomainMax = center + yDomainAbs;
        yDomainMin = center - yDomainAbs;
    }
    // add padding for data label
    if (showHorizontalDataLabel) {
        lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');
        diff = diffDomain($$.y.range());
        ratio = [lengths[0] / diff, lengths[1] / diff];
        padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
        padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
    } else if (showVerticalDataLabel) {
        lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');
        padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength);
        padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength);
    }
    if (axisId === 'y' && notEmpty(config.axis_y_padding)) {
        padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength);
        padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);
    }
    if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {
        padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength);
        padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);
    }
    // Bar/Area chart should be 0-based if all positive|negative
    if (isZeroBased) {
        if (isAllPositive) {
            padding_bottom = yDomainMin;
        }
        if (isAllNegative) {
            padding_top = -yDomainMax;
        }
    }
    domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];
    return isInverted ? domain.reverse() : domain;
};
c3_chart_internal_fn.getXDomainMin = function (targets) {
    var $$ = this,
        config = $$.config;
    return isDefined(config.axis_x_min) ? $$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min : $$.d3.min(targets, function (t) {
        return $$.d3.min(t.values, function (v) {
            return v.x;
        });
    });
};
c3_chart_internal_fn.getXDomainMax = function (targets) {
    var $$ = this,
        config = $$.config;
    return isDefined(config.axis_x_max) ? $$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max : $$.d3.max(targets, function (t) {
        return $$.d3.max(t.values, function (v) {
            return v.x;
        });
    });
};
c3_chart_internal_fn.getXDomainPadding = function (domain) {
    var $$ = this,
        config = $$.config,
        diff = domain[1] - domain[0],
        maxDataCount,
        padding,
        paddingLeft,
        paddingRight;
    if ($$.isCategorized()) {
        padding = 0;
    } else if ($$.hasType('bar')) {
        maxDataCount = $$.getMaxDataCount();
        padding = maxDataCount > 1 ? diff / (maxDataCount - 1) / 2 : 0.5;
    } else {
        padding = diff * 0.01;
    }
    if (_typeof(config.axis_x_padding) === 'object' && notEmpty(config.axis_x_padding)) {
        paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding;
        paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding;
    } else if (typeof config.axis_x_padding === 'number') {
        paddingLeft = paddingRight = config.axis_x_padding;
    } else {
        paddingLeft = paddingRight = padding;
    }
    return { left: paddingLeft, right: paddingRight };
};
c3_chart_internal_fn.getXDomain = function (targets) {
    var $$ = this,
        xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
        firstX = xDomain[0],
        lastX = xDomain[1],
        padding = $$.getXDomainPadding(xDomain),
        min = 0,
        max = 0;
    // show center of x domain if min and max are the same
    if (firstX - lastX === 0 && !$$.isCategorized()) {
        if ($$.isTimeSeries()) {
            firstX = new Date(firstX.getTime() * 0.5);
            lastX = new Date(lastX.getTime() * 1.5);
        } else {
            firstX = firstX === 0 ? 1 : firstX * 0.5;
            lastX = lastX === 0 ? -1 : lastX * 1.5;
        }
    }
    if (firstX || firstX === 0) {
        min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
    }
    if (lastX || lastX === 0) {
        max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
    }
    return [min, max];
};
c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {
    var $$ = this,
        config = $$.config;

    if (withUpdateOrgXDomain) {
        $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
        $$.orgXDomain = $$.x.domain();
        if (config.zoom_enabled) {
            $$.zoom.scale($$.x).updateScaleExtent();
        }
        $$.subX.domain($$.x.domain());
        if ($$.brush) {
            $$.brush.scale($$.subX);
        }
    }
    if (withUpdateXDomain) {
        $$.x.domain(domain ? domain : !$$.brush || $$.brush.empty() ? $$.orgXDomain : $$.brush.extent());
        if (config.zoom_enabled) {
            $$.zoom.scale($$.x).updateScaleExtent();
        }
    }

    // Trim domain when too big by zoom mousemove event
    if (withTrim) {
        $$.x.domain($$.trimXDomain($$.x.orgDomain()));
    }

    return $$.x.domain();
};
c3_chart_internal_fn.trimXDomain = function (domain) {
    var zoomDomain = this.getZoomDomain(),
        min = zoomDomain[0],
        max = zoomDomain[1];
    if (domain[0] <= min) {
        domain[1] = +domain[1] + (min - domain[0]);
        domain[0] = min;
    }
    if (max <= domain[1]) {
        domain[0] = +domain[0] - (domain[1] - max);
        domain[1] = max;
    }
    return domain;
};

c3_chart_internal_fn.drag = function (mouse) {
    var $$ = this,
        config = $$.config,
        main = $$.main,
        d3 = $$.d3;
    var sx, sy, mx, my, minX, maxX, minY, maxY;

    if ($$.hasArcType()) {
        return;
    }
    if (!config.data_selection_enabled) {
        return;
    } // do nothing if not selectable
    if (config.zoom_enabled && !$$.zoom.altDomain) {
        return;
    } // skip if zoomable because of conflict drag dehavior
    if (!config.data_selection_multiple) {
        return;
    } // skip when single selection because drag is used for multiple selection

    sx = $$.dragStart[0];
    sy = $$.dragStart[1];
    mx = mouse[0];
    my = mouse[1];
    minX = Math.min(sx, mx);
    maxX = Math.max(sx, mx);
    minY = config.data_selection_grouped ? $$.margin.top : Math.min(sy, my);
    maxY = config.data_selection_grouped ? $$.height : Math.max(sy, my);

    main.select('.' + CLASS.dragarea).attr('x', minX).attr('y', minY).attr('width', maxX - minX).attr('height', maxY - minY);
    // TODO: binary search when multiple xs
    main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).filter(function (d) {
        return config.data_selection_isselectable(d);
    }).each(function (d, i) {
        var shape = d3.select(this),
            isSelected = shape.classed(CLASS.SELECTED),
            isIncluded = shape.classed(CLASS.INCLUDED),
            _x,
            _y,
            _w,
            _h,
            toggle,
            isWithin = false,
            box;
        if (shape.classed(CLASS.circle)) {
            _x = shape.attr("cx") * 1;
            _y = shape.attr("cy") * 1;
            toggle = $$.togglePoint;
            isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;
        } else if (shape.classed(CLASS.bar)) {
            box = getPathBox(this);
            _x = box.x;
            _y = box.y;
            _w = box.width;
            _h = box.height;
            toggle = $$.togglePath;
            isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
        } else {
            // line/area selection not supported yet
            return;
        }
        if (isWithin ^ isIncluded) {
            shape.classed(CLASS.INCLUDED, !isIncluded);
            // TODO: included/unincluded callback here
            shape.classed(CLASS.SELECTED, !isSelected);
            toggle.call($$, !isSelected, shape, d, i);
        }
    });
};

c3_chart_internal_fn.dragstart = function (mouse) {
    var $$ = this,
        config = $$.config;
    if ($$.hasArcType()) {
        return;
    }
    if (!config.data_selection_enabled) {
        return;
    } // do nothing if not selectable
    $$.dragStart = mouse;
    $$.main.select('.' + CLASS.chart).append('rect').attr('class', CLASS.dragarea).style('opacity', 0.1);
    $$.dragging = true;
};

c3_chart_internal_fn.dragend = function () {
    var $$ = this,
        config = $$.config;
    if ($$.hasArcType()) {
        return;
    }
    if (!config.data_selection_enabled) {
        return;
    } // do nothing if not selectable
    $$.main.select('.' + CLASS.dragarea).transition().duration(100).style('opacity', 0).remove();
    $$.main.selectAll('.' + CLASS.shape).classed(CLASS.INCLUDED, false);
    $$.dragging = false;
};

c3_chart_internal_fn.getYFormat = function (forArc) {
    var $$ = this,
        formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat,
        formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;
    return function (v, ratio, id) {
        var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY;
        return format.call($$, v, ratio);
    };
};
c3_chart_internal_fn.yFormat = function (v) {
    var $$ = this,
        config = $$.config,
        format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat;
    return format(v);
};
c3_chart_internal_fn.y2Format = function (v) {
    var $$ = this,
        config = $$.config,
        format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat;
    return format(v);
};
c3_chart_internal_fn.defaultValueFormat = function (v) {
    return isValue(v) ? +v : "";
};
c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
    return (ratio * 100).toFixed(1) + '%';
};
c3_chart_internal_fn.dataLabelFormat = function (targetId) {
    var $$ = this,
        data_labels = $$.config.data_labels,
        format,
        defaultFormat = function defaultFormat(v) {
        return isValue(v) ? +v : "";
    };
    // find format according to axis id
    if (typeof data_labels.format === 'function') {
        format = data_labels.format;
    } else if (_typeof(data_labels.format) === 'object') {
        if (data_labels.format[targetId]) {
            format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId];
        } else {
            format = function format() {
                return '';
            };
        }
    } else {
        format = defaultFormat;
    }
    return format;
};

c3_chart_internal_fn.initGrid = function () {
    var $$ = this,
        config = $$.config,
        d3 = $$.d3;
    $$.grid = $$.main.append('g').attr("clip-path", $$.clipPathForGrid).attr('class', CLASS.grid);
    if (config.grid_x_show) {
        $$.grid.append("g").attr("class", CLASS.xgrids);
    }
    if (config.grid_y_show) {
        $$.grid.append('g').attr('class', CLASS.ygrids);
    }
    if (config.grid_focus_show) {
        $$.grid.append('g').attr("class", CLASS.xgridFocus).append('line').attr('class', CLASS.xgridFocus);
    }
    $$.xgrid = d3.selectAll([]);
    if (!config.grid_lines_front) {
        $$.initGridLines();
    }
};
c3_chart_internal_fn.initGridLines = function () {
    var $$ = this,
        d3 = $$.d3;
    $$.gridLines = $$.main.append('g').attr("clip-path", $$.clipPathForGrid).attr('class', CLASS.grid + ' ' + CLASS.gridLines);
    $$.gridLines.append('g').attr("class", CLASS.xgridLines);
    $$.gridLines.append('g').attr('class', CLASS.ygridLines);
    $$.xgridLines = d3.selectAll([]);
};
c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
    var $$ = this,
        config = $$.config,
        d3 = $$.d3,
        xgridData = $$.generateGridData(config.grid_x_type, $$.x),
        tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;

    $$.xgridAttr = config.axis_rotated ? {
        'x1': 0,
        'x2': $$.width,
        'y1': function y1(d) {
            return $$.x(d) - tickOffset;
        },
        'y2': function y2(d) {
            return $$.x(d) - tickOffset;
        }
    } : {
        'x1': function x1(d) {
            return $$.x(d) + tickOffset;
        },
        'x2': function x2(d) {
            return $$.x(d) + tickOffset;
        },
        'y1': 0,
        'y2': $$.height
    };

    $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid).data(xgridData);
    $$.xgrid.enter().append('line').attr("class", CLASS.xgrid);
    if (!withoutUpdate) {
        $$.xgrid.attr($$.xgridAttr).style("opacity", function () {
            return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1;
        });
    }
    $$.xgrid.exit().remove();
};

c3_chart_internal_fn.updateYGrid = function () {
    var $$ = this,
        config = $$.config,
        gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
    $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid).data(gridValues);
    $$.ygrid.enter().append('line').attr('class', CLASS.ygrid);
    $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0).attr("x2", config.axis_rotated ? $$.y : $$.width).attr("y1", config.axis_rotated ? 0 : $$.y).attr("y2", config.axis_rotated ? $$.height : $$.y);
    $$.ygrid.exit().remove();
    $$.smoothLines($$.ygrid, 'grid');
};

c3_chart_internal_fn.gridTextAnchor = function (d) {
    return d.position ? d.position : "end";
};
c3_chart_internal_fn.gridTextDx = function (d) {
    return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4;
};
c3_chart_internal_fn.xGridTextX = function (d) {
    return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0;
};
c3_chart_internal_fn.yGridTextX = function (d) {
    return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width;
};
c3_chart_internal_fn.updateGrid = function (duration) {
    var $$ = this,
        main = $$.main,
        config = $$.config,
        xgridLine,
        ygridLine,
        yv;

    // hide if arc type
    $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');

    main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
    if (config.grid_x_show) {
        $$.updateXGrid();
    }
    $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine).data(config.grid_x_lines);
    // enter
    xgridLine = $$.xgridLines.enter().append('g').attr("class", function (d) {
        return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : '');
    });
    xgridLine.append('line').style("opacity", 0);
    xgridLine.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "" : "rotate(-90)").attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
    // udpate
    // done in d3.transition() of the end of this function
    // exit
    $$.xgridLines.exit().transition().duration(duration).style("opacity", 0).remove();

    // Y-Grid
    if (config.grid_y_show) {
        $$.updateYGrid();
    }
    $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine).data(config.grid_y_lines);
    // enter
    ygridLine = $$.ygridLines.enter().append('g').attr("class", function (d) {
        return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : '');
    });
    ygridLine.append('line').style("opacity", 0);
    ygridLine.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "rotate(-90)" : "").attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
    // update
    yv = $$.yv.bind($$);
    $$.ygridLines.select('line').transition().duration(duration).attr("x1", config.axis_rotated ? yv : 0).attr("x2", config.axis_rotated ? yv : $$.width).attr("y1", config.axis_rotated ? 0 : yv).attr("y2", config.axis_rotated ? $$.height : yv).style("opacity", 1);
    $$.ygridLines.select('text').transition().duration(duration).attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$)).attr("y", yv).text(function (d) {
        return d.text;
    }).style("opacity", 1);
    // exit
    $$.ygridLines.exit().transition().duration(duration).style("opacity", 0).remove();
};
c3_chart_internal_fn.redrawGrid = function (withTransition) {
    var $$ = this,
        config = $$.config,
        xv = $$.xv.bind($$),
        lines = $$.xgridLines.select('line'),
        texts = $$.xgridLines.select('text');
    return [(withTransition ? lines.transition() : lines).attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv).attr("y1", config.axis_rotated ? xv : 0).attr("y2", config.axis_rotated ? xv : $$.height).style("opacity", 1), (withTransition ? texts.transition() : texts).attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$)).attr("y", xv).text(function (d) {
        return d.text;
    }).style("opacity", 1)];
};
c3_chart_internal_fn.showXGridFocus = function (selectedData) {
    var $$ = this,
        config = $$.config,
        dataToShow = selectedData.filter(function (d) {
        return d && isValue(d.value);
    }),
        focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus),
        xx = $$.xx.bind($$);
    if (!config.tooltip_show) {
        return;
    }
    // Hide when scatter plot exists
    if ($$.hasType('scatter') || $$.hasArcType()) {
        return;
    }
    focusEl.style("visibility", "visible").data([dataToShow[0]]).attr(config.axis_rotated ? 'y1' : 'x1', xx).attr(config.axis_rotated ? 'y2' : 'x2', xx);
    $$.smoothLines(focusEl, 'grid');
};
c3_chart_internal_fn.hideXGridFocus = function () {
    this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
};
c3_chart_internal_fn.updateXgridFocus = function () {
    var $$ = this,
        config = $$.config;
    $$.main.select('line.' + CLASS.xgridFocus).attr("x1", config.axis_rotated ? 0 : -10).attr("x2", config.axis_rotated ? $$.width : -10).attr("y1", config.axis_rotated ? -10 : 0).attr("y2", config.axis_rotated ? -10 : $$.height);
};
c3_chart_internal_fn.generateGridData = function (type, scale) {
    var $$ = this,
        gridData = [],
        xDomain,
        firstYear,
        lastYear,
        i,
        tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size();
    if (type === 'year') {
        xDomain = $$.getXDomain();
        firstYear = xDomain[0].getFullYear();
        lastYear = xDomain[1].getFullYear();
        for (i = firstYear; i <= lastYear; i++) {
            gridData.push(new Date(i + '-01-01 00:00:00'));
        }
    } else {
        gridData = scale.ticks(10);
        if (gridData.length > tickNum) {
            // use only int
            gridData = gridData.filter(function (d) {
                return ("" + d).indexOf('.') < 0;
            });
        }
    }
    return gridData;
};
c3_chart_internal_fn.getGridFilterToRemove = function (params) {
    return params ? function (line) {
        var found = false;
        [].concat(params).forEach(function (param) {
            if ('value' in param && line.value === param.value || 'class' in param && line['class'] === param['class']) {
                found = true;
            }
        });
        return found;
    } : function () {
        return true;
    };
};
c3_chart_internal_fn.removeGridLines = function (params, forX) {
    var $$ = this,
        config = $$.config,
        toRemove = $$.getGridFilterToRemove(params),
        toShow = function toShow(line) {
        return !toRemove(line);
    },
        classLines = forX ? CLASS.xgridLines : CLASS.ygridLines,
        classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;
    $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove).transition().duration(config.transition_duration).style('opacity', 0).remove();
    if (forX) {
        config.grid_x_lines = config.grid_x_lines.filter(toShow);
    } else {
        config.grid_y_lines = config.grid_y_lines.filter(toShow);
    }
};

c3_chart_internal_fn.initEventRect = function () {
    var $$ = this;
    $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.eventRects).style('fill-opacity', 0);
};
c3_chart_internal_fn.redrawEventRect = function () {
    var $$ = this,
        config = $$.config,
        eventRectUpdate,
        maxDataCountTarget,
        isMultipleX = $$.isMultipleX();

    // rects for mouseover
    var eventRects = $$.main.select('.' + CLASS.eventRects).style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null).classed(CLASS.eventRectsMultiple, isMultipleX).classed(CLASS.eventRectsSingle, !isMultipleX);

    // clear old rects
    eventRects.selectAll('.' + CLASS.eventRect).remove();

    // open as public variable
    $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);

    if (isMultipleX) {
        eventRectUpdate = $$.eventRect.data([0]);
        // enter : only one rect will be added
        $$.generateEventRectsForMultipleXs(eventRectUpdate.enter());
        // update
        $$.updateEventRect(eventRectUpdate);
        // exit : not needed because always only one rect exists
    } else {
        // Set data and update $$.eventRect
        maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets);
        eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
        $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
        eventRectUpdate = $$.eventRect.data(function (d) {
            return d;
        });
        // enter
        $$.generateEventRectsForSingleX(eventRectUpdate.enter());
        // update
        $$.updateEventRect(eventRectUpdate);
        // exit
        eventRectUpdate.exit().remove();
    }
};
c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) {
    var $$ = this,
        config = $$.config,
        x,
        y,
        w,
        h,
        rectW,
        rectX;

    // set update selection if null
    eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) {
        return d;
    });

    if ($$.isMultipleX()) {
        // TODO: rotated not supported yet
        x = 0;
        y = 0;
        w = $$.width;
        h = $$.height;
    } else {
        if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) {

            // update index for x that is used by prevX and nextX
            $$.updateXs();

            rectW = function rectW(d) {
                var prevX = $$.getPrevX(d.index),
                    nextX = $$.getNextX(d.index);

                // if there this is a single data point make the eventRect full width (or height)
                if (prevX === null && nextX === null) {
                    return config.axis_rotated ? $$.height : $$.width;
                }

                if (prevX === null) {
                    prevX = $$.x.domain()[0];
                }
                if (nextX === null) {
                    nextX = $$.x.domain()[1];
                }

                return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2);
            };
            rectX = function rectX(d) {
                var prevX = $$.getPrevX(d.index),
                    nextX = $$.getNextX(d.index),
                    thisX = $$.data.xs[d.id][d.index];

                // if there this is a single data point position the eventRect at 0
                if (prevX === null && nextX === null) {
                    return 0;
                }

                if (prevX === null) {
                    prevX = $$.x.domain()[0];
                }

                return ($$.x(thisX) + $$.x(prevX)) / 2;
            };
        } else {
            rectW = $$.getEventRectWidth();
            rectX = function rectX(d) {
                return $$.x(d.x) - rectW / 2;
            };
        }
        x = config.axis_rotated ? 0 : rectX;
        y = config.axis_rotated ? rectX : 0;
        w = config.axis_rotated ? $$.width : rectW;
        h = config.axis_rotated ? rectW : $$.height;
    }

    eventRectUpdate.attr('class', $$.classEvent.bind($$)).attr("x", x).attr("y", y).attr("width", w).attr("height", h);
};
c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config;
    eventRectEnter.append("rect").attr("class", $$.classEvent.bind($$)).style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null).on('mouseover', function (d) {
        var index = d.index;

        if ($$.dragging || $$.flowing) {
            return;
        } // do nothing while dragging/flowing
        if ($$.hasArcType()) {
            return;
        }

        // Expand shapes for selection
        if (config.point_focus_expand_enabled) {
            $$.expandCircles(index, null, true);
        }
        $$.expandBars(index, null, true);

        // Call event handler
        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
            config.data_onmouseover.call($$.api, d);
        });
    }).on('mouseout', function (d) {
        var index = d.index;
        if (!$$.config) {
            return;
        } // chart is destroyed
        if ($$.hasArcType()) {
            return;
        }
        $$.hideXGridFocus();
        $$.hideTooltip();
        // Undo expanded shapes
        $$.unexpandCircles();
        $$.unexpandBars();
        // Call event handler
        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
            config.data_onmouseout.call($$.api, d);
        });
    }).on('mousemove', function (d) {
        var selectedData,
            index = d.index,
            eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);

        if ($$.dragging || $$.flowing) {
            return;
        } // do nothing while dragging/flowing
        if ($$.hasArcType()) {
            return;
        }

        if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
            index -= 1;
        }

        // Show tooltip
        selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
            return $$.addName($$.getValueOnIndex(t.values, index));
        });

        if (config.tooltip_grouped) {
            $$.showTooltip(selectedData, this);
            $$.showXGridFocus(selectedData);
        }

        if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) {
            return;
        }

        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function () {
            d3.select(this).classed(CLASS.EXPANDED, true);
            if (config.data_selection_enabled) {
                eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null);
            }
            if (!config.tooltip_grouped) {
                $$.hideXGridFocus();
                $$.hideTooltip();
                if (!config.data_selection_grouped) {
                    $$.unexpandCircles(index);
                    $$.unexpandBars(index);
                }
            }
        }).filter(function (d) {
            return $$.isWithinShape(this, d);
        }).each(function (d) {
            if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
                eventRect.style('cursor', 'pointer');
            }
            if (!config.tooltip_grouped) {
                $$.showTooltip([d], this);
                $$.showXGridFocus([d]);
                if (config.point_focus_expand_enabled) {
                    $$.expandCircles(index, d.id, true);
                }
                $$.expandBars(index, d.id, true);
            }
        });
    }).on('click', function (d) {
        var index = d.index;
        if ($$.hasArcType() || !$$.toggleShape) {
            return;
        }
        if ($$.cancelClick) {
            $$.cancelClick = false;
            return;
        }
        if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
            index -= 1;
        }
        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
            if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
                $$.toggleShape(this, d, index);
                $$.config.data_onclick.call($$.api, d, this);
            }
        });
    }).call(config.data_selection_draggable && $$.drag ? d3.behavior.drag().origin(Object).on('drag', function () {
        $$.drag(d3.mouse(this));
    }).on('dragstart', function () {
        $$.dragstart(d3.mouse(this));
    }).on('dragend', function () {
        $$.dragend();
    }) : function () {});
};

c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config;

    function mouseout() {
        $$.svg.select('.' + CLASS.eventRect).style('cursor', null);
        $$.hideXGridFocus();
        $$.hideTooltip();
        $$.unexpandCircles();
        $$.unexpandBars();
    }

    eventRectEnter.append('rect').attr('x', 0).attr('y', 0).attr('width', $$.width).attr('height', $$.height).attr('class', CLASS.eventRect).on('mouseout', function () {
        if (!$$.config) {
            return;
        } // chart is destroyed
        if ($$.hasArcType()) {
            return;
        }
        mouseout();
    }).on('mousemove', function () {
        var targetsToShow = $$.filterTargetsToShow($$.data.targets);
        var mouse, closest, sameXData, selectedData;

        if ($$.dragging) {
            return;
        } // do nothing when dragging
        if ($$.hasArcType(targetsToShow)) {
            return;
        }

        mouse = d3.mouse(this);
        closest = $$.findClosestFromTargets(targetsToShow, mouse);

        if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) {
            config.data_onmouseout.call($$.api, $$.mouseover);
            $$.mouseover = undefined;
        }

        if (!closest) {
            mouseout();
            return;
        }

        if ($$.isScatterType(closest) || !config.tooltip_grouped) {
            sameXData = [closest];
        } else {
            sameXData = $$.filterByX(targetsToShow, closest.x);
        }

        // show tooltip when cursor is close to some point
        selectedData = sameXData.map(function (d) {
            return $$.addName(d);
        });
        $$.showTooltip(selectedData, this);

        // expand points
        if (config.point_focus_expand_enabled) {
            $$.expandCircles(closest.index, closest.id, true);
        }
        $$.expandBars(closest.index, closest.id, true);

        // Show xgrid focus line
        $$.showXGridFocus(selectedData);

        // Show cursor as pointer if point is close to mouse position
        if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
            $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
            if (!$$.mouseover) {
                config.data_onmouseover.call($$.api, closest);
                $$.mouseover = closest;
            }
        }
    }).on('click', function () {
        var targetsToShow = $$.filterTargetsToShow($$.data.targets);
        var mouse, closest;
        if ($$.hasArcType(targetsToShow)) {
            return;
        }

        mouse = d3.mouse(this);
        closest = $$.findClosestFromTargets(targetsToShow, mouse);
        if (!closest) {
            return;
        }
        // select if selection enabled
        if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
            $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () {
                if (config.data_selection_grouped || $$.isWithinShape(this, closest)) {
                    $$.toggleShape(this, closest, closest.index);
                    $$.config.data_onclick.call($$.api, closest, this);
                }
            });
        }
    }).call(config.data_selection_draggable && $$.drag ? d3.behavior.drag().origin(Object).on('drag', function () {
        $$.drag(d3.mouse(this));
    }).on('dragstart', function () {
        $$.dragstart(d3.mouse(this));
    }).on('dragend', function () {
        $$.dragend();
    }) : function () {});
};
c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) {
    var $$ = this,
        selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''),
        eventRect = $$.main.select(selector).node(),
        box = eventRect.getBoundingClientRect(),
        x = box.left + (mouse ? mouse[0] : 0),
        y = box.top + (mouse ? mouse[1] : 0),
        event = document.createEvent("MouseEvents");

    event.initMouseEvent(type, true, true, window, 0, x, y, x, y, false, false, false, false, 0, null);
    eventRect.dispatchEvent(event);
};

c3_chart_internal_fn.initLegend = function () {
    var $$ = this;
    $$.legendItemTextBox = {};
    $$.legendHasRendered = false;
    $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
    if (!$$.config.legend_show) {
        $$.legend.style('visibility', 'hidden');
        $$.hiddenLegendIds = $$.mapToIds($$.data.targets);
        return;
    }
    // MEMO: call here to update legend box and tranlate for all
    // MEMO: translate will be upated by this, so transform not needed in updateLegend()
    $$.updateLegendWithDefaults();
};
c3_chart_internal_fn.updateLegendWithDefaults = function () {
    var $$ = this;
    $$.updateLegend($$.mapToIds($$.data.targets), { withTransform: false, withTransitionForTransform: false, withTransition: false });
};
c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) {
    var $$ = this,
        config = $$.config,
        insetLegendPosition = {
        top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y,
        left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config.legend_inset_x + 0.5
    };

    $$.margin3 = {
        top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight,
        right: NaN,
        bottom: 0,
        left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0
    };
};
c3_chart_internal_fn.transformLegend = function (withTransition) {
    var $$ = this;
    (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend'));
};
c3_chart_internal_fn.updateLegendStep = function (step) {
    this.legendStep = step;
};
c3_chart_internal_fn.updateLegendItemWidth = function (w) {
    this.legendItemWidth = w;
};
c3_chart_internal_fn.updateLegendItemHeight = function (h) {
    this.legendItemHeight = h;
};
c3_chart_internal_fn.getLegendWidth = function () {
    var $$ = this;
    return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0;
};
c3_chart_internal_fn.getLegendHeight = function () {
    var $$ = this,
        h = 0;
    if ($$.config.legend_show) {
        if ($$.isLegendRight) {
            h = $$.currentHeight;
        } else {
            h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1);
        }
    }
    return h;
};
c3_chart_internal_fn.opacityForLegend = function (legendItem) {
    return legendItem.classed(CLASS.legendItemHidden) ? null : 1;
};
c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
    return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3;
};
c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) {
    var $$ = this;
    targetIds = $$.mapToTargetIds(targetIds);
    $$.legend.selectAll('.' + CLASS.legendItem).filter(function (id) {
        return targetIds.indexOf(id) >= 0;
    }).classed(CLASS.legendItemFocused, focus).transition().duration(100).style('opacity', function () {
        var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend;
        return opacity.call($$, $$.d3.select(this));
    });
};
c3_chart_internal_fn.revertLegend = function () {
    var $$ = this,
        d3 = $$.d3;
    $$.legend.selectAll('.' + CLASS.legendItem).classed(CLASS.legendItemFocused, false).transition().duration(100).style('opacity', function () {
        return $$.opacityForLegend(d3.select(this));
    });
};
c3_chart_internal_fn.showLegend = function (targetIds) {
    var $$ = this,
        config = $$.config;
    if (!config.legend_show) {
        config.legend_show = true;
        $$.legend.style('visibility', 'visible');
        if (!$$.legendHasRendered) {
            $$.updateLegendWithDefaults();
        }
    }
    $$.removeHiddenLegendIds(targetIds);
    $$.legend.selectAll($$.selectorLegends(targetIds)).style('visibility', 'visible').transition().style('opacity', function () {
        return $$.opacityForLegend($$.d3.select(this));
    });
};
c3_chart_internal_fn.hideLegend = function (targetIds) {
    var $$ = this,
        config = $$.config;
    if (config.legend_show && isEmpty(targetIds)) {
        config.legend_show = false;
        $$.legend.style('visibility', 'hidden');
    }
    $$.addHiddenLegendIds(targetIds);
    $$.legend.selectAll($$.selectorLegends(targetIds)).style('opacity', 0).style('visibility', 'hidden');
};
c3_chart_internal_fn.clearLegendItemTextBoxCache = function () {
    this.legendItemTextBox = {};
};
c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
    var $$ = this,
        config = $$.config;
    var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect, x1ForLegendTile, x2ForLegendTile, yForLegendTile;
    var paddingTop = 4,
        paddingRight = 10,
        maxWidth = 0,
        maxHeight = 0,
        posMin = 10,
        tileWidth = config.legend_item_tile_width + 5;
    var l,
        totalLength = 0,
        offsets = {},
        widths = {},
        heights = {},
        margins = [0],
        steps = {},
        step = 0;
    var withTransition, withTransitionForTransform;
    var texts, rects, tiles, background;

    // Skip elements when their name is set to null
    targetIds = targetIds.filter(function (id) {
        return !isDefined(config.data_names[id]) || config.data_names[id] !== null;
    });

    options = options || {};
    withTransition = getOption(options, "withTransition", true);
    withTransitionForTransform = getOption(options, "withTransitionForTransform", true);

    function getTextBox(textElement, id) {
        if (!$$.legendItemTextBox[id]) {
            $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement);
        }
        return $$.legendItemTextBox[id];
    }

    function updatePositions(textElement, id, index) {
        var reset = index === 0,
            isLast = index === targetIds.length - 1,
            box = getTextBox(textElement, id),
            itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight) + config.legend_padding,
            itemHeight = box.height + paddingTop,
            itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth,
            areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(),
            margin,
            maxLength;

        // MEMO: care about condifion of step, totalLength
        function updateValues(id, withoutStep) {
            if (!withoutStep) {
                margin = (areaLength - totalLength - itemLength) / 2;
                if (margin < posMin) {
                    margin = (areaLength - itemLength) / 2;
                    totalLength = 0;
                    step++;
                }
            }
            steps[id] = step;
            margins[step] = $$.isLegendInset ? 10 : margin;
            offsets[id] = totalLength;
            totalLength += itemLength;
        }

        if (reset) {
            totalLength = 0;
            step = 0;
            maxWidth = 0;
            maxHeight = 0;
        }

        if (config.legend_show && !$$.isLegendToShow(id)) {
            widths[id] = heights[id] = steps[id] = offsets[id] = 0;
            return;
        }

        widths[id] = itemWidth;
        heights[id] = itemHeight;

        if (!maxWidth || itemWidth >= maxWidth) {
            maxWidth = itemWidth;
        }
        if (!maxHeight || itemHeight >= maxHeight) {
            maxHeight = itemHeight;
        }
        maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;

        if (config.legend_equally) {
            Object.keys(widths).forEach(function (id) {
                widths[id] = maxWidth;
            });
            Object.keys(heights).forEach(function (id) {
                heights[id] = maxHeight;
            });
            margin = (areaLength - maxLength * targetIds.length) / 2;
            if (margin < posMin) {
                totalLength = 0;
                step = 0;
                targetIds.forEach(function (id) {
                    updateValues(id);
                });
            } else {
                updateValues(id, true);
            }
        } else {
            updateValues(id);
        }
    }

    if ($$.isLegendInset) {
        step = config.legend_inset_step ? config.legend_inset_step : targetIds.length;
        $$.updateLegendStep(step);
    }

    if ($$.isLegendRight) {
        xForLegend = function xForLegend(id) {
            return maxWidth * steps[id];
        };
        yForLegend = function yForLegend(id) {
            return margins[steps[id]] + offsets[id];
        };
    } else if ($$.isLegendInset) {
        xForLegend = function xForLegend(id) {
            return maxWidth * steps[id] + 10;
        };
        yForLegend = function yForLegend(id) {
            return margins[steps[id]] + offsets[id];
        };
    } else {
        xForLegend = function xForLegend(id) {
            return margins[steps[id]] + offsets[id];
        };
        yForLegend = function yForLegend(id) {
            return maxHeight * steps[id];
        };
    }
    xForLegendText = function xForLegendText(id, i) {
        return xForLegend(id, i) + 4 + config.legend_item_tile_width;
    };
    yForLegendText = function yForLegendText(id, i) {
        return yForLegend(id, i) + 9;
    };
    xForLegendRect = function xForLegendRect(id, i) {
        return xForLegend(id, i);
    };
    yForLegendRect = function yForLegendRect(id, i) {
        return yForLegend(id, i) - 5;
    };
    x1ForLegendTile = function x1ForLegendTile(id, i) {
        return xForLegend(id, i) - 2;
    };
    x2ForLegendTile = function x2ForLegendTile(id, i) {
        return xForLegend(id, i) - 2 + config.legend_item_tile_width;
    };
    yForLegendTile = function yForLegendTile(id, i) {
        return yForLegend(id, i) + 4;
    };

    // Define g for legend area
    l = $$.legend.selectAll('.' + CLASS.legendItem).data(targetIds).enter().append('g').attr('class', function (id) {
        return $$.generateClass(CLASS.legendItem, id);
    }).style('visibility', function (id) {
        return $$.isLegendToShow(id) ? 'visible' : 'hidden';
    }).style('cursor', 'pointer').on('click', function (id) {
        if (config.legend_item_onclick) {
            config.legend_item_onclick.call($$, id);
        } else {
            if ($$.d3.event.altKey) {
                $$.api.hide();
                $$.api.show(id);
            } else {
                $$.api.toggle(id);
                $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert();
            }
        }
    }).on('mouseover', function (id) {
        if (config.legend_item_onmouseover) {
            config.legend_item_onmouseover.call($$, id);
        } else {
            $$.d3.select(this).classed(CLASS.legendItemFocused, true);
            if (!$$.transiting && $$.isTargetToShow(id)) {
                $$.api.focus(id);
            }
        }
    }).on('mouseout', function (id) {
        if (config.legend_item_onmouseout) {
            config.legend_item_onmouseout.call($$, id);
        } else {
            $$.d3.select(this).classed(CLASS.legendItemFocused, false);
            $$.api.revert();
        }
    });
    l.append('text').text(function (id) {
        return isDefined(config.data_names[id]) ? config.data_names[id] : id;
    }).each(function (id, i) {
        updatePositions(this, id, i);
    }).style("pointer-events", "none").attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200).attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText);
    l.append('rect').attr("class", CLASS.legendItemEvent).style('fill-opacity', 0).attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200).attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect);
    l.append('line').attr('class', CLASS.legendItemTile).style('stroke', $$.color).style("pointer-events", "none").attr('x1', $$.isLegendRight || $$.isLegendInset ? x1ForLegendTile : -200).attr('y1', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile).attr('x2', $$.isLegendRight || $$.isLegendInset ? x2ForLegendTile : -200).attr('y2', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile).attr('stroke-width', config.legend_item_tile_height);

    // Set background for inset legend
    background = $$.legend.select('.' + CLASS.legendBackground + ' rect');
    if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) {
        background = $$.legend.insert('g', '.' + CLASS.legendItem).attr("class", CLASS.legendBackground).append('rect');
    }

    texts = $$.legend.selectAll('text').data(targetIds).text(function (id) {
        return isDefined(config.data_names[id]) ? config.data_names[id] : id;
    } // MEMO: needed for update
    ).each(function (id, i) {
        updatePositions(this, id, i);
    });
    (withTransition ? texts.transition() : texts).attr('x', xForLegendText).attr('y', yForLegendText);

    rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent).data(targetIds);
    (withTransition ? rects.transition() : rects).attr('width', function (id) {
        return widths[id];
    }).attr('height', function (id) {
        return heights[id];
    }).attr('x', xForLegendRect).attr('y', yForLegendRect);

    tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile).data(targetIds);
    (withTransition ? tiles.transition() : tiles).style('stroke', $$.color).attr('x1', x1ForLegendTile).attr('y1', yForLegendTile).attr('x2', x2ForLegendTile).attr('y2', yForLegendTile);

    if (background) {
        (withTransition ? background.transition() : background).attr('height', $$.getLegendHeight() - 12).attr('width', maxWidth * (step + 1) + 10);
    }

    // toggle legend state
    $$.legend.selectAll('.' + CLASS.legendItem).classed(CLASS.legendItemHidden, function (id) {
        return !$$.isTargetToShow(id);
    });

    // Update all to reflect change of legend
    $$.updateLegendItemWidth(maxWidth);
    $$.updateLegendItemHeight(maxHeight);
    $$.updateLegendStep(step);
    // Update size and scale
    $$.updateSizes();
    $$.updateScales();
    $$.updateSvgSize();
    // Update g positions
    $$.transformAll(withTransitionForTransform, transitions);
    $$.legendHasRendered = true;
};

c3_chart_internal_fn.initRegion = function () {
    var $$ = this;
    $$.region = $$.main.append('g').attr("clip-path", $$.clipPath).attr("class", CLASS.regions);
};
c3_chart_internal_fn.updateRegion = function (duration) {
    var $$ = this,
        config = $$.config;

    // hide if arc type
    $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');

    $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region).data(config.regions);
    $$.mainRegion.enter().append('g').append('rect').style("fill-opacity", 0);
    $$.mainRegion.attr('class', $$.classRegion.bind($$));
    $$.mainRegion.exit().transition().duration(duration).style("opacity", 0).remove();
};
c3_chart_internal_fn.redrawRegion = function (withTransition) {
    var $$ = this,
        regions = $$.mainRegion.selectAll('rect').each(function () {
        // data is binded to g and it's not transferred to rect (child node) automatically,
        // then data of each rect has to be updated manually.
        // TODO: there should be more efficient way to solve this?
        var parentData = $$.d3.select(this.parentNode).datum();
        $$.d3.select(this).datum(parentData);
    }),
        x = $$.regionX.bind($$),
        y = $$.regionY.bind($$),
        w = $$.regionWidth.bind($$),
        h = $$.regionHeight.bind($$);
    return [(withTransition ? regions.transition() : regions).attr("x", x).attr("y", y).attr("width", w).attr("height", h).style("fill-opacity", function (d) {
        return isValue(d.opacity) ? d.opacity : 0.1;
    })];
};
c3_chart_internal_fn.regionX = function (d) {
    var $$ = this,
        config = $$.config,
        xPos,
        yScale = d.axis === 'y' ? $$.y : $$.y2;
    if (d.axis === 'y' || d.axis === 'y2') {
        xPos = config.axis_rotated ? 'start' in d ? yScale(d.start) : 0 : 0;
    } else {
        xPos = config.axis_rotated ? 0 : 'start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0;
    }
    return xPos;
};
c3_chart_internal_fn.regionY = function (d) {
    var $$ = this,
        config = $$.config,
        yPos,
        yScale = d.axis === 'y' ? $$.y : $$.y2;
    if (d.axis === 'y' || d.axis === 'y2') {
        yPos = config.axis_rotated ? 0 : 'end' in d ? yScale(d.end) : 0;
    } else {
        yPos = config.axis_rotated ? 'start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0 : 0;
    }
    return yPos;
};
c3_chart_internal_fn.regionWidth = function (d) {
    var $$ = this,
        config = $$.config,
        start = $$.regionX(d),
        end,
        yScale = d.axis === 'y' ? $$.y : $$.y2;
    if (d.axis === 'y' || d.axis === 'y2') {
        end = config.axis_rotated ? 'end' in d ? yScale(d.end) : $$.width : $$.width;
    } else {
        end = config.axis_rotated ? $$.width : 'end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width;
    }
    return end < start ? 0 : end - start;
};
c3_chart_internal_fn.regionHeight = function (d) {
    var $$ = this,
        config = $$.config,
        start = this.regionY(d),
        end,
        yScale = d.axis === 'y' ? $$.y : $$.y2;
    if (d.axis === 'y' || d.axis === 'y2') {
        end = config.axis_rotated ? $$.height : 'start' in d ? yScale(d.start) : $$.height;
    } else {
        end = config.axis_rotated ? 'end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height : $$.height;
    }
    return end < start ? 0 : end - start;
};
c3_chart_internal_fn.isRegionOnX = function (d) {
    return !d.axis || d.axis === 'x';
};

c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
    return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
};
c3_chart_internal_fn.getX = function (min, max, domain, offset) {
    var $$ = this,
        scale = $$.getScale(min, max, $$.isTimeSeries()),
        _scale = domain ? scale.domain(domain) : scale,
        key;
    // Define customized scale if categorized axis
    if ($$.isCategorized()) {
        offset = offset || function () {
            return 0;
        };
        scale = function scale(d, raw) {
            var v = _scale(d) + offset(d);
            return raw ? v : Math.ceil(v);
        };
    } else {
        scale = function scale(d, raw) {
            var v = _scale(d);
            return raw ? v : Math.ceil(v);
        };
    }
    // define functions
    for (key in _scale) {
        scale[key] = _scale[key];
    }
    scale.orgDomain = function () {
        return _scale.domain();
    };
    // define custom domain() for categorized axis
    if ($$.isCategorized()) {
        scale.domain = function (domain) {
            if (!arguments.length) {
                domain = this.orgDomain();
                return [domain[0], domain[1] + 1];
            }
            _scale.domain(domain);
            return scale;
        };
    }
    return scale;
};
c3_chart_internal_fn.getY = function (min, max, domain) {
    var scale = this.getScale(min, max, this.isTimeSeriesY());
    if (domain) {
        scale.domain(domain);
    }
    return scale;
};
c3_chart_internal_fn.getYScale = function (id) {
    return this.axis.getId(id) === 'y2' ? this.y2 : this.y;
};
c3_chart_internal_fn.getSubYScale = function (id) {
    return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;
};
c3_chart_internal_fn.updateScales = function () {
    var $$ = this,
        config = $$.config,
        forInit = !$$.x;
    // update edges
    $$.xMin = config.axis_rotated ? 1 : 0;
    $$.xMax = config.axis_rotated ? $$.height : $$.width;
    $$.yMin = config.axis_rotated ? 0 : $$.height;
    $$.yMax = config.axis_rotated ? $$.width : 1;
    $$.subXMin = $$.xMin;
    $$.subXMax = $$.xMax;
    $$.subYMin = config.axis_rotated ? 0 : $$.height2;
    $$.subYMax = config.axis_rotated ? $$.width2 : 1;
    // update scales
    $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () {
        return $$.xAxis.tickOffset();
    });
    $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
    $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
    $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) {
        return d % 1 ? 0 : $$.subXAxis.tickOffset();
    });
    $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
    $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
    // update axes
    $$.xAxisTickFormat = $$.axis.getXAxisTickFormat();
    $$.xAxisTickValues = $$.axis.getXAxisTickValues();
    $$.yAxisTickValues = $$.axis.getYAxisTickValues();
    $$.y2AxisTickValues = $$.axis.getY2AxisTickValues();

    $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
    $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
    $$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
    $$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);

    // Set initialized scales to brush and zoom
    if (!forInit) {
        if ($$.brush) {
            $$.brush.scale($$.subX);
        }
        if (config.zoom_enabled) {
            $$.zoom.scale($$.x);
        }
    }
    // update for arc
    if ($$.updateArc) {
        $$.updateArc();
    }
};

c3_chart_internal_fn.selectPoint = function (target, d, i) {
    var $$ = this,
        config = $$.config,
        cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$),
        cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$),
        r = $$.pointSelectR.bind($$);
    config.data_onselected.call($$.api, d, target.node());
    // add selected-circle on low layer g
    $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i).data([d]).enter().append('circle').attr("class", function () {
        return $$.generateClass(CLASS.selectedCircle, i);
    }).attr("cx", cx).attr("cy", cy).attr("stroke", function () {
        return $$.color(d);
    }).attr("r", function (d) {
        return $$.pointSelectR(d) * 1.4;
    }).transition().duration(100).attr("r", r);
};
c3_chart_internal_fn.unselectPoint = function (target, d, i) {
    var $$ = this;
    $$.config.data_onunselected.call($$.api, d, target.node());
    // remove selected-circle from low layer g
    $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i).transition().duration(100).attr('r', 0).remove();
};
c3_chart_internal_fn.togglePoint = function (selected, target, d, i) {
    selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);
};
c3_chart_internal_fn.selectPath = function (target, d) {
    var $$ = this;
    $$.config.data_onselected.call($$, d, target.node());
    if ($$.config.interaction_brighten) {
        target.transition().duration(100).style("fill", function () {
            return $$.d3.rgb($$.color(d)).brighter(0.75);
        });
    }
};
c3_chart_internal_fn.unselectPath = function (target, d) {
    var $$ = this;
    $$.config.data_onunselected.call($$, d, target.node());
    if ($$.config.interaction_brighten) {
        target.transition().duration(100).style("fill", function () {
            return $$.color(d);
        });
    }
};
c3_chart_internal_fn.togglePath = function (selected, target, d, i) {
    selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i);
};
c3_chart_internal_fn.getToggle = function (that, d) {
    var $$ = this,
        toggle;
    if (that.nodeName === 'circle') {
        if ($$.isStepType(d)) {
            // circle is hidden in step chart, so treat as within the click area
            toggle = function toggle() {}; // TODO: how to select step chart?
        } else {
            toggle = $$.togglePoint;
        }
    } else if (that.nodeName === 'path') {
        toggle = $$.togglePath;
    }
    return toggle;
};
c3_chart_internal_fn.toggleShape = function (that, d, i) {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config,
        shape = d3.select(that),
        isSelected = shape.classed(CLASS.SELECTED),
        toggle = $$.getToggle(that, d).bind($$);

    if (config.data_selection_enabled && config.data_selection_isselectable(d)) {
        if (!config.data_selection_multiple) {
            $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
                var shape = d3.select(this);
                if (shape.classed(CLASS.SELECTED)) {
                    toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
                }
            });
        }
        shape.classed(CLASS.SELECTED, !isSelected);
        toggle(!isSelected, shape, d, i);
    }
};

c3_chart_internal_fn.initBar = function () {
    var $$ = this;
    $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartBars);
};
c3_chart_internal_fn.updateTargetsForBar = function (targets) {
    var $$ = this,
        config = $$.config,
        mainBarUpdate,
        mainBarEnter,
        classChartBar = $$.classChartBar.bind($$),
        classBars = $$.classBars.bind($$),
        classFocus = $$.classFocus.bind($$);
    mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets).attr('class', function (d) {
        return classChartBar(d) + classFocus(d);
    });
    mainBarEnter = mainBarUpdate.enter().append('g').attr('class', classChartBar).style("pointer-events", "none");
    // Bars for each data
    mainBarEnter.append('g').attr("class", classBars).style("cursor", function (d) {
        return config.data_selection_isselectable(d) ? "pointer" : null;
    });
};
c3_chart_internal_fn.updateBar = function (durationForExit) {
    var $$ = this,
        barData = $$.barData.bind($$),
        classBar = $$.classBar.bind($$),
        initialOpacity = $$.initialOpacity.bind($$),
        color = function color(d) {
        return $$.color(d.id);
    };
    $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data(barData);
    $$.mainBar.enter().append('path').attr("class", classBar).style("stroke", color).style("fill", color);
    $$.mainBar.style("opacity", initialOpacity);
    $$.mainBar.exit().transition().duration(durationForExit).remove();
};
c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) {
    return [(withTransition ? this.mainBar.transition(Math.random().toString()) : this.mainBar).attr('d', drawBar).style("fill", this.color).style("opacity", 1)];
};
c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
    var $$ = this,
        config = $$.config,
        w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? axis.tickInterval() * config.bar_width_ratio / barTargetsNum : 0;
    return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
};
c3_chart_internal_fn.getBars = function (i, id) {
    var $$ = this;
    return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandBars = function (i, id, reset) {
    var $$ = this;
    if (reset) {
        $$.unexpandBars();
    }
    $$.getBars(i, id).classed(CLASS.EXPANDED, true);
};
c3_chart_internal_fn.unexpandBars = function (i) {
    var $$ = this;
    $$.getBars(i).classed(CLASS.EXPANDED, false);
};
c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
    var $$ = this,
        config = $$.config,
        getPoints = $$.generateGetBarPoints(barIndices, isSub);
    return function (d, i) {
        // 4 points that make a bar
        var points = getPoints(d, i);

        // switch points if axis is rotated, not applicable for sub chart
        var indexX = config.axis_rotated ? 1 : 0;
        var indexY = config.axis_rotated ? 0 : 1;

        var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' + 'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' + 'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' + 'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' + 'z';

        return path;
    };
};
c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
    var $$ = this,
        axis = isSub ? $$.subXAxis : $$.xAxis,
        barTargetsNum = barIndices.__max__ + 1,
        barW = $$.getBarW(axis, barTargetsNum),
        barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub),
        barY = $$.getShapeY(!!isSub),
        barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub),
        yScale = isSub ? $$.getSubYScale : $$.getYScale;
    return function (d, i) {
        var y0 = yScale.call($$, d.id)(0),
            offset = barOffset(d, i) || y0,
            // offset is for stacked bar chart
        posX = barX(d),
            posY = barY(d);
        // fix posY not to overflow opposite quadrant
        if ($$.config.axis_rotated) {
            if (0 < d.value && posY < y0 || d.value < 0 && y0 < posY) {
                posY = y0;
            }
        }
        // 4 points that make a bar
        return [[posX, offset], [posX, posY - (y0 - offset)], [posX + barW, posY - (y0 - offset)], [posX + barW, offset]];
    };
};
c3_chart_internal_fn.isWithinBar = function (that) {
    var mouse = this.d3.mouse(that),
        box = that.getBoundingClientRect(),
        seg0 = that.pathSegList.getItem(0),
        seg1 = that.pathSegList.getItem(1),
        x = Math.min(seg0.x, seg1.x),
        y = Math.min(seg0.y, seg1.y),
        w = box.width,
        h = box.height,
        offset = 2,
        sx = x - offset,
        ex = x + w + offset,
        sy = y + h + offset,
        ey = y - offset;
    return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
};

c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
    var $$ = this,
        config = $$.config,
        indices = {},
        i = 0,
        j,
        k;
    $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
        for (j = 0; j < config.data_groups.length; j++) {
            if (config.data_groups[j].indexOf(d.id) < 0) {
                continue;
            }
            for (k = 0; k < config.data_groups[j].length; k++) {
                if (config.data_groups[j][k] in indices) {
                    indices[d.id] = indices[config.data_groups[j][k]];
                    break;
                }
            }
        }
        if (isUndefined(indices[d.id])) {
            indices[d.id] = i++;
        }
    });
    indices.__max__ = i - 1;
    return indices;
};
c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
    var $$ = this,
        scale = isSub ? $$.subX : $$.x;
    return function (d) {
        var index = d.id in indices ? indices[d.id] : 0;
        return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
    };
};
c3_chart_internal_fn.getShapeY = function (isSub) {
    var $$ = this;
    return function (d) {
        var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
        return scale(d.value);
    };
};
c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
    var $$ = this,
        targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
        targetIds = targets.map(function (t) {
        return t.id;
    });
    return function (d, i) {
        var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
            y0 = scale(0),
            offset = y0;
        targets.forEach(function (t) {
            var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
            if (t.id === d.id || indices[t.id] !== indices[d.id]) {
                return;
            }
            if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
                // check if the x values line up
                if (typeof values[i] === 'undefined' || +values[i].x !== +d.x) {
                    // "+" for timeseries
                    // if not, try to find the value that does line up
                    i = -1;
                    values.forEach(function (v, j) {
                        if (v.x === d.x) {
                            i = j;
                        }
                    });
                }
                if (i in values && values[i].value * d.value >= 0) {
                    offset += scale(values[i].value) - y0;
                }
            }
        });
        return offset;
    };
};
c3_chart_internal_fn.isWithinShape = function (that, d) {
    var $$ = this,
        shape = $$.d3.select(that),
        isWithin;
    if (!$$.isTargetToShow(d.id)) {
        isWithin = false;
    } else if (that.nodeName === 'circle') {
        isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
    } else if (that.nodeName === 'path') {
        isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
    }
    return isWithin;
};

c3_chart_internal_fn.getInterpolate = function (d) {
    var $$ = this,
        interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
    return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
};

c3_chart_internal_fn.initLine = function () {
    var $$ = this;
    $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartLines);
};
c3_chart_internal_fn.updateTargetsForLine = function (targets) {
    var $$ = this,
        config = $$.config,
        mainLineUpdate,
        mainLineEnter,
        classChartLine = $$.classChartLine.bind($$),
        classLines = $$.classLines.bind($$),
        classAreas = $$.classAreas.bind($$),
        classCircles = $$.classCircles.bind($$),
        classFocus = $$.classFocus.bind($$);
    mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets).attr('class', function (d) {
        return classChartLine(d) + classFocus(d);
    });
    mainLineEnter = mainLineUpdate.enter().append('g').attr('class', classChartLine).style('opacity', 0).style("pointer-events", "none");
    // Lines for each data
    mainLineEnter.append('g').attr("class", classLines);
    // Areas
    mainLineEnter.append('g').attr('class', classAreas);
    // Circles for each data point on lines
    mainLineEnter.append('g').attr("class", function (d) {
        return $$.generateClass(CLASS.selectedCircles, d.id);
    });
    mainLineEnter.append('g').attr("class", classCircles).style("cursor", function (d) {
        return config.data_selection_isselectable(d) ? "pointer" : null;
    });
    // Update date for selected circles
    targets.forEach(function (t) {
        $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
            d.value = t.values[d.index].value;
        });
    });
    // MEMO: can not keep same color...
    //mainLineUpdate.exit().remove();
};
c3_chart_internal_fn.updateLine = function (durationForExit) {
    var $$ = this;
    $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
    $$.mainLine.enter().append('path').attr('class', $$.classLine.bind($$)).style("stroke", $$.color);
    $$.mainLine.style("opacity", $$.initialOpacity.bind($$)).style('shape-rendering', function (d) {
        return $$.isStepType(d) ? 'crispEdges' : '';
    }).attr('transform', null);
    $$.mainLine.exit().transition().duration(durationForExit).style('opacity', 0).remove();
};
c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) {
    return [(withTransition ? this.mainLine.transition(Math.random().toString()) : this.mainLine).attr("d", drawLine).style("stroke", this.color).style("opacity", 1)];
};
c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
    var $$ = this,
        config = $$.config,
        line = $$.d3.svg.line(),
        getPoints = $$.generateGetLinePoints(lineIndices, isSub),
        yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
        xValue = function xValue(d) {
        return (isSub ? $$.subxx : $$.xx).call($$, d);
    },
        yValue = function yValue(d, i) {
        return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
    };

    line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
    if (!config.line_connectNull) {
        line = line.defined(function (d) {
            return d.value != null;
        });
    }
    return function (d) {
        var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
            x = isSub ? $$.x : $$.subX,
            y = yScaleGetter.call($$, d.id),
            x0 = 0,
            y0 = 0,
            path;
        if ($$.isLineType(d)) {
            if (config.data_regions[d.id]) {
                path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);
            } else {
                if ($$.isStepType(d)) {
                    values = $$.convertValuesToStep(values);
                }
                path = line.interpolate($$.getInterpolate(d))(values);
            }
        } else {
            if (values[0]) {
                x0 = x(values[0].x);
                y0 = y(values[0].value);
            }
            path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
        }
        return path ? path : "M 0 0";
    };
};
c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) {
    // partial duplication of generateGetBarPoints
    var $$ = this,
        config = $$.config,
        lineTargetsNum = lineIndices.__max__ + 1,
        x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
        y = $$.getShapeY(!!isSub),
        lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
        yScale = isSub ? $$.getSubYScale : $$.getYScale;
    return function (d, i) {
        var y0 = yScale.call($$, d.id)(0),
            offset = lineOffset(d, i) || y0,
            // offset is for stacked area chart
        posX = x(d),
            posY = y(d);
        // fix posY not to overflow opposite quadrant
        if (config.axis_rotated) {
            if (0 < d.value && posY < y0 || d.value < 0 && y0 < posY) {
                posY = y0;
            }
        }
        // 1 point that marks the line position
        return [[posX, posY - (y0 - offset)], [posX, posY - (y0 - offset)], // needed for compatibility
        [posX, posY - (y0 - offset)], // needed for compatibility
        [posX, posY - (y0 - offset)] // needed for compatibility
        ];
    };
};

c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
    var $$ = this,
        config = $$.config,
        prev = -1,
        i,
        j,
        s = "M",
        sWithRegion,
        xp,
        yp,
        dx,
        dy,
        dd,
        diff,
        diffx2,
        xOffset = $$.isCategorized() ? 0.5 : 0,
        xValue,
        yValue,
        regions = [];

    function isWithinRegions(x, regions) {
        var i;
        for (i = 0; i < regions.length; i++) {
            if (regions[i].start < x && x <= regions[i].end) {
                return true;
            }
        }
        return false;
    }

    // Check start/end of regions
    if (isDefined(_regions)) {
        for (i = 0; i < _regions.length; i++) {
            regions[i] = {};
            if (isUndefined(_regions[i].start)) {
                regions[i].start = d[0].x;
            } else {
                regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start;
            }
            if (isUndefined(_regions[i].end)) {
                regions[i].end = d[d.length - 1].x;
            } else {
                regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end;
            }
        }
    }

    // Set scales
    xValue = config.axis_rotated ? function (d) {
        return y(d.value);
    } : function (d) {
        return x(d.x);
    };
    yValue = config.axis_rotated ? function (d) {
        return x(d.x);
    } : function (d) {
        return y(d.value);
    };

    // Define svg generator function for region
    function generateM(points) {
        return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1];
    }
    if ($$.isTimeSeries()) {
        sWithRegion = function sWithRegion(d0, d1, j, diff) {
            var x0 = d0.x.getTime(),
                x_diff = d1.x - d0.x,
                xv0 = new Date(x0 + x_diff * j),
                xv1 = new Date(x0 + x_diff * (j + diff)),
                points;
            if (config.axis_rotated) {
                points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]];
            } else {
                points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]];
            }
            return generateM(points);
        };
    } else {
        sWithRegion = function sWithRegion(d0, d1, j, diff) {
            var points;
            if (config.axis_rotated) {
                points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]];
            } else {
                points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]];
            }
            return generateM(points);
        };
    }

    // Generate
    for (i = 0; i < d.length; i++) {

        // Draw as normal
        if (isUndefined(regions) || !isWithinRegions(d[i].x, regions)) {
            s += " " + xValue(d[i]) + " " + yValue(d[i]);
        }
        // Draw with region // TODO: Fix for horizotal charts
        else {
                xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries());
                yp = $$.getScale(d[i - 1].value, d[i].value);

                dx = x(d[i].x) - x(d[i - 1].x);
                dy = y(d[i].value) - y(d[i - 1].value);
                dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
                diff = 2 / dd;
                diffx2 = diff * 2;

                for (j = diff; j <= 1; j += diffx2) {
                    s += sWithRegion(d[i - 1], d[i], j, diff);
                }
            }
        prev = d[i].x;
    }

    return s;
};

c3_chart_internal_fn.updateArea = function (durationForExit) {
    var $$ = this,
        d3 = $$.d3;
    $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
    $$.mainArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
        $$.orgAreaOpacity = +d3.select(this).style('opacity');return 0;
    });
    $$.mainArea.style("opacity", $$.orgAreaOpacity);
    $$.mainArea.exit().transition().duration(durationForExit).style('opacity', 0).remove();
};
c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) {
    return [(withTransition ? this.mainArea.transition(Math.random().toString()) : this.mainArea).attr("d", drawArea).style("fill", this.color).style("opacity", this.orgAreaOpacity)];
};
c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
    var $$ = this,
        config = $$.config,
        area = $$.d3.svg.area(),
        getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
        yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
        xValue = function xValue(d) {
        return (isSub ? $$.subxx : $$.xx).call($$, d);
    },
        value0 = function value0(d, i) {
        return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));
    },
        value1 = function value1(d, i) {
        return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
    };

    area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(config.area_above ? 0 : value0).y1(value1);
    if (!config.line_connectNull) {
        area = area.defined(function (d) {
            return d.value !== null;
        });
    }

    return function (d) {
        var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
            x0 = 0,
            y0 = 0,
            path;
        if ($$.isAreaType(d)) {
            if ($$.isStepType(d)) {
                values = $$.convertValuesToStep(values);
            }
            path = area.interpolate($$.getInterpolate(d))(values);
        } else {
            if (values[0]) {
                x0 = $$.x(values[0].x);
                y0 = $$.getYScale(d.id)(values[0].value);
            }
            path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
        }
        return path ? path : "M 0 0";
    };
};
c3_chart_internal_fn.getAreaBaseValue = function () {
    return 0;
};
c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) {
    // partial duplication of generateGetBarPoints
    var $$ = this,
        config = $$.config,
        areaTargetsNum = areaIndices.__max__ + 1,
        x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
        y = $$.getShapeY(!!isSub),
        areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
        yScale = isSub ? $$.getSubYScale : $$.getYScale;
    return function (d, i) {
        var y0 = yScale.call($$, d.id)(0),
            offset = areaOffset(d, i) || y0,
            // offset is for stacked area chart
        posX = x(d),
            posY = y(d);
        // fix posY not to overflow opposite quadrant
        if (config.axis_rotated) {
            if (0 < d.value && posY < y0 || d.value < 0 && y0 < posY) {
                posY = y0;
            }
        }
        // 1 point that marks the area position
        return [[posX, offset], [posX, posY - (y0 - offset)], [posX, posY - (y0 - offset)], // needed for compatibility
        [posX, offset] // needed for compatibility
        ];
    };
};

c3_chart_internal_fn.updateCircle = function () {
    var $$ = this;
    $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle).data($$.lineOrScatterData.bind($$));
    $$.mainCircle.enter().append("circle").attr("class", $$.classCircle.bind($$)).attr("r", $$.pointR.bind($$)).style("fill", $$.color);
    $$.mainCircle.style("opacity", $$.initialOpacityForCircle.bind($$));
    $$.mainCircle.exit().remove();
};
c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) {
    var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle);
    return [(withTransition ? this.mainCircle.transition(Math.random().toString()) : this.mainCircle).style('opacity', this.opacityForCircle.bind(this)).style("fill", this.color).attr("cx", cx).attr("cy", cy), (withTransition ? selectedCircles.transition(Math.random().toString()) : selectedCircles).attr("cx", cx).attr("cy", cy)];
};
c3_chart_internal_fn.circleX = function (d) {
    return d.x || d.x === 0 ? this.x(d.x) : null;
};
c3_chart_internal_fn.updateCircleY = function () {
    var $$ = this,
        lineIndices,
        getPoints;
    if ($$.config.data_groups.length > 0) {
        lineIndices = $$.getShapeIndices($$.isLineType), getPoints = $$.generateGetLinePoints(lineIndices);
        $$.circleY = function (d, i) {
            return getPoints(d, i)[0][1];
        };
    } else {
        $$.circleY = function (d) {
            return $$.getYScale(d.id)(d.value);
        };
    }
};
c3_chart_internal_fn.getCircles = function (i, id) {
    var $$ = this;
    return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandCircles = function (i, id, reset) {
    var $$ = this,
        r = $$.pointExpandedR.bind($$);
    if (reset) {
        $$.unexpandCircles();
    }
    $$.getCircles(i, id).classed(CLASS.EXPANDED, true).attr('r', r);
};
c3_chart_internal_fn.unexpandCircles = function (i) {
    var $$ = this,
        r = $$.pointR.bind($$);
    $$.getCircles(i).filter(function () {
        return $$.d3.select(this).classed(CLASS.EXPANDED);
    }).classed(CLASS.EXPANDED, false).attr('r', r);
};
c3_chart_internal_fn.pointR = function (d) {
    var $$ = this,
        config = $$.config;
    return $$.isStepType(d) ? 0 : isFunction(config.point_r) ? config.point_r(d) : config.point_r;
};
c3_chart_internal_fn.pointExpandedR = function (d) {
    var $$ = this,
        config = $$.config;
    return config.point_focus_expand_enabled ? config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75 : $$.pointR(d);
};
c3_chart_internal_fn.pointSelectR = function (d) {
    var $$ = this,
        config = $$.config;
    return isFunction(config.point_select_r) ? config.point_select_r(d) : config.point_select_r ? config.point_select_r : $$.pointR(d) * 4;
};
c3_chart_internal_fn.isWithinCircle = function (that, r) {
    var d3 = this.d3,
        mouse = d3.mouse(that),
        d3_this = d3.select(that),
        cx = +d3_this.attr("cx"),
        cy = +d3_this.attr("cy");
    return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;
};
c3_chart_internal_fn.isWithinStep = function (that, y) {
    return Math.abs(y - this.d3.mouse(that)[1]) < 30;
};

c3_chart_internal_fn.getCurrentWidth = function () {
    var $$ = this,
        config = $$.config;
    return config.size_width ? config.size_width : $$.getParentWidth();
};
c3_chart_internal_fn.getCurrentHeight = function () {
    var $$ = this,
        config = $$.config,
        h = config.size_height ? config.size_height : $$.getParentHeight();
    return h > 0 ? h : 320 / ($$.hasType('gauge') && !config.gauge_fullCircle ? 2 : 1);
};
c3_chart_internal_fn.getCurrentPaddingTop = function () {
    var $$ = this,
        config = $$.config,
        padding = isValue(config.padding_top) ? config.padding_top : 0;
    if ($$.title && $$.title.node()) {
        padding += $$.getTitlePadding();
    }
    return padding;
};
c3_chart_internal_fn.getCurrentPaddingBottom = function () {
    var config = this.config;
    return isValue(config.padding_bottom) ? config.padding_bottom : 0;
};
c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
    var $$ = this,
        config = $$.config;
    if (isValue(config.padding_left)) {
        return config.padding_left;
    } else if (config.axis_rotated) {
        return !config.axis_x_show ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40);
    } else if (!config.axis_y_show || config.axis_y_inner) {
        // && !config.axis_rotated
        return $$.axis.getYAxisLabelPosition().isOuter ? 30 : 1;
    } else {
        return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute));
    }
};
c3_chart_internal_fn.getCurrentPaddingRight = function () {
    var $$ = this,
        config = $$.config,
        defaultPadding = 10,
        legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
    if (isValue(config.padding_right)) {
        return config.padding_right + 1; // 1 is needed not to hide tick line
    } else if (config.axis_rotated) {
        return defaultPadding + legendWidthOnRight;
    } else if (!config.axis_y2_show || config.axis_y2_inner) {
        // && !config.axis_rotated
        return 2 + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 : 0);
    } else {
        return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight;
    }
};

c3_chart_internal_fn.getParentRectValue = function (key) {
    var parent = this.selectChart.node(),
        v;
    while (parent && parent.tagName !== 'BODY') {
        try {
            v = parent.getBoundingClientRect()[key];
        } catch (e) {
            if (key === 'width') {
                // In IE in certain cases getBoundingClientRect
                // will cause an "unspecified error"
                v = parent.offsetWidth;
            }
        }
        if (v) {
            break;
        }
        parent = parent.parentNode;
    }
    return v;
};
c3_chart_internal_fn.getParentWidth = function () {
    return this.getParentRectValue('width');
};
c3_chart_internal_fn.getParentHeight = function () {
    var h = this.selectChart.style('height');
    return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
};

c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) {
    var $$ = this,
        config = $$.config,
        hasLeftAxisRect = config.axis_rotated || !config.axis_rotated && !config.axis_y_inner,
        leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
        leftAxis = $$.main.select('.' + leftAxisClass).node(),
        svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : { right: 0 },
        chartRect = $$.selectChart.node().getBoundingClientRect(),
        hasArc = $$.hasArcType(),
        svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));
    return svgLeft > 0 ? svgLeft : 0;
};

c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) {
    var $$ = this,
        position = $$.axis.getLabelPositionById(id);
    return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40);
};
c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
    var $$ = this,
        config = $$.config,
        h = 30;
    if (axisId === 'x' && !config.axis_x_show) {
        return 8;
    }
    if (axisId === 'x' && config.axis_x_height) {
        return config.axis_x_height;
    }
    if (axisId === 'y' && !config.axis_y_show) {
        return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1;
    }
    if (axisId === 'y2' && !config.axis_y2_show) {
        return $$.rotated_padding_top;
    }
    // Calculate x axis height when tick rotated
    if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
        h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
    }
    // Calculate y axis height when tick rotated
    if (axisId === 'y' && config.axis_rotated && config.axis_y_tick_rotate) {
        h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_y_tick_rotate) / 180);
    }
    return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
};

c3_chart_internal_fn.getEventRectWidth = function () {
    return Math.max(0, this.xAxis.tickInterval());
};

c3_chart_internal_fn.initBrush = function () {
    var $$ = this,
        d3 = $$.d3;
    $$.brush = d3.svg.brush().on("brush", function () {
        $$.redrawForBrush();
    });
    $$.brush.update = function () {
        if ($$.context) {
            $$.context.select('.' + CLASS.brush).call(this);
        }
        return this;
    };
    $$.brush.scale = function (scale) {
        return $$.config.axis_rotated ? this.y(scale) : this.x(scale);
    };
};
c3_chart_internal_fn.initSubchart = function () {
    var $$ = this,
        config = $$.config,
        context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')),
        visibility = config.subchart_show ? 'visible' : 'hidden';

    context.style('visibility', visibility);

    // Define g for chart area
    context.append('g').attr("clip-path", $$.clipPathForSubchart).attr('class', CLASS.chart);

    // Define g for bar chart area
    context.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartBars);

    // Define g for line chart area
    context.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartLines);

    // Add extent rect for Brush
    context.append("g").attr("clip-path", $$.clipPath).attr("class", CLASS.brush).call($$.brush);

    // ATTENTION: This must be called AFTER chart added
    // Add Axis
    $$.axes.subx = context.append("g").attr("class", CLASS.axisX).attr("transform", $$.getTranslate('subx')).attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis).style("visibility", config.subchart_axis_x_show ? visibility : 'hidden');
};
c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
    var $$ = this,
        context = $$.context,
        config = $$.config,
        contextLineEnter,
        contextLineUpdate,
        contextBarEnter,
        contextBarUpdate,
        classChartBar = $$.classChartBar.bind($$),
        classBars = $$.classBars.bind($$),
        classChartLine = $$.classChartLine.bind($$),
        classLines = $$.classLines.bind($$),
        classAreas = $$.classAreas.bind($$);

    if (config.subchart_show) {
        //-- Bar --//
        contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets).attr('class', classChartBar);
        contextBarEnter = contextBarUpdate.enter().append('g').style('opacity', 0).attr('class', classChartBar);
        // Bars for each data
        contextBarEnter.append('g').attr("class", classBars);

        //-- Line --//
        contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets).attr('class', classChartLine);
        contextLineEnter = contextLineUpdate.enter().append('g').style('opacity', 0).attr('class', classChartLine);
        // Lines for each data
        contextLineEnter.append("g").attr("class", classLines);
        // Area
        contextLineEnter.append("g").attr("class", classAreas);

        //-- Brush --//
        context.selectAll('.' + CLASS.brush + ' rect').attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2);
    }
};
c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) {
    var $$ = this;
    $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data($$.barData.bind($$));
    $$.contextBar.enter().append('path').attr("class", $$.classBar.bind($$)).style("stroke", 'none').style("fill", $$.color);
    $$.contextBar.style("opacity", $$.initialOpacity.bind($$));
    $$.contextBar.exit().transition().duration(durationForExit).style('opacity', 0).remove();
};
c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {
    (withTransition ? this.contextBar.transition(Math.random().toString()).duration(duration) : this.contextBar).attr('d', drawBarOnSub).style('opacity', 1);
};
c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) {
    var $$ = this;
    $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
    $$.contextLine.enter().append('path').attr('class', $$.classLine.bind($$)).style('stroke', $$.color);
    $$.contextLine.style("opacity", $$.initialOpacity.bind($$));
    $$.contextLine.exit().transition().duration(durationForExit).style('opacity', 0).remove();
};
c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {
    (withTransition ? this.contextLine.transition(Math.random().toString()).duration(duration) : this.contextLine).attr("d", drawLineOnSub).style('opacity', 1);
};
c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) {
    var $$ = this,
        d3 = $$.d3;
    $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
    $$.contextArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
        $$.orgAreaOpacity = +d3.select(this).style('opacity');return 0;
    });
    $$.contextArea.style("opacity", 0);
    $$.contextArea.exit().transition().duration(durationForExit).style('opacity', 0).remove();
};
c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {
    (withTransition ? this.contextArea.transition(Math.random().toString()).duration(duration) : this.contextArea).attr("d", drawAreaOnSub).style("fill", this.color).style("opacity", this.orgAreaOpacity);
};
c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config,
        drawAreaOnSub,
        drawBarOnSub,
        drawLineOnSub;

    $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden');

    // subchart
    if (config.subchart_show) {
        // reflect main chart to extent on subchart if zoomed
        if (d3.event && d3.event.type === 'zoom') {
            $$.brush.extent($$.x.orgDomain()).update();
        }
        // update subchart elements if needed
        if (withSubchart) {

            // extent rect
            if (!$$.brush.empty()) {
                $$.brush.extent($$.x.orgDomain()).update();
            }
            // setup drawer - MEMO: this must be called after axis updated
            drawAreaOnSub = $$.generateDrawArea(areaIndices, true);
            drawBarOnSub = $$.generateDrawBar(barIndices, true);
            drawLineOnSub = $$.generateDrawLine(lineIndices, true);

            $$.updateBarForSubchart(duration);
            $$.updateLineForSubchart(duration);
            $$.updateAreaForSubchart(duration);

            $$.redrawBarForSubchart(drawBarOnSub, duration, duration);
            $$.redrawLineForSubchart(drawLineOnSub, duration, duration);
            $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration);
        }
    }
};
c3_chart_internal_fn.redrawForBrush = function () {
    var $$ = this,
        x = $$.x;
    $$.redraw({
        withTransition: false,
        withY: $$.config.zoom_rescale,
        withSubchart: false,
        withUpdateXDomain: true,
        withDimension: false
    });
    $$.config.subchart_onbrush.call($$.api, x.orgDomain());
};
c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
    var $$ = this,
        subXAxis;
    if (transitions && transitions.axisSubX) {
        subXAxis = transitions.axisSubX;
    } else {
        subXAxis = $$.context.select('.' + CLASS.axisX);
        if (withTransition) {
            subXAxis = subXAxis.transition();
        }
    }
    $$.context.attr("transform", $$.getTranslate('context'));
    subXAxis.attr("transform", $$.getTranslate('subx'));
};
c3_chart_internal_fn.getDefaultExtent = function () {
    var $$ = this,
        config = $$.config,
        extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent;
    if ($$.isTimeSeries()) {
        extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])];
    }
    return extent;
};

c3_chart_internal_fn.initText = function () {
    var $$ = this;
    $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartTexts);
    $$.mainText = $$.d3.selectAll([]);
};
c3_chart_internal_fn.updateTargetsForText = function (targets) {
    var $$ = this,
        mainTextUpdate,
        mainTextEnter,
        classChartText = $$.classChartText.bind($$),
        classTexts = $$.classTexts.bind($$),
        classFocus = $$.classFocus.bind($$);
    mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText).data(targets).attr('class', function (d) {
        return classChartText(d) + classFocus(d);
    });
    mainTextEnter = mainTextUpdate.enter().append('g').attr('class', classChartText).style('opacity', 0).style("pointer-events", "none");
    mainTextEnter.append('g').attr('class', classTexts);
};
c3_chart_internal_fn.updateText = function (durationForExit) {
    var $$ = this,
        config = $$.config,
        barOrLineData = $$.barOrLineData.bind($$),
        classText = $$.classText.bind($$);
    $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text).data(barOrLineData);
    $$.mainText.enter().append('text').attr("class", classText).attr('text-anchor', function (d) {
        return config.axis_rotated ? d.value < 0 ? 'end' : 'start' : 'middle';
    }).style("stroke", 'none').style("fill", function (d) {
        return $$.color(d);
    }).style("fill-opacity", 0);
    $$.mainText.text(function (d, i, j) {
        return $$.dataLabelFormat(d.id)(d.value, d.id, i, j);
    });
    $$.mainText.exit().transition().duration(durationForExit).style('fill-opacity', 0).remove();
};
c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) {
    return [(withTransition ? this.mainText.transition() : this.mainText).attr('x', xForText).attr('y', yForText).style("fill", this.color).style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))];
};
c3_chart_internal_fn.getTextRect = function (text, cls, element) {
    var dummy = this.d3.select('body').append('div').classed('c3', true),
        svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0),
        font = this.d3.select(element).style('font'),
        rect;
    svg.selectAll('.dummy').data([text]).enter().append('text').classed(cls ? cls : "", true).style('font', font).text(text).each(function () {
        rect = this.getBoundingClientRect();
    });
    dummy.remove();
    return rect;
};
c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
    var $$ = this,
        getAreaPoints = $$.generateGetAreaPoints(areaIndices, false),
        getBarPoints = $$.generateGetBarPoints(barIndices, false),
        getLinePoints = $$.generateGetLinePoints(lineIndices, false),
        getter = forX ? $$.getXForText : $$.getYForText;
    return function (d, i) {
        var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints;
        return getter.call($$, getPoints(d, i), d, this);
    };
};
c3_chart_internal_fn.getXForText = function (points, d, textElement) {
    var $$ = this,
        box = textElement.getBoundingClientRect(),
        xPos,
        padding;
    if ($$.config.axis_rotated) {
        padding = $$.isBarType(d) ? 4 : 6;
        xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
    } else {
        xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
    }
    // show labels regardless of the domain if value is null
    if (d.value === null) {
        if (xPos > $$.width) {
            xPos = $$.width - box.width;
        } else if (xPos < 0) {
            xPos = 4;
        }
    }
    return xPos;
};
c3_chart_internal_fn.getYForText = function (points, d, textElement) {
    var $$ = this,
        box = textElement.getBoundingClientRect(),
        yPos;
    if ($$.config.axis_rotated) {
        yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
    } else {
        yPos = points[2][1];
        if (d.value < 0 || d.value === 0 && !$$.hasPositiveValue) {
            yPos += box.height;
            if ($$.isBarType(d) && $$.isSafari()) {
                yPos -= 3;
            } else if (!$$.isBarType(d) && $$.isChrome()) {
                yPos += 3;
            }
        } else {
            yPos += $$.isBarType(d) ? -3 : -6;
        }
    }
    // show labels regardless of the domain if value is null
    if (d.value === null && !$$.config.axis_rotated) {
        if (yPos < box.height) {
            yPos = box.height;
        } else if (yPos > this.height) {
            yPos = this.height - 4;
        }
    }
    return yPos;
};

c3_chart_internal_fn.initTitle = function () {
    var $$ = this;
    $$.title = $$.svg.append("text").text($$.config.title_text).attr("class", $$.CLASS.title);
};
c3_chart_internal_fn.redrawTitle = function () {
    var $$ = this;
    $$.title.attr("x", $$.xForTitle.bind($$)).attr("y", $$.yForTitle.bind($$));
};
c3_chart_internal_fn.xForTitle = function () {
    var $$ = this,
        config = $$.config,
        position = config.title_position || 'left',
        x;
    if (position.indexOf('right') >= 0) {
        x = $$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width - config.title_padding.right;
    } else if (position.indexOf('center') >= 0) {
        x = ($$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width) / 2;
    } else {
        // left
        x = config.title_padding.left;
    }
    return x;
};
c3_chart_internal_fn.yForTitle = function () {
    var $$ = this;
    return $$.config.title_padding.top + $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).height;
};
c3_chart_internal_fn.getTitlePadding = function () {
    var $$ = this;
    return $$.yForTitle() + $$.config.title_padding.bottom;
};

c3_chart_internal_fn.initTooltip = function () {
    var $$ = this,
        config = $$.config,
        i;
    $$.tooltip = $$.selectChart.style("position", "relative").append("div").attr('class', CLASS.tooltipContainer).style("position", "absolute").style("pointer-events", "none").style("display", "none");
    // Show tooltip if needed
    if (config.tooltip_init_show) {
        if ($$.isTimeSeries() && isString(config.tooltip_init_x)) {
            config.tooltip_init_x = $$.parseDate(config.tooltip_init_x);
            for (i = 0; i < $$.data.targets[0].values.length; i++) {
                if ($$.data.targets[0].values[i].x - config.tooltip_init_x === 0) {
                    break;
                }
            }
            config.tooltip_init_x = i;
        }
        $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) {
            return $$.addName(d.values[config.tooltip_init_x]);
        }), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
        $$.tooltip.style("top", config.tooltip_init_position.top).style("left", config.tooltip_init_position.left).style("display", "block");
    }
};
c3_chart_internal_fn.getTooltipSortFunction = function () {
    var $$ = this,
        config = $$.config;

    if (config.data_groups.length === 0 || config.tooltip_order !== undefined) {
        // if data are not grouped or if an order is specified
        // for the tooltip values we sort them by their values

        var order = config.tooltip_order;
        if (order === undefined) {
            order = config.data_order;
        }

        var valueOf = function valueOf(obj) {
            return obj ? obj.value : null;
        };

        // if data are not grouped, we sort them by their value
        if (isString(order) && order.toLowerCase() === 'asc') {
            return function (a, b) {
                return valueOf(a) - valueOf(b);
            };
        } else if (isString(order) && order.toLowerCase() === 'desc') {
            return function (a, b) {
                return valueOf(b) - valueOf(a);
            };
        } else if (isFunction(order)) {

            // if the function is from data_order we need
            // to wrap the returned function in order to format
            // the sorted value to the expected format

            var sortFunction = order;

            if (config.tooltip_order === undefined) {
                sortFunction = function sortFunction(a, b) {
                    return order(a ? {
                        id: a.id,
                        values: [a]
                    } : null, b ? {
                        id: b.id,
                        values: [b]
                    } : null);
                };
            }

            return sortFunction;
        } else if (isArray(order)) {
            return function (a, b) {
                return order.indexOf(a.id) - order.indexOf(b.id);
            };
        }
    } else {
        // if data are grouped, we follow the order of grouped targets
        var ids = $$.orderTargets($$.data.targets).map(function (i) {
            return i.id;
        });

        // if it was either asc or desc we need to invert the order
        // returned by orderTargets
        if ($$.isOrderAsc() || $$.isOrderDesc()) {
            ids = ids.reverse();
        }

        return function (a, b) {
            return ids.indexOf(a.id) - ids.indexOf(b.id);
        };
    }
};
c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
    var $$ = this,
        config = $$.config,
        titleFormat = config.tooltip_format_title || defaultTitleFormat,
        nameFormat = config.tooltip_format_name || function (name) {
        return name;
    },
        valueFormat = config.tooltip_format_value || defaultValueFormat,
        text,
        i,
        title,
        value,
        name,
        bgcolor;

    var tooltipSortFunction = this.getTooltipSortFunction();
    if (tooltipSortFunction) {
        d.sort(tooltipSortFunction);
    }

    for (i = 0; i < d.length; i++) {
        if (!(d[i] && (d[i].value || d[i].value === 0))) {
            continue;
        }

        if (!text) {
            title = sanitise(titleFormat ? titleFormat(d[i].x) : d[i].x);
            text = "<table class='" + $$.CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
        }

        value = sanitise(valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index, d));
        if (value !== undefined) {
            // Skip elements when their name is set to null
            if (d[i].name === null) {
                continue;
            }
            name = sanitise(nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index));
            bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);

            text += "<tr class='" + $$.CLASS.tooltipName + "-" + $$.getTargetSelectorSuffix(d[i].id) + "'>";
            text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>";
            text += "<td class='value'>" + value + "</td>";
            text += "</tr>";
        }
    }
    return text + "</table>";
};
c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) {
    var $$ = this,
        config = $$.config,
        d3 = $$.d3;
    var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
    var forArc = $$.hasArcType(),
        mouse = d3.mouse(element);
    // Determin tooltip position
    if (forArc) {
        tooltipLeft = ($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2 + mouse[0];
        tooltipTop = $$.height / 2 + mouse[1] + 20;
    } else {
        svgLeft = $$.getSvgLeft(true);
        if (config.axis_rotated) {
            tooltipLeft = svgLeft + mouse[0] + 100;
            tooltipRight = tooltipLeft + tWidth;
            chartRight = $$.currentWidth - $$.getCurrentPaddingRight();
            tooltipTop = $$.x(dataToShow[0].x) + 20;
        } else {
            tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20;
            tooltipRight = tooltipLeft + tWidth;
            chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight();
            tooltipTop = mouse[1] + 15;
        }

        if (tooltipRight > chartRight) {
            // 20 is needed for Firefox to keep tooltip width
            tooltipLeft -= tooltipRight - chartRight + 20;
        }
        if (tooltipTop + tHeight > $$.currentHeight) {
            tooltipTop -= tHeight + 30;
        }
    }
    if (tooltipTop < 0) {
        tooltipTop = 0;
    }
    return { top: tooltipTop, left: tooltipLeft };
};
c3_chart_internal_fn.showTooltip = function (selectedData, element) {
    var $$ = this,
        config = $$.config;
    var tWidth, tHeight, position;
    var forArc = $$.hasArcType(),
        dataToShow = selectedData.filter(function (d) {
        return d && isValue(d.value);
    }),
        positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition;
    if (dataToShow.length === 0 || !config.tooltip_show) {
        return;
    }
    $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block");

    // Get tooltip dimensions
    tWidth = $$.tooltip.property('offsetWidth');
    tHeight = $$.tooltip.property('offsetHeight');

    position = positionFunction.call(this, dataToShow, tWidth, tHeight, element);
    // Set tooltip
    $$.tooltip.style("top", position.top + "px").style("left", position.left + 'px');
};
c3_chart_internal_fn.hideTooltip = function () {
    this.tooltip.style("display", "none");
};

c3_chart_internal_fn.setTargetType = function (targetIds, type) {
    var $$ = this,
        config = $$.config;
    $$.mapToTargetIds(targetIds).forEach(function (id) {
        $$.withoutFadeIn[id] = type === config.data_types[id];
        config.data_types[id] = type;
    });
    if (!targetIds) {
        config.data_type = type;
    }
};
c3_chart_internal_fn.hasType = function (type, targets) {
    var $$ = this,
        types = $$.config.data_types,
        has = false;
    targets = targets || $$.data.targets;
    if (targets && targets.length) {
        targets.forEach(function (target) {
            var t = types[target.id];
            if (t && t.indexOf(type) >= 0 || !t && type === 'line') {
                has = true;
            }
        });
    } else if (Object.keys(types).length) {
        Object.keys(types).forEach(function (id) {
            if (types[id] === type) {
                has = true;
            }
        });
    } else {
        has = $$.config.data_type === type;
    }
    return has;
};
c3_chart_internal_fn.hasArcType = function (targets) {
    return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
};
c3_chart_internal_fn.isLineType = function (d) {
    var config = this.config,
        id = isString(d) ? d : d.id;
    return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isStepType = function (d) {
    var id = isString(d) ? d : d.id;
    return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isSplineType = function (d) {
    var id = isString(d) ? d : d.id;
    return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isAreaType = function (d) {
    var id = isString(d) ? d : d.id;
    return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isBarType = function (d) {
    var id = isString(d) ? d : d.id;
    return this.config.data_types[id] === 'bar';
};
c3_chart_internal_fn.isScatterType = function (d) {
    var id = isString(d) ? d : d.id;
    return this.config.data_types[id] === 'scatter';
};
c3_chart_internal_fn.isPieType = function (d) {
    var id = isString(d) ? d : d.id;
    return this.config.data_types[id] === 'pie';
};
c3_chart_internal_fn.isGaugeType = function (d) {
    var id = isString(d) ? d : d.id;
    return this.config.data_types[id] === 'gauge';
};
c3_chart_internal_fn.isDonutType = function (d) {
    var id = isString(d) ? d : d.id;
    return this.config.data_types[id] === 'donut';
};
c3_chart_internal_fn.isArcType = function (d) {
    return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
};
c3_chart_internal_fn.lineData = function (d) {
    return this.isLineType(d) ? [d] : [];
};
c3_chart_internal_fn.arcData = function (d) {
    return this.isArcType(d.data) ? [d] : [];
};
/* not used
 function scatterData(d) {
 return isScatterType(d) ? d.values : [];
 }
 */
c3_chart_internal_fn.barData = function (d) {
    return this.isBarType(d) ? d.values : [];
};
c3_chart_internal_fn.lineOrScatterData = function (d) {
    return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
};
c3_chart_internal_fn.barOrLineData = function (d) {
    return this.isBarType(d) || this.isLineType(d) ? d.values : [];
};
c3_chart_internal_fn.isInterpolationType = function (type) {
    return ['linear', 'linear-closed', 'basis', 'basis-open', 'basis-closed', 'bundle', 'cardinal', 'cardinal-open', 'cardinal-closed', 'monotone'].indexOf(type) >= 0;
};

c3_chart_internal_fn.isSafari = function () {
    var ua = window.navigator.userAgent;
    return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0;
};
c3_chart_internal_fn.isChrome = function () {
    var ua = window.navigator.userAgent;
    return ua.indexOf('Chrome') >= 0;
};

c3_chart_internal_fn.initZoom = function () {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config,
        startEvent;

    $$.zoom = d3.behavior.zoom().on("zoomstart", function () {
        startEvent = d3.event.sourceEvent;
        $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
        config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent);
    }).on("zoom", function () {
        $$.redrawForZoom.call($$);
    }).on('zoomend', function () {
        var event = d3.event.sourceEvent;
        // if click, do nothing. otherwise, click interaction will be canceled.
        if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) {
            return;
        }
        $$.redrawEventRect();
        $$.updateZoom();
        config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
    });
    $$.zoom.scale = function (scale) {
        return config.axis_rotated ? this.y(scale) : this.x(scale);
    };
    $$.zoom.orgScaleExtent = function () {
        var extent = config.zoom_extent ? config.zoom_extent : [1, 10];
        return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
    };
    $$.zoom.updateScaleExtent = function () {
        var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.getZoomDomain()),
            extent = this.orgScaleExtent();
        this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
        return this;
    };
};
c3_chart_internal_fn.getZoomDomain = function () {
    var $$ = this,
        config = $$.config,
        d3 = $$.d3,
        min = d3.min([$$.orgXDomain[0], config.zoom_x_min]),
        max = d3.max([$$.orgXDomain[1], config.zoom_x_max]);
    return [min, max];
};
c3_chart_internal_fn.updateZoom = function () {
    var $$ = this,
        z = $$.config.zoom_enabled ? $$.zoom : function () {};
    $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null);
    $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null);
};
c3_chart_internal_fn.redrawForZoom = function () {
    var $$ = this,
        d3 = $$.d3,
        config = $$.config,
        zoom = $$.zoom,
        x = $$.x;
    if (!config.zoom_enabled) {
        return;
    }
    if ($$.filterTargetsToShow($$.data.targets).length === 0) {
        return;
    }
    if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) {
        x.domain(zoom.altDomain);
        zoom.scale(x).updateScaleExtent();
        return;
    }
    if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
        x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
    }
    $$.redraw({
        withTransition: false,
        withY: config.zoom_rescale,
        withSubchart: false,
        withEventRect: false,
        withDimension: false
    });
    if (d3.event.sourceEvent.type === 'mousemove') {
        $$.cancelClick = true;
    }
    config.zoom_onzoom.call($$.api, x.orgDomain());
};

return c3$1;

})));


/***/ }),

/***/ 8356:
/***/ ((module, exports) => {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
  Copyright (c) 2018 Jed Watson.
  Licensed under the MIT License (MIT), see
  http://jedwatson.github.io/classnames
*/
/* global define */

(function () {
	'use strict';

	var hasOwn = {}.hasOwnProperty;

	function classNames() {
		var classes = [];

		for (var i = 0; i < arguments.length; i++) {
			var arg = arguments[i];
			if (!arg) continue;

			var argType = typeof arg;

			if (argType === 'string' || argType === 'number') {
				classes.push(arg);
			} else if (Array.isArray(arg)) {
				if (arg.length) {
					var inner = classNames.apply(null, arg);
					if (inner) {
						classes.push(inner);
					}
				}
			} else if (argType === 'object') {
				if (arg.toString === Object.prototype.toString) {
					for (var key in arg) {
						if (hasOwn.call(arg, key) && arg[key]) {
							classes.push(key);
						}
					}
				} else {
					classes.push(arg.toString());
				}
			}
		}

		return classes.join(' ');
	}

	if ( true && module.exports) {
		classNames.default = classNames;
		module.exports = classNames;
	} else if (true) {
		// register as 'classnames', consistent with npm package name
		!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () {
			return classNames;
		}).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
	} else {}
}());


/***/ }),

/***/ 9633:
/***/ ((module) => {

"use strict";


/*
  MIT License http://www.opensource.org/licenses/mit-license.php
  Author Tobias Koppers @sokra
*/
module.exports = function (cssWithMappingToString) {
  var list = []; // return the list of modules as css string

  list.toString = function toString() {
    return this.map(function (item) {
      var content = "";
      var needLayer = typeof item[5] !== "undefined";

      if (item[4]) {
        content += "@supports (".concat(item[4], ") {");
      }

      if (item[2]) {
        content += "@media ".concat(item[2], " {");
      }

      if (needLayer) {
        content += "@layer".concat(item[5].length > 0 ? " ".concat(item[5]) : "", " {");
      }

      content += cssWithMappingToString(item);

      if (needLayer) {
        content += "}";
      }

      if (item[2]) {
        content += "}";
      }

      if (item[4]) {
        content += "}";
      }

      return content;
    }).join("");
  }; // import a list of modules into the list


  list.i = function i(modules, media, dedupe, supports, layer) {
    if (typeof modules === "string") {
      modules = [[null, modules, undefined]];
    }

    var alreadyImportedModules = {};

    if (dedupe) {
      for (var k = 0; k < this.length; k++) {
        var id = this[k][0];

        if (id != null) {
          alreadyImportedModules[id] = true;
        }
      }
    }

    for (var _k = 0; _k < modules.length; _k++) {
      var item = [].concat(modules[_k]);

      if (dedupe && alreadyImportedModules[item[0]]) {
        continue;
      }

      if (typeof layer !== "undefined") {
        if (typeof item[5] === "undefined") {
          item[5] = layer;
        } else {
          item[1] = "@layer".concat(item[5].length > 0 ? " ".concat(item[5]) : "", " {").concat(item[1], "}");
          item[5] = layer;
        }
      }

      if (media) {
        if (!item[2]) {
          item[2] = media;
        } else {
          item[1] = "@media ".concat(item[2], " {").concat(item[1], "}");
          item[2] = media;
        }
      }

      if (supports) {
        if (!item[4]) {
          item[4] = "".concat(supports);
        } else {
          item[1] = "@supports (".concat(item[4], ") {").concat(item[1], "}");
          item[4] = supports;
        }
      }

      list.push(item);
    }
  };

  return list;
};

/***/ }),

/***/ 1389:
/***/ ((module) => {

"use strict";


module.exports = function (i) {
  return i[1];
};

/***/ }),

/***/ 4361:
/***/ ((module, exports, __webpack_require__) => {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;!function() {
  var d3 = {
    version: "3.5.17"
  };
  var d3_arraySlice = [].slice, d3_array = function(list) {
    return d3_arraySlice.call(list);
  };
  var d3_document = this.document;
  function d3_documentElement(node) {
    return node && (node.ownerDocument || node.document || node).documentElement;
  }
  function d3_window(node) {
    return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView);
  }
  if (d3_document) {
    try {
      d3_array(d3_document.documentElement.childNodes)[0].nodeType;
    } catch (e) {
      d3_array = function(list) {
        var i = list.length, array = new Array(i);
        while (i--) array[i] = list[i];
        return array;
      };
    }
  }
  if (!Date.now) Date.now = function() {
    return +new Date();
  };
  if (d3_document) {
    try {
      d3_document.createElement("DIV").style.setProperty("opacity", 0, "");
    } catch (error) {
      var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
      d3_element_prototype.setAttribute = function(name, value) {
        d3_element_setAttribute.call(this, name, value + "");
      };
      d3_element_prototype.setAttributeNS = function(space, local, value) {
        d3_element_setAttributeNS.call(this, space, local, value + "");
      };
      d3_style_prototype.setProperty = function(name, value, priority) {
        d3_style_setProperty.call(this, name, value + "", priority);
      };
    }
  }
  d3.ascending = d3_ascending;
  function d3_ascending(a, b) {
    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
  }
  d3.descending = function(a, b) {
    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
  };
  d3.min = function(array, f) {
    var i = -1, n = array.length, a, b;
    if (arguments.length === 1) {
      while (++i < n) if ((b = array[i]) != null && b >= b) {
        a = b;
        break;
      }
      while (++i < n) if ((b = array[i]) != null && a > b) a = b;
    } else {
      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
        a = b;
        break;
      }
      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
    }
    return a;
  };
  d3.max = function(array, f) {
    var i = -1, n = array.length, a, b;
    if (arguments.length === 1) {
      while (++i < n) if ((b = array[i]) != null && b >= b) {
        a = b;
        break;
      }
      while (++i < n) if ((b = array[i]) != null && b > a) a = b;
    } else {
      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
        a = b;
        break;
      }
      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
    }
    return a;
  };
  d3.extent = function(array, f) {
    var i = -1, n = array.length, a, b, c;
    if (arguments.length === 1) {
      while (++i < n) if ((b = array[i]) != null && b >= b) {
        a = c = b;
        break;
      }
      while (++i < n) if ((b = array[i]) != null) {
        if (a > b) a = b;
        if (c < b) c = b;
      }
    } else {
      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
        a = c = b;
        break;
      }
      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
        if (a > b) a = b;
        if (c < b) c = b;
      }
    }
    return [ a, c ];
  };
  function d3_number(x) {
    return x === null ? NaN : +x;
  }
  function d3_numeric(x) {
    return !isNaN(x);
  }
  d3.sum = function(array, f) {
    var s = 0, n = array.length, a, i = -1;
    if (arguments.length === 1) {
      while (++i < n) if (d3_numeric(a = +array[i])) s += a;
    } else {
      while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;
    }
    return s;
  };
  d3.mean = function(array, f) {
    var s = 0, n = array.length, a, i = -1, j = n;
    if (arguments.length === 1) {
      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;
    } else {
      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;
    }
    if (j) return s / j;
  };
  d3.quantile = function(values, p) {
    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
    return e ? v + e * (values[h] - v) : v;
  };
  d3.median = function(array, f) {
    var numbers = [], n = array.length, a, i = -1;
    if (arguments.length === 1) {
      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);
    } else {
      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);
    }
    if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);
  };
  d3.variance = function(array, f) {
    var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;
    if (arguments.length === 1) {
      while (++i < n) {
        if (d3_numeric(a = d3_number(array[i]))) {
          d = a - m;
          m += d / ++j;
          s += d * (a - m);
        }
      }
    } else {
      while (++i < n) {
        if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {
          d = a - m;
          m += d / ++j;
          s += d * (a - m);
        }
      }
    }
    if (j > 1) return s / (j - 1);
  };
  d3.deviation = function() {
    var v = d3.variance.apply(this, arguments);
    return v ? Math.sqrt(v) : v;
  };
  function d3_bisector(compare) {
    return {
      left: function(a, x, lo, hi) {
        if (arguments.length < 3) lo = 0;
        if (arguments.length < 4) hi = a.length;
        while (lo < hi) {
          var mid = lo + hi >>> 1;
          if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;
        }
        return lo;
      },
      right: function(a, x, lo, hi) {
        if (arguments.length < 3) lo = 0;
        if (arguments.length < 4) hi = a.length;
        while (lo < hi) {
          var mid = lo + hi >>> 1;
          if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;
        }
        return lo;
      }
    };
  }
  var d3_bisect = d3_bisector(d3_ascending);
  d3.bisectLeft = d3_bisect.left;
  d3.bisect = d3.bisectRight = d3_bisect.right;
  d3.bisector = function(f) {
    return d3_bisector(f.length === 1 ? function(d, x) {
      return d3_ascending(f(d), x);
    } : f);
  };
  d3.shuffle = function(array, i0, i1) {
    if ((m = arguments.length) < 3) {
      i1 = array.length;
      if (m < 2) i0 = 0;
    }
    var m = i1 - i0, t, i;
    while (m) {
      i = Math.random() * m-- | 0;
      t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;
    }
    return array;
  };
  d3.permute = function(array, indexes) {
    var i = indexes.length, permutes = new Array(i);
    while (i--) permutes[i] = array[indexes[i]];
    return permutes;
  };
  d3.pairs = function(array) {
    var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
    while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
    return pairs;
  };
  d3.transpose = function(matrix) {
    if (!(n = matrix.length)) return [];
    for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) {
      for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) {
        row[j] = matrix[j][i];
      }
    }
    return transpose;
  };
  function d3_transposeLength(d) {
    return d.length;
  }
  d3.zip = function() {
    return d3.transpose(arguments);
  };
  d3.keys = function(map) {
    var keys = [];
    for (var key in map) keys.push(key);
    return keys;
  };
  d3.values = function(map) {
    var values = [];
    for (var key in map) values.push(map[key]);
    return values;
  };
  d3.entries = function(map) {
    var entries = [];
    for (var key in map) entries.push({
      key: key,
      value: map[key]
    });
    return entries;
  };
  d3.merge = function(arrays) {
    var n = arrays.length, m, i = -1, j = 0, merged, array;
    while (++i < n) j += arrays[i].length;
    merged = new Array(j);
    while (--n >= 0) {
      array = arrays[n];
      m = array.length;
      while (--m >= 0) {
        merged[--j] = array[m];
      }
    }
    return merged;
  };
  var abs = Math.abs;
  d3.range = function(start, stop, step) {
    if (arguments.length < 3) {
      step = 1;
      if (arguments.length < 2) {
        stop = start;
        start = 0;
      }
    }
    if ((stop - start) / step === Infinity) throw new Error("infinite range");
    var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;
    start *= k, stop *= k, step *= k;
    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
    return range;
  };
  function d3_range_integerScale(x) {
    var k = 1;
    while (x * k % 1) k *= 10;
    return k;
  }
  function d3_class(ctor, properties) {
    for (var key in properties) {
      Object.defineProperty(ctor.prototype, key, {
        value: properties[key],
        enumerable: false
      });
    }
  }
  d3.map = function(object, f) {
    var map = new d3_Map();
    if (object instanceof d3_Map) {
      object.forEach(function(key, value) {
        map.set(key, value);
      });
    } else if (Array.isArray(object)) {
      var i = -1, n = object.length, o;
      if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o);
    } else {
      for (var key in object) map.set(key, object[key]);
    }
    return map;
  };
  function d3_Map() {
    this._ = Object.create(null);
  }
  var d3_map_proto = "__proto__", d3_map_zero = "\x00";
  d3_class(d3_Map, {
    has: d3_map_has,
    get: function(key) {
      return this._[d3_map_escape(key)];
    },
    set: function(key, value) {
      return this._[d3_map_escape(key)] = value;
    },
    remove: d3_map_remove,
    keys: d3_map_keys,
    values: function() {
      var values = [];
      for (var key in this._) values.push(this._[key]);
      return values;
    },
    entries: function() {
      var entries = [];
      for (var key in this._) entries.push({
        key: d3_map_unescape(key),
        value: this._[key]
      });
      return entries;
    },
    size: d3_map_size,
    empty: d3_map_empty,
    forEach: function(f) {
      for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);
    }
  });
  function d3_map_escape(key) {
    return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;
  }
  function d3_map_unescape(key) {
    return (key += "")[0] === d3_map_zero ? key.slice(1) : key;
  }
  function d3_map_has(key) {
    return d3_map_escape(key) in this._;
  }
  function d3_map_remove(key) {
    return (key = d3_map_escape(key)) in this._ && delete this._[key];
  }
  function d3_map_keys() {
    var keys = [];
    for (var key in this._) keys.push(d3_map_unescape(key));
    return keys;
  }
  function d3_map_size() {
    var size = 0;
    for (var key in this._) ++size;
    return size;
  }
  function d3_map_empty() {
    for (var key in this._) return false;
    return true;
  }
  d3.nest = function() {
    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
    function map(mapType, array, depth) {
      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
      var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
      while (++i < n) {
        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
          values.push(object);
        } else {
          valuesByKey.set(keyValue, [ object ]);
        }
      }
      if (mapType) {
        object = mapType();
        setter = function(keyValue, values) {
          object.set(keyValue, map(mapType, values, depth));
        };
      } else {
        object = {};
        setter = function(keyValue, values) {
          object[keyValue] = map(mapType, values, depth);
        };
      }
      valuesByKey.forEach(setter);
      return object;
    }
    function entries(map, depth) {
      if (depth >= keys.length) return map;
      var array = [], sortKey = sortKeys[depth++];
      map.forEach(function(key, keyMap) {
        array.push({
          key: key,
          values: entries(keyMap, depth)
        });
      });
      return sortKey ? array.sort(function(a, b) {
        return sortKey(a.key, b.key);
      }) : array;
    }
    nest.map = function(array, mapType) {
      return map(mapType, array, 0);
    };
    nest.entries = function(array) {
      return entries(map(d3.map, array, 0), 0);
    };
    nest.key = function(d) {
      keys.push(d);
      return nest;
    };
    nest.sortKeys = function(order) {
      sortKeys[keys.length - 1] = order;
      return nest;
    };
    nest.sortValues = function(order) {
      sortValues = order;
      return nest;
    };
    nest.rollup = function(f) {
      rollup = f;
      return nest;
    };
    return nest;
  };
  d3.set = function(array) {
    var set = new d3_Set();
    if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);
    return set;
  };
  function d3_Set() {
    this._ = Object.create(null);
  }
  d3_class(d3_Set, {
    has: d3_map_has,
    add: function(key) {
      this._[d3_map_escape(key += "")] = true;
      return key;
    },
    remove: d3_map_remove,
    values: d3_map_keys,
    size: d3_map_size,
    empty: d3_map_empty,
    forEach: function(f) {
      for (var key in this._) f.call(this, d3_map_unescape(key));
    }
  });
  d3.behavior = {};
  function d3_identity(d) {
    return d;
  }
  d3.rebind = function(target, source) {
    var i = 1, n = arguments.length, method;
    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
    return target;
  };
  function d3_rebind(target, source, method) {
    return function() {
      var value = method.apply(source, arguments);
      return value === source ? target : value;
    };
  }
  function d3_vendorSymbol(object, name) {
    if (name in object) return name;
    name = name.charAt(0).toUpperCase() + name.slice(1);
    for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {
      var prefixName = d3_vendorPrefixes[i] + name;
      if (prefixName in object) return prefixName;
    }
  }
  var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];
  function d3_noop() {}
  d3.dispatch = function() {
    var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
    return dispatch;
  };
  function d3_dispatch() {}
  d3_dispatch.prototype.on = function(type, listener) {
    var i = type.indexOf("."), name = "";
    if (i >= 0) {
      name = type.slice(i + 1);
      type = type.slice(0, i);
    }
    if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
    if (arguments.length === 2) {
      if (listener == null) for (type in this) {
        if (this.hasOwnProperty(type)) this[type].on(name, null);
      }
      return this;
    }
  };
  function d3_dispatch_event(dispatch) {
    var listeners = [], listenerByName = new d3_Map();
    function event() {
      var z = listeners, i = -1, n = z.length, l;
      while (++i < n) if (l = z[i].on) l.apply(this, arguments);
      return dispatch;
    }
    event.on = function(name, listener) {
      var l = listenerByName.get(name), i;
      if (arguments.length < 2) return l && l.on;
      if (l) {
        l.on = null;
        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
        listenerByName.remove(name);
      }
      if (listener) listeners.push(listenerByName.set(name, {
        on: listener
      }));
      return dispatch;
    };
    return event;
  }
  d3.event = null;
  function d3_eventPreventDefault() {
    d3.event.preventDefault();
  }
  function d3_eventSource() {
    var e = d3.event, s;
    while (s = e.sourceEvent) e = s;
    return e;
  }
  function d3_eventDispatch(target) {
    var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
    dispatch.of = function(thiz, argumentz) {
      return function(e1) {
        try {
          var e0 = e1.sourceEvent = d3.event;
          e1.target = target;
          d3.event = e1;
          dispatch[e1.type].apply(thiz, argumentz);
        } finally {
          d3.event = e0;
        }
      };
    };
    return dispatch;
  }
  d3.requote = function(s) {
    return s.replace(d3_requote_re, "\\$&");
  };
  var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
  var d3_subclass = {}.__proto__ ? function(object, prototype) {
    object.__proto__ = prototype;
  } : function(object, prototype) {
    for (var property in prototype) object[property] = prototype[property];
  };
  function d3_selection(groups) {
    d3_subclass(groups, d3_selectionPrototype);
    return groups;
  }
  var d3_select = function(s, n) {
    return n.querySelector(s);
  }, d3_selectAll = function(s, n) {
    return n.querySelectorAll(s);
  }, d3_selectMatches = function(n, s) {
    var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")];
    d3_selectMatches = function(n, s) {
      return d3_selectMatcher.call(n, s);
    };
    return d3_selectMatches(n, s);
  };
  if (typeof Sizzle === "function") {
    d3_select = function(s, n) {
      return Sizzle(s, n)[0] || null;
    };
    d3_selectAll = Sizzle;
    d3_selectMatches = Sizzle.matchesSelector;
  }
  d3.selection = function() {
    return d3.select(d3_document.documentElement);
  };
  var d3_selectionPrototype = d3.selection.prototype = [];
  d3_selectionPrototype.select = function(selector) {
    var subgroups = [], subgroup, subnode, group, node;
    selector = d3_selection_selector(selector);
    for (var j = -1, m = this.length; ++j < m; ) {
      subgroups.push(subgroup = []);
      subgroup.parentNode = (group = this[j]).parentNode;
      for (var i = -1, n = group.length; ++i < n; ) {
        if (node = group[i]) {
          subgroup.push(subnode = selector.call(node, node.__data__, i, j));
          if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
        } else {
          subgroup.push(null);
        }
      }
    }
    return d3_selection(subgroups);
  };
  function d3_selection_selector(selector) {
    return typeof selector === "function" ? selector : function() {
      return d3_select(selector, this);
    };
  }
  d3_selectionPrototype.selectAll = function(selector) {
    var subgroups = [], subgroup, node;
    selector = d3_selection_selectorAll(selector);
    for (var j = -1, m = this.length; ++j < m; ) {
      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
        if (node = group[i]) {
          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));
          subgroup.parentNode = node;
        }
      }
    }
    return d3_selection(subgroups);
  };
  function d3_selection_selectorAll(selector) {
    return typeof selector === "function" ? selector : function() {
      return d3_selectAll(selector, this);
    };
  }
  var d3_nsXhtml = "http://www.w3.org/1999/xhtml";
  var d3_nsPrefix = {
    svg: "http://www.w3.org/2000/svg",
    xhtml: d3_nsXhtml,
    xlink: "http://www.w3.org/1999/xlink",
    xml: "http://www.w3.org/XML/1998/namespace",
    xmlns: "http://www.w3.org/2000/xmlns/"
  };
  d3.ns = {
    prefix: d3_nsPrefix,
    qualify: function(name) {
      var i = name.indexOf(":"), prefix = name;
      if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1);
      return d3_nsPrefix.hasOwnProperty(prefix) ? {
        space: d3_nsPrefix[prefix],
        local: name
      } : name;
    }
  };
  d3_selectionPrototype.attr = function(name, value) {
    if (arguments.length < 2) {
      if (typeof name === "string") {
        var node = this.node();
        name = d3.ns.qualify(name);
        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
      }
      for (value in name) this.each(d3_selection_attr(value, name[value]));
      return this;
    }
    return this.each(d3_selection_attr(name, value));
  };
  function d3_selection_attr(name, value) {
    name = d3.ns.qualify(name);
    function attrNull() {
      this.removeAttribute(name);
    }
    function attrNullNS() {
      this.removeAttributeNS(name.space, name.local);
    }
    function attrConstant() {
      this.setAttribute(name, value);
    }
    function attrConstantNS() {
      this.setAttributeNS(name.space, name.local, value);
    }
    function attrFunction() {
      var x = value.apply(this, arguments);
      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
    }
    function attrFunctionNS() {
      var x = value.apply(this, arguments);
      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
    }
    return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
  }
  function d3_collapse(s) {
    return s.trim().replace(/\s+/g, " ");
  }
  d3_selectionPrototype.classed = function(name, value) {
    if (arguments.length < 2) {
      if (typeof name === "string") {
        var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;
        if (value = node.classList) {
          while (++i < n) if (!value.contains(name[i])) return false;
        } else {
          value = node.getAttribute("class");
          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
        }
        return true;
      }
      for (value in name) this.each(d3_selection_classed(value, name[value]));
      return this;
    }
    return this.each(d3_selection_classed(name, value));
  };
  function d3_selection_classedRe(name) {
    return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
  }
  function d3_selection_classes(name) {
    return (name + "").trim().split(/^|\s+/);
  }
  function d3_selection_classed(name, value) {
    name = d3_selection_classes(name).map(d3_selection_classedName);
    var n = name.length;
    function classedConstant() {
      var i = -1;
      while (++i < n) name[i](this, value);
    }
    function classedFunction() {
      var i = -1, x = value.apply(this, arguments);
      while (++i < n) name[i](this, x);
    }
    return typeof value === "function" ? classedFunction : classedConstant;
  }
  function d3_selection_classedName(name) {
    var re = d3_selection_classedRe(name);
    return function(node, value) {
      if (c = node.classList) return value ? c.add(name) : c.remove(name);
      var c = node.getAttribute("class") || "";
      if (value) {
        re.lastIndex = 0;
        if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
      } else {
        node.setAttribute("class", d3_collapse(c.replace(re, " ")));
      }
    };
  }
  d3_selectionPrototype.style = function(name, value, priority) {
    var n = arguments.length;
    if (n < 3) {
      if (typeof name !== "string") {
        if (n < 2) value = "";
        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
        return this;
      }
      if (n < 2) {
        var node = this.node();
        return d3_window(node).getComputedStyle(node, null).getPropertyValue(name);
      }
      priority = "";
    }
    return this.each(d3_selection_style(name, value, priority));
  };
  function d3_selection_style(name, value, priority) {
    function styleNull() {
      this.style.removeProperty(name);
    }
    function styleConstant() {
      this.style.setProperty(name, value, priority);
    }
    function styleFunction() {
      var x = value.apply(this, arguments);
      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
    }
    return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
  }
  d3_selectionPrototype.property = function(name, value) {
    if (arguments.length < 2) {
      if (typeof name === "string") return this.node()[name];
      for (value in name) this.each(d3_selection_property(value, name[value]));
      return this;
    }
    return this.each(d3_selection_property(name, value));
  };
  function d3_selection_property(name, value) {
    function propertyNull() {
      delete this[name];
    }
    function propertyConstant() {
      this[name] = value;
    }
    function propertyFunction() {
      var x = value.apply(this, arguments);
      if (x == null) delete this[name]; else this[name] = x;
    }
    return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
  }
  d3_selectionPrototype.text = function(value) {
    return arguments.length ? this.each(typeof value === "function" ? function() {
      var v = value.apply(this, arguments);
      this.textContent = v == null ? "" : v;
    } : value == null ? function() {
      this.textContent = "";
    } : function() {
      this.textContent = value;
    }) : this.node().textContent;
  };
  d3_selectionPrototype.html = function(value) {
    return arguments.length ? this.each(typeof value === "function" ? function() {
      var v = value.apply(this, arguments);
      this.innerHTML = v == null ? "" : v;
    } : value == null ? function() {
      this.innerHTML = "";
    } : function() {
      this.innerHTML = value;
    }) : this.node().innerHTML;
  };
  d3_selectionPrototype.append = function(name) {
    name = d3_selection_creator(name);
    return this.select(function() {
      return this.appendChild(name.apply(this, arguments));
    });
  };
  function d3_selection_creator(name) {
    function create() {
      var document = this.ownerDocument, namespace = this.namespaceURI;
      return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name);
    }
    function createNS() {
      return this.ownerDocument.createElementNS(name.space, name.local);
    }
    return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create;
  }
  d3_selectionPrototype.insert = function(name, before) {
    name = d3_selection_creator(name);
    before = d3_selection_selector(before);
    return this.select(function() {
      return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
    });
  };
  d3_selectionPrototype.remove = function() {
    return this.each(d3_selectionRemove);
  };
  function d3_selectionRemove() {
    var parent = this.parentNode;
    if (parent) parent.removeChild(this);
  }
  d3_selectionPrototype.data = function(value, key) {
    var i = -1, n = this.length, group, node;
    if (!arguments.length) {
      value = new Array(n = (group = this[0]).length);
      while (++i < n) {
        if (node = group[i]) {
          value[i] = node.__data__;
        }
      }
      return value;
    }
    function bind(group, groupData) {
      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
      if (key) {
        var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;
        for (i = -1; ++i < n; ) {
          if (node = group[i]) {
            if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) {
              exitNodes[i] = node;
            } else {
              nodeByKeyValue.set(keyValue, node);
            }
            keyValues[i] = keyValue;
          }
        }
        for (i = -1; ++i < m; ) {
          if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {
            enterNodes[i] = d3_selection_dataNode(nodeData);
          } else if (node !== true) {
            updateNodes[i] = node;
            node.__data__ = nodeData;
          }
          nodeByKeyValue.set(keyValue, true);
        }
        for (i = -1; ++i < n; ) {
          if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) {
            exitNodes[i] = group[i];
          }
        }
      } else {
        for (i = -1; ++i < n0; ) {
          node = group[i];
          nodeData = groupData[i];
          if (node) {
            node.__data__ = nodeData;
            updateNodes[i] = node;
          } else {
            enterNodes[i] = d3_selection_dataNode(nodeData);
          }
        }
        for (;i < m; ++i) {
          enterNodes[i] = d3_selection_dataNode(groupData[i]);
        }
        for (;i < n; ++i) {
          exitNodes[i] = group[i];
        }
      }
      enterNodes.update = updateNodes;
      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
      enter.push(enterNodes);
      update.push(updateNodes);
      exit.push(exitNodes);
    }
    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
    if (typeof value === "function") {
      while (++i < n) {
        bind(group = this[i], value.call(group, group.parentNode.__data__, i));
      }
    } else {
      while (++i < n) {
        bind(group = this[i], value);
      }
    }
    update.enter = function() {
      return enter;
    };
    update.exit = function() {
      return exit;
    };
    return update;
  };
  function d3_selection_dataNode(data) {
    return {
      __data__: data
    };
  }
  d3_selectionPrototype.datum = function(value) {
    return arguments.length ? this.property("__data__", value) : this.property("__data__");
  };
  d3_selectionPrototype.filter = function(filter) {
    var subgroups = [], subgroup, group, node;
    if (typeof filter !== "function") filter = d3_selection_filter(filter);
    for (var j = 0, m = this.length; j < m; j++) {
      subgroups.push(subgroup = []);
      subgroup.parentNode = (group = this[j]).parentNode;
      for (var i = 0, n = group.length; i < n; i++) {
        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
          subgroup.push(node);
        }
      }
    }
    return d3_selection(subgroups);
  };
  function d3_selection_filter(selector) {
    return function() {
      return d3_selectMatches(this, selector);
    };
  }
  d3_selectionPrototype.order = function() {
    for (var j = -1, m = this.length; ++j < m; ) {
      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
        if (node = group[i]) {
          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
          next = node;
        }
      }
    }
    return this;
  };
  d3_selectionPrototype.sort = function(comparator) {
    comparator = d3_selection_sortComparator.apply(this, arguments);
    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
    return this.order();
  };
  function d3_selection_sortComparator(comparator) {
    if (!arguments.length) comparator = d3_ascending;
    return function(a, b) {
      return a && b ? comparator(a.__data__, b.__data__) : !a - !b;
    };
  }
  d3_selectionPrototype.each = function(callback) {
    return d3_selection_each(this, function(node, i, j) {
      callback.call(node, node.__data__, i, j);
    });
  };
  function d3_selection_each(groups, callback) {
    for (var j = 0, m = groups.length; j < m; j++) {
      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
        if (node = group[i]) callback(node, i, j);
      }
    }
    return groups;
  }
  d3_selectionPrototype.call = function(callback) {
    var args = d3_array(arguments);
    callback.apply(args[0] = this, args);
    return this;
  };
  d3_selectionPrototype.empty = function() {
    return !this.node();
  };
  d3_selectionPrototype.node = function() {
    for (var j = 0, m = this.length; j < m; j++) {
      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
        var node = group[i];
        if (node) return node;
      }
    }
    return null;
  };
  d3_selectionPrototype.size = function() {
    var n = 0;
    d3_selection_each(this, function() {
      ++n;
    });
    return n;
  };
  function d3_selection_enter(selection) {
    d3_subclass(selection, d3_selection_enterPrototype);
    return selection;
  }
  var d3_selection_enterPrototype = [];
  d3.selection.enter = d3_selection_enter;
  d3.selection.enter.prototype = d3_selection_enterPrototype;
  d3_selection_enterPrototype.append = d3_selectionPrototype.append;
  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
  d3_selection_enterPrototype.node = d3_selectionPrototype.node;
  d3_selection_enterPrototype.call = d3_selectionPrototype.call;
  d3_selection_enterPrototype.size = d3_selectionPrototype.size;
  d3_selection_enterPrototype.select = function(selector) {
    var subgroups = [], subgroup, subnode, upgroup, group, node;
    for (var j = -1, m = this.length; ++j < m; ) {
      upgroup = (group = this[j]).update;
      subgroups.push(subgroup = []);
      subgroup.parentNode = group.parentNode;
      for (var i = -1, n = group.length; ++i < n; ) {
        if (node = group[i]) {
          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));
          subnode.__data__ = node.__data__;
        } else {
          subgroup.push(null);
        }
      }
    }
    return d3_selection(subgroups);
  };
  d3_selection_enterPrototype.insert = function(name, before) {
    if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);
    return d3_selectionPrototype.insert.call(this, name, before);
  };
  function d3_selection_enterInsertBefore(enter) {
    var i0, j0;
    return function(d, i, j) {
      var group = enter[j].update, n = group.length, node;
      if (j != j0) j0 = j, i0 = 0;
      if (i >= i0) i0 = i + 1;
      while (!(node = group[i0]) && ++i0 < n) ;
      return node;
    };
  }
  d3.select = function(node) {
    var group;
    if (typeof node === "string") {
      group = [ d3_select(node, d3_document) ];
      group.parentNode = d3_document.documentElement;
    } else {
      group = [ node ];
      group.parentNode = d3_documentElement(node);
    }
    return d3_selection([ group ]);
  };
  d3.selectAll = function(nodes) {
    var group;
    if (typeof nodes === "string") {
      group = d3_array(d3_selectAll(nodes, d3_document));
      group.parentNode = d3_document.documentElement;
    } else {
      group = d3_array(nodes);
      group.parentNode = null;
    }
    return d3_selection([ group ]);
  };
  d3_selectionPrototype.on = function(type, listener, capture) {
    var n = arguments.length;
    if (n < 3) {
      if (typeof type !== "string") {
        if (n < 2) listener = false;
        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
        return this;
      }
      if (n < 2) return (n = this.node()["__on" + type]) && n._;
      capture = false;
    }
    return this.each(d3_selection_on(type, listener, capture));
  };
  function d3_selection_on(type, listener, capture) {
    var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
    if (i > 0) type = type.slice(0, i);
    var filter = d3_selection_onFilters.get(type);
    if (filter) type = filter, wrap = d3_selection_onFilter;
    function onRemove() {
      var l = this[name];
      if (l) {
        this.removeEventListener(type, l, l.$);
        delete this[name];
      }
    }
    function onAdd() {
      var l = wrap(listener, d3_array(arguments));
      onRemove.call(this);
      this.addEventListener(type, this[name] = l, l.$ = capture);
      l._ = listener;
    }
    function removeAll() {
      var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
      for (var name in this) {
        if (match = name.match(re)) {
          var l = this[name];
          this.removeEventListener(match[1], l, l.$);
          delete this[name];
        }
      }
    }
    return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
  }
  var d3_selection_onFilters = d3.map({
    mouseenter: "mouseover",
    mouseleave: "mouseout"
  });
  if (d3_document) {
    d3_selection_onFilters.forEach(function(k) {
      if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
    });
  }
  function d3_selection_onListener(listener, argumentz) {
    return function(e) {
      var o = d3.event;
      d3.event = e;
      argumentz[0] = this.__data__;
      try {
        listener.apply(this, argumentz);
      } finally {
        d3.event = o;
      }
    };
  }
  function d3_selection_onFilter(listener, argumentz) {
    var l = d3_selection_onListener(listener, argumentz);
    return function(e) {
      var target = this, related = e.relatedTarget;
      if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
        l.call(target, e);
      }
    };
  }
  var d3_event_dragSelect, d3_event_dragId = 0;
  function d3_event_dragSuppress(node) {
    var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);
    if (d3_event_dragSelect == null) {
      d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect");
    }
    if (d3_event_dragSelect) {
      var style = d3_documentElement(node).style, select = style[d3_event_dragSelect];
      style[d3_event_dragSelect] = "none";
    }
    return function(suppressClick) {
      w.on(name, null);
      if (d3_event_dragSelect) style[d3_event_dragSelect] = select;
      if (suppressClick) {
        var off = function() {
          w.on(click, null);
        };
        w.on(click, function() {
          d3_eventPreventDefault();
          off();
        }, true);
        setTimeout(off, 0);
      }
    };
  }
  d3.mouse = function(container) {
    return d3_mousePoint(container, d3_eventSource());
  };
  var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0;
  function d3_mousePoint(container, e) {
    if (e.changedTouches) e = e.changedTouches[0];
    var svg = container.ownerSVGElement || container;
    if (svg.createSVGPoint) {
      var point = svg.createSVGPoint();
      if (d3_mouse_bug44083 < 0) {
        var window = d3_window(container);
        if (window.scrollX || window.scrollY) {
          svg = d3.select("body").append("svg").style({
            position: "absolute",
            top: 0,
            left: 0,
            margin: 0,
            padding: 0,
            border: "none"
          }, "important");
          var ctm = svg[0][0].getScreenCTM();
          d3_mouse_bug44083 = !(ctm.f || ctm.e);
          svg.remove();
        }
      }
      if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, 
      point.y = e.clientY;
      point = point.matrixTransform(container.getScreenCTM().inverse());
      return [ point.x, point.y ];
    }
    var rect = container.getBoundingClientRect();
    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
  }
  d3.touch = function(container, touches, identifier) {
    if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;
    if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {
      if ((touch = touches[i]).identifier === identifier) {
        return d3_mousePoint(container, touch);
      }
    }
  };
  d3.behavior.drag = function() {
    var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend");
    function drag() {
      this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
    }
    function dragstart(id, position, subject, move, end) {
      return function() {
        var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId);
        if (origin) {
          dragOffset = origin.apply(that, arguments);
          dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];
        } else {
          dragOffset = [ 0, 0 ];
        }
        dispatch({
          type: "dragstart"
        });
        function moved() {
          var position1 = position(parent, dragId), dx, dy;
          if (!position1) return;
          dx = position1[0] - position0[0];
          dy = position1[1] - position0[1];
          dragged |= dx | dy;
          position0 = position1;
          dispatch({
            type: "drag",
            x: position1[0] + dragOffset[0],
            y: position1[1] + dragOffset[1],
            dx: dx,
            dy: dy
          });
        }
        function ended() {
          if (!position(parent, dragId)) return;
          dragSubject.on(move + dragName, null).on(end + dragName, null);
          dragRestore(dragged);
          dispatch({
            type: "dragend"
          });
        }
      };
    }
    drag.origin = function(x) {
      if (!arguments.length) return origin;
      origin = x;
      return drag;
    };
    return d3.rebind(drag, event, "on");
  };
  function d3_behavior_dragTouchId() {
    return d3.event.changedTouches[0].identifier;
  }
  d3.touches = function(container, touches) {
    if (arguments.length < 2) touches = d3_eventSource().touches;
    return touches ? d3_array(touches).map(function(touch) {
      var point = d3_mousePoint(container, touch);
      point.identifier = touch.identifier;
      return point;
    }) : [];
  };
  var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;
  function d3_sgn(x) {
    return x > 0 ? 1 : x < 0 ? -1 : 0;
  }
  function d3_cross2d(a, b, c) {
    return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
  }
  function d3_acos(x) {
    return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
  }
  function d3_asin(x) {
    return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
  }
  function d3_sinh(x) {
    return ((x = Math.exp(x)) - 1 / x) / 2;
  }
  function d3_cosh(x) {
    return ((x = Math.exp(x)) + 1 / x) / 2;
  }
  function d3_tanh(x) {
    return ((x = Math.exp(2 * x)) - 1) / (x + 1);
  }
  function d3_haversin(x) {
    return (x = Math.sin(x / 2)) * x;
  }
  var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;
  d3.interpolateZoom = function(p0, p1) {
    var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S;
    if (d2 < ε2) {
      S = Math.log(w1 / w0) / ρ;
      i = function(t) {
        return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ];
      };
    } else {
      var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1);
      S = (r1 - r0) / ρ;
      i = function(t) {
        var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));
        return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];
      };
    }
    i.duration = S * 1e3;
    return i;
  };
  d3.behavior.zoom = function() {
    var view = {
      x: 0,
      y: 0,
      k: 1
    }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
    if (!d3_behavior_zoomWheel) {
      d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
        return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
      }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
        return d3.event.wheelDelta;
      }, "mousewheel") : (d3_behavior_zoomDelta = function() {
        return -d3.event.detail;
      }, "MozMousePixelScroll");
    }
    function zoom(g) {
      g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
    }
    zoom.event = function(g) {
      g.each(function() {
        var dispatch = event.of(this, arguments), view1 = view;
        if (d3_transitionInheritId) {
          d3.select(this).transition().each("start.zoom", function() {
            view = this.__chart__ || {
              x: 0,
              y: 0,
              k: 1
            };
            zoomstarted(dispatch);
          }).tween("zoom:zoom", function() {
            var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);
            return function(t) {
              var l = i(t), k = dx / l[2];
              this.__chart__ = view = {
                x: cx - l[0] * k,
                y: cy - l[1] * k,
                k: k
              };
              zoomed(dispatch);
            };
          }).each("interrupt.zoom", function() {
            zoomended(dispatch);
          }).each("end.zoom", function() {
            zoomended(dispatch);
          });
        } else {
          this.__chart__ = view;
          zoomstarted(dispatch);
          zoomed(dispatch);
          zoomended(dispatch);
        }
      });
    };
    zoom.translate = function(_) {
      if (!arguments.length) return [ view.x, view.y ];
      view = {
        x: +_[0],
        y: +_[1],
        k: view.k
      };
      rescale();
      return zoom;
    };
    zoom.scale = function(_) {
      if (!arguments.length) return view.k;
      view = {
        x: view.x,
        y: view.y,
        k: null
      };
      scaleTo(+_);
      rescale();
      return zoom;
    };
    zoom.scaleExtent = function(_) {
      if (!arguments.length) return scaleExtent;
      scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];
      return zoom;
    };
    zoom.center = function(_) {
      if (!arguments.length) return center;
      center = _ && [ +_[0], +_[1] ];
      return zoom;
    };
    zoom.size = function(_) {
      if (!arguments.length) return size;
      size = _ && [ +_[0], +_[1] ];
      return zoom;
    };
    zoom.duration = function(_) {
      if (!arguments.length) return duration;
      duration = +_;
      return zoom;
    };
    zoom.x = function(z) {
      if (!arguments.length) return x1;
      x1 = z;
      x0 = z.copy();
      view = {
        x: 0,
        y: 0,
        k: 1
      };
      return zoom;
    };
    zoom.y = function(z) {
      if (!arguments.length) return y1;
      y1 = z;
      y0 = z.copy();
      view = {
        x: 0,
        y: 0,
        k: 1
      };
      return zoom;
    };
    function location(p) {
      return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];
    }
    function point(l) {
      return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];
    }
    function scaleTo(s) {
      view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
    }
    function translateTo(p, l) {
      l = point(l);
      view.x += p[0] - l[0];
      view.y += p[1] - l[1];
    }
    function zoomTo(that, p, l, k) {
      that.__chart__ = {
        x: view.x,
        y: view.y,
        k: view.k
      };
      scaleTo(Math.pow(2, k));
      translateTo(center0 = p, l);
      that = d3.select(that);
      if (duration > 0) that = that.transition().duration(duration);
      that.call(zoom.event);
    }
    function rescale() {
      if (x1) x1.domain(x0.range().map(function(x) {
        return (x - view.x) / view.k;
      }).map(x0.invert));
      if (y1) y1.domain(y0.range().map(function(y) {
        return (y - view.y) / view.k;
      }).map(y0.invert));
    }
    function zoomstarted(dispatch) {
      if (!zooming++) dispatch({
        type: "zoomstart"
      });
    }
    function zoomed(dispatch) {
      rescale();
      dispatch({
        type: "zoom",
        scale: view.k,
        translate: [ view.x, view.y ]
      });
    }
    function zoomended(dispatch) {
      if (!--zooming) dispatch({
        type: "zoomend"
      }), center0 = null;
    }
    function mousedowned() {
      var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that);
      d3_selection_interrupt.call(that);
      zoomstarted(dispatch);
      function moved() {
        dragged = 1;
        translateTo(d3.mouse(that), location0);
        zoomed(dispatch);
      }
      function ended() {
        subject.on(mousemove, null).on(mouseup, null);
        dragRestore(dragged);
        zoomended(dispatch);
      }
    }
    function touchstarted() {
      var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that);
      started();
      zoomstarted(dispatch);
      subject.on(mousedown, null).on(touchstart, started);
      function relocate() {
        var touches = d3.touches(that);
        scale0 = view.k;
        touches.forEach(function(t) {
          if (t.identifier in locations0) locations0[t.identifier] = location(t);
        });
        return touches;
      }
      function started() {
        var target = d3.event.target;
        d3.select(target).on(touchmove, moved).on(touchend, ended);
        targets.push(target);
        var changed = d3.event.changedTouches;
        for (var i = 0, n = changed.length; i < n; ++i) {
          locations0[changed[i].identifier] = null;
        }
        var touches = relocate(), now = Date.now();
        if (touches.length === 1) {
          if (now - touchtime < 500) {
            var p = touches[0];
            zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);
            d3_eventPreventDefault();
          }
          touchtime = now;
        } else if (touches.length > 1) {
          var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];
          distance0 = dx * dx + dy * dy;
        }
      }
      function moved() {
        var touches = d3.touches(that), p0, l0, p1, l1;
        d3_selection_interrupt.call(that);
        for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {
          p1 = touches[i];
          if (l1 = locations0[p1.identifier]) {
            if (l0) break;
            p0 = p1, l0 = l1;
          }
        }
        if (l1) {
          var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);
          p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
          l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
          scaleTo(scale1 * scale0);
        }
        touchtime = null;
        translateTo(p0, l0);
        zoomed(dispatch);
      }
      function ended() {
        if (d3.event.touches.length) {
          var changed = d3.event.changedTouches;
          for (var i = 0, n = changed.length; i < n; ++i) {
            delete locations0[changed[i].identifier];
          }
          for (var identifier in locations0) {
            return void relocate();
          }
        }
        d3.selectAll(targets).on(zoomName, null);
        subject.on(mousedown, mousedowned).on(touchstart, touchstarted);
        dragRestore();
        zoomended(dispatch);
      }
    }
    function mousewheeled() {
      var dispatch = event.of(this, arguments);
      if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 
      translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch);
      mousewheelTimer = setTimeout(function() {
        mousewheelTimer = null;
        zoomended(dispatch);
      }, 50);
      d3_eventPreventDefault();
      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
      translateTo(center0, translate0);
      zoomed(dispatch);
    }
    function dblclicked() {
      var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;
      zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);
    }
    return d3.rebind(zoom, event, "on");
  };
  var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel;
  d3.color = d3_color;
  function d3_color() {}
  d3_color.prototype.toString = function() {
    return this.rgb() + "";
  };
  d3.hsl = d3_hsl;
  function d3_hsl(h, s, l) {
    return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l);
  }
  var d3_hslPrototype = d3_hsl.prototype = new d3_color();
  d3_hslPrototype.brighter = function(k) {
    k = Math.pow(.7, arguments.length ? k : 1);
    return new d3_hsl(this.h, this.s, this.l / k);
  };
  d3_hslPrototype.darker = function(k) {
    k = Math.pow(.7, arguments.length ? k : 1);
    return new d3_hsl(this.h, this.s, k * this.l);
  };
  d3_hslPrototype.rgb = function() {
    return d3_hsl_rgb(this.h, this.s, this.l);
  };
  function d3_hsl_rgb(h, s, l) {
    var m1, m2;
    h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;
    s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;
    l = l < 0 ? 0 : l > 1 ? 1 : l;
    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
    m1 = 2 * l - m2;
    function v(h) {
      if (h > 360) h -= 360; else if (h < 0) h += 360;
      if (h < 60) return m1 + (m2 - m1) * h / 60;
      if (h < 180) return m2;
      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
      return m1;
    }
    function vv(h) {
      return Math.round(v(h) * 255);
    }
    return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));
  }
  d3.hcl = d3_hcl;
  function d3_hcl(h, c, l) {
    return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l);
  }
  var d3_hclPrototype = d3_hcl.prototype = new d3_color();
  d3_hclPrototype.brighter = function(k) {
    return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
  };
  d3_hclPrototype.darker = function(k) {
    return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
  };
  d3_hclPrototype.rgb = function() {
    return d3_hcl_lab(this.h, this.c, this.l).rgb();
  };
  function d3_hcl_lab(h, c, l) {
    if (isNaN(h)) h = 0;
    if (isNaN(c)) c = 0;
    return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
  }
  d3.lab = d3_lab;
  function d3_lab(l, a, b) {
    return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b);
  }
  var d3_lab_K = 18;
  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
  var d3_labPrototype = d3_lab.prototype = new d3_color();
  d3_labPrototype.brighter = function(k) {
    return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
  };
  d3_labPrototype.darker = function(k) {
    return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
  };
  d3_labPrototype.rgb = function() {
    return d3_lab_rgb(this.l, this.a, this.b);
  };
  function d3_lab_rgb(l, a, b) {
    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
    x = d3_lab_xyz(x) * d3_lab_X;
    y = d3_lab_xyz(y) * d3_lab_Y;
    z = d3_lab_xyz(z) * d3_lab_Z;
    return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
  }
  function d3_lab_hcl(l, a, b) {
    return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l);
  }
  function d3_lab_xyz(x) {
    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
  }
  function d3_xyz_lab(x) {
    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
  }
  function d3_xyz_rgb(r) {
    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
  }
  d3.rgb = d3_rgb;
  function d3_rgb(r, g, b) {
    return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b);
  }
  function d3_rgbNumber(value) {
    return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);
  }
  function d3_rgbString(value) {
    return d3_rgbNumber(value) + "";
  }
  var d3_rgbPrototype = d3_rgb.prototype = new d3_color();
  d3_rgbPrototype.brighter = function(k) {
    k = Math.pow(.7, arguments.length ? k : 1);
    var r = this.r, g = this.g, b = this.b, i = 30;
    if (!r && !g && !b) return new d3_rgb(i, i, i);
    if (r && r < i) r = i;
    if (g && g < i) g = i;
    if (b && b < i) b = i;
    return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));
  };
  d3_rgbPrototype.darker = function(k) {
    k = Math.pow(.7, arguments.length ? k : 1);
    return new d3_rgb(k * this.r, k * this.g, k * this.b);
  };
  d3_rgbPrototype.hsl = function() {
    return d3_rgb_hsl(this.r, this.g, this.b);
  };
  d3_rgbPrototype.toString = function() {
    return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
  };
  function d3_rgb_hex(v) {
    return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
  }
  function d3_rgb_parse(format, rgb, hsl) {
    var r = 0, g = 0, b = 0, m1, m2, color;
    m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase());
    if (m1) {
      m2 = m1[2].split(",");
      switch (m1[1]) {
       case "hsl":
        {
          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
        }

       case "rgb":
        {
          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
        }
      }
    }
    if (color = d3_rgb_names.get(format)) {
      return rgb(color.r, color.g, color.b);
    }
    if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {
      if (format.length === 4) {
        r = (color & 3840) >> 4;
        r = r >> 4 | r;
        g = color & 240;
        g = g >> 4 | g;
        b = color & 15;
        b = b << 4 | b;
      } else if (format.length === 7) {
        r = (color & 16711680) >> 16;
        g = (color & 65280) >> 8;
        b = color & 255;
      }
    }
    return rgb(r, g, b);
  }
  function d3_rgb_hsl(r, g, b) {
    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
    if (d) {
      s = l < .5 ? d / (max + min) : d / (2 - max - min);
      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
      h *= 60;
    } else {
      h = NaN;
      s = l > 0 && l < 1 ? 0 : h;
    }
    return new d3_hsl(h, s, l);
  }
  function d3_rgb_lab(r, g, b) {
    r = d3_rgb_xyz(r);
    g = d3_rgb_xyz(g);
    b = d3_rgb_xyz(b);
    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
  }
  function d3_rgb_xyz(r) {
    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
  }
  function d3_rgb_parseNumber(c) {
    var f = parseFloat(c);
    return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
  }
  var d3_rgb_names = d3.map({
    aliceblue: 15792383,
    antiquewhite: 16444375,
    aqua: 65535,
    aquamarine: 8388564,
    azure: 15794175,
    beige: 16119260,
    bisque: 16770244,
    black: 0,
    blanchedalmond: 16772045,
    blue: 255,
    blueviolet: 9055202,
    brown: 10824234,
    burlywood: 14596231,
    cadetblue: 6266528,
    chartreuse: 8388352,
    chocolate: 13789470,
    coral: 16744272,
    cornflowerblue: 6591981,
    cornsilk: 16775388,
    crimson: 14423100,
    cyan: 65535,
    darkblue: 139,
    darkcyan: 35723,
    darkgoldenrod: 12092939,
    darkgray: 11119017,
    darkgreen: 25600,
    darkgrey: 11119017,
    darkkhaki: 12433259,
    darkmagenta: 9109643,
    darkolivegreen: 5597999,
    darkorange: 16747520,
    darkorchid: 10040012,
    darkred: 9109504,
    darksalmon: 15308410,
    darkseagreen: 9419919,
    darkslateblue: 4734347,
    darkslategray: 3100495,
    darkslategrey: 3100495,
    darkturquoise: 52945,
    darkviolet: 9699539,
    deeppink: 16716947,
    deepskyblue: 49151,
    dimgray: 6908265,
    dimgrey: 6908265,
    dodgerblue: 2003199,
    firebrick: 11674146,
    floralwhite: 16775920,
    forestgreen: 2263842,
    fuchsia: 16711935,
    gainsboro: 14474460,
    ghostwhite: 16316671,
    gold: 16766720,
    goldenrod: 14329120,
    gray: 8421504,
    green: 32768,
    greenyellow: 11403055,
    grey: 8421504,
    honeydew: 15794160,
    hotpink: 16738740,
    indianred: 13458524,
    indigo: 4915330,
    ivory: 16777200,
    khaki: 15787660,
    lavender: 15132410,
    lavenderblush: 16773365,
    lawngreen: 8190976,
    lemonchiffon: 16775885,
    lightblue: 11393254,
    lightcoral: 15761536,
    lightcyan: 14745599,
    lightgoldenrodyellow: 16448210,
    lightgray: 13882323,
    lightgreen: 9498256,
    lightgrey: 13882323,
    lightpink: 16758465,
    lightsalmon: 16752762,
    lightseagreen: 2142890,
    lightskyblue: 8900346,
    lightslategray: 7833753,
    lightslategrey: 7833753,
    lightsteelblue: 11584734,
    lightyellow: 16777184,
    lime: 65280,
    limegreen: 3329330,
    linen: 16445670,
    magenta: 16711935,
    maroon: 8388608,
    mediumaquamarine: 6737322,
    mediumblue: 205,
    mediumorchid: 12211667,
    mediumpurple: 9662683,
    mediumseagreen: 3978097,
    mediumslateblue: 8087790,
    mediumspringgreen: 64154,
    mediumturquoise: 4772300,
    mediumvioletred: 13047173,
    midnightblue: 1644912,
    mintcream: 16121850,
    mistyrose: 16770273,
    moccasin: 16770229,
    navajowhite: 16768685,
    navy: 128,
    oldlace: 16643558,
    olive: 8421376,
    olivedrab: 7048739,
    orange: 16753920,
    orangered: 16729344,
    orchid: 14315734,
    palegoldenrod: 15657130,
    palegreen: 10025880,
    paleturquoise: 11529966,
    palevioletred: 14381203,
    papayawhip: 16773077,
    peachpuff: 16767673,
    peru: 13468991,
    pink: 16761035,
    plum: 14524637,
    powderblue: 11591910,
    purple: 8388736,
    rebeccapurple: 6697881,
    red: 16711680,
    rosybrown: 12357519,
    royalblue: 4286945,
    saddlebrown: 9127187,
    salmon: 16416882,
    sandybrown: 16032864,
    seagreen: 3050327,
    seashell: 16774638,
    sienna: 10506797,
    silver: 12632256,
    skyblue: 8900331,
    slateblue: 6970061,
    slategray: 7372944,
    slategrey: 7372944,
    snow: 16775930,
    springgreen: 65407,
    steelblue: 4620980,
    tan: 13808780,
    teal: 32896,
    thistle: 14204888,
    tomato: 16737095,
    turquoise: 4251856,
    violet: 15631086,
    wheat: 16113331,
    white: 16777215,
    whitesmoke: 16119285,
    yellow: 16776960,
    yellowgreen: 10145074
  });
  d3_rgb_names.forEach(function(key, value) {
    d3_rgb_names.set(key, d3_rgbNumber(value));
  });
  function d3_functor(v) {
    return typeof v === "function" ? v : function() {
      return v;
    };
  }
  d3.functor = d3_functor;
  d3.xhr = d3_xhrType(d3_identity);
  function d3_xhrType(response) {
    return function(url, mimeType, callback) {
      if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 
      mimeType = null;
      return d3_xhr(url, mimeType, response, callback);
    };
  }
  function d3_xhr(url, mimeType, response, callback) {
    var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;
    if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
    "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
      request.readyState > 3 && respond();
    };
    function respond() {
      var status = request.status, result;
      if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {
        try {
          result = response.call(xhr, request);
        } catch (e) {
          dispatch.error.call(xhr, e);
          return;
        }
        dispatch.load.call(xhr, result);
      } else {
        dispatch.error.call(xhr, request);
      }
    }
    request.onprogress = function(event) {
      var o = d3.event;
      d3.event = event;
      try {
        dispatch.progress.call(xhr, request);
      } finally {
        d3.event = o;
      }
    };
    xhr.header = function(name, value) {
      name = (name + "").toLowerCase();
      if (arguments.length < 2) return headers[name];
      if (value == null) delete headers[name]; else headers[name] = value + "";
      return xhr;
    };
    xhr.mimeType = function(value) {
      if (!arguments.length) return mimeType;
      mimeType = value == null ? null : value + "";
      return xhr;
    };
    xhr.responseType = function(value) {
      if (!arguments.length) return responseType;
      responseType = value;
      return xhr;
    };
    xhr.response = function(value) {
      response = value;
      return xhr;
    };
    [ "get", "post" ].forEach(function(method) {
      xhr[method] = function() {
        return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
      };
    });
    xhr.send = function(method, data, callback) {
      if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
      request.open(method, url, true);
      if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
      if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
      if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
      if (responseType != null) request.responseType = responseType;
      if (callback != null) xhr.on("error", callback).on("load", function(request) {
        callback(null, request);
      });
      dispatch.beforesend.call(xhr, request);
      request.send(data == null ? null : data);
      return xhr;
    };
    xhr.abort = function() {
      request.abort();
      return xhr;
    };
    d3.rebind(xhr, dispatch, "on");
    return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
  }
  function d3_xhr_fixCallback(callback) {
    return callback.length === 1 ? function(error, request) {
      callback(error == null ? request : null);
    } : callback;
  }
  function d3_xhrHasResponse(request) {
    var type = request.responseType;
    return type && type !== "text" ? request.response : request.responseText;
  }
  d3.dsv = function(delimiter, mimeType) {
    var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
    function dsv(url, row, callback) {
      if (arguments.length < 3) callback = row, row = null;
      var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);
      xhr.row = function(_) {
        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
      };
      return xhr;
    }
    function response(request) {
      return dsv.parse(request.responseText);
    }
    function typedResponse(f) {
      return function(request) {
        return dsv.parse(request.responseText, f);
      };
    }
    dsv.parse = function(text, f) {
      var o;
      return dsv.parseRows(text, function(row, i) {
        if (o) return o(row, i - 1);
        var a = new Function("d", "return {" + row.map(function(name, i) {
          return JSON.stringify(name) + ": d[" + i + "]";
        }).join(",") + "}");
        o = f ? function(row, i) {
          return f(a(row), i);
        } : a;
      });
    };
    dsv.parseRows = function(text, f) {
      var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
      function token() {
        if (I >= N) return EOF;
        if (eol) return eol = false, EOL;
        var j = I;
        if (text.charCodeAt(j) === 34) {
          var i = j;
          while (i++ < N) {
            if (text.charCodeAt(i) === 34) {
              if (text.charCodeAt(i + 1) !== 34) break;
              ++i;
            }
          }
          I = i + 2;
          var c = text.charCodeAt(i + 1);
          if (c === 13) {
            eol = true;
            if (text.charCodeAt(i + 2) === 10) ++I;
          } else if (c === 10) {
            eol = true;
          }
          return text.slice(j + 1, i).replace(/""/g, '"');
        }
        while (I < N) {
          var c = text.charCodeAt(I++), k = 1;
          if (c === 10) eol = true; else if (c === 13) {
            eol = true;
            if (text.charCodeAt(I) === 10) ++I, ++k;
          } else if (c !== delimiterCode) continue;
          return text.slice(j, I - k);
        }
        return text.slice(j);
      }
      while ((t = token()) !== EOF) {
        var a = [];
        while (t !== EOL && t !== EOF) {
          a.push(t);
          t = token();
        }
        if (f && (a = f(a, n++)) == null) continue;
        rows.push(a);
      }
      return rows;
    };
    dsv.format = function(rows) {
      if (Array.isArray(rows[0])) return dsv.formatRows(rows);
      var fieldSet = new d3_Set(), fields = [];
      rows.forEach(function(row) {
        for (var field in row) {
          if (!fieldSet.has(field)) {
            fields.push(fieldSet.add(field));
          }
        }
      });
      return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
        return fields.map(function(field) {
          return formatValue(row[field]);
        }).join(delimiter);
      })).join("\n");
    };
    dsv.formatRows = function(rows) {
      return rows.map(formatRow).join("\n");
    };
    function formatRow(row) {
      return row.map(formatValue).join(delimiter);
    }
    function formatValue(text) {
      return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
    }
    return dsv;
  };
  d3.csv = d3.dsv(",", "text/csv");
  d3.tsv = d3.dsv("	", "text/tab-separated-values");
  var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) {
    setTimeout(callback, 17);
  };
  d3.timer = function() {
    d3_timer.apply(this, arguments);
  };
  function d3_timer(callback, delay, then) {
    var n = arguments.length;
    if (n < 2) delay = 0;
    if (n < 3) then = Date.now();
    var time = then + delay, timer = {
      c: callback,
      t: time,
      n: null
    };
    if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;
    d3_timer_queueTail = timer;
    if (!d3_timer_interval) {
      d3_timer_timeout = clearTimeout(d3_timer_timeout);
      d3_timer_interval = 1;
      d3_timer_frame(d3_timer_step);
    }
    return timer;
  }
  function d3_timer_step() {
    var now = d3_timer_mark(), delay = d3_timer_sweep() - now;
    if (delay > 24) {
      if (isFinite(delay)) {
        clearTimeout(d3_timer_timeout);
        d3_timer_timeout = setTimeout(d3_timer_step, delay);
      }
      d3_timer_interval = 0;
    } else {
      d3_timer_interval = 1;
      d3_timer_frame(d3_timer_step);
    }
  }
  d3.timer.flush = function() {
    d3_timer_mark();
    d3_timer_sweep();
  };
  function d3_timer_mark() {
    var now = Date.now(), timer = d3_timer_queueHead;
    while (timer) {
      if (now >= timer.t && timer.c(now - timer.t)) timer.c = null;
      timer = timer.n;
    }
    return now;
  }
  function d3_timer_sweep() {
    var t0, t1 = d3_timer_queueHead, time = Infinity;
    while (t1) {
      if (t1.c) {
        if (t1.t < time) time = t1.t;
        t1 = (t0 = t1).n;
      } else {
        t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;
      }
    }
    d3_timer_queueTail = t0;
    return time;
  }
  function d3_format_precision(x, p) {
    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
  }
  d3.round = function(x, n) {
    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
  };
  var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
  d3.formatPrefix = function(value, precision) {
    var i = 0;
    if (value = +value) {
      if (value < 0) value *= -1;
      if (precision) value = d3.round(value, d3_format_precision(value, precision));
      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
      i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));
    }
    return d3_formatPrefixes[8 + i / 3];
  };
  function d3_formatPrefix(d, i) {
    var k = Math.pow(10, abs(8 - i) * 3);
    return {
      scale: i > 8 ? function(d) {
        return d / k;
      } : function(d) {
        return d * k;
      },
      symbol: d
    };
  }
  function d3_locale_numberFormat(locale) {
    var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) {
      var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;
      while (i > 0 && g > 0) {
        if (length + g + 1 > width) g = Math.max(1, width - length);
        t.push(value.substring(i -= g, i + g));
        if ((length += g + 1) > width) break;
        g = locale_grouping[j = (j + 1) % locale_grouping.length];
      }
      return t.reverse().join(locale_thousands);
    } : d3_identity;
    return function(specifier) {
      var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true;
      if (precision) precision = +precision.substring(1);
      if (zfill || fill === "0" && align === "=") {
        zfill = fill = "0";
        align = "=";
      }
      switch (type) {
       case "n":
        comma = true;
        type = "g";
        break;

       case "%":
        scale = 100;
        suffix = "%";
        type = "f";
        break;

       case "p":
        scale = 100;
        suffix = "%";
        type = "r";
        break;

       case "b":
       case "o":
       case "x":
       case "X":
        if (symbol === "#") prefix = "0" + type.toLowerCase();

       case "c":
        exponent = false;

       case "d":
        integer = true;
        precision = 0;
        break;

       case "s":
        scale = -1;
        type = "r";
        break;
      }
      if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];
      if (type == "r" && !precision) type = "g";
      if (precision != null) {
        if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
      }
      type = d3_format_types.get(type) || d3_format_typeDefault;
      var zcomma = zfill && comma;
      return function(value) {
        var fullSuffix = suffix;
        if (integer && value % 1) return "";
        var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign;
        if (scale < 0) {
          var unit = d3.formatPrefix(value, precision);
          value = unit.scale(value);
          fullSuffix = unit.symbol + suffix;
        } else {
          value *= scale;
        }
        value = type(value, precision);
        var i = value.lastIndexOf("."), before, after;
        if (i < 0) {
          var j = exponent ? value.lastIndexOf("e") : -1;
          if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j);
        } else {
          before = value.substring(0, i);
          after = locale_decimal + value.substring(i + 1);
        }
        if (!zfill && comma) before = formatGroup(before, Infinity);
        var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
        if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);
        negative += prefix;
        value = before + after;
        return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;
      };
    };
  }
  var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
  var d3_format_types = d3.map({
    b: function(x) {
      return x.toString(2);
    },
    c: function(x) {
      return String.fromCharCode(x);
    },
    o: function(x) {
      return x.toString(8);
    },
    x: function(x) {
      return x.toString(16);
    },
    X: function(x) {
      return x.toString(16).toUpperCase();
    },
    g: function(x, p) {
      return x.toPrecision(p);
    },
    e: function(x, p) {
      return x.toExponential(p);
    },
    f: function(x, p) {
      return x.toFixed(p);
    },
    r: function(x, p) {
      return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
    }
  });
  function d3_format_typeDefault(x) {
    return x + "";
  }
  var d3_time = d3.time = {}, d3_date = Date;
  function d3_date_utc() {
    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
  }
  d3_date_utc.prototype = {
    getDate: function() {
      return this._.getUTCDate();
    },
    getDay: function() {
      return this._.getUTCDay();
    },
    getFullYear: function() {
      return this._.getUTCFullYear();
    },
    getHours: function() {
      return this._.getUTCHours();
    },
    getMilliseconds: function() {
      return this._.getUTCMilliseconds();
    },
    getMinutes: function() {
      return this._.getUTCMinutes();
    },
    getMonth: function() {
      return this._.getUTCMonth();
    },
    getSeconds: function() {
      return this._.getUTCSeconds();
    },
    getTime: function() {
      return this._.getTime();
    },
    getTimezoneOffset: function() {
      return 0;
    },
    valueOf: function() {
      return this._.valueOf();
    },
    setDate: function() {
      d3_time_prototype.setUTCDate.apply(this._, arguments);
    },
    setDay: function() {
      d3_time_prototype.setUTCDay.apply(this._, arguments);
    },
    setFullYear: function() {
      d3_time_prototype.setUTCFullYear.apply(this._, arguments);
    },
    setHours: function() {
      d3_time_prototype.setUTCHours.apply(this._, arguments);
    },
    setMilliseconds: function() {
      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
    },
    setMinutes: function() {
      d3_time_prototype.setUTCMinutes.apply(this._, arguments);
    },
    setMonth: function() {
      d3_time_prototype.setUTCMonth.apply(this._, arguments);
    },
    setSeconds: function() {
      d3_time_prototype.setUTCSeconds.apply(this._, arguments);
    },
    setTime: function() {
      d3_time_prototype.setTime.apply(this._, arguments);
    }
  };
  var d3_time_prototype = Date.prototype;
  function d3_time_interval(local, step, number) {
    function round(date) {
      var d0 = local(date), d1 = offset(d0, 1);
      return date - d0 < d1 - date ? d0 : d1;
    }
    function ceil(date) {
      step(date = local(new d3_date(date - 1)), 1);
      return date;
    }
    function offset(date, k) {
      step(date = new d3_date(+date), k);
      return date;
    }
    function range(t0, t1, dt) {
      var time = ceil(t0), times = [];
      if (dt > 1) {
        while (time < t1) {
          if (!(number(time) % dt)) times.push(new Date(+time));
          step(time, 1);
        }
      } else {
        while (time < t1) times.push(new Date(+time)), step(time, 1);
      }
      return times;
    }
    function range_utc(t0, t1, dt) {
      try {
        d3_date = d3_date_utc;
        var utc = new d3_date_utc();
        utc._ = t0;
        return range(utc, t1, dt);
      } finally {
        d3_date = Date;
      }
    }
    local.floor = local;
    local.round = round;
    local.ceil = ceil;
    local.offset = offset;
    local.range = range;
    var utc = local.utc = d3_time_interval_utc(local);
    utc.floor = utc;
    utc.round = d3_time_interval_utc(round);
    utc.ceil = d3_time_interval_utc(ceil);
    utc.offset = d3_time_interval_utc(offset);
    utc.range = range_utc;
    return local;
  }
  function d3_time_interval_utc(method) {
    return function(date, k) {
      try {
        d3_date = d3_date_utc;
        var utc = new d3_date_utc();
        utc._ = date;
        return method(utc, k)._;
      } finally {
        d3_date = Date;
      }
    };
  }
  d3_time.year = d3_time_interval(function(date) {
    date = d3_time.day(date);
    date.setMonth(0, 1);
    return date;
  }, function(date, offset) {
    date.setFullYear(date.getFullYear() + offset);
  }, function(date) {
    return date.getFullYear();
  });
  d3_time.years = d3_time.year.range;
  d3_time.years.utc = d3_time.year.utc.range;
  d3_time.day = d3_time_interval(function(date) {
    var day = new d3_date(2e3, 0);
    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
    return day;
  }, function(date, offset) {
    date.setDate(date.getDate() + offset);
  }, function(date) {
    return date.getDate() - 1;
  });
  d3_time.days = d3_time.day.range;
  d3_time.days.utc = d3_time.day.utc.range;
  d3_time.dayOfYear = function(date) {
    var year = d3_time.year(date);
    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
  };
  [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {
    i = 7 - i;
    var interval = d3_time[day] = d3_time_interval(function(date) {
      (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
      return date;
    }, function(date, offset) {
      date.setDate(date.getDate() + Math.floor(offset) * 7);
    }, function(date) {
      var day = d3_time.year(date).getDay();
      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
    });
    d3_time[day + "s"] = interval.range;
    d3_time[day + "s"].utc = interval.utc.range;
    d3_time[day + "OfYear"] = function(date) {
      var day = d3_time.year(date).getDay();
      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);
    };
  });
  d3_time.week = d3_time.sunday;
  d3_time.weeks = d3_time.sunday.range;
  d3_time.weeks.utc = d3_time.sunday.utc.range;
  d3_time.weekOfYear = d3_time.sundayOfYear;
  function d3_locale_timeFormat(locale) {
    var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;
    function d3_time_format(template) {
      var n = template.length;
      function format(date) {
        var string = [], i = -1, j = 0, c, p, f;
        while (++i < n) {
          if (template.charCodeAt(i) === 37) {
            string.push(template.slice(j, i));
            if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
            if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
            string.push(c);
            j = i + 1;
          }
        }
        string.push(template.slice(j, i));
        return string.join("");
      }
      format.parse = function(string) {
        var d = {
          y: 1900,
          m: 0,
          d: 1,
          H: 0,
          M: 0,
          S: 0,
          L: 0,
          Z: null
        }, i = d3_time_parse(d, template, string, 0);
        if (i != string.length) return null;
        if ("p" in d) d.H = d.H % 12 + d.p * 12;
        var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();
        if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) {
          if (!("w" in d)) d.w = "W" in d ? 1 : 0;
          date.setFullYear(d.y, 0, 1);
          date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);
        } else date.setFullYear(d.y, d.m, d.d);
        date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);
        return localZ ? date._ : date;
      };
      format.toString = function() {
        return template;
      };
      return format;
    }
    function d3_time_parse(date, template, string, j) {
      var c, p, t, i = 0, n = template.length, m = string.length;
      while (i < n) {
        if (j >= m) return -1;
        c = template.charCodeAt(i++);
        if (c === 37) {
          t = template.charAt(i++);
          p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];
          if (!p || (j = p(date, string, j)) < 0) return -1;
        } else if (c != string.charCodeAt(j++)) {
          return -1;
        }
      }
      return j;
    }
    d3_time_format.utc = function(template) {
      var local = d3_time_format(template);
      function format(date) {
        try {
          d3_date = d3_date_utc;
          var utc = new d3_date();
          utc._ = date;
          return local(utc);
        } finally {
          d3_date = Date;
        }
      }
      format.parse = function(string) {
        try {
          d3_date = d3_date_utc;
          var date = local.parse(string);
          return date && date._;
        } finally {
          d3_date = Date;
        }
      };
      format.toString = local.toString;
      return format;
    };
    d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;
    var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);
    locale_periods.forEach(function(p, i) {
      d3_time_periodLookup.set(p.toLowerCase(), i);
    });
    var d3_time_formats = {
      a: function(d) {
        return locale_shortDays[d.getDay()];
      },
      A: function(d) {
        return locale_days[d.getDay()];
      },
      b: function(d) {
        return locale_shortMonths[d.getMonth()];
      },
      B: function(d) {
        return locale_months[d.getMonth()];
      },
      c: d3_time_format(locale_dateTime),
      d: function(d, p) {
        return d3_time_formatPad(d.getDate(), p, 2);
      },
      e: function(d, p) {
        return d3_time_formatPad(d.getDate(), p, 2);
      },
      H: function(d, p) {
        return d3_time_formatPad(d.getHours(), p, 2);
      },
      I: function(d, p) {
        return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
      },
      j: function(d, p) {
        return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);
      },
      L: function(d, p) {
        return d3_time_formatPad(d.getMilliseconds(), p, 3);
      },
      m: function(d, p) {
        return d3_time_formatPad(d.getMonth() + 1, p, 2);
      },
      M: function(d, p) {
        return d3_time_formatPad(d.getMinutes(), p, 2);
      },
      p: function(d) {
        return locale_periods[+(d.getHours() >= 12)];
      },
      S: function(d, p) {
        return d3_time_formatPad(d.getSeconds(), p, 2);
      },
      U: function(d, p) {
        return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);
      },
      w: function(d) {
        return d.getDay();
      },
      W: function(d, p) {
        return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);
      },
      x: d3_time_format(locale_date),
      X: d3_time_format(locale_time),
      y: function(d, p) {
        return d3_time_formatPad(d.getFullYear() % 100, p, 2);
      },
      Y: function(d, p) {
        return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
      },
      Z: d3_time_zone,
      "%": function() {
        return "%";
      }
    };
    var d3_time_parsers = {
      a: d3_time_parseWeekdayAbbrev,
      A: d3_time_parseWeekday,
      b: d3_time_parseMonthAbbrev,
      B: d3_time_parseMonth,
      c: d3_time_parseLocaleFull,
      d: d3_time_parseDay,
      e: d3_time_parseDay,
      H: d3_time_parseHour24,
      I: d3_time_parseHour24,
      j: d3_time_parseDayOfYear,
      L: d3_time_parseMilliseconds,
      m: d3_time_parseMonthNumber,
      M: d3_time_parseMinutes,
      p: d3_time_parseAmPm,
      S: d3_time_parseSeconds,
      U: d3_time_parseWeekNumberSunday,
      w: d3_time_parseWeekdayNumber,
      W: d3_time_parseWeekNumberMonday,
      x: d3_time_parseLocaleDate,
      X: d3_time_parseLocaleTime,
      y: d3_time_parseYear,
      Y: d3_time_parseFullYear,
      Z: d3_time_parseZone,
      "%": d3_time_parseLiteralPercent
    };
    function d3_time_parseWeekdayAbbrev(date, string, i) {
      d3_time_dayAbbrevRe.lastIndex = 0;
      var n = d3_time_dayAbbrevRe.exec(string.slice(i));
      return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
    }
    function d3_time_parseWeekday(date, string, i) {
      d3_time_dayRe.lastIndex = 0;
      var n = d3_time_dayRe.exec(string.slice(i));
      return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
    }
    function d3_time_parseMonthAbbrev(date, string, i) {
      d3_time_monthAbbrevRe.lastIndex = 0;
      var n = d3_time_monthAbbrevRe.exec(string.slice(i));
      return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
    }
    function d3_time_parseMonth(date, string, i) {
      d3_time_monthRe.lastIndex = 0;
      var n = d3_time_monthRe.exec(string.slice(i));
      return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
    }
    function d3_time_parseLocaleFull(date, string, i) {
      return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
    }
    function d3_time_parseLocaleDate(date, string, i) {
      return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
    }
    function d3_time_parseLocaleTime(date, string, i) {
      return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
    }
    function d3_time_parseAmPm(date, string, i) {
      var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());
      return n == null ? -1 : (date.p = n, i);
    }
    return d3_time_format;
  }
  var d3_time_formatPads = {
    "-": "",
    _: " ",
    "0": "0"
  }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;
  function d3_time_formatPad(value, fill, width) {
    var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;
    return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
  }
  function d3_time_formatRe(names) {
    return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
  }
  function d3_time_formatLookup(names) {
    var map = new d3_Map(), i = -1, n = names.length;
    while (++i < n) map.set(names[i].toLowerCase(), i);
    return map;
  }
  function d3_time_parseWeekdayNumber(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 1));
    return n ? (date.w = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseWeekNumberSunday(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i));
    return n ? (date.U = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseWeekNumberMonday(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i));
    return n ? (date.W = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseFullYear(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 4));
    return n ? (date.y = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseYear(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
    return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;
  }
  function d3_time_parseZone(date, string, i) {
    return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, 
    i + 5) : -1;
  }
  function d3_time_expandYear(d) {
    return d + (d > 68 ? 1900 : 2e3);
  }
  function d3_time_parseMonthNumber(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
    return n ? (date.m = n[0] - 1, i + n[0].length) : -1;
  }
  function d3_time_parseDay(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
    return n ? (date.d = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseDayOfYear(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 3));
    return n ? (date.j = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseHour24(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
    return n ? (date.H = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseMinutes(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
    return n ? (date.M = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseSeconds(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
    return n ? (date.S = +n[0], i + n[0].length) : -1;
  }
  function d3_time_parseMilliseconds(date, string, i) {
    d3_time_numberRe.lastIndex = 0;
    var n = d3_time_numberRe.exec(string.slice(i, i + 3));
    return n ? (date.L = +n[0], i + n[0].length) : -1;
  }
  function d3_time_zone(d) {
    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60;
    return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
  }
  function d3_time_parseLiteralPercent(date, string, i) {
    d3_time_percentRe.lastIndex = 0;
    var n = d3_time_percentRe.exec(string.slice(i, i + 1));
    return n ? i + n[0].length : -1;
  }
  function d3_time_formatMulti(formats) {
    var n = formats.length, i = -1;
    while (++i < n) formats[i][0] = this(formats[i][0]);
    return function(date) {
      var i = 0, f = formats[i];
      while (!f[1](date)) f = formats[++i];
      return f[0](date);
    };
  }
  d3.locale = function(locale) {
    return {
      numberFormat: d3_locale_numberFormat(locale),
      timeFormat: d3_locale_timeFormat(locale)
    };
  };
  var d3_locale_enUS = d3.locale({
    decimal: ".",
    thousands: ",",
    grouping: [ 3 ],
    currency: [ "$", "" ],
    dateTime: "%a %b %e %X %Y",
    date: "%m/%d/%Y",
    time: "%H:%M:%S",
    periods: [ "AM", "PM" ],
    days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
    shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],
    months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
    shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
  });
  d3.format = d3_locale_enUS.numberFormat;
  d3.geo = {};
  function d3_adder() {}
  d3_adder.prototype = {
    s: 0,
    t: 0,
    add: function(y) {
      d3_adderSum(y, this.t, d3_adderTemp);
      d3_adderSum(d3_adderTemp.s, this.s, this);
      if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;
    },
    reset: function() {
      this.s = this.t = 0;
    },
    valueOf: function() {
      return this.s;
    }
  };
  var d3_adderTemp = new d3_adder();
  function d3_adderSum(a, b, o) {
    var x = o.s = a + b, bv = x - a, av = x - bv;
    o.t = a - av + (b - bv);
  }
  d3.geo.stream = function(object, listener) {
    if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
      d3_geo_streamObjectType[object.type](object, listener);
    } else {
      d3_geo_streamGeometry(object, listener);
    }
  };
  function d3_geo_streamGeometry(geometry, listener) {
    if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
      d3_geo_streamGeometryType[geometry.type](geometry, listener);
    }
  }
  var d3_geo_streamObjectType = {
    Feature: function(feature, listener) {
      d3_geo_streamGeometry(feature.geometry, listener);
    },
    FeatureCollection: function(object, listener) {
      var features = object.features, i = -1, n = features.length;
      while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
    }
  };
  var d3_geo_streamGeometryType = {
    Sphere: function(object, listener) {
      listener.sphere();
    },
    Point: function(object, listener) {
      object = object.coordinates;
      listener.point(object[0], object[1], object[2]);
    },
    MultiPoint: function(object, listener) {
      var coordinates = object.coordinates, i = -1, n = coordinates.length;
      while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);
    },
    LineString: function(object, listener) {
      d3_geo_streamLine(object.coordinates, listener, 0);
    },
    MultiLineString: function(object, listener) {
      var coordinates = object.coordinates, i = -1, n = coordinates.length;
      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
    },
    Polygon: function(object, listener) {
      d3_geo_streamPolygon(object.coordinates, listener);
    },
    MultiPolygon: function(object, listener) {
      var coordinates = object.coordinates, i = -1, n = coordinates.length;
      while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
    },
    GeometryCollection: function(object, listener) {
      var geometries = object.geometries, i = -1, n = geometries.length;
      while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
    }
  };
  function d3_geo_streamLine(coordinates, listener, closed) {
    var i = -1, n = coordinates.length - closed, coordinate;
    listener.lineStart();
    while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);
    listener.lineEnd();
  }
  function d3_geo_streamPolygon(coordinates, listener) {
    var i = -1, n = coordinates.length;
    listener.polygonStart();
    while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
    listener.polygonEnd();
  }
  d3.geo.area = function(object) {
    d3_geo_areaSum = 0;
    d3.geo.stream(object, d3_geo_area);
    return d3_geo_areaSum;
  };
  var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();
  var d3_geo_area = {
    sphere: function() {
      d3_geo_areaSum += 4 * π;
    },
    point: d3_noop,
    lineStart: d3_noop,
    lineEnd: d3_noop,
    polygonStart: function() {
      d3_geo_areaRingSum.reset();
      d3_geo_area.lineStart = d3_geo_areaRingStart;
    },
    polygonEnd: function() {
      var area = 2 * d3_geo_areaRingSum;
      d3_geo_areaSum += area < 0 ? 4 * π + area : area;
      d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
    }
  };
  function d3_geo_areaRingStart() {
    var λ00, φ00, λ0, cosφ0, sinφ0;
    d3_geo_area.point = function(λ, φ) {
      d3_geo_area.point = nextPoint;
      λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 
      sinφ0 = Math.sin(φ);
    };
    function nextPoint(λ, φ) {
      λ *= d3_radians;
      φ = φ * d3_radians / 2 + π / 4;
      var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);
      d3_geo_areaRingSum.add(Math.atan2(v, u));
      λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
    }
    d3_geo_area.lineEnd = function() {
      nextPoint(λ00, φ00);
    };
  }
  function d3_geo_cartesian(spherical) {
    var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
    return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
  }
  function d3_geo_cartesianDot(a, b) {
    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
  }
  function d3_geo_cartesianCross(a, b) {
    return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
  }
  function d3_geo_cartesianAdd(a, b) {
    a[0] += b[0];
    a[1] += b[1];
    a[2] += b[2];
  }
  function d3_geo_cartesianScale(vector, k) {
    return [ vector[0] * k, vector[1] * k, vector[2] * k ];
  }
  function d3_geo_cartesianNormalize(d) {
    var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
    d[0] /= l;
    d[1] /= l;
    d[2] /= l;
  }
  function d3_geo_spherical(cartesian) {
    return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];
  }
  function d3_geo_sphericalEqual(a, b) {
    return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;
  }
  d3.geo.bounds = function() {
    var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;
    var bound = {
      point: point,
      lineStart: lineStart,
      lineEnd: lineEnd,
      polygonStart: function() {
        bound.point = ringPoint;
        bound.lineStart = ringStart;
        bound.lineEnd = ringEnd;
        dλSum = 0;
        d3_geo_area.polygonStart();
      },
      polygonEnd: function() {
        d3_geo_area.polygonEnd();
        bound.point = point;
        bound.lineStart = lineStart;
        bound.lineEnd = lineEnd;
        if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;
        range[0] = λ0, range[1] = λ1;
      }
    };
    function point(λ, φ) {
      ranges.push(range = [ λ0 = λ, λ1 = λ ]);
      if (φ < φ0) φ0 = φ;
      if (φ > φ1) φ1 = φ;
    }
    function linePoint(λ, φ) {
      var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);
      if (p0) {
        var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);
        d3_geo_cartesianNormalize(inflection);
        inflection = d3_geo_spherical(inflection);
        var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;
        if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
          var φi = inflection[1] * d3_degrees;
          if (φi > φ1) φ1 = φi;
        } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
          var φi = -inflection[1] * d3_degrees;
          if (φi < φ0) φ0 = φi;
        } else {
          if (φ < φ0) φ0 = φ;
          if (φ > φ1) φ1 = φ;
        }
        if (antimeridian) {
          if (λ < λ_) {
            if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
          } else {
            if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
          }
        } else {
          if (λ1 >= λ0) {
            if (λ < λ0) λ0 = λ;
            if (λ > λ1) λ1 = λ;
          } else {
            if (λ > λ_) {
              if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
            } else {
              if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
            }
          }
        }
      } else {
        point(λ, φ);
      }
      p0 = p, λ_ = λ;
    }
    function lineStart() {
      bound.point = linePoint;
    }
    function lineEnd() {
      range[0] = λ0, range[1] = λ1;
      bound.point = point;
      p0 = null;
    }
    function ringPoint(λ, φ) {
      if (p0) {
        var dλ = λ - λ_;
        dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;
      } else λ__ = λ, φ__ = φ;
      d3_geo_area.point(λ, φ);
      linePoint(λ, φ);
    }
    function ringStart() {
      d3_geo_area.lineStart();
    }
    function ringEnd() {
      ringPoint(λ__, φ__);
      d3_geo_area.lineEnd();
      if (abs(dλSum) > ε) λ0 = -(λ1 = 180);
      range[0] = λ0, range[1] = λ1;
      p0 = null;
    }
    function angle(λ0, λ1) {
      return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;
    }
    function compareRanges(a, b) {
      return a[0] - b[0];
    }
    function withinRange(x, range) {
      return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
    }
    return function(feature) {
      φ1 = λ1 = -(λ0 = φ0 = Infinity);
      ranges = [];
      d3.geo.stream(feature, bound);
      var n = ranges.length;
      if (n) {
        ranges.sort(compareRanges);
        for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {
          b = ranges[i];
          if (withinRange(b[0], a) || withinRange(b[1], a)) {
            if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
            if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
          } else {
            merged.push(a = b);
          }
        }
        var best = -Infinity, dλ;
        for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {
          b = merged[i];
          if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];
        }
      }
      ranges = range = null;
      return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];
    };
  }();
  d3.geo.centroid = function(object) {
    d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
    d3.geo.stream(object, d3_geo_centroid);
    var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;
    if (m < ε2) {
      x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;
      if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;
      m = x * x + y * y + z * z;
      if (m < ε2) return [ NaN, NaN ];
    }
    return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];
  };
  var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;
  var d3_geo_centroid = {
    sphere: d3_noop,
    point: d3_geo_centroidPoint,
    lineStart: d3_geo_centroidLineStart,
    lineEnd: d3_geo_centroidLineEnd,
    polygonStart: function() {
      d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
    },
    polygonEnd: function() {
      d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
    }
  };
  function d3_geo_centroidPoint(λ, φ) {
    λ *= d3_radians;
    var cosφ = Math.cos(φ *= d3_radians);
    d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));
  }
  function d3_geo_centroidPointXYZ(x, y, z) {
    ++d3_geo_centroidW0;
    d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;
    d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;
    d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;
  }
  function d3_geo_centroidLineStart() {
    var x0, y0, z0;
    d3_geo_centroid.point = function(λ, φ) {
      λ *= d3_radians;
      var cosφ = Math.cos(φ *= d3_radians);
      x0 = cosφ * Math.cos(λ);
      y0 = cosφ * Math.sin(λ);
      z0 = Math.sin(φ);
      d3_geo_centroid.point = nextPoint;
      d3_geo_centroidPointXYZ(x0, y0, z0);
    };
    function nextPoint(λ, φ) {
      λ *= d3_radians;
      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
      d3_geo_centroidW1 += w;
      d3_geo_centroidX1 += w * (x0 + (x0 = x));
      d3_geo_centroidY1 += w * (y0 + (y0 = y));
      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
      d3_geo_centroidPointXYZ(x0, y0, z0);
    }
  }
  function d3_geo_centroidLineEnd() {
    d3_geo_centroid.point = d3_geo_centroidPoint;
  }
  function d3_geo_centroidRingStart() {
    var λ00, φ00, x0, y0, z0;
    d3_geo_centroid.point = function(λ, φ) {
      λ00 = λ, φ00 = φ;
      d3_geo_centroid.point = nextPoint;
      λ *= d3_radians;
      var cosφ = Math.cos(φ *= d3_radians);
      x0 = cosφ * Math.cos(λ);
      y0 = cosφ * Math.sin(λ);
      z0 = Math.sin(φ);
      d3_geo_centroidPointXYZ(x0, y0, z0);
    };
    d3_geo_centroid.lineEnd = function() {
      nextPoint(λ00, φ00);
      d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
      d3_geo_centroid.point = d3_geo_centroidPoint;
    };
    function nextPoint(λ, φ) {
      λ *= d3_radians;
      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);
      d3_geo_centroidX2 += v * cx;
      d3_geo_centroidY2 += v * cy;
      d3_geo_centroidZ2 += v * cz;
      d3_geo_centroidW1 += w;
      d3_geo_centroidX1 += w * (x0 + (x0 = x));
      d3_geo_centroidY1 += w * (y0 + (y0 = y));
      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
      d3_geo_centroidPointXYZ(x0, y0, z0);
    }
  }
  function d3_geo_compose(a, b) {
    function compose(x, y) {
      return x = a(x, y), b(x[0], x[1]);
    }
    if (a.invert && b.invert) compose.invert = function(x, y) {
      return x = b.invert(x, y), x && a.invert(x[0], x[1]);
    };
    return compose;
  }
  function d3_true() {
    return true;
  }
  function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {
    var subject = [], clip = [];
    segments.forEach(function(segment) {
      if ((n = segment.length - 1) <= 0) return;
      var n, p0 = segment[0], p1 = segment[n];
      if (d3_geo_sphericalEqual(p0, p1)) {
        listener.lineStart();
        for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
        listener.lineEnd();
        return;
      }
      var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);
      a.o = b;
      subject.push(a);
      clip.push(b);
      a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);
      b = new d3_geo_clipPolygonIntersection(p1, null, a, true);
      a.o = b;
      subject.push(a);
      clip.push(b);
    });
    clip.sort(compare);
    d3_geo_clipPolygonLinkCircular(subject);
    d3_geo_clipPolygonLinkCircular(clip);
    if (!subject.length) return;
    for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {
      clip[i].e = entry = !entry;
    }
    var start = subject[0], points, point;
    while (1) {
      var current = start, isSubject = true;
      while (current.v) if ((current = current.n) === start) return;
      points = current.z;
      listener.lineStart();
      do {
        current.v = current.o.v = true;
        if (current.e) {
          if (isSubject) {
            for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);
          } else {
            interpolate(current.x, current.n.x, 1, listener);
          }
          current = current.n;
        } else {
          if (isSubject) {
            points = current.p.z;
            for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);
          } else {
            interpolate(current.x, current.p.x, -1, listener);
          }
          current = current.p;
        }
        current = current.o;
        points = current.z;
        isSubject = !isSubject;
      } while (!current.v);
      listener.lineEnd();
    }
  }
  function d3_geo_clipPolygonLinkCircular(array) {
    if (!(n = array.length)) return;
    var n, i = 0, a = array[0], b;
    while (++i < n) {
      a.n = b = array[i];
      b.p = a;
      a = b;
    }
    a.n = b = array[0];
    b.p = a;
  }
  function d3_geo_clipPolygonIntersection(point, points, other, entry) {
    this.x = point;
    this.z = points;
    this.o = other;
    this.e = entry;
    this.v = false;
    this.n = this.p = null;
  }
  function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {
    return function(rotate, listener) {
      var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);
      var clip = {
        point: point,
        lineStart: lineStart,
        lineEnd: lineEnd,
        polygonStart: function() {
          clip.point = pointRing;
          clip.lineStart = ringStart;
          clip.lineEnd = ringEnd;
          segments = [];
          polygon = [];
        },
        polygonEnd: function() {
          clip.point = point;
          clip.lineStart = lineStart;
          clip.lineEnd = lineEnd;
          segments = d3.merge(segments);
          var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);
          if (segments.length) {
            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
            d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);
          } else if (clipStartInside) {
            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
            listener.lineStart();
            interpolate(null, null, 1, listener);
            listener.lineEnd();
          }
          if (polygonStarted) listener.polygonEnd(), polygonStarted = false;
          segments = polygon = null;
        },
        sphere: function() {
          listener.polygonStart();
          listener.lineStart();
          interpolate(null, null, 1, listener);
          listener.lineEnd();
          listener.polygonEnd();
        }
      };
      function point(λ, φ) {
        var point = rotate(λ, φ);
        if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);
      }
      function pointLine(λ, φ) {
        var point = rotate(λ, φ);
        line.point(point[0], point[1]);
      }
      function lineStart() {
        clip.point = pointLine;
        line.lineStart();
      }
      function lineEnd() {
        clip.point = point;
        line.lineEnd();
      }
      var segments;
      var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;
      function pointRing(λ, φ) {
        ring.push([ λ, φ ]);
        var point = rotate(λ, φ);
        ringListener.point(point[0], point[1]);
      }
      function ringStart() {
        ringListener.lineStart();
        ring = [];
      }
      function ringEnd() {
        pointRing(ring[0][0], ring[0][1]);
        ringListener.lineEnd();
        var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
        ring.pop();
        polygon.push(ring);
        ring = null;
        if (!n) return;
        if (clean & 1) {
          segment = ringSegments[0];
          var n = segment.length - 1, i = -1, point;
          if (n > 0) {
            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
            listener.lineStart();
            while (++i < n) listener.point((point = segment[i])[0], point[1]);
            listener.lineEnd();
          }
          return;
        }
        if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
        segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
      }
      return clip;
    };
  }
  function d3_geo_clipSegmentLength1(segment) {
    return segment.length > 1;
  }
  function d3_geo_clipBufferListener() {
    var lines = [], line;
    return {
      lineStart: function() {
        lines.push(line = []);
      },
      point: function(λ, φ) {
        line.push([ λ, φ ]);
      },
      lineEnd: d3_noop,
      buffer: function() {
        var buffer = lines;
        lines = [];
        line = null;
        return buffer;
      },
      rejoin: function() {
        if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
      }
    };
  }
  function d3_geo_clipSort(a, b) {
    return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);
  }
  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);
  function d3_geo_clipAntimeridianLine(listener) {
    var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
    return {
      lineStart: function() {
        listener.lineStart();
        clean = 1;
      },
      point: function(λ1, φ1) {
        var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);
        if (abs(dλ - π) < ε) {
          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);
          listener.point(sλ0, φ0);
          listener.lineEnd();
          listener.lineStart();
          listener.point(sλ1, φ0);
          listener.point(λ1, φ0);
          clean = 0;
        } else if (sλ0 !== sλ1 && dλ >= π) {
          if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
          if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
          φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
          listener.point(sλ0, φ0);
          listener.lineEnd();
          listener.lineStart();
          listener.point(sλ1, φ0);
          clean = 0;
        }
        listener.point(λ0 = λ1, φ0 = φ1);
        sλ0 = sλ1;
      },
      lineEnd: function() {
        listener.lineEnd();
        λ0 = φ0 = NaN;
      },
      clean: function() {
        return 2 - clean;
      }
    };
  }
  function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
    var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
    return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
  }
  function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
    var φ;
    if (from == null) {
      φ = direction * halfπ;
      listener.point(-π, φ);
      listener.point(0, φ);
      listener.point(π, φ);
      listener.point(π, 0);
      listener.point(π, -φ);
      listener.point(0, -φ);
      listener.point(-π, -φ);
      listener.point(-π, 0);
      listener.point(-π, φ);
    } else if (abs(from[0] - to[0]) > ε) {
      var s = from[0] < to[0] ? π : -π;
      φ = direction * s / 2;
      listener.point(-s, φ);
      listener.point(0, φ);
      listener.point(s, φ);
    } else {
      listener.point(to[0], to[1]);
    }
  }
  function d3_geo_pointInPolygon(point, polygon) {
    var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;
    d3_geo_areaRingSum.reset();
    for (var i = 0, n = polygon.length; i < n; ++i) {
      var ring = polygon[i], m = ring.length;
      if (!m) continue;
      var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;
      while (true) {
        if (j === m) j = 0;
        point = ring[j];
        var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;
        d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));
        polarAngle += antimeridian ? dλ + sdλ * τ : dλ;
        if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {
          var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));
          d3_geo_cartesianNormalize(arc);
          var intersection = d3_geo_cartesianCross(meridianNormal, arc);
          d3_geo_cartesianNormalize(intersection);
          var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);
          if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {
            winding += antimeridian ^ dλ >= 0 ? 1 : -1;
          }
        }
        if (!j++) break;
        λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
      }
    }
    return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1;
  }
  function d3_geo_clipCircle(radius) {
    var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
    return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);
    function visible(λ, φ) {
      return Math.cos(λ) * Math.cos(φ) > cr;
    }
    function clipLine(listener) {
      var point0, c0, v0, v00, clean;
      return {
        lineStart: function() {
          v00 = v0 = false;
          clean = 1;
        },
        point: function(λ, φ) {
          var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
          if (!point0 && (v00 = v0 = v)) listener.lineStart();
          if (v !== v0) {
            point2 = intersect(point0, point1);
            if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
              point1[0] += ε;
              point1[1] += ε;
              v = visible(point1[0], point1[1]);
            }
          }
          if (v !== v0) {
            clean = 0;
            if (v) {
              listener.lineStart();
              point2 = intersect(point1, point0);
              listener.point(point2[0], point2[1]);
            } else {
              point2 = intersect(point0, point1);
              listener.point(point2[0], point2[1]);
              listener.lineEnd();
            }
            point0 = point2;
          } else if (notHemisphere && point0 && smallRadius ^ v) {
            var t;
            if (!(c & c0) && (t = intersect(point1, point0, true))) {
              clean = 0;
              if (smallRadius) {
                listener.lineStart();
                listener.point(t[0][0], t[0][1]);
                listener.point(t[1][0], t[1][1]);
                listener.lineEnd();
              } else {
                listener.point(t[1][0], t[1][1]);
                listener.lineEnd();
                listener.lineStart();
                listener.point(t[0][0], t[0][1]);
              }
            }
          }
          if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
            listener.point(point1[0], point1[1]);
          }
          point0 = point1, v0 = v, c0 = c;
        },
        lineEnd: function() {
          if (v0) listener.lineEnd();
          point0 = null;
        },
        clean: function() {
          return clean | (v00 && v0) << 1;
        }
      };
    }
    function intersect(a, b, two) {
      var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
      var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
      if (!determinant) return !two && a;
      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
      d3_geo_cartesianAdd(A, B);
      var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
      if (t2 < 0) return;
      var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
      d3_geo_cartesianAdd(q, A);
      q = d3_geo_spherical(q);
      if (!two) return q;
      var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
      if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
      var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;
      if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
      if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
        var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
        d3_geo_cartesianAdd(q1, A);
        return [ q, d3_geo_spherical(q1) ];
      }
    }
    function code(λ, φ) {
      var r = smallRadius ? radius : π - radius, code = 0;
      if (λ < -r) code |= 1; else if (λ > r) code |= 2;
      if (φ < -r) code |= 4; else if (φ > r) code |= 8;
      return code;
    }
  }
  function d3_geom_clipLine(x0, y0, x1, y1) {
    return function(line) {
      var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
      r = x0 - ax;
      if (!dx && r > 0) return;
      r /= dx;
      if (dx < 0) {
        if (r < t0) return;
        if (r < t1) t1 = r;
      } else if (dx > 0) {
        if (r > t1) return;
        if (r > t0) t0 = r;
      }
      r = x1 - ax;
      if (!dx && r < 0) return;
      r /= dx;
      if (dx < 0) {
        if (r > t1) return;
        if (r > t0) t0 = r;
      } else if (dx > 0) {
        if (r < t0) return;
        if (r < t1) t1 = r;
      }
      r = y0 - ay;
      if (!dy && r > 0) return;
      r /= dy;
      if (dy < 0) {
        if (r < t0) return;
        if (r < t1) t1 = r;
      } else if (dy > 0) {
        if (r > t1) return;
        if (r > t0) t0 = r;
      }
      r = y1 - ay;
      if (!dy && r < 0) return;
      r /= dy;
      if (dy < 0) {
        if (r > t1) return;
        if (r > t0) t0 = r;
      } else if (dy > 0) {
        if (r < t0) return;
        if (r < t1) t1 = r;
      }
      if (t0 > 0) line.a = {
        x: ax + t0 * dx,
        y: ay + t0 * dy
      };
      if (t1 < 1) line.b = {
        x: ax + t1 * dx,
        y: ay + t1 * dy
      };
      return line;
    };
  }
  var d3_geo_clipExtentMAX = 1e9;
  d3.geo.clipExtent = function() {
    var x0, y0, x1, y1, stream, clip, clipExtent = {
      stream: function(output) {
        if (stream) stream.valid = false;
        stream = clip(output);
        stream.valid = true;
        return stream;
      },
      extent: function(_) {
        if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
        clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);
        if (stream) stream.valid = false, stream = null;
        return clipExtent;
      }
    };
    return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);
  };
  function d3_geo_clipExtent(x0, y0, x1, y1) {
    return function(listener) {
      var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;
      var clip = {
        point: point,
        lineStart: lineStart,
        lineEnd: lineEnd,
        polygonStart: function() {
          listener = bufferListener;
          segments = [];
          polygon = [];
          clean = true;
        },
        polygonEnd: function() {
          listener = listener_;
          segments = d3.merge(segments);
          var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;
          if (inside || visible) {
            listener.polygonStart();
            if (inside) {
              listener.lineStart();
              interpolate(null, null, 1, listener);
              listener.lineEnd();
            }
            if (visible) {
              d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);
            }
            listener.polygonEnd();
          }
          segments = polygon = ring = null;
        }
      };
      function insidePolygon(p) {
        var wn = 0, n = polygon.length, y = p[1];
        for (var i = 0; i < n; ++i) {
          for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {
            b = v[j];
            if (a[1] <= y) {
              if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;
            } else {
              if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;
            }
            a = b;
          }
        }
        return wn !== 0;
      }
      function interpolate(from, to, direction, listener) {
        var a = 0, a1 = 0;
        if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
          do {
            listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
          } while ((a = (a + direction + 4) % 4) !== a1);
        } else {
          listener.point(to[0], to[1]);
        }
      }
      function pointVisible(x, y) {
        return x0 <= x && x <= x1 && y0 <= y && y <= y1;
      }
      function point(x, y) {
        if (pointVisible(x, y)) listener.point(x, y);
      }
      var x__, y__, v__, x_, y_, v_, first, clean;
      function lineStart() {
        clip.point = linePoint;
        if (polygon) polygon.push(ring = []);
        first = true;
        v_ = false;
        x_ = y_ = NaN;
      }
      function lineEnd() {
        if (segments) {
          linePoint(x__, y__);
          if (v__ && v_) bufferListener.rejoin();
          segments.push(bufferListener.buffer());
        }
        clip.point = point;
        if (v_) listener.lineEnd();
      }
      function linePoint(x, y) {
        x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));
        y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));
        var v = pointVisible(x, y);
        if (polygon) ring.push([ x, y ]);
        if (first) {
          x__ = x, y__ = y, v__ = v;
          first = false;
          if (v) {
            listener.lineStart();
            listener.point(x, y);
          }
        } else {
          if (v && v_) listener.point(x, y); else {
            var l = {
              a: {
                x: x_,
                y: y_
              },
              b: {
                x: x,
                y: y
              }
            };
            if (clipLine(l)) {
              if (!v_) {
                listener.lineStart();
                listener.point(l.a.x, l.a.y);
              }
              listener.point(l.b.x, l.b.y);
              if (!v) listener.lineEnd();
              clean = false;
            } else if (v) {
              listener.lineStart();
              listener.point(x, y);
              clean = false;
            }
          }
        }
        x_ = x, y_ = y, v_ = v;
      }
      return clip;
    };
    function corner(p, direction) {
      return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
    }
    function compare(a, b) {
      return comparePoints(a.x, b.x);
    }
    function comparePoints(a, b) {
      var ca = corner(a, 1), cb = corner(b, 1);
      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
    }
  }
  function d3_geo_conic(projectAt) {
    var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
    p.parallels = function(_) {
      if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
      return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
    };
    return p;
  }
  function d3_geo_conicEqualArea(φ0, φ1) {
    var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
    function forward(λ, φ) {
      var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
      return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
    }
    forward.invert = function(x, y) {
      var ρ0_y = ρ0 - y;
      return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
    };
    return forward;
  }
  (d3.geo.conicEqualArea = function() {
    return d3_geo_conic(d3_geo_conicEqualArea);
  }).raw = d3_geo_conicEqualArea;
  d3.geo.albers = function() {
    return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);
  };
  d3.geo.albersUsa = function() {
    var lower48 = d3.geo.albers();
    var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);
    var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);
    var point, pointStream = {
      point: function(x, y) {
        point = [ x, y ];
      }
    }, lower48Point, alaskaPoint, hawaiiPoint;
    function albersUsa(coordinates) {
      var x = coordinates[0], y = coordinates[1];
      point = null;
      (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);
      return point;
    }
    albersUsa.invert = function(coordinates) {
      var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;
      return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);
    };
    albersUsa.stream = function(stream) {
      var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);
      return {
        point: function(x, y) {
          lower48Stream.point(x, y);
          alaskaStream.point(x, y);
          hawaiiStream.point(x, y);
        },
        sphere: function() {
          lower48Stream.sphere();
          alaskaStream.sphere();
          hawaiiStream.sphere();
        },
        lineStart: function() {
          lower48Stream.lineStart();
          alaskaStream.lineStart();
          hawaiiStream.lineStart();
        },
        lineEnd: function() {
          lower48Stream.lineEnd();
          alaskaStream.lineEnd();
          hawaiiStream.lineEnd();
        },
        polygonStart: function() {
          lower48Stream.polygonStart();
          alaskaStream.polygonStart();
          hawaiiStream.polygonStart();
        },
        polygonEnd: function() {
          lower48Stream.polygonEnd();
          alaskaStream.polygonEnd();
          hawaiiStream.polygonEnd();
        }
      };
    };
    albersUsa.precision = function(_) {
      if (!arguments.length) return lower48.precision();
      lower48.precision(_);
      alaska.precision(_);
      hawaii.precision(_);
      return albersUsa;
    };
    albersUsa.scale = function(_) {
      if (!arguments.length) return lower48.scale();
      lower48.scale(_);
      alaska.scale(_ * .35);
      hawaii.scale(_);
      return albersUsa.translate(lower48.translate());
    };
    albersUsa.translate = function(_) {
      if (!arguments.length) return lower48.translate();
      var k = lower48.scale(), x = +_[0], y = +_[1];
      lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;
      alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
      hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
      return albersUsa;
    };
    return albersUsa.scale(1070);
  };
  var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
    point: d3_noop,
    lineStart: d3_noop,
    lineEnd: d3_noop,
    polygonStart: function() {
      d3_geo_pathAreaPolygon = 0;
      d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
    },
    polygonEnd: function() {
      d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
      d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);
    }
  };
  function d3_geo_pathAreaRingStart() {
    var x00, y00, x0, y0;
    d3_geo_pathArea.point = function(x, y) {
      d3_geo_pathArea.point = nextPoint;
      x00 = x0 = x, y00 = y0 = y;
    };
    function nextPoint(x, y) {
      d3_geo_pathAreaPolygon += y0 * x - x0 * y;
      x0 = x, y0 = y;
    }
    d3_geo_pathArea.lineEnd = function() {
      nextPoint(x00, y00);
    };
  }
  var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;
  var d3_geo_pathBounds = {
    point: d3_geo_pathBoundsPoint,
    lineStart: d3_noop,
    lineEnd: d3_noop,
    polygonStart: d3_noop,
    polygonEnd: d3_noop
  };
  function d3_geo_pathBoundsPoint(x, y) {
    if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;
    if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;
    if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;
    if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;
  }
  function d3_geo_pathBuffer() {
    var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];
    var stream = {
      point: point,
      lineStart: function() {
        stream.point = pointLineStart;
      },
      lineEnd: lineEnd,
      polygonStart: function() {
        stream.lineEnd = lineEndPolygon;
      },
      polygonEnd: function() {
        stream.lineEnd = lineEnd;
        stream.point = point;
      },
      pointRadius: function(_) {
        pointCircle = d3_geo_pathBufferCircle(_);
        return stream;
      },
      result: function() {
        if (buffer.length) {
          var result = buffer.join("");
          buffer = [];
          return result;
        }
      }
    };
    function point(x, y) {
      buffer.push("M", x, ",", y, pointCircle);
    }
    function pointLineStart(x, y) {
      buffer.push("M", x, ",", y);
      stream.point = pointLine;
    }
    function pointLine(x, y) {
      buffer.push("L", x, ",", y);
    }
    function lineEnd() {
      stream.point = point;
    }
    function lineEndPolygon() {
      buffer.push("Z");
    }
    return stream;
  }
  function d3_geo_pathBufferCircle(radius) {
    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
  }
  var d3_geo_pathCentroid = {
    point: d3_geo_pathCentroidPoint,
    lineStart: d3_geo_pathCentroidLineStart,
    lineEnd: d3_geo_pathCentroidLineEnd,
    polygonStart: function() {
      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
    },
    polygonEnd: function() {
      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
      d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
    }
  };
  function d3_geo_pathCentroidPoint(x, y) {
    d3_geo_centroidX0 += x;
    d3_geo_centroidY0 += y;
    ++d3_geo_centroidZ0;
  }
  function d3_geo_pathCentroidLineStart() {
    var x0, y0;
    d3_geo_pathCentroid.point = function(x, y) {
      d3_geo_pathCentroid.point = nextPoint;
      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
    };
    function nextPoint(x, y) {
      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
      d3_geo_centroidX1 += z * (x0 + x) / 2;
      d3_geo_centroidY1 += z * (y0 + y) / 2;
      d3_geo_centroidZ1 += z;
      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
    }
  }
  function d3_geo_pathCentroidLineEnd() {
    d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
  }
  function d3_geo_pathCentroidRingStart() {
    var x00, y00, x0, y0;
    d3_geo_pathCentroid.point = function(x, y) {
      d3_geo_pathCentroid.point = nextPoint;
      d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);
    };
    function nextPoint(x, y) {
      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
      d3_geo_centroidX1 += z * (x0 + x) / 2;
      d3_geo_centroidY1 += z * (y0 + y) / 2;
      d3_geo_centroidZ1 += z;
      z = y0 * x - x0 * y;
      d3_geo_centroidX2 += z * (x0 + x);
      d3_geo_centroidY2 += z * (y0 + y);
      d3_geo_centroidZ2 += z * 3;
      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
    }
    d3_geo_pathCentroid.lineEnd = function() {
      nextPoint(x00, y00);
    };
  }
  function d3_geo_pathContext(context) {
    var pointRadius = 4.5;
    var stream = {
      point: point,
      lineStart: function() {
        stream.point = pointLineStart;
      },
      lineEnd: lineEnd,
      polygonStart: function() {
        stream.lineEnd = lineEndPolygon;
      },
      polygonEnd: function() {
        stream.lineEnd = lineEnd;
        stream.point = point;
      },
      pointRadius: function(_) {
        pointRadius = _;
        return stream;
      },
      result: d3_noop
    };
    function point(x, y) {
      context.moveTo(x + pointRadius, y);
      context.arc(x, y, pointRadius, 0, τ);
    }
    function pointLineStart(x, y) {
      context.moveTo(x, y);
      stream.point = pointLine;
    }
    function pointLine(x, y) {
      context.lineTo(x, y);
    }
    function lineEnd() {
      stream.point = point;
    }
    function lineEndPolygon() {
      context.closePath();
    }
    return stream;
  }
  function d3_geo_resample(project) {
    var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;
    function resample(stream) {
      return (maxDepth ? resampleRecursive : resampleNone)(stream);
    }
    function resampleNone(stream) {
      return d3_geo_transformPoint(stream, function(x, y) {
        x = project(x, y);
        stream.point(x[0], x[1]);
      });
    }
    function resampleRecursive(stream) {
      var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;
      var resample = {
        point: point,
        lineStart: lineStart,
        lineEnd: lineEnd,
        polygonStart: function() {
          stream.polygonStart();
          resample.lineStart = ringStart;
        },
        polygonEnd: function() {
          stream.polygonEnd();
          resample.lineStart = lineStart;
        }
      };
      function point(x, y) {
        x = project(x, y);
        stream.point(x[0], x[1]);
      }
      function lineStart() {
        x0 = NaN;
        resample.point = linePoint;
        stream.lineStart();
      }
      function linePoint(λ, φ) {
        var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
        resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
        stream.point(x0, y0);
      }
      function lineEnd() {
        resample.point = point;
        stream.lineEnd();
      }
      function ringStart() {
        lineStart();
        resample.point = ringPoint;
        resample.lineEnd = ringEnd;
      }
      function ringPoint(λ, φ) {
        linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
        resample.point = linePoint;
      }
      function ringEnd() {
        resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
        resample.lineEnd = lineEnd;
        lineEnd();
      }
      return resample;
    }
    function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
      var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
      if (d2 > 4 * δ2 && depth--) {
        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
        if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
          resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
          stream.point(x2, y2);
          resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
        }
      }
    }
    resample.precision = function(_) {
      if (!arguments.length) return Math.sqrt(δ2);
      maxDepth = (δ2 = _ * _) > 0 && 16;
      return resample;
    };
    return resample;
  }
  d3.geo.path = function() {
    var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;
    function path(object) {
      if (object) {
        if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
        if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);
        d3.geo.stream(object, cacheStream);
      }
      return contextStream.result();
    }
    path.area = function(object) {
      d3_geo_pathAreaSum = 0;
      d3.geo.stream(object, projectStream(d3_geo_pathArea));
      return d3_geo_pathAreaSum;
    };
    path.centroid = function(object) {
      d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
      d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
      return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];
    };
    path.bounds = function(object) {
      d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);
      d3.geo.stream(object, projectStream(d3_geo_pathBounds));
      return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];
    };
    path.projection = function(_) {
      if (!arguments.length) return projection;
      projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
      return reset();
    };
    path.context = function(_) {
      if (!arguments.length) return context;
      contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
      if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
      return reset();
    };
    path.pointRadius = function(_) {
      if (!arguments.length) return pointRadius;
      pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
      return path;
    };
    function reset() {
      cacheStream = null;
      return path;
    }
    return path.projection(d3.geo.albersUsa()).context(null);
  };
  function d3_geo_pathProjectStream(project) {
    var resample = d3_geo_resample(function(x, y) {
      return project([ x * d3_degrees, y * d3_degrees ]);
    });
    return function(stream) {
      return d3_geo_projectionRadians(resample(stream));
    };
  }
  d3.geo.transform = function(methods) {
    return {
      stream: function(stream) {
        var transform = new d3_geo_transform(stream);
        for (var k in methods) transform[k] = methods[k];
        return transform;
      }
    };
  };
  function d3_geo_transform(stream) {
    this.stream = stream;
  }
  d3_geo_transform.prototype = {
    point: function(x, y) {
      this.stream.point(x, y);
    },
    sphere: function() {
      this.stream.sphere();
    },
    lineStart: function() {
      this.stream.lineStart();
    },
    lineEnd: function() {
      this.stream.lineEnd();
    },
    polygonStart: function() {
      this.stream.polygonStart();
    },
    polygonEnd: function() {
      this.stream.polygonEnd();
    }
  };
  function d3_geo_transformPoint(stream, point) {
    return {
      point: point,
      sphere: function() {
        stream.sphere();
      },
      lineStart: function() {
        stream.lineStart();
      },
      lineEnd: function() {
        stream.lineEnd();
      },
      polygonStart: function() {
        stream.polygonStart();
      },
      polygonEnd: function() {
        stream.polygonEnd();
      }
    };
  }
  d3.geo.projection = d3_geo_projection;
  d3.geo.projectionMutator = d3_geo_projectionMutator;
  function d3_geo_projection(project) {
    return d3_geo_projectionMutator(function() {
      return project;
    })();
  }
  function d3_geo_projectionMutator(projectAt) {
    var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
      x = project(x, y);
      return [ x[0] * k + δx, δy - x[1] * k ];
    }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;
    function projection(point) {
      point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
      return [ point[0] * k + δx, δy - point[1] * k ];
    }
    function invert(point) {
      point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
      return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
    }
    projection.stream = function(output) {
      if (stream) stream.valid = false;
      stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));
      stream.valid = true;
      return stream;
    };
    projection.clipAngle = function(_) {
      if (!arguments.length) return clipAngle;
      preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
      return invalidate();
    };
    projection.clipExtent = function(_) {
      if (!arguments.length) return clipExtent;
      clipExtent = _;
      postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;
      return invalidate();
    };
    projection.scale = function(_) {
      if (!arguments.length) return k;
      k = +_;
      return reset();
    };
    projection.translate = function(_) {
      if (!arguments.length) return [ x, y ];
      x = +_[0];
      y = +_[1];
      return reset();
    };
    projection.center = function(_) {
      if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
      λ = _[0] % 360 * d3_radians;
      φ = _[1] % 360 * d3_radians;
      return reset();
    };
    projection.rotate = function(_) {
      if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
      δλ = _[0] % 360 * d3_radians;
      δφ = _[1] % 360 * d3_radians;
      δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
      return reset();
    };
    d3.rebind(projection, projectResample, "precision");
    function reset() {
      projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
      var center = project(λ, φ);
      δx = x - center[0] * k;
      δy = y + center[1] * k;
      return invalidate();
    }
    function invalidate() {
      if (stream) stream.valid = false, stream = null;
      return projection;
    }
    return function() {
      project = projectAt.apply(this, arguments);
      projection.invert = project.invert && invert;
      return reset();
    };
  }
  function d3_geo_projectionRadians(stream) {
    return d3_geo_transformPoint(stream, function(x, y) {
      stream.point(x * d3_radians, y * d3_radians);
    });
  }
  function d3_geo_equirectangular(λ, φ) {
    return [ λ, φ ];
  }
  (d3.geo.equirectangular = function() {
    return d3_geo_projection(d3_geo_equirectangular);
  }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
  d3.geo.rotation = function(rotate) {
    rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
    function forward(coordinates) {
      coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
    }
    forward.invert = function(coordinates) {
      coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
    };
    return forward;
  };
  function d3_geo_identityRotation(λ, φ) {
    return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
  }
  d3_geo_identityRotation.invert = d3_geo_equirectangular;
  function d3_geo_rotation(δλ, δφ, δγ) {
    return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;
  }
  function d3_geo_forwardRotationλ(δλ) {
    return function(λ, φ) {
      return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
    };
  }
  function d3_geo_rotationλ(δλ) {
    var rotation = d3_geo_forwardRotationλ(δλ);
    rotation.invert = d3_geo_forwardRotationλ(-δλ);
    return rotation;
  }
  function d3_geo_rotationφγ(δφ, δγ) {
    var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
    function rotation(λ, φ) {
      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
      return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];
    }
    rotation.invert = function(λ, φ) {
      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
      return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];
    };
    return rotation;
  }
  d3.geo.circle = function() {
    var origin = [ 0, 0 ], angle, precision = 6, interpolate;
    function circle() {
      var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
      interpolate(null, null, 1, {
        point: function(x, y) {
          ring.push(x = rotate(x, y));
          x[0] *= d3_degrees, x[1] *= d3_degrees;
        }
      });
      return {
        type: "Polygon",
        coordinates: [ ring ]
      };
    }
    circle.origin = function(x) {
      if (!arguments.length) return origin;
      origin = x;
      return circle;
    };
    circle.angle = function(x) {
      if (!arguments.length) return angle;
      interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
      return circle;
    };
    circle.precision = function(_) {
      if (!arguments.length) return precision;
      interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
      return circle;
    };
    return circle.angle(90);
  };
  function d3_geo_circleInterpolate(radius, precision) {
    var cr = Math.cos(radius), sr = Math.sin(radius);
    return function(from, to, direction, listener) {
      var step = direction * precision;
      if (from != null) {
        from = d3_geo_circleAngle(cr, from);
        to = d3_geo_circleAngle(cr, to);
        if (direction > 0 ? from < to : from > to) from += direction * τ;
      } else {
        from = radius + direction * τ;
        to = radius - .5 * step;
      }
      for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {
        listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
      }
    };
  }
  function d3_geo_circleAngle(cr, point) {
    var a = d3_geo_cartesian(point);
    a[0] -= cr;
    d3_geo_cartesianNormalize(a);
    var angle = d3_acos(-a[1]);
    return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
  }
  d3.geo.distance = function(a, b) {
    var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
    return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
  };
  d3.geo.graticule = function() {
    var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
    function graticule() {
      return {
        type: "MultiLineString",
        coordinates: lines()
      };
    }
    function lines() {
      return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
        return abs(x % DX) > ε;
      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
        return abs(y % DY) > ε;
      }).map(y));
    }
    graticule.lines = function() {
      return lines().map(function(coordinates) {
        return {
          type: "LineString",
          coordinates: coordinates
        };
      });
    };
    graticule.outline = function() {
      return {
        type: "Polygon",
        coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
      };
    };
    graticule.extent = function(_) {
      if (!arguments.length) return graticule.minorExtent();
      return graticule.majorExtent(_).minorExtent(_);
    };
    graticule.majorExtent = function(_) {
      if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
      X0 = +_[0][0], X1 = +_[1][0];
      Y0 = +_[0][1], Y1 = +_[1][1];
      if (X0 > X1) _ = X0, X0 = X1, X1 = _;
      if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
      return graticule.precision(precision);
    };
    graticule.minorExtent = function(_) {
      if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
      x0 = +_[0][0], x1 = +_[1][0];
      y0 = +_[0][1], y1 = +_[1][1];
      if (x0 > x1) _ = x0, x0 = x1, x1 = _;
      if (y0 > y1) _ = y0, y0 = y1, y1 = _;
      return graticule.precision(precision);
    };
    graticule.step = function(_) {
      if (!arguments.length) return graticule.minorStep();
      return graticule.majorStep(_).minorStep(_);
    };
    graticule.majorStep = function(_) {
      if (!arguments.length) return [ DX, DY ];
      DX = +_[0], DY = +_[1];
      return graticule;
    };
    graticule.minorStep = function(_) {
      if (!arguments.length) return [ dx, dy ];
      dx = +_[0], dy = +_[1];
      return graticule;
    };
    graticule.precision = function(_) {
      if (!arguments.length) return precision;
      precision = +_;
      x = d3_geo_graticuleX(y0, y1, 90);
      y = d3_geo_graticuleY(x0, x1, precision);
      X = d3_geo_graticuleX(Y0, Y1, 90);
      Y = d3_geo_graticuleY(X0, X1, precision);
      return graticule;
    };
    return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
  };
  function d3_geo_graticuleX(y0, y1, dy) {
    var y = d3.range(y0, y1 - ε, dy).concat(y1);
    return function(x) {
      return y.map(function(y) {
        return [ x, y ];
      });
    };
  }
  function d3_geo_graticuleY(x0, x1, dx) {
    var x = d3.range(x0, x1 - ε, dx).concat(x1);
    return function(y) {
      return x.map(function(x) {
        return [ x, y ];
      });
    };
  }
  function d3_source(d) {
    return d.source;
  }
  function d3_target(d) {
    return d.target;
  }
  d3.geo.greatArc = function() {
    var source = d3_source, source_, target = d3_target, target_;
    function greatArc() {
      return {
        type: "LineString",
        coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
      };
    }
    greatArc.distance = function() {
      return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
    };
    greatArc.source = function(_) {
      if (!arguments.length) return source;
      source = _, source_ = typeof _ === "function" ? null : _;
      return greatArc;
    };
    greatArc.target = function(_) {
      if (!arguments.length) return target;
      target = _, target_ = typeof _ === "function" ? null : _;
      return greatArc;
    };
    greatArc.precision = function() {
      return arguments.length ? greatArc : 0;
    };
    return greatArc;
  };
  d3.geo.interpolate = function(source, target) {
    return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
  };
  function d3_geo_interpolate(x0, y0, x1, y1) {
    var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
    var interpolate = d ? function(t) {
      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
      return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
    } : function() {
      return [ x0 * d3_degrees, y0 * d3_degrees ];
    };
    interpolate.distance = d;
    return interpolate;
  }
  d3.geo.length = function(object) {
    d3_geo_lengthSum = 0;
    d3.geo.stream(object, d3_geo_length);
    return d3_geo_lengthSum;
  };
  var d3_geo_lengthSum;
  var d3_geo_length = {
    sphere: d3_noop,
    point: d3_noop,
    lineStart: d3_geo_lengthLineStart,
    lineEnd: d3_noop,
    polygonStart: d3_noop,
    polygonEnd: d3_noop
  };
  function d3_geo_lengthLineStart() {
    var λ0, sinφ0, cosφ0;
    d3_geo_length.point = function(λ, φ) {
      λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
      d3_geo_length.point = nextPoint;
    };
    d3_geo_length.lineEnd = function() {
      d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
    };
    function nextPoint(λ, φ) {
      var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
      d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
      λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
    }
  }
  function d3_geo_azimuthal(scale, angle) {
    function azimuthal(λ, φ) {
      var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
      return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
    }
    azimuthal.invert = function(x, y) {
      var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
      return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
    };
    return azimuthal;
  }
  var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
    return Math.sqrt(2 / (1 + cosλcosφ));
  }, function(ρ) {
    return 2 * Math.asin(ρ / 2);
  });
  (d3.geo.azimuthalEqualArea = function() {
    return d3_geo_projection(d3_geo_azimuthalEqualArea);
  }).raw = d3_geo_azimuthalEqualArea;
  var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
    var c = Math.acos(cosλcosφ);
    return c && c / Math.sin(c);
  }, d3_identity);
  (d3.geo.azimuthalEquidistant = function() {
    return d3_geo_projection(d3_geo_azimuthalEquidistant);
  }).raw = d3_geo_azimuthalEquidistant;
  function d3_geo_conicConformal(φ0, φ1) {
    var cosφ0 = Math.cos(φ0), t = function(φ) {
      return Math.tan(π / 4 + φ / 2);
    }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
    if (!n) return d3_geo_mercator;
    function forward(λ, φ) {
      if (F > 0) {
        if (φ < -halfπ + ε) φ = -halfπ + ε;
      } else {
        if (φ > halfπ - ε) φ = halfπ - ε;
      }
      var ρ = F / Math.pow(t(φ), n);
      return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
    }
    forward.invert = function(x, y) {
      var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
      return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];
    };
    return forward;
  }
  (d3.geo.conicConformal = function() {
    return d3_geo_conic(d3_geo_conicConformal);
  }).raw = d3_geo_conicConformal;
  function d3_geo_conicEquidistant(φ0, φ1) {
    var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
    if (abs(n) < ε) return d3_geo_equirectangular;
    function forward(λ, φ) {
      var ρ = G - φ;
      return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
    }
    forward.invert = function(x, y) {
      var ρ0_y = G - y;
      return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
    };
    return forward;
  }
  (d3.geo.conicEquidistant = function() {
    return d3_geo_conic(d3_geo_conicEquidistant);
  }).raw = d3_geo_conicEquidistant;
  var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
    return 1 / cosλcosφ;
  }, Math.atan);
  (d3.geo.gnomonic = function() {
    return d3_geo_projection(d3_geo_gnomonic);
  }).raw = d3_geo_gnomonic;
  function d3_geo_mercator(λ, φ) {
    return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
  }
  d3_geo_mercator.invert = function(x, y) {
    return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];
  };
  function d3_geo_mercatorProjection(project) {
    var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
    m.scale = function() {
      var v = scale.apply(m, arguments);
      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
    };
    m.translate = function() {
      var v = translate.apply(m, arguments);
      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
    };
    m.clipExtent = function(_) {
      var v = clipExtent.apply(m, arguments);
      if (v === m) {
        if (clipAuto = _ == null) {
          var k = π * scale(), t = translate();
          clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
        }
      } else if (clipAuto) {
        v = null;
      }
      return v;
    };
    return m.clipExtent(null);
  }
  (d3.geo.mercator = function() {
    return d3_geo_mercatorProjection(d3_geo_mercator);
  }).raw = d3_geo_mercator;
  var d3_geo_orthographic = d3_geo_azimuthal(function() {
    return 1;
  }, Math.asin);
  (d3.geo.orthographic = function() {
    return d3_geo_projection(d3_geo_orthographic);
  }).raw = d3_geo_orthographic;
  var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
    return 1 / (1 + cosλcosφ);
  }, function(ρ) {
    return 2 * Math.atan(ρ);
  });
  (d3.geo.stereographic = function() {
    return d3_geo_projection(d3_geo_stereographic);
  }).raw = d3_geo_stereographic;
  function d3_geo_transverseMercator(λ, φ) {
    return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];
  }
  d3_geo_transverseMercator.invert = function(x, y) {
    return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];
  };
  (d3.geo.transverseMercator = function() {
    var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;
    projection.center = function(_) {
      return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);
    };
    projection.rotate = function(_) {
      return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), 
      [ _[0], _[1], _[2] - 90 ]);
    };
    return rotate([ 0, 0, 90 ]);
  }).raw = d3_geo_transverseMercator;
  d3.geom = {};
  function d3_geom_pointX(d) {
    return d[0];
  }
  function d3_geom_pointY(d) {
    return d[1];
  }
  d3.geom.hull = function(vertices) {
    var x = d3_geom_pointX, y = d3_geom_pointY;
    if (arguments.length) return hull(vertices);
    function hull(data) {
      if (data.length < 3) return [];
      var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];
      for (i = 0; i < n; i++) {
        points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);
      }
      points.sort(d3_geom_hullOrder);
      for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);
      var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);
      var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];
      for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);
      for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);
      return polygon;
    }
    hull.x = function(_) {
      return arguments.length ? (x = _, hull) : x;
    };
    hull.y = function(_) {
      return arguments.length ? (y = _, hull) : y;
    };
    return hull;
  };
  function d3_geom_hullUpper(points) {
    var n = points.length, hull = [ 0, 1 ], hs = 2;
    for (var i = 2; i < n; i++) {
      while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;
      hull[hs++] = i;
    }
    return hull.slice(0, hs);
  }
  function d3_geom_hullOrder(a, b) {
    return a[0] - b[0] || a[1] - b[1];
  }
  d3.geom.polygon = function(coordinates) {
    d3_subclass(coordinates, d3_geom_polygonPrototype);
    return coordinates;
  };
  var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];
  d3_geom_polygonPrototype.area = function() {
    var i = -1, n = this.length, a, b = this[n - 1], area = 0;
    while (++i < n) {
      a = b;
      b = this[i];
      area += a[1] * b[0] - a[0] * b[1];
    }
    return area * .5;
  };
  d3_geom_polygonPrototype.centroid = function(k) {
    var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;
    if (!arguments.length) k = -1 / (6 * this.area());
    while (++i < n) {
      a = b;
      b = this[i];
      c = a[0] * b[1] - b[0] * a[1];
      x += (a[0] + b[0]) * c;
      y += (a[1] + b[1]) * c;
    }
    return [ x * k, y * k ];
  };
  d3_geom_polygonPrototype.clip = function(subject) {
    var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;
    while (++i < n) {
      input = subject.slice();
      subject.length = 0;
      b = this[i];
      c = input[(m = input.length - closed) - 1];
      j = -1;
      while (++j < m) {
        d = input[j];
        if (d3_geom_polygonInside(d, a, b)) {
          if (!d3_geom_polygonInside(c, a, b)) {
            subject.push(d3_geom_polygonIntersect(c, d, a, b));
          }
          subject.push(d);
        } else if (d3_geom_polygonInside(c, a, b)) {
          subject.push(d3_geom_polygonIntersect(c, d, a, b));
        }
        c = d;
      }
      if (closed) subject.push(subject[0]);
      a = b;
    }
    return subject;
  };
  function d3_geom_polygonInside(p, a, b) {
    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
  }
  function d3_geom_polygonIntersect(c, d, a, b) {
    var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
    return [ x1 + ua * x21, y1 + ua * y21 ];
  }
  function d3_geom_polygonClosed(coordinates) {
    var a = coordinates[0], b = coordinates[coordinates.length - 1];
    return !(a[0] - b[0] || a[1] - b[1]);
  }
  var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];
  function d3_geom_voronoiBeach() {
    d3_geom_voronoiRedBlackNode(this);
    this.edge = this.site = this.circle = null;
  }
  function d3_geom_voronoiCreateBeach(site) {
    var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();
    beach.site = site;
    return beach;
  }
  function d3_geom_voronoiDetachBeach(beach) {
    d3_geom_voronoiDetachCircle(beach);
    d3_geom_voronoiBeaches.remove(beach);
    d3_geom_voronoiBeachPool.push(beach);
    d3_geom_voronoiRedBlackNode(beach);
  }
  function d3_geom_voronoiRemoveBeach(beach) {
    var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {
      x: x,
      y: y
    }, previous = beach.P, next = beach.N, disappearing = [ beach ];
    d3_geom_voronoiDetachBeach(beach);
    var lArc = previous;
    while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {
      previous = lArc.P;
      disappearing.unshift(lArc);
      d3_geom_voronoiDetachBeach(lArc);
      lArc = previous;
    }
    disappearing.unshift(lArc);
    d3_geom_voronoiDetachCircle(lArc);
    var rArc = next;
    while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {
      next = rArc.N;
      disappearing.push(rArc);
      d3_geom_voronoiDetachBeach(rArc);
      rArc = next;
    }
    disappearing.push(rArc);
    d3_geom_voronoiDetachCircle(rArc);
    var nArcs = disappearing.length, iArc;
    for (iArc = 1; iArc < nArcs; ++iArc) {
      rArc = disappearing[iArc];
      lArc = disappearing[iArc - 1];
      d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
    }
    lArc = disappearing[0];
    rArc = disappearing[nArcs - 1];
    rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);
    d3_geom_voronoiAttachCircle(lArc);
    d3_geom_voronoiAttachCircle(rArc);
  }
  function d3_geom_voronoiAddBeach(site) {
    var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;
    while (node) {
      dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;
      if (dxl > ε) node = node.L; else {
        dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);
        if (dxr > ε) {
          if (!node.R) {
            lArc = node;
            break;
          }
          node = node.R;
        } else {
          if (dxl > -ε) {
            lArc = node.P;
            rArc = node;
          } else if (dxr > -ε) {
            lArc = node;
            rArc = node.N;
          } else {
            lArc = rArc = node;
          }
          break;
        }
      }
    }
    var newArc = d3_geom_voronoiCreateBeach(site);
    d3_geom_voronoiBeaches.insert(lArc, newArc);
    if (!lArc && !rArc) return;
    if (lArc === rArc) {
      d3_geom_voronoiDetachCircle(lArc);
      rArc = d3_geom_voronoiCreateBeach(lArc.site);
      d3_geom_voronoiBeaches.insert(newArc, rArc);
      newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
      d3_geom_voronoiAttachCircle(lArc);
      d3_geom_voronoiAttachCircle(rArc);
      return;
    }
    if (!rArc) {
      newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
      return;
    }
    d3_geom_voronoiDetachCircle(lArc);
    d3_geom_voronoiDetachCircle(rArc);
    var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {
      x: (cy * hb - by * hc) / d + ax,
      y: (bx * hc - cx * hb) / d + ay
    };
    d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);
    newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);
    rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);
    d3_geom_voronoiAttachCircle(lArc);
    d3_geom_voronoiAttachCircle(rArc);
  }
  function d3_geom_voronoiLeftBreakPoint(arc, directrix) {
    var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;
    if (!pby2) return rfocx;
    var lArc = arc.P;
    if (!lArc) return -Infinity;
    site = lArc.site;
    var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;
    if (!plby2) return lfocx;
    var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;
    if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
    return (rfocx + lfocx) / 2;
  }
  function d3_geom_voronoiRightBreakPoint(arc, directrix) {
    var rArc = arc.N;
    if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);
    var site = arc.site;
    return site.y === directrix ? site.x : Infinity;
  }
  function d3_geom_voronoiCell(site) {
    this.site = site;
    this.edges = [];
  }
  d3_geom_voronoiCell.prototype.prepare = function() {
    var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;
    while (iHalfEdge--) {
      edge = halfEdges[iHalfEdge].edge;
      if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);
    }
    halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);
    return halfEdges.length;
  };
  function d3_geom_voronoiCloseCells(extent) {
    var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;
    while (iCell--) {
      cell = cells[iCell];
      if (!cell || !cell.prepare()) continue;
      halfEdges = cell.edges;
      nHalfEdges = halfEdges.length;
      iHalfEdge = 0;
      while (iHalfEdge < nHalfEdges) {
        end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;
        start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;
        if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {
          halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {
            x: x0,
            y: abs(x2 - x0) < ε ? y2 : y1
          } : abs(y3 - y1) < ε && x1 - x3 > ε ? {
            x: abs(y2 - y1) < ε ? x2 : x1,
            y: y1
          } : abs(x3 - x1) < ε && y3 - y0 > ε ? {
            x: x1,
            y: abs(x2 - x1) < ε ? y2 : y0
          } : abs(y3 - y0) < ε && x3 - x0 > ε ? {
            x: abs(y2 - y0) < ε ? x2 : x0,
            y: y0
          } : null), cell.site, null));
          ++nHalfEdges;
        }
      }
    }
  }
  function d3_geom_voronoiHalfEdgeOrder(a, b) {
    return b.angle - a.angle;
  }
  function d3_geom_voronoiCircle() {
    d3_geom_voronoiRedBlackNode(this);
    this.x = this.y = this.arc = this.site = this.cy = null;
  }
  function d3_geom_voronoiAttachCircle(arc) {
    var lArc = arc.P, rArc = arc.N;
    if (!lArc || !rArc) return;
    var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;
    if (lSite === rSite) return;
    var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;
    var d = 2 * (ax * cy - ay * cx);
    if (d >= -ε2) return;
    var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;
    var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();
    circle.arc = arc;
    circle.site = cSite;
    circle.x = x + bx;
    circle.y = cy + Math.sqrt(x * x + y * y);
    circle.cy = cy;
    arc.circle = circle;
    var before = null, node = d3_geom_voronoiCircles._;
    while (node) {
      if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {
        if (node.L) node = node.L; else {
          before = node.P;
          break;
        }
      } else {
        if (node.R) node = node.R; else {
          before = node;
          break;
        }
      }
    }
    d3_geom_voronoiCircles.insert(before, circle);
    if (!before) d3_geom_voronoiFirstCircle = circle;
  }
  function d3_geom_voronoiDetachCircle(arc) {
    var circle = arc.circle;
    if (circle) {
      if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;
      d3_geom_voronoiCircles.remove(circle);
      d3_geom_voronoiCirclePool.push(circle);
      d3_geom_voronoiRedBlackNode(circle);
      arc.circle = null;
    }
  }
  function d3_geom_voronoiClipEdges(extent) {
    var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;
    while (i--) {
      e = edges[i];
      if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {
        e.a = e.b = null;
        edges.splice(i, 1);
      }
    }
  }
  function d3_geom_voronoiConnectEdge(edge, extent) {
    var vb = edge.b;
    if (vb) return true;
    var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;
    if (ry === ly) {
      if (fx < x0 || fx >= x1) return;
      if (lx > rx) {
        if (!va) va = {
          x: fx,
          y: y0
        }; else if (va.y >= y1) return;
        vb = {
          x: fx,
          y: y1
        };
      } else {
        if (!va) va = {
          x: fx,
          y: y1
        }; else if (va.y < y0) return;
        vb = {
          x: fx,
          y: y0
        };
      }
    } else {
      fm = (lx - rx) / (ry - ly);
      fb = fy - fm * fx;
      if (fm < -1 || fm > 1) {
        if (lx > rx) {
          if (!va) va = {
            x: (y0 - fb) / fm,
            y: y0
          }; else if (va.y >= y1) return;
          vb = {
            x: (y1 - fb) / fm,
            y: y1
          };
        } else {
          if (!va) va = {
            x: (y1 - fb) / fm,
            y: y1
          }; else if (va.y < y0) return;
          vb = {
            x: (y0 - fb) / fm,
            y: y0
          };
        }
      } else {
        if (ly < ry) {
          if (!va) va = {
            x: x0,
            y: fm * x0 + fb
          }; else if (va.x >= x1) return;
          vb = {
            x: x1,
            y: fm * x1 + fb
          };
        } else {
          if (!va) va = {
            x: x1,
            y: fm * x1 + fb
          }; else if (va.x < x0) return;
          vb = {
            x: x0,
            y: fm * x0 + fb
          };
        }
      }
    }
    edge.a = va;
    edge.b = vb;
    return true;
  }
  function d3_geom_voronoiEdge(lSite, rSite) {
    this.l = lSite;
    this.r = rSite;
    this.a = this.b = null;
  }
  function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {
    var edge = new d3_geom_voronoiEdge(lSite, rSite);
    d3_geom_voronoiEdges.push(edge);
    if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);
    if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);
    d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));
    d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));
    return edge;
  }
  function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {
    var edge = new d3_geom_voronoiEdge(lSite, null);
    edge.a = va;
    edge.b = vb;
    d3_geom_voronoiEdges.push(edge);
    return edge;
  }
  function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {
    if (!edge.a && !edge.b) {
      edge.a = vertex;
      edge.l = lSite;
      edge.r = rSite;
    } else if (edge.l === rSite) {
      edge.b = vertex;
    } else {
      edge.a = vertex;
    }
  }
  function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {
    var va = edge.a, vb = edge.b;
    this.edge = edge;
    this.site = lSite;
    this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);
  }
  d3_geom_voronoiHalfEdge.prototype = {
    start: function() {
      return this.edge.l === this.site ? this.edge.a : this.edge.b;
    },
    end: function() {
      return this.edge.l === this.site ? this.edge.b : this.edge.a;
    }
  };
  function d3_geom_voronoiRedBlackTree() {
    this._ = null;
  }
  function d3_geom_voronoiRedBlackNode(node) {
    node.U = node.C = node.L = node.R = node.P = node.N = null;
  }
  d3_geom_voronoiRedBlackTree.prototype = {
    insert: function(after, node) {
      var parent, grandpa, uncle;
      if (after) {
        node.P = after;
        node.N = after.N;
        if (after.N) after.N.P = node;
        after.N = node;
        if (after.R) {
          after = after.R;
          while (after.L) after = after.L;
          after.L = node;
        } else {
          after.R = node;
        }
        parent = after;
      } else if (this._) {
        after = d3_geom_voronoiRedBlackFirst(this._);
        node.P = null;
        node.N = after;
        after.P = after.L = node;
        parent = after;
      } else {
        node.P = node.N = null;
        this._ = node;
        parent = null;
      }
      node.L = node.R = null;
      node.U = parent;
      node.C = true;
      after = node;
      while (parent && parent.C) {
        grandpa = parent.U;
        if (parent === grandpa.L) {
          uncle = grandpa.R;
          if (uncle && uncle.C) {
            parent.C = uncle.C = false;
            grandpa.C = true;
            after = grandpa;
          } else {
            if (after === parent.R) {
              d3_geom_voronoiRedBlackRotateLeft(this, parent);
              after = parent;
              parent = after.U;
            }
            parent.C = false;
            grandpa.C = true;
            d3_geom_voronoiRedBlackRotateRight(this, grandpa);
          }
        } else {
          uncle = grandpa.L;
          if (uncle && uncle.C) {
            parent.C = uncle.C = false;
            grandpa.C = true;
            after = grandpa;
          } else {
            if (after === parent.L) {
              d3_geom_voronoiRedBlackRotateRight(this, parent);
              after = parent;
              parent = after.U;
            }
            parent.C = false;
            grandpa.C = true;
            d3_geom_voronoiRedBlackRotateLeft(this, grandpa);
          }
        }
        parent = after.U;
      }
      this._.C = false;
    },
    remove: function(node) {
      if (node.N) node.N.P = node.P;
      if (node.P) node.P.N = node.N;
      node.N = node.P = null;
      var parent = node.U, sibling, left = node.L, right = node.R, next, red;
      if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);
      if (parent) {
        if (parent.L === node) parent.L = next; else parent.R = next;
      } else {
        this._ = next;
      }
      if (left && right) {
        red = next.C;
        next.C = node.C;
        next.L = left;
        left.U = next;
        if (next !== right) {
          parent = next.U;
          next.U = node.U;
          node = next.R;
          parent.L = node;
          next.R = right;
          right.U = next;
        } else {
          next.U = parent;
          parent = next;
          node = next.R;
        }
      } else {
        red = node.C;
        node = next;
      }
      if (node) node.U = parent;
      if (red) return;
      if (node && node.C) {
        node.C = false;
        return;
      }
      do {
        if (node === this._) break;
        if (node === parent.L) {
          sibling = parent.R;
          if (sibling.C) {
            sibling.C = false;
            parent.C = true;
            d3_geom_voronoiRedBlackRotateLeft(this, parent);
            sibling = parent.R;
          }
          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
            if (!sibling.R || !sibling.R.C) {
              sibling.L.C = false;
              sibling.C = true;
              d3_geom_voronoiRedBlackRotateRight(this, sibling);
              sibling = parent.R;
            }
            sibling.C = parent.C;
            parent.C = sibling.R.C = false;
            d3_geom_voronoiRedBlackRotateLeft(this, parent);
            node = this._;
            break;
          }
        } else {
          sibling = parent.L;
          if (sibling.C) {
            sibling.C = false;
            parent.C = true;
            d3_geom_voronoiRedBlackRotateRight(this, parent);
            sibling = parent.L;
          }
          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
            if (!sibling.L || !sibling.L.C) {
              sibling.R.C = false;
              sibling.C = true;
              d3_geom_voronoiRedBlackRotateLeft(this, sibling);
              sibling = parent.L;
            }
            sibling.C = parent.C;
            parent.C = sibling.L.C = false;
            d3_geom_voronoiRedBlackRotateRight(this, parent);
            node = this._;
            break;
          }
        }
        sibling.C = true;
        node = parent;
        parent = parent.U;
      } while (!node.C);
      if (node) node.C = false;
    }
  };
  function d3_geom_voronoiRedBlackRotateLeft(tree, node) {
    var p = node, q = node.R, parent = p.U;
    if (parent) {
      if (parent.L === p) parent.L = q; else parent.R = q;
    } else {
      tree._ = q;
    }
    q.U = parent;
    p.U = q;
    p.R = q.L;
    if (p.R) p.R.U = p;
    q.L = p;
  }
  function d3_geom_voronoiRedBlackRotateRight(tree, node) {
    var p = node, q = node.L, parent = p.U;
    if (parent) {
      if (parent.L === p) parent.L = q; else parent.R = q;
    } else {
      tree._ = q;
    }
    q.U = parent;
    p.U = q;
    p.L = q.R;
    if (p.L) p.L.U = p;
    q.R = p;
  }
  function d3_geom_voronoiRedBlackFirst(node) {
    while (node.L) node = node.L;
    return node;
  }
  function d3_geom_voronoi(sites, bbox) {
    var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;
    d3_geom_voronoiEdges = [];
    d3_geom_voronoiCells = new Array(sites.length);
    d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();
    d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();
    while (true) {
      circle = d3_geom_voronoiFirstCircle;
      if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {
        if (site.x !== x0 || site.y !== y0) {
          d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);
          d3_geom_voronoiAddBeach(site);
          x0 = site.x, y0 = site.y;
        }
        site = sites.pop();
      } else if (circle) {
        d3_geom_voronoiRemoveBeach(circle.arc);
      } else {
        break;
      }
    }
    if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);
    var diagram = {
      cells: d3_geom_voronoiCells,
      edges: d3_geom_voronoiEdges
    };
    d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;
    return diagram;
  }
  function d3_geom_voronoiVertexOrder(a, b) {
    return b.y - a.y || b.x - a.x;
  }
  d3.geom.voronoi = function(points) {
    var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;
    if (points) return voronoi(points);
    function voronoi(data) {
      var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];
      d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {
        var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {
          var s = e.start();
          return [ s.x, s.y ];
        }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];
        polygon.point = data[i];
      });
      return polygons;
    }
    function sites(data) {
      return data.map(function(d, i) {
        return {
          x: Math.round(fx(d, i) / ε) * ε,
          y: Math.round(fy(d, i) / ε) * ε,
          i: i
        };
      });
    }
    voronoi.links = function(data) {
      return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {
        return edge.l && edge.r;
      }).map(function(edge) {
        return {
          source: data[edge.l.i],
          target: data[edge.r.i]
        };
      });
    };
    voronoi.triangles = function(data) {
      var triangles = [];
      d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {
        var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;
        while (++j < m) {
          e0 = e1;
          s0 = s1;
          e1 = edges[j].edge;
          s1 = e1.l === site ? e1.r : e1.l;
          if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {
            triangles.push([ data[i], data[s0.i], data[s1.i] ]);
          }
        }
      });
      return triangles;
    };
    voronoi.x = function(_) {
      return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;
    };
    voronoi.y = function(_) {
      return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;
    };
    voronoi.clipExtent = function(_) {
      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;
      clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;
      return voronoi;
    };
    voronoi.size = function(_) {
      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];
      return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
    };
    return voronoi;
  };
  var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];
  function d3_geom_voronoiTriangleArea(a, b, c) {
    return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);
  }
  d3.geom.delaunay = function(vertices) {
    return d3.geom.voronoi().triangles(vertices);
  };
  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
    var x = d3_geom_pointX, y = d3_geom_pointY, compat;
    if (compat = arguments.length) {
      x = d3_geom_quadtreeCompatX;
      y = d3_geom_quadtreeCompatY;
      if (compat === 3) {
        y2 = y1;
        x2 = x1;
        y1 = x1 = 0;
      }
      return quadtree(points);
    }
    function quadtree(data) {
      var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
      if (x1 != null) {
        x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
      } else {
        x2_ = y2_ = -(x1_ = y1_ = Infinity);
        xs = [], ys = [];
        n = data.length;
        if (compat) for (i = 0; i < n; ++i) {
          d = data[i];
          if (d.x < x1_) x1_ = d.x;
          if (d.y < y1_) y1_ = d.y;
          if (d.x > x2_) x2_ = d.x;
          if (d.y > y2_) y2_ = d.y;
          xs.push(d.x);
          ys.push(d.y);
        } else for (i = 0; i < n; ++i) {
          var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
          if (x_ < x1_) x1_ = x_;
          if (y_ < y1_) y1_ = y_;
          if (x_ > x2_) x2_ = x_;
          if (y_ > y2_) y2_ = y_;
          xs.push(x_);
          ys.push(y_);
        }
      }
      var dx = x2_ - x1_, dy = y2_ - y1_;
      if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
      function insert(n, d, x, y, x1, y1, x2, y2) {
        if (isNaN(x) || isNaN(y)) return;
        if (n.leaf) {
          var nx = n.x, ny = n.y;
          if (nx != null) {
            if (abs(nx - x) + abs(ny - y) < .01) {
              insertChild(n, d, x, y, x1, y1, x2, y2);
            } else {
              var nPoint = n.point;
              n.x = n.y = n.point = null;
              insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
              insertChild(n, d, x, y, x1, y1, x2, y2);
            }
          } else {
            n.x = x, n.y = y, n.point = d;
          }
        } else {
          insertChild(n, d, x, y, x1, y1, x2, y2);
        }
      }
      function insertChild(n, d, x, y, x1, y1, x2, y2) {
        var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;
        n.leaf = false;
        n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
        if (right) x1 = xm; else x2 = xm;
        if (below) y1 = ym; else y2 = ym;
        insert(n, d, x, y, x1, y1, x2, y2);
      }
      var root = d3_geom_quadtreeNode();
      root.add = function(d) {
        insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
      };
      root.visit = function(f) {
        d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
      };
      root.find = function(point) {
        return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);
      };
      i = -1;
      if (x1 == null) {
        while (++i < n) {
          insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
        }
        --i;
      } else data.forEach(root.add);
      xs = ys = data = d = null;
      return root;
    }
    quadtree.x = function(_) {
      return arguments.length ? (x = _, quadtree) : x;
    };
    quadtree.y = function(_) {
      return arguments.length ? (y = _, quadtree) : y;
    };
    quadtree.extent = function(_) {
      if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];
      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], 
      y2 = +_[1][1];
      return quadtree;
    };
    quadtree.size = function(_) {
      if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];
      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];
      return quadtree;
    };
    return quadtree;
  };
  function d3_geom_quadtreeCompatX(d) {
    return d.x;
  }
  function d3_geom_quadtreeCompatY(d) {
    return d.y;
  }
  function d3_geom_quadtreeNode() {
    return {
      leaf: true,
      nodes: [],
      point: null,
      x: null,
      y: null
    };
  }
  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
    if (!f(node, x1, y1, x2, y2)) {
      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
    }
  }
  function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {
    var minDistance2 = Infinity, closestPoint;
    (function find(node, x1, y1, x2, y2) {
      if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;
      if (point = node.point) {
        var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy;
        if (distance2 < minDistance2) {
          var distance = Math.sqrt(minDistance2 = distance2);
          x0 = x - distance, y0 = y - distance;
          x3 = x + distance, y3 = y + distance;
          closestPoint = point;
        }
      }
      var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;
      for (var i = below << 1 | right, j = i + 4; i < j; ++i) {
        if (node = children[i & 3]) switch (i & 3) {
         case 0:
          find(node, x1, y1, xm, ym);
          break;

         case 1:
          find(node, xm, y1, x2, ym);
          break;

         case 2:
          find(node, x1, ym, xm, y2);
          break;

         case 3:
          find(node, xm, ym, x2, y2);
          break;
        }
      }
    })(root, x0, y0, x3, y3);
    return closestPoint;
  }
  d3.interpolateRgb = d3_interpolateRgb;
  function d3_interpolateRgb(a, b) {
    a = d3.rgb(a);
    b = d3.rgb(b);
    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
    return function(t) {
      return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
    };
  }
  d3.interpolateObject = d3_interpolateObject;
  function d3_interpolateObject(a, b) {
    var i = {}, c = {}, k;
    for (k in a) {
      if (k in b) {
        i[k] = d3_interpolate(a[k], b[k]);
      } else {
        c[k] = a[k];
      }
    }
    for (k in b) {
      if (!(k in a)) {
        c[k] = b[k];
      }
    }
    return function(t) {
      for (k in i) c[k] = i[k](t);
      return c;
    };
  }
  d3.interpolateNumber = d3_interpolateNumber;
  function d3_interpolateNumber(a, b) {
    a = +a, b = +b;
    return function(t) {
      return a * (1 - t) + b * t;
    };
  }
  d3.interpolateString = d3_interpolateString;
  function d3_interpolateString(a, b) {
    var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];
    a = a + "", b = b + "";
    while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {
      if ((bs = bm.index) > bi) {
        bs = b.slice(bi, bs);
        if (s[i]) s[i] += bs; else s[++i] = bs;
      }
      if ((am = am[0]) === (bm = bm[0])) {
        if (s[i]) s[i] += bm; else s[++i] = bm;
      } else {
        s[++i] = null;
        q.push({
          i: i,
          x: d3_interpolateNumber(am, bm)
        });
      }
      bi = d3_interpolate_numberB.lastIndex;
    }
    if (bi < b.length) {
      bs = b.slice(bi);
      if (s[i]) s[i] += bs; else s[++i] = bs;
    }
    return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {
      return b(t) + "";
    }) : function() {
      return b;
    } : (b = q.length, function(t) {
      for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
      return s.join("");
    });
  }
  var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g");
  d3.interpolate = d3_interpolate;
  function d3_interpolate(a, b) {
    var i = d3.interpolators.length, f;
    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
    return f;
  }
  d3.interpolators = [ function(a, b) {
    var t = typeof b;
    return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);
  } ];
  d3.interpolateArray = d3_interpolateArray;
  function d3_interpolateArray(a, b) {
    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
    for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
    for (;i < na; ++i) c[i] = a[i];
    for (;i < nb; ++i) c[i] = b[i];
    return function(t) {
      for (i = 0; i < n0; ++i) c[i] = x[i](t);
      return c;
    };
  }
  var d3_ease_default = function() {
    return d3_identity;
  };
  var d3_ease = d3.map({
    linear: d3_ease_default,
    poly: d3_ease_poly,
    quad: function() {
      return d3_ease_quad;
    },
    cubic: function() {
      return d3_ease_cubic;
    },
    sin: function() {
      return d3_ease_sin;
    },
    exp: function() {
      return d3_ease_exp;
    },
    circle: function() {
      return d3_ease_circle;
    },
    elastic: d3_ease_elastic,
    back: d3_ease_back,
    bounce: function() {
      return d3_ease_bounce;
    }
  });
  var d3_ease_mode = d3.map({
    "in": d3_identity,
    out: d3_ease_reverse,
    "in-out": d3_ease_reflect,
    "out-in": function(f) {
      return d3_ease_reflect(d3_ease_reverse(f));
    }
  });
  d3.ease = function(name) {
    var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in";
    t = d3_ease.get(t) || d3_ease_default;
    m = d3_ease_mode.get(m) || d3_identity;
    return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));
  };
  function d3_ease_clamp(f) {
    return function(t) {
      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
    };
  }
  function d3_ease_reverse(f) {
    return function(t) {
      return 1 - f(1 - t);
    };
  }
  function d3_ease_reflect(f) {
    return function(t) {
      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
    };
  }
  function d3_ease_quad(t) {
    return t * t;
  }
  function d3_ease_cubic(t) {
    return t * t * t;
  }
  function d3_ease_cubicInOut(t) {
    if (t <= 0) return 0;
    if (t >= 1) return 1;
    var t2 = t * t, t3 = t2 * t;
    return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
  }
  function d3_ease_poly(e) {
    return function(t) {
      return Math.pow(t, e);
    };
  }
  function d3_ease_sin(t) {
    return 1 - Math.cos(t * halfπ);
  }
  function d3_ease_exp(t) {
    return Math.pow(2, 10 * (t - 1));
  }
  function d3_ease_circle(t) {
    return 1 - Math.sqrt(1 - t * t);
  }
  function d3_ease_elastic(a, p) {
    var s;
    if (arguments.length < 2) p = .45;
    if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;
    return function(t) {
      return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);
    };
  }
  function d3_ease_back(s) {
    if (!s) s = 1.70158;
    return function(t) {
      return t * t * ((s + 1) * t - s);
    };
  }
  function d3_ease_bounce(t) {
    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
  }
  d3.interpolateHcl = d3_interpolateHcl;
  function d3_interpolateHcl(a, b) {
    a = d3.hcl(a);
    b = d3.hcl(b);
    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
    if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;
    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
    return function(t) {
      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
    };
  }
  d3.interpolateHsl = d3_interpolateHsl;
  function d3_interpolateHsl(a, b) {
    a = d3.hsl(a);
    b = d3.hsl(b);
    var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;
    if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;
    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
    return function(t) {
      return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";
    };
  }
  d3.interpolateLab = d3_interpolateLab;
  function d3_interpolateLab(a, b) {
    a = d3.lab(a);
    b = d3.lab(b);
    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
    return function(t) {
      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
    };
  }
  d3.interpolateRound = d3_interpolateRound;
  function d3_interpolateRound(a, b) {
    b -= a;
    return function(t) {
      return Math.round(a + b * t);
    };
  }
  d3.transform = function(string) {
    var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
    return (d3.transform = function(string) {
      if (string != null) {
        g.setAttribute("transform", string);
        var t = g.transform.baseVal.consolidate();
      }
      return new d3_transform(t ? t.matrix : d3_transformIdentity);
    })(string);
  };
  function d3_transform(m) {
    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
    if (r0[0] * r1[1] < r1[0] * r0[1]) {
      r0[0] *= -1;
      r0[1] *= -1;
      kx *= -1;
      kz *= -1;
    }
    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
    this.translate = [ m.e, m.f ];
    this.scale = [ kx, ky ];
    this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
  }
  d3_transform.prototype.toString = function() {
    return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
  };
  function d3_transformDot(a, b) {
    return a[0] * b[0] + a[1] * b[1];
  }
  function d3_transformNormalize(a) {
    var k = Math.sqrt(d3_transformDot(a, a));
    if (k) {
      a[0] /= k;
      a[1] /= k;
    }
    return k;
  }
  function d3_transformCombine(a, b, k) {
    a[0] += k * b[0];
    a[1] += k * b[1];
    return a;
  }
  var d3_transformIdentity = {
    a: 1,
    b: 0,
    c: 0,
    d: 1,
    e: 0,
    f: 0
  };
  d3.interpolateTransform = d3_interpolateTransform;
  function d3_interpolateTransformPop(s) {
    return s.length ? s.pop() + "," : "";
  }
  function d3_interpolateTranslate(ta, tb, s, q) {
    if (ta[0] !== tb[0] || ta[1] !== tb[1]) {
      var i = s.push("translate(", null, ",", null, ")");
      q.push({
        i: i - 4,
        x: d3_interpolateNumber(ta[0], tb[0])
      }, {
        i: i - 2,
        x: d3_interpolateNumber(ta[1], tb[1])
      });
    } else if (tb[0] || tb[1]) {
      s.push("translate(" + tb + ")");
    }
  }
  function d3_interpolateRotate(ra, rb, s, q) {
    if (ra !== rb) {
      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
      q.push({
        i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2,
        x: d3_interpolateNumber(ra, rb)
      });
    } else if (rb) {
      s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")");
    }
  }
  function d3_interpolateSkew(wa, wb, s, q) {
    if (wa !== wb) {
      q.push({
        i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2,
        x: d3_interpolateNumber(wa, wb)
      });
    } else if (wb) {
      s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")");
    }
  }
  function d3_interpolateScale(ka, kb, s, q) {
    if (ka[0] !== kb[0] || ka[1] !== kb[1]) {
      var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")");
      q.push({
        i: i - 4,
        x: d3_interpolateNumber(ka[0], kb[0])
      }, {
        i: i - 2,
        x: d3_interpolateNumber(ka[1], kb[1])
      });
    } else if (kb[0] !== 1 || kb[1] !== 1) {
      s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")");
    }
  }
  function d3_interpolateTransform(a, b) {
    var s = [], q = [];
    a = d3.transform(a), b = d3.transform(b);
    d3_interpolateTranslate(a.translate, b.translate, s, q);
    d3_interpolateRotate(a.rotate, b.rotate, s, q);
    d3_interpolateSkew(a.skew, b.skew, s, q);
    d3_interpolateScale(a.scale, b.scale, s, q);
    a = b = null;
    return function(t) {
      var i = -1, n = q.length, o;
      while (++i < n) s[(o = q[i]).i] = o.x(t);
      return s.join("");
    };
  }
  function d3_uninterpolateNumber(a, b) {
    b = (b -= a = +a) || 1 / b;
    return function(x) {
      return (x - a) / b;
    };
  }
  function d3_uninterpolateClamp(a, b) {
    b = (b -= a = +a) || 1 / b;
    return function(x) {
      return Math.max(0, Math.min(1, (x - a) / b));
    };
  }
  d3.layout = {};
  d3.layout.bundle = function() {
    return function(links) {
      var paths = [], i = -1, n = links.length;
      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
      return paths;
    };
  };
  function d3_layout_bundlePath(link) {
    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
    while (start !== lca) {
      start = start.parent;
      points.push(start);
    }
    var k = points.length;
    while (end !== lca) {
      points.splice(k, 0, end);
      end = end.parent;
    }
    return points;
  }
  function d3_layout_bundleAncestors(node) {
    var ancestors = [], parent = node.parent;
    while (parent != null) {
      ancestors.push(node);
      node = parent;
      parent = parent.parent;
    }
    ancestors.push(node);
    return ancestors;
  }
  function d3_layout_bundleLeastCommonAncestor(a, b) {
    if (a === b) return a;
    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
    while (aNode === bNode) {
      sharedNode = aNode;
      aNode = aNodes.pop();
      bNode = bNodes.pop();
    }
    return sharedNode;
  }
  d3.layout.chord = function() {
    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
    function relayout() {
      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
      chords = [];
      groups = [];
      k = 0, i = -1;
      while (++i < n) {
        x = 0, j = -1;
        while (++j < n) {
          x += matrix[i][j];
        }
        groupSums.push(x);
        subgroupIndex.push(d3.range(n));
        k += x;
      }
      if (sortGroups) {
        groupIndex.sort(function(a, b) {
          return sortGroups(groupSums[a], groupSums[b]);
        });
      }
      if (sortSubgroups) {
        subgroupIndex.forEach(function(d, i) {
          d.sort(function(a, b) {
            return sortSubgroups(matrix[i][a], matrix[i][b]);
          });
        });
      }
      k = (τ - padding * n) / k;
      x = 0, i = -1;
      while (++i < n) {
        x0 = x, j = -1;
        while (++j < n) {
          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
          subgroups[di + "-" + dj] = {
            index: di,
            subindex: dj,
            startAngle: a0,
            endAngle: a1,
            value: v
          };
        }
        groups[di] = {
          index: di,
          startAngle: x0,
          endAngle: x,
          value: groupSums[di]
        };
        x += padding;
      }
      i = -1;
      while (++i < n) {
        j = i - 1;
        while (++j < n) {
          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
          if (source.value || target.value) {
            chords.push(source.value < target.value ? {
              source: target,
              target: source
            } : {
              source: source,
              target: target
            });
          }
        }
      }
      if (sortChords) resort();
    }
    function resort() {
      chords.sort(function(a, b) {
        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
      });
    }
    chord.matrix = function(x) {
      if (!arguments.length) return matrix;
      n = (matrix = x) && matrix.length;
      chords = groups = null;
      return chord;
    };
    chord.padding = function(x) {
      if (!arguments.length) return padding;
      padding = x;
      chords = groups = null;
      return chord;
    };
    chord.sortGroups = function(x) {
      if (!arguments.length) return sortGroups;
      sortGroups = x;
      chords = groups = null;
      return chord;
    };
    chord.sortSubgroups = function(x) {
      if (!arguments.length) return sortSubgroups;
      sortSubgroups = x;
      chords = null;
      return chord;
    };
    chord.sortChords = function(x) {
      if (!arguments.length) return sortChords;
      sortChords = x;
      if (chords) resort();
      return chord;
    };
    chord.chords = function() {
      if (!chords) relayout();
      return chords;
    };
    chord.groups = function() {
      if (!groups) relayout();
      return groups;
    };
    return chord;
  };
  d3.layout.force = function() {
    var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;
    function repulse(node) {
      return function(quad, x1, _, x2) {
        if (quad.point !== node) {
          var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;
          if (dw * dw / theta2 < dn) {
            if (dn < chargeDistance2) {
              var k = quad.charge / dn;
              node.px -= dx * k;
              node.py -= dy * k;
            }
            return true;
          }
          if (quad.point && dn && dn < chargeDistance2) {
            var k = quad.pointCharge / dn;
            node.px -= dx * k;
            node.py -= dy * k;
          }
        }
        return !quad.charge;
      };
    }
    force.tick = function() {
      if ((alpha *= .99) < .005) {
        timer = null;
        event.end({
          type: "end",
          alpha: alpha = 0
        });
        return true;
      }
      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
      for (i = 0; i < m; ++i) {
        o = links[i];
        s = o.source;
        t = o.target;
        x = t.x - s.x;
        y = t.y - s.y;
        if (l = x * x + y * y) {
          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
          x *= l;
          y *= l;
          t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5);
          t.y -= y * k;
          s.x += x * (k = 1 - k);
          s.y += y * k;
        }
      }
      if (k = alpha * gravity) {
        x = size[0] / 2;
        y = size[1] / 2;
        i = -1;
        if (k) while (++i < n) {
          o = nodes[i];
          o.x += (x - o.x) * k;
          o.y += (y - o.y) * k;
        }
      }
      if (charge) {
        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
        i = -1;
        while (++i < n) {
          if (!(o = nodes[i]).fixed) {
            q.visit(repulse(o));
          }
        }
      }
      i = -1;
      while (++i < n) {
        o = nodes[i];
        if (o.fixed) {
          o.x = o.px;
          o.y = o.py;
        } else {
          o.x -= (o.px - (o.px = o.x)) * friction;
          o.y -= (o.py - (o.py = o.y)) * friction;
        }
      }
      event.tick({
        type: "tick",
        alpha: alpha
      });
    };
    force.nodes = function(x) {
      if (!arguments.length) return nodes;
      nodes = x;
      return force;
    };
    force.links = function(x) {
      if (!arguments.length) return links;
      links = x;
      return force;
    };
    force.size = function(x) {
      if (!arguments.length) return size;
      size = x;
      return force;
    };
    force.linkDistance = function(x) {
      if (!arguments.length) return linkDistance;
      linkDistance = typeof x === "function" ? x : +x;
      return force;
    };
    force.distance = force.linkDistance;
    force.linkStrength = function(x) {
      if (!arguments.length) return linkStrength;
      linkStrength = typeof x === "function" ? x : +x;
      return force;
    };
    force.friction = function(x) {
      if (!arguments.length) return friction;
      friction = +x;
      return force;
    };
    force.charge = function(x) {
      if (!arguments.length) return charge;
      charge = typeof x === "function" ? x : +x;
      return force;
    };
    force.chargeDistance = function(x) {
      if (!arguments.length) return Math.sqrt(chargeDistance2);
      chargeDistance2 = x * x;
      return force;
    };
    force.gravity = function(x) {
      if (!arguments.length) return gravity;
      gravity = +x;
      return force;
    };
    force.theta = function(x) {
      if (!arguments.length) return Math.sqrt(theta2);
      theta2 = x * x;
      return force;
    };
    force.alpha = function(x) {
      if (!arguments.length) return alpha;
      x = +x;
      if (alpha) {
        if (x > 0) {
          alpha = x;
        } else {
          timer.c = null, timer.t = NaN, timer = null;
          event.end({
            type: "end",
            alpha: alpha = 0
          });
        }
      } else if (x > 0) {
        event.start({
          type: "start",
          alpha: alpha = x
        });
        timer = d3_timer(force.tick);
      }
      return force;
    };
    force.start = function() {
      var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
      for (i = 0; i < n; ++i) {
        (o = nodes[i]).index = i;
        o.weight = 0;
      }
      for (i = 0; i < m; ++i) {
        o = links[i];
        if (typeof o.source == "number") o.source = nodes[o.source];
        if (typeof o.target == "number") o.target = nodes[o.target];
        ++o.source.weight;
        ++o.target.weight;
      }
      for (i = 0; i < n; ++i) {
        o = nodes[i];
        if (isNaN(o.x)) o.x = position("x", w);
        if (isNaN(o.y)) o.y = position("y", h);
        if (isNaN(o.px)) o.px = o.x;
        if (isNaN(o.py)) o.py = o.y;
      }
      distances = [];
      if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
      strengths = [];
      if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
      charges = [];
      if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
      function position(dimension, size) {
        if (!neighbors) {
          neighbors = new Array(n);
          for (j = 0; j < n; ++j) {
            neighbors[j] = [];
          }
          for (j = 0; j < m; ++j) {
            var o = links[j];
            neighbors[o.source.index].push(o.target);
            neighbors[o.target.index].push(o.source);
          }
        }
        var candidates = neighbors[i], j = -1, l = candidates.length, x;
        while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x;
        return Math.random() * size;
      }
      return force.resume();
    };
    force.resume = function() {
      return force.alpha(.1);
    };
    force.stop = function() {
      return force.alpha(0);
    };
    force.drag = function() {
      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
      if (!arguments.length) return drag;
      this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
    };
    function dragmove(d) {
      d.px = d3.event.x, d.py = d3.event.y;
      force.resume();
    }
    return d3.rebind(force, event, "on");
  };
  function d3_layout_forceDragstart(d) {
    d.fixed |= 2;
  }
  function d3_layout_forceDragend(d) {
    d.fixed &= ~6;
  }
  function d3_layout_forceMouseover(d) {
    d.fixed |= 4;
    d.px = d.x, d.py = d.y;
  }
  function d3_layout_forceMouseout(d) {
    d.fixed &= ~4;
  }
  function d3_layout_forceAccumulate(quad, alpha, charges) {
    var cx = 0, cy = 0;
    quad.charge = 0;
    if (!quad.leaf) {
      var nodes = quad.nodes, n = nodes.length, i = -1, c;
      while (++i < n) {
        c = nodes[i];
        if (c == null) continue;
        d3_layout_forceAccumulate(c, alpha, charges);
        quad.charge += c.charge;
        cx += c.charge * c.cx;
        cy += c.charge * c.cy;
      }
    }
    if (quad.point) {
      if (!quad.leaf) {
        quad.point.x += Math.random() - .5;
        quad.point.y += Math.random() - .5;
      }
      var k = alpha * charges[quad.point.index];
      quad.charge += quad.pointCharge = k;
      cx += k * quad.point.x;
      cy += k * quad.point.y;
    }
    quad.cx = cx / quad.charge;
    quad.cy = cy / quad.charge;
  }
  var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;
  d3.layout.hierarchy = function() {
    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
    function hierarchy(root) {
      var stack = [ root ], nodes = [], node;
      root.depth = 0;
      while ((node = stack.pop()) != null) {
        nodes.push(node);
        if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {
          var n, childs, child;
          while (--n >= 0) {
            stack.push(child = childs[n]);
            child.parent = node;
            child.depth = node.depth + 1;
          }
          if (value) node.value = 0;
          node.children = childs;
        } else {
          if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;
          delete node.children;
        }
      }
      d3_layout_hierarchyVisitAfter(root, function(node) {
        var childs, parent;
        if (sort && (childs = node.children)) childs.sort(sort);
        if (value && (parent = node.parent)) parent.value += node.value;
      });
      return nodes;
    }
    hierarchy.sort = function(x) {
      if (!arguments.length) return sort;
      sort = x;
      return hierarchy;
    };
    hierarchy.children = function(x) {
      if (!arguments.length) return children;
      children = x;
      return hierarchy;
    };
    hierarchy.value = function(x) {
      if (!arguments.length) return value;
      value = x;
      return hierarchy;
    };
    hierarchy.revalue = function(root) {
      if (value) {
        d3_layout_hierarchyVisitBefore(root, function(node) {
          if (node.children) node.value = 0;
        });
        d3_layout_hierarchyVisitAfter(root, function(node) {
          var parent;
          if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;
          if (parent = node.parent) parent.value += node.value;
        });
      }
      return root;
    };
    return hierarchy;
  };
  function d3_layout_hierarchyRebind(object, hierarchy) {
    d3.rebind(object, hierarchy, "sort", "children", "value");
    object.nodes = object;
    object.links = d3_layout_hierarchyLinks;
    return object;
  }
  function d3_layout_hierarchyVisitBefore(node, callback) {
    var nodes = [ node ];
    while ((node = nodes.pop()) != null) {
      callback(node);
      if ((children = node.children) && (n = children.length)) {
        var n, children;
        while (--n >= 0) nodes.push(children[n]);
      }
    }
  }
  function d3_layout_hierarchyVisitAfter(node, callback) {
    var nodes = [ node ], nodes2 = [];
    while ((node = nodes.pop()) != null) {
      nodes2.push(node);
      if ((children = node.children) && (n = children.length)) {
        var i = -1, n, children;
        while (++i < n) nodes.push(children[i]);
      }
    }
    while ((node = nodes2.pop()) != null) {
      callback(node);
    }
  }
  function d3_layout_hierarchyChildren(d) {
    return d.children;
  }
  function d3_layout_hierarchyValue(d) {
    return d.value;
  }
  function d3_layout_hierarchySort(a, b) {
    return b.value - a.value;
  }
  function d3_layout_hierarchyLinks(nodes) {
    return d3.merge(nodes.map(function(parent) {
      return (parent.children || []).map(function(child) {
        return {
          source: parent,
          target: child
        };
      });
    }));
  }
  d3.layout.partition = function() {
    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
    function position(node, x, dx, dy) {
      var children = node.children;
      node.x = x;
      node.y = node.depth * dy;
      node.dx = dx;
      node.dy = dy;
      if (children && (n = children.length)) {
        var i = -1, n, c, d;
        dx = node.value ? dx / node.value : 0;
        while (++i < n) {
          position(c = children[i], x, d = c.value * dx, dy);
          x += d;
        }
      }
    }
    function depth(node) {
      var children = node.children, d = 0;
      if (children && (n = children.length)) {
        var i = -1, n;
        while (++i < n) d = Math.max(d, depth(children[i]));
      }
      return 1 + d;
    }
    function partition(d, i) {
      var nodes = hierarchy.call(this, d, i);
      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
      return nodes;
    }
    partition.size = function(x) {
      if (!arguments.length) return size;
      size = x;
      return partition;
    };
    return d3_layout_hierarchyRebind(partition, hierarchy);
  };
  d3.layout.pie = function() {
    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;
    function pie(data) {
      var n = data.length, values = data.map(function(d, i) {
        return +value.call(pie, d, i);
      }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v;
      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
        return values[j] - values[i];
      } : function(i, j) {
        return sort(data[i], data[j]);
      });
      index.forEach(function(i) {
        arcs[i] = {
          data: data[i],
          value: v = values[i],
          startAngle: a,
          endAngle: a += v * k + pa,
          padAngle: p
        };
      });
      return arcs;
    }
    pie.value = function(_) {
      if (!arguments.length) return value;
      value = _;
      return pie;
    };
    pie.sort = function(_) {
      if (!arguments.length) return sort;
      sort = _;
      return pie;
    };
    pie.startAngle = function(_) {
      if (!arguments.length) return startAngle;
      startAngle = _;
      return pie;
    };
    pie.endAngle = function(_) {
      if (!arguments.length) return endAngle;
      endAngle = _;
      return pie;
    };
    pie.padAngle = function(_) {
      if (!arguments.length) return padAngle;
      padAngle = _;
      return pie;
    };
    return pie;
  };
  var d3_layout_pieSortByValue = {};
  d3.layout.stack = function() {
    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
    function stack(data, index) {
      if (!(n = data.length)) return data;
      var series = data.map(function(d, i) {
        return values.call(stack, d, i);
      });
      var points = series.map(function(d) {
        return d.map(function(v, i) {
          return [ x.call(stack, v, i), y.call(stack, v, i) ];
        });
      });
      var orders = order.call(stack, points, index);
      series = d3.permute(series, orders);
      points = d3.permute(points, orders);
      var offsets = offset.call(stack, points, index);
      var m = series[0].length, n, i, j, o;
      for (j = 0; j < m; ++j) {
        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
        for (i = 1; i < n; ++i) {
          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
        }
      }
      return data;
    }
    stack.values = function(x) {
      if (!arguments.length) return values;
      values = x;
      return stack;
    };
    stack.order = function(x) {
      if (!arguments.length) return order;
      order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
      return stack;
    };
    stack.offset = function(x) {
      if (!arguments.length) return offset;
      offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
      return stack;
    };
    stack.x = function(z) {
      if (!arguments.length) return x;
      x = z;
      return stack;
    };
    stack.y = function(z) {
      if (!arguments.length) return y;
      y = z;
      return stack;
    };
    stack.out = function(z) {
      if (!arguments.length) return out;
      out = z;
      return stack;
    };
    return stack;
  };
  function d3_layout_stackX(d) {
    return d.x;
  }
  function d3_layout_stackY(d) {
    return d.y;
  }
  function d3_layout_stackOut(d, y0, y) {
    d.y0 = y0;
    d.y = y;
  }
  var d3_layout_stackOrders = d3.map({
    "inside-out": function(data) {
      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
        return max[a] - max[b];
      }), top = 0, bottom = 0, tops = [], bottoms = [];
      for (i = 0; i < n; ++i) {
        j = index[i];
        if (top < bottom) {
          top += sums[j];
          tops.push(j);
        } else {
          bottom += sums[j];
          bottoms.push(j);
        }
      }
      return bottoms.reverse().concat(tops);
    },
    reverse: function(data) {
      return d3.range(data.length).reverse();
    },
    "default": d3_layout_stackOrderDefault
  });
  var d3_layout_stackOffsets = d3.map({
    silhouette: function(data) {
      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
      for (j = 0; j < m; ++j) {
        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
        if (o > max) max = o;
        sums.push(o);
      }
      for (j = 0; j < m; ++j) {
        y0[j] = (max - sums[j]) / 2;
      }
      return y0;
    },
    wiggle: function(data) {
      var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
      y0[0] = o = o0 = 0;
      for (j = 1; j < m; ++j) {
        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
          }
          s2 += s3 * data[i][j][1];
        }
        y0[j] = o -= s1 ? s2 / s1 * dx : 0;
        if (o < o0) o0 = o;
      }
      for (j = 0; j < m; ++j) y0[j] -= o0;
      return y0;
    },
    expand: function(data) {
      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
      for (j = 0; j < m; ++j) {
        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
      }
      for (j = 0; j < m; ++j) y0[j] = 0;
      return y0;
    },
    zero: d3_layout_stackOffsetZero
  });
  function d3_layout_stackOrderDefault(data) {
    return d3.range(data.length);
  }
  function d3_layout_stackOffsetZero(data) {
    var j = -1, m = data[0].length, y0 = [];
    while (++j < m) y0[j] = 0;
    return y0;
  }
  function d3_layout_stackMaxIndex(array) {
    var i = 1, j = 0, v = array[0][1], k, n = array.length;
    for (;i < n; ++i) {
      if ((k = array[i][1]) > v) {
        j = i;
        v = k;
      }
    }
    return j;
  }
  function d3_layout_stackReduceSum(d) {
    return d.reduce(d3_layout_stackSum, 0);
  }
  function d3_layout_stackSum(p, d) {
    return p + d[1];
  }
  d3.layout.histogram = function() {
    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
    function histogram(data, i) {
      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
      while (++i < m) {
        bin = bins[i] = [];
        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
        bin.y = 0;
      }
      if (m > 0) {
        i = -1;
        while (++i < n) {
          x = values[i];
          if (x >= range[0] && x <= range[1]) {
            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
            bin.y += k;
            bin.push(data[i]);
          }
        }
      }
      return bins;
    }
    histogram.value = function(x) {
      if (!arguments.length) return valuer;
      valuer = x;
      return histogram;
    };
    histogram.range = function(x) {
      if (!arguments.length) return ranger;
      ranger = d3_functor(x);
      return histogram;
    };
    histogram.bins = function(x) {
      if (!arguments.length) return binner;
      binner = typeof x === "number" ? function(range) {
        return d3_layout_histogramBinFixed(range, x);
      } : d3_functor(x);
      return histogram;
    };
    histogram.frequency = function(x) {
      if (!arguments.length) return frequency;
      frequency = !!x;
      return histogram;
    };
    return histogram;
  };
  function d3_layout_histogramBinSturges(range, values) {
    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
  }
  function d3_layout_histogramBinFixed(range, n) {
    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
    while (++x <= n) f[x] = m * x + b;
    return f;
  }
  function d3_layout_histogramRange(values) {
    return [ d3.min(values), d3.max(values) ];
  }
  d3.layout.pack = function() {
    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;
    function pack(d, i) {
      var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() {
        return radius;
      };
      root.x = root.y = 0;
      d3_layout_hierarchyVisitAfter(root, function(d) {
        d.r = +r(d.value);
      });
      d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
      if (padding) {
        var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;
        d3_layout_hierarchyVisitAfter(root, function(d) {
          d.r += dr;
        });
        d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
        d3_layout_hierarchyVisitAfter(root, function(d) {
          d.r -= dr;
        });
      }
      d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));
      return nodes;
    }
    pack.size = function(_) {
      if (!arguments.length) return size;
      size = _;
      return pack;
    };
    pack.radius = function(_) {
      if (!arguments.length) return radius;
      radius = _ == null || typeof _ === "function" ? _ : +_;
      return pack;
    };
    pack.padding = function(_) {
      if (!arguments.length) return padding;
      padding = +_;
      return pack;
    };
    return d3_layout_hierarchyRebind(pack, hierarchy);
  };
  function d3_layout_packSort(a, b) {
    return a.value - b.value;
  }
  function d3_layout_packInsert(a, b) {
    var c = a._pack_next;
    a._pack_next = b;
    b._pack_prev = a;
    b._pack_next = c;
    c._pack_prev = b;
  }
  function d3_layout_packSplice(a, b) {
    a._pack_next = b;
    b._pack_prev = a;
  }
  function d3_layout_packIntersects(a, b) {
    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
    return .999 * dr * dr > dx * dx + dy * dy;
  }
  function d3_layout_packSiblings(node) {
    if (!(nodes = node.children) || !(n = nodes.length)) return;
    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
    function bound(node) {
      xMin = Math.min(node.x - node.r, xMin);
      xMax = Math.max(node.x + node.r, xMax);
      yMin = Math.min(node.y - node.r, yMin);
      yMax = Math.max(node.y + node.r, yMax);
    }
    nodes.forEach(d3_layout_packLink);
    a = nodes[0];
    a.x = -a.r;
    a.y = 0;
    bound(a);
    if (n > 1) {
      b = nodes[1];
      b.x = b.r;
      b.y = 0;
      bound(b);
      if (n > 2) {
        c = nodes[2];
        d3_layout_packPlace(a, b, c);
        bound(c);
        d3_layout_packInsert(a, c);
        a._pack_prev = c;
        d3_layout_packInsert(c, b);
        b = a._pack_next;
        for (i = 3; i < n; i++) {
          d3_layout_packPlace(a, b, c = nodes[i]);
          var isect = 0, s1 = 1, s2 = 1;
          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
            if (d3_layout_packIntersects(j, c)) {
              isect = 1;
              break;
            }
          }
          if (isect == 1) {
            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
              if (d3_layout_packIntersects(k, c)) {
                break;
              }
            }
          }
          if (isect) {
            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
            i--;
          } else {
            d3_layout_packInsert(a, c);
            b = c;
            bound(c);
          }
        }
      }
    }
    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
    for (i = 0; i < n; i++) {
      c = nodes[i];
      c.x -= cx;
      c.y -= cy;
      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
    }
    node.r = cr;
    nodes.forEach(d3_layout_packUnlink);
  }
  function d3_layout_packLink(node) {
    node._pack_next = node._pack_prev = node;
  }
  function d3_layout_packUnlink(node) {
    delete node._pack_next;
    delete node._pack_prev;
  }
  function d3_layout_packTransform(node, x, y, k) {
    var children = node.children;
    node.x = x += k * node.x;
    node.y = y += k * node.y;
    node.r *= k;
    if (children) {
      var i = -1, n = children.length;
      while (++i < n) d3_layout_packTransform(children[i], x, y, k);
    }
  }
  function d3_layout_packPlace(a, b, c) {
    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
    if (db && (dx || dy)) {
      var da = b.r + c.r, dc = dx * dx + dy * dy;
      da *= da;
      db *= db;
      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
      c.x = a.x + x * dx + y * dy;
      c.y = a.y + x * dy - y * dx;
    } else {
      c.x = a.x + db;
      c.y = a.y;
    }
  }
  d3.layout.tree = function() {
    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;
    function tree(d, i) {
      var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);
      d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;
      d3_layout_hierarchyVisitBefore(root1, secondWalk);
      if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {
        var left = root0, right = root0, bottom = root0;
        d3_layout_hierarchyVisitBefore(root0, function(node) {
          if (node.x < left.x) left = node;
          if (node.x > right.x) right = node;
          if (node.depth > bottom.depth) bottom = node;
        });
        var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);
        d3_layout_hierarchyVisitBefore(root0, function(node) {
          node.x = (node.x + tx) * kx;
          node.y = node.depth * ky;
        });
      }
      return nodes;
    }
    function wrapTree(root0) {
      var root1 = {
        A: null,
        children: [ root0 ]
      }, queue = [ root1 ], node1;
      while ((node1 = queue.pop()) != null) {
        for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {
          queue.push((children[i] = child = {
            _: children[i],
            parent: node1,
            children: (child = children[i].children) && child.slice() || [],
            A: null,
            a: null,
            z: 0,
            m: 0,
            c: 0,
            s: 0,
            t: null,
            i: i
          }).a = child);
        }
      }
      return root1.children[0];
    }
    function firstWalk(v) {
      var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;
      if (children.length) {
        d3_layout_treeShift(v);
        var midpoint = (children[0].z + children[children.length - 1].z) / 2;
        if (w) {
          v.z = w.z + separation(v._, w._);
          v.m = v.z - midpoint;
        } else {
          v.z = midpoint;
        }
      } else if (w) {
        v.z = w.z + separation(v._, w._);
      }
      v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
    }
    function secondWalk(v) {
      v._.x = v.z + v.parent.m;
      v.m += v.parent.m;
    }
    function apportion(v, w, ancestor) {
      if (w) {
        var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift;
        while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
          vom = d3_layout_treeLeft(vom);
          vop = d3_layout_treeRight(vop);
          vop.a = v;
          shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
          if (shift > 0) {
            d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);
            sip += shift;
            sop += shift;
          }
          sim += vim.m;
          sip += vip.m;
          som += vom.m;
          sop += vop.m;
        }
        if (vim && !d3_layout_treeRight(vop)) {
          vop.t = vim;
          vop.m += sim - sop;
        }
        if (vip && !d3_layout_treeLeft(vom)) {
          vom.t = vip;
          vom.m += sip - som;
          ancestor = v;
        }
      }
      return ancestor;
    }
    function sizeNode(node) {
      node.x *= size[0];
      node.y = node.depth * size[1];
    }
    tree.separation = function(x) {
      if (!arguments.length) return separation;
      separation = x;
      return tree;
    };
    tree.size = function(x) {
      if (!arguments.length) return nodeSize ? null : size;
      nodeSize = (size = x) == null ? sizeNode : null;
      return tree;
    };
    tree.nodeSize = function(x) {
      if (!arguments.length) return nodeSize ? size : null;
      nodeSize = (size = x) == null ? null : sizeNode;
      return tree;
    };
    return d3_layout_hierarchyRebind(tree, hierarchy);
  };
  function d3_layout_treeSeparation(a, b) {
    return a.parent == b.parent ? 1 : 2;
  }
  function d3_layout_treeLeft(v) {
    var children = v.children;
    return children.length ? children[0] : v.t;
  }
  function d3_layout_treeRight(v) {
    var children = v.children, n;
    return (n = children.length) ? children[n - 1] : v.t;
  }
  function d3_layout_treeMove(wm, wp, shift) {
    var change = shift / (wp.i - wm.i);
    wp.c -= change;
    wp.s += shift;
    wm.c += change;
    wp.z += shift;
    wp.m += shift;
  }
  function d3_layout_treeShift(v) {
    var shift = 0, change = 0, children = v.children, i = children.length, w;
    while (--i >= 0) {
      w = children[i];
      w.z += shift;
      w.m += shift;
      shift += w.s + (change += w.c);
    }
  }
  function d3_layout_treeAncestor(vim, v, ancestor) {
    return vim.a.parent === v.parent ? vim.a : ancestor;
  }
  d3.layout.cluster = function() {
    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
    function cluster(d, i) {
      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
      d3_layout_hierarchyVisitAfter(root, function(node) {
        var children = node.children;
        if (children && children.length) {
          node.x = d3_layout_clusterX(children);
          node.y = d3_layout_clusterY(children);
        } else {
          node.x = previousNode ? x += separation(node, previousNode) : 0;
          node.y = 0;
          previousNode = node;
        }
      });
      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
      d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {
        node.x = (node.x - root.x) * size[0];
        node.y = (root.y - node.y) * size[1];
      } : function(node) {
        node.x = (node.x - x0) / (x1 - x0) * size[0];
        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
      });
      return nodes;
    }
    cluster.separation = function(x) {
      if (!arguments.length) return separation;
      separation = x;
      return cluster;
    };
    cluster.size = function(x) {
      if (!arguments.length) return nodeSize ? null : size;
      nodeSize = (size = x) == null;
      return cluster;
    };
    cluster.nodeSize = function(x) {
      if (!arguments.length) return nodeSize ? size : null;
      nodeSize = (size = x) != null;
      return cluster;
    };
    return d3_layout_hierarchyRebind(cluster, hierarchy);
  };
  function d3_layout_clusterY(children) {
    return 1 + d3.max(children, function(child) {
      return child.y;
    });
  }
  function d3_layout_clusterX(children) {
    return children.reduce(function(x, child) {
      return x + child.x;
    }, 0) / children.length;
  }
  function d3_layout_clusterLeft(node) {
    var children = node.children;
    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
  }
  function d3_layout_clusterRight(node) {
    var children = node.children, n;
    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
  }
  d3.layout.treemap = function() {
    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
    function scale(children, k) {
      var i = -1, n = children.length, child, area;
      while (++i < n) {
        area = (child = children[i]).value * (k < 0 ? 0 : k);
        child.area = isNaN(area) || area <= 0 ? 0 : area;
      }
    }
    function squarify(node) {
      var children = node.children;
      if (children && children.length) {
        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
        scale(remaining, rect.dx * rect.dy / node.value);
        row.area = 0;
        while ((n = remaining.length) > 0) {
          row.push(child = remaining[n - 1]);
          row.area += child.area;
          if (mode !== "squarify" || (score = worst(row, u)) <= best) {
            remaining.pop();
            best = score;
          } else {
            row.area -= row.pop().area;
            position(row, u, rect, false);
            u = Math.min(rect.dx, rect.dy);
            row.length = row.area = 0;
            best = Infinity;
          }
        }
        if (row.length) {
          position(row, u, rect, true);
          row.length = row.area = 0;
        }
        children.forEach(squarify);
      }
    }
    function stickify(node) {
      var children = node.children;
      if (children && children.length) {
        var rect = pad(node), remaining = children.slice(), child, row = [];
        scale(remaining, rect.dx * rect.dy / node.value);
        row.area = 0;
        while (child = remaining.pop()) {
          row.push(child);
          row.area += child.area;
          if (child.z != null) {
            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
            row.length = row.area = 0;
          }
        }
        children.forEach(stickify);
      }
    }
    function worst(row, u) {
      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
      while (++i < n) {
        if (!(r = row[i].area)) continue;
        if (r < rmin) rmin = r;
        if (r > rmax) rmax = r;
      }
      s *= s;
      u *= u;
      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
    }
    function position(row, u, rect, flush) {
      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
      if (u == rect.dx) {
        if (flush || v > rect.dy) v = rect.dy;
        while (++i < n) {
          o = row[i];
          o.x = x;
          o.y = y;
          o.dy = v;
          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
        }
        o.z = true;
        o.dx += rect.x + rect.dx - x;
        rect.y += v;
        rect.dy -= v;
      } else {
        if (flush || v > rect.dx) v = rect.dx;
        while (++i < n) {
          o = row[i];
          o.x = x;
          o.y = y;
          o.dx = v;
          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
        }
        o.z = false;
        o.dy += rect.y + rect.dy - y;
        rect.x += v;
        rect.dx -= v;
      }
    }
    function treemap(d) {
      var nodes = stickies || hierarchy(d), root = nodes[0];
      root.x = root.y = 0;
      if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0;
      if (stickies) hierarchy.revalue(root);
      scale([ root ], root.dx * root.dy / root.value);
      (stickies ? stickify : squarify)(root);
      if (sticky) stickies = nodes;
      return nodes;
    }
    treemap.size = function(x) {
      if (!arguments.length) return size;
      size = x;
      return treemap;
    };
    treemap.padding = function(x) {
      if (!arguments.length) return padding;
      function padFunction(node) {
        var p = x.call(treemap, node, node.depth);
        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
      }
      function padConstant(node) {
        return d3_layout_treemapPad(node, x);
      }
      var type;
      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 
      padConstant) : padConstant;
      return treemap;
    };
    treemap.round = function(x) {
      if (!arguments.length) return round != Number;
      round = x ? Math.round : Number;
      return treemap;
    };
    treemap.sticky = function(x) {
      if (!arguments.length) return sticky;
      sticky = x;
      stickies = null;
      return treemap;
    };
    treemap.ratio = function(x) {
      if (!arguments.length) return ratio;
      ratio = x;
      return treemap;
    };
    treemap.mode = function(x) {
      if (!arguments.length) return mode;
      mode = x + "";
      return treemap;
    };
    return d3_layout_hierarchyRebind(treemap, hierarchy);
  };
  function d3_layout_treemapPadNull(node) {
    return {
      x: node.x,
      y: node.y,
      dx: node.dx,
      dy: node.dy
    };
  }
  function d3_layout_treemapPad(node, padding) {
    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
    if (dx < 0) {
      x += dx / 2;
      dx = 0;
    }
    if (dy < 0) {
      y += dy / 2;
      dy = 0;
    }
    return {
      x: x,
      y: y,
      dx: dx,
      dy: dy
    };
  }
  d3.random = {
    normal: function(µ, σ) {
      var n = arguments.length;
      if (n < 2) σ = 1;
      if (n < 1) µ = 0;
      return function() {
        var x, y, r;
        do {
          x = Math.random() * 2 - 1;
          y = Math.random() * 2 - 1;
          r = x * x + y * y;
        } while (!r || r > 1);
        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
      };
    },
    logNormal: function() {
      var random = d3.random.normal.apply(d3, arguments);
      return function() {
        return Math.exp(random());
      };
    },
    bates: function(m) {
      var random = d3.random.irwinHall(m);
      return function() {
        return random() / m;
      };
    },
    irwinHall: function(m) {
      return function() {
        for (var s = 0, j = 0; j < m; j++) s += Math.random();
        return s;
      };
    }
  };
  d3.scale = {};
  function d3_scaleExtent(domain) {
    var start = domain[0], stop = domain[domain.length - 1];
    return start < stop ? [ start, stop ] : [ stop, start ];
  }
  function d3_scaleRange(scale) {
    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
  }
  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
    return function(x) {
      return i(u(x));
    };
  }
  function d3_scale_nice(domain, nice) {
    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
    if (x1 < x0) {
      dx = i0, i0 = i1, i1 = dx;
      dx = x0, x0 = x1, x1 = dx;
    }
    domain[i0] = nice.floor(x0);
    domain[i1] = nice.ceil(x1);
    return domain;
  }
  function d3_scale_niceStep(step) {
    return step ? {
      floor: function(x) {
        return Math.floor(x / step) * step;
      },
      ceil: function(x) {
        return Math.ceil(x / step) * step;
      }
    } : d3_scale_niceIdentity;
  }
  var d3_scale_niceIdentity = {
    floor: d3_identity,
    ceil: d3_identity
  };
  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
    if (domain[k] < domain[0]) {
      domain = domain.slice().reverse();
      range = range.slice().reverse();
    }
    while (++j <= k) {
      u.push(uninterpolate(domain[j - 1], domain[j]));
      i.push(interpolate(range[j - 1], range[j]));
    }
    return function(x) {
      var j = d3.bisect(domain, x, 1, k) - 1;
      return i[j](u[j](x));
    };
  }
  d3.scale.linear = function() {
    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
  };
  function d3_scale_linear(domain, range, interpolate, clamp) {
    var output, input;
    function rescale() {
      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
      output = linear(domain, range, uninterpolate, interpolate);
      input = linear(range, domain, uninterpolate, d3_interpolate);
      return scale;
    }
    function scale(x) {
      return output(x);
    }
    scale.invert = function(y) {
      return input(y);
    };
    scale.domain = function(x) {
      if (!arguments.length) return domain;
      domain = x.map(Number);
      return rescale();
    };
    scale.range = function(x) {
      if (!arguments.length) return range;
      range = x;
      return rescale();
    };
    scale.rangeRound = function(x) {
      return scale.range(x).interpolate(d3_interpolateRound);
    };
    scale.clamp = function(x) {
      if (!arguments.length) return clamp;
      clamp = x;
      return rescale();
    };
    scale.interpolate = function(x) {
      if (!arguments.length) return interpolate;
      interpolate = x;
      return rescale();
    };
    scale.ticks = function(m) {
      return d3_scale_linearTicks(domain, m);
    };
    scale.tickFormat = function(m, format) {
      return d3_scale_linearTickFormat(domain, m, format);
    };
    scale.nice = function(m) {
      d3_scale_linearNice(domain, m);
      return rescale();
    };
    scale.copy = function() {
      return d3_scale_linear(domain, range, interpolate, clamp);
    };
    return rescale();
  }
  function d3_scale_linearRebind(scale, linear) {
    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
  }
  function d3_scale_linearNice(domain, m) {
    d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
    d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
    return domain;
  }
  function d3_scale_linearTickRange(domain, m) {
    if (m == null) m = 10;
    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
    extent[0] = Math.ceil(extent[0] / step) * step;
    extent[1] = Math.floor(extent[1] / step) * step + step * .5;
    extent[2] = step;
    return extent;
  }
  function d3_scale_linearTicks(domain, m) {
    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
  }
  function d3_scale_linearTickFormat(domain, m, format) {
    var range = d3_scale_linearTickRange(domain, m);
    if (format) {
      var match = d3_format_re.exec(format);
      match.shift();
      if (match[8] === "s") {
        var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));
        if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));
        match[8] = "f";
        format = d3.format(match.join(""));
        return function(d) {
          return format(prefix.scale(d)) + prefix.symbol;
        };
      }
      if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);
      format = match.join("");
    } else {
      format = ",." + d3_scale_linearPrecision(range[2]) + "f";
    }
    return d3.format(format);
  }
  var d3_scale_linearFormatSignificant = {
    s: 1,
    g: 1,
    p: 1,
    r: 1,
    e: 1
  };
  function d3_scale_linearPrecision(value) {
    return -Math.floor(Math.log(value) / Math.LN10 + .01);
  }
  function d3_scale_linearFormatPrecision(type, range) {
    var p = d3_scale_linearPrecision(range[2]);
    return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2;
  }
  d3.scale.log = function() {
    return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);
  };
  function d3_scale_log(linear, base, positive, domain) {
    function log(x) {
      return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);
    }
    function pow(x) {
      return positive ? Math.pow(base, x) : -Math.pow(base, -x);
    }
    function scale(x) {
      return linear(log(x));
    }
    scale.invert = function(x) {
      return pow(linear.invert(x));
    };
    scale.domain = function(x) {
      if (!arguments.length) return domain;
      positive = x[0] >= 0;
      linear.domain((domain = x.map(Number)).map(log));
      return scale;
    };
    scale.base = function(_) {
      if (!arguments.length) return base;
      base = +_;
      linear.domain(domain.map(log));
      return scale;
    };
    scale.nice = function() {
      var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);
      linear.domain(niced);
      domain = niced.map(pow);
      return scale;
    };
    scale.ticks = function() {
      var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;
      if (isFinite(j - i)) {
        if (positive) {
          for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);
          ticks.push(pow(i));
        } else {
          ticks.push(pow(i));
          for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);
        }
        for (i = 0; ticks[i] < u; i++) {}
        for (j = ticks.length; ticks[j - 1] > v; j--) {}
        ticks = ticks.slice(i, j);
      }
      return ticks;
    };
    scale.tickFormat = function(n, format) {
      if (!arguments.length) return d3_scale_logFormat;
      if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);
      var k = Math.max(1, base * n / scale.ticks().length);
      return function(d) {
        var i = d / pow(Math.round(log(d)));
        if (i * base < base - .5) i *= base;
        return i <= k ? format(d) : "";
      };
    };
    scale.copy = function() {
      return d3_scale_log(linear.copy(), base, positive, domain);
    };
    return d3_scale_linearRebind(scale, linear);
  }
  var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {
    floor: function(x) {
      return -Math.ceil(-x);
    },
    ceil: function(x) {
      return -Math.floor(-x);
    }
  };
  d3.scale.pow = function() {
    return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);
  };
  function d3_scale_pow(linear, exponent, domain) {
    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
    function scale(x) {
      return linear(powp(x));
    }
    scale.invert = function(x) {
      return powb(linear.invert(x));
    };
    scale.domain = function(x) {
      if (!arguments.length) return domain;
      linear.domain((domain = x.map(Number)).map(powp));
      return scale;
    };
    scale.ticks = function(m) {
      return d3_scale_linearTicks(domain, m);
    };
    scale.tickFormat = function(m, format) {
      return d3_scale_linearTickFormat(domain, m, format);
    };
    scale.nice = function(m) {
      return scale.domain(d3_scale_linearNice(domain, m));
    };
    scale.exponent = function(x) {
      if (!arguments.length) return exponent;
      powp = d3_scale_powPow(exponent = x);
      powb = d3_scale_powPow(1 / exponent);
      linear.domain(domain.map(powp));
      return scale;
    };
    scale.copy = function() {
      return d3_scale_pow(linear.copy(), exponent, domain);
    };
    return d3_scale_linearRebind(scale, linear);
  }
  function d3_scale_powPow(e) {
    return function(x) {
      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
    };
  }
  d3.scale.sqrt = function() {
    return d3.scale.pow().exponent(.5);
  };
  d3.scale.ordinal = function() {
    return d3_scale_ordinal([], {
      t: "range",
      a: [ [] ]
    });
  };
  function d3_scale_ordinal(domain, ranger) {
    var index, range, rangeBand;
    function scale(x) {
      return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];
    }
    function steps(start, step) {
      return d3.range(domain.length).map(function(i) {
        return start + step * i;
      });
    }
    scale.domain = function(x) {
      if (!arguments.length) return domain;
      domain = [];
      index = new d3_Map();
      var i = -1, n = x.length, xi;
      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
      return scale[ranger.t].apply(scale, ranger.a);
    };
    scale.range = function(x) {
      if (!arguments.length) return range;
      range = x;
      rangeBand = 0;
      ranger = {
        t: "range",
        a: arguments
      };
      return scale;
    };
    scale.rangePoints = function(x, padding) {
      if (arguments.length < 2) padding = 0;
      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, 
      0) : (stop - start) / (domain.length - 1 + padding);
      range = steps(start + step * padding / 2, step);
      rangeBand = 0;
      ranger = {
        t: "rangePoints",
        a: arguments
      };
      return scale;
    };
    scale.rangeRoundPoints = function(x, padding) {
      if (arguments.length < 2) padding = 0;
      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), 
      0) : (stop - start) / (domain.length - 1 + padding) | 0;
      range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);
      rangeBand = 0;
      ranger = {
        t: "rangeRoundPoints",
        a: arguments
      };
      return scale;
    };
    scale.rangeBands = function(x, padding, outerPadding) {
      if (arguments.length < 2) padding = 0;
      if (arguments.length < 3) outerPadding = padding;
      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
      range = steps(start + step * outerPadding, step);
      if (reverse) range.reverse();
      rangeBand = step * (1 - padding);
      ranger = {
        t: "rangeBands",
        a: arguments
      };
      return scale;
    };
    scale.rangeRoundBands = function(x, padding, outerPadding) {
      if (arguments.length < 2) padding = 0;
      if (arguments.length < 3) outerPadding = padding;
      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));
      range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
      if (reverse) range.reverse();
      rangeBand = Math.round(step * (1 - padding));
      ranger = {
        t: "rangeRoundBands",
        a: arguments
      };
      return scale;
    };
    scale.rangeBand = function() {
      return rangeBand;
    };
    scale.rangeExtent = function() {
      return d3_scaleExtent(ranger.a[0]);
    };
    scale.copy = function() {
      return d3_scale_ordinal(domain, ranger);
    };
    return scale.domain(domain);
  }
  d3.scale.category10 = function() {
    return d3.scale.ordinal().range(d3_category10);
  };
  d3.scale.category20 = function() {
    return d3.scale.ordinal().range(d3_category20);
  };
  d3.scale.category20b = function() {
    return d3.scale.ordinal().range(d3_category20b);
  };
  d3.scale.category20c = function() {
    return d3.scale.ordinal().range(d3_category20c);
  };
  var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);
  var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);
  var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);
  var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);
  d3.scale.quantile = function() {
    return d3_scale_quantile([], []);
  };
  function d3_scale_quantile(domain, range) {
    var thresholds;
    function rescale() {
      var k = 0, q = range.length;
      thresholds = [];
      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
      return scale;
    }
    function scale(x) {
      if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];
    }
    scale.domain = function(x) {
      if (!arguments.length) return domain;
      domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);
      return rescale();
    };
    scale.range = function(x) {
      if (!arguments.length) return range;
      range = x;
      return rescale();
    };
    scale.quantiles = function() {
      return thresholds;
    };
    scale.invertExtent = function(y) {
      y = range.indexOf(y);
      return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];
    };
    scale.copy = function() {
      return d3_scale_quantile(domain, range);
    };
    return rescale();
  }
  d3.scale.quantize = function() {
    return d3_scale_quantize(0, 1, [ 0, 1 ]);
  };
  function d3_scale_quantize(x0, x1, range) {
    var kx, i;
    function scale(x) {
      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
    }
    function rescale() {
      kx = range.length / (x1 - x0);
      i = range.length - 1;
      return scale;
    }
    scale.domain = function(x) {
      if (!arguments.length) return [ x0, x1 ];
      x0 = +x[0];
      x1 = +x[x.length - 1];
      return rescale();
    };
    scale.range = function(x) {
      if (!arguments.length) return range;
      range = x;
      return rescale();
    };
    scale.invertExtent = function(y) {
      y = range.indexOf(y);
      y = y < 0 ? NaN : y / kx + x0;
      return [ y, y + 1 / kx ];
    };
    scale.copy = function() {
      return d3_scale_quantize(x0, x1, range);
    };
    return rescale();
  }
  d3.scale.threshold = function() {
    return d3_scale_threshold([ .5 ], [ 0, 1 ]);
  };
  function d3_scale_threshold(domain, range) {
    function scale(x) {
      if (x <= x) return range[d3.bisect(domain, x)];
    }
    scale.domain = function(_) {
      if (!arguments.length) return domain;
      domain = _;
      return scale;
    };
    scale.range = function(_) {
      if (!arguments.length) return range;
      range = _;
      return scale;
    };
    scale.invertExtent = function(y) {
      y = range.indexOf(y);
      return [ domain[y - 1], domain[y] ];
    };
    scale.copy = function() {
      return d3_scale_threshold(domain, range);
    };
    return scale;
  }
  d3.scale.identity = function() {
    return d3_scale_identity([ 0, 1 ]);
  };
  function d3_scale_identity(domain) {
    function identity(x) {
      return +x;
    }
    identity.invert = identity;
    identity.domain = identity.range = function(x) {
      if (!arguments.length) return domain;
      domain = x.map(identity);
      return identity;
    };
    identity.ticks = function(m) {
      return d3_scale_linearTicks(domain, m);
    };
    identity.tickFormat = function(m, format) {
      return d3_scale_linearTickFormat(domain, m, format);
    };
    identity.copy = function() {
      return d3_scale_identity(domain);
    };
    return identity;
  }
  d3.svg = {};
  function d3_zero() {
    return 0;
  }
  d3.svg.arc = function() {
    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle;
    function arc() {
      var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1;
      if (r1 < r0) rc = r1, r1 = r0, r0 = rc;
      if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z";
      var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];
      if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {
        rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);
        if (!cw) p1 *= -1;
        if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));
        if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));
      }
      if (r1) {
        x0 = r1 * Math.cos(a0 + p1);
        y0 = r1 * Math.sin(a0 + p1);
        x1 = r1 * Math.cos(a1 - p1);
        y1 = r1 * Math.sin(a1 - p1);
        var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;
        if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {
          var h1 = (a0 + a1) / 2;
          x0 = r1 * Math.cos(h1);
          y0 = r1 * Math.sin(h1);
          x1 = y1 = null;
        }
      } else {
        x0 = y0 = 0;
      }
      if (r0) {
        x2 = r0 * Math.cos(a1 - p0);
        y2 = r0 * Math.sin(a1 - p0);
        x3 = r0 * Math.cos(a0 + p0);
        y3 = r0 * Math.sin(a0 + p0);
        var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;
        if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {
          var h0 = (a0 + a1) / 2;
          x2 = r0 * Math.cos(h0);
          y2 = r0 * Math.sin(h0);
          x3 = y3 = null;
        }
      } else {
        x2 = y2 = 0;
      }
      if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {
        cr = r0 < r1 ^ cw ? 0 : 1;
        var rc1 = rc, rc0 = rc;
        if (da < π) {
          var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);
          rc0 = Math.min(rc, (r0 - lc) / (kc - 1));
          rc1 = Math.min(rc, (r1 - lc) / (kc + 1));
        }
        if (x1 != null) {
          var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw);
          if (rc === rc1) {
            path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]);
          } else {
            path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]);
          }
        } else {
          path.push("M", x0, ",", y0);
        }
        if (x3 != null) {
          var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw);
          if (rc === rc0) {
            path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
          } else {
            path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
          }
        } else {
          path.push("L", x2, ",", y2);
        }
      } else {
        path.push("M", x0, ",", y0);
        if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1);
        path.push("L", x2, ",", y2);
        if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3);
      }
      path.push("Z");
      return path.join("");
    }
    function circleSegment(r1, cw) {
      return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1;
    }
    arc.innerRadius = function(v) {
      if (!arguments.length) return innerRadius;
      innerRadius = d3_functor(v);
      return arc;
    };
    arc.outerRadius = function(v) {
      if (!arguments.length) return outerRadius;
      outerRadius = d3_functor(v);
      return arc;
    };
    arc.cornerRadius = function(v) {
      if (!arguments.length) return cornerRadius;
      cornerRadius = d3_functor(v);
      return arc;
    };
    arc.padRadius = function(v) {
      if (!arguments.length) return padRadius;
      padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);
      return arc;
    };
    arc.startAngle = function(v) {
      if (!arguments.length) return startAngle;
      startAngle = d3_functor(v);
      return arc;
    };
    arc.endAngle = function(v) {
      if (!arguments.length) return endAngle;
      endAngle = d3_functor(v);
      return arc;
    };
    arc.padAngle = function(v) {
      if (!arguments.length) return padAngle;
      padAngle = d3_functor(v);
      return arc;
    };
    arc.centroid = function() {
      var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;
      return [ Math.cos(a) * r, Math.sin(a) * r ];
    };
    return arc;
  };
  var d3_svg_arcAuto = "auto";
  function d3_svg_arcInnerRadius(d) {
    return d.innerRadius;
  }
  function d3_svg_arcOuterRadius(d) {
    return d.outerRadius;
  }
  function d3_svg_arcStartAngle(d) {
    return d.startAngle;
  }
  function d3_svg_arcEndAngle(d) {
    return d.endAngle;
  }
  function d3_svg_arcPadAngle(d) {
    return d && d.padAngle;
  }
  function d3_svg_arcSweep(x0, y0, x1, y1) {
    return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;
  }
  function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {
    var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3;
    if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
    return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];
  }
  function d3_svg_line(projection) {
    var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
    function line(data) {
      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
      function segment() {
        segments.push("M", interpolate(projection(points), tension));
      }
      while (++i < n) {
        if (defined.call(this, d = data[i], i)) {
          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
        } else if (points.length) {
          segment();
          points = [];
        }
      }
      if (points.length) segment();
      return segments.length ? segments.join("") : null;
    }
    line.x = function(_) {
      if (!arguments.length) return x;
      x = _;
      return line;
    };
    line.y = function(_) {
      if (!arguments.length) return y;
      y = _;
      return line;
    };
    line.defined = function(_) {
      if (!arguments.length) return defined;
      defined = _;
      return line;
    };
    line.interpolate = function(_) {
      if (!arguments.length) return interpolateKey;
      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
      return line;
    };
    line.tension = function(_) {
      if (!arguments.length) return tension;
      tension = _;
      return line;
    };
    return line;
  }
  d3.svg.line = function() {
    return d3_svg_line(d3_identity);
  };
  var d3_svg_lineInterpolators = d3.map({
    linear: d3_svg_lineLinear,
    "linear-closed": d3_svg_lineLinearClosed,
    step: d3_svg_lineStep,
    "step-before": d3_svg_lineStepBefore,
    "step-after": d3_svg_lineStepAfter,
    basis: d3_svg_lineBasis,
    "basis-open": d3_svg_lineBasisOpen,
    "basis-closed": d3_svg_lineBasisClosed,
    bundle: d3_svg_lineBundle,
    cardinal: d3_svg_lineCardinal,
    "cardinal-open": d3_svg_lineCardinalOpen,
    "cardinal-closed": d3_svg_lineCardinalClosed,
    monotone: d3_svg_lineMonotone
  });
  d3_svg_lineInterpolators.forEach(function(key, value) {
    value.key = key;
    value.closed = /-closed$/.test(key);
  });
  function d3_svg_lineLinear(points) {
    return points.length > 1 ? points.join("L") : points + "Z";
  }
  function d3_svg_lineLinearClosed(points) {
    return points.join("L") + "Z";
  }
  function d3_svg_lineStep(points) {
    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
    while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);
    if (n > 1) path.push("H", p[0]);
    return path.join("");
  }
  function d3_svg_lineStepBefore(points) {
    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
    while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
    return path.join("");
  }
  function d3_svg_lineStepAfter(points) {
    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
    while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
    return path.join("");
  }
  function d3_svg_lineCardinalOpen(points, tension) {
    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));
  }
  function d3_svg_lineCardinalClosed(points, tension) {
    return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 
    points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
  }
  function d3_svg_lineCardinal(points, tension) {
    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
  }
  function d3_svg_lineHermite(points, tangents) {
    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
      return d3_svg_lineLinear(points);
    }
    var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
    if (quad) {
      path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
      p0 = points[1];
      pi = 2;
    }
    if (tangents.length > 1) {
      t = tangents[1];
      p = points[pi];
      pi++;
      path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
      for (var i = 2; i < tangents.length; i++, pi++) {
        p = points[pi];
        t = tangents[i];
        path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
      }
    }
    if (quad) {
      var lp = points[pi];
      path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
    }
    return path;
  }
  function d3_svg_lineCardinalTangents(points, tension) {
    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
    while (++i < n) {
      p0 = p1;
      p1 = p2;
      p2 = points[i];
      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
    }
    return tangents;
  }
  function d3_svg_lineBasis(points) {
    if (points.length < 3) return d3_svg_lineLinear(points);
    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
    points.push(points[n - 1]);
    while (++i <= n) {
      pi = points[i];
      px.shift();
      px.push(pi[0]);
      py.shift();
      py.push(pi[1]);
      d3_svg_lineBasisBezier(path, px, py);
    }
    points.pop();
    path.push("L", pi);
    return path.join("");
  }
  function d3_svg_lineBasisOpen(points) {
    if (points.length < 4) return d3_svg_lineLinear(points);
    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
    while (++i < 3) {
      pi = points[i];
      px.push(pi[0]);
      py.push(pi[1]);
    }
    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
    --i;
    while (++i < n) {
      pi = points[i];
      px.shift();
      px.push(pi[0]);
      py.shift();
      py.push(pi[1]);
      d3_svg_lineBasisBezier(path, px, py);
    }
    return path.join("");
  }
  function d3_svg_lineBasisClosed(points) {
    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
    while (++i < 4) {
      pi = points[i % n];
      px.push(pi[0]);
      py.push(pi[1]);
    }
    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
    --i;
    while (++i < m) {
      pi = points[i % n];
      px.shift();
      px.push(pi[0]);
      py.shift();
      py.push(pi[1]);
      d3_svg_lineBasisBezier(path, px, py);
    }
    return path.join("");
  }
  function d3_svg_lineBundle(points, tension) {
    var n = points.length - 1;
    if (n) {
      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
      while (++i <= n) {
        p = points[i];
        t = i / n;
        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
      }
    }
    return d3_svg_lineBasis(points);
  }
  function d3_svg_lineDot4(a, b) {
    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
  }
  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
  function d3_svg_lineBasisBezier(path, x, y) {
    path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
  }
  function d3_svg_lineSlope(p0, p1) {
    return (p1[1] - p0[1]) / (p1[0] - p0[0]);
  }
  function d3_svg_lineFiniteDifferences(points) {
    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
    while (++i < j) {
      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
    }
    m[i] = d;
    return m;
  }
  function d3_svg_lineMonotoneTangents(points) {
    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
    while (++i < j) {
      d = d3_svg_lineSlope(points[i], points[i + 1]);
      if (abs(d) < ε) {
        m[i] = m[i + 1] = 0;
      } else {
        a = m[i] / d;
        b = m[i + 1] / d;
        s = a * a + b * b;
        if (s > 9) {
          s = d * 3 / Math.sqrt(s);
          m[i] = s * a;
          m[i + 1] = s * b;
        }
      }
    }
    i = -1;
    while (++i <= j) {
      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
      tangents.push([ s || 0, m[i] * s || 0 ]);
    }
    return tangents;
  }
  function d3_svg_lineMonotone(points) {
    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
  }
  d3.svg.line.radial = function() {
    var line = d3_svg_line(d3_svg_lineRadial);
    line.radius = line.x, delete line.x;
    line.angle = line.y, delete line.y;
    return line;
  };
  function d3_svg_lineRadial(points) {
    var point, i = -1, n = points.length, r, a;
    while (++i < n) {
      point = points[i];
      r = point[0];
      a = point[1] - halfπ;
      point[0] = r * Math.cos(a);
      point[1] = r * Math.sin(a);
    }
    return points;
  }
  function d3_svg_area(projection) {
    var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
    function area(data) {
      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
        return x;
      } : d3_functor(x1), fy1 = y0 === y1 ? function() {
        return y;
      } : d3_functor(y1), x, y;
      function segment() {
        segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
      }
      while (++i < n) {
        if (defined.call(this, d = data[i], i)) {
          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
        } else if (points0.length) {
          segment();
          points0 = [];
          points1 = [];
        }
      }
      if (points0.length) segment();
      return segments.length ? segments.join("") : null;
    }
    area.x = function(_) {
      if (!arguments.length) return x1;
      x0 = x1 = _;
      return area;
    };
    area.x0 = function(_) {
      if (!arguments.length) return x0;
      x0 = _;
      return area;
    };
    area.x1 = function(_) {
      if (!arguments.length) return x1;
      x1 = _;
      return area;
    };
    area.y = function(_) {
      if (!arguments.length) return y1;
      y0 = y1 = _;
      return area;
    };
    area.y0 = function(_) {
      if (!arguments.length) return y0;
      y0 = _;
      return area;
    };
    area.y1 = function(_) {
      if (!arguments.length) return y1;
      y1 = _;
      return area;
    };
    area.defined = function(_) {
      if (!arguments.length) return defined;
      defined = _;
      return area;
    };
    area.interpolate = function(_) {
      if (!arguments.length) return interpolateKey;
      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
      interpolateReverse = interpolate.reverse || interpolate;
      L = interpolate.closed ? "M" : "L";
      return area;
    };
    area.tension = function(_) {
      if (!arguments.length) return tension;
      tension = _;
      return area;
    };
    return area;
  }
  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
  d3.svg.area = function() {
    return d3_svg_area(d3_identity);
  };
  d3.svg.area.radial = function() {
    var area = d3_svg_area(d3_svg_lineRadial);
    area.radius = area.x, delete area.x;
    area.innerRadius = area.x0, delete area.x0;
    area.outerRadius = area.x1, delete area.x1;
    area.angle = area.y, delete area.y;
    area.startAngle = area.y0, delete area.y0;
    area.endAngle = area.y1, delete area.y1;
    return area;
  };
  d3.svg.chord = function() {
    var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
    function chord(d, i) {
      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
      return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
    }
    function subgroup(self, f, d, i) {
      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ;
      return {
        r: r,
        a0: a0,
        a1: a1,
        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
      };
    }
    function equals(a, b) {
      return a.a0 == b.a0 && a.a1 == b.a1;
    }
    function arc(r, p, a) {
      return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
    }
    function curve(r0, p0, r1, p1) {
      return "Q 0,0 " + p1;
    }
    chord.radius = function(v) {
      if (!arguments.length) return radius;
      radius = d3_functor(v);
      return chord;
    };
    chord.source = function(v) {
      if (!arguments.length) return source;
      source = d3_functor(v);
      return chord;
    };
    chord.target = function(v) {
      if (!arguments.length) return target;
      target = d3_functor(v);
      return chord;
    };
    chord.startAngle = function(v) {
      if (!arguments.length) return startAngle;
      startAngle = d3_functor(v);
      return chord;
    };
    chord.endAngle = function(v) {
      if (!arguments.length) return endAngle;
      endAngle = d3_functor(v);
      return chord;
    };
    return chord;
  };
  function d3_svg_chordRadius(d) {
    return d.radius;
  }
  d3.svg.diagonal = function() {
    var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
    function diagonal(d, i) {
      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
        x: p0.x,
        y: m
      }, {
        x: p3.x,
        y: m
      }, p3 ];
      p = p.map(projection);
      return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
    }
    diagonal.source = function(x) {
      if (!arguments.length) return source;
      source = d3_functor(x);
      return diagonal;
    };
    diagonal.target = function(x) {
      if (!arguments.length) return target;
      target = d3_functor(x);
      return diagonal;
    };
    diagonal.projection = function(x) {
      if (!arguments.length) return projection;
      projection = x;
      return diagonal;
    };
    return diagonal;
  };
  function d3_svg_diagonalProjection(d) {
    return [ d.x, d.y ];
  }
  d3.svg.diagonal.radial = function() {
    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
    diagonal.projection = function(x) {
      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
    };
    return diagonal;
  };
  function d3_svg_diagonalRadialProjection(projection) {
    return function() {
      var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;
      return [ r * Math.cos(a), r * Math.sin(a) ];
    };
  }
  d3.svg.symbol = function() {
    var type = d3_svg_symbolType, size = d3_svg_symbolSize;
    function symbol(d, i) {
      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
    }
    symbol.type = function(x) {
      if (!arguments.length) return type;
      type = d3_functor(x);
      return symbol;
    };
    symbol.size = function(x) {
      if (!arguments.length) return size;
      size = d3_functor(x);
      return symbol;
    };
    return symbol;
  };
  function d3_svg_symbolSize() {
    return 64;
  }
  function d3_svg_symbolType() {
    return "circle";
  }
  function d3_svg_symbolCircle(size) {
    var r = Math.sqrt(size / π);
    return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
  }
  var d3_svg_symbols = d3.map({
    circle: d3_svg_symbolCircle,
    cross: function(size) {
      var r = Math.sqrt(size / 5) / 2;
      return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
    },
    diamond: function(size) {
      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
      return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
    },
    square: function(size) {
      var r = Math.sqrt(size) / 2;
      return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
    },
    "triangle-down": function(size) {
      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
      return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
    },
    "triangle-up": function(size) {
      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
      return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
    }
  });
  d3.svg.symbolTypes = d3_svg_symbols.keys();
  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
  d3_selectionPrototype.transition = function(name) {
    var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {
      time: Date.now(),
      ease: d3_ease_cubicInOut,
      delay: 0,
      duration: 250
    };
    for (var j = -1, m = this.length; ++j < m; ) {
      subgroups.push(subgroup = []);
      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
        if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);
        subgroup.push(node);
      }
    }
    return d3_transition(subgroups, ns, id);
  };
  d3_selectionPrototype.interrupt = function(name) {
    return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));
  };
  var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());
  function d3_selection_interruptNS(ns) {
    return function() {
      var lock, activeId, active;
      if ((lock = this[ns]) && (active = lock[activeId = lock.active])) {
        active.timer.c = null;
        active.timer.t = NaN;
        if (--lock.count) delete lock[activeId]; else delete this[ns];
        lock.active += .5;
        active.event && active.event.interrupt.call(this, this.__data__, active.index);
      }
    };
  }
  function d3_transition(groups, ns, id) {
    d3_subclass(groups, d3_transitionPrototype);
    groups.namespace = ns;
    groups.id = id;
    return groups;
  }
  var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;
  d3_transitionPrototype.call = d3_selectionPrototype.call;
  d3_transitionPrototype.empty = d3_selectionPrototype.empty;
  d3_transitionPrototype.node = d3_selectionPrototype.node;
  d3_transitionPrototype.size = d3_selectionPrototype.size;
  d3.transition = function(selection, name) {
    return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection);
  };
  d3.transition.prototype = d3_transitionPrototype;
  d3_transitionPrototype.select = function(selector) {
    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;
    selector = d3_selection_selector(selector);
    for (var j = -1, m = this.length; ++j < m; ) {
      subgroups.push(subgroup = []);
      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
        if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {
          if ("__data__" in node) subnode.__data__ = node.__data__;
          d3_transitionNode(subnode, i, ns, id, node[ns][id]);
          subgroup.push(subnode);
        } else {
          subgroup.push(null);
        }
      }
    }
    return d3_transition(subgroups, ns, id);
  };
  d3_transitionPrototype.selectAll = function(selector) {
    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;
    selector = d3_selection_selectorAll(selector);
    for (var j = -1, m = this.length; ++j < m; ) {
      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
        if (node = group[i]) {
          transition = node[ns][id];
          subnodes = selector.call(node, node.__data__, i, j);
          subgroups.push(subgroup = []);
          for (var k = -1, o = subnodes.length; ++k < o; ) {
            if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);
            subgroup.push(subnode);
          }
        }
      }
    }
    return d3_transition(subgroups, ns, id);
  };
  d3_transitionPrototype.filter = function(filter) {
    var subgroups = [], subgroup, group, node;
    if (typeof filter !== "function") filter = d3_selection_filter(filter);
    for (var j = 0, m = this.length; j < m; j++) {
      subgroups.push(subgroup = []);
      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
          subgroup.push(node);
        }
      }
    }
    return d3_transition(subgroups, this.namespace, this.id);
  };
  d3_transitionPrototype.tween = function(name, tween) {
    var id = this.id, ns = this.namespace;
    if (arguments.length < 2) return this.node()[ns][id].tween.get(name);
    return d3_selection_each(this, tween == null ? function(node) {
      node[ns][id].tween.remove(name);
    } : function(node) {
      node[ns][id].tween.set(name, tween);
    });
  };
  function d3_transition_tween(groups, name, value, tween) {
    var id = groups.id, ns = groups.namespace;
    return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
      node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
    } : (value = tween(value), function(node) {
      node[ns][id].tween.set(name, value);
    }));
  }
  d3_transitionPrototype.attr = function(nameNS, value) {
    if (arguments.length < 2) {
      for (value in nameNS) this.attr(value, nameNS[value]);
      return this;
    }
    var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);
    function attrNull() {
      this.removeAttribute(name);
    }
    function attrNullNS() {
      this.removeAttributeNS(name.space, name.local);
    }
    function attrTween(b) {
      return b == null ? attrNull : (b += "", function() {
        var a = this.getAttribute(name), i;
        return a !== b && (i = interpolate(a, b), function(t) {
          this.setAttribute(name, i(t));
        });
      });
    }
    function attrTweenNS(b) {
      return b == null ? attrNullNS : (b += "", function() {
        var a = this.getAttributeNS(name.space, name.local), i;
        return a !== b && (i = interpolate(a, b), function(t) {
          this.setAttributeNS(name.space, name.local, i(t));
        });
      });
    }
    return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);
  };
  d3_transitionPrototype.attrTween = function(nameNS, tween) {
    var name = d3.ns.qualify(nameNS);
    function attrTween(d, i) {
      var f = tween.call(this, d, i, this.getAttribute(name));
      return f && function(t) {
        this.setAttribute(name, f(t));
      };
    }
    function attrTweenNS(d, i) {
      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
      return f && function(t) {
        this.setAttributeNS(name.space, name.local, f(t));
      };
    }
    return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
  };
  d3_transitionPrototype.style = function(name, value, priority) {
    var n = arguments.length;
    if (n < 3) {
      if (typeof name !== "string") {
        if (n < 2) value = "";
        for (priority in name) this.style(priority, name[priority], value);
        return this;
      }
      priority = "";
    }
    function styleNull() {
      this.style.removeProperty(name);
    }
    function styleString(b) {
      return b == null ? styleNull : (b += "", function() {
        var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i;
        return a !== b && (i = d3_interpolate(a, b), function(t) {
          this.style.setProperty(name, i(t), priority);
        });
      });
    }
    return d3_transition_tween(this, "style." + name, value, styleString);
  };
  d3_transitionPrototype.styleTween = function(name, tween, priority) {
    if (arguments.length < 3) priority = "";
    function styleTween(d, i) {
      var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name));
      return f && function(t) {
        this.style.setProperty(name, f(t), priority);
      };
    }
    return this.tween("style." + name, styleTween);
  };
  d3_transitionPrototype.text = function(value) {
    return d3_transition_tween(this, "text", value, d3_transition_text);
  };
  function d3_transition_text(b) {
    if (b == null) b = "";
    return function() {
      this.textContent = b;
    };
  }
  d3_transitionPrototype.remove = function() {
    var ns = this.namespace;
    return this.each("end.transition", function() {
      var p;
      if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);
    });
  };
  d3_transitionPrototype.ease = function(value) {
    var id = this.id, ns = this.namespace;
    if (arguments.length < 1) return this.node()[ns][id].ease;
    if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
    return d3_selection_each(this, function(node) {
      node[ns][id].ease = value;
    });
  };
  d3_transitionPrototype.delay = function(value) {
    var id = this.id, ns = this.namespace;
    if (arguments.length < 1) return this.node()[ns][id].delay;
    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
      node[ns][id].delay = +value.call(node, node.__data__, i, j);
    } : (value = +value, function(node) {
      node[ns][id].delay = value;
    }));
  };
  d3_transitionPrototype.duration = function(value) {
    var id = this.id, ns = this.namespace;
    if (arguments.length < 1) return this.node()[ns][id].duration;
    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
      node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));
    } : (value = Math.max(1, value), function(node) {
      node[ns][id].duration = value;
    }));
  };
  d3_transitionPrototype.each = function(type, listener) {
    var id = this.id, ns = this.namespace;
    if (arguments.length < 2) {
      var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
      try {
        d3_transitionInheritId = id;
        d3_selection_each(this, function(node, i, j) {
          d3_transitionInherit = node[ns][id];
          type.call(node, node.__data__, i, j);
        });
      } finally {
        d3_transitionInherit = inherit;
        d3_transitionInheritId = inheritId;
      }
    } else {
      d3_selection_each(this, function(node) {
        var transition = node[ns][id];
        (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener);
      });
    }
    return this;
  };
  d3_transitionPrototype.transition = function() {
    var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;
    for (var j = 0, m = this.length; j < m; j++) {
      subgroups.push(subgroup = []);
      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
        if (node = group[i]) {
          transition = node[ns][id0];
          d3_transitionNode(node, i, ns, id1, {
            time: transition.time,
            ease: transition.ease,
            delay: transition.delay + transition.duration,
            duration: transition.duration
          });
        }
        subgroup.push(node);
      }
    }
    return d3_transition(subgroups, ns, id1);
  };
  function d3_transitionNamespace(name) {
    return name == null ? "__transition__" : "__transition_" + name + "__";
  }
  function d3_transitionNode(node, i, ns, id, inherit) {
    var lock = node[ns] || (node[ns] = {
      active: 0,
      count: 0
    }), transition = lock[id], time, timer, duration, ease, tweens;
    function schedule(elapsed) {
      var delay = transition.delay;
      timer.t = delay + time;
      if (delay <= elapsed) return start(elapsed - delay);
      timer.c = start;
    }
    function start(elapsed) {
      var activeId = lock.active, active = lock[activeId];
      if (active) {
        active.timer.c = null;
        active.timer.t = NaN;
        --lock.count;
        delete lock[activeId];
        active.event && active.event.interrupt.call(node, node.__data__, active.index);
      }
      for (var cancelId in lock) {
        if (+cancelId < id) {
          var cancel = lock[cancelId];
          cancel.timer.c = null;
          cancel.timer.t = NaN;
          --lock.count;
          delete lock[cancelId];
        }
      }
      timer.c = tick;
      d3_timer(function() {
        if (timer.c && tick(elapsed || 1)) {
          timer.c = null;
          timer.t = NaN;
        }
        return 1;
      }, 0, time);
      lock.active = id;
      transition.event && transition.event.start.call(node, node.__data__, i);
      tweens = [];
      transition.tween.forEach(function(key, value) {
        if (value = value.call(node, node.__data__, i)) {
          tweens.push(value);
        }
      });
      ease = transition.ease;
      duration = transition.duration;
    }
    function tick(elapsed) {
      var t = elapsed / duration, e = ease(t), n = tweens.length;
      while (n > 0) {
        tweens[--n].call(node, e);
      }
      if (t >= 1) {
        transition.event && transition.event.end.call(node, node.__data__, i);
        if (--lock.count) delete lock[id]; else delete node[ns];
        return 1;
      }
    }
    if (!transition) {
      time = inherit.time;
      timer = d3_timer(schedule, 0, time);
      transition = lock[id] = {
        tween: new d3_Map(),
        time: time,
        timer: timer,
        delay: inherit.delay,
        duration: inherit.duration,
        ease: inherit.ease,
        index: i
      };
      inherit = null;
      ++lock.count;
    }
  }
  d3.svg.axis = function() {
    var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;
    function axis(g) {
      g.each(function() {
        var g = d3.select(this);
        var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();
        var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform;
        var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
        d3.transition(path));
        tickEnter.append("line");
        tickEnter.append("text");
        var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2;
        if (orient === "bottom" || orient === "top") {
          tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2";
          text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle");
          pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize);
        } else {
          tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2";
          text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start");
          pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize);
        }
        lineEnter.attr(y2, sign * innerTickSize);
        textEnter.attr(y1, sign * tickSpacing);
        lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);
        textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);
        if (scale1.rangeBand) {
          var x = scale1, dx = x.rangeBand() / 2;
          scale0 = scale1 = function(d) {
            return x(d) + dx;
          };
        } else if (scale0.rangeBand) {
          scale0 = scale1;
        } else {
          tickExit.call(tickTransform, scale1, scale0);
        }
        tickEnter.call(tickTransform, scale0, scale1);
        tickUpdate.call(tickTransform, scale1, scale1);
      });
    }
    axis.scale = function(x) {
      if (!arguments.length) return scale;
      scale = x;
      return axis;
    };
    axis.orient = function(x) {
      if (!arguments.length) return orient;
      orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
      return axis;
    };
    axis.ticks = function() {
      if (!arguments.length) return tickArguments_;
      tickArguments_ = d3_array(arguments);
      return axis;
    };
    axis.tickValues = function(x) {
      if (!arguments.length) return tickValues;
      tickValues = x;
      return axis;
    };
    axis.tickFormat = function(x) {
      if (!arguments.length) return tickFormat_;
      tickFormat_ = x;
      return axis;
    };
    axis.tickSize = function(x) {
      var n = arguments.length;
      if (!n) return innerTickSize;
      innerTickSize = +x;
      outerTickSize = +arguments[n - 1];
      return axis;
    };
    axis.innerTickSize = function(x) {
      if (!arguments.length) return innerTickSize;
      innerTickSize = +x;
      return axis;
    };
    axis.outerTickSize = function(x) {
      if (!arguments.length) return outerTickSize;
      outerTickSize = +x;
      return axis;
    };
    axis.tickPadding = function(x) {
      if (!arguments.length) return tickPadding;
      tickPadding = +x;
      return axis;
    };
    axis.tickSubdivide = function() {
      return arguments.length && axis;
    };
    return axis;
  };
  var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
    top: 1,
    right: 1,
    bottom: 1,
    left: 1
  };
  function d3_svg_axisX(selection, x0, x1) {
    selection.attr("transform", function(d) {
      var v0 = x0(d);
      return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)";
    });
  }
  function d3_svg_axisY(selection, y0, y1) {
    selection.attr("transform", function(d) {
      var v0 = y0(d);
      return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")";
    });
  }
  d3.svg.brush = function() {
    var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];
    function brush(g) {
      g.each(function() {
        var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
        var background = g.selectAll(".background").data([ 0 ]);
        background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
        g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");
        var resize = g.selectAll(".resize").data(resizes, d3_identity);
        resize.exit().remove();
        resize.enter().append("g").attr("class", function(d) {
          return "resize " + d;
        }).style("cursor", function(d) {
          return d3_svg_brushCursor[d];
        }).append("rect").attr("x", function(d) {
          return /[ew]$/.test(d) ? -3 : null;
        }).attr("y", function(d) {
          return /^[ns]/.test(d) ? -3 : null;
        }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
        resize.style("display", brush.empty() ? "none" : null);
        var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;
        if (x) {
          range = d3_scaleRange(x);
          backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);
          redrawX(gUpdate);
        }
        if (y) {
          range = d3_scaleRange(y);
          backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);
          redrawY(gUpdate);
        }
        redraw(gUpdate);
      });
    }
    brush.event = function(g) {
      g.each(function() {
        var event_ = event.of(this, arguments), extent1 = {
          x: xExtent,
          y: yExtent,
          i: xExtentDomain,
          j: yExtentDomain
        }, extent0 = this.__chart__ || extent1;
        this.__chart__ = extent1;
        if (d3_transitionInheritId) {
          d3.select(this).transition().each("start.brush", function() {
            xExtentDomain = extent0.i;
            yExtentDomain = extent0.j;
            xExtent = extent0.x;
            yExtent = extent0.y;
            event_({
              type: "brushstart"
            });
          }).tween("brush:brush", function() {
            var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);
            xExtentDomain = yExtentDomain = null;
            return function(t) {
              xExtent = extent1.x = xi(t);
              yExtent = extent1.y = yi(t);
              event_({
                type: "brush",
                mode: "resize"
              });
            };
          }).each("end.brush", function() {
            xExtentDomain = extent1.i;
            yExtentDomain = extent1.j;
            event_({
              type: "brush",
              mode: "resize"
            });
            event_({
              type: "brushend"
            });
          });
        } else {
          event_({
            type: "brushstart"
          });
          event_({
            type: "brush",
            mode: "resize"
          });
          event_({
            type: "brushend"
          });
        }
      });
    };
    function redraw(g) {
      g.selectAll(".resize").attr("transform", function(d) {
        return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";
      });
    }
    function redrawX(g) {
      g.select(".extent").attr("x", xExtent[0]);
      g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);
    }
    function redrawY(g) {
      g.select(".extent").attr("y", yExtent[0]);
      g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);
    }
    function brushstart() {
      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset;
      var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup);
      if (d3.event.changedTouches) {
        w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);
      } else {
        w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);
      }
      g.interrupt().selectAll("*").interrupt();
      if (dragging) {
        origin[0] = xExtent[0] - origin[0];
        origin[1] = yExtent[0] - origin[1];
      } else if (resizing) {
        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
        offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];
        origin[0] = xExtent[ex];
        origin[1] = yExtent[ey];
      } else if (d3.event.altKey) center = origin.slice();
      g.style("pointer-events", "none").selectAll(".resize").style("display", null);
      d3.select("body").style("cursor", eventTarget.style("cursor"));
      event_({
        type: "brushstart"
      });
      brushmove();
      function keydown() {
        if (d3.event.keyCode == 32) {
          if (!dragging) {
            center = null;
            origin[0] -= xExtent[1];
            origin[1] -= yExtent[1];
            dragging = 2;
          }
          d3_eventPreventDefault();
        }
      }
      function keyup() {
        if (d3.event.keyCode == 32 && dragging == 2) {
          origin[0] += xExtent[1];
          origin[1] += yExtent[1];
          dragging = 0;
          d3_eventPreventDefault();
        }
      }
      function brushmove() {
        var point = d3.mouse(target), moved = false;
        if (offset) {
          point[0] += offset[0];
          point[1] += offset[1];
        }
        if (!dragging) {
          if (d3.event.altKey) {
            if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];
            origin[0] = xExtent[+(point[0] < center[0])];
            origin[1] = yExtent[+(point[1] < center[1])];
          } else center = null;
        }
        if (resizingX && move1(point, x, 0)) {
          redrawX(g);
          moved = true;
        }
        if (resizingY && move1(point, y, 1)) {
          redrawY(g);
          moved = true;
        }
        if (moved) {
          redraw(g);
          event_({
            type: "brush",
            mode: dragging ? "move" : "resize"
          });
        }
      }
      function move1(point, scale, i) {
        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;
        if (dragging) {
          r0 -= position;
          r1 -= size + position;
        }
        min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];
        if (dragging) {
          max = (min += position) + size;
        } else {
          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
          if (position < min) {
            max = min;
            min = position;
          } else {
            max = position;
          }
        }
        if (extent[0] != min || extent[1] != max) {
          if (i) yExtentDomain = null; else xExtentDomain = null;
          extent[0] = min;
          extent[1] = max;
          return true;
        }
      }
      function brushend() {
        brushmove();
        g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
        d3.select("body").style("cursor", null);
        w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
        dragRestore();
        event_({
          type: "brushend"
        });
      }
    }
    brush.x = function(z) {
      if (!arguments.length) return x;
      x = z;
      resizes = d3_svg_brushResizes[!x << 1 | !y];
      return brush;
    };
    brush.y = function(z) {
      if (!arguments.length) return y;
      y = z;
      resizes = d3_svg_brushResizes[!x << 1 | !y];
      return brush;
    };
    brush.clamp = function(z) {
      if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;
      if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;
      return brush;
    };
    brush.extent = function(z) {
      var x0, x1, y0, y1, t;
      if (!arguments.length) {
        if (x) {
          if (xExtentDomain) {
            x0 = xExtentDomain[0], x1 = xExtentDomain[1];
          } else {
            x0 = xExtent[0], x1 = xExtent[1];
            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
            if (x1 < x0) t = x0, x0 = x1, x1 = t;
          }
        }
        if (y) {
          if (yExtentDomain) {
            y0 = yExtentDomain[0], y1 = yExtentDomain[1];
          } else {
            y0 = yExtent[0], y1 = yExtent[1];
            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
            if (y1 < y0) t = y0, y0 = y1, y1 = t;
          }
        }
        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
      }
      if (x) {
        x0 = z[0], x1 = z[1];
        if (y) x0 = x0[0], x1 = x1[0];
        xExtentDomain = [ x0, x1 ];
        if (x.invert) x0 = x(x0), x1 = x(x1);
        if (x1 < x0) t = x0, x0 = x1, x1 = t;
        if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];
      }
      if (y) {
        y0 = z[0], y1 = z[1];
        if (x) y0 = y0[1], y1 = y1[1];
        yExtentDomain = [ y0, y1 ];
        if (y.invert) y0 = y(y0), y1 = y(y1);
        if (y1 < y0) t = y0, y0 = y1, y1 = t;
        if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];
      }
      return brush;
    };
    brush.clear = function() {
      if (!brush.empty()) {
        xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];
        xExtentDomain = yExtentDomain = null;
      }
      return brush;
    };
    brush.empty = function() {
      return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];
    };
    return d3.rebind(brush, event, "on");
  };
  var d3_svg_brushCursor = {
    n: "ns-resize",
    e: "ew-resize",
    s: "ns-resize",
    w: "ew-resize",
    nw: "nwse-resize",
    ne: "nesw-resize",
    se: "nwse-resize",
    sw: "nesw-resize"
  };
  var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
  var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;
  var d3_time_formatUtc = d3_time_format.utc;
  var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");
  d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
  function d3_time_formatIsoNative(date) {
    return date.toISOString();
  }
  d3_time_formatIsoNative.parse = function(string) {
    var date = new Date(string);
    return isNaN(date) ? null : date;
  };
  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
  d3_time.second = d3_time_interval(function(date) {
    return new d3_date(Math.floor(date / 1e3) * 1e3);
  }, function(date, offset) {
    date.setTime(date.getTime() + Math.floor(offset) * 1e3);
  }, function(date) {
    return date.getSeconds();
  });
  d3_time.seconds = d3_time.second.range;
  d3_time.seconds.utc = d3_time.second.utc.range;
  d3_time.minute = d3_time_interval(function(date) {
    return new d3_date(Math.floor(date / 6e4) * 6e4);
  }, function(date, offset) {
    date.setTime(date.getTime() + Math.floor(offset) * 6e4);
  }, function(date) {
    return date.getMinutes();
  });
  d3_time.minutes = d3_time.minute.range;
  d3_time.minutes.utc = d3_time.minute.utc.range;
  d3_time.hour = d3_time_interval(function(date) {
    var timezone = date.getTimezoneOffset() / 60;
    return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
  }, function(date, offset) {
    date.setTime(date.getTime() + Math.floor(offset) * 36e5);
  }, function(date) {
    return date.getHours();
  });
  d3_time.hours = d3_time.hour.range;
  d3_time.hours.utc = d3_time.hour.utc.range;
  d3_time.month = d3_time_interval(function(date) {
    date = d3_time.day(date);
    date.setDate(1);
    return date;
  }, function(date, offset) {
    date.setMonth(date.getMonth() + offset);
  }, function(date) {
    return date.getMonth();
  });
  d3_time.months = d3_time.month.range;
  d3_time.months.utc = d3_time.month.utc.range;
  function d3_time_scale(linear, methods, format) {
    function scale(x) {
      return linear(x);
    }
    scale.invert = function(x) {
      return d3_time_scaleDate(linear.invert(x));
    };
    scale.domain = function(x) {
      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
      linear.domain(x);
      return scale;
    };
    function tickMethod(extent, count) {
      var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);
      return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {
        return d / 31536e6;
      }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];
    }
    scale.nice = function(interval, skip) {
      var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);
      if (method) interval = method[0], skip = method[1];
      function skipped(date) {
        return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;
      }
      return scale.domain(d3_scale_nice(domain, skip > 1 ? {
        floor: function(date) {
          while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);
          return date;
        },
        ceil: function(date) {
          while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);
          return date;
        }
      } : interval));
    };
    scale.ticks = function(interval, skip) {
      var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {
        range: interval
      }, skip ];
      if (method) interval = method[0], skip = method[1];
      return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);
    };
    scale.tickFormat = function() {
      return format;
    };
    scale.copy = function() {
      return d3_time_scale(linear.copy(), methods, format);
    };
    return d3_scale_linearRebind(scale, linear);
  }
  function d3_time_scaleDate(t) {
    return new Date(t);
  }
  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
  var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ];
  var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {
    return d.getMilliseconds();
  } ], [ ":%S", function(d) {
    return d.getSeconds();
  } ], [ "%I:%M", function(d) {
    return d.getMinutes();
  } ], [ "%I %p", function(d) {
    return d.getHours();
  } ], [ "%a %d", function(d) {
    return d.getDay() && d.getDate() != 1;
  } ], [ "%b %d", function(d) {
    return d.getDate() != 1;
  } ], [ "%B", function(d) {
    return d.getMonth();
  } ], [ "%Y", d3_true ] ]);
  var d3_time_scaleMilliseconds = {
    range: function(start, stop, step) {
      return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);
    },
    floor: d3_identity,
    ceil: d3_identity
  };
  d3_time_scaleLocalMethods.year = d3_time.year;
  d3_time.scale = function() {
    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
  };
  var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {
    return [ m[0].utc, m[1] ];
  });
  var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {
    return d.getUTCMilliseconds();
  } ], [ ":%S", function(d) {
    return d.getUTCSeconds();
  } ], [ "%I:%M", function(d) {
    return d.getUTCMinutes();
  } ], [ "%I %p", function(d) {
    return d.getUTCHours();
  } ], [ "%a %d", function(d) {
    return d.getUTCDay() && d.getUTCDate() != 1;
  } ], [ "%b %d", function(d) {
    return d.getUTCDate() != 1;
  } ], [ "%B", function(d) {
    return d.getUTCMonth();
  } ], [ "%Y", d3_true ] ]);
  d3_time_scaleUtcMethods.year = d3_time.year.utc;
  d3_time.scale.utc = function() {
    return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);
  };
  d3.text = d3_xhrType(function(request) {
    return request.responseText;
  });
  d3.json = function(url, callback) {
    return d3_xhr(url, "application/json", d3_json, callback);
  };
  function d3_json(request) {
    return JSON.parse(request.responseText);
  }
  d3.html = function(url, callback) {
    return d3_xhr(url, "text/html", d3_html, callback);
  };
  function d3_html(request) {
    var range = d3_document.createRange();
    range.selectNode(d3_document.body);
    return range.createContextualFragment(request.responseText);
  }
  d3.xml = d3_xhrType(function(request) {
    return request.responseXML;
  });
  if (true) this.d3 = d3, !(__WEBPACK_AMD_DEFINE_FACTORY__ = (d3),
		__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
		(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
		__WEBPACK_AMD_DEFINE_FACTORY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); else {}
}();

/***/ }),

/***/ 4420:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var root = __webpack_require__(3056);

/** Built-in value references. */
var Symbol = root.Symbol;

module.exports = Symbol;


/***/ }),

/***/ 9042:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Symbol = __webpack_require__(4420),
    getRawTag = __webpack_require__(6282),
    objectToString = __webpack_require__(7661);

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    undefinedTag = '[object Undefined]';

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag && symToStringTag in Object(value))
    ? getRawTag(value)
    : objectToString(value);
}

module.exports = baseGetTag;


/***/ }),

/***/ 439:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var trimmedEndIndex = __webpack_require__(5630);

/** Used to match leading whitespace. */
var reTrimStart = /^\s+/;

/**
 * The base implementation of `_.trim`.
 *
 * @private
 * @param {string} string The string to trim.
 * @returns {string} Returns the trimmed string.
 */
function baseTrim(string) {
  return string
    ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')
    : string;
}

module.exports = baseTrim;


/***/ }),

/***/ 1744:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g;

module.exports = freeGlobal;


/***/ }),

/***/ 6282:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Symbol = __webpack_require__(4420);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag(value) {
  var isOwn = hasOwnProperty.call(value, symToStringTag),
      tag = value[symToStringTag];

  try {
    value[symToStringTag] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag] = tag;
    } else {
      delete value[symToStringTag];
    }
  }
  return result;
}

module.exports = getRawTag;


/***/ }),

/***/ 7661:
/***/ ((module) => {

/** Used for built-in method references. */
var objectProto = Object.prototype;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString(value) {
  return nativeObjectToString.call(value);
}

module.exports = objectToString;


/***/ }),

/***/ 3056:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var freeGlobal = __webpack_require__(1744);

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

module.exports = root;


/***/ }),

/***/ 5630:
/***/ ((module) => {

/** Used to match a single whitespace character. */
var reWhitespace = /\s/;

/**
 * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
 * character of `string`.
 *
 * @private
 * @param {string} string The string to inspect.
 * @returns {number} Returns the index of the last non-whitespace character.
 */
function trimmedEndIndex(string) {
  var index = string.length;

  while (index-- && reWhitespace.test(string.charAt(index))) {}
  return index;
}

module.exports = trimmedEndIndex;


/***/ }),

/***/ 9412:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(7040),
    now = __webpack_require__(4736),
    toNumber = __webpack_require__(314);

/** Error message constants. */
var FUNC_ERROR_TEXT = 'Expected a function';

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max,
    nativeMin = Math.min;

/**
 * Creates a debounced function that delays invoking `func` until after `wait`
 * milliseconds have elapsed since the last time the debounced function was
 * invoked. The debounced function comes with a `cancel` method to cancel
 * delayed `func` invocations and a `flush` method to immediately invoke them.
 * Provide `options` to indicate whether `func` should be invoked on the
 * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
 * with the last arguments provided to the debounced function. Subsequent
 * calls to the debounced function return the result of the last `func`
 * invocation.
 *
 * **Note:** If `leading` and `trailing` options are `true`, `func` is
 * invoked on the trailing edge of the timeout only if the debounced function
 * is invoked more than once during the `wait` timeout.
 *
 * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
 * until to the next tick, similar to `setTimeout` with a timeout of `0`.
 *
 * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
 * for details over the differences between `_.debounce` and `_.throttle`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Function
 * @param {Function} func The function to debounce.
 * @param {number} [wait=0] The number of milliseconds to delay.
 * @param {Object} [options={}] The options object.
 * @param {boolean} [options.leading=false]
 *  Specify invoking on the leading edge of the timeout.
 * @param {number} [options.maxWait]
 *  The maximum time `func` is allowed to be delayed before it's invoked.
 * @param {boolean} [options.trailing=true]
 *  Specify invoking on the trailing edge of the timeout.
 * @returns {Function} Returns the new debounced function.
 * @example
 *
 * // Avoid costly calculations while the window size is in flux.
 * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
 *
 * // Invoke `sendMail` when clicked, debouncing subsequent calls.
 * jQuery(element).on('click', _.debounce(sendMail, 300, {
 *   'leading': true,
 *   'trailing': false
 * }));
 *
 * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
 * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
 * var source = new EventSource('/stream');
 * jQuery(source).on('message', debounced);
 *
 * // Cancel the trailing debounced invocation.
 * jQuery(window).on('popstate', debounced.cancel);
 */
function debounce(func, wait, options) {
  var lastArgs,
      lastThis,
      maxWait,
      result,
      timerId,
      lastCallTime,
      lastInvokeTime = 0,
      leading = false,
      maxing = false,
      trailing = true;

  if (typeof func != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  wait = toNumber(wait) || 0;
  if (isObject(options)) {
    leading = !!options.leading;
    maxing = 'maxWait' in options;
    maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
    trailing = 'trailing' in options ? !!options.trailing : trailing;
  }

  function invokeFunc(time) {
    var args = lastArgs,
        thisArg = lastThis;

    lastArgs = lastThis = undefined;
    lastInvokeTime = time;
    result = func.apply(thisArg, args);
    return result;
  }

  function leadingEdge(time) {
    // Reset any `maxWait` timer.
    lastInvokeTime = time;
    // Start the timer for the trailing edge.
    timerId = setTimeout(timerExpired, wait);
    // Invoke the leading edge.
    return leading ? invokeFunc(time) : result;
  }

  function remainingWait(time) {
    var timeSinceLastCall = time - lastCallTime,
        timeSinceLastInvoke = time - lastInvokeTime,
        timeWaiting = wait - timeSinceLastCall;

    return maxing
      ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
      : timeWaiting;
  }

  function shouldInvoke(time) {
    var timeSinceLastCall = time - lastCallTime,
        timeSinceLastInvoke = time - lastInvokeTime;

    // Either this is the first call, activity has stopped and we're at the
    // trailing edge, the system time has gone backwards and we're treating
    // it as the trailing edge, or we've hit the `maxWait` limit.
    return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
      (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
  }

  function timerExpired() {
    var time = now();
    if (shouldInvoke(time)) {
      return trailingEdge(time);
    }
    // Restart the timer.
    timerId = setTimeout(timerExpired, remainingWait(time));
  }

  function trailingEdge(time) {
    timerId = undefined;

    // Only invoke if we have `lastArgs` which means `func` has been
    // debounced at least once.
    if (trailing && lastArgs) {
      return invokeFunc(time);
    }
    lastArgs = lastThis = undefined;
    return result;
  }

  function cancel() {
    if (timerId !== undefined) {
      clearTimeout(timerId);
    }
    lastInvokeTime = 0;
    lastArgs = lastCallTime = lastThis = timerId = undefined;
  }

  function flush() {
    return timerId === undefined ? result : trailingEdge(now());
  }

  function debounced() {
    var time = now(),
        isInvoking = shouldInvoke(time);

    lastArgs = arguments;
    lastThis = this;
    lastCallTime = time;

    if (isInvoking) {
      if (timerId === undefined) {
        return leadingEdge(lastCallTime);
      }
      if (maxing) {
        // Handle invocations in a tight loop.
        clearTimeout(timerId);
        timerId = setTimeout(timerExpired, wait);
        return invokeFunc(lastCallTime);
      }
    }
    if (timerId === undefined) {
      timerId = setTimeout(timerExpired, wait);
    }
    return result;
  }
  debounced.cancel = cancel;
  debounced.flush = flush;
  return debounced;
}

module.exports = debounce;


/***/ }),

/***/ 7040:
/***/ ((module) => {

/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(_.noop);
 * // => true
 *
 * _.isObject(null);
 * // => false
 */
function isObject(value) {
  var type = typeof value;
  return value != null && (type == 'object' || type == 'function');
}

module.exports = isObject;


/***/ }),

/***/ 1259:
/***/ ((module) => {

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return value != null && typeof value == 'object';
}

module.exports = isObjectLike;


/***/ }),

/***/ 7386:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGetTag = __webpack_require__(9042),
    isObjectLike = __webpack_require__(1259);

/** `Object#toString` result references. */
var symbolTag = '[object Symbol]';

/**
 * Checks if `value` is classified as a `Symbol` primitive or object.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
 * @example
 *
 * _.isSymbol(Symbol.iterator);
 * // => true
 *
 * _.isSymbol('abc');
 * // => false
 */
function isSymbol(value) {
  return typeof value == 'symbol' ||
    (isObjectLike(value) && baseGetTag(value) == symbolTag);
}

module.exports = isSymbol;


/***/ }),

/***/ 4736:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var root = __webpack_require__(3056);

/**
 * Gets the timestamp of the number of milliseconds that have elapsed since
 * the Unix epoch (1 January 1970 00:00:00 UTC).
 *
 * @static
 * @memberOf _
 * @since 2.4.0
 * @category Date
 * @returns {number} Returns the timestamp.
 * @example
 *
 * _.defer(function(stamp) {
 *   console.log(_.now() - stamp);
 * }, _.now());
 * // => Logs the number of milliseconds it took for the deferred invocation.
 */
var now = function() {
  return root.Date.now();
};

module.exports = now;


/***/ }),

/***/ 9789:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var debounce = __webpack_require__(9412),
    isObject = __webpack_require__(7040);

/** Error message constants. */
var FUNC_ERROR_TEXT = 'Expected a function';

/**
 * Creates a throttled function that only invokes `func` at most once per
 * every `wait` milliseconds. The throttled function comes with a `cancel`
 * method to cancel delayed `func` invocations and a `flush` method to
 * immediately invoke them. Provide `options` to indicate whether `func`
 * should be invoked on the leading and/or trailing edge of the `wait`
 * timeout. The `func` is invoked with the last arguments provided to the
 * throttled function. Subsequent calls to the throttled function return the
 * result of the last `func` invocation.
 *
 * **Note:** If `leading` and `trailing` options are `true`, `func` is
 * invoked on the trailing edge of the timeout only if the throttled function
 * is invoked more than once during the `wait` timeout.
 *
 * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
 * until to the next tick, similar to `setTimeout` with a timeout of `0`.
 *
 * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
 * for details over the differences between `_.throttle` and `_.debounce`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Function
 * @param {Function} func The function to throttle.
 * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
 * @param {Object} [options={}] The options object.
 * @param {boolean} [options.leading=true]
 *  Specify invoking on the leading edge of the timeout.
 * @param {boolean} [options.trailing=true]
 *  Specify invoking on the trailing edge of the timeout.
 * @returns {Function} Returns the new throttled function.
 * @example
 *
 * // Avoid excessively updating the position while scrolling.
 * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
 *
 * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
 * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
 * jQuery(element).on('click', throttled);
 *
 * // Cancel the trailing throttled invocation.
 * jQuery(window).on('popstate', throttled.cancel);
 */
function throttle(func, wait, options) {
  var leading = true,
      trailing = true;

  if (typeof func != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  if (isObject(options)) {
    leading = 'leading' in options ? !!options.leading : leading;
    trailing = 'trailing' in options ? !!options.trailing : trailing;
  }
  return debounce(func, wait, {
    'leading': leading,
    'maxWait': wait,
    'trailing': trailing
  });
}

module.exports = throttle;


/***/ }),

/***/ 314:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseTrim = __webpack_require__(439),
    isObject = __webpack_require__(7040),
    isSymbol = __webpack_require__(7386);

/** Used as references for various `Number` constants. */
var NAN = 0 / 0;

/** Used to detect bad signed hexadecimal string values. */
var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;

/** Used to detect binary string values. */
var reIsBinary = /^0b[01]+$/i;

/** Used to detect octal string values. */
var reIsOctal = /^0o[0-7]+$/i;

/** Built-in method references without a dependency on `root`. */
var freeParseInt = parseInt;

/**
 * Converts `value` to a number.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to process.
 * @returns {number} Returns the number.
 * @example
 *
 * _.toNumber(3.2);
 * // => 3.2
 *
 * _.toNumber(Number.MIN_VALUE);
 * // => 5e-324
 *
 * _.toNumber(Infinity);
 * // => Infinity
 *
 * _.toNumber('3.2');
 * // => 3.2
 */
function toNumber(value) {
  if (typeof value == 'number') {
    return value;
  }
  if (isSymbol(value)) {
    return NAN;
  }
  if (isObject(value)) {
    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
    value = isObject(other) ? (other + '') : other;
  }
  if (typeof value != 'string') {
    return value === 0 ? value : +value;
  }
  value = baseTrim(value);
  var isBinary = reIsBinary.test(value);
  return (isBinary || reIsOctal.test(value))
    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
    : (reIsBadHex.test(value) ? NAN : +value);
}

module.exports = toNumber;


/***/ }),

/***/ 2497:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "Pi": () => (/* binding */ mobxreact_esm_observer)
});

// UNUSED EXPORTS: MobXProviderContext, Observer, PropTypes, Provider, disposeOnUnmount, enableStaticRendering, inject, isUsingStaticRendering, observerBatching, useAsObservableSource, useLocalObservable, useLocalStore, useObserver, useStaticRendering

// EXTERNAL MODULE: ./node_modules/mobx/dist/mobx.esm.js
var mobx_esm = __webpack_require__(1056);
// EXTERNAL MODULE: ./node_modules/react/index.js
var react = __webpack_require__(846);
;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/assertEnvironment.js


if (!react.useState) {
    throw new Error("mobx-react-lite requires React with Hooks support");
}
if (!mobx_esm/* makeObservable */.rC) {
    throw new Error("mobx-react-lite@3 requires mobx at least version 6 to be available");
}

// EXTERNAL MODULE: ./node_modules/react-dom/index.js
var react_dom = __webpack_require__(6644);
;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/reactBatchedUpdates.js


;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/observerBatching.js

function defaultNoopBatch(callback) {
    callback();
}
function observerBatching(reactionScheduler) {
    if (!reactionScheduler) {
        reactionScheduler = defaultNoopBatch;
        if (false) {}
    }
    (0,mobx_esm/* configure */.jQ)({ reactionScheduler: reactionScheduler });
}
var isObserverBatched = function () {
    if (false) {}
    return true;
};

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/printDebugValue.js

function printDebugValue(v) {
    return (0,mobx_esm/* getDependencyTree */.Gf)(v);
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/FinalizationRegistryWrapper.js
var FinalizationRegistryLocal = typeof FinalizationRegistry === "undefined" ? undefined : FinalizationRegistry;


;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/reactionCleanupTrackingCommon.js
function createTrackingData(reaction) {
    var trackingData = {
        reaction: reaction,
        mounted: false,
        changedBeforeMount: false,
        cleanAt: Date.now() + CLEANUP_LEAKED_REACTIONS_AFTER_MILLIS
    };
    return trackingData;
}
/**
 * The minimum time before we'll clean up a Reaction created in a render
 * for a component that hasn't managed to run its effects. This needs to
 * be big enough to ensure that a component won't turn up and have its
 * effects run without being re-rendered.
 */
var CLEANUP_LEAKED_REACTIONS_AFTER_MILLIS = 10000;
/**
 * The frequency with which we'll check for leaked reactions.
 */
var CLEANUP_TIMER_LOOP_MILLIS = 10000;

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/createReactionCleanupTrackingUsingFinalizationRegister.js

/**
 * FinalizationRegistry-based uncommitted reaction cleanup
 */
function createReactionCleanupTrackingUsingFinalizationRegister(FinalizationRegistry) {
    var cleanupTokenToReactionTrackingMap = new Map();
    var globalCleanupTokensCounter = 1;
    var registry = new FinalizationRegistry(function cleanupFunction(token) {
        var trackedReaction = cleanupTokenToReactionTrackingMap.get(token);
        if (trackedReaction) {
            trackedReaction.reaction.dispose();
            cleanupTokenToReactionTrackingMap.delete(token);
        }
    });
    return {
        addReactionToTrack: function (reactionTrackingRef, reaction, objectRetainedByReact) {
            var token = globalCleanupTokensCounter++;
            registry.register(objectRetainedByReact, token, reactionTrackingRef);
            reactionTrackingRef.current = createTrackingData(reaction);
            reactionTrackingRef.current.finalizationRegistryCleanupToken = token;
            cleanupTokenToReactionTrackingMap.set(token, reactionTrackingRef.current);
            return reactionTrackingRef.current;
        },
        recordReactionAsCommitted: function (reactionRef) {
            registry.unregister(reactionRef);
            if (reactionRef.current && reactionRef.current.finalizationRegistryCleanupToken) {
                cleanupTokenToReactionTrackingMap.delete(reactionRef.current.finalizationRegistryCleanupToken);
            }
        },
        forceCleanupTimerToRunNowForTests: function () {
            // When FinalizationRegistry in use, this this is no-op
        },
        resetCleanupScheduleForTests: function () {
            // When FinalizationRegistry in use, this this is no-op
        }
    };
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/createTimerBasedReactionCleanupTracking.js
var __values = (undefined && undefined.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};

/**
 * timers, gc-style, uncommitted reaction cleanup
 */
function createTimerBasedReactionCleanupTracking() {
    /**
     * Reactions created by components that have yet to be fully mounted.
     */
    var uncommittedReactionRefs = new Set();
    /**
     * Latest 'uncommitted reactions' cleanup timer handle.
     */
    var reactionCleanupHandle;
    /* istanbul ignore next */
    /**
     * Only to be used by test functions; do not export outside of mobx-react-lite
     */
    function forceCleanupTimerToRunNowForTests() {
        // This allows us to control the execution of the cleanup timer
        // to force it to run at awkward times in unit tests.
        if (reactionCleanupHandle) {
            clearTimeout(reactionCleanupHandle);
            cleanUncommittedReactions();
        }
    }
    /* istanbul ignore next */
    function resetCleanupScheduleForTests() {
        var e_1, _a;
        if (uncommittedReactionRefs.size > 0) {
            try {
                for (var uncommittedReactionRefs_1 = __values(uncommittedReactionRefs), uncommittedReactionRefs_1_1 = uncommittedReactionRefs_1.next(); !uncommittedReactionRefs_1_1.done; uncommittedReactionRefs_1_1 = uncommittedReactionRefs_1.next()) {
                    var ref = uncommittedReactionRefs_1_1.value;
                    var tracking = ref.current;
                    if (tracking) {
                        tracking.reaction.dispose();
                        ref.current = null;
                    }
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (uncommittedReactionRefs_1_1 && !uncommittedReactionRefs_1_1.done && (_a = uncommittedReactionRefs_1.return)) _a.call(uncommittedReactionRefs_1);
                }
                finally { if (e_1) throw e_1.error; }
            }
            uncommittedReactionRefs.clear();
        }
        if (reactionCleanupHandle) {
            clearTimeout(reactionCleanupHandle);
            reactionCleanupHandle = undefined;
        }
    }
    function ensureCleanupTimerRunning() {
        if (reactionCleanupHandle === undefined) {
            reactionCleanupHandle = setTimeout(cleanUncommittedReactions, CLEANUP_TIMER_LOOP_MILLIS);
        }
    }
    function scheduleCleanupOfReactionIfLeaked(ref) {
        uncommittedReactionRefs.add(ref);
        ensureCleanupTimerRunning();
    }
    function recordReactionAsCommitted(reactionRef) {
        uncommittedReactionRefs.delete(reactionRef);
    }
    /**
     * Run by the cleanup timer to dispose any outstanding reactions
     */
    function cleanUncommittedReactions() {
        reactionCleanupHandle = undefined;
        // Loop through all the candidate leaked reactions; those older
        // than CLEANUP_LEAKED_REACTIONS_AFTER_MILLIS get tidied.
        var now = Date.now();
        uncommittedReactionRefs.forEach(function (ref) {
            var tracking = ref.current;
            if (tracking) {
                if (now >= tracking.cleanAt) {
                    // It's time to tidy up this leaked reaction.
                    tracking.reaction.dispose();
                    ref.current = null;
                    uncommittedReactionRefs.delete(ref);
                }
            }
        });
        if (uncommittedReactionRefs.size > 0) {
            // We've just finished a round of cleanups but there are still
            // some leak candidates outstanding.
            ensureCleanupTimerRunning();
        }
    }
    return {
        addReactionToTrack: function (reactionTrackingRef, reaction, 
        /**
         * On timer based implementation we don't really need this object,
         * but we keep the same api
         */
        objectRetainedByReact) {
            reactionTrackingRef.current = createTrackingData(reaction);
            scheduleCleanupOfReactionIfLeaked(reactionTrackingRef);
            return reactionTrackingRef.current;
        },
        recordReactionAsCommitted: recordReactionAsCommitted,
        forceCleanupTimerToRunNowForTests: forceCleanupTimerToRunNowForTests,
        resetCleanupScheduleForTests: resetCleanupScheduleForTests
    };
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/utils/reactionCleanupTracking.js



var _a = FinalizationRegistryLocal
    ? createReactionCleanupTrackingUsingFinalizationRegister(FinalizationRegistryLocal)
    : createTimerBasedReactionCleanupTracking(), addReactionToTrack = _a.addReactionToTrack, recordReactionAsCommitted = _a.recordReactionAsCommitted, resetCleanupScheduleForTests = _a.resetCleanupScheduleForTests, forceCleanupTimerToRunNowForTests = _a.forceCleanupTimerToRunNowForTests;


;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/staticRendering.js
var globalIsUsingStaticRendering = false;
function staticRendering_enableStaticRendering(enable) {
    globalIsUsingStaticRendering = enable;
}
function isUsingStaticRendering() {
    return globalIsUsingStaticRendering;
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/useObserver.js
var __read = (undefined && undefined.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};





function observerComponentNameFor(baseComponentName) {
    return "observer".concat(baseComponentName);
}
/**
 * We use class to make it easier to detect in heap snapshots by name
 */
var ObjectToBeRetainedByReact = /** @class */ (function () {
    function ObjectToBeRetainedByReact() {
    }
    return ObjectToBeRetainedByReact;
}());
function objectToBeRetainedByReactFactory() {
    return new ObjectToBeRetainedByReact();
}
function useObserver(fn, baseComponentName) {
    if (baseComponentName === void 0) { baseComponentName = "observed"; }
    if (isUsingStaticRendering()) {
        return fn();
    }
    var _a = __read(react.useState(objectToBeRetainedByReactFactory), 1), objectRetainedByReact = _a[0];
    // Force update, see #2982
    var _b = __read(react.useState(), 2), setState = _b[1];
    var forceUpdate = function () { return setState([]); };
    // StrictMode/ConcurrentMode/Suspense may mean that our component is
    // rendered and abandoned multiple times, so we need to track leaked
    // Reactions.
    var reactionTrackingRef = react.useRef(null);
    if (!reactionTrackingRef.current) {
        // First render for this component (or first time since a previous
        // reaction from an abandoned render was disposed).
        var newReaction = new mobx_esm/* Reaction */.le(observerComponentNameFor(baseComponentName), function () {
            // Observable has changed, meaning we want to re-render
            // BUT if we're a component that hasn't yet got to the useEffect()
            // stage, we might be a component that _started_ to render, but
            // got dropped, and we don't want to make state changes then.
            // (It triggers warnings in StrictMode, for a start.)
            if (trackingData_1.mounted) {
                // We have reached useEffect(), so we're mounted, and can trigger an update
                forceUpdate();
            }
            else {
                // We haven't yet reached useEffect(), so we'll need to trigger a re-render
                // when (and if) useEffect() arrives.
                trackingData_1.changedBeforeMount = true;
            }
        });
        var trackingData_1 = addReactionToTrack(reactionTrackingRef, newReaction, objectRetainedByReact);
    }
    var reaction = reactionTrackingRef.current.reaction;
    react.useDebugValue(reaction, printDebugValue);
    react.useEffect(function () {
        // Called on first mount only
        recordReactionAsCommitted(reactionTrackingRef);
        if (reactionTrackingRef.current) {
            // Great. We've already got our reaction from our render;
            // all we need to do is to record that it's now mounted,
            // to allow future observable changes to trigger re-renders
            reactionTrackingRef.current.mounted = true;
            // Got a change before first mount, force an update
            if (reactionTrackingRef.current.changedBeforeMount) {
                reactionTrackingRef.current.changedBeforeMount = false;
                forceUpdate();
            }
        }
        else {
            // The reaction we set up in our render has been disposed.
            // This can be due to bad timings of renderings, e.g. our
            // component was paused for a _very_ long time, and our
            // reaction got cleaned up
            // Re-create the reaction
            reactionTrackingRef.current = {
                reaction: new mobx_esm/* Reaction */.le(observerComponentNameFor(baseComponentName), function () {
                    // We've definitely already been mounted at this point
                    forceUpdate();
                }),
                mounted: true,
                changedBeforeMount: false,
                cleanAt: Infinity
            };
            forceUpdate();
        }
        return function () {
            reactionTrackingRef.current.reaction.dispose();
            reactionTrackingRef.current = null;
        };
    }, []);
    // render the original component, but have the
    // reaction track the observables, so that rendering
    // can be invalidated (see above) once a dependency changes
    var rendering;
    var exception;
    reaction.track(function () {
        try {
            rendering = fn();
        }
        catch (e) {
            exception = e;
        }
    });
    if (exception) {
        throw exception; // re-throw any exceptions caught during rendering
    }
    return rendering;
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/observer.js



var warnObserverOptionsDeprecated = true;
var hasSymbol = typeof Symbol === "function" && Symbol.for;
// Using react-is had some issues (and operates on elements, not on types), see #608 / #609
var ReactForwardRefSymbol = hasSymbol
    ? Symbol.for("react.forward_ref")
    : typeof react.forwardRef === "function" && (0,react.forwardRef)(function (props) { return null; })["$$typeof"];
var ReactMemoSymbol = hasSymbol
    ? Symbol.for("react.memo")
    : typeof react.memo === "function" && (0,react.memo)(function (props) { return null; })["$$typeof"];
// n.b. base case is not used for actual typings or exported in the typing files
function observer(baseComponent, 
// TODO remove in next major
options) {
    var _a;
    if (false) {}
    if (ReactMemoSymbol && baseComponent["$$typeof"] === ReactMemoSymbol) {
        throw new Error("[mobx-react-lite] You are trying to use `observer` on a function component wrapped in either another `observer` or `React.memo`. The observer already applies 'React.memo' for you.");
    }
    // The working of observer is explained step by step in this talk: https://www.youtube.com/watch?v=cPF4iBedoF0&feature=youtu.be&t=1307
    if (isUsingStaticRendering()) {
        return baseComponent;
    }
    var useForwardRef = (_a = options === null || options === void 0 ? void 0 : options.forwardRef) !== null && _a !== void 0 ? _a : false;
    var render = baseComponent;
    var baseComponentName = baseComponent.displayName || baseComponent.name;
    // If already wrapped with forwardRef, unwrap,
    // so we can patch render and apply memo
    if (ReactForwardRefSymbol && baseComponent["$$typeof"] === ReactForwardRefSymbol) {
        useForwardRef = true;
        render = baseComponent["render"];
        if (typeof render !== "function") {
            throw new Error("[mobx-react-lite] `render` property of ForwardRef was not a function");
        }
    }
    var observerComponent = function (props, ref) {
        return useObserver(function () { return render(props, ref); }, baseComponentName);
    };
    // Don't set `displayName` for anonymous components,
    // so the `displayName` can be customized by user, see #3192.
    if (baseComponentName !== "") {
        ;
        observerComponent.displayName = baseComponentName;
    }
    // Support legacy context: `contextTypes` must be applied before `memo`
    if (baseComponent.contextTypes) {
        ;
        observerComponent.contextTypes = baseComponent.contextTypes;
    }
    if (useForwardRef) {
        // `forwardRef` must be applied prior `memo`
        // `forwardRef(observer(cmp))` throws:
        // "forwardRef requires a render function but received a `memo` component. Instead of forwardRef(memo(...)), use memo(forwardRef(...))"
        observerComponent = (0,react.forwardRef)(observerComponent);
    }
    // memo; we are not interested in deep updates
    // in props; we assume that if deep objects are changed,
    // this is in observables, which would have been tracked anyway
    observerComponent = (0,react.memo)(observerComponent);
    copyStaticProperties(baseComponent, observerComponent);
    if (false) {}
    return observerComponent;
}
// based on https://github.com/mridgway/hoist-non-react-statics/blob/master/src/index.js
var hoistBlackList = {
    $$typeof: true,
    render: true,
    compare: true,
    type: true,
    // Don't redefine `displayName`,
    // it's defined as getter-setter pair on `memo` (see #3192).
    displayName: true
};
function copyStaticProperties(base, target) {
    Object.keys(base).forEach(function (key) {
        if (!hoistBlackList[key]) {
            Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(base, key));
        }
    });
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/ObserverComponent.js

function ObserverComponent(_a) {
    var children = _a.children, render = _a.render;
    var component = children || render;
    if (typeof component !== "function") {
        return null;
    }
    return useObserver(component);
}
if (false) {}
ObserverComponent.displayName = "Observer";

function ObserverPropsCheck(props, key, componentName, location, propFullName) {
    var extraKey = key === "children" ? "render" : "children";
    var hasProp = typeof props[key] === "function";
    var hasExtraProp = typeof props[extraKey] === "function";
    if (hasProp && hasExtraProp) {
        return new Error("MobX Observer: Do not use children and render in the same time in`" + componentName);
    }
    if (hasProp || hasExtraProp) {
        return null;
    }
    return new Error("Invalid prop `" +
        propFullName +
        "` of type `" +
        typeof props[key] +
        "` supplied to" +
        " `" +
        componentName +
        "`, expected `function`.");
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/useLocalObservable.js


function useLocalObservable(initializer, annotations) {
    return useState(function () { return observable(initializer(), annotations, { autoBind: true }); })[0];
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/useAsObservableSource.js
var useAsObservableSource_read = (undefined && undefined.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};



function useAsObservableSource_useAsObservableSource(current) {
    if (false)
        {}
    var _a = useAsObservableSource_read(useState(function () { return observable(current, {}, { deep: false }); }), 1), res = _a[0];
    runInAction(function () {
        Object.assign(res, current);
    });
    return res;
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/useLocalStore.js




function useLocalStore(initializer, current) {
    if (false)
        {}
    var source = current && useAsObservableSource(current);
    return useState(function () { return observable(initializer(source), undefined, { autoBind: true }); })[0];
}

;// CONCATENATED MODULE: ./node_modules/mobx-react-lite/es/index.js






observerBatching(react_dom.unstable_batchedUpdates);







function es_useObserver(fn, baseComponentName) {
    if (baseComponentName === void 0) { baseComponentName = "observed"; }
    if (false) {}
    return useObserverOriginal(fn, baseComponentName);
}

function useStaticRendering(enable) {
    if (false) {}
    enableStaticRendering(enable);
}

;// CONCATENATED MODULE: ./node_modules/mobx-react/dist/mobxreact.esm.js





var symbolId = 0;

function createSymbol(name) {
  if (typeof Symbol === "function") {
    return Symbol(name);
  }

  var symbol = "__$mobx-react " + name + " (" + symbolId + ")";
  symbolId++;
  return symbol;
}

var createdSymbols = {};
function newSymbol(name) {
  if (!createdSymbols[name]) {
    createdSymbols[name] = createSymbol(name);
  }

  return createdSymbols[name];
}
function shallowEqual(objA, objB) {
  //From: https://github.com/facebook/fbjs/blob/c69904a511b900266935168223063dd8772dfc40/packages/fbjs/src/core/shallowEqual.js
  if (is(objA, objB)) {
    return true;
  }

  if (typeof objA !== "object" || objA === null || typeof objB !== "object" || objB === null) {
    return false;
  }

  var keysA = Object.keys(objA);
  var keysB = Object.keys(objB);

  if (keysA.length !== keysB.length) {
    return false;
  }

  for (var i = 0; i < keysA.length; i++) {
    if (!Object.hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
      return false;
    }
  }

  return true;
}

function is(x, y) {
  // From: https://github.com/facebook/fbjs/blob/c69904a511b900266935168223063dd8772dfc40/packages/fbjs/src/core/shallowEqual.js
  if (x === y) {
    return x !== 0 || 1 / x === 1 / y;
  } else {
    return x !== x && y !== y;
  }
} // based on https://github.com/mridgway/hoist-non-react-statics/blob/master/src/index.js


var mobxreact_esm_hoistBlackList = {
  $$typeof: 1,
  render: 1,
  compare: 1,
  type: 1,
  childContextTypes: 1,
  contextType: 1,
  contextTypes: 1,
  defaultProps: 1,
  getDefaultProps: 1,
  getDerivedStateFromError: 1,
  getDerivedStateFromProps: 1,
  mixins: 1,
  displayName: 1,
  propTypes: 1
};
function mobxreact_esm_copyStaticProperties(base, target) {
  var protoProps = Object.getOwnPropertyNames(Object.getPrototypeOf(base));
  Object.getOwnPropertyNames(base).forEach(function (key) {
    if (!mobxreact_esm_hoistBlackList[key] && protoProps.indexOf(key) === -1) {
      Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(base, key));
    }
  });
}
/**
 * Helper to set `prop` to `this` as non-enumerable (hidden prop)
 * @param target
 * @param prop
 * @param value
 */

function setHiddenProp(target, prop, value) {
  if (!Object.hasOwnProperty.call(target, prop)) {
    Object.defineProperty(target, prop, {
      enumerable: false,
      configurable: true,
      writable: true,
      value: value
    });
  } else {
    target[prop] = value;
  }
}
/**
 * Utilities for patching componentWillUnmount, to make sure @disposeOnUnmount works correctly icm with user defined hooks
 * and the handler provided by mobx-react
 */

var mobxMixins = /*#__PURE__*/newSymbol("patchMixins");
var mobxPatchedDefinition = /*#__PURE__*/newSymbol("patchedDefinition");

function getMixins(target, methodName) {
  var mixins = target[mobxMixins] = target[mobxMixins] || {};
  var methodMixins = mixins[methodName] = mixins[methodName] || {};
  methodMixins.locks = methodMixins.locks || 0;
  methodMixins.methods = methodMixins.methods || [];
  return methodMixins;
}

function wrapper(realMethod, mixins) {
  var _this = this;

  for (var _len = arguments.length, args = new Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
    args[_key - 2] = arguments[_key];
  }

  // locks are used to ensure that mixins are invoked only once per invocation, even on recursive calls
  mixins.locks++;

  try {
    var retVal;

    if (realMethod !== undefined && realMethod !== null) {
      retVal = realMethod.apply(this, args);
    }

    return retVal;
  } finally {
    mixins.locks--;

    if (mixins.locks === 0) {
      mixins.methods.forEach(function (mx) {
        mx.apply(_this, args);
      });
    }
  }
}

function wrapFunction(realMethod, mixins) {
  var fn = function fn() {
    for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      args[_key2] = arguments[_key2];
    }

    wrapper.call.apply(wrapper, [this, realMethod, mixins].concat(args));
  };

  return fn;
}

function patch(target, methodName, mixinMethod) {
  var mixins = getMixins(target, methodName);

  if (mixins.methods.indexOf(mixinMethod) < 0) {
    mixins.methods.push(mixinMethod);
  }

  var oldDefinition = Object.getOwnPropertyDescriptor(target, methodName);

  if (oldDefinition && oldDefinition[mobxPatchedDefinition]) {
    // already patched definition, do not repatch
    return;
  }

  var originalMethod = target[methodName];
  var newDefinition = createDefinition(target, methodName, oldDefinition ? oldDefinition.enumerable : undefined, mixins, originalMethod);
  Object.defineProperty(target, methodName, newDefinition);
}

function createDefinition(target, methodName, enumerable, mixins, originalMethod) {
  var _ref;

  var wrappedFunc = wrapFunction(originalMethod, mixins);
  return _ref = {}, _ref[mobxPatchedDefinition] = true, _ref.get = function get() {
    return wrappedFunc;
  }, _ref.set = function set(value) {
    if (this === target) {
      wrappedFunc = wrapFunction(value, mixins);
    } else {
      // when it is an instance of the prototype/a child prototype patch that particular case again separately
      // since we need to store separate values depending on wether it is the actual instance, the prototype, etc
      // e.g. the method for super might not be the same as the method for the prototype which might be not the same
      // as the method for the instance
      var newDefinition = createDefinition(this, methodName, enumerable, mixins, value);
      Object.defineProperty(this, methodName, newDefinition);
    }
  }, _ref.configurable = true, _ref.enumerable = enumerable, _ref;
}

var mobxAdminProperty = mobx_esm/* $mobx */.so || "$mobx";
var mobxObserverProperty = /*#__PURE__*/newSymbol("isMobXReactObserver");
var mobxIsUnmounted = /*#__PURE__*/newSymbol("isUnmounted");
var skipRenderKey = /*#__PURE__*/newSymbol("skipRender");
var isForcingUpdateKey = /*#__PURE__*/newSymbol("isForcingUpdate");
function makeClassComponentObserver(componentClass) {
  var target = componentClass.prototype;

  if (componentClass[mobxObserverProperty]) {
    var displayName = getDisplayName(target);
    console.warn("The provided component class (" + displayName + ") \n                has already been declared as an observer component.");
  } else {
    componentClass[mobxObserverProperty] = true;
  }

  if (target.componentWillReact) throw new Error("The componentWillReact life-cycle event is no longer supported");

  if (componentClass["__proto__"] !== react.PureComponent) {
    if (!target.shouldComponentUpdate) target.shouldComponentUpdate = observerSCU;else if (target.shouldComponentUpdate !== observerSCU) // n.b. unequal check, instead of existence check, as @observer might be on superclass as well
      throw new Error("It is not allowed to use shouldComponentUpdate in observer based components.");
  } // this.props and this.state are made observable, just to make sure @computed fields that
  // are defined inside the component, and which rely on state or props, re-compute if state or props change
  // (otherwise the computed wouldn't update and become stale on props change, since props are not observable)
  // However, this solution is not without it's own problems: https://github.com/mobxjs/mobx-react/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3Aobservable-props-or-not+


  makeObservableProp(target, "props");
  makeObservableProp(target, "state");
  var baseRender = target.render;

  if (typeof baseRender !== "function") {
    var _displayName = getDisplayName(target);

    throw new Error("[mobx-react] class component (" + _displayName + ") is missing `render` method." + "\n`observer` requires `render` being a function defined on prototype." + "\n`render = () => {}` or `render = function() {}` is not supported.");
  }

  target.render = function () {
    return makeComponentReactive.call(this, baseRender);
  };

  patch(target, "componentWillUnmount", function () {
    var _this$render$mobxAdmi;

    if (isUsingStaticRendering() === true) return;
    (_this$render$mobxAdmi = this.render[mobxAdminProperty]) == null ? void 0 : _this$render$mobxAdmi.dispose();
    this[mobxIsUnmounted] = true;

    if (!this.render[mobxAdminProperty]) {
      // Render may have been hot-swapped and/or overriden by a subclass.
      var _displayName2 = getDisplayName(this);

      console.warn("The reactive render of an observer class component (" + _displayName2 + ") \n                was overriden after MobX attached. This may result in a memory leak if the \n                overriden reactive render was not properly disposed.");
    }
  });
  return componentClass;
} // Generates a friendly name for debugging

function getDisplayName(comp) {
  return comp.displayName || comp.name || comp.constructor && (comp.constructor.displayName || comp.constructor.name) || "<component>";
}

function makeComponentReactive(render) {
  var _this = this;

  if (isUsingStaticRendering() === true) return render.call(this);
  /**
   * If props are shallowly modified, react will render anyway,
   * so atom.reportChanged() should not result in yet another re-render
   */

  setHiddenProp(this, skipRenderKey, false);
  /**
   * forceUpdate will re-assign this.props. We don't want that to cause a loop,
   * so detect these changes
   */

  setHiddenProp(this, isForcingUpdateKey, false);
  var initialName = getDisplayName(this);
  var baseRender = render.bind(this);
  var isRenderingPending = false;
  var reaction = new mobx_esm/* Reaction */.le(initialName + ".render()", function () {
    if (!isRenderingPending) {
      // N.B. Getting here *before mounting* means that a component constructor has side effects (see the relevant test in misc.js)
      // This unidiomatic React usage but React will correctly warn about this so we continue as usual
      // See #85 / Pull #44
      isRenderingPending = true;

      if (_this[mobxIsUnmounted] !== true) {
        var hasError = true;

        try {
          setHiddenProp(_this, isForcingUpdateKey, true);
          if (!_this[skipRenderKey]) react.Component.prototype.forceUpdate.call(_this);
          hasError = false;
        } finally {
          setHiddenProp(_this, isForcingUpdateKey, false);
          if (hasError) reaction.dispose();
        }
      }
    }
  });
  reaction["reactComponent"] = this;
  reactiveRender[mobxAdminProperty] = reaction;
  this.render = reactiveRender;

  function reactiveRender() {
    isRenderingPending = false;
    var exception = undefined;
    var rendering = undefined;
    reaction.track(function () {
      try {
        rendering = (0,mobx_esm/* _allowStateChanges */.$$)(false, baseRender);
      } catch (e) {
        exception = e;
      }
    });

    if (exception) {
      throw exception;
    }

    return rendering;
  }

  return reactiveRender.call(this);
}

function observerSCU(nextProps, nextState) {
  if (isUsingStaticRendering()) {
    console.warn("[mobx-react] It seems that a re-rendering of a React component is triggered while in static (server-side) mode. Please make sure components are rendered only once server-side.");
  } // update on any state changes (as is the default)


  if (this.state !== nextState) {
    return true;
  } // update if props are shallowly not equal, inspired by PureRenderMixin
  // we could return just 'false' here, and avoid the `skipRender` checks etc
  // however, it is nicer if lifecycle events are triggered like usually,
  // so we return true here if props are shallowly modified.


  return !shallowEqual(this.props, nextProps);
}

function makeObservableProp(target, propName) {
  var valueHolderKey = newSymbol("reactProp_" + propName + "_valueHolder");
  var atomHolderKey = newSymbol("reactProp_" + propName + "_atomHolder");

  function getAtom() {
    if (!this[atomHolderKey]) {
      setHiddenProp(this, atomHolderKey, (0,mobx_esm/* createAtom */.cp)("reactive " + propName));
    }

    return this[atomHolderKey];
  }

  Object.defineProperty(target, propName, {
    configurable: true,
    enumerable: true,
    get: function get() {
      var prevReadState = false; // Why this check? BC?
      // @ts-expect-error

      if (mobx_esm/* _allowStateReadsStart */.wM && mobx_esm/* _allowStateReadsEnd */.mJ) {
        prevReadState = (0,mobx_esm/* _allowStateReadsStart */.wM)(true);
      }

      getAtom.call(this).reportObserved(); // Why this check? BC?
      // @ts-expect-error

      if (mobx_esm/* _allowStateReadsStart */.wM && mobx_esm/* _allowStateReadsEnd */.mJ) {
        (0,mobx_esm/* _allowStateReadsEnd */.mJ)(prevReadState);
      }

      return this[valueHolderKey];
    },
    set: function set(v) {
      if (!this[isForcingUpdateKey] && !shallowEqual(this[valueHolderKey], v)) {
        setHiddenProp(this, valueHolderKey, v);
        setHiddenProp(this, skipRenderKey, true);
        getAtom.call(this).reportChanged();
        setHiddenProp(this, skipRenderKey, false);
      } else {
        setHiddenProp(this, valueHolderKey, v);
      }
    }
  });
}

/**
 * Observer function / decorator
 */

function mobxreact_esm_observer(component) {
  if (component["isMobxInjector"] === true) {
    console.warn("Mobx observer: You are trying to use `observer` on a component that already has `inject`. Please apply `observer` before applying `inject`");
  }

  if (Object.prototype.isPrototypeOf.call(react.Component, component) || Object.prototype.isPrototypeOf.call(react.PureComponent, component)) {
    // Class component
    return makeClassComponentObserver(component);
  } else {
    // Function component
    return observer(component);
  }
}

function _extends() {
  _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };

  return _extends.apply(this, arguments);
}

function _objectWithoutPropertiesLoose(source, excluded) {
  if (source == null) return {};
  var target = {};
  var sourceKeys = Object.keys(source);
  var key, i;

  for (i = 0; i < sourceKeys.length; i++) {
    key = sourceKeys[i];
    if (excluded.indexOf(key) >= 0) continue;
    target[key] = source[key];
  }

  return target;
}

var _excluded = ["children"];
var MobXProviderContext = /*#__PURE__*/react.createContext({});
function Provider(props) {
  var children = props.children,
      stores = _objectWithoutPropertiesLoose(props, _excluded);

  var parentValue = react.useContext(MobXProviderContext);
  var mutableProviderRef = react.useRef(_extends({}, parentValue, stores));
  var value = mutableProviderRef.current;

  if (false) { var newValue; }

  return react.createElement(MobXProviderContext.Provider, {
    value: value
  }, children);
}
Provider.displayName = "MobXProvider";

/**
 * Store Injection
 */

function createStoreInjector(grabStoresFn, component, injectNames, makeReactive) {
  // Support forward refs
  var Injector = React__default.forwardRef(function (props, ref) {
    var newProps = _extends({}, props);

    var context = React__default.useContext(MobXProviderContext);
    Object.assign(newProps, grabStoresFn(context || {}, newProps) || {});

    if (ref) {
      newProps.ref = ref;
    }

    return React__default.createElement(component, newProps);
  });
  if (makeReactive) Injector = mobxreact_esm_observer(Injector);
  Injector["isMobxInjector"] = true; // assigned late to suppress observer warning
  // Static fields from component should be visible on the generated Injector

  mobxreact_esm_copyStaticProperties(component, Injector);
  Injector["wrappedComponent"] = component;
  Injector.displayName = getInjectName(component, injectNames);
  return Injector;
}

function getInjectName(component, injectNames) {
  var displayName;
  var componentName = component.displayName || component.name || component.constructor && component.constructor.name || "Component";
  if (injectNames) displayName = "inject-with-" + injectNames + "(" + componentName + ")";else displayName = "inject(" + componentName + ")";
  return displayName;
}

function grabStoresByName(storeNames) {
  return function (baseStores, nextProps) {
    storeNames.forEach(function (storeName) {
      if (storeName in nextProps // prefer props over stores
      ) return;
      if (!(storeName in baseStores)) throw new Error("MobX injector: Store '" + storeName + "' is not available! Make sure it is provided by some Provider");
      nextProps[storeName] = baseStores[storeName];
    });
    return nextProps;
  };
}
/**
 * higher order component that injects stores to a child.
 * takes either a varargs list of strings, which are stores read from the context,
 * or a function that manually maps the available stores from the context to props:
 * storesToProps(mobxStores, props, context) => newProps
 */


function inject() {
  for (var _len = arguments.length, storeNames = new Array(_len), _key = 0; _key < _len; _key++) {
    storeNames[_key] = arguments[_key];
  }

  if (typeof arguments[0] === "function") {
    var grabStoresFn = arguments[0];
    return function (componentClass) {
      return createStoreInjector(grabStoresFn, componentClass, grabStoresFn.name, true);
    };
  } else {
    return function (componentClass) {
      return createStoreInjector(grabStoresByName(storeNames), componentClass, storeNames.join("-"), false);
    };
  }
}

var protoStoreKey = /*#__PURE__*/(/* unused pure expression or super */ null && (newSymbol("disposeOnUnmountProto")));
var instStoreKey = /*#__PURE__*/(/* unused pure expression or super */ null && (newSymbol("disposeOnUnmountInst")));

function runDisposersOnWillUnmount() {
  var _this = this;
  [].concat(this[protoStoreKey] || [], this[instStoreKey] || []).forEach(function (propKeyOrFunction) {
    var prop = typeof propKeyOrFunction === "string" ? _this[propKeyOrFunction] : propKeyOrFunction;

    if (prop !== undefined && prop !== null) {
      if (Array.isArray(prop)) prop.map(function (f) {
        return f();
      });else prop();
    }
  });
}

function disposeOnUnmount(target, propertyKeyOrFunction) {
  if (Array.isArray(propertyKeyOrFunction)) {
    return propertyKeyOrFunction.map(function (fn) {
      return disposeOnUnmount(target, fn);
    });
  }

  var c = Object.getPrototypeOf(target).constructor;
  var c2 = Object.getPrototypeOf(target.constructor); // Special case for react-hot-loader

  var c3 = Object.getPrototypeOf(Object.getPrototypeOf(target));

  if (!(c === React__default.Component || c === React__default.PureComponent || c2 === React__default.Component || c2 === React__default.PureComponent || c3 === React__default.Component || c3 === React__default.PureComponent)) {
    throw new Error("[mobx-react] disposeOnUnmount only supports direct subclasses of React.Component or React.PureComponent.");
  }

  if (typeof propertyKeyOrFunction !== "string" && typeof propertyKeyOrFunction !== "function" && !Array.isArray(propertyKeyOrFunction)) {
    throw new Error("[mobx-react] disposeOnUnmount only works if the parameter is either a property key or a function.");
  } // decorator's target is the prototype, so it doesn't have any instance properties like props


  var isDecorator = typeof propertyKeyOrFunction === "string"; // add property key / function we want run (disposed) to the store

  var componentWasAlreadyModified = !!target[protoStoreKey] || !!target[instStoreKey];
  var store = isDecorator ? // decorators are added to the prototype store
  target[protoStoreKey] || (target[protoStoreKey] = []) : // functions are added to the instance store
  target[instStoreKey] || (target[instStoreKey] = []);
  store.push(propertyKeyOrFunction); // tweak the component class componentWillUnmount if not done already

  if (!componentWasAlreadyModified) {
    patch(target, "componentWillUnmount", runDisposersOnWillUnmount);
  } // return the disposer as is if invoked as a non decorator


  if (typeof propertyKeyOrFunction !== "string") {
    return propertyKeyOrFunction;
  }
}

function createChainableTypeChecker(validator) {
  function checkType(isRequired, props, propName, componentName, location, propFullName) {
    for (var _len = arguments.length, rest = new Array(_len > 6 ? _len - 6 : 0), _key = 6; _key < _len; _key++) {
      rest[_key - 6] = arguments[_key];
    }

    return (0,mobx_esm/* untracked */.rg)(function () {
      componentName = componentName || "<<anonymous>>";
      propFullName = propFullName || propName;

      if (props[propName] == null) {
        if (isRequired) {
          var actual = props[propName] === null ? "null" : "undefined";
          return new Error("The " + location + " `" + propFullName + "` is marked as required " + "in `" + componentName + "`, but its value is `" + actual + "`.");
        }

        return null;
      } else {
        // @ts-ignore rest arg is necessary for some React internals - fails tests otherwise
        return validator.apply(void 0, [props, propName, componentName, location, propFullName].concat(rest));
      }
    });
  }

  var chainedCheckType = checkType.bind(null, false); // Add isRequired to satisfy Requirable

  chainedCheckType.isRequired = checkType.bind(null, true);
  return chainedCheckType;
} // Copied from React.PropTypes


function isSymbol(propType, propValue) {
  // Native Symbol.
  if (propType === "symbol") {
    return true;
  } // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'


  if (propValue["@@toStringTag"] === "Symbol") {
    return true;
  } // Fallback for non-spec compliant Symbols which are polyfilled.


  if (typeof Symbol === "function" && propValue instanceof Symbol) {
    return true;
  }

  return false;
} // Copied from React.PropTypes


function getPropType(propValue) {
  var propType = typeof propValue;

  if (Array.isArray(propValue)) {
    return "array";
  }

  if (propValue instanceof RegExp) {
    // Old webkits (at least until Android 4.0) return 'function' rather than
    // 'object' for typeof a RegExp. We'll normalize this here so that /bla/
    // passes PropTypes.object.
    return "object";
  }

  if (isSymbol(propType, propValue)) {
    return "symbol";
  }

  return propType;
} // This handles more types than `getPropType`. Only used for error messages.
// Copied from React.PropTypes


function getPreciseType(propValue) {
  var propType = getPropType(propValue);

  if (propType === "object") {
    if (propValue instanceof Date) {
      return "date";
    } else if (propValue instanceof RegExp) {
      return "regexp";
    }
  }

  return propType;
}

function createObservableTypeCheckerCreator(allowNativeType, mobxType) {
  return createChainableTypeChecker(function (props, propName, componentName, location, propFullName) {
    return (0,mobx_esm/* untracked */.rg)(function () {
      if (allowNativeType) {
        if (getPropType(props[propName]) === mobxType.toLowerCase()) return null;
      }

      var mobxChecker;

      switch (mobxType) {
        case "Array":
          mobxChecker = mobx_esm/* isObservableArray */.Ei;
          break;

        case "Object":
          mobxChecker = mobx_esm/* isObservableObject */.Pb;
          break;

        case "Map":
          mobxChecker = mobx_esm/* isObservableMap */.LJ;
          break;

        default:
          throw new Error("Unexpected mobxType: " + mobxType);
      }

      var propValue = props[propName];

      if (!mobxChecker(propValue)) {
        var preciseType = getPreciseType(propValue);
        var nativeTypeExpectationMessage = allowNativeType ? " or javascript `" + mobxType.toLowerCase() + "`" : "";
        return new Error("Invalid prop `" + propFullName + "` of type `" + preciseType + "` supplied to" + " `" + componentName + "`, expected `mobx.Observable" + mobxType + "`" + nativeTypeExpectationMessage + ".");
      }

      return null;
    });
  });
}

function createObservableArrayOfTypeChecker(allowNativeType, typeChecker) {
  return createChainableTypeChecker(function (props, propName, componentName, location, propFullName) {
    for (var _len2 = arguments.length, rest = new Array(_len2 > 5 ? _len2 - 5 : 0), _key2 = 5; _key2 < _len2; _key2++) {
      rest[_key2 - 5] = arguments[_key2];
    }

    return (0,mobx_esm/* untracked */.rg)(function () {
      if (typeof typeChecker !== "function") {
        return new Error("Property `" + propFullName + "` of component `" + componentName + "` has " + "invalid PropType notation.");
      } else {
        var error = createObservableTypeCheckerCreator(allowNativeType, "Array")(props, propName, componentName, location, propFullName);
        if (error instanceof Error) return error;
        var propValue = props[propName];

        for (var i = 0; i < propValue.length; i++) {
          error = typeChecker.apply(void 0, [propValue, i, componentName, location, propFullName + "[" + i + "]"].concat(rest));
          if (error instanceof Error) return error;
        }

        return null;
      }
    });
  });
}

var observableArray = /*#__PURE__*/createObservableTypeCheckerCreator(false, "Array");
var observableArrayOf = /*#__PURE__*/createObservableArrayOfTypeChecker.bind(null, false);
var observableMap = /*#__PURE__*/createObservableTypeCheckerCreator(false, "Map");
var observableObject = /*#__PURE__*/createObservableTypeCheckerCreator(false, "Object");
var arrayOrObservableArray = /*#__PURE__*/createObservableTypeCheckerCreator(true, "Array");
var arrayOrObservableArrayOf = /*#__PURE__*/createObservableArrayOfTypeChecker.bind(null, true);
var objectOrObservableObject = /*#__PURE__*/createObservableTypeCheckerCreator(true, "Object");
var PropTypes = {
  observableArray: observableArray,
  observableArrayOf: observableArrayOf,
  observableMap: observableMap,
  observableObject: observableObject,
  arrayOrObservableArray: arrayOrObservableArray,
  arrayOrObservableArrayOf: arrayOrObservableArrayOf,
  objectOrObservableObject: objectOrObservableObject
};

if (!react.Component) throw new Error("mobx-react requires React to be available");
if (!mobx_esm/* observable */.LO) throw new Error("mobx-react requires mobx to be available");




/***/ }),

/***/ 5491:
/***/ ((module) => {

"use strict";


var stylesInDOM = [];

function getIndexByIdentifier(identifier) {
  var result = -1;

  for (var i = 0; i < stylesInDOM.length; i++) {
    if (stylesInDOM[i].identifier === identifier) {
      result = i;
      break;
    }
  }

  return result;
}

function modulesToDom(list, options) {
  var idCountMap = {};
  var identifiers = [];

  for (var i = 0; i < list.length; i++) {
    var item = list[i];
    var id = options.base ? item[0] + options.base : item[0];
    var count = idCountMap[id] || 0;
    var identifier = "".concat(id, " ").concat(count);
    idCountMap[id] = count + 1;
    var indexByIdentifier = getIndexByIdentifier(identifier);
    var obj = {
      css: item[1],
      media: item[2],
      sourceMap: item[3],
      supports: item[4],
      layer: item[5]
    };

    if (indexByIdentifier !== -1) {
      stylesInDOM[indexByIdentifier].references++;
      stylesInDOM[indexByIdentifier].updater(obj);
    } else {
      var updater = addElementStyle(obj, options);
      options.byIndex = i;
      stylesInDOM.splice(i, 0, {
        identifier: identifier,
        updater: updater,
        references: 1
      });
    }

    identifiers.push(identifier);
  }

  return identifiers;
}

function addElementStyle(obj, options) {
  var api = options.domAPI(options);
  api.update(obj);

  var updater = function updater(newObj) {
    if (newObj) {
      if (newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap && newObj.supports === obj.supports && newObj.layer === obj.layer) {
        return;
      }

      api.update(obj = newObj);
    } else {
      api.remove();
    }
  };

  return updater;
}

module.exports = function (list, options) {
  options = options || {};
  list = list || [];
  var lastIdentifiers = modulesToDom(list, options);
  return function update(newList) {
    newList = newList || [];

    for (var i = 0; i < lastIdentifiers.length; i++) {
      var identifier = lastIdentifiers[i];
      var index = getIndexByIdentifier(identifier);
      stylesInDOM[index].references--;
    }

    var newLastIdentifiers = modulesToDom(newList, options);

    for (var _i = 0; _i < lastIdentifiers.length; _i++) {
      var _identifier = lastIdentifiers[_i];

      var _index = getIndexByIdentifier(_identifier);

      if (stylesInDOM[_index].references === 0) {
        stylesInDOM[_index].updater();

        stylesInDOM.splice(_index, 1);
      }
    }

    lastIdentifiers = newLastIdentifiers;
  };
};

/***/ }),

/***/ 8190:
/***/ ((module) => {

"use strict";


var memo = {};
/* istanbul ignore next  */

function getTarget(target) {
  if (typeof memo[target] === "undefined") {
    var styleTarget = document.querySelector(target); // Special case to return head of iframe instead of iframe itself

    if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {
      try {
        // This will throw an exception if access to iframe is blocked
        // due to cross-origin restrictions
        styleTarget = styleTarget.contentDocument.head;
      } catch (e) {
        // istanbul ignore next
        styleTarget = null;
      }
    }

    memo[target] = styleTarget;
  }

  return memo[target];
}
/* istanbul ignore next  */


function insertBySelector(insert, style) {
  var target = getTarget(insert);

  if (!target) {
    throw new Error("Couldn't find a style target. This probably means that the value for the 'insert' parameter is invalid.");
  }

  target.appendChild(style);
}

module.exports = insertBySelector;

/***/ }),

/***/ 664:
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function insertStyleElement(options) {
  var element = document.createElement("style");
  options.setAttributes(element, options.attributes);
  options.insert(element, options.options);
  return element;
}

module.exports = insertStyleElement;

/***/ }),

/***/ 7630:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


/* istanbul ignore next  */
function setAttributesWithoutAttributes(styleElement) {
  var nonce =  true ? __webpack_require__.nc : 0;

  if (nonce) {
    styleElement.setAttribute("nonce", nonce);
  }
}

module.exports = setAttributesWithoutAttributes;

/***/ }),

/***/ 9532:
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function apply(styleElement, options, obj) {
  var css = "";

  if (obj.supports) {
    css += "@supports (".concat(obj.supports, ") {");
  }

  if (obj.media) {
    css += "@media ".concat(obj.media, " {");
  }

  var needLayer = typeof obj.layer !== "undefined";

  if (needLayer) {
    css += "@layer".concat(obj.layer.length > 0 ? " ".concat(obj.layer) : "", " {");
  }

  css += obj.css;

  if (needLayer) {
    css += "}";
  }

  if (obj.media) {
    css += "}";
  }

  if (obj.supports) {
    css += "}";
  }

  var sourceMap = obj.sourceMap;

  if (sourceMap && typeof btoa !== "undefined") {
    css += "\n/*# sourceMappingURL=data:application/json;base64,".concat(btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))), " */");
  } // For old IE

  /* istanbul ignore if  */


  options.styleTagTransform(css, styleElement, options.options);
}

function removeStyleElement(styleElement) {
  // istanbul ignore if
  if (styleElement.parentNode === null) {
    return false;
  }

  styleElement.parentNode.removeChild(styleElement);
}
/* istanbul ignore next  */


function domAPI(options) {
  var styleElement = options.insertStyleElement(options);
  return {
    update: function update(obj) {
      apply(styleElement, options, obj);
    },
    remove: function remove() {
      removeStyleElement(styleElement);
    }
  };
}

module.exports = domAPI;

/***/ }),

/***/ 2563:
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function styleTagTransform(css, styleElement) {
  if (styleElement.styleSheet) {
    styleElement.styleSheet.cssText = css;
  } else {
    while (styleElement.firstChild) {
      styleElement.removeChild(styleElement.firstChild);
    }

    styleElement.appendChild(document.createTextNode(css));
  }
}

module.exports = styleTagTransform;

/***/ }),

/***/ 3679:
/***/ (function(module, exports) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;(function (global, factory) {
  if (true) {
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [module], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
		__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
		(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else { var mod; }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (module) {
  /* webextension-polyfill - v0.8.0 - Tue Apr 20 2021 11:27:38 */

  /* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */

  /* vim: set sts=2 sw=2 et tw=80: */

  /* This Source Code Form is subject to the terms of the Mozilla Public
   * License, v. 2.0. If a copy of the MPL was not distributed with this
   * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  "use strict";

  if (typeof browser === "undefined" || Object.getPrototypeOf(browser) !== Object.prototype) {
    const CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE = "The message port closed before a response was received.";
    const SEND_RESPONSE_DEPRECATION_WARNING = "Returning a Promise is the preferred way to send a reply from an onMessage/onMessageExternal listener, as the sendResponse will be removed from the specs (See https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage)"; // Wrapping the bulk of this polyfill in a one-time-use function is a minor
    // optimization for Firefox. Since Spidermonkey does not fully parse the
    // contents of a function until the first time it's called, and since it will
    // never actually need to be called, this allows the polyfill to be included
    // in Firefox nearly for free.

    const wrapAPIs = extensionAPIs => {
      // NOTE: apiMetadata is associated to the content of the api-metadata.json file
      // at build time by replacing the following "include" with the content of the
      // JSON file.
      const apiMetadata = {
        "alarms": {
          "clear": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "clearAll": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "get": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "getAll": {
            "minArgs": 0,
            "maxArgs": 0
          }
        },
        "bookmarks": {
          "create": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "get": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getChildren": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getRecent": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getSubTree": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getTree": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "move": {
            "minArgs": 2,
            "maxArgs": 2
          },
          "remove": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeTree": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "search": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "update": {
            "minArgs": 2,
            "maxArgs": 2
          }
        },
        "browserAction": {
          "disable": {
            "minArgs": 0,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "enable": {
            "minArgs": 0,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "getBadgeBackgroundColor": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getBadgeText": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getPopup": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getTitle": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "openPopup": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "setBadgeBackgroundColor": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "setBadgeText": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "setIcon": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "setPopup": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "setTitle": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          }
        },
        "browsingData": {
          "remove": {
            "minArgs": 2,
            "maxArgs": 2
          },
          "removeCache": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeCookies": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeDownloads": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeFormData": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeHistory": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeLocalStorage": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removePasswords": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removePluginData": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "settings": {
            "minArgs": 0,
            "maxArgs": 0
          }
        },
        "commands": {
          "getAll": {
            "minArgs": 0,
            "maxArgs": 0
          }
        },
        "contextMenus": {
          "remove": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeAll": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "update": {
            "minArgs": 2,
            "maxArgs": 2
          }
        },
        "cookies": {
          "get": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getAll": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getAllCookieStores": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "remove": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "set": {
            "minArgs": 1,
            "maxArgs": 1
          }
        },
        "devtools": {
          "inspectedWindow": {
            "eval": {
              "minArgs": 1,
              "maxArgs": 2,
              "singleCallbackArg": false
            }
          },
          "panels": {
            "create": {
              "minArgs": 3,
              "maxArgs": 3,
              "singleCallbackArg": true
            },
            "elements": {
              "createSidebarPane": {
                "minArgs": 1,
                "maxArgs": 1
              }
            }
          }
        },
        "downloads": {
          "cancel": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "download": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "erase": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getFileIcon": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "open": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "pause": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeFile": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "resume": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "search": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "show": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          }
        },
        "extension": {
          "isAllowedFileSchemeAccess": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "isAllowedIncognitoAccess": {
            "minArgs": 0,
            "maxArgs": 0
          }
        },
        "history": {
          "addUrl": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "deleteAll": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "deleteRange": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "deleteUrl": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getVisits": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "search": {
            "minArgs": 1,
            "maxArgs": 1
          }
        },
        "i18n": {
          "detectLanguage": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getAcceptLanguages": {
            "minArgs": 0,
            "maxArgs": 0
          }
        },
        "identity": {
          "launchWebAuthFlow": {
            "minArgs": 1,
            "maxArgs": 1
          }
        },
        "idle": {
          "queryState": {
            "minArgs": 1,
            "maxArgs": 1
          }
        },
        "management": {
          "get": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getAll": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "getSelf": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "setEnabled": {
            "minArgs": 2,
            "maxArgs": 2
          },
          "uninstallSelf": {
            "minArgs": 0,
            "maxArgs": 1
          }
        },
        "notifications": {
          "clear": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "create": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "getAll": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "getPermissionLevel": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "update": {
            "minArgs": 2,
            "maxArgs": 2
          }
        },
        "pageAction": {
          "getPopup": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getTitle": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "hide": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "setIcon": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "setPopup": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "setTitle": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          },
          "show": {
            "minArgs": 1,
            "maxArgs": 1,
            "fallbackToNoCallback": true
          }
        },
        "permissions": {
          "contains": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getAll": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "remove": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "request": {
            "minArgs": 1,
            "maxArgs": 1
          }
        },
        "runtime": {
          "getBackgroundPage": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "getPlatformInfo": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "openOptionsPage": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "requestUpdateCheck": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "sendMessage": {
            "minArgs": 1,
            "maxArgs": 3
          },
          "sendNativeMessage": {
            "minArgs": 2,
            "maxArgs": 2
          },
          "setUninstallURL": {
            "minArgs": 1,
            "maxArgs": 1
          }
        },
        "sessions": {
          "getDevices": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "getRecentlyClosed": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "restore": {
            "minArgs": 0,
            "maxArgs": 1
          }
        },
        "storage": {
          "local": {
            "clear": {
              "minArgs": 0,
              "maxArgs": 0
            },
            "get": {
              "minArgs": 0,
              "maxArgs": 1
            },
            "getBytesInUse": {
              "minArgs": 0,
              "maxArgs": 1
            },
            "remove": {
              "minArgs": 1,
              "maxArgs": 1
            },
            "set": {
              "minArgs": 1,
              "maxArgs": 1
            }
          },
          "managed": {
            "get": {
              "minArgs": 0,
              "maxArgs": 1
            },
            "getBytesInUse": {
              "minArgs": 0,
              "maxArgs": 1
            }
          },
          "sync": {
            "clear": {
              "minArgs": 0,
              "maxArgs": 0
            },
            "get": {
              "minArgs": 0,
              "maxArgs": 1
            },
            "getBytesInUse": {
              "minArgs": 0,
              "maxArgs": 1
            },
            "remove": {
              "minArgs": 1,
              "maxArgs": 1
            },
            "set": {
              "minArgs": 1,
              "maxArgs": 1
            }
          }
        },
        "tabs": {
          "captureVisibleTab": {
            "minArgs": 0,
            "maxArgs": 2
          },
          "create": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "detectLanguage": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "discard": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "duplicate": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "executeScript": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "get": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getCurrent": {
            "minArgs": 0,
            "maxArgs": 0
          },
          "getZoom": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "getZoomSettings": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "goBack": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "goForward": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "highlight": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "insertCSS": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "move": {
            "minArgs": 2,
            "maxArgs": 2
          },
          "query": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "reload": {
            "minArgs": 0,
            "maxArgs": 2
          },
          "remove": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "removeCSS": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "sendMessage": {
            "minArgs": 2,
            "maxArgs": 3
          },
          "setZoom": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "setZoomSettings": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "update": {
            "minArgs": 1,
            "maxArgs": 2
          }
        },
        "topSites": {
          "get": {
            "minArgs": 0,
            "maxArgs": 0
          }
        },
        "webNavigation": {
          "getAllFrames": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "getFrame": {
            "minArgs": 1,
            "maxArgs": 1
          }
        },
        "webRequest": {
          "handlerBehaviorChanged": {
            "minArgs": 0,
            "maxArgs": 0
          }
        },
        "windows": {
          "create": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "get": {
            "minArgs": 1,
            "maxArgs": 2
          },
          "getAll": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "getCurrent": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "getLastFocused": {
            "minArgs": 0,
            "maxArgs": 1
          },
          "remove": {
            "minArgs": 1,
            "maxArgs": 1
          },
          "update": {
            "minArgs": 2,
            "maxArgs": 2
          }
        }
      };

      if (Object.keys(apiMetadata).length === 0) {
        throw new Error("api-metadata.json has not been included in browser-polyfill");
      }
      /**
       * A WeakMap subclass which creates and stores a value for any key which does
       * not exist when accessed, but behaves exactly as an ordinary WeakMap
       * otherwise.
       *
       * @param {function} createItem
       *        A function which will be called in order to create the value for any
       *        key which does not exist, the first time it is accessed. The
       *        function receives, as its only argument, the key being created.
       */


      class DefaultWeakMap extends WeakMap {
        constructor(createItem, items = undefined) {
          super(items);
          this.createItem = createItem;
        }

        get(key) {
          if (!this.has(key)) {
            this.set(key, this.createItem(key));
          }

          return super.get(key);
        }

      }
      /**
       * Returns true if the given object is an object with a `then` method, and can
       * therefore be assumed to behave as a Promise.
       *
       * @param {*} value The value to test.
       * @returns {boolean} True if the value is thenable.
       */


      const isThenable = value => {
        return value && typeof value === "object" && typeof value.then === "function";
      };
      /**
       * Creates and returns a function which, when called, will resolve or reject
       * the given promise based on how it is called:
       *
       * - If, when called, `chrome.runtime.lastError` contains a non-null object,
       *   the promise is rejected with that value.
       * - If the function is called with exactly one argument, the promise is
       *   resolved to that value.
       * - Otherwise, the promise is resolved to an array containing all of the
       *   function's arguments.
       *
       * @param {object} promise
       *        An object containing the resolution and rejection functions of a
       *        promise.
       * @param {function} promise.resolve
       *        The promise's resolution function.
       * @param {function} promise.reject
       *        The promise's rejection function.
       * @param {object} metadata
       *        Metadata about the wrapped method which has created the callback.
       * @param {boolean} metadata.singleCallbackArg
       *        Whether or not the promise is resolved with only the first
       *        argument of the callback, alternatively an array of all the
       *        callback arguments is resolved. By default, if the callback
       *        function is invoked with only a single argument, that will be
       *        resolved to the promise, while all arguments will be resolved as
       *        an array if multiple are given.
       *
       * @returns {function}
       *        The generated callback function.
       */


      const makeCallback = (promise, metadata) => {
        return (...callbackArgs) => {
          if (extensionAPIs.runtime.lastError) {
            promise.reject(new Error(extensionAPIs.runtime.lastError.message));
          } else if (metadata.singleCallbackArg || callbackArgs.length <= 1 && metadata.singleCallbackArg !== false) {
            promise.resolve(callbackArgs[0]);
          } else {
            promise.resolve(callbackArgs);
          }
        };
      };

      const pluralizeArguments = numArgs => numArgs == 1 ? "argument" : "arguments";
      /**
       * Creates a wrapper function for a method with the given name and metadata.
       *
       * @param {string} name
       *        The name of the method which is being wrapped.
       * @param {object} metadata
       *        Metadata about the method being wrapped.
       * @param {integer} metadata.minArgs
       *        The minimum number of arguments which must be passed to the
       *        function. If called with fewer than this number of arguments, the
       *        wrapper will raise an exception.
       * @param {integer} metadata.maxArgs
       *        The maximum number of arguments which may be passed to the
       *        function. If called with more than this number of arguments, the
       *        wrapper will raise an exception.
       * @param {boolean} metadata.singleCallbackArg
       *        Whether or not the promise is resolved with only the first
       *        argument of the callback, alternatively an array of all the
       *        callback arguments is resolved. By default, if the callback
       *        function is invoked with only a single argument, that will be
       *        resolved to the promise, while all arguments will be resolved as
       *        an array if multiple are given.
       *
       * @returns {function(object, ...*)}
       *       The generated wrapper function.
       */


      const wrapAsyncFunction = (name, metadata) => {
        return function asyncFunctionWrapper(target, ...args) {
          if (args.length < metadata.minArgs) {
            throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`);
          }

          if (args.length > metadata.maxArgs) {
            throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`);
          }

          return new Promise((resolve, reject) => {
            if (metadata.fallbackToNoCallback) {
              // This API method has currently no callback on Chrome, but it return a promise on Firefox,
              // and so the polyfill will try to call it with a callback first, and it will fallback
              // to not passing the callback if the first call fails.
              try {
                target[name](...args, makeCallback({
                  resolve,
                  reject
                }, metadata));
              } catch (cbError) {
                console.warn(`${name} API method doesn't seem to support the callback parameter, ` + "falling back to call it without a callback: ", cbError);
                target[name](...args); // Update the API method metadata, so that the next API calls will not try to
                // use the unsupported callback anymore.

                metadata.fallbackToNoCallback = false;
                metadata.noCallback = true;
                resolve();
              }
            } else if (metadata.noCallback) {
              target[name](...args);
              resolve();
            } else {
              target[name](...args, makeCallback({
                resolve,
                reject
              }, metadata));
            }
          });
        };
      };
      /**
       * Wraps an existing method of the target object, so that calls to it are
       * intercepted by the given wrapper function. The wrapper function receives,
       * as its first argument, the original `target` object, followed by each of
       * the arguments passed to the original method.
       *
       * @param {object} target
       *        The original target object that the wrapped method belongs to.
       * @param {function} method
       *        The method being wrapped. This is used as the target of the Proxy
       *        object which is created to wrap the method.
       * @param {function} wrapper
       *        The wrapper function which is called in place of a direct invocation
       *        of the wrapped method.
       *
       * @returns {Proxy<function>}
       *        A Proxy object for the given method, which invokes the given wrapper
       *        method in its place.
       */


      const wrapMethod = (target, method, wrapper) => {
        return new Proxy(method, {
          apply(targetMethod, thisObj, args) {
            return wrapper.call(thisObj, target, ...args);
          }

        });
      };

      let hasOwnProperty = Function.call.bind(Object.prototype.hasOwnProperty);
      /**
       * Wraps an object in a Proxy which intercepts and wraps certain methods
       * based on the given `wrappers` and `metadata` objects.
       *
       * @param {object} target
       *        The target object to wrap.
       *
       * @param {object} [wrappers = {}]
       *        An object tree containing wrapper functions for special cases. Any
       *        function present in this object tree is called in place of the
       *        method in the same location in the `target` object tree. These
       *        wrapper methods are invoked as described in {@see wrapMethod}.
       *
       * @param {object} [metadata = {}]
       *        An object tree containing metadata used to automatically generate
       *        Promise-based wrapper functions for asynchronous. Any function in
       *        the `target` object tree which has a corresponding metadata object
       *        in the same location in the `metadata` tree is replaced with an
       *        automatically-generated wrapper function, as described in
       *        {@see wrapAsyncFunction}
       *
       * @returns {Proxy<object>}
       */

      const wrapObject = (target, wrappers = {}, metadata = {}) => {
        let cache = Object.create(null);
        let handlers = {
          has(proxyTarget, prop) {
            return prop in target || prop in cache;
          },

          get(proxyTarget, prop, receiver) {
            if (prop in cache) {
              return cache[prop];
            }

            if (!(prop in target)) {
              return undefined;
            }

            let value = target[prop];

            if (typeof value === "function") {
              // This is a method on the underlying object. Check if we need to do
              // any wrapping.
              if (typeof wrappers[prop] === "function") {
                // We have a special-case wrapper for this method.
                value = wrapMethod(target, target[prop], wrappers[prop]);
              } else if (hasOwnProperty(metadata, prop)) {
                // This is an async method that we have metadata for. Create a
                // Promise wrapper for it.
                let wrapper = wrapAsyncFunction(prop, metadata[prop]);
                value = wrapMethod(target, target[prop], wrapper);
              } else {
                // This is a method that we don't know or care about. Return the
                // original method, bound to the underlying object.
                value = value.bind(target);
              }
            } else if (typeof value === "object" && value !== null && (hasOwnProperty(wrappers, prop) || hasOwnProperty(metadata, prop))) {
              // This is an object that we need to do some wrapping for the children
              // of. Create a sub-object wrapper for it with the appropriate child
              // metadata.
              value = wrapObject(value, wrappers[prop], metadata[prop]);
            } else if (hasOwnProperty(metadata, "*")) {
              // Wrap all properties in * namespace.
              value = wrapObject(value, wrappers[prop], metadata["*"]);
            } else {
              // We don't need to do any wrapping for this property,
              // so just forward all access to the underlying object.
              Object.defineProperty(cache, prop, {
                configurable: true,
                enumerable: true,

                get() {
                  return target[prop];
                },

                set(value) {
                  target[prop] = value;
                }

              });
              return value;
            }

            cache[prop] = value;
            return value;
          },

          set(proxyTarget, prop, value, receiver) {
            if (prop in cache) {
              cache[prop] = value;
            } else {
              target[prop] = value;
            }

            return true;
          },

          defineProperty(proxyTarget, prop, desc) {
            return Reflect.defineProperty(cache, prop, desc);
          },

          deleteProperty(proxyTarget, prop) {
            return Reflect.deleteProperty(cache, prop);
          }

        }; // Per contract of the Proxy API, the "get" proxy handler must return the
        // original value of the target if that value is declared read-only and
        // non-configurable. For this reason, we create an object with the
        // prototype set to `target` instead of using `target` directly.
        // Otherwise we cannot return a custom object for APIs that
        // are declared read-only and non-configurable, such as `chrome.devtools`.
        //
        // The proxy handlers themselves will still use the original `target`
        // instead of the `proxyTarget`, so that the methods and properties are
        // dereferenced via the original targets.

        let proxyTarget = Object.create(target);
        return new Proxy(proxyTarget, handlers);
      };
      /**
       * Creates a set of wrapper functions for an event object, which handles
       * wrapping of listener functions that those messages are passed.
       *
       * A single wrapper is created for each listener function, and stored in a
       * map. Subsequent calls to `addListener`, `hasListener`, or `removeListener`
       * retrieve the original wrapper, so that  attempts to remove a
       * previously-added listener work as expected.
       *
       * @param {DefaultWeakMap<function, function>} wrapperMap
       *        A DefaultWeakMap object which will create the appropriate wrapper
       *        for a given listener function when one does not exist, and retrieve
       *        an existing one when it does.
       *
       * @returns {object}
       */


      const wrapEvent = wrapperMap => ({
        addListener(target, listener, ...args) {
          target.addListener(wrapperMap.get(listener), ...args);
        },

        hasListener(target, listener) {
          return target.hasListener(wrapperMap.get(listener));
        },

        removeListener(target, listener) {
          target.removeListener(wrapperMap.get(listener));
        }

      });

      const onRequestFinishedWrappers = new DefaultWeakMap(listener => {
        if (typeof listener !== "function") {
          return listener;
        }
        /**
         * Wraps an onRequestFinished listener function so that it will return a
         * `getContent()` property which returns a `Promise` rather than using a
         * callback API.
         *
         * @param {object} req
         *        The HAR entry object representing the network request.
         */


        return function onRequestFinished(req) {
          const wrappedReq = wrapObject(req, {}
          /* wrappers */
          , {
            getContent: {
              minArgs: 0,
              maxArgs: 0
            }
          });
          listener(wrappedReq);
        };
      }); // Keep track if the deprecation warning has been logged at least once.

      let loggedSendResponseDeprecationWarning = false;
      const onMessageWrappers = new DefaultWeakMap(listener => {
        if (typeof listener !== "function") {
          return listener;
        }
        /**
         * Wraps a message listener function so that it may send responses based on
         * its return value, rather than by returning a sentinel value and calling a
         * callback. If the listener function returns a Promise, the response is
         * sent when the promise either resolves or rejects.
         *
         * @param {*} message
         *        The message sent by the other end of the channel.
         * @param {object} sender
         *        Details about the sender of the message.
         * @param {function(*)} sendResponse
         *        A callback which, when called with an arbitrary argument, sends
         *        that value as a response.
         * @returns {boolean}
         *        True if the wrapped listener returned a Promise, which will later
         *        yield a response. False otherwise.
         */


        return function onMessage(message, sender, sendResponse) {
          let didCallSendResponse = false;
          let wrappedSendResponse;
          let sendResponsePromise = new Promise(resolve => {
            wrappedSendResponse = function (response) {
              if (!loggedSendResponseDeprecationWarning) {
                console.warn(SEND_RESPONSE_DEPRECATION_WARNING, new Error().stack);
                loggedSendResponseDeprecationWarning = true;
              }

              didCallSendResponse = true;
              resolve(response);
            };
          });
          let result;

          try {
            result = listener(message, sender, wrappedSendResponse);
          } catch (err) {
            result = Promise.reject(err);
          }

          const isResultThenable = result !== true && isThenable(result); // If the listener didn't returned true or a Promise, or called
          // wrappedSendResponse synchronously, we can exit earlier
          // because there will be no response sent from this listener.

          if (result !== true && !isResultThenable && !didCallSendResponse) {
            return false;
          } // A small helper to send the message if the promise resolves
          // and an error if the promise rejects (a wrapped sendMessage has
          // to translate the message into a resolved promise or a rejected
          // promise).


          const sendPromisedResult = promise => {
            promise.then(msg => {
              // send the message value.
              sendResponse(msg);
            }, error => {
              // Send a JSON representation of the error if the rejected value
              // is an instance of error, or the object itself otherwise.
              let message;

              if (error && (error instanceof Error || typeof error.message === "string")) {
                message = error.message;
              } else {
                message = "An unexpected error occurred";
              }

              sendResponse({
                __mozWebExtensionPolyfillReject__: true,
                message
              });
            }).catch(err => {
              // Print an error on the console if unable to send the response.
              console.error("Failed to send onMessage rejected reply", err);
            });
          }; // If the listener returned a Promise, send the resolved value as a
          // result, otherwise wait the promise related to the wrappedSendResponse
          // callback to resolve and send it as a response.


          if (isResultThenable) {
            sendPromisedResult(result);
          } else {
            sendPromisedResult(sendResponsePromise);
          } // Let Chrome know that the listener is replying.


          return true;
        };
      });

      const wrappedSendMessageCallback = ({
        reject,
        resolve
      }, reply) => {
        if (extensionAPIs.runtime.lastError) {
          // Detect when none of the listeners replied to the sendMessage call and resolve
          // the promise to undefined as in Firefox.
          // See https://github.com/mozilla/webextension-polyfill/issues/130
          if (extensionAPIs.runtime.lastError.message === CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE) {
            resolve();
          } else {
            reject(new Error(extensionAPIs.runtime.lastError.message));
          }
        } else if (reply && reply.__mozWebExtensionPolyfillReject__) {
          // Convert back the JSON representation of the error into
          // an Error instance.
          reject(new Error(reply.message));
        } else {
          resolve(reply);
        }
      };

      const wrappedSendMessage = (name, metadata, apiNamespaceObj, ...args) => {
        if (args.length < metadata.minArgs) {
          throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`);
        }

        if (args.length > metadata.maxArgs) {
          throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`);
        }

        return new Promise((resolve, reject) => {
          const wrappedCb = wrappedSendMessageCallback.bind(null, {
            resolve,
            reject
          });
          args.push(wrappedCb);
          apiNamespaceObj.sendMessage(...args);
        });
      };

      const staticWrappers = {
        devtools: {
          network: {
            onRequestFinished: wrapEvent(onRequestFinishedWrappers)
          }
        },
        runtime: {
          onMessage: wrapEvent(onMessageWrappers),
          onMessageExternal: wrapEvent(onMessageWrappers),
          sendMessage: wrappedSendMessage.bind(null, "sendMessage", {
            minArgs: 1,
            maxArgs: 3
          })
        },
        tabs: {
          sendMessage: wrappedSendMessage.bind(null, "sendMessage", {
            minArgs: 2,
            maxArgs: 3
          })
        }
      };
      const settingMetadata = {
        clear: {
          minArgs: 1,
          maxArgs: 1
        },
        get: {
          minArgs: 1,
          maxArgs: 1
        },
        set: {
          minArgs: 1,
          maxArgs: 1
        }
      };
      apiMetadata.privacy = {
        network: {
          "*": settingMetadata
        },
        services: {
          "*": settingMetadata
        },
        websites: {
          "*": settingMetadata
        }
      };
      return wrapObject(extensionAPIs, staticWrappers, apiMetadata);
    };

    if (typeof chrome != "object" || !chrome || !chrome.runtime || !chrome.runtime.id) {
      throw new Error("This script should only be loaded in a browser extension.");
    } // The build process adds a UMD wrapper around this file, which makes the
    // `module` variable available.


    module.exports = wrapAPIs(chrome);
  } else {
    module.exports = browser;
  }
});


/***/ }),

/***/ 6813:
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (/* binding */ _applyDecoratedDescriptor)
/* harmony export */ });
function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {
  var desc = {};
  Object.keys(descriptor).forEach(function (key) {
    desc[key] = descriptor[key];
  });
  desc.enumerable = !!desc.enumerable;
  desc.configurable = !!desc.configurable;

  if ('value' in desc || desc.initializer) {
    desc.writable = true;
  }

  desc = decorators.slice().reverse().reduce(function (desc, decorator) {
    return decorator(target, property, desc) || desc;
  }, desc);

  if (context && desc.initializer !== void 0) {
    desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
    desc.initializer = undefined;
  }

  if (desc.initializer === void 0) {
    Object.defineProperty(target, property, desc);
    desc = null;
  }

  return desc;
}

/***/ }),

/***/ 5497:
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (/* binding */ _initializerDefineProperty)
/* harmony export */ });
function _initializerDefineProperty(target, property, descriptor, context) {
  if (!descriptor) return;
  Object.defineProperty(target, property, {
    enumerable: descriptor.enumerable,
    configurable: descriptor.configurable,
    writable: descriptor.writable,
    value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
  });
}

/***/ }),

/***/ 2380:
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "x0": () => (/* binding */ nanoid)
/* harmony export */ });
/* unused harmony exports customAlphabet, customRandom, random */

let random = bytes => crypto.getRandomValues(new Uint8Array(bytes))
let customRandom = (alphabet, defaultSize, getRandom) => {
  let mask = (2 << (Math.log(alphabet.length - 1) / Math.LN2)) - 1
  let step = -~((1.6 * mask * defaultSize) / alphabet.length)
  return (size = defaultSize) => {
    let id = ''
    while (true) {
      let bytes = getRandom(step)
      let j = step
      while (j--) {
        id += alphabet[bytes[j] & mask] || ''
        if (id.length === size) return id
      }
    }
  }
}
let customAlphabet = (alphabet, size = 21) =>
  customRandom(alphabet, size, random)
let nanoid = (size = 21) => {
  let id = ''
  let bytes = crypto.getRandomValues(new Uint8Array(size))
  while (size--) {
    let byte = bytes[size] & 63
    if (byte < 36) {
      id += byte.toString(36)
    } else if (byte < 62) {
      id += (byte - 26).toString(36).toUpperCase()
    } else if (byte < 63) {
      id += '_'
    } else {
      id += '-'
    }
  }
  return id
}



/***/ })

},
/******/ __webpack_require__ => { // webpackRuntimeModules
/******/ var __webpack_exec__ = (moduleId) => (__webpack_require__(__webpack_require__.s = moduleId))
/******/ __webpack_require__.O(0, [374,49], () => (__webpack_exec__(6678)));
/******/ var __webpack_exports__ = __webpack_require__.O();
/******/ }
]);