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            ["extsprintf", "npm:1.4.0"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["webidl-conversions", [
        ["npm:3.0.1", {
          "packageLocation": "../../../.yarn/cache/webidl-conversions-npm-3.0.1-60310f6a2b-c92a0a6ab9.zip/node_modules/webidl-conversions/",
          "packageDependencies": [
            ["webidl-conversions", "npm:3.0.1"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["whatwg-url", [
        ["npm:5.0.0", {
          "packageLocation": "../../../.yarn/cache/whatwg-url-npm-5.0.0-374fb45e60-b8daed4ad3.zip/node_modules/whatwg-url/",
          "packageDependencies": [
            ["whatwg-url", "npm:5.0.0"],
            ["tr46", "npm:0.0.3"],
            ["webidl-conversions", "npm:3.0.1"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["which", [
        ["npm:2.0.2", {
          "packageLocation": "../../../.yarn/cache/which-npm-2.0.2-320ddf72f7-1a5c563d3c.zip/node_modules/which/",
          "packageDependencies": [
            ["which", "npm:2.0.2"],
            ["isexe", "npm:2.0.0"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["wrap-ansi", [
        ["npm:6.2.0", {
          "packageLocation": "../../../.yarn/cache/wrap-ansi-npm-6.2.0-439a7246d8-6cd96a4101.zip/node_modules/wrap-ansi/",
          "packageDependencies": [
            ["wrap-ansi", "npm:6.2.0"],
            ["ansi-styles", "npm:4.3.0"],
            ["string-width", "npm:4.2.2"],
            ["strip-ansi", "npm:6.0.0"]
          ],
          "linkType": "HARD",
        }],
        ["npm:7.0.0", {
          "packageLocation": "../../../.yarn/cache/wrap-ansi-npm-7.0.0-ad6e1a0554-a790b846fd.zip/node_modules/wrap-ansi/",
          "packageDependencies": [
            ["wrap-ansi", "npm:7.0.0"],
            ["ansi-styles", "npm:4.3.0"],
            ["string-width", "npm:4.2.2"],
            ["strip-ansi", "npm:6.0.0"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["wrappy", [
        ["npm:1.0.2", {
          "packageLocation": "../../../.yarn/cache/wrappy-npm-1.0.2-916de4d4b3-159da4805f.zip/node_modules/wrappy/",
          "packageDependencies": [
            ["wrappy", "npm:1.0.2"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["xml2js", [
        ["npm:0.4.19", {
          "packageLocation": "../../../.yarn/cache/xml2js-npm-0.4.19-104b7b16eb-ca8b2fee43.zip/node_modules/xml2js/",
          "packageDependencies": [
            ["xml2js", "npm:0.4.19"],
            ["sax", "npm:1.2.4"],
            ["xmlbuilder", "npm:9.0.7"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["xmlbuilder", [
        ["npm:9.0.7", {
          "packageLocation": "../../../.yarn/cache/xmlbuilder-npm-9.0.7-44519dbccb-8193bb3238.zip/node_modules/xmlbuilder/",
          "packageDependencies": [
            ["xmlbuilder", "npm:9.0.7"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["y18n", [
        ["npm:5.0.8", {
          "packageLocation": "../../../.yarn/cache/y18n-npm-5.0.8-5f3a0a7e62-54f0fb9562.zip/node_modules/y18n/",
          "packageDependencies": [
            ["y18n", "npm:5.0.8"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["yargs", [
        ["npm:17.2.1", {
          "packageLocation": "../../../.yarn/cache/yargs-npm-17.2.1-592dabfd58-451aac46f8.zip/node_modules/yargs/",
          "packageDependencies": [
            ["yargs", "npm:17.2.1"],
            ["cliui", "npm:7.0.4"],
            ["escalade", "npm:3.1.1"],
            ["get-caller-file", "npm:2.0.5"],
            ["require-directory", "npm:2.1.1"],
            ["string-width", "npm:4.2.2"],
            ["y18n", "npm:5.0.8"],
            ["yargs-parser", "npm:20.2.9"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["yargs-parser", [
        ["npm:20.2.9", {
          "packageLocation": "../../../.yarn/cache/yargs-parser-npm-20.2.9-a1d19e598d-8bb69015f2.zip/node_modules/yargs-parser/",
          "packageDependencies": [
            ["yargs-parser", "npm:20.2.9"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["yauzl", [
        ["npm:2.10.0", {
          "packageLocation": "../../../.yarn/cache/yauzl-npm-2.10.0-72e70ea021-7f21fe0bba.zip/node_modules/yauzl/",
          "packageDependencies": [
            ["yauzl", "npm:2.10.0"],
            ["buffer-crc32", "npm:0.2.13"],
            ["fd-slicer", "npm:1.1.0"]
          ],
          "linkType": "HARD",
        }]
      ]],
      ["yn", [
        ["npm:3.1.1", {
          "packageLocation": "../../../.yarn/cache/yn-npm-3.1.1-8ad4259784-2c487b0e14.zip/node_modules/yn/",
          "packageDependencies": [
            ["yn", "npm:3.1.1"]
          ],
          "linkType": "HARD",
        }]
      ]]
    ]
  }, {basePath: basePath || __dirname});
  }

(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["pnpHook"] = factory();
	else
		root["pnpHook"] = factory();
})(global, function() {
return /******/ (() => { // webpackBootstrap
/******/ 	var __webpack_modules__ = ({

/***/ 368:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var frozenFs = Object.assign({}, __webpack_require__(747));
var Module = typeof Module !== "undefined" ? Module : {};
var moduleOverrides = {};
var key;
for (key in Module) {
  if (Module.hasOwnProperty(key)) {
    moduleOverrides[key] = Module[key];
  }
}
var arguments_ = [];
var thisProgram = "./this.program";
var quit_ = function(status, toThrow) {
  throw toThrow;
};
var ENVIRONMENT_IS_WORKER = false;
var ENVIRONMENT_IS_NODE = true;
var scriptDirectory = "";
function locateFile(path) {
  if (Module["locateFile"]) {
    return Module["locateFile"](path, scriptDirectory);
  }
  return scriptDirectory + path;
}
var read_, readBinary;
var nodeFS;
var nodePath;
if (ENVIRONMENT_IS_NODE) {
  if (ENVIRONMENT_IS_WORKER) {
    scriptDirectory = __webpack_require__(622).dirname(scriptDirectory) + "/";
  } else {
    scriptDirectory = __dirname + "/";
  }
  read_ = function shell_read(filename, binary) {
    var ret = tryParseAsDataURI(filename);
    if (ret) {
      return binary ? ret : ret.toString();
    }
    if (!nodeFS) nodeFS = frozenFs;
    if (!nodePath) nodePath = __webpack_require__(622);
    filename = nodePath["normalize"](filename);
    return nodeFS["readFileSync"](filename, binary ? null : "utf8");
  };
  readBinary = function readBinary(filename) {
    var ret = read_(filename, true);
    if (!ret.buffer) {
      ret = new Uint8Array(ret);
    }
    assert(ret.buffer);
    return ret;
  };
  if (process["argv"].length > 1) {
    thisProgram = process["argv"][1].replace(/\\/g, "/");
  }
  arguments_ = process["argv"].slice(2);
  if (true) {
    module["exports"] = Module;
  }
  quit_ = function(status) {
    process["exit"](status);
  };
  Module["inspect"] = function() {
    return "[Emscripten Module object]";
  };
} else {
}
var out = Module["print"] || console.log.bind(console);
var err = Module["printErr"] || console.warn.bind(console);
for (key in moduleOverrides) {
  if (moduleOverrides.hasOwnProperty(key)) {
    Module[key] = moduleOverrides[key];
  }
}
moduleOverrides = null;
if (Module["arguments"]) arguments_ = Module["arguments"];
if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
if (Module["quit"]) quit_ = Module["quit"];
var STACK_ALIGN = 16;
function alignMemory(size, factor) {
  if (!factor) factor = STACK_ALIGN;
  return Math.ceil(size / factor) * factor;
}
var tempRet0 = 0;
var setTempRet0 = function(value) {
  tempRet0 = value;
};
var wasmBinary;
if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
var noExitRuntime = Module["noExitRuntime"] || true;
if (typeof WebAssembly !== "object") {
  abort("no native wasm support detected");
}
function getValue(ptr, type, noSafe) {
  type = type || "i8";
  if (type.charAt(type.length - 1) === "*") type = "i32";
  switch (type) {
    case "i1":
      return HEAP8[ptr >> 0];
    case "i8":
      return HEAP8[ptr >> 0];
    case "i16":
      return HEAP16[ptr >> 1];
    case "i32":
      return HEAP32[ptr >> 2];
    case "i64":
      return HEAP32[ptr >> 2];
    case "float":
      return HEAPF32[ptr >> 2];
    case "double":
      return HEAPF64[ptr >> 3];
    default:
      abort("invalid type for getValue: " + type);
  }
  return null;
}
var wasmMemory;
var ABORT = false;
var EXITSTATUS;
function assert(condition, text) {
  if (!condition) {
    abort("Assertion failed: " + text);
  }
}
function getCFunc(ident) {
  var func = Module["_" + ident];
  assert(
    func,
    "Cannot call unknown function " + ident + ", make sure it is exported"
  );
  return func;
}
function ccall(ident, returnType, argTypes, args, opts) {
  var toC = {
    string: function(str) {
      var ret = 0;
      if (str !== null && str !== undefined && str !== 0) {
        var len = (str.length << 2) + 1;
        ret = stackAlloc(len);
        stringToUTF8(str, ret, len);
      }
      return ret;
    },
    array: function(arr) {
      var ret = stackAlloc(arr.length);
      writeArrayToMemory(arr, ret);
      return ret;
    }
  };
  function convertReturnValue(ret) {
    if (returnType === "string") return UTF8ToString(ret);
    if (returnType === "boolean") return Boolean(ret);
    return ret;
  }
  var func = getCFunc(ident);
  var cArgs = [];
  var stack = 0;
  if (args) {
    for (var i = 0; i < args.length; i++) {
      var converter = toC[argTypes[i]];
      if (converter) {
        if (stack === 0) stack = stackSave();
        cArgs[i] = converter(args[i]);
      } else {
        cArgs[i] = args[i];
      }
    }
  }
  var ret = func.apply(null, cArgs);
  ret = convertReturnValue(ret);
  if (stack !== 0) stackRestore(stack);
  return ret;
}
function cwrap(ident, returnType, argTypes, opts) {
  argTypes = argTypes || [];
  var numericArgs = argTypes.every(function(type) {
    return type === "number";
  });
  var numericRet = returnType !== "string";
  if (numericRet && numericArgs && !opts) {
    return getCFunc(ident);
  }
  return function() {
    return ccall(ident, returnType, argTypes, arguments, opts);
  };
}
var UTF8Decoder =
  typeof TextDecoder !== "undefined" ? new TextDecoder("utf8") : undefined;
function UTF8ArrayToString(heap, idx, maxBytesToRead) {
  var endIdx = idx + maxBytesToRead;
  var endPtr = idx;
  while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr;
  if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) {
    return UTF8Decoder.decode(heap.subarray(idx, endPtr));
  } else {
    var str = "";
    while (idx < endPtr) {
      var u0 = heap[idx++];
      if (!(u0 & 128)) {
        str += String.fromCharCode(u0);
        continue;
      }
      var u1 = heap[idx++] & 63;
      if ((u0 & 224) == 192) {
        str += String.fromCharCode(((u0 & 31) << 6) | u1);
        continue;
      }
      var u2 = heap[idx++] & 63;
      if ((u0 & 240) == 224) {
        u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
      } else {
        u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63);
      }
      if (u0 < 65536) {
        str += String.fromCharCode(u0);
      } else {
        var ch = u0 - 65536;
        str += String.fromCharCode(55296 | (ch >> 10), 56320 | (ch & 1023));
      }
    }
  }
  return str;
}
function UTF8ToString(ptr, maxBytesToRead) {
  return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
}
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
  if (!(maxBytesToWrite > 0)) return 0;
  var startIdx = outIdx;
  var endIdx = outIdx + maxBytesToWrite - 1;
  for (var i = 0; i < str.length; ++i) {
    var u = str.charCodeAt(i);
    if (u >= 55296 && u <= 57343) {
      var u1 = str.charCodeAt(++i);
      u = (65536 + ((u & 1023) << 10)) | (u1 & 1023);
    }
    if (u <= 127) {
      if (outIdx >= endIdx) break;
      heap[outIdx++] = u;
    } else if (u <= 2047) {
      if (outIdx + 1 >= endIdx) break;
      heap[outIdx++] = 192 | (u >> 6);
      heap[outIdx++] = 128 | (u & 63);
    } else if (u <= 65535) {
      if (outIdx + 2 >= endIdx) break;
      heap[outIdx++] = 224 | (u >> 12);
      heap[outIdx++] = 128 | ((u >> 6) & 63);
      heap[outIdx++] = 128 | (u & 63);
    } else {
      if (outIdx + 3 >= endIdx) break;
      heap[outIdx++] = 240 | (u >> 18);
      heap[outIdx++] = 128 | ((u >> 12) & 63);
      heap[outIdx++] = 128 | ((u >> 6) & 63);
      heap[outIdx++] = 128 | (u & 63);
    }
  }
  heap[outIdx] = 0;
  return outIdx - startIdx;
}
function stringToUTF8(str, outPtr, maxBytesToWrite) {
  return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
}
function lengthBytesUTF8(str) {
  var len = 0;
  for (var i = 0; i < str.length; ++i) {
    var u = str.charCodeAt(i);
    if (u >= 55296 && u <= 57343)
      u = (65536 + ((u & 1023) << 10)) | (str.charCodeAt(++i) & 1023);
    if (u <= 127) ++len;
    else if (u <= 2047) len += 2;
    else if (u <= 65535) len += 3;
    else len += 4;
  }
  return len;
}
function allocateUTF8(str) {
  var size = lengthBytesUTF8(str) + 1;
  var ret = _malloc(size);
  if (ret) stringToUTF8Array(str, HEAP8, ret, size);
  return ret;
}
function writeArrayToMemory(array, buffer) {
  HEAP8.set(array, buffer);
}
function alignUp(x, multiple) {
  if (x % multiple > 0) {
    x += multiple - (x % multiple);
  }
  return x;
}
var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
function updateGlobalBufferAndViews(buf) {
  buffer = buf;
  Module["HEAP8"] = HEAP8 = new Int8Array(buf);
  Module["HEAP16"] = HEAP16 = new Int16Array(buf);
  Module["HEAP32"] = HEAP32 = new Int32Array(buf);
  Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
  Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
  Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
  Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
  Module["HEAPF64"] = HEAPF64 = new Float64Array(buf);
}
var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 16777216;
var wasmTable;
var __ATPRERUN__ = [];
var __ATINIT__ = [];
var __ATPOSTRUN__ = [];
var runtimeInitialized = false;
function preRun() {
  if (Module["preRun"]) {
    if (typeof Module["preRun"] == "function")
      Module["preRun"] = [Module["preRun"]];
    while (Module["preRun"].length) {
      addOnPreRun(Module["preRun"].shift());
    }
  }
  callRuntimeCallbacks(__ATPRERUN__);
}
function initRuntime() {
  runtimeInitialized = true;
  if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
  TTY.init();
  callRuntimeCallbacks(__ATINIT__);
}
function postRun() {
  if (Module["postRun"]) {
    if (typeof Module["postRun"] == "function")
      Module["postRun"] = [Module["postRun"]];
    while (Module["postRun"].length) {
      addOnPostRun(Module["postRun"].shift());
    }
  }
  callRuntimeCallbacks(__ATPOSTRUN__);
}
function addOnPreRun(cb) {
  __ATPRERUN__.unshift(cb);
}
function addOnInit(cb) {
  __ATINIT__.unshift(cb);
}
function addOnPostRun(cb) {
  __ATPOSTRUN__.unshift(cb);
}
var runDependencies = 0;
var runDependencyWatcher = null;
var dependenciesFulfilled = null;
function getUniqueRunDependency(id) {
  return id;
}
function addRunDependency(id) {
  runDependencies++;
  if (Module["monitorRunDependencies"]) {
    Module["monitorRunDependencies"](runDependencies);
  }
}
function removeRunDependency(id) {
  runDependencies--;
  if (Module["monitorRunDependencies"]) {
    Module["monitorRunDependencies"](runDependencies);
  }
  if (runDependencies == 0) {
    if (runDependencyWatcher !== null) {
      clearInterval(runDependencyWatcher);
      runDependencyWatcher = null;
    }
    if (dependenciesFulfilled) {
      var callback = dependenciesFulfilled;
      dependenciesFulfilled = null;
      callback();
    }
  }
}
Module["preloadedImages"] = {};
Module["preloadedAudios"] = {};
function abort(what) {
  if (Module["onAbort"]) {
    Module["onAbort"](what);
  }
  what += "";
  err(what);
  ABORT = true;
  EXITSTATUS = 1;
  what = "abort(" + what + "). Build with -s ASSERTIONS=1 for more info.";
  var e = new WebAssembly.RuntimeError(what);
  throw e;
}
var dataURIPrefix = "data:application/octet-stream;base64,";
function isDataURI(filename) {
  return filename.startsWith(dataURIPrefix);
}
var wasmBinaryFile =
  "data:application/octet-stream;base64, ";
if (!isDataURI(wasmBinaryFile)) {
  wasmBinaryFile = locateFile(wasmBinaryFile);
}
function getBinary(file) {
  try {
    if (file == wasmBinaryFile && wasmBinary) {
      return new Uint8Array(wasmBinary);
    }
    var binary = tryParseAsDataURI(file);
    if (binary) {
      return binary;
    }
    if (readBinary) {
      return readBinary(file);
    } else {
      throw "sync fetching of the wasm failed: you can preload it to Module['wasmBinary'] manually, or emcc.py will do that for you when generating HTML (but not JS)";
    }
  } catch (err) {
    abort(err);
  }
}
function instantiateSync(file, info) {
  var instance;
  var module;
  var binary;
  try {
    binary = getBinary(file);
    module = new WebAssembly.Module(binary);
    instance = new WebAssembly.Instance(module, info);
  } catch (e) {
    var str = e.toString();
    err("failed to compile wasm module: " + str);
    if (str.includes("imported Memory") || str.includes("memory import")) {
      err(
        "Memory size incompatibility issues may be due to changing INITIAL_MEMORY at runtime to something too large. Use ALLOW_MEMORY_GROWTH to allow any size memory (and also make sure not to set INITIAL_MEMORY at runtime to something smaller than it was at compile time)."
      );
    }
    throw e;
  }
  return [instance, module];
}
function createWasm() {
  var info = { a: asmLibraryArg };
  function receiveInstance(instance, module) {
    var exports = instance.exports;
    Module["asm"] = exports;
    wasmMemory = Module["asm"]["u"];
    updateGlobalBufferAndViews(wasmMemory.buffer);
    wasmTable = Module["asm"]["za"];
    addOnInit(Module["asm"]["v"]);
    removeRunDependency("wasm-instantiate");
  }
  addRunDependency("wasm-instantiate");
  if (Module["instantiateWasm"]) {
    try {
      var exports = Module["instantiateWasm"](info, receiveInstance);
      return exports;
    } catch (e) {
      err("Module.instantiateWasm callback failed with error: " + e);
      return false;
    }
  }
  var result = instantiateSync(wasmBinaryFile, info);
  receiveInstance(result[0]);
  return Module["asm"];
}
var tempDouble;
var tempI64;
function callRuntimeCallbacks(callbacks) {
  while (callbacks.length > 0) {
    var callback = callbacks.shift();
    if (typeof callback == "function") {
      callback(Module);
      continue;
    }
    var func = callback.func;
    if (typeof func === "number") {
      if (callback.arg === undefined) {
        wasmTable.get(func)();
      } else {
        wasmTable.get(func)(callback.arg);
      }
    } else {
      func(callback.arg === undefined ? null : callback.arg);
    }
  }
}
function _gmtime_r(time, tmPtr) {
  var date = new Date(HEAP32[time >> 2] * 1e3);
  HEAP32[tmPtr >> 2] = date.getUTCSeconds();
  HEAP32[(tmPtr + 4) >> 2] = date.getUTCMinutes();
  HEAP32[(tmPtr + 8) >> 2] = date.getUTCHours();
  HEAP32[(tmPtr + 12) >> 2] = date.getUTCDate();
  HEAP32[(tmPtr + 16) >> 2] = date.getUTCMonth();
  HEAP32[(tmPtr + 20) >> 2] = date.getUTCFullYear() - 1900;
  HEAP32[(tmPtr + 24) >> 2] = date.getUTCDay();
  HEAP32[(tmPtr + 36) >> 2] = 0;
  HEAP32[(tmPtr + 32) >> 2] = 0;
  var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
  var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
  HEAP32[(tmPtr + 28) >> 2] = yday;
  if (!_gmtime_r.GMTString) _gmtime_r.GMTString = allocateUTF8("GMT");
  HEAP32[(tmPtr + 40) >> 2] = _gmtime_r.GMTString;
  return tmPtr;
}
function ___gmtime_r(a0, a1) {
  return _gmtime_r(a0, a1);
}
var PATH = {
  splitPath: function(filename) {
    var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
    return splitPathRe.exec(filename).slice(1);
  },
  normalizeArray: function(parts, allowAboveRoot) {
    var up = 0;
    for (var i = parts.length - 1; i >= 0; i--) {
      var last = parts[i];
      if (last === ".") {
        parts.splice(i, 1);
      } else if (last === "..") {
        parts.splice(i, 1);
        up++;
      } else if (up) {
        parts.splice(i, 1);
        up--;
      }
    }
    if (allowAboveRoot) {
      for (; up; up--) {
        parts.unshift("..");
      }
    }
    return parts;
  },
  normalize: function(path) {
    var isAbsolute = path.charAt(0) === "/",
      trailingSlash = path.substr(-1) === "/";
    path = PATH.normalizeArray(
      path.split("/").filter(function(p) {
        return !!p;
      }),
      !isAbsolute
    ).join("/");
    if (!path && !isAbsolute) {
      path = ".";
    }
    if (path && trailingSlash) {
      path += "/";
    }
    return (isAbsolute ? "/" : "") + path;
  },
  dirname: function(path) {
    var result = PATH.splitPath(path),
      root = result[0],
      dir = result[1];
    if (!root && !dir) {
      return ".";
    }
    if (dir) {
      dir = dir.substr(0, dir.length - 1);
    }
    return root + dir;
  },
  basename: function(path) {
    if (path === "/") return "/";
    path = PATH.normalize(path);
    path = path.replace(/\/$/, "");
    var lastSlash = path.lastIndexOf("/");
    if (lastSlash === -1) return path;
    return path.substr(lastSlash + 1);
  },
  extname: function(path) {
    return PATH.splitPath(path)[3];
  },
  join: function() {
    var paths = Array.prototype.slice.call(arguments, 0);
    return PATH.normalize(paths.join("/"));
  },
  join2: function(l, r) {
    return PATH.normalize(l + "/" + r);
  }
};
function getRandomDevice() {
  if (
    typeof crypto === "object" &&
    typeof crypto["getRandomValues"] === "function"
  ) {
    var randomBuffer = new Uint8Array(1);
    return function() {
      crypto.getRandomValues(randomBuffer);
      return randomBuffer[0];
    };
  } else if (ENVIRONMENT_IS_NODE) {
    try {
      var crypto_module = __webpack_require__(417);
      return function() {
        return crypto_module["randomBytes"](1)[0];
      };
    } catch (e) {}
  }
  return function() {
    abort("randomDevice");
  };
}
var PATH_FS = {
  resolve: function() {
    var resolvedPath = "",
      resolvedAbsolute = false;
    for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
      var path = i >= 0 ? arguments[i] : FS.cwd();
      if (typeof path !== "string") {
        throw new TypeError("Arguments to path.resolve must be strings");
      } else if (!path) {
        return "";
      }
      resolvedPath = path + "/" + resolvedPath;
      resolvedAbsolute = path.charAt(0) === "/";
    }
    resolvedPath = PATH.normalizeArray(
      resolvedPath.split("/").filter(function(p) {
        return !!p;
      }),
      !resolvedAbsolute
    ).join("/");
    return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
  },
  relative: function(from, to) {
    from = PATH_FS.resolve(from).substr(1);
    to = PATH_FS.resolve(to).substr(1);
    function trim(arr) {
      var start = 0;
      for (; start < arr.length; start++) {
        if (arr[start] !== "") break;
      }
      var end = arr.length - 1;
      for (; end >= 0; end--) {
        if (arr[end] !== "") break;
      }
      if (start > end) return [];
      return arr.slice(start, end - start + 1);
    }
    var fromParts = trim(from.split("/"));
    var toParts = trim(to.split("/"));
    var length = Math.min(fromParts.length, toParts.length);
    var samePartsLength = length;
    for (var i = 0; i < length; i++) {
      if (fromParts[i] !== toParts[i]) {
        samePartsLength = i;
        break;
      }
    }
    var outputParts = [];
    for (var i = samePartsLength; i < fromParts.length; i++) {
      outputParts.push("..");
    }
    outputParts = outputParts.concat(toParts.slice(samePartsLength));
    return outputParts.join("/");
  }
};
var TTY = {
  ttys: [],
  init: function() {},
  shutdown: function() {},
  register: function(dev, ops) {
    TTY.ttys[dev] = { input: [], output: [], ops: ops };
    FS.registerDevice(dev, TTY.stream_ops);
  },
  stream_ops: {
    open: function(stream) {
      var tty = TTY.ttys[stream.node.rdev];
      if (!tty) {
        throw new FS.ErrnoError(43);
      }
      stream.tty = tty;
      stream.seekable = false;
    },
    close: function(stream) {
      stream.tty.ops.flush(stream.tty);
    },
    flush: function(stream) {
      stream.tty.ops.flush(stream.tty);
    },
    read: function(stream, buffer, offset, length, pos) {
      if (!stream.tty || !stream.tty.ops.get_char) {
        throw new FS.ErrnoError(60);
      }
      var bytesRead = 0;
      for (var i = 0; i < length; i++) {
        var result;
        try {
          result = stream.tty.ops.get_char(stream.tty);
        } catch (e) {
          throw new FS.ErrnoError(29);
        }
        if (result === undefined && bytesRead === 0) {
          throw new FS.ErrnoError(6);
        }
        if (result === null || result === undefined) break;
        bytesRead++;
        buffer[offset + i] = result;
      }
      if (bytesRead) {
        stream.node.timestamp = Date.now();
      }
      return bytesRead;
    },
    write: function(stream, buffer, offset, length, pos) {
      if (!stream.tty || !stream.tty.ops.put_char) {
        throw new FS.ErrnoError(60);
      }
      try {
        for (var i = 0; i < length; i++) {
          stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
        }
      } catch (e) {
        throw new FS.ErrnoError(29);
      }
      if (length) {
        stream.node.timestamp = Date.now();
      }
      return i;
    }
  },
  default_tty_ops: {
    get_char: function(tty) {
      if (!tty.input.length) {
        var result = null;
        if (ENVIRONMENT_IS_NODE) {
          var BUFSIZE = 256;
          var buf = Buffer.alloc ? Buffer.alloc(BUFSIZE) : new Buffer(BUFSIZE);
          var bytesRead = 0;
          try {
            bytesRead = nodeFS.readSync(
              process.stdin.fd,
              buf,
              0,
              BUFSIZE,
              null
            );
          } catch (e) {
            if (e.toString().includes("EOF")) bytesRead = 0;
            else throw e;
          }
          if (bytesRead > 0) {
            result = buf.slice(0, bytesRead).toString("utf-8");
          } else {
            result = null;
          }
        } else if (
          typeof window != "undefined" &&
          typeof window.prompt == "function"
        ) {
          result = window.prompt("Input: ");
          if (result !== null) {
            result += "\n";
          }
        } else if (typeof readline == "function") {
          result = readline();
          if (result !== null) {
            result += "\n";
          }
        }
        if (!result) {
          return null;
        }
        tty.input = intArrayFromString(result, true);
      }
      return tty.input.shift();
    },
    put_char: function(tty, val) {
      if (val === null || val === 10) {
        out(UTF8ArrayToString(tty.output, 0));
        tty.output = [];
      } else {
        if (val != 0) tty.output.push(val);
      }
    },
    flush: function(tty) {
      if (tty.output && tty.output.length > 0) {
        out(UTF8ArrayToString(tty.output, 0));
        tty.output = [];
      }
    }
  },
  default_tty1_ops: {
    put_char: function(tty, val) {
      if (val === null || val === 10) {
        err(UTF8ArrayToString(tty.output, 0));
        tty.output = [];
      } else {
        if (val != 0) tty.output.push(val);
      }
    },
    flush: function(tty) {
      if (tty.output && tty.output.length > 0) {
        err(UTF8ArrayToString(tty.output, 0));
        tty.output = [];
      }
    }
  }
};
function mmapAlloc(size) {
  var alignedSize = alignMemory(size, 65536);
  var ptr = _malloc(alignedSize);
  while (size < alignedSize) HEAP8[ptr + size++] = 0;
  return ptr;
}
var MEMFS = {
  ops_table: null,
  mount: function(mount) {
    return MEMFS.createNode(null, "/", 16384 | 511, 0);
  },
  createNode: function(parent, name, mode, dev) {
    if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
      throw new FS.ErrnoError(63);
    }
    if (!MEMFS.ops_table) {
      MEMFS.ops_table = {
        dir: {
          node: {
            getattr: MEMFS.node_ops.getattr,
            setattr: MEMFS.node_ops.setattr,
            lookup: MEMFS.node_ops.lookup,
            mknod: MEMFS.node_ops.mknod,
            rename: MEMFS.node_ops.rename,
            unlink: MEMFS.node_ops.unlink,
            rmdir: MEMFS.node_ops.rmdir,
            readdir: MEMFS.node_ops.readdir,
            symlink: MEMFS.node_ops.symlink
          },
          stream: { llseek: MEMFS.stream_ops.llseek }
        },
        file: {
          node: {
            getattr: MEMFS.node_ops.getattr,
            setattr: MEMFS.node_ops.setattr
          },
          stream: {
            llseek: MEMFS.stream_ops.llseek,
            read: MEMFS.stream_ops.read,
            write: MEMFS.stream_ops.write,
            allocate: MEMFS.stream_ops.allocate,
            mmap: MEMFS.stream_ops.mmap,
            msync: MEMFS.stream_ops.msync
          }
        },
        link: {
          node: {
            getattr: MEMFS.node_ops.getattr,
            setattr: MEMFS.node_ops.setattr,
            readlink: MEMFS.node_ops.readlink
          },
          stream: {}
        },
        chrdev: {
          node: {
            getattr: MEMFS.node_ops.getattr,
            setattr: MEMFS.node_ops.setattr
          },
          stream: FS.chrdev_stream_ops
        }
      };
    }
    var node = FS.createNode(parent, name, mode, dev);
    if (FS.isDir(node.mode)) {
      node.node_ops = MEMFS.ops_table.dir.node;
      node.stream_ops = MEMFS.ops_table.dir.stream;
      node.contents = {};
    } else if (FS.isFile(node.mode)) {
      node.node_ops = MEMFS.ops_table.file.node;
      node.stream_ops = MEMFS.ops_table.file.stream;
      node.usedBytes = 0;
      node.contents = null;
    } else if (FS.isLink(node.mode)) {
      node.node_ops = MEMFS.ops_table.link.node;
      node.stream_ops = MEMFS.ops_table.link.stream;
    } else if (FS.isChrdev(node.mode)) {
      node.node_ops = MEMFS.ops_table.chrdev.node;
      node.stream_ops = MEMFS.ops_table.chrdev.stream;
    }
    node.timestamp = Date.now();
    if (parent) {
      parent.contents[name] = node;
      parent.timestamp = node.timestamp;
    }
    return node;
  },
  getFileDataAsTypedArray: function(node) {
    if (!node.contents) return new Uint8Array(0);
    if (node.contents.subarray)
      return node.contents.subarray(0, node.usedBytes);
    return new Uint8Array(node.contents);
  },
  expandFileStorage: function(node, newCapacity) {
    var prevCapacity = node.contents ? node.contents.length : 0;
    if (prevCapacity >= newCapacity) return;
    var CAPACITY_DOUBLING_MAX = 1024 * 1024;
    newCapacity = Math.max(
      newCapacity,
      (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> 0
    );
    if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
    var oldContents = node.contents;
    node.contents = new Uint8Array(newCapacity);
    if (node.usedBytes > 0)
      node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
  },
  resizeFileStorage: function(node, newSize) {
    if (node.usedBytes == newSize) return;
    if (newSize == 0) {
      node.contents = null;
      node.usedBytes = 0;
    } else {
      var oldContents = node.contents;
      node.contents = new Uint8Array(newSize);
      if (oldContents) {
        node.contents.set(
          oldContents.subarray(0, Math.min(newSize, node.usedBytes))
        );
      }
      node.usedBytes = newSize;
    }
  },
  node_ops: {
    getattr: function(node) {
      var attr = {};
      attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
      attr.ino = node.id;
      attr.mode = node.mode;
      attr.nlink = 1;
      attr.uid = 0;
      attr.gid = 0;
      attr.rdev = node.rdev;
      if (FS.isDir(node.mode)) {
        attr.size = 4096;
      } else if (FS.isFile(node.mode)) {
        attr.size = node.usedBytes;
      } else if (FS.isLink(node.mode)) {
        attr.size = node.link.length;
      } else {
        attr.size = 0;
      }
      attr.atime = new Date(node.timestamp);
      attr.mtime = new Date(node.timestamp);
      attr.ctime = new Date(node.timestamp);
      attr.blksize = 4096;
      attr.blocks = Math.ceil(attr.size / attr.blksize);
      return attr;
    },
    setattr: function(node, attr) {
      if (attr.mode !== undefined) {
        node.mode = attr.mode;
      }
      if (attr.timestamp !== undefined) {
        node.timestamp = attr.timestamp;
      }
      if (attr.size !== undefined) {
        MEMFS.resizeFileStorage(node, attr.size);
      }
    },
    lookup: function(parent, name) {
      throw FS.genericErrors[44];
    },
    mknod: function(parent, name, mode, dev) {
      return MEMFS.createNode(parent, name, mode, dev);
    },
    rename: function(old_node, new_dir, new_name) {
      if (FS.isDir(old_node.mode)) {
        var new_node;
        try {
          new_node = FS.lookupNode(new_dir, new_name);
        } catch (e) {}
        if (new_node) {
          for (var i in new_node.contents) {
            throw new FS.ErrnoError(55);
          }
        }
      }
      delete old_node.parent.contents[old_node.name];
      old_node.parent.timestamp = Date.now();
      old_node.name = new_name;
      new_dir.contents[new_name] = old_node;
      new_dir.timestamp = old_node.parent.timestamp;
      old_node.parent = new_dir;
    },
    unlink: function(parent, name) {
      delete parent.contents[name];
      parent.timestamp = Date.now();
    },
    rmdir: function(parent, name) {
      var node = FS.lookupNode(parent, name);
      for (var i in node.contents) {
        throw new FS.ErrnoError(55);
      }
      delete parent.contents[name];
      parent.timestamp = Date.now();
    },
    readdir: function(node) {
      var entries = [".", ".."];
      for (var key in node.contents) {
        if (!node.contents.hasOwnProperty(key)) {
          continue;
        }
        entries.push(key);
      }
      return entries;
    },
    symlink: function(parent, newname, oldpath) {
      var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
      node.link = oldpath;
      return node;
    },
    readlink: function(node) {
      if (!FS.isLink(node.mode)) {
        throw new FS.ErrnoError(28);
      }
      return node.link;
    }
  },
  stream_ops: {
    read: function(stream, buffer, offset, length, position) {
      var contents = stream.node.contents;
      if (position >= stream.node.usedBytes) return 0;
      var size = Math.min(stream.node.usedBytes - position, length);
      if (size > 8 && contents.subarray) {
        buffer.set(contents.subarray(position, position + size), offset);
      } else {
        for (var i = 0; i < size; i++)
          buffer[offset + i] = contents[position + i];
      }
      return size;
    },
    write: function(stream, buffer, offset, length, position, canOwn) {
      if (buffer.buffer === HEAP8.buffer) {
        canOwn = false;
      }
      if (!length) return 0;
      var node = stream.node;
      node.timestamp = Date.now();
      if (buffer.subarray && (!node.contents || node.contents.subarray)) {
        if (canOwn) {
          node.contents = buffer.subarray(offset, offset + length);
          node.usedBytes = length;
          return length;
        } else if (node.usedBytes === 0 && position === 0) {
          node.contents = buffer.slice(offset, offset + length);
          node.usedBytes = length;
          return length;
        } else if (position + length <= node.usedBytes) {
          node.contents.set(buffer.subarray(offset, offset + length), position);
          return length;
        }
      }
      MEMFS.expandFileStorage(node, position + length);
      if (node.contents.subarray && buffer.subarray) {
        node.contents.set(buffer.subarray(offset, offset + length), position);
      } else {
        for (var i = 0; i < length; i++) {
          node.contents[position + i] = buffer[offset + i];
        }
      }
      node.usedBytes = Math.max(node.usedBytes, position + length);
      return length;
    },
    llseek: function(stream, offset, whence) {
      var position = offset;
      if (whence === 1) {
        position += stream.position;
      } else if (whence === 2) {
        if (FS.isFile(stream.node.mode)) {
          position += stream.node.usedBytes;
        }
      }
      if (position < 0) {
        throw new FS.ErrnoError(28);
      }
      return position;
    },
    allocate: function(stream, offset, length) {
      MEMFS.expandFileStorage(stream.node, offset + length);
      stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
    },
    mmap: function(stream, address, length, position, prot, flags) {
      if (address !== 0) {
        throw new FS.ErrnoError(28);
      }
      if (!FS.isFile(stream.node.mode)) {
        throw new FS.ErrnoError(43);
      }
      var ptr;
      var allocated;
      var contents = stream.node.contents;
      if (!(flags & 2) && contents.buffer === buffer) {
        allocated = false;
        ptr = contents.byteOffset;
      } else {
        if (position > 0 || position + length < contents.length) {
          if (contents.subarray) {
            contents = contents.subarray(position, position + length);
          } else {
            contents = Array.prototype.slice.call(
              contents,
              position,
              position + length
            );
          }
        }
        allocated = true;
        ptr = mmapAlloc(length);
        if (!ptr) {
          throw new FS.ErrnoError(48);
        }
        HEAP8.set(contents, ptr);
      }
      return { ptr: ptr, allocated: allocated };
    },
    msync: function(stream, buffer, offset, length, mmapFlags) {
      if (!FS.isFile(stream.node.mode)) {
        throw new FS.ErrnoError(43);
      }
      if (mmapFlags & 2) {
        return 0;
      }
      var bytesWritten = MEMFS.stream_ops.write(
        stream,
        buffer,
        0,
        length,
        offset,
        false
      );
      return 0;
    }
  }
};
var ERRNO_CODES = {
  EPERM: 63,
  ENOENT: 44,
  ESRCH: 71,
  EINTR: 27,
  EIO: 29,
  ENXIO: 60,
  E2BIG: 1,
  ENOEXEC: 45,
  EBADF: 8,
  ECHILD: 12,
  EAGAIN: 6,
  EWOULDBLOCK: 6,
  ENOMEM: 48,
  EACCES: 2,
  EFAULT: 21,
  ENOTBLK: 105,
  EBUSY: 10,
  EEXIST: 20,
  EXDEV: 75,
  ENODEV: 43,
  ENOTDIR: 54,
  EISDIR: 31,
  EINVAL: 28,
  ENFILE: 41,
  EMFILE: 33,
  ENOTTY: 59,
  ETXTBSY: 74,
  EFBIG: 22,
  ENOSPC: 51,
  ESPIPE: 70,
  EROFS: 69,
  EMLINK: 34,
  EPIPE: 64,
  EDOM: 18,
  ERANGE: 68,
  ENOMSG: 49,
  EIDRM: 24,
  ECHRNG: 106,
  EL2NSYNC: 156,
  EL3HLT: 107,
  EL3RST: 108,
  ELNRNG: 109,
  EUNATCH: 110,
  ENOCSI: 111,
  EL2HLT: 112,
  EDEADLK: 16,
  ENOLCK: 46,
  EBADE: 113,
  EBADR: 114,
  EXFULL: 115,
  ENOANO: 104,
  EBADRQC: 103,
  EBADSLT: 102,
  EDEADLOCK: 16,
  EBFONT: 101,
  ENOSTR: 100,
  ENODATA: 116,
  ETIME: 117,
  ENOSR: 118,
  ENONET: 119,
  ENOPKG: 120,
  EREMOTE: 121,
  ENOLINK: 47,
  EADV: 122,
  ESRMNT: 123,
  ECOMM: 124,
  EPROTO: 65,
  EMULTIHOP: 36,
  EDOTDOT: 125,
  EBADMSG: 9,
  ENOTUNIQ: 126,
  EBADFD: 127,
  EREMCHG: 128,
  ELIBACC: 129,
  ELIBBAD: 130,
  ELIBSCN: 131,
  ELIBMAX: 132,
  ELIBEXEC: 133,
  ENOSYS: 52,
  ENOTEMPTY: 55,
  ENAMETOOLONG: 37,
  ELOOP: 32,
  EOPNOTSUPP: 138,
  EPFNOSUPPORT: 139,
  ECONNRESET: 15,
  ENOBUFS: 42,
  EAFNOSUPPORT: 5,
  EPROTOTYPE: 67,
  ENOTSOCK: 57,
  ENOPROTOOPT: 50,
  ESHUTDOWN: 140,
  ECONNREFUSED: 14,
  EADDRINUSE: 3,
  ECONNABORTED: 13,
  ENETUNREACH: 40,
  ENETDOWN: 38,
  ETIMEDOUT: 73,
  EHOSTDOWN: 142,
  EHOSTUNREACH: 23,
  EINPROGRESS: 26,
  EALREADY: 7,
  EDESTADDRREQ: 17,
  EMSGSIZE: 35,
  EPROTONOSUPPORT: 66,
  ESOCKTNOSUPPORT: 137,
  EADDRNOTAVAIL: 4,
  ENETRESET: 39,
  EISCONN: 30,
  ENOTCONN: 53,
  ETOOMANYREFS: 141,
  EUSERS: 136,
  EDQUOT: 19,
  ESTALE: 72,
  ENOTSUP: 138,
  ENOMEDIUM: 148,
  EILSEQ: 25,
  EOVERFLOW: 61,
  ECANCELED: 11,
  ENOTRECOVERABLE: 56,
  EOWNERDEAD: 62,
  ESTRPIPE: 135
};
var NODEFS = {
  isWindows: false,
  staticInit: function() {
    NODEFS.isWindows = !!process.platform.match(/^win/);
    var flags = { fs: fs.constants };
    if (flags["fs"]) {
      flags = flags["fs"];
    }
    NODEFS.flagsForNodeMap = {
      1024: flags["O_APPEND"],
      64: flags["O_CREAT"],
      128: flags["O_EXCL"],
      256: flags["O_NOCTTY"],
      0: flags["O_RDONLY"],
      2: flags["O_RDWR"],
      4096: flags["O_SYNC"],
      512: flags["O_TRUNC"],
      1: flags["O_WRONLY"]
    };
  },
  bufferFrom: function(arrayBuffer) {
    return Buffer["alloc"] ? Buffer.from(arrayBuffer) : new Buffer(arrayBuffer);
  },
  convertNodeCode: function(e) {
    var code = e.code;
    return ERRNO_CODES[code];
  },
  mount: function(mount) {
    return NODEFS.createNode(null, "/", NODEFS.getMode(mount.opts.root), 0);
  },
  createNode: function(parent, name, mode, dev) {
    if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
      throw new FS.ErrnoError(28);
    }
    var node = FS.createNode(parent, name, mode);
    node.node_ops = NODEFS.node_ops;
    node.stream_ops = NODEFS.stream_ops;
    return node;
  },
  getMode: function(path) {
    var stat;
    try {
      stat = fs.lstatSync(path);
      if (NODEFS.isWindows) {
        stat.mode = stat.mode | ((stat.mode & 292) >> 2);
      }
    } catch (e) {
      if (!e.code) throw e;
      throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
    }
    return stat.mode;
  },
  realPath: function(node) {
    var parts = [];
    while (node.parent !== node) {
      parts.push(node.name);
      node = node.parent;
    }
    parts.push(node.mount.opts.root);
    parts.reverse();
    return PATH.join.apply(null, parts);
  },
  flagsForNode: function(flags) {
    flags &= ~2097152;
    flags &= ~2048;
    flags &= ~32768;
    flags &= ~524288;
    var newFlags = 0;
    for (var k in NODEFS.flagsForNodeMap) {
      if (flags & k) {
        newFlags |= NODEFS.flagsForNodeMap[k];
        flags ^= k;
      }
    }
    if (!flags) {
      return newFlags;
    } else {
      throw new FS.ErrnoError(28);
    }
  },
  node_ops: {
    getattr: function(node) {
      var path = NODEFS.realPath(node);
      var stat;
      try {
        stat = fs.lstatSync(path);
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
      if (NODEFS.isWindows && !stat.blksize) {
        stat.blksize = 4096;
      }
      if (NODEFS.isWindows && !stat.blocks) {
        stat.blocks = ((stat.size + stat.blksize - 1) / stat.blksize) | 0;
      }
      return {
        dev: stat.dev,
        ino: stat.ino,
        mode: stat.mode,
        nlink: stat.nlink,
        uid: stat.uid,
        gid: stat.gid,
        rdev: stat.rdev,
        size: stat.size,
        atime: stat.atime,
        mtime: stat.mtime,
        ctime: stat.ctime,
        blksize: stat.blksize,
        blocks: stat.blocks
      };
    },
    setattr: function(node, attr) {
      var path = NODEFS.realPath(node);
      try {
        if (attr.mode !== undefined) {
          fs.chmodSync(path, attr.mode);
          node.mode = attr.mode;
        }
        if (attr.timestamp !== undefined) {
          var date = new Date(attr.timestamp);
          fs.utimesSync(path, date, date);
        }
        if (attr.size !== undefined) {
          fs.truncateSync(path, attr.size);
        }
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    lookup: function(parent, name) {
      var path = PATH.join2(NODEFS.realPath(parent), name);
      var mode = NODEFS.getMode(path);
      return NODEFS.createNode(parent, name, mode);
    },
    mknod: function(parent, name, mode, dev) {
      var node = NODEFS.createNode(parent, name, mode, dev);
      var path = NODEFS.realPath(node);
      try {
        if (FS.isDir(node.mode)) {
          fs.mkdirSync(path, node.mode);
        } else {
          fs.writeFileSync(path, "", { mode: node.mode });
        }
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
      return node;
    },
    rename: function(oldNode, newDir, newName) {
      var oldPath = NODEFS.realPath(oldNode);
      var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
      try {
        fs.renameSync(oldPath, newPath);
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
      oldNode.name = newName;
    },
    unlink: function(parent, name) {
      var path = PATH.join2(NODEFS.realPath(parent), name);
      try {
        fs.unlinkSync(path);
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    rmdir: function(parent, name) {
      var path = PATH.join2(NODEFS.realPath(parent), name);
      try {
        fs.rmdirSync(path);
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    readdir: function(node) {
      var path = NODEFS.realPath(node);
      try {
        return fs.readdirSync(path);
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    symlink: function(parent, newName, oldPath) {
      var newPath = PATH.join2(NODEFS.realPath(parent), newName);
      try {
        fs.symlinkSync(oldPath, newPath);
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    readlink: function(node) {
      var path = NODEFS.realPath(node);
      try {
        path = fs.readlinkSync(path);
        path = NODEJS_PATH.relative(
          NODEJS_PATH.resolve(node.mount.opts.root),
          path
        );
        return path;
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    }
  },
  stream_ops: {
    open: function(stream) {
      var path = NODEFS.realPath(stream.node);
      try {
        if (FS.isFile(stream.node.mode)) {
          stream.nfd = fs.openSync(path, NODEFS.flagsForNode(stream.flags));
        }
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    close: function(stream) {
      try {
        if (FS.isFile(stream.node.mode) && stream.nfd) {
          fs.closeSync(stream.nfd);
        }
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    read: function(stream, buffer, offset, length, position) {
      if (length === 0) return 0;
      try {
        return fs.readSync(
          stream.nfd,
          NODEFS.bufferFrom(buffer.buffer),
          offset,
          length,
          position
        );
      } catch (e) {
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    write: function(stream, buffer, offset, length, position) {
      try {
        return fs.writeSync(
          stream.nfd,
          NODEFS.bufferFrom(buffer.buffer),
          offset,
          length,
          position
        );
      } catch (e) {
        throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
      }
    },
    llseek: function(stream, offset, whence) {
      var position = offset;
      if (whence === 1) {
        position += stream.position;
      } else if (whence === 2) {
        if (FS.isFile(stream.node.mode)) {
          try {
            var stat = fs.fstatSync(stream.nfd);
            position += stat.size;
          } catch (e) {
            throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
          }
        }
      }
      if (position < 0) {
        throw new FS.ErrnoError(28);
      }
      return position;
    },
    mmap: function(stream, address, length, position, prot, flags) {
      if (address !== 0) {
        throw new FS.ErrnoError(28);
      }
      if (!FS.isFile(stream.node.mode)) {
        throw new FS.ErrnoError(43);
      }
      var ptr = mmapAlloc(length);
      NODEFS.stream_ops.read(stream, HEAP8, ptr, length, position);
      return { ptr: ptr, allocated: true };
    },
    msync: function(stream, buffer, offset, length, mmapFlags) {
      if (!FS.isFile(stream.node.mode)) {
        throw new FS.ErrnoError(43);
      }
      if (mmapFlags & 2) {
        return 0;
      }
      var bytesWritten = NODEFS.stream_ops.write(
        stream,
        buffer,
        0,
        length,
        offset,
        false
      );
      return 0;
    }
  }
};
var NODERAWFS = {
  lookupPath: function(path) {
    return { path: path, node: { mode: NODEFS.getMode(path) } };
  },
  createStandardStreams: function() {
    FS.streams[0] = {
      fd: 0,
      nfd: 0,
      position: 0,
      path: "",
      flags: 0,
      tty: true,
      seekable: false
    };
    for (var i = 1; i < 3; i++) {
      FS.streams[i] = {
        fd: i,
        nfd: i,
        position: 0,
        path: "",
        flags: 577,
        tty: true,
        seekable: false
      };
    }
  },
  cwd: function() {
    return process.cwd();
  },
  chdir: function() {
    process.chdir.apply(void 0, arguments);
  },
  mknod: function(path, mode) {
    if (FS.isDir(path)) {
      fs.mkdirSync(path, mode);
    } else {
      fs.writeFileSync(path, "", { mode: mode });
    }
  },
  mkdir: function() {
    fs.mkdirSync.apply(void 0, arguments);
  },
  symlink: function() {
    fs.symlinkSync.apply(void 0, arguments);
  },
  rename: function() {
    fs.renameSync.apply(void 0, arguments);
  },
  rmdir: function() {
    fs.rmdirSync.apply(void 0, arguments);
  },
  readdir: function() {
    fs.readdirSync.apply(void 0, arguments);
  },
  unlink: function() {
    fs.unlinkSync.apply(void 0, arguments);
  },
  readlink: function() {
    return fs.readlinkSync.apply(void 0, arguments);
  },
  stat: function() {
    return fs.statSync.apply(void 0, arguments);
  },
  lstat: function() {
    return fs.lstatSync.apply(void 0, arguments);
  },
  chmod: function() {
    fs.chmodSync.apply(void 0, arguments);
  },
  fchmod: function() {
    fs.fchmodSync.apply(void 0, arguments);
  },
  chown: function() {
    fs.chownSync.apply(void 0, arguments);
  },
  fchown: function() {
    fs.fchownSync.apply(void 0, arguments);
  },
  truncate: function() {
    fs.truncateSync.apply(void 0, arguments);
  },
  ftruncate: function(fd, len) {
    if (len < 0) {
      throw new FS.ErrnoError(28);
    }
    fs.ftruncateSync.apply(void 0, arguments);
  },
  utime: function() {
    fs.utimesSync.apply(void 0, arguments);
  },
  open: function(path, flags, mode, suggestFD) {
    if (typeof flags === "string") {
      flags = VFS.modeStringToFlags(flags);
    }
    var nfd = fs.openSync(path, NODEFS.flagsForNode(flags), mode);
    var fd = suggestFD != null ? suggestFD : FS.nextfd(nfd);
    var stream = {
      fd: fd,
      nfd: nfd,
      position: 0,
      path: path,
      flags: flags,
      seekable: true
    };
    FS.streams[fd] = stream;
    return stream;
  },
  close: function(stream) {
    if (!stream.stream_ops) {
      fs.closeSync(stream.nfd);
    }
    FS.closeStream(stream.fd);
  },
  llseek: function(stream, offset, whence) {
    if (stream.stream_ops) {
      return VFS.llseek(stream, offset, whence);
    }
    var position = offset;
    if (whence === 1) {
      position += stream.position;
    } else if (whence === 2) {
      position += fs.fstatSync(stream.nfd).size;
    } else if (whence !== 0) {
      throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
    }
    if (position < 0) {
      throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
    }
    stream.position = position;
    return position;
  },
  read: function(stream, buffer, offset, length, position) {
    if (stream.stream_ops) {
      return VFS.read(stream, buffer, offset, length, position);
    }
    var seeking = typeof position !== "undefined";
    if (!seeking && stream.seekable) position = stream.position;
    var bytesRead = fs.readSync(
      stream.nfd,
      NODEFS.bufferFrom(buffer.buffer),
      offset,
      length,
      position
    );
    if (!seeking) stream.position += bytesRead;
    return bytesRead;
  },
  write: function(stream, buffer, offset, length, position) {
    if (stream.stream_ops) {
      return VFS.write(stream, buffer, offset, length, position);
    }
    if (stream.flags & +"1024") {
      FS.llseek(stream, 0, +"2");
    }
    var seeking = typeof position !== "undefined";
    if (!seeking && stream.seekable) position = stream.position;
    var bytesWritten = fs.writeSync(
      stream.nfd,
      NODEFS.bufferFrom(buffer.buffer),
      offset,
      length,
      position
    );
    if (!seeking) stream.position += bytesWritten;
    return bytesWritten;
  },
  allocate: function() {
    throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
  },
  mmap: function(stream, address, length, position, prot, flags) {
    if (stream.stream_ops) {
      return VFS.mmap(stream, address, length, position, prot, flags);
    }
    if (address !== 0) {
      throw new FS.ErrnoError(28);
    }
    var ptr = mmapAlloc(length);
    FS.read(stream, HEAP8, ptr, length, position);
    return { ptr: ptr, allocated: true };
  },
  msync: function(stream, buffer, offset, length, mmapFlags) {
    if (stream.stream_ops) {
      return VFS.msync(stream, buffer, offset, length, mmapFlags);
    }
    if (mmapFlags & 2) {
      return 0;
    }
    FS.write(stream, buffer, 0, length, offset);
    return 0;
  },
  munmap: function() {
    return 0;
  },
  ioctl: function() {
    throw new FS.ErrnoError(ERRNO_CODES.ENOTTY);
  }
};
var FS = {
  root: null,
  mounts: [],
  devices: {},
  streams: [],
  nextInode: 1,
  nameTable: null,
  currentPath: "/",
  initialized: false,
  ignorePermissions: true,
  trackingDelegate: {},
  tracking: { openFlags: { READ: 1, WRITE: 2 } },
  ErrnoError: null,
  genericErrors: {},
  filesystems: null,
  syncFSRequests: 0,
  lookupPath: function(path, opts) {
    path = PATH_FS.resolve(FS.cwd(), path);
    opts = opts || {};
    if (!path) return { path: "", node: null };
    var defaults = { follow_mount: true, recurse_count: 0 };
    for (var key in defaults) {
      if (opts[key] === undefined) {
        opts[key] = defaults[key];
      }
    }
    if (opts.recurse_count > 8) {
      throw new FS.ErrnoError(32);
    }
    var parts = PATH.normalizeArray(
      path.split("/").filter(function(p) {
        return !!p;
      }),
      false
    );
    var current = FS.root;
    var current_path = "/";
    for (var i = 0; i < parts.length; i++) {
      var islast = i === parts.length - 1;
      if (islast && opts.parent) {
        break;
      }
      current = FS.lookupNode(current, parts[i]);
      current_path = PATH.join2(current_path, parts[i]);
      if (FS.isMountpoint(current)) {
        if (!islast || (islast && opts.follow_mount)) {
          current = current.mounted.root;
        }
      }
      if (!islast || opts.follow) {
        var count = 0;
        while (FS.isLink(current.mode)) {
          var link = FS.readlink(current_path);
          current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
          var lookup = FS.lookupPath(current_path, {
            recurse_count: opts.recurse_count
          });
          current = lookup.node;
          if (count++ > 40) {
            throw new FS.ErrnoError(32);
          }
        }
      }
    }
    return { path: current_path, node: current };
  },
  getPath: function(node) {
    var path;
    while (true) {
      if (FS.isRoot(node)) {
        var mount = node.mount.mountpoint;
        if (!path) return mount;
        return mount[mount.length - 1] !== "/"
          ? mount + "/" + path
          : mount + path;
      }
      path = path ? node.name + "/" + path : node.name;
      node = node.parent;
    }
  },
  hashName: function(parentid, name) {
    var hash = 0;
    for (var i = 0; i < name.length; i++) {
      hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
    }
    return ((parentid + hash) >>> 0) % FS.nameTable.length;
  },
  hashAddNode: function(node) {
    var hash = FS.hashName(node.parent.id, node.name);
    node.name_next = FS.nameTable[hash];
    FS.nameTable[hash] = node;
  },
  hashRemoveNode: function(node) {
    var hash = FS.hashName(node.parent.id, node.name);
    if (FS.nameTable[hash] === node) {
      FS.nameTable[hash] = node.name_next;
    } else {
      var current = FS.nameTable[hash];
      while (current) {
        if (current.name_next === node) {
          current.name_next = node.name_next;
          break;
        }
        current = current.name_next;
      }
    }
  },
  lookupNode: function(parent, name) {
    var errCode = FS.mayLookup(parent);
    if (errCode) {
      throw new FS.ErrnoError(errCode, parent);
    }
    var hash = FS.hashName(parent.id, name);
    for (var node = FS.nameTable[hash]; node; node = node.name_next) {
      var nodeName = node.name;
      if (node.parent.id === parent.id && nodeName === name) {
        return node;
      }
    }
    return FS.lookup(parent, name);
  },
  createNode: function(parent, name, mode, rdev) {
    var node = new FS.FSNode(parent, name, mode, rdev);
    FS.hashAddNode(node);
    return node;
  },
  destroyNode: function(node) {
    FS.hashRemoveNode(node);
  },
  isRoot: function(node) {
    return node === node.parent;
  },
  isMountpoint: function(node) {
    return !!node.mounted;
  },
  isFile: function(mode) {
    return (mode & 61440) === 32768;
  },
  isDir: function(mode) {
    return (mode & 61440) === 16384;
  },
  isLink: function(mode) {
    return (mode & 61440) === 40960;
  },
  isChrdev: function(mode) {
    return (mode & 61440) === 8192;
  },
  isBlkdev: function(mode) {
    return (mode & 61440) === 24576;
  },
  isFIFO: function(mode) {
    return (mode & 61440) === 4096;
  },
  isSocket: function(mode) {
    return (mode & 49152) === 49152;
  },
  flagModes: { r: 0, "r+": 2, w: 577, "w+": 578, a: 1089, "a+": 1090 },
  modeStringToFlags: function(str) {
    var flags = FS.flagModes[str];
    if (typeof flags === "undefined") {
      throw new Error("Unknown file open mode: " + str);
    }
    return flags;
  },
  flagsToPermissionString: function(flag) {
    var perms = ["r", "w", "rw"][flag & 3];
    if (flag & 512) {
      perms += "w";
    }
    return perms;
  },
  nodePermissions: function(node, perms) {
    if (FS.ignorePermissions) {
      return 0;
    }
    if (perms.includes("r") && !(node.mode & 292)) {
      return 2;
    } else if (perms.includes("w") && !(node.mode & 146)) {
      return 2;
    } else if (perms.includes("x") && !(node.mode & 73)) {
      return 2;
    }
    return 0;
  },
  mayLookup: function(dir) {
    var errCode = FS.nodePermissions(dir, "x");
    if (errCode) return errCode;
    if (!dir.node_ops.lookup) return 2;
    return 0;
  },
  mayCreate: function(dir, name) {
    try {
      var node = FS.lookupNode(dir, name);
      return 20;
    } catch (e) {}
    return FS.nodePermissions(dir, "wx");
  },
  mayDelete: function(dir, name, isdir) {
    var node;
    try {
      node = FS.lookupNode(dir, name);
    } catch (e) {
      return e.errno;
    }
    var errCode = FS.nodePermissions(dir, "wx");
    if (errCode) {
      return errCode;
    }
    if (isdir) {
      if (!FS.isDir(node.mode)) {
        return 54;
      }
      if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
        return 10;
      }
    } else {
      if (FS.isDir(node.mode)) {
        return 31;
      }
    }
    return 0;
  },
  mayOpen: function(node, flags) {
    if (!node) {
      return 44;
    }
    if (FS.isLink(node.mode)) {
      return 32;
    } else if (FS.isDir(node.mode)) {
      if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
        return 31;
      }
    }
    return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
  },
  MAX_OPEN_FDS: 4096,
  nextfd: function(fd_start, fd_end) {
    fd_start = fd_start || 0;
    fd_end = fd_end || FS.MAX_OPEN_FDS;
    for (var fd = fd_start; fd <= fd_end; fd++) {
      if (!FS.streams[fd]) {
        return fd;
      }
    }
    throw new FS.ErrnoError(33);
  },
  getStream: function(fd) {
    return FS.streams[fd];
  },
  createStream: function(stream, fd_start, fd_end) {
    if (!FS.FSStream) {
      FS.FSStream = function() {};
      FS.FSStream.prototype = {
        object: {
          get: function() {
            return this.node;
          },
          set: function(val) {
            this.node = val;
          }
        },
        isRead: {
          get: function() {
            return (this.flags & 2097155) !== 1;
          }
        },
        isWrite: {
          get: function() {
            return (this.flags & 2097155) !== 0;
          }
        },
        isAppend: {
          get: function() {
            return this.flags & 1024;
          }
        }
      };
    }
    var newStream = new FS.FSStream();
    for (var p in stream) {
      newStream[p] = stream[p];
    }
    stream = newStream;
    var fd = FS.nextfd(fd_start, fd_end);
    stream.fd = fd;
    FS.streams[fd] = stream;
    return stream;
  },
  closeStream: function(fd) {
    FS.streams[fd] = null;
  },
  chrdev_stream_ops: {
    open: function(stream) {
      var device = FS.getDevice(stream.node.rdev);
      stream.stream_ops = device.stream_ops;
      if (stream.stream_ops.open) {
        stream.stream_ops.open(stream);
      }
    },
    llseek: function() {
      throw new FS.ErrnoError(70);
    }
  },
  major: function(dev) {
    return dev >> 8;
  },
  minor: function(dev) {
    return dev & 255;
  },
  makedev: function(ma, mi) {
    return (ma << 8) | mi;
  },
  registerDevice: function(dev, ops) {
    FS.devices[dev] = { stream_ops: ops };
  },
  getDevice: function(dev) {
    return FS.devices[dev];
  },
  getMounts: function(mount) {
    var mounts = [];
    var check = [mount];
    while (check.length) {
      var m = check.pop();
      mounts.push(m);
      check.push.apply(check, m.mounts);
    }
    return mounts;
  },
  syncfs: function(populate, callback) {
    if (typeof populate === "function") {
      callback = populate;
      populate = false;
    }
    FS.syncFSRequests++;
    if (FS.syncFSRequests > 1) {
      err(
        "warning: " +
          FS.syncFSRequests +
          " FS.syncfs operations in flight at once, probably just doing extra work"
      );
    }
    var mounts = FS.getMounts(FS.root.mount);
    var completed = 0;
    function doCallback(errCode) {
      FS.syncFSRequests--;
      return callback(errCode);
    }
    function done(errCode) {
      if (errCode) {
        if (!done.errored) {
          done.errored = true;
          return doCallback(errCode);
        }
        return;
      }
      if (++completed >= mounts.length) {
        doCallback(null);
      }
    }
    mounts.forEach(function(mount) {
      if (!mount.type.syncfs) {
        return done(null);
      }
      mount.type.syncfs(mount, populate, done);
    });
  },
  mount: function(type, opts, mountpoint) {
    var root = mountpoint === "/";
    var pseudo = !mountpoint;
    var node;
    if (root && FS.root) {
      throw new FS.ErrnoError(10);
    } else if (!root && !pseudo) {
      var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
      mountpoint = lookup.path;
      node = lookup.node;
      if (FS.isMountpoint(node)) {
        throw new FS.ErrnoError(10);
      }
      if (!FS.isDir(node.mode)) {
        throw new FS.ErrnoError(54);
      }
    }
    var mount = { type: type, opts: opts, mountpoint: mountpoint, mounts: [] };
    var mountRoot = type.mount(mount);
    mountRoot.mount = mount;
    mount.root = mountRoot;
    if (root) {
      FS.root = mountRoot;
    } else if (node) {
      node.mounted = mount;
      if (node.mount) {
        node.mount.mounts.push(mount);
      }
    }
    return mountRoot;
  },
  unmount: function(mountpoint) {
    var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
    if (!FS.isMountpoint(lookup.node)) {
      throw new FS.ErrnoError(28);
    }
    var node = lookup.node;
    var mount = node.mounted;
    var mounts = FS.getMounts(mount);
    Object.keys(FS.nameTable).forEach(function(hash) {
      var current = FS.nameTable[hash];
      while (current) {
        var next = current.name_next;
        if (mounts.includes(current.mount)) {
          FS.destroyNode(current);
        }
        current = next;
      }
    });
    node.mounted = null;
    var idx = node.mount.mounts.indexOf(mount);
    node.mount.mounts.splice(idx, 1);
  },
  lookup: function(parent, name) {
    return parent.node_ops.lookup(parent, name);
  },
  mknod: function(path, mode, dev) {
    var lookup = FS.lookupPath(path, { parent: true });
    var parent = lookup.node;
    var name = PATH.basename(path);
    if (!name || name === "." || name === "..") {
      throw new FS.ErrnoError(28);
    }
    var errCode = FS.mayCreate(parent, name);
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    if (!parent.node_ops.mknod) {
      throw new FS.ErrnoError(63);
    }
    return parent.node_ops.mknod(parent, name, mode, dev);
  },
  create: function(path, mode) {
    mode = mode !== undefined ? mode : 438;
    mode &= 4095;
    mode |= 32768;
    return FS.mknod(path, mode, 0);
  },
  mkdir: function(path, mode) {
    mode = mode !== undefined ? mode : 511;
    mode &= 511 | 512;
    mode |= 16384;
    return FS.mknod(path, mode, 0);
  },
  mkdirTree: function(path, mode) {
    var dirs = path.split("/");
    var d = "";
    for (var i = 0; i < dirs.length; ++i) {
      if (!dirs[i]) continue;
      d += "/" + dirs[i];
      try {
        FS.mkdir(d, mode);
      } catch (e) {
        if (e.errno != 20) throw e;
      }
    }
  },
  mkdev: function(path, mode, dev) {
    if (typeof dev === "undefined") {
      dev = mode;
      mode = 438;
    }
    mode |= 8192;
    return FS.mknod(path, mode, dev);
  },
  symlink: function(oldpath, newpath) {
    if (!PATH_FS.resolve(oldpath)) {
      throw new FS.ErrnoError(44);
    }
    var lookup = FS.lookupPath(newpath, { parent: true });
    var parent = lookup.node;
    if (!parent) {
      throw new FS.ErrnoError(44);
    }
    var newname = PATH.basename(newpath);
    var errCode = FS.mayCreate(parent, newname);
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    if (!parent.node_ops.symlink) {
      throw new FS.ErrnoError(63);
    }
    return parent.node_ops.symlink(parent, newname, oldpath);
  },
  rename: function(old_path, new_path) {
    var old_dirname = PATH.dirname(old_path);
    var new_dirname = PATH.dirname(new_path);
    var old_name = PATH.basename(old_path);
    var new_name = PATH.basename(new_path);
    var lookup, old_dir, new_dir;
    lookup = FS.lookupPath(old_path, { parent: true });
    old_dir = lookup.node;
    lookup = FS.lookupPath(new_path, { parent: true });
    new_dir = lookup.node;
    if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
    if (old_dir.mount !== new_dir.mount) {
      throw new FS.ErrnoError(75);
    }
    var old_node = FS.lookupNode(old_dir, old_name);
    var relative = PATH_FS.relative(old_path, new_dirname);
    if (relative.charAt(0) !== ".") {
      throw new FS.ErrnoError(28);
    }
    relative = PATH_FS.relative(new_path, old_dirname);
    if (relative.charAt(0) !== ".") {
      throw new FS.ErrnoError(55);
    }
    var new_node;
    try {
      new_node = FS.lookupNode(new_dir, new_name);
    } catch (e) {}
    if (old_node === new_node) {
      return;
    }
    var isdir = FS.isDir(old_node.mode);
    var errCode = FS.mayDelete(old_dir, old_name, isdir);
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    errCode = new_node
      ? FS.mayDelete(new_dir, new_name, isdir)
      : FS.mayCreate(new_dir, new_name);
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    if (!old_dir.node_ops.rename) {
      throw new FS.ErrnoError(63);
    }
    if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
      throw new FS.ErrnoError(10);
    }
    if (new_dir !== old_dir) {
      errCode = FS.nodePermissions(old_dir, "w");
      if (errCode) {
        throw new FS.ErrnoError(errCode);
      }
    }
    try {
      if (FS.trackingDelegate["willMovePath"]) {
        FS.trackingDelegate["willMovePath"](old_path, new_path);
      }
    } catch (e) {
      err(
        "FS.trackingDelegate['willMovePath']('" +
          old_path +
          "', '" +
          new_path +
          "') threw an exception: " +
          e.message
      );
    }
    FS.hashRemoveNode(old_node);
    try {
      old_dir.node_ops.rename(old_node, new_dir, new_name);
    } catch (e) {
      throw e;
    } finally {
      FS.hashAddNode(old_node);
    }
    try {
      if (FS.trackingDelegate["onMovePath"])
        FS.trackingDelegate["onMovePath"](old_path, new_path);
    } catch (e) {
      err(
        "FS.trackingDelegate['onMovePath']('" +
          old_path +
          "', '" +
          new_path +
          "') threw an exception: " +
          e.message
      );
    }
  },
  rmdir: function(path) {
    var lookup = FS.lookupPath(path, { parent: true });
    var parent = lookup.node;
    var name = PATH.basename(path);
    var node = FS.lookupNode(parent, name);
    var errCode = FS.mayDelete(parent, name, true);
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    if (!parent.node_ops.rmdir) {
      throw new FS.ErrnoError(63);
    }
    if (FS.isMountpoint(node)) {
      throw new FS.ErrnoError(10);
    }
    try {
      if (FS.trackingDelegate["willDeletePath"]) {
        FS.trackingDelegate["willDeletePath"](path);
      }
    } catch (e) {
      err(
        "FS.trackingDelegate['willDeletePath']('" +
          path +
          "') threw an exception: " +
          e.message
      );
    }
    parent.node_ops.rmdir(parent, name);
    FS.destroyNode(node);
    try {
      if (FS.trackingDelegate["onDeletePath"])
        FS.trackingDelegate["onDeletePath"](path);
    } catch (e) {
      err(
        "FS.trackingDelegate['onDeletePath']('" +
          path +
          "') threw an exception: " +
          e.message
      );
    }
  },
  readdir: function(path) {
    var lookup = FS.lookupPath(path, { follow: true });
    var node = lookup.node;
    if (!node.node_ops.readdir) {
      throw new FS.ErrnoError(54);
    }
    return node.node_ops.readdir(node);
  },
  unlink: function(path) {
    var lookup = FS.lookupPath(path, { parent: true });
    var parent = lookup.node;
    var name = PATH.basename(path);
    var node = FS.lookupNode(parent, name);
    var errCode = FS.mayDelete(parent, name, false);
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    if (!parent.node_ops.unlink) {
      throw new FS.ErrnoError(63);
    }
    if (FS.isMountpoint(node)) {
      throw new FS.ErrnoError(10);
    }
    try {
      if (FS.trackingDelegate["willDeletePath"]) {
        FS.trackingDelegate["willDeletePath"](path);
      }
    } catch (e) {
      err(
        "FS.trackingDelegate['willDeletePath']('" +
          path +
          "') threw an exception: " +
          e.message
      );
    }
    parent.node_ops.unlink(parent, name);
    FS.destroyNode(node);
    try {
      if (FS.trackingDelegate["onDeletePath"])
        FS.trackingDelegate["onDeletePath"](path);
    } catch (e) {
      err(
        "FS.trackingDelegate['onDeletePath']('" +
          path +
          "') threw an exception: " +
          e.message
      );
    }
  },
  readlink: function(path) {
    var lookup = FS.lookupPath(path);
    var link = lookup.node;
    if (!link) {
      throw new FS.ErrnoError(44);
    }
    if (!link.node_ops.readlink) {
      throw new FS.ErrnoError(28);
    }
    return PATH_FS.resolve(
      FS.getPath(link.parent),
      link.node_ops.readlink(link)
    );
  },
  stat: function(path, dontFollow) {
    var lookup = FS.lookupPath(path, { follow: !dontFollow });
    var node = lookup.node;
    if (!node) {
      throw new FS.ErrnoError(44);
    }
    if (!node.node_ops.getattr) {
      throw new FS.ErrnoError(63);
    }
    return node.node_ops.getattr(node);
  },
  lstat: function(path) {
    return FS.stat(path, true);
  },
  chmod: function(path, mode, dontFollow) {
    var node;
    if (typeof path === "string") {
      var lookup = FS.lookupPath(path, { follow: !dontFollow });
      node = lookup.node;
    } else {
      node = path;
    }
    if (!node.node_ops.setattr) {
      throw new FS.ErrnoError(63);
    }
    node.node_ops.setattr(node, {
      mode: (mode & 4095) | (node.mode & ~4095),
      timestamp: Date.now()
    });
  },
  lchmod: function(path, mode) {
    FS.chmod(path, mode, true);
  },
  fchmod: function(fd, mode) {
    var stream = FS.getStream(fd);
    if (!stream) {
      throw new FS.ErrnoError(8);
    }
    FS.chmod(stream.node, mode);
  },
  chown: function(path, uid, gid, dontFollow) {
    var node;
    if (typeof path === "string") {
      var lookup = FS.lookupPath(path, { follow: !dontFollow });
      node = lookup.node;
    } else {
      node = path;
    }
    if (!node.node_ops.setattr) {
      throw new FS.ErrnoError(63);
    }
    node.node_ops.setattr(node, { timestamp: Date.now() });
  },
  lchown: function(path, uid, gid) {
    FS.chown(path, uid, gid, true);
  },
  fchown: function(fd, uid, gid) {
    var stream = FS.getStream(fd);
    if (!stream) {
      throw new FS.ErrnoError(8);
    }
    FS.chown(stream.node, uid, gid);
  },
  truncate: function(path, len) {
    if (len < 0) {
      throw new FS.ErrnoError(28);
    }
    var node;
    if (typeof path === "string") {
      var lookup = FS.lookupPath(path, { follow: true });
      node = lookup.node;
    } else {
      node = path;
    }
    if (!node.node_ops.setattr) {
      throw new FS.ErrnoError(63);
    }
    if (FS.isDir(node.mode)) {
      throw new FS.ErrnoError(31);
    }
    if (!FS.isFile(node.mode)) {
      throw new FS.ErrnoError(28);
    }
    var errCode = FS.nodePermissions(node, "w");
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    node.node_ops.setattr(node, { size: len, timestamp: Date.now() });
  },
  ftruncate: function(fd, len) {
    var stream = FS.getStream(fd);
    if (!stream) {
      throw new FS.ErrnoError(8);
    }
    if ((stream.flags & 2097155) === 0) {
      throw new FS.ErrnoError(28);
    }
    FS.truncate(stream.node, len);
  },
  utime: function(path, atime, mtime) {
    var lookup = FS.lookupPath(path, { follow: true });
    var node = lookup.node;
    node.node_ops.setattr(node, { timestamp: Math.max(atime, mtime) });
  },
  open: function(path, flags, mode, fd_start, fd_end) {
    if (path === "") {
      throw new FS.ErrnoError(44);
    }
    flags = typeof flags === "string" ? FS.modeStringToFlags(flags) : flags;
    mode = typeof mode === "undefined" ? 438 : mode;
    if (flags & 64) {
      mode = (mode & 4095) | 32768;
    } else {
      mode = 0;
    }
    var node;
    if (typeof path === "object") {
      node = path;
    } else {
      path = PATH.normalize(path);
      try {
        var lookup = FS.lookupPath(path, { follow: !(flags & 131072) });
        node = lookup.node;
      } catch (e) {}
    }
    var created = false;
    if (flags & 64) {
      if (node) {
        if (flags & 128) {
          throw new FS.ErrnoError(20);
        }
      } else {
        node = FS.mknod(path, mode, 0);
        created = true;
      }
    }
    if (!node) {
      throw new FS.ErrnoError(44);
    }
    if (FS.isChrdev(node.mode)) {
      flags &= ~512;
    }
    if (flags & 65536 && !FS.isDir(node.mode)) {
      throw new FS.ErrnoError(54);
    }
    if (!created) {
      var errCode = FS.mayOpen(node, flags);
      if (errCode) {
        throw new FS.ErrnoError(errCode);
      }
    }
    if (flags & 512) {
      FS.truncate(node, 0);
    }
    flags &= ~(128 | 512 | 131072);
    var stream = FS.createStream(
      {
        node: node,
        path: FS.getPath(node),
        flags: flags,
        seekable: true,
        position: 0,
        stream_ops: node.stream_ops,
        ungotten: [],
        error: false
      },
      fd_start,
      fd_end
    );
    if (stream.stream_ops.open) {
      stream.stream_ops.open(stream);
    }
    if (Module["logReadFiles"] && !(flags & 1)) {
      if (!FS.readFiles) FS.readFiles = {};
      if (!(path in FS.readFiles)) {
        FS.readFiles[path] = 1;
        err("FS.trackingDelegate error on read file: " + path);
      }
    }
    try {
      if (FS.trackingDelegate["onOpenFile"]) {
        var trackingFlags = 0;
        if ((flags & 2097155) !== 1) {
          trackingFlags |= FS.tracking.openFlags.READ;
        }
        if ((flags & 2097155) !== 0) {
          trackingFlags |= FS.tracking.openFlags.WRITE;
        }
        FS.trackingDelegate["onOpenFile"](path, trackingFlags);
      }
    } catch (e) {
      err(
        "FS.trackingDelegate['onOpenFile']('" +
          path +
          "', flags) threw an exception: " +
          e.message
      );
    }
    return stream;
  },
  close: function(stream) {
    if (FS.isClosed(stream)) {
      throw new FS.ErrnoError(8);
    }
    if (stream.getdents) stream.getdents = null;
    try {
      if (stream.stream_ops.close) {
        stream.stream_ops.close(stream);
      }
    } catch (e) {
      throw e;
    } finally {
      FS.closeStream(stream.fd);
    }
    stream.fd = null;
  },
  isClosed: function(stream) {
    return stream.fd === null;
  },
  llseek: function(stream, offset, whence) {
    if (FS.isClosed(stream)) {
      throw new FS.ErrnoError(8);
    }
    if (!stream.seekable || !stream.stream_ops.llseek) {
      throw new FS.ErrnoError(70);
    }
    if (whence != 0 && whence != 1 && whence != 2) {
      throw new FS.ErrnoError(28);
    }
    stream.position = stream.stream_ops.llseek(stream, offset, whence);
    stream.ungotten = [];
    return stream.position;
  },
  read: function(stream, buffer, offset, length, position) {
    if (length < 0 || position < 0) {
      throw new FS.ErrnoError(28);
    }
    if (FS.isClosed(stream)) {
      throw new FS.ErrnoError(8);
    }
    if ((stream.flags & 2097155) === 1) {
      throw new FS.ErrnoError(8);
    }
    if (FS.isDir(stream.node.mode)) {
      throw new FS.ErrnoError(31);
    }
    if (!stream.stream_ops.read) {
      throw new FS.ErrnoError(28);
    }
    var seeking = typeof position !== "undefined";
    if (!seeking) {
      position = stream.position;
    } else if (!stream.seekable) {
      throw new FS.ErrnoError(70);
    }
    var bytesRead = stream.stream_ops.read(
      stream,
      buffer,
      offset,
      length,
      position
    );
    if (!seeking) stream.position += bytesRead;
    return bytesRead;
  },
  write: function(stream, buffer, offset, length, position, canOwn) {
    if (length < 0 || position < 0) {
      throw new FS.ErrnoError(28);
    }
    if (FS.isClosed(stream)) {
      throw new FS.ErrnoError(8);
    }
    if ((stream.flags & 2097155) === 0) {
      throw new FS.ErrnoError(8);
    }
    if (FS.isDir(stream.node.mode)) {
      throw new FS.ErrnoError(31);
    }
    if (!stream.stream_ops.write) {
      throw new FS.ErrnoError(28);
    }
    if (stream.seekable && stream.flags & 1024) {
      FS.llseek(stream, 0, 2);
    }
    var seeking = typeof position !== "undefined";
    if (!seeking) {
      position = stream.position;
    } else if (!stream.seekable) {
      throw new FS.ErrnoError(70);
    }
    var bytesWritten = stream.stream_ops.write(
      stream,
      buffer,
      offset,
      length,
      position,
      canOwn
    );
    if (!seeking) stream.position += bytesWritten;
    try {
      if (stream.path && FS.trackingDelegate["onWriteToFile"])
        FS.trackingDelegate["onWriteToFile"](stream.path);
    } catch (e) {
      err(
        "FS.trackingDelegate['onWriteToFile']('" +
          stream.path +
          "') threw an exception: " +
          e.message
      );
    }
    return bytesWritten;
  },
  allocate: function(stream, offset, length) {
    if (FS.isClosed(stream)) {
      throw new FS.ErrnoError(8);
    }
    if (offset < 0 || length <= 0) {
      throw new FS.ErrnoError(28);
    }
    if ((stream.flags & 2097155) === 0) {
      throw new FS.ErrnoError(8);
    }
    if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
      throw new FS.ErrnoError(43);
    }
    if (!stream.stream_ops.allocate) {
      throw new FS.ErrnoError(138);
    }
    stream.stream_ops.allocate(stream, offset, length);
  },
  mmap: function(stream, address, length, position, prot, flags) {
    if (
      (prot & 2) !== 0 &&
      (flags & 2) === 0 &&
      (stream.flags & 2097155) !== 2
    ) {
      throw new FS.ErrnoError(2);
    }
    if ((stream.flags & 2097155) === 1) {
      throw new FS.ErrnoError(2);
    }
    if (!stream.stream_ops.mmap) {
      throw new FS.ErrnoError(43);
    }
    return stream.stream_ops.mmap(
      stream,
      address,
      length,
      position,
      prot,
      flags
    );
  },
  msync: function(stream, buffer, offset, length, mmapFlags) {
    if (!stream || !stream.stream_ops.msync) {
      return 0;
    }
    return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
  },
  munmap: function(stream) {
    return 0;
  },
  ioctl: function(stream, cmd, arg) {
    if (!stream.stream_ops.ioctl) {
      throw new FS.ErrnoError(59);
    }
    return stream.stream_ops.ioctl(stream, cmd, arg);
  },
  readFile: function(path, opts) {
    opts = opts || {};
    opts.flags = opts.flags || 0;
    opts.encoding = opts.encoding || "binary";
    if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
      throw new Error('Invalid encoding type "' + opts.encoding + '"');
    }
    var ret;
    var stream = FS.open(path, opts.flags);
    var stat = FS.stat(path);
    var length = stat.size;
    var buf = new Uint8Array(length);
    FS.read(stream, buf, 0, length, 0);
    if (opts.encoding === "utf8") {
      ret = UTF8ArrayToString(buf, 0);
    } else if (opts.encoding === "binary") {
      ret = buf;
    }
    FS.close(stream);
    return ret;
  },
  writeFile: function(path, data, opts) {
    opts = opts || {};
    opts.flags = opts.flags || 577;
    var stream = FS.open(path, opts.flags, opts.mode);
    if (typeof data === "string") {
      var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
      var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
      FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
    } else if (ArrayBuffer.isView(data)) {
      FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
    } else {
      throw new Error("Unsupported data type");
    }
    FS.close(stream);
  },
  cwd: function() {
    return FS.currentPath;
  },
  chdir: function(path) {
    var lookup = FS.lookupPath(path, { follow: true });
    if (lookup.node === null) {
      throw new FS.ErrnoError(44);
    }
    if (!FS.isDir(lookup.node.mode)) {
      throw new FS.ErrnoError(54);
    }
    var errCode = FS.nodePermissions(lookup.node, "x");
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    FS.currentPath = lookup.path;
  },
  createDefaultDirectories: function() {
    FS.mkdir("/tmp");
    FS.mkdir("/home");
    FS.mkdir("/home/web_user");
  },
  createDefaultDevices: function() {
    FS.mkdir("/dev");
    FS.registerDevice(FS.makedev(1, 3), {
      read: function() {
        return 0;
      },
      write: function(stream, buffer, offset, length, pos) {
        return length;
      }
    });
    FS.mkdev("/dev/null", FS.makedev(1, 3));
    TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
    TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
    FS.mkdev("/dev/tty", FS.makedev(5, 0));
    FS.mkdev("/dev/tty1", FS.makedev(6, 0));
    var random_device = getRandomDevice();
    FS.createDevice("/dev", "random", random_device);
    FS.createDevice("/dev", "urandom", random_device);
    FS.mkdir("/dev/shm");
    FS.mkdir("/dev/shm/tmp");
  },
  createSpecialDirectories: function() {
    FS.mkdir("/proc");
    var proc_self = FS.mkdir("/proc/self");
    FS.mkdir("/proc/self/fd");
    FS.mount(
      {
        mount: function() {
          var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
          node.node_ops = {
            lookup: function(parent, name) {
              var fd = +name;
              var stream = FS.getStream(fd);
              if (!stream) throw new FS.ErrnoError(8);
              var ret = {
                parent: null,
                mount: { mountpoint: "fake" },
                node_ops: {
                  readlink: function() {
                    return stream.path;
                  }
                }
              };
              ret.parent = ret;
              return ret;
            }
          };
          return node;
        }
      },
      {},
      "/proc/self/fd"
    );
  },
  createStandardStreams: function() {
    if (Module["stdin"]) {
      FS.createDevice("/dev", "stdin", Module["stdin"]);
    } else {
      FS.symlink("/dev/tty", "/dev/stdin");
    }
    if (Module["stdout"]) {
      FS.createDevice("/dev", "stdout", null, Module["stdout"]);
    } else {
      FS.symlink("/dev/tty", "/dev/stdout");
    }
    if (Module["stderr"]) {
      FS.createDevice("/dev", "stderr", null, Module["stderr"]);
    } else {
      FS.symlink("/dev/tty1", "/dev/stderr");
    }
    var stdin = FS.open("/dev/stdin", 0);
    var stdout = FS.open("/dev/stdout", 1);
    var stderr = FS.open("/dev/stderr", 1);
  },
  ensureErrnoError: function() {
    if (FS.ErrnoError) return;
    FS.ErrnoError = function ErrnoError(errno, node) {
      this.node = node;
      this.setErrno = function(errno) {
        this.errno = errno;
      };
      this.setErrno(errno);
      this.message = "FS error";
    };
    FS.ErrnoError.prototype = new Error();
    FS.ErrnoError.prototype.constructor = FS.ErrnoError;
    [44].forEach(function(code) {
      FS.genericErrors[code] = new FS.ErrnoError(code);
      FS.genericErrors[code].stack = "<generic error, no stack>";
    });
  },
  staticInit: function() {
    FS.ensureErrnoError();
    FS.nameTable = new Array(4096);
    FS.mount(MEMFS, {}, "/");
    FS.createDefaultDirectories();
    FS.createDefaultDevices();
    FS.createSpecialDirectories();
    FS.filesystems = { MEMFS: MEMFS, NODEFS: NODEFS };
  },
  init: function(input, output, error) {
    FS.init.initialized = true;
    FS.ensureErrnoError();
    Module["stdin"] = input || Module["stdin"];
    Module["stdout"] = output || Module["stdout"];
    Module["stderr"] = error || Module["stderr"];
    FS.createStandardStreams();
  },
  quit: function() {
    FS.init.initialized = false;
    var fflush = Module["_fflush"];
    if (fflush) fflush(0);
    for (var i = 0; i < FS.streams.length; i++) {
      var stream = FS.streams[i];
      if (!stream) {
        continue;
      }
      FS.close(stream);
    }
  },
  getMode: function(canRead, canWrite) {
    var mode = 0;
    if (canRead) mode |= 292 | 73;
    if (canWrite) mode |= 146;
    return mode;
  },
  findObject: function(path, dontResolveLastLink) {
    var ret = FS.analyzePath(path, dontResolveLastLink);
    if (ret.exists) {
      return ret.object;
    } else {
      return null;
    }
  },
  analyzePath: function(path, dontResolveLastLink) {
    try {
      var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
      path = lookup.path;
    } catch (e) {}
    var ret = {
      isRoot: false,
      exists: false,
      error: 0,
      name: null,
      path: null,
      object: null,
      parentExists: false,
      parentPath: null,
      parentObject: null
    };
    try {
      var lookup = FS.lookupPath(path, { parent: true });
      ret.parentExists = true;
      ret.parentPath = lookup.path;
      ret.parentObject = lookup.node;
      ret.name = PATH.basename(path);
      lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
      ret.exists = true;
      ret.path = lookup.path;
      ret.object = lookup.node;
      ret.name = lookup.node.name;
      ret.isRoot = lookup.path === "/";
    } catch (e) {
      ret.error = e.errno;
    }
    return ret;
  },
  createPath: function(parent, path, canRead, canWrite) {
    parent = typeof parent === "string" ? parent : FS.getPath(parent);
    var parts = path.split("/").reverse();
    while (parts.length) {
      var part = parts.pop();
      if (!part) continue;
      var current = PATH.join2(parent, part);
      try {
        FS.mkdir(current);
      } catch (e) {}
      parent = current;
    }
    return current;
  },
  createFile: function(parent, name, properties, canRead, canWrite) {
    var path = PATH.join2(
      typeof parent === "string" ? parent : FS.getPath(parent),
      name
    );
    var mode = FS.getMode(canRead, canWrite);
    return FS.create(path, mode);
  },
  createDataFile: function(parent, name, data, canRead, canWrite, canOwn) {
    var path = name
      ? PATH.join2(
          typeof parent === "string" ? parent : FS.getPath(parent),
          name
        )
      : parent;
    var mode = FS.getMode(canRead, canWrite);
    var node = FS.create(path, mode);
    if (data) {
      if (typeof data === "string") {
        var arr = new Array(data.length);
        for (var i = 0, len = data.length; i < len; ++i)
          arr[i] = data.charCodeAt(i);
        data = arr;
      }
      FS.chmod(node, mode | 146);
      var stream = FS.open(node, 577);
      FS.write(stream, data, 0, data.length, 0, canOwn);
      FS.close(stream);
      FS.chmod(node, mode);
    }
    return node;
  },
  createDevice: function(parent, name, input, output) {
    var path = PATH.join2(
      typeof parent === "string" ? parent : FS.getPath(parent),
      name
    );
    var mode = FS.getMode(!!input, !!output);
    if (!FS.createDevice.major) FS.createDevice.major = 64;
    var dev = FS.makedev(FS.createDevice.major++, 0);
    FS.registerDevice(dev, {
      open: function(stream) {
        stream.seekable = false;
      },
      close: function(stream) {
        if (output && output.buffer && output.buffer.length) {
          output(10);
        }
      },
      read: function(stream, buffer, offset, length, pos) {
        var bytesRead = 0;
        for (var i = 0; i < length; i++) {
          var result;
          try {
            result = input();
          } catch (e) {
            throw new FS.ErrnoError(29);
          }
          if (result === undefined && bytesRead === 0) {
            throw new FS.ErrnoError(6);
          }
          if (result === null || result === undefined) break;
          bytesRead++;
          buffer[offset + i] = result;
        }
        if (bytesRead) {
          stream.node.timestamp = Date.now();
        }
        return bytesRead;
      },
      write: function(stream, buffer, offset, length, pos) {
        for (var i = 0; i < length; i++) {
          try {
            output(buffer[offset + i]);
          } catch (e) {
            throw new FS.ErrnoError(29);
          }
        }
        if (length) {
          stream.node.timestamp = Date.now();
        }
        return i;
      }
    });
    return FS.mkdev(path, mode, dev);
  },
  forceLoadFile: function(obj) {
    if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
    if (typeof XMLHttpRequest !== "undefined") {
      throw new Error(
        "Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread."
      );
    } else if (read_) {
      try {
        obj.contents = intArrayFromString(read_(obj.url), true);
        obj.usedBytes = obj.contents.length;
      } catch (e) {
        throw new FS.ErrnoError(29);
      }
    } else {
      throw new Error("Cannot load without read() or XMLHttpRequest.");
    }
  },
  createLazyFile: function(parent, name, url, canRead, canWrite) {
    function LazyUint8Array() {
      this.lengthKnown = false;
      this.chunks = [];
    }
    LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
      if (idx > this.length - 1 || idx < 0) {
        return undefined;
      }
      var chunkOffset = idx % this.chunkSize;
      var chunkNum = (idx / this.chunkSize) | 0;
      return this.getter(chunkNum)[chunkOffset];
    };
    LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(
      getter
    ) {
      this.getter = getter;
    };
    LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
      var xhr = new XMLHttpRequest();
      xhr.open("HEAD", url, false);
      xhr.send(null);
      if (!((xhr.status >= 200 && xhr.status < 300) || xhr.status === 304))
        throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
      var datalength = Number(xhr.getResponseHeader("Content-length"));
      var header;
      var hasByteServing =
        (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
      var usesGzip =
        (header = xhr.getResponseHeader("Content-Encoding")) &&
        header === "gzip";
      var chunkSize = 1024 * 1024;
      if (!hasByteServing) chunkSize = datalength;
      var doXHR = function(from, to) {
        if (from > to)
          throw new Error(
            "invalid range (" + from + ", " + to + ") or no bytes requested!"
          );
        if (to > datalength - 1)
          throw new Error(
            "only " + datalength + " bytes available! programmer error!"
          );
        var xhr = new XMLHttpRequest();
        xhr.open("GET", url, false);
        if (datalength !== chunkSize)
          xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
        if (typeof Uint8Array != "undefined") xhr.responseType = "arraybuffer";
        if (xhr.overrideMimeType) {
          xhr.overrideMimeType("text/plain; charset=x-user-defined");
        }
        xhr.send(null);
        if (!((xhr.status >= 200 && xhr.status < 300) || xhr.status === 304))
          throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
        if (xhr.response !== undefined) {
          return new Uint8Array(xhr.response || []);
        } else {
          return intArrayFromString(xhr.responseText || "", true);
        }
      };
      var lazyArray = this;
      lazyArray.setDataGetter(function(chunkNum) {
        var start = chunkNum * chunkSize;
        var end = (chunkNum + 1) * chunkSize - 1;
        end = Math.min(end, datalength - 1);
        if (typeof lazyArray.chunks[chunkNum] === "undefined") {
          lazyArray.chunks[chunkNum] = doXHR(start, end);
        }
        if (typeof lazyArray.chunks[chunkNum] === "undefined")
          throw new Error("doXHR failed!");
        return lazyArray.chunks[chunkNum];
      });
      if (usesGzip || !datalength) {
        chunkSize = datalength = 1;
        datalength = this.getter(0).length;
        chunkSize = datalength;
        out(
          "LazyFiles on gzip forces download of the whole file when length is accessed"
        );
      }
      this._length = datalength;
      this._chunkSize = chunkSize;
      this.lengthKnown = true;
    };
    if (typeof XMLHttpRequest !== "undefined") {
      if (!ENVIRONMENT_IS_WORKER)
        throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
      var lazyArray = new LazyUint8Array();
      Object.defineProperties(lazyArray, {
        length: {
          get: function() {
            if (!this.lengthKnown) {
              this.cacheLength();
            }
            return this._length;
          }
        },
        chunkSize: {
          get: function() {
            if (!this.lengthKnown) {
              this.cacheLength();
            }
            return this._chunkSize;
          }
        }
      });
      var properties = { isDevice: false, contents: lazyArray };
    } else {
      var properties = { isDevice: false, url: url };
    }
    var node = FS.createFile(parent, name, properties, canRead, canWrite);
    if (properties.contents) {
      node.contents = properties.contents;
    } else if (properties.url) {
      node.contents = null;
      node.url = properties.url;
    }
    Object.defineProperties(node, {
      usedBytes: {
        get: function() {
          return this.contents.length;
        }
      }
    });
    var stream_ops = {};
    var keys = Object.keys(node.stream_ops);
    keys.forEach(function(key) {
      var fn = node.stream_ops[key];
      stream_ops[key] = function forceLoadLazyFile() {
        FS.forceLoadFile(node);
        return fn.apply(null, arguments);
      };
    });
    stream_ops.read = function stream_ops_read(
      stream,
      buffer,
      offset,
      length,
      position
    ) {
      FS.forceLoadFile(node);
      var contents = stream.node.contents;
      if (position >= contents.length) return 0;
      var size = Math.min(contents.length - position, length);
      if (contents.slice) {
        for (var i = 0; i < size; i++) {
          buffer[offset + i] = contents[position + i];
        }
      } else {
        for (var i = 0; i < size; i++) {
          buffer[offset + i] = contents.get(position + i);
        }
      }
      return size;
    };
    node.stream_ops = stream_ops;
    return node;
  },
  createPreloadedFile: function(
    parent,
    name,
    url,
    canRead,
    canWrite,
    onload,
    onerror,
    dontCreateFile,
    canOwn,
    preFinish
  ) {
    Browser.init();
    var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
    var dep = getUniqueRunDependency("cp " + fullname);
    function processData(byteArray) {
      function finish(byteArray) {
        if (preFinish) preFinish();
        if (!dontCreateFile) {
          FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
        }
        if (onload) onload();
        removeRunDependency(dep);
      }
      var handled = false;
      Module["preloadPlugins"].forEach(function(plugin) {
        if (handled) return;
        if (plugin["canHandle"](fullname)) {
          plugin["handle"](byteArray, fullname, finish, function() {
            if (onerror) onerror();
            removeRunDependency(dep);
          });
          handled = true;
        }
      });
      if (!handled) finish(byteArray);
    }
    addRunDependency(dep);
    if (typeof url == "string") {
      Browser.asyncLoad(
        url,
        function(byteArray) {
          processData(byteArray);
        },
        onerror
      );
    } else {
      processData(url);
    }
  },
  indexedDB: function() {
    return (
      window.indexedDB ||
      window.mozIndexedDB ||
      window.webkitIndexedDB ||
      window.msIndexedDB
    );
  },
  DB_NAME: function() {
    return "EM_FS_" + window.location.pathname;
  },
  DB_VERSION: 20,
  DB_STORE_NAME: "FILE_DATA",
  saveFilesToDB: function(paths, onload, onerror) {
    onload = onload || function() {};
    onerror = onerror || function() {};
    var indexedDB = FS.indexedDB();
    try {
      var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
    } catch (e) {
      return onerror(e);
    }
    openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
      out("creating db");
      var db = openRequest.result;
      db.createObjectStore(FS.DB_STORE_NAME);
    };
    openRequest.onsuccess = function openRequest_onsuccess() {
      var db = openRequest.result;
      var transaction = db.transaction([FS.DB_STORE_NAME], "readwrite");
      var files = transaction.objectStore(FS.DB_STORE_NAME);
      var ok = 0,
        fail = 0,
        total = paths.length;
      function finish() {
        if (fail == 0) onload();
        else onerror();
      }
      paths.forEach(function(path) {
        var putRequest = files.put(FS.analyzePath(path).object.contents, path);
        putRequest.onsuccess = function putRequest_onsuccess() {
          ok++;
          if (ok + fail == total) finish();
        };
        putRequest.onerror = function putRequest_onerror() {
          fail++;
          if (ok + fail == total) finish();
        };
      });
      transaction.onerror = onerror;
    };
    openRequest.onerror = onerror;
  },
  loadFilesFromDB: function(paths, onload, onerror) {
    onload = onload || function() {};
    onerror = onerror || function() {};
    var indexedDB = FS.indexedDB();
    try {
      var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
    } catch (e) {
      return onerror(e);
    }
    openRequest.onupgradeneeded = onerror;
    openRequest.onsuccess = function openRequest_onsuccess() {
      var db = openRequest.result;
      try {
        var transaction = db.transaction([FS.DB_STORE_NAME], "readonly");
      } catch (e) {
        onerror(e);
        return;
      }
      var files = transaction.objectStore(FS.DB_STORE_NAME);
      var ok = 0,
        fail = 0,
        total = paths.length;
      function finish() {
        if (fail == 0) onload();
        else onerror();
      }
      paths.forEach(function(path) {
        var getRequest = files.get(path);
        getRequest.onsuccess = function getRequest_onsuccess() {
          if (FS.analyzePath(path).exists) {
            FS.unlink(path);
          }
          FS.createDataFile(
            PATH.dirname(path),
            PATH.basename(path),
            getRequest.result,
            true,
            true,
            true
          );
          ok++;
          if (ok + fail == total) finish();
        };
        getRequest.onerror = function getRequest_onerror() {
          fail++;
          if (ok + fail == total) finish();
        };
      });
      transaction.onerror = onerror;
    };
    openRequest.onerror = onerror;
  }
};
var SYSCALLS = {
  mappings: {},
  DEFAULT_POLLMASK: 5,
  umask: 511,
  calculateAt: function(dirfd, path, allowEmpty) {
    if (path[0] === "/") {
      return path;
    }
    var dir;
    if (dirfd === -100) {
      dir = FS.cwd();
    } else {
      var dirstream = FS.getStream(dirfd);
      if (!dirstream) throw new FS.ErrnoError(8);
      dir = dirstream.path;
    }
    if (path.length == 0) {
      if (!allowEmpty) {
        throw new FS.ErrnoError(44);
      }
      return dir;
    }
    return PATH.join2(dir, path);
  },
  doStat: function(func, path, buf) {
    try {
      var stat = func(path);
    } catch (e) {
      if (
        e &&
        e.node &&
        PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))
      ) {
        return -54;
      }
      throw e;
    }
    HEAP32[buf >> 2] = stat.dev;
    HEAP32[(buf + 4) >> 2] = 0;
    HEAP32[(buf + 8) >> 2] = stat.ino;
    HEAP32[(buf + 12) >> 2] = stat.mode;
    HEAP32[(buf + 16) >> 2] = stat.nlink;
    HEAP32[(buf + 20) >> 2] = stat.uid;
    HEAP32[(buf + 24) >> 2] = stat.gid;
    HEAP32[(buf + 28) >> 2] = stat.rdev;
    HEAP32[(buf + 32) >> 2] = 0;
    (tempI64 = [
      stat.size >>> 0,
      ((tempDouble = stat.size),
      +Math.abs(tempDouble) >= 1
        ? tempDouble > 0
          ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>>
            0
          : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>>
            0
        : 0)
    ]),
      (HEAP32[(buf + 40) >> 2] = tempI64[0]),
      (HEAP32[(buf + 44) >> 2] = tempI64[1]);
    HEAP32[(buf + 48) >> 2] = 4096;
    HEAP32[(buf + 52) >> 2] = stat.blocks;
    HEAP32[(buf + 56) >> 2] = (stat.atime.getTime() / 1e3) | 0;
    HEAP32[(buf + 60) >> 2] = 0;
    HEAP32[(buf + 64) >> 2] = (stat.mtime.getTime() / 1e3) | 0;
    HEAP32[(buf + 68) >> 2] = 0;
    HEAP32[(buf + 72) >> 2] = (stat.ctime.getTime() / 1e3) | 0;
    HEAP32[(buf + 76) >> 2] = 0;
    (tempI64 = [
      stat.ino >>> 0,
      ((tempDouble = stat.ino),
      +Math.abs(tempDouble) >= 1
        ? tempDouble > 0
          ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>>
            0
          : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>>
            0
        : 0)
    ]),
      (HEAP32[(buf + 80) >> 2] = tempI64[0]),
      (HEAP32[(buf + 84) >> 2] = tempI64[1]);
    return 0;
  },
  doMsync: function(addr, stream, len, flags, offset) {
    var buffer = HEAPU8.slice(addr, addr + len);
    FS.msync(stream, buffer, offset, len, flags);
  },
  doMkdir: function(path, mode) {
    path = PATH.normalize(path);
    if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
    FS.mkdir(path, mode, 0);
    return 0;
  },
  doMknod: function(path, mode, dev) {
    switch (mode & 61440) {
      case 32768:
      case 8192:
      case 24576:
      case 4096:
      case 49152:
        break;
      default:
        return -28;
    }
    FS.mknod(path, mode, dev);
    return 0;
  },
  doReadlink: function(path, buf, bufsize) {
    if (bufsize <= 0) return -28;
    var ret = FS.readlink(path);
    var len = Math.min(bufsize, lengthBytesUTF8(ret));
    var endChar = HEAP8[buf + len];
    stringToUTF8(ret, buf, bufsize + 1);
    HEAP8[buf + len] = endChar;
    return len;
  },
  doAccess: function(path, amode) {
    if (amode & ~7) {
      return -28;
    }
    var node;
    var lookup = FS.lookupPath(path, { follow: true });
    node = lookup.node;
    if (!node) {
      return -44;
    }
    var perms = "";
    if (amode & 4) perms += "r";
    if (amode & 2) perms += "w";
    if (amode & 1) perms += "x";
    if (perms && FS.nodePermissions(node, perms)) {
      return -2;
    }
    return 0;
  },
  doDup: function(path, flags, suggestFD) {
    var suggest = FS.getStream(suggestFD);
    if (suggest) FS.close(suggest);
    return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
  },
  doReadv: function(stream, iov, iovcnt, offset) {
    var ret = 0;
    for (var i = 0; i < iovcnt; i++) {
      var ptr = HEAP32[(iov + i * 8) >> 2];
      var len = HEAP32[(iov + (i * 8 + 4)) >> 2];
      var curr = FS.read(stream, HEAP8, ptr, len, offset);
      if (curr < 0) return -1;
      ret += curr;
      if (curr < len) break;
    }
    return ret;
  },
  doWritev: function(stream, iov, iovcnt, offset) {
    var ret = 0;
    for (var i = 0; i < iovcnt; i++) {
      var ptr = HEAP32[(iov + i * 8) >> 2];
      var len = HEAP32[(iov + (i * 8 + 4)) >> 2];
      var curr = FS.write(stream, HEAP8, ptr, len, offset);
      if (curr < 0) return -1;
      ret += curr;
    }
    return ret;
  },
  varargs: undefined,
  get: function() {
    SYSCALLS.varargs += 4;
    var ret = HEAP32[(SYSCALLS.varargs - 4) >> 2];
    return ret;
  },
  getStr: function(ptr) {
    var ret = UTF8ToString(ptr);
    return ret;
  },
  getStreamFromFD: function(fd) {
    var stream = FS.getStream(fd);
    if (!stream) throw new FS.ErrnoError(8);
    return stream;
  },
  get64: function(low, high) {
    return low;
  }
};
function ___sys_chmod(path, mode) {
  try {
    path = SYSCALLS.getStr(path);
    FS.chmod(path, mode);
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function setErrNo(value) {
  HEAP32[___errno_location() >> 2] = value;
  return value;
}
function ___sys_fcntl64(fd, cmd, varargs) {
  SYSCALLS.varargs = varargs;
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    switch (cmd) {
      case 0: {
        var arg = SYSCALLS.get();
        if (arg < 0) {
          return -28;
        }
        var newStream;
        newStream = FS.open(stream.path, stream.flags, 0, arg);
        return newStream.fd;
      }
      case 1:
      case 2:
        return 0;
      case 3:
        return stream.flags;
      case 4: {
        var arg = SYSCALLS.get();
        stream.flags |= arg;
        return 0;
      }
      case 12: {
        var arg = SYSCALLS.get();
        var offset = 0;
        HEAP16[(arg + offset) >> 1] = 2;
        return 0;
      }
      case 13:
      case 14:
        return 0;
      case 16:
      case 8:
        return -28;
      case 9:
        setErrNo(28);
        return -1;
      default: {
        return -28;
      }
    }
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function ___sys_fstat64(fd, buf) {
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    return SYSCALLS.doStat(FS.stat, stream.path, buf);
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function ___sys_ioctl(fd, op, varargs) {
  SYSCALLS.varargs = varargs;
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    switch (op) {
      case 21509:
      case 21505: {
        if (!stream.tty) return -59;
        return 0;
      }
      case 21510:
      case 21511:
      case 21512:
      case 21506:
      case 21507:
      case 21508: {
        if (!stream.tty) return -59;
        return 0;
      }
      case 21519: {
        if (!stream.tty) return -59;
        var argp = SYSCALLS.get();
        HEAP32[argp >> 2] = 0;
        return 0;
      }
      case 21520: {
        if (!stream.tty) return -59;
        return -28;
      }
      case 21531: {
        var argp = SYSCALLS.get();
        return FS.ioctl(stream, op, argp);
      }
      case 21523: {
        if (!stream.tty) return -59;
        return 0;
      }
      case 21524: {
        if (!stream.tty) return -59;
        return 0;
      }
      default:
        abort("bad ioctl syscall " + op);
    }
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function ___sys_open(path, flags, varargs) {
  SYSCALLS.varargs = varargs;
  try {
    var pathname = SYSCALLS.getStr(path);
    var mode = varargs ? SYSCALLS.get() : 0;
    var stream = FS.open(pathname, flags, mode);
    return stream.fd;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function ___sys_rename(old_path, new_path) {
  try {
    old_path = SYSCALLS.getStr(old_path);
    new_path = SYSCALLS.getStr(new_path);
    FS.rename(old_path, new_path);
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function ___sys_rmdir(path) {
  try {
    path = SYSCALLS.getStr(path);
    FS.rmdir(path);
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function ___sys_stat64(path, buf) {
  try {
    path = SYSCALLS.getStr(path);
    return SYSCALLS.doStat(FS.stat, path, buf);
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function ___sys_unlink(path) {
  try {
    path = SYSCALLS.getStr(path);
    FS.unlink(path);
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return -e.errno;
  }
}
function _emscripten_memcpy_big(dest, src, num) {
  HEAPU8.copyWithin(dest, src, src + num);
}
function emscripten_realloc_buffer(size) {
  try {
    wasmMemory.grow((size - buffer.byteLength + 65535) >>> 16);
    updateGlobalBufferAndViews(wasmMemory.buffer);
    return 1;
  } catch (e) {}
}
function _emscripten_resize_heap(requestedSize) {
  var oldSize = HEAPU8.length;
  requestedSize = requestedSize >>> 0;
  var maxHeapSize = 2147483648;
  if (requestedSize > maxHeapSize) {
    return false;
  }
  for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
    var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown);
    overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
    var newSize = Math.min(
      maxHeapSize,
      alignUp(Math.max(requestedSize, overGrownHeapSize), 65536)
    );
    var replacement = emscripten_realloc_buffer(newSize);
    if (replacement) {
      return true;
    }
  }
  return false;
}
function _fd_close(fd) {
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    FS.close(stream);
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return e.errno;
  }
}
function _fd_fdstat_get(fd, pbuf) {
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    var type = stream.tty
      ? 2
      : FS.isDir(stream.mode)
      ? 3
      : FS.isLink(stream.mode)
      ? 7
      : 4;
    HEAP8[pbuf >> 0] = type;
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return e.errno;
  }
}
function _fd_read(fd, iov, iovcnt, pnum) {
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    var num = SYSCALLS.doReadv(stream, iov, iovcnt);
    HEAP32[pnum >> 2] = num;
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return e.errno;
  }
}
function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    var HIGH_OFFSET = 4294967296;
    var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0);
    var DOUBLE_LIMIT = 9007199254740992;
    if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) {
      return -61;
    }
    FS.llseek(stream, offset, whence);
    (tempI64 = [
      stream.position >>> 0,
      ((tempDouble = stream.position),
      +Math.abs(tempDouble) >= 1
        ? tempDouble > 0
          ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>>
            0
          : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>>
            0
        : 0)
    ]),
      (HEAP32[newOffset >> 2] = tempI64[0]),
      (HEAP32[(newOffset + 4) >> 2] = tempI64[1]);
    if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return e.errno;
  }
}
function _fd_write(fd, iov, iovcnt, pnum) {
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    var num = SYSCALLS.doWritev(stream, iov, iovcnt);
    HEAP32[pnum >> 2] = num;
    return 0;
  } catch (e) {
    if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
    return e.errno;
  }
}
function _setTempRet0(val) {
  setTempRet0(val);
}
function _time(ptr) {
  var ret = (Date.now() / 1e3) | 0;
  if (ptr) {
    HEAP32[ptr >> 2] = ret;
  }
  return ret;
}
function _tzset() {
  if (_tzset.called) return;
  _tzset.called = true;
  var currentYear = new Date().getFullYear();
  var winter = new Date(currentYear, 0, 1);
  var summer = new Date(currentYear, 6, 1);
  var winterOffset = winter.getTimezoneOffset();
  var summerOffset = summer.getTimezoneOffset();
  var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
  HEAP32[__get_timezone() >> 2] = stdTimezoneOffset * 60;
  HEAP32[__get_daylight() >> 2] = Number(winterOffset != summerOffset);
  function extractZone(date) {
    var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
    return match ? match[1] : "GMT";
  }
  var winterName = extractZone(winter);
  var summerName = extractZone(summer);
  var winterNamePtr = allocateUTF8(winterName);
  var summerNamePtr = allocateUTF8(summerName);
  if (summerOffset < winterOffset) {
    HEAP32[__get_tzname() >> 2] = winterNamePtr;
    HEAP32[(__get_tzname() + 4) >> 2] = summerNamePtr;
  } else {
    HEAP32[__get_tzname() >> 2] = summerNamePtr;
    HEAP32[(__get_tzname() + 4) >> 2] = winterNamePtr;
  }
}
function _timegm(tmPtr) {
  _tzset();
  var time = Date.UTC(
    HEAP32[(tmPtr + 20) >> 2] + 1900,
    HEAP32[(tmPtr + 16) >> 2],
    HEAP32[(tmPtr + 12) >> 2],
    HEAP32[(tmPtr + 8) >> 2],
    HEAP32[(tmPtr + 4) >> 2],
    HEAP32[tmPtr >> 2],
    0
  );
  var date = new Date(time);
  HEAP32[(tmPtr + 24) >> 2] = date.getUTCDay();
  var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
  var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
  HEAP32[(tmPtr + 28) >> 2] = yday;
  return (date.getTime() / 1e3) | 0;
}
var FSNode = function(parent, name, mode, rdev) {
  if (!parent) {
    parent = this;
  }
  this.parent = parent;
  this.mount = parent.mount;
  this.mounted = null;
  this.id = FS.nextInode++;
  this.name = name;
  this.mode = mode;
  this.node_ops = {};
  this.stream_ops = {};
  this.rdev = rdev;
};
var readMode = 292 | 73;
var writeMode = 146;
Object.defineProperties(FSNode.prototype, {
  read: {
    get: function() {
      return (this.mode & readMode) === readMode;
    },
    set: function(val) {
      val ? (this.mode |= readMode) : (this.mode &= ~readMode);
    }
  },
  write: {
    get: function() {
      return (this.mode & writeMode) === writeMode;
    },
    set: function(val) {
      val ? (this.mode |= writeMode) : (this.mode &= ~writeMode);
    }
  },
  isFolder: {
    get: function() {
      return FS.isDir(this.mode);
    }
  },
  isDevice: {
    get: function() {
      return FS.isChrdev(this.mode);
    }
  }
});
FS.FSNode = FSNode;
FS.staticInit();
if (ENVIRONMENT_IS_NODE) {
  var fs = frozenFs;
  var NODEJS_PATH = __webpack_require__(622);
  NODEFS.staticInit();
}
if (ENVIRONMENT_IS_NODE) {
  var _wrapNodeError = function(func) {
    return function() {
      try {
        return func.apply(this, arguments);
      } catch (e) {
        if (!e.code) throw e;
        throw new FS.ErrnoError(ERRNO_CODES[e.code]);
      }
    };
  };
  var VFS = Object.assign({}, FS);
  for (var _key in NODERAWFS) FS[_key] = _wrapNodeError(NODERAWFS[_key]);
} else {
  throw new Error(
    "NODERAWFS is currently only supported on Node.js environment."
  );
}
function intArrayFromString(stringy, dontAddNull, length) {
  var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
  var u8array = new Array(len);
  var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
  if (dontAddNull) u8array.length = numBytesWritten;
  return u8array;
}
var decodeBase64 =
  typeof atob === "function"
    ? atob
    : function(input) {
        var keyStr =
          "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
        do {
          enc1 = keyStr.indexOf(input.charAt(i++));
          enc2 = keyStr.indexOf(input.charAt(i++));
          enc3 = keyStr.indexOf(input.charAt(i++));
          enc4 = keyStr.indexOf(input.charAt(i++));
          chr1 = (enc1 << 2) | (enc2 >> 4);
          chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
          chr3 = ((enc3 & 3) << 6) | enc4;
          output = output + String.fromCharCode(chr1);
          if (enc3 !== 64) {
            output = output + String.fromCharCode(chr2);
          }
          if (enc4 !== 64) {
            output = output + String.fromCharCode(chr3);
          }
        } while (i < input.length);
        return output;
      };
function intArrayFromBase64(s) {
  if (typeof ENVIRONMENT_IS_NODE === "boolean" && ENVIRONMENT_IS_NODE) {
    var buf;
    try {
      buf = Buffer.from(s, "base64");
    } catch (_) {
      buf = new Buffer(s, "base64");
    }
    return new Uint8Array(buf["buffer"], buf["byteOffset"], buf["byteLength"]);
  }
  try {
    var decoded = decodeBase64(s);
    var bytes = new Uint8Array(decoded.length);
    for (var i = 0; i < decoded.length; ++i) {
      bytes[i] = decoded.charCodeAt(i);
    }
    return bytes;
  } catch (_) {
    throw new Error("Converting base64 string to bytes failed.");
  }
}
function tryParseAsDataURI(filename) {
  if (!isDataURI(filename)) {
    return;
  }
  return intArrayFromBase64(filename.slice(dataURIPrefix.length));
}
var asmLibraryArg = {
  l: ___gmtime_r,
  p: ___sys_chmod,
  e: ___sys_fcntl64,
  k: ___sys_fstat64,
  o: ___sys_ioctl,
  q: ___sys_open,
  i: ___sys_rename,
  r: ___sys_rmdir,
  c: ___sys_stat64,
  h: ___sys_unlink,
  s: _emscripten_memcpy_big,
  t: _emscripten_resize_heap,
  f: _fd_close,
  j: _fd_fdstat_get,
  g: _fd_read,
  n: _fd_seek,
  d: _fd_write,
  a: _setTempRet0,
  b: _time,
  m: _timegm
};
var asm = createWasm();
var ___wasm_call_ctors = (Module["___wasm_call_ctors"] = asm["v"]);
var _zipstruct_stat = (Module["_zipstruct_stat"] = asm["w"]);
var _zipstruct_statS = (Module["_zipstruct_statS"] = asm["x"]);
var _zipstruct_stat_name = (Module["_zipstruct_stat_name"] = asm["y"]);
var _zipstruct_stat_index = (Module["_zipstruct_stat_index"] = asm["z"]);
var _zipstruct_stat_size = (Module["_zipstruct_stat_size"] = asm["A"]);
var _zipstruct_stat_mtime = (Module["_zipstruct_stat_mtime"] = asm["B"]);
var _zipstruct_stat_crc = (Module["_zipstruct_stat_crc"] = asm["C"]);
var _zipstruct_error = (Module["_zipstruct_error"] = asm["D"]);
var _zipstruct_errorS = (Module["_zipstruct_errorS"] = asm["E"]);
var _zipstruct_error_code_zip = (Module["_zipstruct_error_code_zip"] =
  asm["F"]);
var _zipstruct_stat_comp_size = (Module["_zipstruct_stat_comp_size"] =
  asm["G"]);
var _zipstruct_stat_comp_method = (Module["_zipstruct_stat_comp_method"] =
  asm["H"]);
var _zip_close = (Module["_zip_close"] = asm["I"]);
var _zip_delete = (Module["_zip_delete"] = asm["J"]);
var _zip_dir_add = (Module["_zip_dir_add"] = asm["K"]);
var _zip_discard = (Module["_zip_discard"] = asm["L"]);
var _zip_error_init_with_code = (Module["_zip_error_init_with_code"] =
  asm["M"]);
var _zip_get_error = (Module["_zip_get_error"] = asm["N"]);
var _zip_file_get_error = (Module["_zip_file_get_error"] = asm["O"]);
var _zip_error_strerror = (Module["_zip_error_strerror"] = asm["P"]);
var _zip_fclose = (Module["_zip_fclose"] = asm["Q"]);
var _zip_file_add = (Module["_zip_file_add"] = asm["R"]);
var _zip_file_get_external_attributes = (Module[
  "_zip_file_get_external_attributes"
] = asm["S"]);
var _zip_file_set_external_attributes = (Module[
  "_zip_file_set_external_attributes"
] = asm["T"]);
var _zip_file_set_mtime = (Module["_zip_file_set_mtime"] = asm["U"]);
var _zip_fopen = (Module["_zip_fopen"] = asm["V"]);
var _zip_fopen_index = (Module["_zip_fopen_index"] = asm["W"]);
var _zip_fread = (Module["_zip_fread"] = asm["X"]);
var _zip_get_name = (Module["_zip_get_name"] = asm["Y"]);
var _zip_get_num_entries = (Module["_zip_get_num_entries"] = asm["Z"]);
var _zip_name_locate = (Module["_zip_name_locate"] = asm["_"]);
var _zip_open = (Module["_zip_open"] = asm["$"]);
var _zip_open_from_source = (Module["_zip_open_from_source"] = asm["aa"]);
var _zip_set_file_compression = (Module["_zip_set_file_compression"] =
  asm["ba"]);
var _zip_source_buffer = (Module["_zip_source_buffer"] = asm["ca"]);
var _zip_source_buffer_create = (Module["_zip_source_buffer_create"] =
  asm["da"]);
var _zip_source_close = (Module["_zip_source_close"] = asm["ea"]);
var _zip_source_error = (Module["_zip_source_error"] = asm["fa"]);
var _zip_source_free = (Module["_zip_source_free"] = asm["ga"]);
var _zip_source_keep = (Module["_zip_source_keep"] = asm["ha"]);
var _zip_source_open = (Module["_zip_source_open"] = asm["ia"]);
var _zip_source_read = (Module["_zip_source_read"] = asm["ja"]);
var _zip_source_seek = (Module["_zip_source_seek"] = asm["ka"]);
var _zip_source_set_mtime = (Module["_zip_source_set_mtime"] = asm["la"]);
var _zip_source_tell = (Module["_zip_source_tell"] = asm["ma"]);
var _zip_stat = (Module["_zip_stat"] = asm["na"]);
var _zip_stat_index = (Module["_zip_stat_index"] = asm["oa"]);
var _zip_ext_count_symlinks = (Module["_zip_ext_count_symlinks"] = asm["pa"]);
var ___errno_location = (Module["___errno_location"] = asm["qa"]);
var __get_tzname = (Module["__get_tzname"] = asm["ra"]);
var __get_daylight = (Module["__get_daylight"] = asm["sa"]);
var __get_timezone = (Module["__get_timezone"] = asm["ta"]);
var stackSave = (Module["stackSave"] = asm["ua"]);
var stackRestore = (Module["stackRestore"] = asm["va"]);
var stackAlloc = (Module["stackAlloc"] = asm["wa"]);
var _malloc = (Module["_malloc"] = asm["xa"]);
var _free = (Module["_free"] = asm["ya"]);
Module["cwrap"] = cwrap;
Module["getValue"] = getValue;
var calledRun;
dependenciesFulfilled = function runCaller() {
  if (!calledRun) run();
  if (!calledRun) dependenciesFulfilled = runCaller;
};
function run(args) {
  args = args || arguments_;
  if (runDependencies > 0) {
    return;
  }
  preRun();
  if (runDependencies > 0) {
    return;
  }
  function doRun() {
    if (calledRun) return;
    calledRun = true;
    Module["calledRun"] = true;
    if (ABORT) return;
    initRuntime();
    if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
    postRun();
  }
  if (Module["setStatus"]) {
    Module["setStatus"]("Running...");
    setTimeout(function() {
      setTimeout(function() {
        Module["setStatus"]("");
      }, 1);
      doRun();
    }, 1);
  } else {
    doRun();
  }
}
Module["run"] = run;
if (Module["preInit"]) {
  if (typeof Module["preInit"] == "function")
    Module["preInit"] = [Module["preInit"]];
  while (Module["preInit"].length > 0) {
    Module["preInit"].pop()();
  }
}
run();


/***/ }),

/***/ 417:
/***/ ((module) => {

"use strict";
module.exports = require("crypto");;

/***/ }),

/***/ 747:
/***/ ((module) => {

"use strict";
module.exports = require("fs");;

/***/ }),

/***/ 282:
/***/ ((module) => {

"use strict";
module.exports = require("module");;

/***/ }),

/***/ 622:
/***/ ((module) => {

"use strict";
module.exports = require("path");;

/***/ })

/******/ 	});
/************************************************************************/
/******/ 	// The module cache
/******/ 	var __webpack_module_cache__ = {};
/******/ 	
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/ 		// Check if module is in cache
/******/ 		var cachedModule = __webpack_module_cache__[moduleId];
/******/ 		if (cachedModule !== undefined) {
/******/ 			return cachedModule.exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			// no module.id needed
/******/ 			// no module.loaded needed
/******/ 			exports: {}
/******/ 		};
/******/ 	
/******/ 		// Execute the module function
/******/ 		__webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/ 	
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/ 	
/************************************************************************/
/******/ 	/* webpack/runtime/compat get default export */
/******/ 	(() => {
/******/ 		// getDefaultExport function for compatibility with non-harmony modules
/******/ 		__webpack_require__.n = (module) => {
/******/ 			var getter = module && module.__esModule ?
/******/ 				() => (module['default']) :
/******/ 				() => (module);
/******/ 			__webpack_require__.d(getter, { a: getter });
/******/ 			return getter;
/******/ 		};
/******/ 	})();
/******/ 	
/******/ 	/* webpack/runtime/define property getters */
/******/ 	(() => {
/******/ 		// define getter functions for harmony exports
/******/ 		__webpack_require__.d = (exports, definition) => {
/******/ 			for(var key in definition) {
/******/ 				if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ 					Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ 				}
/******/ 			}
/******/ 		};
/******/ 	})();
/******/ 	
/******/ 	/* webpack/runtime/hasOwnProperty shorthand */
/******/ 	(() => {
/******/ 		__webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ 	})();
/******/ 	
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be in strict mode.
(() => {
"use strict";

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "default": () => (/* binding */ _entryPoint)
});

// EXTERNAL MODULE: external "fs"
var external_fs_ = __webpack_require__(747);
var external_fs_default = /*#__PURE__*/__webpack_require__.n(external_fs_);
;// CONCATENATED MODULE: external "os"
const external_os_namespaceObject = require("os");;
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/constants.ts
const constants_S_IFMT = 0o170000;
const constants_S_IFDIR = 0o040000;
const constants_S_IFREG = 0o100000;
const constants_S_IFLNK = 0o120000;
/**
 * Unix timestamp for `1984-06-22T21:50:00.000Z`
 *
 * It needs to be after 1980-01-01 because that's what Zip supports, and it
 * needs to have a slight offset to account for different timezones (because
 * zip assumes that all times are local to whoever writes the file, which is
 * really silly).
 */

const SAFE_TIME = 456789000;
// EXTERNAL MODULE: external "path"
var external_path_ = __webpack_require__(622);
var external_path_default = /*#__PURE__*/__webpack_require__.n(external_path_);
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/path.ts

var PathType;

(function (PathType) {
  PathType[PathType["File"] = 0] = "File";
  PathType[PathType["Portable"] = 1] = "Portable";
  PathType[PathType["Native"] = 2] = "Native";
})(PathType || (PathType = {}));

const PortablePath = {
  root: `/`,
  dot: `.`
};
const Filename = {
  nodeModules: `node_modules`,
  manifest: `package.json`,
  lockfile: `yarn.lock`,
  virtual: `__virtual__`,

  /**
   * @deprecated
   */
  pnpJs: `.pnp.js`,
  pnpCjs: `.pnp.cjs`,
  rc: `.yarnrc.yml`
};
const npath = Object.create((external_path_default()));
const ppath = Object.create((external_path_default()).posix);

npath.cwd = () => process.cwd();

ppath.cwd = () => toPortablePath(process.cwd());

ppath.resolve = (...segments) => {
  if (segments.length > 0 && ppath.isAbsolute(segments[0])) {
    return external_path_default().posix.resolve(...segments);
  } else {
    return external_path_default().posix.resolve(ppath.cwd(), ...segments);
  }
};

const contains = function (pathUtils, from, to) {
  from = pathUtils.normalize(from);
  to = pathUtils.normalize(to);
  if (from === to) return `.`;
  if (!from.endsWith(pathUtils.sep)) from = from + pathUtils.sep;

  if (to.startsWith(from)) {
    return to.slice(from.length);
  } else {
    return null;
  }
};

npath.fromPortablePath = fromPortablePath;
npath.toPortablePath = toPortablePath;

npath.contains = (from, to) => contains(npath, from, to);

ppath.contains = (from, to) => contains(ppath, from, to);

const WINDOWS_PATH_REGEXP = /^([a-zA-Z]:.*)$/;
const UNC_WINDOWS_PATH_REGEXP = /^\\\\(\.\\)?(.*)$/;
const PORTABLE_PATH_REGEXP = /^\/([a-zA-Z]:.*)$/;
const UNC_PORTABLE_PATH_REGEXP = /^\/unc\/(\.dot\/)?(.*)$/; // Path should look like "/N:/berry/scripts/plugin-pack.js"
// And transform to "N:\berry\scripts\plugin-pack.js"

function fromPortablePath(p) {
  if (process.platform !== `win32`) return p;
  let portablePathMatch, uncPortablePathMatch;
  if (portablePathMatch = p.match(PORTABLE_PATH_REGEXP)) p = portablePathMatch[1];else if (uncPortablePathMatch = p.match(UNC_PORTABLE_PATH_REGEXP)) p = `\\\\${uncPortablePathMatch[1] ? `.\\` : ``}${uncPortablePathMatch[2]}`;else return p;
  return p.replace(/\//g, `\\`);
} // Path should look like "N:/berry/scripts/plugin-pack.js"
// And transform to "/N:/berry/scripts/plugin-pack.js"


function toPortablePath(p) {
  if (process.platform !== `win32`) return p;
  let windowsPathMatch, uncWindowsPathMatch;
  if (windowsPathMatch = p.match(WINDOWS_PATH_REGEXP)) p = `/${windowsPathMatch[1]}`;else if (uncWindowsPathMatch = p.match(UNC_WINDOWS_PATH_REGEXP)) p = `/unc/${uncWindowsPathMatch[1] ? `.dot/` : ``}${uncWindowsPathMatch[2]}`;
  return p.replace(/\\/g, `/`);
}

function convertPath(targetPathUtils, sourcePath) {
  return targetPathUtils === npath ? fromPortablePath(sourcePath) : toPortablePath(sourcePath);
}
function toFilename(filename) {
  if (npath.parse(filename).dir !== `` || ppath.parse(filename).dir !== ``) throw new Error(`Invalid filename: "${filename}"`);
  return filename;
}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/algorithms/copyPromise.ts



const defaultTime = new Date(SAFE_TIME * 1000);
var LinkStrategy;

(function (LinkStrategy) {
  LinkStrategy["Allow"] = "allow";
  LinkStrategy["ReadOnly"] = "readOnly";
})(LinkStrategy || (LinkStrategy = {}));

async function copyPromise(destinationFs, destination, sourceFs, source, opts) {
  const normalizedDestination = destinationFs.pathUtils.normalize(destination);
  const normalizedSource = sourceFs.pathUtils.normalize(source);
  const prelayout = [];
  const postlayout = [];
  const referenceTime = opts.stableTime ? {
    mtime: defaultTime,
    atime: defaultTime
  } : await sourceFs.lstatPromise(normalizedSource);
  await destinationFs.mkdirpPromise(destinationFs.pathUtils.dirname(destination), {
    utimes: [referenceTime.atime, referenceTime.mtime]
  });
  const updateTime = typeof destinationFs.lutimesPromise === `function` ? destinationFs.lutimesPromise.bind(destinationFs) : destinationFs.utimesPromise.bind(destinationFs);
  await copyImpl(prelayout, postlayout, updateTime, destinationFs, normalizedDestination, sourceFs, normalizedSource, opts);

  for (const operation of prelayout) await operation();

  await Promise.all(postlayout.map(operation => {
    return operation();
  }));
}

async function copyImpl(prelayout, postlayout, updateTime, destinationFs, destination, sourceFs, source, opts) {
  var _a, _b;

  const destinationStat = await maybeLStat(destinationFs, destination);
  const sourceStat = await sourceFs.lstatPromise(source);
  const referenceTime = opts.stableTime ? {
    mtime: defaultTime,
    atime: defaultTime
  } : sourceStat;
  let updated;

  switch (true) {
    case sourceStat.isDirectory():
      {
        updated = await copyFolder(prelayout, postlayout, updateTime, destinationFs, destination, destinationStat, sourceFs, source, sourceStat, opts);
      }
      break;

    case sourceStat.isFile():
      {
        updated = await copyFile(prelayout, postlayout, updateTime, destinationFs, destination, destinationStat, sourceFs, source, sourceStat, opts);
      }
      break;

    case sourceStat.isSymbolicLink():
      {
        updated = await copySymlink(prelayout, postlayout, updateTime, destinationFs, destination, destinationStat, sourceFs, source, sourceStat, opts);
      }
      break;

    default:
      {
        throw new Error(`Unsupported file type (${sourceStat.mode})`);
      }
      break;
  }

  if (updated || ((_a = destinationStat === null || destinationStat === void 0 ? void 0 : destinationStat.mtime) === null || _a === void 0 ? void 0 : _a.getTime()) !== referenceTime.mtime.getTime() || ((_b = destinationStat === null || destinationStat === void 0 ? void 0 : destinationStat.atime) === null || _b === void 0 ? void 0 : _b.getTime()) !== referenceTime.atime.getTime()) {
    postlayout.push(() => updateTime(destination, referenceTime.atime, referenceTime.mtime));
    updated = true;
  }

  if (destinationStat === null || (destinationStat.mode & 0o777) !== (sourceStat.mode & 0o777)) {
    postlayout.push(() => destinationFs.chmodPromise(destination, sourceStat.mode & 0o777));
    updated = true;
  }

  return updated;
}

async function maybeLStat(baseFs, p) {
  try {
    return await baseFs.lstatPromise(p);
  } catch (e) {
    return null;
  }
}

async function copyFolder(prelayout, postlayout, updateTime, destinationFs, destination, destinationStat, sourceFs, source, sourceStat, opts) {
  if (destinationStat !== null && !destinationStat.isDirectory()) {
    if (opts.overwrite) {
      prelayout.push(async () => destinationFs.removePromise(destination));
      destinationStat = null;
    } else {
      return false;
    }
  }

  let updated = false;

  if (destinationStat === null) {
    prelayout.push(async () => {
      try {
        await destinationFs.mkdirPromise(destination, {
          mode: sourceStat.mode
        });
      } catch (err) {
        if (err.code !== `EEXIST`) {
          throw err;
        }
      }
    });
    updated = true;
  }

  const entries = await sourceFs.readdirPromise(source);

  if (opts.stableSort) {
    for (const entry of entries.sort()) {
      if (await copyImpl(prelayout, postlayout, updateTime, destinationFs, destinationFs.pathUtils.join(destination, entry), sourceFs, sourceFs.pathUtils.join(source, entry), opts)) {
        updated = true;
      }
    }
  } else {
    const entriesUpdateStatus = await Promise.all(entries.map(async entry => {
      await copyImpl(prelayout, postlayout, updateTime, destinationFs, destinationFs.pathUtils.join(destination, entry), sourceFs, sourceFs.pathUtils.join(source, entry), opts);
    }));

    if (entriesUpdateStatus.some(status => status)) {
      updated = true;
    }
  }

  return updated;
}

const isCloneSupportedCache = new WeakMap();

function makeLinkOperation(opFs, destination, source, sourceStat, linkStrategy) {
  return async () => {
    await opFs.linkPromise(source, destination);

    if (linkStrategy === LinkStrategy.ReadOnly) {
      // We mutate the stat, otherwise it'll be reset by copyImpl
      sourceStat.mode &= ~0o222;
      await opFs.chmodPromise(destination, sourceStat.mode);
    }
  };
}

function makeCloneLinkOperation(opFs, destination, source, sourceStat, linkStrategy) {
  const isCloneSupported = isCloneSupportedCache.get(opFs);

  if (typeof isCloneSupported === `undefined`) {
    return async () => {
      try {
        await opFs.copyFilePromise(source, destination, (external_fs_default()).constants.COPYFILE_FICLONE_FORCE);
        isCloneSupportedCache.set(opFs, true);
      } catch (err) {
        if (err.code === `ENOSYS` || err.code === `ENOTSUP`) {
          isCloneSupportedCache.set(opFs, false);
          await makeLinkOperation(opFs, destination, source, sourceStat, linkStrategy)();
        } else {
          throw err;
        }
      }
    };
  } else {
    if (isCloneSupported) {
      return async () => opFs.copyFilePromise(source, destination, (external_fs_default()).constants.COPYFILE_FICLONE_FORCE);
    } else {
      return makeLinkOperation(opFs, destination, source, sourceStat, linkStrategy);
    }
  }
}

async function copyFile(prelayout, postlayout, updateTime, destinationFs, destination, destinationStat, sourceFs, source, sourceStat, opts) {
  var _a;

  if (destinationStat !== null) {
    if (opts.overwrite) {
      prelayout.push(async () => destinationFs.removePromise(destination));
      destinationStat = null;
    } else {
      return false;
    }
  }

  const linkStrategy = (_a = opts.linkStrategy) !== null && _a !== void 0 ? _a : null;
  const op = destinationFs === sourceFs ? linkStrategy !== null ? makeCloneLinkOperation(destinationFs, destination, source, sourceStat, linkStrategy) : async () => destinationFs.copyFilePromise(source, destination, (external_fs_default()).constants.COPYFILE_FICLONE) : linkStrategy !== null ? makeLinkOperation(destinationFs, destination, source, sourceStat, linkStrategy) : async () => destinationFs.writeFilePromise(destination, await sourceFs.readFilePromise(source));
  prelayout.push(async () => op());
  return true;
}

async function copySymlink(prelayout, postlayout, updateTime, destinationFs, destination, destinationStat, sourceFs, source, sourceStat, opts) {
  if (destinationStat !== null) {
    if (opts.overwrite) {
      prelayout.push(async () => destinationFs.removePromise(destination));
      destinationStat = null;
    } else {
      return false;
    }
  }

  prelayout.push(async () => {
    await destinationFs.symlinkPromise(convertPath(destinationFs.pathUtils, await sourceFs.readlinkPromise(source)), destination);
  });
  return true;
}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/FakeFS.ts



class FakeFS {
  constructor(pathUtils) {
    this.pathUtils = pathUtils;
  }

  async *genTraversePromise(init, {
    stableSort = false
  } = {}) {
    const stack = [init];

    while (stack.length > 0) {
      const p = stack.shift();
      const entry = await this.lstatPromise(p);

      if (entry.isDirectory()) {
        const entries = await this.readdirPromise(p);

        if (stableSort) {
          for (const entry of entries.sort()) {
            stack.push(this.pathUtils.join(p, entry));
          }
        } else {
          throw new Error(`Not supported`);
        }
      } else {
        yield p;
      }
    }
  }

  async removePromise(p, {
    recursive = true,
    maxRetries = 5
  } = {}) {
    let stat;

    try {
      stat = await this.lstatPromise(p);
    } catch (error) {
      if (error.code === `ENOENT`) {
        return;
      } else {
        throw error;
      }
    }

    if (stat.isDirectory()) {
      if (recursive) {
        const entries = await this.readdirPromise(p);
        await Promise.all(entries.map(entry => {
          return this.removePromise(this.pathUtils.resolve(p, entry));
        }));
      } // 5 gives 1s worth of retries at worst


      let t = 0;

      do {
        try {
          await this.rmdirPromise(p);
          break;
        } catch (error) {
          if (error.code === `EBUSY` || error.code === `ENOTEMPTY`) {
            if (maxRetries === 0) {
              break;
            } else {
              await new Promise(resolve => setTimeout(resolve, t * 100));
              continue;
            }
          } else {
            throw error;
          }
        }
      } while (t++ < maxRetries);
    } else {
      await this.unlinkPromise(p);
    }
  }

  removeSync(p, {
    recursive = true
  } = {}) {
    let stat;

    try {
      stat = this.lstatSync(p);
    } catch (error) {
      if (error.code === `ENOENT`) {
        return;
      } else {
        throw error;
      }
    }

    if (stat.isDirectory()) {
      if (recursive) for (const entry of this.readdirSync(p)) this.removeSync(this.pathUtils.resolve(p, entry));
      this.rmdirSync(p);
    } else {
      this.unlinkSync(p);
    }
  }

  async mkdirpPromise(p, {
    chmod,
    utimes
  } = {}) {
    p = this.resolve(p);
    if (p === this.pathUtils.dirname(p)) return;
    const parts = p.split(this.pathUtils.sep);

    for (let u = 2; u <= parts.length; ++u) {
      const subPath = parts.slice(0, u).join(this.pathUtils.sep);

      if (!this.existsSync(subPath)) {
        try {
          await this.mkdirPromise(subPath);
        } catch (error) {
          if (error.code === `EEXIST`) {
            continue;
          } else {
            throw error;
          }
        }

        if (chmod != null) await this.chmodPromise(subPath, chmod);

        if (utimes != null) {
          await this.utimesPromise(subPath, utimes[0], utimes[1]);
        } else {
          const parentStat = await this.statPromise(this.pathUtils.dirname(subPath));
          await this.utimesPromise(subPath, parentStat.atime, parentStat.mtime);
        }
      }
    }
  }

  mkdirpSync(p, {
    chmod,
    utimes
  } = {}) {
    p = this.resolve(p);
    if (p === this.pathUtils.dirname(p)) return;
    const parts = p.split(this.pathUtils.sep);

    for (let u = 2; u <= parts.length; ++u) {
      const subPath = parts.slice(0, u).join(this.pathUtils.sep);

      if (!this.existsSync(subPath)) {
        try {
          this.mkdirSync(subPath);
        } catch (error) {
          if (error.code === `EEXIST`) {
            continue;
          } else {
            throw error;
          }
        }

        if (chmod != null) this.chmodSync(subPath, chmod);

        if (utimes != null) {
          this.utimesSync(subPath, utimes[0], utimes[1]);
        } else {
          const parentStat = this.statSync(this.pathUtils.dirname(subPath));
          this.utimesSync(subPath, parentStat.atime, parentStat.mtime);
        }
      }
    }
  }

  async copyPromise(destination, source, {
    baseFs = this,
    overwrite = true,
    stableSort = false,
    stableTime = false,
    linkStrategy = null
  } = {}) {
    return await copyPromise(this, destination, baseFs, source, {
      overwrite,
      stableSort,
      stableTime,
      linkStrategy
    });
  }

  copySync(destination, source, {
    baseFs = this,
    overwrite = true
  } = {}) {
    const stat = baseFs.lstatSync(source);
    const exists = this.existsSync(destination);

    if (stat.isDirectory()) {
      this.mkdirpSync(destination);
      const directoryListing = baseFs.readdirSync(source);

      for (const entry of directoryListing) {
        this.copySync(this.pathUtils.join(destination, entry), baseFs.pathUtils.join(source, entry), {
          baseFs,
          overwrite
        });
      }
    } else if (stat.isFile()) {
      if (!exists || overwrite) {
        if (exists) this.removeSync(destination);
        const content = baseFs.readFileSync(source);
        this.writeFileSync(destination, content);
      }
    } else if (stat.isSymbolicLink()) {
      if (!exists || overwrite) {
        if (exists) this.removeSync(destination);
        const target = baseFs.readlinkSync(source);
        this.symlinkSync(convertPath(this.pathUtils, target), destination);
      }
    } else {
      throw new Error(`Unsupported file type (file: ${source}, mode: 0o${stat.mode.toString(8).padStart(6, `0`)})`);
    }

    const mode = stat.mode & 0o777;
    this.chmodSync(destination, mode);
  }

  async changeFilePromise(p, content, opts = {}) {
    if (Buffer.isBuffer(content)) {
      return this.changeFileBufferPromise(p, content, opts);
    } else {
      return this.changeFileTextPromise(p, content, opts);
    }
  }

  async changeFileBufferPromise(p, content, {
    mode
  } = {}) {
    let current = Buffer.alloc(0);

    try {
      current = await this.readFilePromise(p);
    } catch (error) {// ignore errors, no big deal
    }

    if (Buffer.compare(current, content) === 0) return;
    await this.writeFilePromise(p, content, {
      mode
    });
  }

  async changeFileTextPromise(p, content, {
    automaticNewlines,
    mode
  } = {}) {
    let current = ``;

    try {
      current = await this.readFilePromise(p, `utf8`);
    } catch (error) {// ignore errors, no big deal
    }

    const normalizedContent = automaticNewlines ? normalizeLineEndings(current, content) : content;
    if (current === normalizedContent) return;
    await this.writeFilePromise(p, normalizedContent, {
      mode
    });
  }

  changeFileSync(p, content, opts = {}) {
    if (Buffer.isBuffer(content)) {
      return this.changeFileBufferSync(p, content, opts);
    } else {
      return this.changeFileTextSync(p, content, opts);
    }
  }

  changeFileBufferSync(p, content, {
    mode
  } = {}) {
    let current = Buffer.alloc(0);

    try {
      current = this.readFileSync(p);
    } catch (error) {// ignore errors, no big deal
    }

    if (Buffer.compare(current, content) === 0) return;
    this.writeFileSync(p, content, {
      mode
    });
  }

  changeFileTextSync(p, content, {
    automaticNewlines = false,
    mode
  } = {}) {
    let current = ``;

    try {
      current = this.readFileSync(p, `utf8`);
    } catch (error) {// ignore errors, no big deal
    }

    const normalizedContent = automaticNewlines ? normalizeLineEndings(current, content) : content;
    if (current === normalizedContent) return;
    this.writeFileSync(p, normalizedContent, {
      mode
    });
  }

  async movePromise(fromP, toP) {
    try {
      await this.renamePromise(fromP, toP);
    } catch (error) {
      if (error.code === `EXDEV`) {
        await this.copyPromise(toP, fromP);
        await this.removePromise(fromP);
      } else {
        throw error;
      }
    }
  }

  moveSync(fromP, toP) {
    try {
      this.renameSync(fromP, toP);
    } catch (error) {
      if (error.code === `EXDEV`) {
        this.copySync(toP, fromP);
        this.removeSync(fromP);
      } else {
        throw error;
      }
    }
  }

  async lockPromise(affectedPath, callback) {
    const lockPath = `${affectedPath}.flock`;
    const interval = 1000 / 60;
    const startTime = Date.now();
    let fd = null; // Even when we detect that a lock file exists, we still look inside to see
    // whether the pid that created it is still alive. It's not foolproof
    // (there are false positive), but there are no false negative and that's
    // all that matters in 99% of the cases.

    const isAlive = async () => {
      let pid;

      try {
        [pid] = await this.readJsonPromise(lockPath);
      } catch (error) {
        // If we can't read the file repeatedly, we assume the process was
        // aborted before even writing finishing writing the payload.
        return Date.now() - startTime < 500;
      }

      try {
        // "As a special case, a signal of 0 can be used to test for the
        // existence of a process" - so we check whether it's alive.
        process.kill(pid, 0);
        return true;
      } catch (error) {
        return false;
      }
    };

    while (fd === null) {
      try {
        fd = await this.openPromise(lockPath, `wx`);
      } catch (error) {
        if (error.code === `EEXIST`) {
          if (!(await isAlive())) {
            try {
              await this.unlinkPromise(lockPath);
              continue;
            } catch (error) {// No big deal if we can't remove it. Just fallback to wait for
              // it to be eventually released by its owner.
            }
          }

          if (Date.now() - startTime < 60 * 1000) {
            await new Promise(resolve => setTimeout(resolve, interval));
          } else {
            throw new Error(`Couldn't acquire a lock in a reasonable time (via ${lockPath})`);
          }
        } else {
          throw error;
        }
      }
    }

    await this.writePromise(fd, JSON.stringify([process.pid]));

    try {
      return await callback();
    } finally {
      try {
        // closePromise needs to come before unlinkPromise otherwise another process can attempt
        // to get the file handle after the unlink but before close resuling in
        // EPERM: operation not permitted, open
        await this.closePromise(fd);
        await this.unlinkPromise(lockPath);
      } catch (error) {// noop
      }
    }
  }

  async readJsonPromise(p) {
    const content = await this.readFilePromise(p, `utf8`);

    try {
      return JSON.parse(content);
    } catch (error) {
      error.message += ` (in ${p})`;
      throw error;
    }
  }

  readJsonSync(p) {
    const content = this.readFileSync(p, `utf8`);

    try {
      return JSON.parse(content);
    } catch (error) {
      error.message += ` (in ${p})`;
      throw error;
    }
  }

  async writeJsonPromise(p, data) {
    return await this.writeFilePromise(p, `${JSON.stringify(data, null, 2)}\n`);
  }

  writeJsonSync(p, data) {
    return this.writeFileSync(p, `${JSON.stringify(data, null, 2)}\n`);
  }

  async preserveTimePromise(p, cb) {
    const stat = await this.lstatPromise(p);
    const result = await cb();
    if (typeof result !== `undefined`) p = result;

    if (this.lutimesPromise) {
      await this.lutimesPromise(p, stat.atime, stat.mtime);
    } else if (!stat.isSymbolicLink()) {
      await this.utimesPromise(p, stat.atime, stat.mtime);
    }
  }

  async preserveTimeSync(p, cb) {
    const stat = this.lstatSync(p);
    const result = cb();
    if (typeof result !== `undefined`) p = result;

    if (this.lutimesSync) {
      this.lutimesSync(p, stat.atime, stat.mtime);
    } else if (!stat.isSymbolicLink()) {
      this.utimesSync(p, stat.atime, stat.mtime);
    }
  }

}
class BasePortableFakeFS extends FakeFS {
  constructor() {
    super(ppath);
  }

}

function getEndOfLine(content) {
  const matches = content.match(/\r?\n/g);
  if (matches === null) return external_os_namespaceObject.EOL;
  const crlf = matches.filter(nl => nl === `\r\n`).length;
  const lf = matches.length - crlf;
  return crlf > lf ? `\r\n` : `\n`;
}

function normalizeLineEndings(originalContent, newContent) {
  return newContent.replace(/\r?\n/g, getEndOfLine(originalContent));
}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/errors.ts
function makeError(code, message) {
  return Object.assign(new Error(`${code}: ${message}`), {
    code
  });
}

function EBUSY(message) {
  return makeError(`EBUSY`, message);
}
function ENOSYS(message, reason) {
  return makeError(`ENOSYS`, `${message}, ${reason}`);
}
function EINVAL(reason) {
  return makeError(`EINVAL`, `invalid argument, ${reason}`);
}
function EBADF(reason) {
  return makeError(`EBADF`, `bad file descriptor, ${reason}`);
}
function ENOENT(reason) {
  return makeError(`ENOENT`, `no such file or directory, ${reason}`);
}
function ENOTDIR(reason) {
  return makeError(`ENOTDIR`, `not a directory, ${reason}`);
}
function EISDIR(reason) {
  return makeError(`EISDIR`, `illegal operation on a directory, ${reason}`);
}
function EEXIST(reason) {
  return makeError(`EEXIST`, `file already exists, ${reason}`);
}
function EROFS(reason) {
  return makeError(`EROFS`, `read-only filesystem, ${reason}`);
}
function ENOTEMPTY(reason) {
  return makeError(`ENOTEMPTY`, `directory not empty, ${reason}`);
}
function EOPNOTSUPP(reason) {
  return makeError(`EOPNOTSUPP`, `operation not supported, ${reason}`);
} // ------------------------------------------------------------------------

function ERR_DIR_CLOSED() {
  return makeError(`ERR_DIR_CLOSED`, `Directory handle was closed`);
} // ------------------------------------------------------------------------

class LibzipError extends Error {
  constructor(message, code) {
    super(message);
    this.name = `Libzip Error`;
    this.code = code;
  }

}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/NodeFS.ts




class NodeFS extends BasePortableFakeFS {
  constructor(realFs = (external_fs_default())) {
    super();
    this.realFs = realFs; // @ts-expect-error

    if (typeof this.realFs.lutimes !== `undefined`) {
      this.lutimesPromise = this.lutimesPromiseImpl;
      this.lutimesSync = this.lutimesSyncImpl;
    }
  }

  getExtractHint() {
    return false;
  }

  getRealPath() {
    return PortablePath.root;
  }

  resolve(p) {
    return ppath.resolve(p);
  }

  async openPromise(p, flags, mode) {
    return await new Promise((resolve, reject) => {
      this.realFs.open(npath.fromPortablePath(p), flags, mode, this.makeCallback(resolve, reject));
    });
  }

  openSync(p, flags, mode) {
    return this.realFs.openSync(npath.fromPortablePath(p), flags, mode);
  }

  async opendirPromise(p, opts) {
    return await new Promise((resolve, reject) => {
      if (typeof opts !== `undefined`) {
        this.realFs.opendir(npath.fromPortablePath(p), opts, this.makeCallback(resolve, reject));
      } else {
        this.realFs.opendir(npath.fromPortablePath(p), this.makeCallback(resolve, reject));
      }
    }).then(dir => {
      return Object.defineProperty(dir, `path`, {
        value: p,
        configurable: true,
        writable: true
      });
    });
  }

  opendirSync(p, opts) {
    const dir = typeof opts !== `undefined` ? this.realFs.opendirSync(npath.fromPortablePath(p), opts) : this.realFs.opendirSync(npath.fromPortablePath(p));
    return Object.defineProperty(dir, `path`, {
      value: p,
      configurable: true,
      writable: true
    });
  }

  async readPromise(fd, buffer, offset = 0, length = 0, position = -1) {
    return await new Promise((resolve, reject) => {
      this.realFs.read(fd, buffer, offset, length, position, (error, bytesRead) => {
        if (error) {
          reject(error);
        } else {
          resolve(bytesRead);
        }
      });
    });
  }

  readSync(fd, buffer, offset, length, position) {
    return this.realFs.readSync(fd, buffer, offset, length, position);
  }

  async writePromise(fd, buffer, offset, length, position) {
    return await new Promise((resolve, reject) => {
      if (typeof buffer === `string`) {
        return this.realFs.write(fd, buffer, offset, this.makeCallback(resolve, reject));
      } else {
        return this.realFs.write(fd, buffer, offset, length, position, this.makeCallback(resolve, reject));
      }
    });
  }

  writeSync(fd, buffer, offset, length, position) {
    if (typeof buffer === `string`) {
      return this.realFs.writeSync(fd, buffer, offset);
    } else {
      return this.realFs.writeSync(fd, buffer, offset, length, position);
    }
  }

  async closePromise(fd) {
    await new Promise((resolve, reject) => {
      this.realFs.close(fd, this.makeCallback(resolve, reject));
    });
  }

  closeSync(fd) {
    this.realFs.closeSync(fd);
  }

  createReadStream(p, opts) {
    const realPath = p !== null ? npath.fromPortablePath(p) : p;
    return this.realFs.createReadStream(realPath, opts);
  }

  createWriteStream(p, opts) {
    const realPath = p !== null ? npath.fromPortablePath(p) : p;
    return this.realFs.createWriteStream(realPath, opts);
  }

  async realpathPromise(p) {
    return await new Promise((resolve, reject) => {
      this.realFs.realpath(npath.fromPortablePath(p), {}, this.makeCallback(resolve, reject));
    }).then(path => {
      return npath.toPortablePath(path);
    });
  }

  realpathSync(p) {
    return npath.toPortablePath(this.realFs.realpathSync(npath.fromPortablePath(p), {}));
  }

  async existsPromise(p) {
    return await new Promise(resolve => {
      this.realFs.exists(npath.fromPortablePath(p), resolve);
    });
  }

  accessSync(p, mode) {
    return this.realFs.accessSync(npath.fromPortablePath(p), mode);
  }

  async accessPromise(p, mode) {
    return await new Promise((resolve, reject) => {
      this.realFs.access(npath.fromPortablePath(p), mode, this.makeCallback(resolve, reject));
    });
  }

  existsSync(p) {
    return this.realFs.existsSync(npath.fromPortablePath(p));
  }

  async statPromise(p, opts) {
    return await new Promise((resolve, reject) => {
      if (opts) {
        this.realFs.stat(npath.fromPortablePath(p), opts, this.makeCallback(resolve, reject));
      } else {
        this.realFs.stat(npath.fromPortablePath(p), this.makeCallback(resolve, reject));
      }
    });
  }

  statSync(p, opts) {
    if (opts) {
      return this.realFs.statSync(npath.fromPortablePath(p), opts);
    } else {
      return this.realFs.statSync(npath.fromPortablePath(p));
    }
  }

  async fstatPromise(fd, opts) {
    return await new Promise((resolve, reject) => {
      if (opts) {
        // @ts-expect-error - The node typings doesn't know about the options
        this.realFs.fstat(fd, opts, this.makeCallback(resolve, reject));
      } else {
        this.realFs.fstat(fd, this.makeCallback(resolve, reject));
      }
    });
  }

  fstatSync(fd, opts) {
    if (opts) {
      // @ts-expect-error - The node typings doesn't know about the options
      return this.realFs.fstatSync(fd, opts);
    } else {
      return this.realFs.fstatSync(fd);
    }
  }

  async lstatPromise(p, opts) {
    return await new Promise((resolve, reject) => {
      if (opts) {
        // @ts-expect-error - TS does not know this takes options
        this.realFs.lstat(npath.fromPortablePath(p), opts, this.makeCallback(resolve, reject));
      } else {
        this.realFs.lstat(npath.fromPortablePath(p), this.makeCallback(resolve, reject));
      }
    });
  }

  lstatSync(p, opts) {
    if (opts) {
      // @ts-expect-error - TS does not know this takes options
      return this.realFs.lstatSync(npath.fromPortablePath(p), opts);
    } else {
      return this.realFs.lstatSync(npath.fromPortablePath(p));
    }
  }

  async chmodPromise(p, mask) {
    return await new Promise((resolve, reject) => {
      this.realFs.chmod(npath.fromPortablePath(p), mask, this.makeCallback(resolve, reject));
    });
  }

  chmodSync(p, mask) {
    return this.realFs.chmodSync(npath.fromPortablePath(p), mask);
  }

  async chownPromise(p, uid, gid) {
    return await new Promise((resolve, reject) => {
      this.realFs.chown(npath.fromPortablePath(p), uid, gid, this.makeCallback(resolve, reject));
    });
  }

  chownSync(p, uid, gid) {
    return this.realFs.chownSync(npath.fromPortablePath(p), uid, gid);
  }

  async renamePromise(oldP, newP) {
    return await new Promise((resolve, reject) => {
      this.realFs.rename(npath.fromPortablePath(oldP), npath.fromPortablePath(newP), this.makeCallback(resolve, reject));
    });
  }

  renameSync(oldP, newP) {
    return this.realFs.renameSync(npath.fromPortablePath(oldP), npath.fromPortablePath(newP));
  }

  async copyFilePromise(sourceP, destP, flags = 0) {
    return await new Promise((resolve, reject) => {
      this.realFs.copyFile(npath.fromPortablePath(sourceP), npath.fromPortablePath(destP), flags, this.makeCallback(resolve, reject));
    });
  }

  copyFileSync(sourceP, destP, flags = 0) {
    return this.realFs.copyFileSync(npath.fromPortablePath(sourceP), npath.fromPortablePath(destP), flags);
  }

  async appendFilePromise(p, content, opts) {
    return await new Promise((resolve, reject) => {
      const fsNativePath = typeof p === `string` ? npath.fromPortablePath(p) : p;

      if (opts) {
        this.realFs.appendFile(fsNativePath, content, opts, this.makeCallback(resolve, reject));
      } else {
        this.realFs.appendFile(fsNativePath, content, this.makeCallback(resolve, reject));
      }
    });
  }

  appendFileSync(p, content, opts) {
    const fsNativePath = typeof p === `string` ? npath.fromPortablePath(p) : p;

    if (opts) {
      this.realFs.appendFileSync(fsNativePath, content, opts);
    } else {
      this.realFs.appendFileSync(fsNativePath, content);
    }
  }

  async writeFilePromise(p, content, opts) {
    return await new Promise((resolve, reject) => {
      const fsNativePath = typeof p === `string` ? npath.fromPortablePath(p) : p;

      if (opts) {
        this.realFs.writeFile(fsNativePath, content, opts, this.makeCallback(resolve, reject));
      } else {
        this.realFs.writeFile(fsNativePath, content, this.makeCallback(resolve, reject));
      }
    });
  }

  writeFileSync(p, content, opts) {
    const fsNativePath = typeof p === `string` ? npath.fromPortablePath(p) : p;

    if (opts) {
      this.realFs.writeFileSync(fsNativePath, content, opts);
    } else {
      this.realFs.writeFileSync(fsNativePath, content);
    }
  }

  async unlinkPromise(p) {
    return await new Promise((resolve, reject) => {
      this.realFs.unlink(npath.fromPortablePath(p), this.makeCallback(resolve, reject));
    });
  }

  unlinkSync(p) {
    return this.realFs.unlinkSync(npath.fromPortablePath(p));
  }

  async utimesPromise(p, atime, mtime) {
    return await new Promise((resolve, reject) => {
      this.realFs.utimes(npath.fromPortablePath(p), atime, mtime, this.makeCallback(resolve, reject));
    });
  }

  utimesSync(p, atime, mtime) {
    this.realFs.utimesSync(npath.fromPortablePath(p), atime, mtime);
  }

  async lutimesPromiseImpl(p, atime, mtime) {
    // @ts-expect-error: Not yet in DefinitelyTyped
    const lutimes = this.realFs.lutimes;
    if (typeof lutimes === `undefined`) throw ENOSYS(`unavailable Node binding`, `lutimes '${p}'`);
    return await new Promise((resolve, reject) => {
      lutimes.call(this.realFs, npath.fromPortablePath(p), atime, mtime, this.makeCallback(resolve, reject));
    });
  }

  lutimesSyncImpl(p, atime, mtime) {
    // @ts-expect-error: Not yet in DefinitelyTyped
    const lutimesSync = this.realFs.lutimesSync;
    if (typeof lutimesSync === `undefined`) throw ENOSYS(`unavailable Node binding`, `lutimes '${p}'`);
    lutimesSync.call(this.realFs, npath.fromPortablePath(p), atime, mtime);
  }

  async mkdirPromise(p, opts) {
    return await new Promise((resolve, reject) => {
      this.realFs.mkdir(npath.fromPortablePath(p), opts, this.makeCallback(resolve, reject));
    });
  }

  mkdirSync(p, opts) {
    return this.realFs.mkdirSync(npath.fromPortablePath(p), opts);
  }

  async rmdirPromise(p, opts) {
    return await new Promise((resolve, reject) => {
      // TODO: always pass opts when min node version is 12.10+
      if (opts) {
        this.realFs.rmdir(npath.fromPortablePath(p), opts, this.makeCallback(resolve, reject));
      } else {
        this.realFs.rmdir(npath.fromPortablePath(p), this.makeCallback(resolve, reject));
      }
    });
  }

  rmdirSync(p, opts) {
    return this.realFs.rmdirSync(npath.fromPortablePath(p), opts);
  }

  async linkPromise(existingP, newP) {
    return await new Promise((resolve, reject) => {
      this.realFs.link(npath.fromPortablePath(existingP), npath.fromPortablePath(newP), this.makeCallback(resolve, reject));
    });
  }

  linkSync(existingP, newP) {
    return this.realFs.linkSync(npath.fromPortablePath(existingP), npath.fromPortablePath(newP));
  }

  async symlinkPromise(target, p, type) {
    return await new Promise((resolve, reject) => {
      this.realFs.symlink(npath.fromPortablePath(target.replace(/\/+$/, ``)), npath.fromPortablePath(p), type, this.makeCallback(resolve, reject));
    });
  }

  symlinkSync(target, p, type) {
    return this.realFs.symlinkSync(npath.fromPortablePath(target.replace(/\/+$/, ``)), npath.fromPortablePath(p), type);
  }

  async readFilePromise(p, encoding) {
    return await new Promise((resolve, reject) => {
      const fsNativePath = typeof p === `string` ? npath.fromPortablePath(p) : p;
      this.realFs.readFile(fsNativePath, encoding, this.makeCallback(resolve, reject));
    });
  }

  readFileSync(p, encoding) {
    const fsNativePath = typeof p === `string` ? npath.fromPortablePath(p) : p;
    return this.realFs.readFileSync(fsNativePath, encoding);
  }

  async readdirPromise(p, opts) {
    return await new Promise((resolve, reject) => {
      if (opts === null || opts === void 0 ? void 0 : opts.withFileTypes) {
        this.realFs.readdir(npath.fromPortablePath(p), {
          withFileTypes: true
        }, this.makeCallback(resolve, reject));
      } else {
        this.realFs.readdir(npath.fromPortablePath(p), this.makeCallback(value => resolve(value), reject));
      }
    });
  }

  readdirSync(p, opts) {
    if (opts === null || opts === void 0 ? void 0 : opts.withFileTypes) {
      return this.realFs.readdirSync(npath.fromPortablePath(p), {
        withFileTypes: true
      });
    } else {
      return this.realFs.readdirSync(npath.fromPortablePath(p));
    }
  }

  async readlinkPromise(p) {
    return await new Promise((resolve, reject) => {
      this.realFs.readlink(npath.fromPortablePath(p), this.makeCallback(resolve, reject));
    }).then(path => {
      return npath.toPortablePath(path);
    });
  }

  readlinkSync(p) {
    return npath.toPortablePath(this.realFs.readlinkSync(npath.fromPortablePath(p)));
  }

  async truncatePromise(p, len) {
    return await new Promise((resolve, reject) => {
      this.realFs.truncate(npath.fromPortablePath(p), len, this.makeCallback(resolve, reject));
    });
  }

  truncateSync(p, len) {
    return this.realFs.truncateSync(npath.fromPortablePath(p), len);
  }

  watch(p, a, b) {
    return this.realFs.watch(npath.fromPortablePath(p), // @ts-expect-error
    a, b);
  }

  watchFile(p, a, b) {
    return this.realFs.watchFile(npath.fromPortablePath(p), // @ts-expect-error
    a, b);
  }

  unwatchFile(p, cb) {
    return this.realFs.unwatchFile(npath.fromPortablePath(p), cb);
  }

  makeCallback(resolve, reject) {
    return (err, result) => {
      if (err) {
        reject(err);
      } else {
        resolve(result);
      }
    };
  }

}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/ProxiedFS.ts

class ProxiedFS extends FakeFS {
  getExtractHint(hints) {
    return this.baseFs.getExtractHint(hints);
  }

  resolve(path) {
    return this.mapFromBase(this.baseFs.resolve(this.mapToBase(path)));
  }

  getRealPath() {
    return this.mapFromBase(this.baseFs.getRealPath());
  }

  async openPromise(p, flags, mode) {
    return this.baseFs.openPromise(this.mapToBase(p), flags, mode);
  }

  openSync(p, flags, mode) {
    return this.baseFs.openSync(this.mapToBase(p), flags, mode);
  }

  async opendirPromise(p, opts) {
    return Object.assign(await this.baseFs.opendirPromise(this.mapToBase(p), opts), {
      path: p
    });
  }

  opendirSync(p, opts) {
    return Object.assign(this.baseFs.opendirSync(this.mapToBase(p), opts), {
      path: p
    });
  }

  async readPromise(fd, buffer, offset, length, position) {
    return await this.baseFs.readPromise(fd, buffer, offset, length, position);
  }

  readSync(fd, buffer, offset, length, position) {
    return this.baseFs.readSync(fd, buffer, offset, length, position);
  }

  async writePromise(fd, buffer, offset, length, position) {
    if (typeof buffer === `string`) {
      return await this.baseFs.writePromise(fd, buffer, offset);
    } else {
      return await this.baseFs.writePromise(fd, buffer, offset, length, position);
    }
  }

  writeSync(fd, buffer, offset, length, position) {
    if (typeof buffer === `string`) {
      return this.baseFs.writeSync(fd, buffer, offset);
    } else {
      return this.baseFs.writeSync(fd, buffer, offset, length, position);
    }
  }

  async closePromise(fd) {
    return this.baseFs.closePromise(fd);
  }

  closeSync(fd) {
    this.baseFs.closeSync(fd);
  }

  createReadStream(p, opts) {
    return this.baseFs.createReadStream(p !== null ? this.mapToBase(p) : p, opts);
  }

  createWriteStream(p, opts) {
    return this.baseFs.createWriteStream(p !== null ? this.mapToBase(p) : p, opts);
  }

  async realpathPromise(p) {
    return this.mapFromBase(await this.baseFs.realpathPromise(this.mapToBase(p)));
  }

  realpathSync(p) {
    return this.mapFromBase(this.baseFs.realpathSync(this.mapToBase(p)));
  }

  async existsPromise(p) {
    return this.baseFs.existsPromise(this.mapToBase(p));
  }

  existsSync(p) {
    return this.baseFs.existsSync(this.mapToBase(p));
  }

  accessSync(p, mode) {
    return this.baseFs.accessSync(this.mapToBase(p), mode);
  }

  async accessPromise(p, mode) {
    return this.baseFs.accessPromise(this.mapToBase(p), mode);
  }

  async statPromise(p, opts) {
    return this.baseFs.statPromise(this.mapToBase(p), opts);
  }

  statSync(p, opts) {
    return this.baseFs.statSync(this.mapToBase(p), opts);
  }

  async fstatPromise(fd, opts) {
    return this.baseFs.fstatPromise(fd, opts);
  }

  fstatSync(fd, opts) {
    return this.baseFs.fstatSync(fd, opts);
  }

  async lstatPromise(p, opts) {
    return this.baseFs.lstatPromise(this.mapToBase(p), opts);
  }

  lstatSync(p, opts) {
    return this.baseFs.lstatSync(this.mapToBase(p), opts);
  }

  async chmodPromise(p, mask) {
    return this.baseFs.chmodPromise(this.mapToBase(p), mask);
  }

  chmodSync(p, mask) {
    return this.baseFs.chmodSync(this.mapToBase(p), mask);
  }

  async chownPromise(p, uid, gid) {
    return this.baseFs.chownPromise(this.mapToBase(p), uid, gid);
  }

  chownSync(p, uid, gid) {
    return this.baseFs.chownSync(this.mapToBase(p), uid, gid);
  }

  async renamePromise(oldP, newP) {
    return this.baseFs.renamePromise(this.mapToBase(oldP), this.mapToBase(newP));
  }

  renameSync(oldP, newP) {
    return this.baseFs.renameSync(this.mapToBase(oldP), this.mapToBase(newP));
  }

  async copyFilePromise(sourceP, destP, flags = 0) {
    return this.baseFs.copyFilePromise(this.mapToBase(sourceP), this.mapToBase(destP), flags);
  }

  copyFileSync(sourceP, destP, flags = 0) {
    return this.baseFs.copyFileSync(this.mapToBase(sourceP), this.mapToBase(destP), flags);
  }

  async appendFilePromise(p, content, opts) {
    return this.baseFs.appendFilePromise(this.fsMapToBase(p), content, opts);
  }

  appendFileSync(p, content, opts) {
    return this.baseFs.appendFileSync(this.fsMapToBase(p), content, opts);
  }

  async writeFilePromise(p, content, opts) {
    return this.baseFs.writeFilePromise(this.fsMapToBase(p), content, opts);
  }

  writeFileSync(p, content, opts) {
    return this.baseFs.writeFileSync(this.fsMapToBase(p), content, opts);
  }

  async unlinkPromise(p) {
    return this.baseFs.unlinkPromise(this.mapToBase(p));
  }

  unlinkSync(p) {
    return this.baseFs.unlinkSync(this.mapToBase(p));
  }

  async utimesPromise(p, atime, mtime) {
    return this.baseFs.utimesPromise(this.mapToBase(p), atime, mtime);
  }

  utimesSync(p, atime, mtime) {
    return this.baseFs.utimesSync(this.mapToBase(p), atime, mtime);
  }

  async mkdirPromise(p, opts) {
    return this.baseFs.mkdirPromise(this.mapToBase(p), opts);
  }

  mkdirSync(p, opts) {
    return this.baseFs.mkdirSync(this.mapToBase(p), opts);
  }

  async rmdirPromise(p, opts) {
    return this.baseFs.rmdirPromise(this.mapToBase(p), opts);
  }

  rmdirSync(p, opts) {
    return this.baseFs.rmdirSync(this.mapToBase(p), opts);
  }

  async linkPromise(existingP, newP) {
    return this.baseFs.linkPromise(this.mapToBase(existingP), this.mapToBase(newP));
  }

  linkSync(existingP, newP) {
    return this.baseFs.linkSync(this.mapToBase(existingP), this.mapToBase(newP));
  }

  async symlinkPromise(target, p, type) {
    const mappedP = this.mapToBase(p);
    if (this.pathUtils.isAbsolute(target)) return this.baseFs.symlinkPromise(this.mapToBase(target), mappedP, type);
    const mappedAbsoluteTarget = this.mapToBase(this.pathUtils.join(this.pathUtils.dirname(p), target));
    const mappedTarget = this.baseFs.pathUtils.relative(this.baseFs.pathUtils.dirname(mappedP), mappedAbsoluteTarget);
    return this.baseFs.symlinkPromise(mappedTarget, mappedP, type);
  }

  symlinkSync(target, p, type) {
    const mappedP = this.mapToBase(p);
    if (this.pathUtils.isAbsolute(target)) return this.baseFs.symlinkSync(this.mapToBase(target), mappedP, type);
    const mappedAbsoluteTarget = this.mapToBase(this.pathUtils.join(this.pathUtils.dirname(p), target));
    const mappedTarget = this.baseFs.pathUtils.relative(this.baseFs.pathUtils.dirname(mappedP), mappedAbsoluteTarget);
    return this.baseFs.symlinkSync(mappedTarget, mappedP, type);
  }

  async readFilePromise(p, encoding) {
    // This weird condition is required to tell TypeScript that the signatures are proper (otherwise it thinks that only the generic one is covered)
    if (encoding === `utf8`) {
      return this.baseFs.readFilePromise(this.fsMapToBase(p), encoding);
    } else {
      return this.baseFs.readFilePromise(this.fsMapToBase(p), encoding);
    }
  }

  readFileSync(p, encoding) {
    // This weird condition is required to tell TypeScript that the signatures are proper (otherwise it thinks that only the generic one is covered)
    if (encoding === `utf8`) {
      return this.baseFs.readFileSync(this.fsMapToBase(p), encoding);
    } else {
      return this.baseFs.readFileSync(this.fsMapToBase(p), encoding);
    }
  }

  async readdirPromise(p, opts) {
    return this.baseFs.readdirPromise(this.mapToBase(p), opts);
  }

  readdirSync(p, opts) {
    return this.baseFs.readdirSync(this.mapToBase(p), opts);
  }

  async readlinkPromise(p) {
    return this.mapFromBase(await this.baseFs.readlinkPromise(this.mapToBase(p)));
  }

  readlinkSync(p) {
    return this.mapFromBase(this.baseFs.readlinkSync(this.mapToBase(p)));
  }

  async truncatePromise(p, len) {
    return this.baseFs.truncatePromise(this.mapToBase(p), len);
  }

  truncateSync(p, len) {
    return this.baseFs.truncateSync(this.mapToBase(p), len);
  }

  watch(p, a, b) {
    return this.baseFs.watch(this.mapToBase(p), // @ts-expect-error
    a, b);
  }

  watchFile(p, a, b) {
    return this.baseFs.watchFile(this.mapToBase(p), // @ts-expect-error
    a, b);
  }

  unwatchFile(p, cb) {
    return this.baseFs.unwatchFile(this.mapToBase(p), cb);
  }

  fsMapToBase(p) {
    if (typeof p === `number`) {
      return p;
    } else {
      return this.mapToBase(p);
    }
  }

}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/VirtualFS.ts



const NUMBER_REGEXP = /^[0-9]+$/; // $0: full path
// $1: virtual folder
// $2: virtual segment
// $3: hash
// $4: depth
// $5: subpath

const VIRTUAL_REGEXP = /^(\/(?:[^/]+\/)*?(?:\$\$virtual|__virtual__))((?:\/((?:[^/]+-)?[a-f0-9]+)(?:\/([^/]+))?)?((?:\/.*)?))$/;
const VALID_COMPONENT = /^([^/]+-)?[a-f0-9]+$/;
class VirtualFS extends ProxiedFS {
  constructor({
    baseFs = new NodeFS()
  } = {}) {
    super(ppath);
    this.baseFs = baseFs;
  }

  static makeVirtualPath(base, component, to) {
    if (ppath.basename(base) !== `__virtual__`) throw new Error(`Assertion failed: Virtual folders must be named "__virtual__"`);
    if (!ppath.basename(component).match(VALID_COMPONENT)) throw new Error(`Assertion failed: Virtual components must be ended by an hexadecimal hash`); // Obtains the relative distance between the virtual path and its actual target

    const target = ppath.relative(ppath.dirname(base), to);
    const segments = target.split(`/`); // Counts how many levels we need to go back to start applying the rest of the path

    let depth = 0;

    while (depth < segments.length && segments[depth] === `..`) depth += 1;

    const finalSegments = segments.slice(depth);
    const fullVirtualPath = ppath.join(base, component, String(depth), ...finalSegments);
    return fullVirtualPath;
  }

  static resolveVirtual(p) {
    const match = p.match(VIRTUAL_REGEXP);
    if (!match || !match[3] && match[5]) return p;
    const target = ppath.dirname(match[1]);
    if (!match[3] || !match[4]) return target;
    const isnum = NUMBER_REGEXP.test(match[4]);
    if (!isnum) return p;
    const depth = Number(match[4]);
    const backstep = `../`.repeat(depth);
    const subpath = match[5] || `.`;
    return VirtualFS.resolveVirtual(ppath.join(target, backstep, subpath));
  }

  getExtractHint(hints) {
    return this.baseFs.getExtractHint(hints);
  }

  getRealPath() {
    return this.baseFs.getRealPath();
  }

  realpathSync(p) {
    const match = p.match(VIRTUAL_REGEXP);
    if (!match) return this.baseFs.realpathSync(p);
    if (!match[5]) return p;
    const realpath = this.baseFs.realpathSync(this.mapToBase(p));
    return VirtualFS.makeVirtualPath(match[1], match[3], realpath);
  }

  async realpathPromise(p) {
    const match = p.match(VIRTUAL_REGEXP);
    if (!match) return await this.baseFs.realpathPromise(p);
    if (!match[5]) return p;
    const realpath = await this.baseFs.realpathPromise(this.mapToBase(p));
    return VirtualFS.makeVirtualPath(match[1], match[3], realpath);
  }

  mapToBase(p) {
    if (p === ``) return p;
    if (this.pathUtils.isAbsolute(p)) return VirtualFS.resolveVirtual(p);
    const resolvedRoot = VirtualFS.resolveVirtual(this.baseFs.resolve(PortablePath.dot));
    const resolvedP = VirtualFS.resolveVirtual(this.baseFs.resolve(p));
    return ppath.relative(resolvedRoot, resolvedP) || PortablePath.dot;
  }

  mapFromBase(p) {
    return p;
  }

}
;// CONCATENATED MODULE: external "stream"
const external_stream_namespaceObject = require("stream");;
;// CONCATENATED MODULE: external "util"
const external_util_namespaceObject = require("util");;
;// CONCATENATED MODULE: external "zlib"
const external_zlib_namespaceObject = require("zlib");;
var external_zlib_default = /*#__PURE__*/__webpack_require__.n(external_zlib_namespaceObject);
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/algorithms/opendir.ts

class CustomDir {
  constructor(path, nextDirent, opts = {}) {
    this.path = path;
    this.nextDirent = nextDirent;
    this.opts = opts;
    this.closed = false;
  }

  throwIfClosed() {
    if (this.closed) {
      throw ERR_DIR_CLOSED();
    }
  }

  async *[Symbol.asyncIterator]() {
    try {
      let dirent; // eslint-disable-next-line no-cond-assign

      while ((dirent = await this.read()) !== null) {
        yield dirent;
      }
    } finally {
      await this.close();
    }
  }

  read(cb) {
    const dirent = this.readSync();
    if (typeof cb !== `undefined`) return cb(null, dirent);
    return Promise.resolve(dirent);
  }

  readSync() {
    this.throwIfClosed();
    return this.nextDirent();
  }

  close(cb) {
    this.closeSync();
    if (typeof cb !== `undefined`) return cb(null);
    return Promise.resolve();
  }

  closeSync() {
    var _a, _b;

    this.throwIfClosed();
    (_b = (_a = this.opts).onClose) === null || _b === void 0 ? void 0 : _b.call(_a);
    this.closed = true;
  }

}
function opendir(fakeFs, path, entries, opts) {
  const nextDirent = () => {
    const filename = entries.shift();
    if (typeof filename === `undefined`) return null;
    return Object.assign(fakeFs.statSync(fakeFs.pathUtils.join(path, filename)), {
      name: filename
    });
  };

  return new CustomDir(path, nextDirent, opts);
}
;// CONCATENATED MODULE: external "events"
const external_events_namespaceObject = require("events");;
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/statUtils.ts


const DEFAULT_MODE = constants_S_IFREG | 0o644;
class DirEntry {
  constructor() {
    this.name = ``;
    this.mode = 0;
  }

  isBlockDevice() {
    return false;
  }

  isCharacterDevice() {
    return false;
  }

  isDirectory() {
    return (this.mode & S_IFMT) === S_IFDIR;
  }

  isFIFO() {
    return false;
  }

  isFile() {
    return (this.mode & S_IFMT) === S_IFREG;
  }

  isSocket() {
    return false;
  }

  isSymbolicLink() {
    return (this.mode & S_IFMT) === S_IFLNK;
  }

}
class StatEntry {
  constructor() {
    this.uid = 0;
    this.gid = 0;
    this.size = 0;
    this.blksize = 0;
    this.atimeMs = 0;
    this.mtimeMs = 0;
    this.ctimeMs = 0;
    this.birthtimeMs = 0;
    this.atime = new Date(0);
    this.mtime = new Date(0);
    this.ctime = new Date(0);
    this.birthtime = new Date(0);
    this.dev = 0;
    this.ino = 0;
    this.mode = DEFAULT_MODE;
    this.nlink = 1;
    this.rdev = 0;
    this.blocks = 1;
  }

  isBlockDevice() {
    return false;
  }

  isCharacterDevice() {
    return false;
  }

  isDirectory() {
    return (this.mode & constants_S_IFMT) === constants_S_IFDIR;
  }

  isFIFO() {
    return false;
  }

  isFile() {
    return (this.mode & constants_S_IFMT) === constants_S_IFREG;
  }

  isSocket() {
    return false;
  }

  isSymbolicLink() {
    return (this.mode & constants_S_IFMT) === constants_S_IFLNK;
  }

}
class BigIntStatsEntry {
  constructor() {
    this.uid = BigInt(0);
    this.gid = BigInt(0);
    this.size = BigInt(0);
    this.blksize = BigInt(0);
    this.atimeMs = BigInt(0);
    this.mtimeMs = BigInt(0);
    this.ctimeMs = BigInt(0);
    this.birthtimeMs = BigInt(0);
    this.atimeNs = BigInt(0);
    this.mtimeNs = BigInt(0);
    this.ctimeNs = BigInt(0);
    this.birthtimeNs = BigInt(0);
    this.atime = new Date(0);
    this.mtime = new Date(0);
    this.ctime = new Date(0);
    this.birthtime = new Date(0);
    this.dev = BigInt(0);
    this.ino = BigInt(0);
    this.mode = BigInt(DEFAULT_MODE);
    this.nlink = BigInt(1);
    this.rdev = BigInt(0);
    this.blocks = BigInt(1);
  }

  isBlockDevice() {
    return false;
  }

  isCharacterDevice() {
    return false;
  }

  isDirectory() {
    return (this.mode & BigInt(constants_S_IFMT)) === BigInt(constants_S_IFDIR);
  }

  isFIFO() {
    return false;
  }

  isFile() {
    return (this.mode & BigInt(constants_S_IFMT)) === BigInt(constants_S_IFREG);
  }

  isSocket() {
    return false;
  }

  isSymbolicLink() {
    return (this.mode & BigInt(constants_S_IFMT)) === BigInt(constants_S_IFLNK);
  }

}
function makeDefaultStats() {
  return new StatEntry();
}
function makeEmptyStats() {
  return clearStats(makeDefaultStats());
}
/**
 * Mutates the provided stats object to zero it out then returns it for convenience
 */

function clearStats(stats) {
  for (const key in stats) {
    if (Object.prototype.hasOwnProperty.call(stats, key)) {
      const element = stats[key];

      if (typeof element === `number`) {
        // @ts-expect-error Typescript can't tell that stats[key] is a number
        stats[key] = 0;
      } else if (typeof element === `bigint`) {
        // @ts-expect-error Typescript can't tell that stats[key] is a bigint
        stats[key] = BigInt(0);
      } else if (external_util_namespaceObject.types.isDate(element)) {
        // @ts-expect-error Typescript can't tell that stats[key] is a bigint
        stats[key] = new Date(0);
      }
    }
  }

  return stats;
}
function convertToBigIntStats(stats) {
  const bigintStats = new BigIntStatsEntry();

  for (const key in stats) {
    if (Object.prototype.hasOwnProperty.call(stats, key)) {
      const element = stats[key];

      if (typeof element === `number`) {
        // @ts-expect-error Typescript isn't able to tell this is valid
        bigintStats[key] = BigInt(element);
      } else if (external_util_namespaceObject.types.isDate(element)) {
        // @ts-expect-error Typescript isn't able to tell this is valid
        bigintStats[key] = new Date(element);
      }
    }
  }

  bigintStats.atimeNs = bigintStats.atimeMs * BigInt(1e6);
  bigintStats.mtimeNs = bigintStats.mtimeMs * BigInt(1e6);
  bigintStats.ctimeNs = bigintStats.ctimeMs * BigInt(1e6);
  bigintStats.birthtimeNs = bigintStats.birthtimeMs * BigInt(1e6);
  return bigintStats;
}
function areStatsEqual(a, b) {
  if (a.atimeMs !== b.atimeMs) return false;
  if (a.birthtimeMs !== b.birthtimeMs) return false;
  if (a.blksize !== b.blksize) return false;
  if (a.blocks !== b.blocks) return false;
  if (a.ctimeMs !== b.ctimeMs) return false;
  if (a.dev !== b.dev) return false;
  if (a.gid !== b.gid) return false;
  if (a.ino !== b.ino) return false;
  if (a.isBlockDevice() !== b.isBlockDevice()) return false;
  if (a.isCharacterDevice() !== b.isCharacterDevice()) return false;
  if (a.isDirectory() !== b.isDirectory()) return false;
  if (a.isFIFO() !== b.isFIFO()) return false;
  if (a.isFile() !== b.isFile()) return false;
  if (a.isSocket() !== b.isSocket()) return false;
  if (a.isSymbolicLink() !== b.isSymbolicLink()) return false;
  if (a.mode !== b.mode) return false;
  if (a.mtimeMs !== b.mtimeMs) return false;
  if (a.nlink !== b.nlink) return false;
  if (a.rdev !== b.rdev) return false;
  if (a.size !== b.size) return false;
  if (a.uid !== b.uid) return false;
  const aN = a;
  const bN = b;
  if (aN.atimeNs !== bN.atimeNs) return false;
  if (aN.mtimeNs !== bN.mtimeNs) return false;
  if (aN.ctimeNs !== bN.ctimeNs) return false;
  if (aN.birthtimeNs !== bN.birthtimeNs) return false;
  return true;
}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/algorithms/watchFile/CustomStatWatcher.ts


var Event;

(function (Event) {
  Event["Change"] = "change";
  Event["Stop"] = "stop";
})(Event || (Event = {}));

var Status;

(function (Status) {
  Status["Ready"] = "ready";
  Status["Running"] = "running";
  Status["Stopped"] = "stopped";
})(Status || (Status = {}));

function assertStatus(current, expected) {
  if (current !== expected) {
    throw new Error(`Invalid StatWatcher status: expected '${expected}', got '${current}'`);
  }
}
class CustomStatWatcher extends external_events_namespaceObject.EventEmitter {
  constructor(fakeFs, path, {
    bigint = false
  } = {}) {
    super();
    this.status = Status.Ready;
    this.changeListeners = new Map();
    this.startTimeout = null;
    this.fakeFs = fakeFs;
    this.path = path;
    this.bigint = bigint;
    this.lastStats = this.stat();
  }

  static create(fakeFs, path, opts) {
    const statWatcher = new CustomStatWatcher(fakeFs, path, opts);
    statWatcher.start();
    return statWatcher;
  }

  start() {
    assertStatus(this.status, Status.Ready);
    this.status = Status.Running; // Node allows other listeners to be registered up to 3 milliseconds
    // after the watcher has been started, so that's what we're doing too

    this.startTimeout = setTimeout(() => {
      this.startTimeout = null; // Per the Node FS docs:
      // "When an fs.watchFile operation results in an ENOENT error,
      // it will invoke the listener once, with all the fields zeroed
      // (or, for dates, the Unix Epoch)."

      if (!this.fakeFs.existsSync(this.path)) {
        this.emit(Event.Change, this.lastStats, this.lastStats);
      }
    }, 3);
  }

  stop() {
    assertStatus(this.status, Status.Running);
    this.status = Status.Stopped;

    if (this.startTimeout !== null) {
      clearTimeout(this.startTimeout);
      this.startTimeout = null;
    }

    this.emit(Event.Stop);
  }

  stat() {
    try {
      return this.fakeFs.statSync(this.path, {
        bigint: this.bigint
      });
    } catch (error) {
      // From observation, all errors seem to be mostly ignored by Node.
      // Checked with ENOENT, ENOTDIR, EPERM
      const statInstance = this.bigint ? new BigIntStatsEntry() : new StatEntry();
      return clearStats(statInstance);
    }
  }
  /**
   * Creates an interval whose callback compares the current stats with the previous stats and notifies all listeners in case of changes.
   *
   * @param opts.persistent Decides whether the interval should be immediately unref-ed.
   */


  makeInterval(opts) {
    const interval = setInterval(() => {
      const currentStats = this.stat();
      const previousStats = this.lastStats;
      if (areStatsEqual(currentStats, previousStats)) return;
      this.lastStats = currentStats;
      this.emit(Event.Change, currentStats, previousStats);
    }, opts.interval);
    return opts.persistent ? interval : interval.unref();
  }
  /**
   * Registers a listener and assigns it an interval.
   */


  registerChangeListener(listener, opts) {
    this.addListener(Event.Change, listener);
    this.changeListeners.set(listener, this.makeInterval(opts));
  }
  /**
   * Unregisters the listener and clears the assigned interval.
   */


  unregisterChangeListener(listener) {
    this.removeListener(Event.Change, listener);
    const interval = this.changeListeners.get(listener);
    if (typeof interval !== `undefined`) clearInterval(interval);
    this.changeListeners.delete(listener);
  }
  /**
   * Unregisters all listeners and clears all assigned intervals.
   */


  unregisterAllChangeListeners() {
    for (const listener of this.changeListeners.keys()) {
      this.unregisterChangeListener(listener);
    }
  }

  hasChangeListeners() {
    return this.changeListeners.size > 0;
  }
  /**
   * Refs all stored intervals.
   */


  ref() {
    for (const interval of this.changeListeners.values()) interval.ref();

    return this;
  }
  /**
   * Unrefs all stored intervals.
   */


  unref() {
    for (const interval of this.changeListeners.values()) interval.unref();

    return this;
  }

}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/algorithms/watchFile.ts

const statWatchersByFakeFS = new WeakMap();
function watchFile(fakeFs, path, a, b) {
  let bigint;
  let persistent;
  let interval;
  let listener;

  switch (typeof a) {
    case `function`:
      {
        bigint = false;
        persistent = true;
        interval = 5007;
        listener = a;
      }
      break;

    default:
      {
        ({
          bigint = false,
          persistent = true,
          interval = 5007
        } = a);
        listener = b;
      }
      break;
  }

  let statWatchers = statWatchersByFakeFS.get(fakeFs);
  if (typeof statWatchers === `undefined`) statWatchersByFakeFS.set(fakeFs, statWatchers = new Map());
  let statWatcher = statWatchers.get(path);

  if (typeof statWatcher === `undefined`) {
    statWatcher = CustomStatWatcher.create(fakeFs, path, {
      bigint
    });
    statWatchers.set(path, statWatcher);
  }

  statWatcher.registerChangeListener(listener, {
    persistent,
    interval
  });
  return statWatcher;
}
function unwatchFile(fakeFs, path, cb) {
  const statWatchers = statWatchersByFakeFS.get(fakeFs);
  if (typeof statWatchers === `undefined`) return;
  const statWatcher = statWatchers.get(path);
  if (typeof statWatcher === `undefined`) return;
  if (typeof cb === `undefined`) statWatcher.unregisterAllChangeListeners();else statWatcher.unregisterChangeListener(cb);

  if (!statWatcher.hasChangeListeners()) {
    statWatcher.stop();
    statWatchers.delete(path);
  }
}
function unwatchAllFiles(fakeFs) {
  const statWatchers = statWatchersByFakeFS.get(fakeFs);
  if (typeof statWatchers === `undefined`) return;

  for (const path of statWatchers.keys()) {
    unwatchFile(fakeFs, path);
  }
}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/ZipFS.ts












const DEFAULT_COMPRESSION_LEVEL = `mixed`;

function toUnixTimestamp(time) {
  if (typeof time === `string` && String(+time) === time) return +time;

  if (Number.isFinite(time)) {
    if (time < 0) {
      return Date.now() / 1000;
    } else {
      return time;
    }
  } // convert to 123.456 UNIX timestamp


  if ((0,external_util_namespaceObject.isDate)(time)) return time.getTime() / 1000;
  throw new Error(`Invalid time`);
}

function makeEmptyArchive() {
  return Buffer.from([0x50, 0x4B, 0x05, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]);
}
class ZipFS extends BasePortableFakeFS {
  constructor(source, opts) {
    super();
    this.lzSource = null;
    this.listings = new Map();
    this.entries = new Map();
    /**
     * A cache of indices mapped to file sources.
     * Populated by `setFileSource` calls.
     * Required for supporting read after write.
     */

    this.fileSources = new Map();
    this.fds = new Map();
    this.nextFd = 0;
    this.ready = false;
    this.readOnly = false;
    this.libzip = opts.libzip;
    const pathOptions = opts;
    this.level = typeof pathOptions.level !== `undefined` ? pathOptions.level : DEFAULT_COMPRESSION_LEVEL;
    source !== null && source !== void 0 ? source : source = makeEmptyArchive();

    if (typeof source === `string`) {
      const {
        baseFs = new NodeFS()
      } = pathOptions;
      this.baseFs = baseFs;
      this.path = source;
    } else {
      this.path = null;
      this.baseFs = null;
    }

    if (opts.stats) {
      this.stats = opts.stats;
    } else {
      if (typeof source === `string`) {
        try {
          this.stats = this.baseFs.statSync(source);
        } catch (error) {
          if (error.code === `ENOENT` && pathOptions.create) {
            this.stats = makeDefaultStats();
          } else {
            throw error;
          }
        }
      } else {
        this.stats = makeDefaultStats();
      }
    }

    const errPtr = this.libzip.malloc(4);

    try {
      let flags = 0;
      if (typeof source === `string` && pathOptions.create) flags |= this.libzip.ZIP_CREATE | this.libzip.ZIP_TRUNCATE;

      if (opts.readOnly) {
        flags |= this.libzip.ZIP_RDONLY;
        this.readOnly = true;
      }

      if (typeof source === `string`) {
        this.zip = this.libzip.open(npath.fromPortablePath(source), flags, errPtr);
      } else {
        const lzSource = this.allocateUnattachedSource(source);

        try {
          this.zip = this.libzip.openFromSource(lzSource, flags, errPtr);
          this.lzSource = lzSource;
        } catch (error) {
          this.libzip.source.free(lzSource);
          throw error;
        }
      }

      if (this.zip === 0) {
        const error = this.libzip.struct.errorS();
        this.libzip.error.initWithCode(error, this.libzip.getValue(errPtr, `i32`));
        throw this.makeLibzipError(error);
      }
    } finally {
      this.libzip.free(errPtr);
    }

    this.listings.set(PortablePath.root, new Set());
    const entryCount = this.libzip.getNumEntries(this.zip, 0);

    for (let t = 0; t < entryCount; ++t) {
      const raw = this.libzip.getName(this.zip, t, 0);
      if (ppath.isAbsolute(raw)) continue;
      const p = ppath.resolve(PortablePath.root, raw);
      this.registerEntry(p, t); // If the raw path is a directory, register it
      // to prevent empty folder being skipped

      if (raw.endsWith(`/`)) {
        this.registerListing(p);
      }
    }

    this.symlinkCount = this.libzip.ext.countSymlinks(this.zip);
    if (this.symlinkCount === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));
    this.ready = true;
  }

  makeLibzipError(error) {
    const errorCode = this.libzip.struct.errorCodeZip(error);
    const strerror = this.libzip.error.strerror(error);
    const libzipError = new LibzipError(strerror, this.libzip.errors[errorCode]); // This error should never come up because of the file source cache

    if (errorCode === this.libzip.errors.ZIP_ER_CHANGED) throw new Error(`Assertion failed: Unexpected libzip error: ${libzipError.message}`);
    return libzipError;
  }

  getExtractHint(hints) {
    for (const fileName of this.entries.keys()) {
      const ext = this.pathUtils.extname(fileName);

      if (hints.relevantExtensions.has(ext)) {
        return true;
      }
    }

    return false;
  }

  getAllFiles() {
    return Array.from(this.entries.keys());
  }

  getRealPath() {
    if (!this.path) throw new Error(`ZipFS don't have real paths when loaded from a buffer`);
    return this.path;
  }

  getBufferAndClose() {
    this.prepareClose();
    if (!this.lzSource) throw new Error(`ZipFS was not created from a Buffer`);

    try {
      // Prevent close from cleaning up the source
      this.libzip.source.keep(this.lzSource); // Close the zip archive

      if (this.libzip.close(this.zip) === -1) throw this.makeLibzipError(this.libzip.getError(this.zip)); // Open the source for reading

      if (this.libzip.source.open(this.lzSource) === -1) throw this.makeLibzipError(this.libzip.source.error(this.lzSource)); // Move to the end of source

      if (this.libzip.source.seek(this.lzSource, 0, 0, this.libzip.SEEK_END) === -1) throw this.makeLibzipError(this.libzip.source.error(this.lzSource)); // Get the size of source

      const size = this.libzip.source.tell(this.lzSource);
      if (size === -1) throw this.makeLibzipError(this.libzip.source.error(this.lzSource)); // Move to the start of source

      if (this.libzip.source.seek(this.lzSource, 0, 0, this.libzip.SEEK_SET) === -1) throw this.makeLibzipError(this.libzip.source.error(this.lzSource));
      const buffer = this.libzip.malloc(size);
      if (!buffer) throw new Error(`Couldn't allocate enough memory`);

      try {
        const rc = this.libzip.source.read(this.lzSource, buffer, size);
        if (rc === -1) throw this.makeLibzipError(this.libzip.source.error(this.lzSource));else if (rc < size) throw new Error(`Incomplete read`);else if (rc > size) throw new Error(`Overread`);
        const memory = this.libzip.HEAPU8.subarray(buffer, buffer + size);
        return Buffer.from(memory);
      } finally {
        this.libzip.free(buffer);
      }
    } finally {
      this.libzip.source.close(this.lzSource);
      this.libzip.source.free(this.lzSource);
      this.ready = false;
    }
  }

  prepareClose() {
    if (!this.ready) throw EBUSY(`archive closed, close`);
    unwatchAllFiles(this);
  }

  saveAndClose() {
    if (!this.path || !this.baseFs) throw new Error(`ZipFS cannot be saved and must be discarded when loaded from a buffer`);
    this.prepareClose();

    if (this.readOnly) {
      this.discardAndClose();
      return;
    }

    const newMode = this.baseFs.existsSync(this.path) || this.stats.mode === DEFAULT_MODE ? undefined : this.stats.mode; // zip_close doesn't persist empty archives

    if (this.entries.size === 0) {
      this.discardAndClose();
      this.baseFs.writeFileSync(this.path, makeEmptyArchive(), {
        mode: newMode
      });
    } else {
      const rc = this.libzip.close(this.zip);
      if (rc === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));

      if (typeof newMode !== `undefined`) {
        this.baseFs.chmodSync(this.path, newMode);
      }
    }

    this.ready = false;
  }

  discardAndClose() {
    this.prepareClose();
    this.libzip.discard(this.zip);
    this.ready = false;
  }

  resolve(p) {
    return ppath.resolve(PortablePath.root, p);
  }

  async openPromise(p, flags, mode) {
    return this.openSync(p, flags, mode);
  }

  openSync(p, flags, mode) {
    const fd = this.nextFd++;
    this.fds.set(fd, {
      cursor: 0,
      p
    });
    return fd;
  }

  hasOpenFileHandles() {
    return !!this.fds.size;
  }

  async opendirPromise(p, opts) {
    return this.opendirSync(p, opts);
  }

  opendirSync(p, opts = {}) {
    const resolvedP = this.resolveFilename(`opendir '${p}'`, p);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`opendir '${p}'`);
    const directoryListing = this.listings.get(resolvedP);
    if (!directoryListing) throw ENOTDIR(`opendir '${p}'`);
    const entries = [...directoryListing];
    const fd = this.openSync(resolvedP, `r`);

    const onClose = () => {
      this.closeSync(fd);
    };

    return opendir(this, resolvedP, entries, {
      onClose
    });
  }

  async readPromise(fd, buffer, offset, length, position) {
    return this.readSync(fd, buffer, offset, length, position);
  }

  readSync(fd, buffer, offset = 0, length = buffer.byteLength, position = -1) {
    const entry = this.fds.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`read`);
    let realPosition;
    if (position === -1 || position === null) realPosition = entry.cursor;else realPosition = position;
    const source = this.readFileSync(entry.p);
    source.copy(buffer, offset, realPosition, realPosition + length);
    const bytesRead = Math.max(0, Math.min(source.length - realPosition, length));
    if (position === -1 || position === null) entry.cursor += bytesRead;
    return bytesRead;
  }

  async writePromise(fd, buffer, offset, length, position) {
    if (typeof buffer === `string`) {
      return this.writeSync(fd, buffer, position);
    } else {
      return this.writeSync(fd, buffer, offset, length, position);
    }
  }

  writeSync(fd, buffer, offset, length, position) {
    const entry = this.fds.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`read`);
    throw new Error(`Unimplemented`);
  }

  async closePromise(fd) {
    return this.closeSync(fd);
  }

  closeSync(fd) {
    const entry = this.fds.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`read`);
    this.fds.delete(fd);
  }

  createReadStream(p, {
    encoding
  } = {}) {
    if (p === null) throw new Error(`Unimplemented`);
    const fd = this.openSync(p, `r`);
    const stream = Object.assign(new external_stream_namespaceObject.PassThrough({
      emitClose: true,
      autoDestroy: true,
      destroy: (error, callback) => {
        clearImmediate(immediate);
        this.closeSync(fd);
        callback(error);
      }
    }), {
      close() {
        stream.destroy();
      },

      bytesRead: 0,
      path: p
    });
    const immediate = setImmediate(async () => {
      try {
        const data = await this.readFilePromise(p, encoding);
        stream.bytesRead = data.length;
        stream.end(data);
      } catch (error) {
        stream.destroy(error);
      }
    });
    return stream;
  }

  createWriteStream(p, {
    encoding
  } = {}) {
    if (this.readOnly) throw EROFS(`open '${p}'`);
    if (p === null) throw new Error(`Unimplemented`);
    const chunks = [];
    const fd = this.openSync(p, `w`);
    const stream = Object.assign(new external_stream_namespaceObject.PassThrough({
      autoDestroy: true,
      emitClose: true,
      destroy: (error, callback) => {
        try {
          if (error) {
            callback(error);
          } else {
            this.writeFileSync(p, Buffer.concat(chunks), encoding);
            callback(null);
          }
        } catch (err) {
          callback(err);
        } finally {
          this.closeSync(fd);
        }
      }
    }), {
      bytesWritten: 0,
      path: p,

      close() {
        stream.destroy();
      }

    });
    stream.on(`data`, chunk => {
      const chunkBuffer = Buffer.from(chunk);
      stream.bytesWritten += chunkBuffer.length;
      chunks.push(chunkBuffer);
    });
    return stream;
  }

  async realpathPromise(p) {
    return this.realpathSync(p);
  }

  realpathSync(p) {
    const resolvedP = this.resolveFilename(`lstat '${p}'`, p);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`lstat '${p}'`);
    return resolvedP;
  }

  async existsPromise(p) {
    return this.existsSync(p);
  }

  existsSync(p) {
    if (!this.ready) throw EBUSY(`archive closed, existsSync '${p}'`);

    if (this.symlinkCount === 0) {
      const resolvedP = ppath.resolve(PortablePath.root, p);
      return this.entries.has(resolvedP) || this.listings.has(resolvedP);
    }

    let resolvedP;

    try {
      resolvedP = this.resolveFilename(`stat '${p}'`, p);
    } catch (error) {
      return false;
    }

    return this.entries.has(resolvedP) || this.listings.has(resolvedP);
  }

  async accessPromise(p, mode) {
    return this.accessSync(p, mode);
  }

  accessSync(p, mode = external_fs_.constants.F_OK) {
    const resolvedP = this.resolveFilename(`access '${p}'`, p);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`access '${p}'`);

    if (this.readOnly && mode & external_fs_.constants.W_OK) {
      throw EROFS(`access '${p}'`);
    }
  }

  async statPromise(p, opts) {
    return this.statSync(p, opts);
  }

  statSync(p, opts) {
    const resolvedP = this.resolveFilename(`stat '${p}'`, p);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`stat '${p}'`);
    if (p[p.length - 1] === `/` && !this.listings.has(resolvedP)) throw ENOTDIR(`stat '${p}'`);
    return this.statImpl(`stat '${p}'`, resolvedP, opts);
  }

  async fstatPromise(fd, opts) {
    return this.fstatSync(fd, opts);
  }

  fstatSync(fd, opts) {
    const entry = this.fds.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`fstatSync`);
    const {
      p
    } = entry;
    const resolvedP = this.resolveFilename(`stat '${p}'`, p);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`stat '${p}'`);
    if (p[p.length - 1] === `/` && !this.listings.has(resolvedP)) throw ENOTDIR(`stat '${p}'`);
    return this.statImpl(`fstat '${p}'`, resolvedP, opts);
  }

  async lstatPromise(p, opts) {
    return this.lstatSync(p, opts);
  }

  lstatSync(p, opts) {
    const resolvedP = this.resolveFilename(`lstat '${p}'`, p, false);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`lstat '${p}'`);
    if (p[p.length - 1] === `/` && !this.listings.has(resolvedP)) throw ENOTDIR(`lstat '${p}'`);
    return this.statImpl(`lstat '${p}'`, resolvedP, opts);
  }

  statImpl(reason, p, opts = {}) {
    const entry = this.entries.get(p); // File, or explicit directory

    if (typeof entry !== `undefined`) {
      const stat = this.libzip.struct.statS();
      const rc = this.libzip.statIndex(this.zip, entry, 0, 0, stat);
      if (rc === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));
      const uid = this.stats.uid;
      const gid = this.stats.gid;
      const size = this.libzip.struct.statSize(stat) >>> 0;
      const blksize = 512;
      const blocks = Math.ceil(size / blksize);
      const mtimeMs = (this.libzip.struct.statMtime(stat) >>> 0) * 1000;
      const atimeMs = mtimeMs;
      const birthtimeMs = mtimeMs;
      const ctimeMs = mtimeMs;
      const atime = new Date(atimeMs);
      const birthtime = new Date(birthtimeMs);
      const ctime = new Date(ctimeMs);
      const mtime = new Date(mtimeMs);
      const type = this.listings.has(p) ? constants_S_IFDIR : this.isSymbolicLink(entry) ? constants_S_IFLNK : constants_S_IFREG;
      const defaultMode = type === constants_S_IFDIR ? 0o755 : 0o644;
      const mode = type | this.getUnixMode(entry, defaultMode) & 0o777;
      const crc = this.libzip.struct.statCrc(stat);
      const statInstance = Object.assign(new StatEntry(), {
        uid,
        gid,
        size,
        blksize,
        blocks,
        atime,
        birthtime,
        ctime,
        mtime,
        atimeMs,
        birthtimeMs,
        ctimeMs,
        mtimeMs,
        mode,
        crc
      });
      return opts.bigint === true ? convertToBigIntStats(statInstance) : statInstance;
    } // Implicit directory


    if (this.listings.has(p)) {
      const uid = this.stats.uid;
      const gid = this.stats.gid;
      const size = 0;
      const blksize = 512;
      const blocks = 0;
      const atimeMs = this.stats.mtimeMs;
      const birthtimeMs = this.stats.mtimeMs;
      const ctimeMs = this.stats.mtimeMs;
      const mtimeMs = this.stats.mtimeMs;
      const atime = new Date(atimeMs);
      const birthtime = new Date(birthtimeMs);
      const ctime = new Date(ctimeMs);
      const mtime = new Date(mtimeMs);
      const mode = constants_S_IFDIR | 0o755;
      const crc = 0;
      const statInstance = Object.assign(new StatEntry(), {
        uid,
        gid,
        size,
        blksize,
        blocks,
        atime,
        birthtime,
        ctime,
        mtime,
        atimeMs,
        birthtimeMs,
        ctimeMs,
        mtimeMs,
        mode,
        crc
      });
      return opts.bigint === true ? convertToBigIntStats(statInstance) : statInstance;
    }

    throw new Error(`Unreachable`);
  }

  getUnixMode(index, defaultMode) {
    const rc = this.libzip.file.getExternalAttributes(this.zip, index, 0, 0, this.libzip.uint08S, this.libzip.uint32S);
    if (rc === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));
    const opsys = this.libzip.getValue(this.libzip.uint08S, `i8`) >>> 0;
    if (opsys !== this.libzip.ZIP_OPSYS_UNIX) return defaultMode;
    return this.libzip.getValue(this.libzip.uint32S, `i32`) >>> 16;
  }

  registerListing(p) {
    let listing = this.listings.get(p);
    if (listing) return listing;
    const parentListing = this.registerListing(ppath.dirname(p));
    listing = new Set();
    parentListing.add(ppath.basename(p));
    this.listings.set(p, listing);
    return listing;
  }

  registerEntry(p, index) {
    const parentListing = this.registerListing(ppath.dirname(p));
    parentListing.add(ppath.basename(p));
    this.entries.set(p, index);
  }

  unregisterListing(p) {
    this.listings.delete(p);
    const parentListing = this.listings.get(ppath.dirname(p));
    parentListing === null || parentListing === void 0 ? void 0 : parentListing.delete(ppath.basename(p));
  }

  unregisterEntry(p) {
    this.unregisterListing(p);
    const entry = this.entries.get(p);
    this.entries.delete(p);
    if (typeof entry === `undefined`) return;
    this.fileSources.delete(entry);

    if (this.isSymbolicLink(entry)) {
      this.symlinkCount--;
    }
  }

  deleteEntry(p, index) {
    this.unregisterEntry(p);
    const rc = this.libzip.delete(this.zip, index);

    if (rc === -1) {
      throw this.makeLibzipError(this.libzip.getError(this.zip));
    }
  }

  resolveFilename(reason, p, resolveLastComponent = true) {
    if (!this.ready) throw EBUSY(`archive closed, ${reason}`);
    let resolvedP = ppath.resolve(PortablePath.root, p);
    if (resolvedP === `/`) return PortablePath.root;
    const fileIndex = this.entries.get(resolvedP);

    if (resolveLastComponent && fileIndex !== undefined) {
      if (this.symlinkCount !== 0 && this.isSymbolicLink(fileIndex)) {
        const target = this.getFileSource(fileIndex).toString();
        return this.resolveFilename(reason, ppath.resolve(ppath.dirname(resolvedP), target), true);
      } else {
        return resolvedP;
      }
    }

    while (true) {
      const parentP = this.resolveFilename(reason, ppath.dirname(resolvedP), true);
      const isDir = this.listings.has(parentP);
      const doesExist = this.entries.has(parentP);
      if (!isDir && !doesExist) throw ENOENT(reason);
      if (!isDir) throw ENOTDIR(reason);
      resolvedP = ppath.resolve(parentP, ppath.basename(resolvedP));
      if (!resolveLastComponent || this.symlinkCount === 0) break;
      const index = this.libzip.name.locate(this.zip, resolvedP.slice(1));
      if (index === -1) break;

      if (this.isSymbolicLink(index)) {
        const target = this.getFileSource(index).toString();
        resolvedP = ppath.resolve(ppath.dirname(resolvedP), target);
      } else {
        break;
      }
    }

    return resolvedP;
  }

  allocateBuffer(content) {
    if (!Buffer.isBuffer(content)) content = Buffer.from(content);
    const buffer = this.libzip.malloc(content.byteLength);
    if (!buffer) throw new Error(`Couldn't allocate enough memory`); // Copy the file into the Emscripten heap

    const heap = new Uint8Array(this.libzip.HEAPU8.buffer, buffer, content.byteLength);
    heap.set(content);
    return {
      buffer,
      byteLength: content.byteLength
    };
  }

  allocateUnattachedSource(content) {
    const error = this.libzip.struct.errorS();
    const {
      buffer,
      byteLength
    } = this.allocateBuffer(content);
    const source = this.libzip.source.fromUnattachedBuffer(buffer, byteLength, 0, true, error);

    if (source === 0) {
      this.libzip.free(error);
      throw this.makeLibzipError(error);
    }

    return source;
  }

  allocateSource(content) {
    const {
      buffer,
      byteLength
    } = this.allocateBuffer(content);
    const source = this.libzip.source.fromBuffer(this.zip, buffer, byteLength, 0, true);

    if (source === 0) {
      this.libzip.free(buffer);
      throw this.makeLibzipError(this.libzip.getError(this.zip));
    }

    return source;
  }

  setFileSource(p, content) {
    const buffer = Buffer.isBuffer(content) ? content : Buffer.from(content);
    const target = ppath.relative(PortablePath.root, p);
    const lzSource = this.allocateSource(content);

    try {
      const newIndex = this.libzip.file.add(this.zip, target, lzSource, this.libzip.ZIP_FL_OVERWRITE);
      if (newIndex === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));

      if (this.level !== `mixed`) {
        // Use store for level 0, and deflate for 1..9
        let method;
        if (this.level === 0) method = this.libzip.ZIP_CM_STORE;else method = this.libzip.ZIP_CM_DEFLATE;
        const rc = this.libzip.file.setCompression(this.zip, newIndex, 0, method, this.level);

        if (rc === -1) {
          throw this.makeLibzipError(this.libzip.getError(this.zip));
        }
      }

      this.fileSources.set(newIndex, buffer);
      return newIndex;
    } catch (error) {
      this.libzip.source.free(lzSource);
      throw error;
    }
  }

  isSymbolicLink(index) {
    if (this.symlinkCount === 0) return false;
    const attrs = this.libzip.file.getExternalAttributes(this.zip, index, 0, 0, this.libzip.uint08S, this.libzip.uint32S);
    if (attrs === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));
    const opsys = this.libzip.getValue(this.libzip.uint08S, `i8`) >>> 0;
    if (opsys !== this.libzip.ZIP_OPSYS_UNIX) return false;
    const attributes = this.libzip.getValue(this.libzip.uint32S, `i32`) >>> 16;
    return (attributes & constants_S_IFMT) === constants_S_IFLNK;
  }

  getFileSource(index, opts = {
    asyncDecompress: false
  }) {
    const cachedFileSource = this.fileSources.get(index);
    if (typeof cachedFileSource !== `undefined`) return cachedFileSource;
    const stat = this.libzip.struct.statS();
    const rc = this.libzip.statIndex(this.zip, index, 0, 0, stat);
    if (rc === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));
    const size = this.libzip.struct.statCompSize(stat);
    const compressionMethod = this.libzip.struct.statCompMethod(stat);
    const buffer = this.libzip.malloc(size);

    try {
      const file = this.libzip.fopenIndex(this.zip, index, 0, this.libzip.ZIP_FL_COMPRESSED);
      if (file === 0) throw this.makeLibzipError(this.libzip.getError(this.zip));

      try {
        const rc = this.libzip.fread(file, buffer, size, 0);
        if (rc === -1) throw this.makeLibzipError(this.libzip.file.getError(file));else if (rc < size) throw new Error(`Incomplete read`);else if (rc > size) throw new Error(`Overread`);
        const memory = this.libzip.HEAPU8.subarray(buffer, buffer + size);
        const data = Buffer.from(memory);

        if (compressionMethod === 0) {
          this.fileSources.set(index, data);
          return data;
        } else if (opts.asyncDecompress) {
          return new Promise((resolve, reject) => {
            external_zlib_default().inflateRaw(data, (error, result) => {
              if (error) {
                reject(error);
              } else {
                this.fileSources.set(index, result);
                resolve(result);
              }
            });
          });
        } else {
          const decompressedData = external_zlib_default().inflateRawSync(data);
          this.fileSources.set(index, decompressedData);
          return decompressedData;
        }
      } finally {
        this.libzip.fclose(file);
      }
    } finally {
      this.libzip.free(buffer);
    }
  }

  async chmodPromise(p, mask) {
    return this.chmodSync(p, mask);
  }

  chmodSync(p, mask) {
    if (this.readOnly) throw EROFS(`chmod '${p}'`); // We don't allow to make the extracted entries group-writable

    mask &= 0o755;
    const resolvedP = this.resolveFilename(`chmod '${p}'`, p, false);
    const entry = this.entries.get(resolvedP);
    if (typeof entry === `undefined`) throw new Error(`Assertion failed: The entry should have been registered (${resolvedP})`);
    const oldMod = this.getUnixMode(entry, constants_S_IFREG | 0o000);
    const newMod = oldMod & ~0o777 | mask;
    const rc = this.libzip.file.setExternalAttributes(this.zip, entry, 0, 0, this.libzip.ZIP_OPSYS_UNIX, newMod << 16);

    if (rc === -1) {
      throw this.makeLibzipError(this.libzip.getError(this.zip));
    }
  }

  async chownPromise(p, uid, gid) {
    return this.chownSync(p, uid, gid);
  }

  chownSync(p, uid, gid) {
    throw new Error(`Unimplemented`);
  }

  async renamePromise(oldP, newP) {
    return this.renameSync(oldP, newP);
  }

  renameSync(oldP, newP) {
    throw new Error(`Unimplemented`);
  }

  async copyFilePromise(sourceP, destP, flags) {
    const {
      indexSource,
      indexDest,
      resolvedDestP
    } = this.prepareCopyFile(sourceP, destP, flags);
    const source = await this.getFileSource(indexSource, {
      asyncDecompress: true
    });
    const newIndex = this.setFileSource(resolvedDestP, source);

    if (newIndex !== indexDest) {
      this.registerEntry(resolvedDestP, newIndex);
    }
  }

  copyFileSync(sourceP, destP, flags = 0) {
    const {
      indexSource,
      indexDest,
      resolvedDestP
    } = this.prepareCopyFile(sourceP, destP, flags);
    const source = this.getFileSource(indexSource);
    const newIndex = this.setFileSource(resolvedDestP, source);

    if (newIndex !== indexDest) {
      this.registerEntry(resolvedDestP, newIndex);
    }
  }

  prepareCopyFile(sourceP, destP, flags = 0) {
    if (this.readOnly) throw EROFS(`copyfile '${sourceP} -> '${destP}'`);
    if ((flags & external_fs_.constants.COPYFILE_FICLONE_FORCE) !== 0) throw ENOSYS(`unsupported clone operation`, `copyfile '${sourceP}' -> ${destP}'`);
    const resolvedSourceP = this.resolveFilename(`copyfile '${sourceP} -> ${destP}'`, sourceP);
    const indexSource = this.entries.get(resolvedSourceP);
    if (typeof indexSource === `undefined`) throw EINVAL(`copyfile '${sourceP}' -> '${destP}'`);
    const resolvedDestP = this.resolveFilename(`copyfile '${sourceP}' -> ${destP}'`, destP);
    const indexDest = this.entries.get(resolvedDestP);
    if ((flags & (external_fs_.constants.COPYFILE_EXCL | external_fs_.constants.COPYFILE_FICLONE_FORCE)) !== 0 && typeof indexDest !== `undefined`) throw EEXIST(`copyfile '${sourceP}' -> '${destP}'`);
    return {
      indexSource,
      resolvedDestP,
      indexDest
    };
  }

  async appendFilePromise(p, content, opts) {
    if (this.readOnly) throw EROFS(`open '${p}'`);
    if (typeof opts === `undefined`) opts = {
      flag: `a`
    };else if (typeof opts === `string`) opts = {
      flag: `a`,
      encoding: opts
    };else if (typeof opts.flag === `undefined`) opts = {
      flag: `a`,
      ...opts
    };
    return this.writeFilePromise(p, content, opts);
  }

  appendFileSync(p, content, opts = {}) {
    if (this.readOnly) throw EROFS(`open '${p}'`);
    if (typeof opts === `undefined`) opts = {
      flag: `a`
    };else if (typeof opts === `string`) opts = {
      flag: `a`,
      encoding: opts
    };else if (typeof opts.flag === `undefined`) opts = {
      flag: `a`,
      ...opts
    };
    return this.writeFileSync(p, content, opts);
  }

  fdToPath(fd, reason) {
    var _a;

    const path = (_a = this.fds.get(fd)) === null || _a === void 0 ? void 0 : _a.p;
    if (typeof path === `undefined`) throw EBADF(reason);
    return path;
  }

  async writeFilePromise(p, content, opts) {
    const {
      encoding,
      mode,
      index,
      resolvedP
    } = this.prepareWriteFile(p, opts);
    if (index !== undefined && typeof opts === `object` && opts.flag && opts.flag.includes(`a`)) content = Buffer.concat([await this.getFileSource(index, {
      asyncDecompress: true
    }), Buffer.from(content)]);
    if (encoding !== null) content = content.toString(encoding);
    const newIndex = this.setFileSource(resolvedP, content);
    if (newIndex !== index) this.registerEntry(resolvedP, newIndex);

    if (mode !== null) {
      await this.chmodPromise(resolvedP, mode);
    }
  }

  writeFileSync(p, content, opts) {
    const {
      encoding,
      mode,
      index,
      resolvedP
    } = this.prepareWriteFile(p, opts);
    if (index !== undefined && typeof opts === `object` && opts.flag && opts.flag.includes(`a`)) content = Buffer.concat([this.getFileSource(index), Buffer.from(content)]);
    if (encoding !== null) content = content.toString(encoding);
    const newIndex = this.setFileSource(resolvedP, content);
    if (newIndex !== index) this.registerEntry(resolvedP, newIndex);

    if (mode !== null) {
      this.chmodSync(resolvedP, mode);
    }
  }

  prepareWriteFile(p, opts) {
    if (typeof p === `number`) p = this.fdToPath(p, `read`);
    if (this.readOnly) throw EROFS(`open '${p}'`);
    const resolvedP = this.resolveFilename(`open '${p}'`, p);
    if (this.listings.has(resolvedP)) throw EISDIR(`open '${p}'`);
    let encoding = null,
        mode = null;

    if (typeof opts === `string`) {
      encoding = opts;
    } else if (typeof opts === `object`) {
      ({
        encoding = null,
        mode = null
      } = opts);
    }

    const index = this.entries.get(resolvedP);
    return {
      encoding,
      mode,
      resolvedP,
      index
    };
  }

  async unlinkPromise(p) {
    return this.unlinkSync(p);
  }

  unlinkSync(p) {
    if (this.readOnly) throw EROFS(`unlink '${p}'`);
    const resolvedP = this.resolveFilename(`unlink '${p}'`, p);
    if (this.listings.has(resolvedP)) throw EISDIR(`unlink '${p}'`);
    const index = this.entries.get(resolvedP);
    if (typeof index === `undefined`) throw EINVAL(`unlink '${p}'`);
    this.deleteEntry(resolvedP, index);
  }

  async utimesPromise(p, atime, mtime) {
    return this.utimesSync(p, atime, mtime);
  }

  utimesSync(p, atime, mtime) {
    if (this.readOnly) throw EROFS(`utimes '${p}'`);
    const resolvedP = this.resolveFilename(`utimes '${p}'`, p);
    this.utimesImpl(resolvedP, mtime);
  }

  async lutimesPromise(p, atime, mtime) {
    return this.lutimesSync(p, atime, mtime);
  }

  lutimesSync(p, atime, mtime) {
    if (this.readOnly) throw EROFS(`lutimes '${p}'`);
    const resolvedP = this.resolveFilename(`utimes '${p}'`, p, false);
    this.utimesImpl(resolvedP, mtime);
  }

  utimesImpl(resolvedP, mtime) {
    if (this.listings.has(resolvedP)) if (!this.entries.has(resolvedP)) this.hydrateDirectory(resolvedP);
    const entry = this.entries.get(resolvedP);
    if (entry === undefined) throw new Error(`Unreachable`);
    const rc = this.libzip.file.setMtime(this.zip, entry, 0, toUnixTimestamp(mtime), 0);

    if (rc === -1) {
      throw this.makeLibzipError(this.libzip.getError(this.zip));
    }
  }

  async mkdirPromise(p, opts) {
    return this.mkdirSync(p, opts);
  }

  mkdirSync(p, {
    mode = 0o755,
    recursive = false
  } = {}) {
    if (recursive) {
      this.mkdirpSync(p, {
        chmod: mode
      });
      return;
    }

    if (this.readOnly) throw EROFS(`mkdir '${p}'`);
    const resolvedP = this.resolveFilename(`mkdir '${p}'`, p);
    if (this.entries.has(resolvedP) || this.listings.has(resolvedP)) throw EEXIST(`mkdir '${p}'`);
    this.hydrateDirectory(resolvedP);
    this.chmodSync(resolvedP, mode);
  }

  async rmdirPromise(p, opts) {
    return this.rmdirSync(p, opts);
  }

  rmdirSync(p, {
    recursive = false
  } = {}) {
    if (this.readOnly) throw EROFS(`rmdir '${p}'`);

    if (recursive) {
      this.removeSync(p);
      return;
    }

    const resolvedP = this.resolveFilename(`rmdir '${p}'`, p);
    const directoryListing = this.listings.get(resolvedP);
    if (!directoryListing) throw ENOTDIR(`rmdir '${p}'`);
    if (directoryListing.size > 0) throw ENOTEMPTY(`rmdir '${p}'`);
    const index = this.entries.get(resolvedP);
    if (typeof index === `undefined`) throw EINVAL(`rmdir '${p}'`);
    this.deleteEntry(p, index);
  }

  hydrateDirectory(resolvedP) {
    const index = this.libzip.dir.add(this.zip, ppath.relative(PortablePath.root, resolvedP));
    if (index === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));
    this.registerListing(resolvedP);
    this.registerEntry(resolvedP, index);
    return index;
  }

  async linkPromise(existingP, newP) {
    return this.linkSync(existingP, newP);
  }

  linkSync(existingP, newP) {
    // Zip archives don't support hard links:
    // https://stackoverflow.com/questions/8859616/are-hard-links-possible-within-a-zip-archive
    throw EOPNOTSUPP(`link '${existingP}' -> '${newP}'`);
  }

  async symlinkPromise(target, p) {
    return this.symlinkSync(target, p);
  }

  symlinkSync(target, p) {
    if (this.readOnly) throw EROFS(`symlink '${target}' -> '${p}'`);
    const resolvedP = this.resolveFilename(`symlink '${target}' -> '${p}'`, p);
    if (this.listings.has(resolvedP)) throw EISDIR(`symlink '${target}' -> '${p}'`);
    if (this.entries.has(resolvedP)) throw EEXIST(`symlink '${target}' -> '${p}'`);
    const index = this.setFileSource(resolvedP, target);
    this.registerEntry(resolvedP, index);
    const rc = this.libzip.file.setExternalAttributes(this.zip, index, 0, 0, this.libzip.ZIP_OPSYS_UNIX, (constants_S_IFLNK | 0o777) << 16);
    if (rc === -1) throw this.makeLibzipError(this.libzip.getError(this.zip));
    this.symlinkCount += 1;
  }

  async readFilePromise(p, encoding) {
    // This is messed up regarding the TS signatures
    if (typeof encoding === `object`) // @ts-expect-error
      encoding = encoding ? encoding.encoding : undefined;
    const data = await this.readFileBuffer(p, {
      asyncDecompress: true
    });
    return encoding ? data.toString(encoding) : data;
  }

  readFileSync(p, encoding) {
    // This is messed up regarding the TS signatures
    if (typeof encoding === `object`) // @ts-expect-error
      encoding = encoding ? encoding.encoding : undefined;
    const data = this.readFileBuffer(p);
    return encoding ? data.toString(encoding) : data;
  }

  readFileBuffer(p, opts = {
    asyncDecompress: false
  }) {
    if (typeof p === `number`) p = this.fdToPath(p, `read`);
    const resolvedP = this.resolveFilename(`open '${p}'`, p);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`open '${p}'`); // Ensures that the last component is a directory, if the user said so (even if it is we'll throw right after with EISDIR anyway)

    if (p[p.length - 1] === `/` && !this.listings.has(resolvedP)) throw ENOTDIR(`open '${p}'`);
    if (this.listings.has(resolvedP)) throw EISDIR(`read`);
    const entry = this.entries.get(resolvedP);
    if (entry === undefined) throw new Error(`Unreachable`);
    return this.getFileSource(entry, opts);
  }

  async readdirPromise(p, opts) {
    return this.readdirSync(p, opts);
  }

  readdirSync(p, opts) {
    const resolvedP = this.resolveFilename(`scandir '${p}'`, p);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`scandir '${p}'`);
    const directoryListing = this.listings.get(resolvedP);
    if (!directoryListing) throw ENOTDIR(`scandir '${p}'`);
    const entries = [...directoryListing];
    if (!(opts === null || opts === void 0 ? void 0 : opts.withFileTypes)) return entries;
    return entries.map(name => {
      return Object.assign(this.statImpl(`lstat`, ppath.join(p, name)), {
        name
      });
    });
  }

  async readlinkPromise(p) {
    const entry = this.prepareReadlink(p);
    return (await this.getFileSource(entry, {
      asyncDecompress: true
    })).toString();
  }

  readlinkSync(p) {
    const entry = this.prepareReadlink(p);
    return this.getFileSource(entry).toString();
  }

  prepareReadlink(p) {
    const resolvedP = this.resolveFilename(`readlink '${p}'`, p, false);
    if (!this.entries.has(resolvedP) && !this.listings.has(resolvedP)) throw ENOENT(`readlink '${p}'`); // Ensure that the last component is a directory (if it is we'll throw right after with EISDIR anyway)

    if (p[p.length - 1] === `/` && !this.listings.has(resolvedP)) throw ENOTDIR(`open '${p}'`);
    if (this.listings.has(resolvedP)) throw EINVAL(`readlink '${p}'`);
    const entry = this.entries.get(resolvedP);
    if (entry === undefined) throw new Error(`Unreachable`);
    if (!this.isSymbolicLink(entry)) throw EINVAL(`readlink '${p}'`);
    return entry;
  }

  async truncatePromise(p, len = 0) {
    const resolvedP = this.resolveFilename(`open '${p}'`, p);
    const index = this.entries.get(resolvedP);
    if (typeof index === `undefined`) throw EINVAL(`open '${p}'`);
    const source = await this.getFileSource(index, {
      asyncDecompress: true
    });
    const truncated = Buffer.alloc(len, 0x00);
    source.copy(truncated);
    return await this.writeFilePromise(p, truncated);
  }

  truncateSync(p, len = 0) {
    const resolvedP = this.resolveFilename(`open '${p}'`, p);
    const index = this.entries.get(resolvedP);
    if (typeof index === `undefined`) throw EINVAL(`open '${p}'`);
    const source = this.getFileSource(index);
    const truncated = Buffer.alloc(len, 0x00);
    source.copy(truncated);
    return this.writeFileSync(p, truncated);
  }

  watch(p, a, b) {
    let persistent;

    switch (typeof a) {
      case `function`:
      case `string`:
      case `undefined`:
        {
          persistent = true;
        }
        break;

      default:
        {
          ({
            persistent = true
          } = a);
        }
        break;
    }

    if (!persistent) return {
      on: () => {},
      close: () => {}
    };
    const interval = setInterval(() => {}, 24 * 60 * 60 * 1000);
    return {
      on: () => {},
      close: () => {
        clearInterval(interval);
      }
    };
  }

  watchFile(p, a, b) {
    const resolvedP = ppath.resolve(PortablePath.root, p);
    return watchFile(this, resolvedP, a, b);
  }

  unwatchFile(p, cb) {
    const resolvedP = ppath.resolve(PortablePath.root, p);
    return unwatchFile(this, resolvedP, cb);
  }

}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/ZipOpenFS.ts







const ZIP_FD = 0x80000000;
/**
 * Extracts the archive part (ending in the first instance of `extension`) from a path.
 *
 * The indexOf-based implementation is ~3.7x faster than a RegExp-based implementation.
 */

const getArchivePart = (path, extension) => {
  let idx = path.indexOf(extension);
  if (idx <= 0) return null;
  let nextCharIdx = idx;

  while (idx >= 0) {
    nextCharIdx = idx + extension.length;
    if (path[nextCharIdx] === ppath.sep) break; // Disallow files named ".zip"

    if (path[idx - 1] === ppath.sep) return null;
    idx = path.indexOf(extension, nextCharIdx);
  } // The path either has to end in ".zip" or contain an archive subpath (".zip/...")


  if (path.length > nextCharIdx && path[nextCharIdx] !== ppath.sep) return null;
  return path.slice(0, nextCharIdx);
};
class ZipOpenFS extends BasePortableFakeFS {
  constructor({
    libzip,
    baseFs = new NodeFS(),
    filter = null,
    maxOpenFiles = Infinity,
    readOnlyArchives = false,
    useCache = true,
    maxAge = 5000,
    fileExtensions = null
  }) {
    super();
    this.fdMap = new Map();
    this.nextFd = 3;
    this.isZip = new Set();
    this.notZip = new Set();
    this.realPaths = new Map();
    this.limitOpenFilesTimeout = null;
    this.libzipFactory = typeof libzip !== `function` ? () => libzip : libzip;
    this.baseFs = baseFs;
    this.zipInstances = useCache ? new Map() : null;
    this.filter = filter;
    this.maxOpenFiles = maxOpenFiles;
    this.readOnlyArchives = readOnlyArchives;
    this.maxAge = maxAge;
    this.fileExtensions = fileExtensions;
  }

  static async openPromise(fn, opts) {
    const zipOpenFs = new ZipOpenFS(opts);

    try {
      return await fn(zipOpenFs);
    } finally {
      zipOpenFs.saveAndClose();
    }
  }

  get libzip() {
    if (typeof this.libzipInstance === `undefined`) this.libzipInstance = this.libzipFactory();
    return this.libzipInstance;
  }

  getExtractHint(hints) {
    return this.baseFs.getExtractHint(hints);
  }

  getRealPath() {
    return this.baseFs.getRealPath();
  }

  saveAndClose() {
    unwatchAllFiles(this);

    if (this.zipInstances) {
      for (const [path, {
        zipFs
      }] of this.zipInstances.entries()) {
        zipFs.saveAndClose();
        this.zipInstances.delete(path);
      }
    }
  }

  discardAndClose() {
    unwatchAllFiles(this);

    if (this.zipInstances) {
      for (const [path, {
        zipFs
      }] of this.zipInstances.entries()) {
        zipFs.discardAndClose();
        this.zipInstances.delete(path);
      }
    }
  }

  resolve(p) {
    return this.baseFs.resolve(p);
  }

  remapFd(zipFs, fd) {
    const remappedFd = this.nextFd++ | ZIP_FD;
    this.fdMap.set(remappedFd, [zipFs, fd]);
    return remappedFd;
  }

  async openPromise(p, flags, mode) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.openPromise(p, flags, mode);
    }, async (zipFs, {
      subPath
    }) => {
      return this.remapFd(zipFs, await zipFs.openPromise(subPath, flags, mode));
    });
  }

  openSync(p, flags, mode) {
    return this.makeCallSync(p, () => {
      return this.baseFs.openSync(p, flags, mode);
    }, (zipFs, {
      subPath
    }) => {
      return this.remapFd(zipFs, zipFs.openSync(subPath, flags, mode));
    });
  }

  async opendirPromise(p, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.opendirPromise(p, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.opendirPromise(subPath, opts);
    }, {
      requireSubpath: false
    });
  }

  opendirSync(p, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.opendirSync(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.opendirSync(subPath, opts);
    }, {
      requireSubpath: false
    });
  }

  async readPromise(fd, buffer, offset, length, position) {
    if ((fd & ZIP_FD) === 0) return await this.baseFs.readPromise(fd, buffer, offset, length, position);
    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`read`);
    const [zipFs, realFd] = entry;
    return await zipFs.readPromise(realFd, buffer, offset, length, position);
  }

  readSync(fd, buffer, offset, length, position) {
    if ((fd & ZIP_FD) === 0) return this.baseFs.readSync(fd, buffer, offset, length, position);
    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`readSync`);
    const [zipFs, realFd] = entry;
    return zipFs.readSync(realFd, buffer, offset, length, position);
  }

  async writePromise(fd, buffer, offset, length, position) {
    if ((fd & ZIP_FD) === 0) {
      if (typeof buffer === `string`) {
        return await this.baseFs.writePromise(fd, buffer, offset);
      } else {
        return await this.baseFs.writePromise(fd, buffer, offset, length, position);
      }
    }

    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`write`);
    const [zipFs, realFd] = entry;

    if (typeof buffer === `string`) {
      return await zipFs.writePromise(realFd, buffer, offset);
    } else {
      return await zipFs.writePromise(realFd, buffer, offset, length, position);
    }
  }

  writeSync(fd, buffer, offset, length, position) {
    if ((fd & ZIP_FD) === 0) {
      if (typeof buffer === `string`) {
        return this.baseFs.writeSync(fd, buffer, offset);
      } else {
        return this.baseFs.writeSync(fd, buffer, offset, length, position);
      }
    }

    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`writeSync`);
    const [zipFs, realFd] = entry;

    if (typeof buffer === `string`) {
      return zipFs.writeSync(realFd, buffer, offset);
    } else {
      return zipFs.writeSync(realFd, buffer, offset, length, position);
    }
  }

  async closePromise(fd) {
    if ((fd & ZIP_FD) === 0) return await this.baseFs.closePromise(fd);
    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`close`);
    this.fdMap.delete(fd);
    const [zipFs, realFd] = entry;
    return await zipFs.closePromise(realFd);
  }

  closeSync(fd) {
    if ((fd & ZIP_FD) === 0) return this.baseFs.closeSync(fd);
    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`closeSync`);
    this.fdMap.delete(fd);
    const [zipFs, realFd] = entry;
    return zipFs.closeSync(realFd);
  }

  createReadStream(p, opts) {
    if (p === null) return this.baseFs.createReadStream(p, opts);
    return this.makeCallSync(p, () => {
      return this.baseFs.createReadStream(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.createReadStream(subPath, opts);
    });
  }

  createWriteStream(p, opts) {
    if (p === null) return this.baseFs.createWriteStream(p, opts);
    return this.makeCallSync(p, () => {
      return this.baseFs.createWriteStream(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.createWriteStream(subPath, opts);
    });
  }

  async realpathPromise(p) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.realpathPromise(p);
    }, async (zipFs, {
      archivePath,
      subPath
    }) => {
      let realArchivePath = this.realPaths.get(archivePath);

      if (typeof realArchivePath === `undefined`) {
        realArchivePath = await this.baseFs.realpathPromise(archivePath);
        this.realPaths.set(archivePath, realArchivePath);
      }

      return this.pathUtils.join(realArchivePath, this.pathUtils.relative(PortablePath.root, await zipFs.realpathPromise(subPath)));
    });
  }

  realpathSync(p) {
    return this.makeCallSync(p, () => {
      return this.baseFs.realpathSync(p);
    }, (zipFs, {
      archivePath,
      subPath
    }) => {
      let realArchivePath = this.realPaths.get(archivePath);

      if (typeof realArchivePath === `undefined`) {
        realArchivePath = this.baseFs.realpathSync(archivePath);
        this.realPaths.set(archivePath, realArchivePath);
      }

      return this.pathUtils.join(realArchivePath, this.pathUtils.relative(PortablePath.root, zipFs.realpathSync(subPath)));
    });
  }

  async existsPromise(p) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.existsPromise(p);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.existsPromise(subPath);
    });
  }

  existsSync(p) {
    return this.makeCallSync(p, () => {
      return this.baseFs.existsSync(p);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.existsSync(subPath);
    });
  }

  async accessPromise(p, mode) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.accessPromise(p, mode);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.accessPromise(subPath, mode);
    });
  }

  accessSync(p, mode) {
    return this.makeCallSync(p, () => {
      return this.baseFs.accessSync(p, mode);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.accessSync(subPath, mode);
    });
  }

  async statPromise(p, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.statPromise(p, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.statPromise(subPath, opts);
    });
  }

  statSync(p, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.statSync(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.statSync(subPath, opts);
    });
  }

  async fstatPromise(fd, opts) {
    if ((fd & ZIP_FD) === 0) return this.baseFs.fstatPromise(fd, opts);
    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`fstat`);
    const [zipFs, realFd] = entry;
    return zipFs.fstatPromise(realFd, opts);
  }

  fstatSync(fd, opts) {
    if ((fd & ZIP_FD) === 0) return this.baseFs.fstatSync(fd, opts);
    const entry = this.fdMap.get(fd);
    if (typeof entry === `undefined`) throw EBADF(`fstatSync`);
    const [zipFs, realFd] = entry;
    return zipFs.fstatSync(realFd, opts);
  }

  async lstatPromise(p, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.lstatPromise(p, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.lstatPromise(subPath, opts);
    });
  }

  lstatSync(p, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.lstatSync(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.lstatSync(subPath, opts);
    });
  }

  async chmodPromise(p, mask) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.chmodPromise(p, mask);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.chmodPromise(subPath, mask);
    });
  }

  chmodSync(p, mask) {
    return this.makeCallSync(p, () => {
      return this.baseFs.chmodSync(p, mask);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.chmodSync(subPath, mask);
    });
  }

  async chownPromise(p, uid, gid) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.chownPromise(p, uid, gid);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.chownPromise(subPath, uid, gid);
    });
  }

  chownSync(p, uid, gid) {
    return this.makeCallSync(p, () => {
      return this.baseFs.chownSync(p, uid, gid);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.chownSync(subPath, uid, gid);
    });
  }

  async renamePromise(oldP, newP) {
    return await this.makeCallPromise(oldP, async () => {
      return await this.makeCallPromise(newP, async () => {
        return await this.baseFs.renamePromise(oldP, newP);
      }, async () => {
        throw Object.assign(new Error(`EEXDEV: cross-device link not permitted`), {
          code: `EEXDEV`
        });
      });
    }, async (zipFsO, {
      subPath: subPathO
    }) => {
      return await this.makeCallPromise(newP, async () => {
        throw Object.assign(new Error(`EEXDEV: cross-device link not permitted`), {
          code: `EEXDEV`
        });
      }, async (zipFsN, {
        subPath: subPathN
      }) => {
        if (zipFsO !== zipFsN) {
          throw Object.assign(new Error(`EEXDEV: cross-device link not permitted`), {
            code: `EEXDEV`
          });
        } else {
          return await zipFsO.renamePromise(subPathO, subPathN);
        }
      });
    });
  }

  renameSync(oldP, newP) {
    return this.makeCallSync(oldP, () => {
      return this.makeCallSync(newP, () => {
        return this.baseFs.renameSync(oldP, newP);
      }, () => {
        throw Object.assign(new Error(`EEXDEV: cross-device link not permitted`), {
          code: `EEXDEV`
        });
      });
    }, (zipFsO, {
      subPath: subPathO
    }) => {
      return this.makeCallSync(newP, () => {
        throw Object.assign(new Error(`EEXDEV: cross-device link not permitted`), {
          code: `EEXDEV`
        });
      }, (zipFsN, {
        subPath: subPathN
      }) => {
        if (zipFsO !== zipFsN) {
          throw Object.assign(new Error(`EEXDEV: cross-device link not permitted`), {
            code: `EEXDEV`
          });
        } else {
          return zipFsO.renameSync(subPathO, subPathN);
        }
      });
    });
  }

  async copyFilePromise(sourceP, destP, flags = 0) {
    const fallback = async (sourceFs, sourceP, destFs, destP) => {
      if ((flags & external_fs_.constants.COPYFILE_FICLONE_FORCE) !== 0) throw Object.assign(new Error(`EXDEV: cross-device clone not permitted, copyfile '${sourceP}' -> ${destP}'`), {
        code: `EXDEV`
      });
      if (flags & external_fs_.constants.COPYFILE_EXCL && (await this.existsPromise(sourceP))) throw Object.assign(new Error(`EEXIST: file already exists, copyfile '${sourceP}' -> '${destP}'`), {
        code: `EEXIST`
      });
      let content;

      try {
        content = await sourceFs.readFilePromise(sourceP);
      } catch (error) {
        throw Object.assign(new Error(`EINVAL: invalid argument, copyfile '${sourceP}' -> '${destP}'`), {
          code: `EINVAL`
        });
      }

      await destFs.writeFilePromise(destP, content);
    };

    return await this.makeCallPromise(sourceP, async () => {
      return await this.makeCallPromise(destP, async () => {
        return await this.baseFs.copyFilePromise(sourceP, destP, flags);
      }, async (zipFsD, {
        subPath: subPathD
      }) => {
        return await fallback(this.baseFs, sourceP, zipFsD, subPathD);
      });
    }, async (zipFsS, {
      subPath: subPathS
    }) => {
      return await this.makeCallPromise(destP, async () => {
        return await fallback(zipFsS, subPathS, this.baseFs, destP);
      }, async (zipFsD, {
        subPath: subPathD
      }) => {
        if (zipFsS !== zipFsD) {
          return await fallback(zipFsS, subPathS, zipFsD, subPathD);
        } else {
          return await zipFsS.copyFilePromise(subPathS, subPathD, flags);
        }
      });
    });
  }

  copyFileSync(sourceP, destP, flags = 0) {
    const fallback = (sourceFs, sourceP, destFs, destP) => {
      if ((flags & external_fs_.constants.COPYFILE_FICLONE_FORCE) !== 0) throw Object.assign(new Error(`EXDEV: cross-device clone not permitted, copyfile '${sourceP}' -> ${destP}'`), {
        code: `EXDEV`
      });
      if (flags & external_fs_.constants.COPYFILE_EXCL && this.existsSync(sourceP)) throw Object.assign(new Error(`EEXIST: file already exists, copyfile '${sourceP}' -> '${destP}'`), {
        code: `EEXIST`
      });
      let content;

      try {
        content = sourceFs.readFileSync(sourceP);
      } catch (error) {
        throw Object.assign(new Error(`EINVAL: invalid argument, copyfile '${sourceP}' -> '${destP}'`), {
          code: `EINVAL`
        });
      }

      destFs.writeFileSync(destP, content);
    };

    return this.makeCallSync(sourceP, () => {
      return this.makeCallSync(destP, () => {
        return this.baseFs.copyFileSync(sourceP, destP, flags);
      }, (zipFsD, {
        subPath: subPathD
      }) => {
        return fallback(this.baseFs, sourceP, zipFsD, subPathD);
      });
    }, (zipFsS, {
      subPath: subPathS
    }) => {
      return this.makeCallSync(destP, () => {
        return fallback(zipFsS, subPathS, this.baseFs, destP);
      }, (zipFsD, {
        subPath: subPathD
      }) => {
        if (zipFsS !== zipFsD) {
          return fallback(zipFsS, subPathS, zipFsD, subPathD);
        } else {
          return zipFsS.copyFileSync(subPathS, subPathD, flags);
        }
      });
    });
  }

  async appendFilePromise(p, content, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.appendFilePromise(p, content, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.appendFilePromise(subPath, content, opts);
    });
  }

  appendFileSync(p, content, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.appendFileSync(p, content, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.appendFileSync(subPath, content, opts);
    });
  }

  async writeFilePromise(p, content, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.writeFilePromise(p, content, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.writeFilePromise(subPath, content, opts);
    });
  }

  writeFileSync(p, content, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.writeFileSync(p, content, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.writeFileSync(subPath, content, opts);
    });
  }

  async unlinkPromise(p) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.unlinkPromise(p);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.unlinkPromise(subPath);
    });
  }

  unlinkSync(p) {
    return this.makeCallSync(p, () => {
      return this.baseFs.unlinkSync(p);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.unlinkSync(subPath);
    });
  }

  async utimesPromise(p, atime, mtime) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.utimesPromise(p, atime, mtime);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.utimesPromise(subPath, atime, mtime);
    });
  }

  utimesSync(p, atime, mtime) {
    return this.makeCallSync(p, () => {
      return this.baseFs.utimesSync(p, atime, mtime);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.utimesSync(subPath, atime, mtime);
    });
  }

  async mkdirPromise(p, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.mkdirPromise(p, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.mkdirPromise(subPath, opts);
    });
  }

  mkdirSync(p, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.mkdirSync(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.mkdirSync(subPath, opts);
    });
  }

  async rmdirPromise(p, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.rmdirPromise(p, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.rmdirPromise(subPath, opts);
    });
  }

  rmdirSync(p, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.rmdirSync(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.rmdirSync(subPath, opts);
    });
  }

  async linkPromise(existingP, newP) {
    return await this.makeCallPromise(newP, async () => {
      return await this.baseFs.linkPromise(existingP, newP);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.linkPromise(existingP, subPath);
    });
  }

  linkSync(existingP, newP) {
    return this.makeCallSync(newP, () => {
      return this.baseFs.linkSync(existingP, newP);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.linkSync(existingP, subPath);
    });
  }

  async symlinkPromise(target, p, type) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.symlinkPromise(target, p, type);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.symlinkPromise(target, subPath);
    });
  }

  symlinkSync(target, p, type) {
    return this.makeCallSync(p, () => {
      return this.baseFs.symlinkSync(target, p, type);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.symlinkSync(target, subPath);
    });
  }

  async readFilePromise(p, encoding) {
    return this.makeCallPromise(p, async () => {
      // This weird switch is required to tell TypeScript that the signatures are proper (otherwise it thinks that only the generic one is covered)
      switch (encoding) {
        case `utf8`:
          return await this.baseFs.readFilePromise(p, encoding);

        default:
          return await this.baseFs.readFilePromise(p, encoding);
      }
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.readFilePromise(subPath, encoding);
    });
  }

  readFileSync(p, encoding) {
    return this.makeCallSync(p, () => {
      // This weird switch is required to tell TypeScript that the signatures are proper (otherwise it thinks that only the generic one is covered)
      switch (encoding) {
        case `utf8`:
          return this.baseFs.readFileSync(p, encoding);

        default:
          return this.baseFs.readFileSync(p, encoding);
      }
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.readFileSync(subPath, encoding);
    });
  }

  async readdirPromise(p, opts) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.readdirPromise(p, opts);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.readdirPromise(subPath, opts);
    }, {
      requireSubpath: false
    });
  }

  readdirSync(p, opts) {
    return this.makeCallSync(p, () => {
      return this.baseFs.readdirSync(p, opts);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.readdirSync(subPath, opts);
    }, {
      requireSubpath: false
    });
  }

  async readlinkPromise(p) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.readlinkPromise(p);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.readlinkPromise(subPath);
    });
  }

  readlinkSync(p) {
    return this.makeCallSync(p, () => {
      return this.baseFs.readlinkSync(p);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.readlinkSync(subPath);
    });
  }

  async truncatePromise(p, len) {
    return await this.makeCallPromise(p, async () => {
      return await this.baseFs.truncatePromise(p, len);
    }, async (zipFs, {
      subPath
    }) => {
      return await zipFs.truncatePromise(subPath, len);
    });
  }

  truncateSync(p, len) {
    return this.makeCallSync(p, () => {
      return this.baseFs.truncateSync(p, len);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.truncateSync(subPath, len);
    });
  }

  watch(p, a, b) {
    return this.makeCallSync(p, () => {
      return this.baseFs.watch(p, // @ts-expect-error
      a, b);
    }, (zipFs, {
      subPath
    }) => {
      return zipFs.watch(subPath, // @ts-expect-error
      a, b);
    });
  }

  watchFile(p, a, b) {
    return this.makeCallSync(p, () => {
      return this.baseFs.watchFile(p, // @ts-expect-error
      a, b);
    }, () => {
      return watchFile(this, p, a, b);
    });
  }

  unwatchFile(p, cb) {
    return this.makeCallSync(p, () => {
      return this.baseFs.unwatchFile(p, cb);
    }, () => {
      return unwatchFile(this, p, cb);
    });
  }

  async makeCallPromise(p, discard, accept, {
    requireSubpath = true
  } = {}) {
    if (typeof p !== `string`) return await discard();
    const normalizedP = this.resolve(p);
    const zipInfo = this.findZip(normalizedP);
    if (!zipInfo) return await discard();
    if (requireSubpath && zipInfo.subPath === `/`) return await discard();
    return await this.getZipPromise(zipInfo.archivePath, async zipFs => await accept(zipFs, zipInfo));
  }

  makeCallSync(p, discard, accept, {
    requireSubpath = true
  } = {}) {
    if (typeof p !== `string`) return discard();
    const normalizedP = this.resolve(p);
    const zipInfo = this.findZip(normalizedP);
    if (!zipInfo) return discard();
    if (requireSubpath && zipInfo.subPath === `/`) return discard();
    return this.getZipSync(zipInfo.archivePath, zipFs => accept(zipFs, zipInfo));
  }

  findZip(p) {
    if (this.filter && !this.filter.test(p)) return null;
    let filePath = ``;

    while (true) {
      const pathPartWithArchive = p.substr(filePath.length);
      let archivePart;

      if (!this.fileExtensions) {
        archivePart = getArchivePart(pathPartWithArchive, `.zip`);
      } else {
        for (const ext of this.fileExtensions) {
          archivePart = getArchivePart(pathPartWithArchive, ext);

          if (archivePart) {
            break;
          }
        }
      }

      if (!archivePart) return null;
      filePath = this.pathUtils.join(filePath, archivePart);

      if (this.isZip.has(filePath) === false) {
        if (this.notZip.has(filePath)) continue;

        try {
          if (!this.baseFs.lstatSync(filePath).isFile()) {
            this.notZip.add(filePath);
            continue;
          }
        } catch {
          return null;
        }

        this.isZip.add(filePath);
      }

      return {
        archivePath: filePath,
        subPath: this.pathUtils.join(PortablePath.root, p.substr(filePath.length))
      };
    }
  }

  limitOpenFiles(max) {
    if (this.zipInstances === null) return;
    const now = Date.now();
    let nextExpiresAt = now + this.maxAge;
    let closeCount = max === null ? 0 : this.zipInstances.size - max;

    for (const [path, {
      zipFs,
      expiresAt,
      refCount
    }] of this.zipInstances.entries()) {
      if (refCount !== 0 || zipFs.hasOpenFileHandles()) {
        continue;
      } else if (now >= expiresAt) {
        zipFs.saveAndClose();
        this.zipInstances.delete(path);
        closeCount -= 1;
        continue;
      } else if (max === null || closeCount <= 0) {
        nextExpiresAt = expiresAt;
        break;
      }

      zipFs.saveAndClose();
      this.zipInstances.delete(path);
      closeCount -= 1;
    }

    if (this.limitOpenFilesTimeout === null && (max === null && this.zipInstances.size > 0 || max !== null)) {
      this.limitOpenFilesTimeout = setTimeout(() => {
        this.limitOpenFilesTimeout = null;
        this.limitOpenFiles(null);
      }, nextExpiresAt - now).unref();
    }
  }

  async getZipPromise(p, accept) {
    const getZipOptions = async () => ({
      baseFs: this.baseFs,
      libzip: this.libzip,
      readOnly: this.readOnlyArchives,
      stats: await this.baseFs.statPromise(p)
    });

    if (this.zipInstances) {
      let cachedZipFs = this.zipInstances.get(p);

      if (!cachedZipFs) {
        const zipOptions = await getZipOptions(); // We need to recheck because concurrent getZipPromise calls may
        // have instantiated the zip archive while we were waiting

        cachedZipFs = this.zipInstances.get(p);

        if (!cachedZipFs) {
          cachedZipFs = {
            zipFs: new ZipFS(p, zipOptions),
            expiresAt: 0,
            refCount: 0
          };
        }
      } // Removing then re-adding the field allows us to easily implement
      // a basic LRU garbage collection strategy


      this.zipInstances.delete(p);
      this.limitOpenFiles(this.maxOpenFiles - 1);
      this.zipInstances.set(p, cachedZipFs);
      cachedZipFs.expiresAt = Date.now() + this.maxAge;
      cachedZipFs.refCount += 1;

      try {
        return await accept(cachedZipFs.zipFs);
      } finally {
        cachedZipFs.refCount -= 1;
      }
    } else {
      const zipFs = new ZipFS(p, await getZipOptions());

      try {
        return await accept(zipFs);
      } finally {
        zipFs.saveAndClose();
      }
    }
  }

  getZipSync(p, accept) {
    const getZipOptions = () => ({
      baseFs: this.baseFs,
      libzip: this.libzip,
      readOnly: this.readOnlyArchives,
      stats: this.baseFs.statSync(p)
    });

    if (this.zipInstances) {
      let cachedZipFs = this.zipInstances.get(p);

      if (!cachedZipFs) {
        cachedZipFs = {
          zipFs: new ZipFS(p, getZipOptions()),
          expiresAt: 0,
          refCount: 0
        };
      } // Removing then re-adding the field allows us to easily implement
      // a basic LRU garbage collection strategy


      this.zipInstances.delete(p);
      this.limitOpenFiles(this.maxOpenFiles - 1);
      this.zipInstances.set(p, cachedZipFs);
      cachedZipFs.expiresAt = Date.now() + this.maxAge;
      return accept(cachedZipFs.zipFs);
    } else {
      const zipFs = new ZipFS(p, getZipOptions());

      try {
        return accept(zipFs);
      } finally {
        zipFs.saveAndClose();
      }
    }
  }

}
;// CONCATENATED MODULE: ../yarnpkg-libzip/sources/makeInterface.ts
const number64 = [`number`, `number` // high
];
var Errors;

(function (Errors) {
  Errors[Errors["ZIP_ER_OK"] = 0] = "ZIP_ER_OK";
  Errors[Errors["ZIP_ER_MULTIDISK"] = 1] = "ZIP_ER_MULTIDISK";
  Errors[Errors["ZIP_ER_RENAME"] = 2] = "ZIP_ER_RENAME";
  Errors[Errors["ZIP_ER_CLOSE"] = 3] = "ZIP_ER_CLOSE";
  Errors[Errors["ZIP_ER_SEEK"] = 4] = "ZIP_ER_SEEK";
  Errors[Errors["ZIP_ER_READ"] = 5] = "ZIP_ER_READ";
  Errors[Errors["ZIP_ER_WRITE"] = 6] = "ZIP_ER_WRITE";
  Errors[Errors["ZIP_ER_CRC"] = 7] = "ZIP_ER_CRC";
  Errors[Errors["ZIP_ER_ZIPCLOSED"] = 8] = "ZIP_ER_ZIPCLOSED";
  Errors[Errors["ZIP_ER_NOENT"] = 9] = "ZIP_ER_NOENT";
  Errors[Errors["ZIP_ER_EXISTS"] = 10] = "ZIP_ER_EXISTS";
  Errors[Errors["ZIP_ER_OPEN"] = 11] = "ZIP_ER_OPEN";
  Errors[Errors["ZIP_ER_TMPOPEN"] = 12] = "ZIP_ER_TMPOPEN";
  Errors[Errors["ZIP_ER_ZLIB"] = 13] = "ZIP_ER_ZLIB";
  Errors[Errors["ZIP_ER_MEMORY"] = 14] = "ZIP_ER_MEMORY";
  Errors[Errors["ZIP_ER_CHANGED"] = 15] = "ZIP_ER_CHANGED";
  Errors[Errors["ZIP_ER_COMPNOTSUPP"] = 16] = "ZIP_ER_COMPNOTSUPP";
  Errors[Errors["ZIP_ER_EOF"] = 17] = "ZIP_ER_EOF";
  Errors[Errors["ZIP_ER_INVAL"] = 18] = "ZIP_ER_INVAL";
  Errors[Errors["ZIP_ER_NOZIP"] = 19] = "ZIP_ER_NOZIP";
  Errors[Errors["ZIP_ER_INTERNAL"] = 20] = "ZIP_ER_INTERNAL";
  Errors[Errors["ZIP_ER_INCONS"] = 21] = "ZIP_ER_INCONS";
  Errors[Errors["ZIP_ER_REMOVE"] = 22] = "ZIP_ER_REMOVE";
  Errors[Errors["ZIP_ER_DELETED"] = 23] = "ZIP_ER_DELETED";
  Errors[Errors["ZIP_ER_ENCRNOTSUPP"] = 24] = "ZIP_ER_ENCRNOTSUPP";
  Errors[Errors["ZIP_ER_RDONLY"] = 25] = "ZIP_ER_RDONLY";
  Errors[Errors["ZIP_ER_NOPASSWD"] = 26] = "ZIP_ER_NOPASSWD";
  Errors[Errors["ZIP_ER_WRONGPASSWD"] = 27] = "ZIP_ER_WRONGPASSWD";
  Errors[Errors["ZIP_ER_OPNOTSUPP"] = 28] = "ZIP_ER_OPNOTSUPP";
  Errors[Errors["ZIP_ER_INUSE"] = 29] = "ZIP_ER_INUSE";
  Errors[Errors["ZIP_ER_TELL"] = 30] = "ZIP_ER_TELL";
  Errors[Errors["ZIP_ER_COMPRESSED_DATA"] = 31] = "ZIP_ER_COMPRESSED_DATA";
})(Errors || (Errors = {}));

const makeInterface = libzip => ({
  // Those are getters because they can change after memory growth
  get HEAP8() {
    return libzip.HEAP8;
  },

  get HEAPU8() {
    return libzip.HEAPU8;
  },

  errors: Errors,
  SEEK_SET: 0,
  SEEK_CUR: 1,
  SEEK_END: 2,
  ZIP_CHECKCONS: 4,
  ZIP_CREATE: 1,
  ZIP_EXCL: 2,
  ZIP_TRUNCATE: 8,
  ZIP_RDONLY: 16,
  ZIP_FL_OVERWRITE: 8192,
  ZIP_FL_COMPRESSED: 4,
  ZIP_OPSYS_DOS: 0x00,
  ZIP_OPSYS_AMIGA: 0x01,
  ZIP_OPSYS_OPENVMS: 0x02,
  ZIP_OPSYS_UNIX: 0x03,
  ZIP_OPSYS_VM_CMS: 0x04,
  ZIP_OPSYS_ATARI_ST: 0x05,
  ZIP_OPSYS_OS_2: 0x06,
  ZIP_OPSYS_MACINTOSH: 0x07,
  ZIP_OPSYS_Z_SYSTEM: 0x08,
  ZIP_OPSYS_CPM: 0x09,
  ZIP_OPSYS_WINDOWS_NTFS: 0x0a,
  ZIP_OPSYS_MVS: 0x0b,
  ZIP_OPSYS_VSE: 0x0c,
  ZIP_OPSYS_ACORN_RISC: 0x0d,
  ZIP_OPSYS_VFAT: 0x0e,
  ZIP_OPSYS_ALTERNATE_MVS: 0x0f,
  ZIP_OPSYS_BEOS: 0x10,
  ZIP_OPSYS_TANDEM: 0x11,
  ZIP_OPSYS_OS_400: 0x12,
  ZIP_OPSYS_OS_X: 0x13,
  ZIP_CM_DEFAULT: -1,
  ZIP_CM_STORE: 0,
  ZIP_CM_DEFLATE: 8,
  uint08S: libzip._malloc(1),
  uint16S: libzip._malloc(2),
  uint32S: libzip._malloc(4),
  uint64S: libzip._malloc(8),
  malloc: libzip._malloc,
  free: libzip._free,
  getValue: libzip.getValue,
  open: libzip.cwrap(`zip_open`, `number`, [`string`, `number`, `number`]),
  openFromSource: libzip.cwrap(`zip_open_from_source`, `number`, [`number`, `number`, `number`]),
  close: libzip.cwrap(`zip_close`, `number`, [`number`]),
  discard: libzip.cwrap(`zip_discard`, null, [`number`]),
  getError: libzip.cwrap(`zip_get_error`, `number`, [`number`]),
  getName: libzip.cwrap(`zip_get_name`, `string`, [`number`, `number`, `number`]),
  getNumEntries: libzip.cwrap(`zip_get_num_entries`, `number`, [`number`, `number`]),
  delete: libzip.cwrap(`zip_delete`, `number`, [`number`, `number`]),
  stat: libzip.cwrap(`zip_stat`, `number`, [`number`, `string`, `number`, `number`]),
  statIndex: libzip.cwrap(`zip_stat_index`, `number`, [`number`, ...number64, `number`, `number`]),
  fopen: libzip.cwrap(`zip_fopen`, `number`, [`number`, `string`, `number`]),
  fopenIndex: libzip.cwrap(`zip_fopen_index`, `number`, [`number`, ...number64, `number`]),
  fread: libzip.cwrap(`zip_fread`, `number`, [`number`, `number`, `number`, `number`]),
  fclose: libzip.cwrap(`zip_fclose`, `number`, [`number`]),
  dir: {
    add: libzip.cwrap(`zip_dir_add`, `number`, [`number`, `string`])
  },
  file: {
    add: libzip.cwrap(`zip_file_add`, `number`, [`number`, `string`, `number`, `number`]),
    getError: libzip.cwrap(`zip_file_get_error`, `number`, [`number`]),
    getExternalAttributes: libzip.cwrap(`zip_file_get_external_attributes`, `number`, [`number`, ...number64, `number`, `number`, `number`]),
    setExternalAttributes: libzip.cwrap(`zip_file_set_external_attributes`, `number`, [`number`, ...number64, `number`, `number`, `number`]),
    setMtime: libzip.cwrap(`zip_file_set_mtime`, `number`, [`number`, ...number64, `number`, `number`]),
    setCompression: libzip.cwrap(`zip_set_file_compression`, `number`, [`number`, ...number64, `number`, `number`])
  },
  ext: {
    countSymlinks: libzip.cwrap(`zip_ext_count_symlinks`, `number`, [`number`])
  },
  error: {
    initWithCode: libzip.cwrap(`zip_error_init_with_code`, null, [`number`, `number`]),
    strerror: libzip.cwrap(`zip_error_strerror`, `string`, [`number`])
  },
  name: {
    locate: libzip.cwrap(`zip_name_locate`, `number`, [`number`, `string`, `number`])
  },
  source: {
    fromUnattachedBuffer: libzip.cwrap(`zip_source_buffer_create`, `number`, [`number`, `number`, `number`, `number`]),
    fromBuffer: libzip.cwrap(`zip_source_buffer`, `number`, [`number`, `number`, ...number64, `number`]),
    free: libzip.cwrap(`zip_source_free`, null, [`number`]),
    keep: libzip.cwrap(`zip_source_keep`, null, [`number`]),
    open: libzip.cwrap(`zip_source_open`, `number`, [`number`]),
    close: libzip.cwrap(`zip_source_close`, `number`, [`number`]),
    seek: libzip.cwrap(`zip_source_seek`, `number`, [`number`, ...number64, `number`]),
    tell: libzip.cwrap(`zip_source_tell`, `number`, [`number`]),
    read: libzip.cwrap(`zip_source_read`, `number`, [`number`, `number`, `number`]),
    error: libzip.cwrap(`zip_source_error`, `number`, [`number`]),
    setMtime: libzip.cwrap(`zip_source_set_mtime`, `number`, [`number`, `number`])
  },
  struct: {
    stat: libzip.cwrap(`zipstruct_stat`, `number`, []),
    statS: libzip.cwrap(`zipstruct_statS`, `number`, []),
    statName: libzip.cwrap(`zipstruct_stat_name`, `string`, [`number`]),
    statIndex: libzip.cwrap(`zipstruct_stat_index`, `number`, [`number`]),
    statSize: libzip.cwrap(`zipstruct_stat_size`, `number`, [`number`]),
    statCompSize: libzip.cwrap(`zipstruct_stat_comp_size`, `number`, [`number`]),
    statCompMethod: libzip.cwrap(`zipstruct_stat_comp_method`, `number`, [`number`]),
    statMtime: libzip.cwrap(`zipstruct_stat_mtime`, `number`, [`number`]),
    statCrc: libzip.cwrap(`zipstruct_stat_crc`, `number`, [`number`]),
    error: libzip.cwrap(`zipstruct_error`, `number`, []),
    errorS: libzip.cwrap(`zipstruct_errorS`, `number`, []),
    errorCodeZip: libzip.cwrap(`zipstruct_error_code_zip`, `number`, [`number`])
  }
});
;// CONCATENATED MODULE: ../yarnpkg-libzip/sources/sync.ts

let mod = null;
function getLibzipSync() {
  if (mod === null) mod = makeInterface(__webpack_require__(368));
  return mod;
}
async function getLibzipPromise() {
  return getLibzipSync();
}
// EXTERNAL MODULE: external "module"
var external_module_ = __webpack_require__(282);
var external_module_default = /*#__PURE__*/__webpack_require__.n(external_module_);
;// CONCATENATED MODULE: external "string_decoder"
const external_string_decoder_namespaceObject = require("string_decoder");;
var external_string_decoder_default = /*#__PURE__*/__webpack_require__.n(external_string_decoder_namespaceObject);
;// CONCATENATED MODULE: external "url"
const external_url_namespaceObject = require("url");;
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/URLFS.ts



/**
 * Adds support for file URLs to the wrapped `baseFs`, but *not* inside the typings.
 *
 * Only exists for compatibility with Node's behavior.
 *
 * Automatically wraps all FS instances passed to `patchFs` & `extendFs`.
 *
 * Don't use it!
 */

class URLFS extends ProxiedFS {
  constructor(baseFs) {
    super(npath);
    this.baseFs = baseFs;
  }

  mapFromBase(path) {
    return path;
  }

  mapToBase(path) {
    if (path instanceof external_url_namespaceObject.URL) return (0,external_url_namespaceObject.fileURLToPath)(path);
    return path;
  }

}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/patchFs.ts


const SYNC_IMPLEMENTATIONS = new Set([`accessSync`, `appendFileSync`, `createReadStream`, `createWriteStream`, `chmodSync`, `chownSync`, `closeSync`, `copyFileSync`, `linkSync`, `lstatSync`, `fstatSync`, `lutimesSync`, `mkdirSync`, `openSync`, `opendirSync`, `readSync`, `readlinkSync`, `readFileSync`, `readdirSync`, `readlinkSync`, `realpathSync`, `renameSync`, `rmdirSync`, `statSync`, `symlinkSync`, `truncateSync`, `unlinkSync`, `unwatchFile`, `utimesSync`, `watch`, `watchFile`, `writeFileSync`, `writeSync`]);
const ASYNC_IMPLEMENTATIONS = new Set([`accessPromise`, `appendFilePromise`, `chmodPromise`, `chownPromise`, `closePromise`, `copyFilePromise`, `linkPromise`, `fstatPromise`, `lstatPromise`, `lutimesPromise`, `mkdirPromise`, `openPromise`, `opendirPromise`, `readdirPromise`, `realpathPromise`, `readFilePromise`, `readdirPromise`, `readlinkPromise`, `renamePromise`, `rmdirPromise`, `statPromise`, `symlinkPromise`, `truncatePromise`, `unlinkPromise`, `utimesPromise`, `writeFilePromise`, `writeSync`]);
const FILEHANDLE_IMPLEMENTATIONS = new Set([`appendFilePromise`, `chmodPromise`, `chownPromise`, `closePromise`, `readPromise`, `readFilePromise`, `statPromise`, `truncatePromise`, `utimesPromise`, `writePromise`, `writeFilePromise`]);
function patchFs(patchedFs, fakeFs) {
  // We wrap the `fakeFs` with a `URLFS` to add support for URL instances
  fakeFs = new URLFS(fakeFs);

  const setupFn = (target, name, replacement) => {
    const orig = target[name];
    target[name] = replacement; // Preserve any util.promisify implementations

    if (typeof (orig === null || orig === void 0 ? void 0 : orig[external_util_namespaceObject.promisify.custom]) !== `undefined`) {
      replacement[external_util_namespaceObject.promisify.custom] = orig[external_util_namespaceObject.promisify.custom];
    }
  };
  /** Callback implementations */


  {
    setupFn(patchedFs, `exists`, (p, ...args) => {
      const hasCallback = typeof args[args.length - 1] === `function`;
      const callback = hasCallback ? args.pop() : () => {};
      process.nextTick(() => {
        fakeFs.existsPromise(p).then(exists => {
          callback(exists);
        }, () => {
          callback(false);
        });
      });
    });
    setupFn(patchedFs, `read`, (p, buffer, ...args) => {
      const hasCallback = typeof args[args.length - 1] === `function`;
      const callback = hasCallback ? args.pop() : () => {};
      process.nextTick(() => {
        fakeFs.readPromise(p, buffer, ...args).then(bytesRead => {
          callback(null, bytesRead, buffer);
        }, error => {
          // https://github.com/nodejs/node/blob/1317252dfe8824fd9cfee125d2aaa94004db2f3b/lib/fs.js#L655-L658
          // Known issue: bytesRead could theoretically be > than 0, but we currently always return 0
          callback(error, 0, buffer);
        });
      });
    });

    for (const fnName of ASYNC_IMPLEMENTATIONS) {
      const origName = fnName.replace(/Promise$/, ``);
      if (typeof patchedFs[origName] === `undefined`) continue;
      const fakeImpl = fakeFs[fnName];
      if (typeof fakeImpl === `undefined`) continue;

      const wrapper = (...args) => {
        const hasCallback = typeof args[args.length - 1] === `function`;
        const callback = hasCallback ? args.pop() : () => {};
        process.nextTick(() => {
          fakeImpl.apply(fakeFs, args).then(result => {
            callback(null, result);
          }, error => {
            callback(error);
          });
        });
      };

      setupFn(patchedFs, origName, wrapper);
    }

    patchedFs.realpath.native = patchedFs.realpath;
  }
  /** Sync implementations */

  {
    setupFn(patchedFs, `existsSync`, p => {
      try {
        return fakeFs.existsSync(p);
      } catch (error) {
        return false;
      }
    });

    for (const fnName of SYNC_IMPLEMENTATIONS) {
      const origName = fnName;
      if (typeof patchedFs[origName] === `undefined`) continue;
      const fakeImpl = fakeFs[fnName];
      if (typeof fakeImpl === `undefined`) continue;
      setupFn(patchedFs, origName, fakeImpl.bind(fakeFs));
    }

    patchedFs.realpathSync.native = patchedFs.realpathSync;
  }
  /** Promise implementations */

  {
    // `fs.promises` is a getter that returns a reference to require(`fs/promises`),
    // so we can just patch `fs.promises` and both will be updated
    const origEmitWarning = process.emitWarning;

    process.emitWarning = () => {};

    let patchedFsPromises;

    try {
      patchedFsPromises = patchedFs.promises;
    } finally {
      process.emitWarning = origEmitWarning;
    }

    if (typeof patchedFsPromises !== `undefined`) {
      // `fs.promises.exists` doesn't exist
      for (const fnName of ASYNC_IMPLEMENTATIONS) {
        const origName = fnName.replace(/Promise$/, ``);
        if (typeof patchedFsPromises[origName] === `undefined`) continue;
        const fakeImpl = fakeFs[fnName];
        if (typeof fakeImpl === `undefined`) continue; // Open is a bit particular with fs.promises: it returns a file handle
        // instance instead of the traditional file descriptor number

        if (fnName === `open`) continue;
        setupFn(patchedFsPromises, origName, fakeImpl.bind(fakeFs));
      }

      class FileHandle {
        constructor(fd) {
          this.fd = fd;
        }

      }

      for (const fnName of FILEHANDLE_IMPLEMENTATIONS) {
        const origName = fnName.replace(/Promise$/, ``);
        const fakeImpl = fakeFs[fnName];
        if (typeof fakeImpl === `undefined`) continue;
        setupFn(FileHandle.prototype, origName, function (...args) {
          return fakeImpl.call(fakeFs, this.fd, ...args);
        });
      }

      setupFn(patchedFsPromises, `open`, async (...args) => {
        // @ts-expect-error
        const fd = await fakeFs.openPromise(...args);
        return new FileHandle(fd);
      }); // `fs.promises.realpath` doesn't have a `native` property
    }
  }
  /** util.promisify implementations */

  {
    // Override the promisified version of `fs.read` to return an object as per
    // https://github.com/nodejs/node/blob/dc79f3f37caf6f25b8efee4623bec31e2c20f595/lib/fs.js#L559-L560
    // and
    // https://github.com/nodejs/node/blob/ba684805b6c0eded76e5cd89ee00328ac7a59365/lib/internal/util.js#L293
    // @ts-expect-error
    patchedFs.read[external_util_namespaceObject.promisify.custom] = async (p, buffer, ...args) => {
      const res = fakeFs.readPromise(p, buffer, ...args);
      return {
        bytesRead: await res,
        buffer
      };
    };
  }
}
function extendFs(realFs, fakeFs) {
  const patchedFs = Object.create(realFs);
  patchFs(patchedFs, fakeFs);
  return patchedFs;
}
;// CONCATENATED MODULE: ../yarnpkg-fslib/sources/PosixFS.ts


class PosixFS extends ProxiedFS {
  constructor(baseFs) {
    super(npath);
    this.baseFs = baseFs;
  }

  mapFromBase(path) {
    return npath.fromPortablePath(path);
  }

  mapToBase(path) {
    return npath.toPortablePath(path);
  }

}
;// CONCATENATED MODULE: ./sources/loader/internalTools.ts

var ErrorCode;

(function (ErrorCode) {
  ErrorCode["API_ERROR"] = "API_ERROR";
  ErrorCode["BUILTIN_NODE_RESOLUTION_FAILED"] = "BUILTIN_NODE_RESOLUTION_FAILED";
  ErrorCode["MISSING_DEPENDENCY"] = "MISSING_DEPENDENCY";
  ErrorCode["MISSING_PEER_DEPENDENCY"] = "MISSING_PEER_DEPENDENCY";
  ErrorCode["QUALIFIED_PATH_RESOLUTION_FAILED"] = "QUALIFIED_PATH_RESOLUTION_FAILED";
  ErrorCode["INTERNAL"] = "INTERNAL";
  ErrorCode["UNDECLARED_DEPENDENCY"] = "UNDECLARED_DEPENDENCY";
  ErrorCode["UNSUPPORTED"] = "UNSUPPORTED";
})(ErrorCode || (ErrorCode = {})); // Some errors are exposed as MODULE_NOT_FOUND for compatibility with packages
// that expect this umbrella error when the resolution fails


const MODULE_NOT_FOUND_ERRORS = new Set([ErrorCode.BUILTIN_NODE_RESOLUTION_FAILED, ErrorCode.MISSING_DEPENDENCY, ErrorCode.MISSING_PEER_DEPENDENCY, ErrorCode.QUALIFIED_PATH_RESOLUTION_FAILED, ErrorCode.UNDECLARED_DEPENDENCY]);
/**
 * Simple helper function that assign an error code to an error, so that it can more easily be caught and used
 * by third-parties.
 */

function internalTools_makeError(pnpCode, message, data = {}) {
  const code = MODULE_NOT_FOUND_ERRORS.has(pnpCode) ? `MODULE_NOT_FOUND` : pnpCode;
  const propertySpec = {
    configurable: true,
    writable: true,
    enumerable: false
  };
  return Object.defineProperties(new Error(message), {
    code: { ...propertySpec,
      value: code
    },
    pnpCode: { ...propertySpec,
      value: pnpCode
    },
    data: { ...propertySpec,
      value: data
    }
  });
}
/**
 * Returns the module that should be used to resolve require calls. It's usually the direct parent, except if we're
 * inside an eval expression.
 */

function getIssuerModule(parent) {
  let issuer = parent;

  while (issuer && (issuer.id === `[eval]` || issuer.id === `<repl>` || !issuer.filename)) issuer = issuer.parent;

  return issuer || null;
}
function getPathForDisplay(p) {
  return npath.normalize(npath.fromPortablePath(p));
}
;// CONCATENATED MODULE: ./sources/loader/nodeUtils.ts


 // @ts-expect-error

const builtinModules = new Set(external_module_.Module.builtinModules || Object.keys(process.binding(`natives`)));
const isBuiltinModule = request => request.startsWith(`node:`) || builtinModules.has(request); // https://github.com/nodejs/node/blob/e817ba70f56c4bfd5d4a68dce8b165142312e7b6/lib/internal/modules/run_main.js#L11-L24

function resolveMainPath(main) {
  let mainPath = external_module_.Module._findPath(npath.resolve(main), null, true);

  if (!mainPath) return false; // const preserveSymlinksMain = getOptionValue(`--preserve-symlinks-main`);
  // if (!preserveSymlinksMain)

  mainPath = external_fs_default().realpathSync(mainPath);
  return mainPath;
} // https://github.com/nodejs/node/blob/e817ba70f56c4bfd5d4a68dce8b165142312e7b6/lib/internal/modules/run_main.js#L26-L41

function shouldUseESMLoader(mainPath) {
  // const userLoader = getOptionValue(`--experimental-loader`);
  // if (userLoader)
  //   return true;
  // const esModuleSpecifierResolution =
  //   getOptionValue(`--experimental-specifier-resolution`);
  // if (esModuleSpecifierResolution === `node`)
  //   return true;
  // Determine the module format of the main
  if (mainPath && mainPath.endsWith(`.mjs`)) return true;
  if (!mainPath || mainPath.endsWith(`.cjs`)) return false;
  const pkg = readPackageScope(mainPath);
  return pkg && pkg.data.type === `module`;
} // https://github.com/nodejs/node/blob/e817ba70f56c4bfd5d4a68dce8b165142312e7b6/lib/internal/modules/cjs/loader.js#L315-L330

function readPackageScope(checkPath) {
  const rootSeparatorIndex = checkPath.indexOf(npath.sep);
  let separatorIndex;

  do {
    separatorIndex = checkPath.lastIndexOf(npath.sep);
    checkPath = checkPath.slice(0, separatorIndex);
    if (checkPath.endsWith(`${npath.sep}node_modules`)) return false;
    const pjson = readPackage(checkPath + npath.sep);

    if (pjson) {
      return {
        data: pjson,
        path: checkPath
      };
    }
  } while (separatorIndex > rootSeparatorIndex);

  return false;
} // https://github.com/nodejs/node/blob/e817ba70f56c4bfd5d4a68dce8b165142312e7b6/lib/internal/modules/cjs/loader.js#L284-L313

function readPackage(requestPath) {
  const jsonPath = npath.resolve(requestPath, `package.json`);
  if (!external_fs_default().existsSync(jsonPath)) return null;
  return JSON.parse(external_fs_default().readFileSync(jsonPath, `utf8`));
}
;// CONCATENATED MODULE: ./sources/loader/applyPatch.ts






function applyPatch(pnpapi, opts) {
  /**
   * The cache that will be used for all accesses occurring outside of a PnP context.
   */
  const defaultCache = {};
  /**
   * Used to disable the resolution hooks (for when we want to fallback to the previous resolution - we then need
   * a way to "reset" the environment temporarily)
   */

  let enableNativeHooks = true; // @ts-expect-error

  process.versions.pnp = String(pnpapi.VERSIONS.std);

  const moduleExports = __webpack_require__(282);

  moduleExports.findPnpApi = lookupSource => {
    const lookupPath = lookupSource instanceof external_url_namespaceObject.URL ? (0,external_url_namespaceObject.fileURLToPath)(lookupSource) : lookupSource;
    const apiPath = opts.manager.findApiPathFor(lookupPath);
    if (apiPath === null) return null;
    const apiEntry = opts.manager.getApiEntry(apiPath, true); // Check if the path is ignored

    return apiEntry.instance.findPackageLocator(lookupPath) ? apiEntry.instance : null;
  };

  function getRequireStack(parent) {
    const requireStack = [];

    for (let cursor = parent; cursor; cursor = cursor.parent) requireStack.push(cursor.filename || cursor.id);

    return requireStack;
  } // A small note: we don't replace the cache here (and instead use the native one). This is an effort to not
  // break code similar to "delete require.cache[require.resolve(FOO)]", where FOO is a package located outside
  // of the Yarn dependency tree. In this case, we defer the load to the native loader. If we were to replace the
  // cache by our own, the native loader would populate its own cache, which wouldn't be exposed anymore, so the
  // delete call would be broken.


  const originalModuleLoad = external_module_.Module._load;

  external_module_.Module._load = function (request, parent, isMain) {
    if (!enableNativeHooks) return originalModuleLoad.call(external_module_.Module, request, parent, isMain); // Builtins are managed by the regular Node loader

    if (isBuiltinModule(request)) {
      try {
        enableNativeHooks = false;
        return originalModuleLoad.call(external_module_.Module, request, parent, isMain);
      } finally {
        enableNativeHooks = true;
      }
    }

    const parentApiPath = opts.manager.getApiPathFromParent(parent);
    const parentApi = parentApiPath !== null ? opts.manager.getApiEntry(parentApiPath, true).instance : null; // Requests that aren't covered by the PnP runtime goes through the
    // parent `_load` implementation. This is required for VSCode, for example,
    // which override `_load` to provide additional builtins to its extensions.

    if (parentApi === null) return originalModuleLoad(request, parent, isMain); // The 'pnpapi' name is reserved to return the PnP api currently in use
    // by the program

    if (request === `pnpapi`) return parentApi; // Request `Module._resolveFilename` (ie. `resolveRequest`) to tell us
    // which file we should load

    const modulePath = external_module_.Module._resolveFilename(request, parent, isMain); // We check whether the module is owned by the dependency tree of the
    // module that required it. If it isn't, then we need to create a new
    // store and possibly load its sandboxed PnP runtime.


    const isOwnedByRuntime = parentApi !== null ? parentApi.findPackageLocator(modulePath) !== null : false;
    const moduleApiPath = isOwnedByRuntime ? parentApiPath : opts.manager.findApiPathFor(npath.dirname(modulePath));
    const entry = moduleApiPath !== null ? opts.manager.getApiEntry(moduleApiPath) : {
      instance: null,
      cache: defaultCache
    }; // Check if the module has already been created for the given file

    const cacheEntry = entry.cache[modulePath];

    if (cacheEntry) {
      // When a dynamic import is used in CJS files Node adds the module
      // to the cache but doesn't load it so we do it here.
      //
      // Keep track of and check if the module is already loading to
      // handle circular requires.
      //
      // The explicit checks are required since `@babel/register` et al.
      // create modules without the `loaded` and `load` properties
      if (cacheEntry.loaded === false && cacheEntry.isLoading !== true) {
        try {
          cacheEntry.isLoading = true;
          cacheEntry.load(modulePath);
        } finally {
          cacheEntry.isLoading = false;
        }
      }

      return cacheEntry.exports;
    } // Create a new module and store it into the cache


    const module = new external_module_.Module(modulePath, parent !== null && parent !== void 0 ? parent : undefined);
    module.pnpApiPath = moduleApiPath;
    entry.cache[modulePath] = module; // The main module is exposed as global variable

    if (isMain) {
      process.mainModule = module;
      module.id = `.`;
    } // Try to load the module, and remove it from the cache if it fails


    let hasThrown = true;

    try {
      module.isLoading = true;
      module.load(modulePath);
      hasThrown = false;
    } finally {
      module.isLoading = false;

      if (hasThrown) {
        delete external_module_.Module._cache[modulePath];
      }
    }

    return module.exports;
  };

  function getIssuerSpecsFromPaths(paths) {
    return paths.map(path => ({
      apiPath: opts.manager.findApiPathFor(path),
      path,
      module: null
    }));
  }

  function getIssuerSpecsFromModule(module) {
    var _a;

    if (module && module.id !== `<repl>` && module.id !== `internal/preload` && !module.parent && !module.filename && module.paths.length > 0) {
      return [{
        apiPath: opts.manager.findApiPathFor(module.paths[0]),
        path: module.paths[0],
        module
      }];
    }

    const issuer = getIssuerModule(module);

    if (issuer !== null) {
      const path = npath.dirname(issuer.filename);
      const apiPath = opts.manager.getApiPathFromParent(issuer);
      return [{
        apiPath,
        path,
        module
      }];
    } else {
      const path = process.cwd();
      const apiPath = (_a = opts.manager.findApiPathFor(npath.join(path, `[file]`))) !== null && _a !== void 0 ? _a : opts.manager.getApiPathFromParent(null);
      return [{
        apiPath,
        path,
        module
      }];
    }
  }

  function makeFakeParent(path) {
    const fakeParent = new external_module_.Module(``);
    const fakeFilePath = npath.join(path, `[file]`);
    fakeParent.paths = external_module_.Module._nodeModulePaths(fakeFilePath);
    return fakeParent;
  } // Splits a require request into its components, or return null if the request is a file path


  const pathRegExp = /^(?![a-zA-Z]:[\\/]|\\\\|\.{0,2}(?:\/|$))((?:@[^/]+\/)?[^/]+)\/*(.*|)$/;
  const originalModuleResolveFilename = external_module_.Module._resolveFilename;

  external_module_.Module._resolveFilename = function (request, parent, isMain, options) {
    if (isBuiltinModule(request)) return request;
    if (!enableNativeHooks) return originalModuleResolveFilename.call(external_module_.Module, request, parent, isMain, options);

    if (options && options.plugnplay === false) {
      const {
        plugnplay,
        ...rest
      } = options; // Workaround a bug present in some version of Node (now fixed)
      // https://github.com/nodejs/node/pull/28078

      const forwardedOptions = Object.keys(rest).length > 0 ? rest : undefined;

      try {
        enableNativeHooks = false;
        return originalModuleResolveFilename.call(external_module_.Module, request, parent, isMain, forwardedOptions);
      } finally {
        enableNativeHooks = true;
      }
    } // We check that all the options present here are supported; better
    // to fail fast than to introduce subtle bugs in the runtime.


    if (options) {
      const optionNames = new Set(Object.keys(options));
      optionNames.delete(`paths`);
      optionNames.delete(`plugnplay`);

      if (optionNames.size > 0) {
        throw internalTools_makeError(ErrorCode.UNSUPPORTED, `Some options passed to require() aren't supported by PnP yet (${Array.from(optionNames).join(`, `)})`);
      }
    }

    const issuerSpecs = options && options.paths ? getIssuerSpecsFromPaths(options.paths) : getIssuerSpecsFromModule(parent);

    if (request.match(pathRegExp) === null) {
      const parentDirectory = (parent === null || parent === void 0 ? void 0 : parent.filename) != null ? npath.dirname(parent.filename) : null;
      const absoluteRequest = npath.isAbsolute(request) ? request : parentDirectory !== null ? npath.resolve(parentDirectory, request) : null;

      if (absoluteRequest !== null) {
        const apiPath = parentDirectory === npath.dirname(absoluteRequest) && (parent === null || parent === void 0 ? void 0 : parent.pnpApiPath) ? parent.pnpApiPath : opts.manager.findApiPathFor(absoluteRequest);

        if (apiPath !== null) {
          issuerSpecs.unshift({
            apiPath,
            path: parentDirectory,
            module: null
          });
        }
      }
    }

    let firstError;

    for (const {
      apiPath,
      path,
      module
    } of issuerSpecs) {
      let resolution;
      const issuerApi = apiPath !== null ? opts.manager.getApiEntry(apiPath, true).instance : null;

      try {
        if (issuerApi !== null) {
          resolution = issuerApi.resolveRequest(request, path !== null ? `${path}/` : null);
        } else {
          if (path === null) throw new Error(`Assertion failed: Expected the path to be set`);
          resolution = originalModuleResolveFilename.call(external_module_.Module, request, module || makeFakeParent(path), isMain);
        }
      } catch (error) {
        firstError = firstError || error;
        continue;
      }

      if (resolution !== null) {
        return resolution;
      }
    }

    const requireStack = getRequireStack(parent);
    Object.defineProperty(firstError, `requireStack`, {
      configurable: true,
      writable: true,
      enumerable: false,
      value: requireStack
    });
    if (requireStack.length > 0) firstError.message += `\nRequire stack:\n- ${requireStack.join(`\n- `)}`;
    if (typeof firstError.pnpCode === `string`) Error.captureStackTrace(firstError);
    throw firstError;
  };

  const originalFindPath = external_module_.Module._findPath;

  external_module_.Module._findPath = function (request, paths, isMain) {
    if (request === `pnpapi`) return false;
    if (!enableNativeHooks) return originalFindPath.call(external_module_.Module, request, paths, isMain); // https://github.com/nodejs/node/blob/e817ba70f56c4bfd5d4a68dce8b165142312e7b6/lib/internal/modules/cjs/loader.js#L490-L494

    const isAbsolute = npath.isAbsolute(request);
    if (isAbsolute) paths = [``];else if (!paths || paths.length === 0) return false;

    for (const path of paths) {
      let resolution;

      try {
        const pnpApiPath = opts.manager.findApiPathFor(isAbsolute ? request : path);

        if (pnpApiPath !== null) {
          const api = opts.manager.getApiEntry(pnpApiPath, true).instance;
          resolution = api.resolveRequest(request, path) || false;
        } else {
          resolution = originalFindPath.call(external_module_.Module, request, [path], isMain);
        }
      } catch (error) {
        continue;
      }

      if (resolution) {
        return resolution;
      }
    }

    return false;
  }; // Specifying the `--experimental-loader` flag makes Node enter ESM mode so we change it to not do that
  // https://github.com/nodejs/node/blob/e817ba70f56c4bfd5d4a68dce8b165142312e7b6/lib/internal/modules/run_main.js#L72-L81
  // Tested by https://github.com/yarnpkg/berry/blob/d80ee2dc5298d31eb864288d77671a2264713371/packages/acceptance-tests/pkg-tests-specs/sources/pnp-esm.test.ts#L226-L244
  // Upstream issue https://github.com/nodejs/node/issues/33226


  const originalRunMain = moduleExports.runMain;

  moduleExports.runMain = function (main = process.argv[1]) {
    const resolvedMain = resolveMainPath(main);
    const useESMLoader = resolvedMain ? shouldUseESMLoader(resolvedMain) : false;

    if (useESMLoader) {
      originalRunMain(main);
    } else {
      external_module_.Module._load(main, null, true);
    }
  };

  patchFs((external_fs_default()), new PosixFS(opts.fakeFs));
}
;// CONCATENATED MODULE: ./sources/loader/hydrateRuntimeState.ts

function hydrateRuntimeState(data, {
  basePath
}) {
  const portablePath = npath.toPortablePath(basePath);
  const absolutePortablePath = ppath.resolve(portablePath);
  const ignorePattern = data.ignorePatternData !== null ? new RegExp(data.ignorePatternData) : null;
  const packageLocatorsByLocations = new Map();
  const packageRegistry = new Map(data.packageRegistryData.map(([packageName, packageStoreData]) => {
    return [packageName, new Map(packageStoreData.map(([packageReference, packageInformationData]) => {
      var _a;

      if (packageName === null !== (packageReference === null)) throw new Error(`Assertion failed: The name and reference should be null, or neither should`);
      const discardFromLookup = (_a = packageInformationData.discardFromLookup) !== null && _a !== void 0 ? _a : false; // @ts-expect-error: TypeScript isn't smart enough to understand the type assertion

      const packageLocator = {
        name: packageName,
        reference: packageReference
      };
      const entry = packageLocatorsByLocations.get(packageInformationData.packageLocation);

      if (!entry) {
        packageLocatorsByLocations.set(packageInformationData.packageLocation, {
          locator: packageLocator,
          discardFromLookup
        });
      } else {
        entry.discardFromLookup = entry.discardFromLookup && discardFromLookup;

        if (!discardFromLookup) {
          entry.locator = packageLocator;
        }
      }

      let resolvedPackageLocation = null;
      return [packageReference, {
        packageDependencies: new Map(packageInformationData.packageDependencies),
        packagePeers: new Set(packageInformationData.packagePeers),
        linkType: packageInformationData.linkType,
        discardFromLookup,

        // we only need this for packages that are used by the currently running script
        // this is a lazy getter because `ppath.join` has some overhead
        get packageLocation() {
          // We use ppath.join instead of ppath.resolve because:
          // 1) packageInformationData.packageLocation is a relative path when part of the SerializedState
          // 2) ppath.join preserves trailing slashes
          return resolvedPackageLocation || (resolvedPackageLocation = ppath.join(absolutePortablePath, packageInformationData.packageLocation));
        }

      }];
    }))];
  }));
  const fallbackExclusionList = new Map(data.fallbackExclusionList.map(([packageName, packageReferences]) => {
    return [packageName, new Set(packageReferences)];
  }));
  const fallbackPool = new Map(data.fallbackPool);
  const dependencyTreeRoots = data.dependencyTreeRoots;
  const enableTopLevelFallback = data.enableTopLevelFallback;
  return {
    basePath: portablePath,
    dependencyTreeRoots,
    enableTopLevelFallback,
    fallbackExclusionList,
    fallbackPool,
    ignorePattern,
    packageLocatorsByLocations,
    packageRegistry
  };
}
;// CONCATENATED MODULE: ../../.yarn/cache/resolve.exports-npm-1.1.0-81756e03ba-52865af8ed.zip/node_modules/resolve.exports/dist/index.mjs
/**
 * @param {object} exports
 * @param {Set<string>} keys
 */
function loop(exports, keys) {
	if (typeof exports === 'string') {
		return exports;
	}

	if (exports) {
		let idx, tmp;
		if (Array.isArray(exports)) {
			for (idx=0; idx < exports.length; idx++) {
				if (tmp = loop(exports[idx], keys)) return tmp;
			}
		} else {
			for (idx in exports) {
				if (keys.has(idx)) {
					return loop(exports[idx], keys);
				}
			}
		}
	}
}

/**
 * @param {string} name The package name
 * @param {string} entry The target entry, eg "."
 * @param {number} [condition] Unmatched condition?
 */
function bail(name, entry, condition) {
	throw new Error(
		condition
		? `No known conditions for "${entry}" entry in "${name}" package`
		: `Missing "${entry}" export in "${name}" package`
	);
}

/**
 * @param {string} name the package name
 * @param {string} entry the target path/import
 */
function toName(name, entry) {
	return entry === name ? '.'
		: entry[0] === '.' ? entry
		: entry.replace(new RegExp('^' + name + '\/'), './');
}

/**
 * @param {object} pkg package.json contents
 * @param {string} [entry] entry name or import path
 * @param {object} [options]
 * @param {boolean} [options.browser]
 * @param {boolean} [options.require]
 * @param {string[]} [options.conditions]
 * @param {boolean} [options.unsafe]
 */
function resolve(pkg, entry='.', options={}) {
	let { name, exports } = pkg;

	if (exports) {
		let { browser, require, unsafe, conditions=[] } = options;

		let target = toName(name, entry);
		if (target[0] !== '.') target = './' + target;

		if (typeof exports === 'string') {
			return target === '.' ? exports : bail(name, target);
		}

		let allows = new Set(['default', ...conditions]);
		unsafe || allows.add(require ? 'require' : 'import');
		unsafe || allows.add(browser ? 'browser' : 'node');

		let key, tmp, isSingle=false;

		for (key in exports) {
			isSingle = key[0] !== '.';
			break;
		}

		if (isSingle) {
			return target === '.'
				? loop(exports, allows) || bail(name, target, 1)
				: bail(name, target);
		}

		if (tmp = exports[target]) {
			return loop(tmp, allows) || bail(name, target, 1);
		}

		for (key in exports) {
			tmp = key[key.length - 1];
			if (tmp === '/' && target.startsWith(key)) {
				return (tmp = loop(exports[key], allows))
					? (tmp + target.substring(key.length))
					: bail(name, target, 1);
			}
			if (tmp === '*' && target.startsWith(key.slice(0, -1))) {
				// do not trigger if no *content* to inject
				if (target.substring(key.length - 1).length > 0) {
					return (tmp = loop(exports[key], allows))
						? tmp.replace('*', target.substring(key.length - 1))
						: bail(name, target, 1);
				}
			}
		}

		return bail(name, target);
	}
}

/**
 * @param {object} pkg
 * @param {object} [options]
 * @param {string|boolean} [options.browser]
 * @param {string[]} [options.fields]
 */
function legacy(pkg, options={}) {
	let i=0, value,
		browser = options.browser,
		fields = options.fields || ['module', 'main'];

	if (browser && !fields.includes('browser')) {
		fields.unshift('browser');
	}

	for (; i < fields.length; i++) {
		if (value = pkg[fields[i]]) {
			if (typeof value == 'string') {
				//
			} else if (typeof value == 'object' && fields[i] == 'browser') {
				if (typeof browser == 'string') {
					value = value[browser=toName(pkg.name, browser)];
					if (value == null) return browser;
				}
			} else {
				continue;
			}

			return typeof value == 'string'
				? ('./' + value.replace(/^\.?\//, ''))
				: value;
		}
	}
}

;// CONCATENATED MODULE: ./sources/loader/makeApi.ts






function makeApi(runtimeState, opts) {
  const alwaysWarnOnFallback = Number(process.env.PNP_ALWAYS_WARN_ON_FALLBACK) > 0;
  const debugLevel = Number(process.env.PNP_DEBUG_LEVEL); // @ts-expect-error

  const builtinModules = new Set(external_module_.Module.builtinModules || Object.keys(process.binding(`natives`)));

  const isBuiltinModule = request => builtinModules.has(request) || request.startsWith(`node:`); // Splits a require request into its components, or return null if the request is a file path


  const pathRegExp = /^(?![a-zA-Z]:[\\/]|\\\\|\.{0,2}(?:\/|$))((?:node:)?(?:@[^/]+\/)?[^/]+)\/*(.*|)$/; // Matches if the path starts with a valid path qualifier (./, ../, /)
  // eslint-disable-next-line no-unused-vars

  const isStrictRegExp = /^(\/|\.{1,2}(\/|$))/; // Matches if the path must point to a directory (ie ends with /)

  const isDirRegExp = /\/$/; // Matches if the path starts with a relative path qualifier (./, ../)

  const isRelativeRegexp = /^\.{0,2}\//; // We only instantiate one of those so that we can use strict-equal comparisons

  const topLevelLocator = {
    name: null,
    reference: null
  }; // Used for compatibility purposes - cf setupCompatibilityLayer

  const fallbackLocators = []; // To avoid emitting the same warning multiple times

  const emittedWarnings = new Set();
  if (runtimeState.enableTopLevelFallback === true) fallbackLocators.push(topLevelLocator);

  if (opts.compatibilityMode !== false) {
    // ESLint currently doesn't have any portable way for shared configs to
    // specify their own plugins that should be used (cf issue #10125). This
    // will likely get fixed at some point but it'll take time, so in the
    // meantime we'll just add additional fallback entries for common shared
    // configs.
    // Similarly, Gatsby generates files within the `public` folder located
    // within the project, but doesn't pre-resolve the `require` calls to use
    // its own dependencies. Meaning that when PnP see a file from the `public`
    // folder making a require, it thinks that your project forgot to list one
    // of your dependencies.
    for (const name of [`react-scripts`, `gatsby`]) {
      const packageStore = runtimeState.packageRegistry.get(name);

      if (packageStore) {
        for (const reference of packageStore.keys()) {
          if (reference === null) {
            throw new Error(`Assertion failed: This reference shouldn't be null`);
          } else {
            fallbackLocators.push({
              name,
              reference
            });
          }
        }
      }
    }
  }
  /**
   * The setup code will be injected here. The tables listed below are guaranteed to be filled after the call to
   * the $$DYNAMICALLY_GENERATED_CODE function.
   */


  const {
    ignorePattern,
    packageRegistry,
    packageLocatorsByLocations
  } = runtimeState;
  /**
   * Allows to print useful logs just be setting a value in the environment
   */

  function makeLogEntry(name, args) {
    return {
      fn: name,
      args,
      error: null,
      result: null
    };
  }

  function trace(entry) {
    var _a, _b, _c, _d, _e, _f;

    const colors = (_c = (_b = (_a = process.stderr) === null || _a === void 0 ? void 0 : _a.hasColors) === null || _b === void 0 ? void 0 : _b.call(_a)) !== null && _c !== void 0 ? _c : process.stdout.isTTY;

    const c = (n, str) => `\u001b[${n}m${str}\u001b[0m`;

    const error = entry.error;
    if (error) console.error(c(`31;1`, `✖ ${(_d = entry.error) === null || _d === void 0 ? void 0 : _d.message.replace(/\n.*/s, ``)}`));else console.error(c(`33;1`, `‼ Resolution`));
    if (entry.args.length > 0) console.error();

    for (const arg of entry.args) console.error(`  ${c(`37;1`, `In ←`)} ${(0,external_util_namespaceObject.inspect)(arg, {
      colors,
      compact: true
    })}`);

    if (entry.result) {
      console.error();
      console.error(`  ${c(`37;1`, `Out →`)} ${(0,external_util_namespaceObject.inspect)(entry.result, {
        colors,
        compact: true
      })}`);
    }

    const stack = (_f = (_e = new Error().stack.match(/(?<=^ +)at.*/gm)) === null || _e === void 0 ? void 0 : _e.slice(2)) !== null && _f !== void 0 ? _f : [];

    if (stack.length > 0) {
      console.error();

      for (const line of stack) {
        console.error(`  ${c(`38;5;244`, line)}`);
      }
    }

    console.error();
  }

  function maybeLog(name, fn) {
    if (opts.allowDebug === false) return fn;

    if (Number.isFinite(debugLevel)) {
      if (debugLevel >= 2) {
        return (...args) => {
          const logEntry = makeLogEntry(name, args);

          try {
            return logEntry.result = fn(...args);
          } catch (error) {
            throw logEntry.error = error;
          } finally {
            trace(logEntry);
          }
        };
      } else if (debugLevel >= 1) {
        return (...args) => {
          try {
            return fn(...args);
          } catch (error) {
            const logEntry = makeLogEntry(name, args);
            logEntry.error = error;
            trace(logEntry);
            throw error;
          }
        };
      }
    }

    return fn;
  }
  /**
   * Returns information about a package in a safe way (will throw if they cannot be retrieved)
   */


  function getPackageInformationSafe(packageLocator) {
    const packageInformation = getPackageInformation(packageLocator);

    if (!packageInformation) {
      throw internalTools_makeError(ErrorCode.INTERNAL, `Couldn't find a matching entry in the dependency tree for the specified parent (this is probably an internal error)`);
    }

    return packageInformation;
  }
  /**
   * Returns whether the specified locator is a dependency tree root (in which case it's part of the project) or not
   */


  function isDependencyTreeRoot(packageLocator) {
    if (packageLocator.name === null) return true;

    for (const dependencyTreeRoot of runtimeState.dependencyTreeRoots) if (dependencyTreeRoot.name === packageLocator.name && dependencyTreeRoot.reference === packageLocator.reference) return true;

    return false;
  }

  const defaultExportsConditions = new Set([`default`, `node`, `require`]);
  /**
   * Implements the node resolution for the "exports" field
   *
   * @returns The remapped path or `null` if the package doesn't have a package.json or an "exports" field
   */

  function applyNodeExportsResolution(unqualifiedPath, conditions = defaultExportsConditions) {
    const locator = findPackageLocator(ppath.join(unqualifiedPath, `internal.js`), {
      resolveIgnored: true,
      includeDiscardFromLookup: true
    });

    if (locator === null) {
      throw internalTools_makeError(ErrorCode.INTERNAL, `The locator that owns the "${unqualifiedPath}" path can't be found inside the dependency tree (this is probably an internal error)`);
    }

    const {
      packageLocation
    } = getPackageInformationSafe(locator);
    const manifestPath = ppath.join(packageLocation, Filename.manifest);
    if (!opts.fakeFs.existsSync(manifestPath)) return null;
    const pkgJson = JSON.parse(opts.fakeFs.readFileSync(manifestPath, `utf8`));
    let subpath = ppath.contains(packageLocation, unqualifiedPath);

    if (subpath === null) {
      throw internalTools_makeError(ErrorCode.INTERNAL, `unqualifiedPath doesn't contain the packageLocation (this is probably an internal error)`);
    }

    if (!isRelativeRegexp.test(subpath)) subpath = `./${subpath}`;
    const resolvedExport = resolve(pkgJson, ppath.normalize(subpath), {
      // TODO: implement support for the --conditions flag
      // Waiting on https://github.com/nodejs/node/issues/36935
      // @ts-expect-error - Type should be Iterable<string>
      conditions,
      unsafe: true
    });
    if (typeof resolvedExport === `string`) return ppath.join(packageLocation, resolvedExport);
    return null;
  }
  /**
   * Implements the node resolution for folder access and extension selection
   */


  function applyNodeExtensionResolution(unqualifiedPath, candidates, {
    extensions
  }) {
    let stat;

    try {
      candidates.push(unqualifiedPath);
      stat = opts.fakeFs.statSync(unqualifiedPath);
    } catch (error) {} // If the file exists and is a file, we can stop right there


    if (stat && !stat.isDirectory()) return opts.fakeFs.realpathSync(unqualifiedPath); // If the file is a directory, we must check if it contains a package.json with a "main" entry

    if (stat && stat.isDirectory()) {
      let pkgJson;

      try {
        pkgJson = JSON.parse(opts.fakeFs.readFileSync(ppath.join(unqualifiedPath, Filename.manifest), `utf8`));
      } catch (error) {}

      let nextUnqualifiedPath;
      if (pkgJson && pkgJson.main) nextUnqualifiedPath = ppath.resolve(unqualifiedPath, pkgJson.main); // If the "main" field changed the path, we start again from this new location

      if (nextUnqualifiedPath && nextUnqualifiedPath !== unqualifiedPath) {
        const resolution = applyNodeExtensionResolution(nextUnqualifiedPath, candidates, {
          extensions
        });

        if (resolution !== null) {
          return resolution;
        }
      }
    } // Otherwise we check if we find a file that match one of the supported extensions


    for (let i = 0, length = extensions.length; i < length; i++) {
      const candidateFile = `${unqualifiedPath}${extensions[i]}`;
      candidates.push(candidateFile);

      if (opts.fakeFs.existsSync(candidateFile)) {
        return candidateFile;
      }
    } // Otherwise, we check if the path is a folder - in such a case, we try to use its index


    if (stat && stat.isDirectory()) {
      for (let i = 0, length = extensions.length; i < length; i++) {
        const candidateFile = ppath.format({
          dir: unqualifiedPath,
          name: `index`,
          ext: extensions[i]
        });
        candidates.push(candidateFile);

        if (opts.fakeFs.existsSync(candidateFile)) {
          return candidateFile;
        }
      }
    } // Otherwise there's nothing else we can do :(


    return null;
  }
  /**
   * This function creates fake modules that can be used with the _resolveFilename function.
   * Ideally it would be nice to be able to avoid this, since it causes useless allocations
   * and cannot be cached efficiently (we recompute the nodeModulePaths every time).
   *
   * Fortunately, this should only affect the fallback, and there hopefully shouldn't have a
   * lot of them.
   */


  function makeFakeModule(path) {
    // @ts-expect-error
    const fakeModule = new external_module_.Module(path, null);
    fakeModule.filename = path;
    fakeModule.paths = external_module_.Module._nodeModulePaths(path);
    return fakeModule;
  }
  /**
   * Forward the resolution to the next resolver (usually the native one)
   */


  function callNativeResolution(request, issuer) {
    if (issuer.endsWith(`/`)) issuer = ppath.join(issuer, `internal.js`); // Since we would need to create a fake module anyway (to call _resolveLookupPath that
    // would give us the paths to give to _resolveFilename), we can as well not use
    // the {paths} option at all, since it internally makes _resolveFilename create another
    // fake module anyway.

    return external_module_.Module._resolveFilename(npath.fromPortablePath(request), makeFakeModule(npath.fromPortablePath(issuer)), false, {
      plugnplay: false
    });
  }
  /**
   *
   */


  function isPathIgnored(path) {
    if (ignorePattern === null) return false;
    const subPath = ppath.contains(runtimeState.basePath, path);
    if (subPath === null) return false;

    if (ignorePattern.test(subPath.replace(/\/$/, ``))) {
      return true;
    } else {
      return false;
    }
  }
  /**
   * This key indicates which version of the standard is implemented by this resolver. The `std` key is the
   * Plug'n'Play standard, and any other key are third-party extensions. Third-party extensions are not allowed
   * to override the standard, and can only offer new methods.
   *
   * If a new version of the Plug'n'Play standard is released and some extensions conflict with newly added
   * functions, they'll just have to fix the conflicts and bump their own version number.
   */


  const VERSIONS = {
    std: 3,
    resolveVirtual: 1,
    getAllLocators: 1
  };
  /**
   * We export a special symbol for easy access to the top level locator.
   */

  const topLevel = topLevelLocator;
  /**
   * Gets the package information for a given locator. Returns null if they cannot be retrieved.
   */

  function getPackageInformation({
    name,
    reference
  }) {
    const packageInformationStore = packageRegistry.get(name);
    if (!packageInformationStore) return null;
    const packageInformation = packageInformationStore.get(reference);
    if (!packageInformation) return null;
    return packageInformation;
  }
  /**
   * Find all packages that depend on the specified one.
   *
   * Note: This is a private function; we expect consumers to implement it
   * themselves. We keep it that way because this implementation isn't
   * optimized at all, since we only need it when printing errors.
   */


  function findPackageDependents({
    name,
    reference
  }) {
    const dependents = [];

    for (const [dependentName, packageInformationStore] of packageRegistry) {
      if (dependentName === null) continue;

      for (const [dependentReference, packageInformation] of packageInformationStore) {
        if (dependentReference === null) continue;
        const dependencyReference = packageInformation.packageDependencies.get(name);
        if (dependencyReference !== reference) continue; // Don't forget that all packages depend on themselves

        if (dependentName === name && dependentReference === reference) continue;
        dependents.push({
          name: dependentName,
          reference: dependentReference
        });
      }
    }

    return dependents;
  }
  /**
   * Find all packages that broke the peer dependency on X, starting from Y.
   *
   * Note: This is a private function; we expect consumers to implement it
   * themselves. We keep it that way because this implementation isn't
   * optimized at all, since we only need it when printing errors.
   */


  function findBrokenPeerDependencies(dependency, initialPackage) {
    const brokenPackages = new Map();
    const alreadyVisited = new Set();

    const traversal = currentPackage => {
      const identifier = JSON.stringify(currentPackage.name);
      if (alreadyVisited.has(identifier)) return;
      alreadyVisited.add(identifier);
      const dependents = findPackageDependents(currentPackage);

      for (const dependent of dependents) {
        const dependentInformation = getPackageInformationSafe(dependent);

        if (dependentInformation.packagePeers.has(dependency)) {
          traversal(dependent);
        } else {
          let brokenSet = brokenPackages.get(dependent.name);
          if (typeof brokenSet === `undefined`) brokenPackages.set(dependent.name, brokenSet = new Set());
          brokenSet.add(dependent.reference);
        }
      }
    };

    traversal(initialPackage);
    const brokenList = [];

    for (const name of [...brokenPackages.keys()].sort()) for (const reference of [...brokenPackages.get(name)].sort()) brokenList.push({
      name,
      reference
    });

    return brokenList;
  }
  /**
   * Finds the package locator that owns the specified path. If none is found, returns null instead.
   */


  function findPackageLocator(location, {
    resolveIgnored = false,
    includeDiscardFromLookup = false
  } = {}) {
    if (isPathIgnored(location) && !resolveIgnored) return null;
    let relativeLocation = ppath.relative(runtimeState.basePath, location);
    if (!relativeLocation.match(isStrictRegExp)) relativeLocation = `./${relativeLocation}`;
    if (!relativeLocation.endsWith(`/`)) relativeLocation = `${relativeLocation}/`;

    do {
      const entry = packageLocatorsByLocations.get(relativeLocation);

      if (typeof entry === `undefined` || entry.discardFromLookup && !includeDiscardFromLookup) {
        relativeLocation = relativeLocation.substring(0, relativeLocation.lastIndexOf(`/`, relativeLocation.length - 2) + 1);
        continue;
      }

      return entry.locator;
    } while (relativeLocation !== ``);

    return null;
  }
  /**
   * Transforms a request (what's typically passed as argument to the require function) into an unqualified path.
   * This path is called "unqualified" because it only changes the package name to the package location on the disk,
   * which means that the end result still cannot be directly accessed (for example, it doesn't try to resolve the
   * file extension, or to resolve directories to their "index.js" content). Use the "resolveUnqualified" function
   * to convert them to fully-qualified paths, or just use "resolveRequest" that do both operations in one go.
   *
   * Note that it is extremely important that the `issuer` path ends with a forward slash if the issuer is to be
   * treated as a folder (ie. "/tmp/foo/" rather than "/tmp/foo" if "foo" is a directory). Otherwise relative
   * imports won't be computed correctly (they'll get resolved relative to "/tmp/" instead of "/tmp/foo/").
   */


  function resolveToUnqualified(request, issuer, {
    considerBuiltins = true
  } = {}) {
    // The 'pnpapi' request is reserved and will always return the path to the PnP file, from everywhere
    if (request === `pnpapi`) return npath.toPortablePath(opts.pnpapiResolution); // Bailout if the request is a native module

    if (considerBuiltins && isBuiltinModule(request)) return null;
    const requestForDisplay = getPathForDisplay(request);
    const issuerForDisplay = issuer && getPathForDisplay(issuer); // We allow disabling the pnp resolution for some subpaths.
    // This is because some projects, often legacy, contain multiple
    // levels of dependencies (ie. a yarn.lock inside a subfolder of
    // a yarn.lock). This is typically solved using workspaces, but
    // not all of them have been converted already.

    if (issuer && isPathIgnored(issuer)) {
      // Absolute paths that seem to belong to a PnP tree are still
      // handled by our runtime even if the issuer isn't. This is
      // because the native Node resolution uses a special version
      // of the `stat` syscall which would otherwise bypass the
      // filesystem layer we require to access the files.
      if (!ppath.isAbsolute(request) || findPackageLocator(request) === null) {
        const result = callNativeResolution(request, issuer);

        if (result === false) {
          throw internalTools_makeError(ErrorCode.BUILTIN_NODE_RESOLUTION_FAILED, `The builtin node resolution algorithm was unable to resolve the requested module (it didn't go through the pnp resolver because the issuer was explicitely ignored by the regexp)\n\nRequire request: "${requestForDisplay}"\nRequired by: ${issuerForDisplay}\n`, {
            request: requestForDisplay,
            issuer: issuerForDisplay
          });
        }

        return npath.toPortablePath(result);
      }
    }

    let unqualifiedPath; // If the request is a relative or absolute path, we just return it normalized

    const dependencyNameMatch = request.match(pathRegExp);

    if (!dependencyNameMatch) {
      if (ppath.isAbsolute(request)) {
        unqualifiedPath = ppath.normalize(request);
      } else {
        if (!issuer) {
          throw internalTools_makeError(ErrorCode.API_ERROR, `The resolveToUnqualified function must be called with a valid issuer when the path isn't a builtin nor absolute`, {
            request: requestForDisplay,
            issuer: issuerForDisplay
          });
        } // We use ppath.join instead of ppath.resolve because:
        // 1) The request is a relative path in this branch
        // 2) ppath.join preserves trailing slashes


        const absoluteIssuer = ppath.resolve(issuer);

        if (issuer.match(isDirRegExp)) {
          unqualifiedPath = ppath.normalize(ppath.join(absoluteIssuer, request));
        } else {
          unqualifiedPath = ppath.normalize(ppath.join(ppath.dirname(absoluteIssuer), request));
        }
      }
    } else {
      // Things are more hairy if it's a package require - we then need to figure out which package is needed, and in
      // particular the exact version for the given location on the dependency tree
      if (!issuer) {
        throw internalTools_makeError(ErrorCode.API_ERROR, `The resolveToUnqualified function must be called with a valid issuer when the path isn't a builtin nor absolute`, {
          request: requestForDisplay,
          issuer: issuerForDisplay
        });
      }

      const [, dependencyName, subPath] = dependencyNameMatch;
      const issuerLocator = findPackageLocator(issuer); // If the issuer file doesn't seem to be owned by a package managed through pnp, then we resort to using the next
      // resolution algorithm in the chain, usually the native Node resolution one

      if (!issuerLocator) {
        const result = callNativeResolution(request, issuer);

        if (result === false) {
          throw internalTools_makeError(ErrorCode.BUILTIN_NODE_RESOLUTION_FAILED, `The builtin node resolution algorithm was unable to resolve the requested module (it didn't go through the pnp resolver because the issuer doesn't seem to be part of the Yarn-managed dependency tree).\n\nRequire path: "${requestForDisplay}"\nRequired by: ${issuerForDisplay}\n`, {
            request: requestForDisplay,
            issuer: issuerForDisplay
          });
        }

        return npath.toPortablePath(result);
      }

      const issuerInformation = getPackageInformationSafe(issuerLocator); // We obtain the dependency reference in regard to the package that request it

      let dependencyReference = issuerInformation.packageDependencies.get(dependencyName);
      let fallbackReference = null; // If we can't find it, we check if we can potentially load it from the packages that have been defined as potential fallbacks.
      // It's a bit of a hack, but it improves compatibility with the existing Node ecosystem. Hopefully we should eventually be able
      // to kill this logic and become stricter once pnp gets enough traction and the affected packages fix themselves.

      if (dependencyReference == null) {
        if (issuerLocator.name !== null) {
          // To allow programs to become gradually stricter, starting from the v2 we enforce that workspaces cannot depend on fallbacks.
          // This works by having a list containing all their locators, and checking when a fallback is required whether it's one of them.
          const exclusionEntry = runtimeState.fallbackExclusionList.get(issuerLocator.name);
          const canUseFallbacks = !exclusionEntry || !exclusionEntry.has(issuerLocator.reference);

          if (canUseFallbacks) {
            for (let t = 0, T = fallbackLocators.length; t < T; ++t) {
              const fallbackInformation = getPackageInformationSafe(fallbackLocators[t]);
              const reference = fallbackInformation.packageDependencies.get(dependencyName);
              if (reference == null) continue;
              if (alwaysWarnOnFallback) fallbackReference = reference;else dependencyReference = reference;
              break;
            }

            if (runtimeState.enableTopLevelFallback) {
              if (dependencyReference == null && fallbackReference === null) {
                const reference = runtimeState.fallbackPool.get(dependencyName);

                if (reference != null) {
                  fallbackReference = reference;
                }
              }
            }
          }
        }
      } // If we can't find the path, and if the package making the request is the top-level, we can offer nicer error messages


      let error = null;

      if (dependencyReference === null) {
        if (isDependencyTreeRoot(issuerLocator)) {
          error = internalTools_makeError(ErrorCode.MISSING_PEER_DEPENDENCY, `Your application tried to access ${dependencyName} (a peer dependency); this isn't allowed as there is no ancestor to satisfy the requirement. Use a devDependency if needed.\n\nRequired package: ${dependencyName}${dependencyName !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerForDisplay}\n`, {
            request: requestForDisplay,
            issuer: issuerForDisplay,
            dependencyName
          });
        } else {
          const brokenAncestors = findBrokenPeerDependencies(dependencyName, issuerLocator);

          if (brokenAncestors.every(ancestor => isDependencyTreeRoot(ancestor))) {
            error = internalTools_makeError(ErrorCode.MISSING_PEER_DEPENDENCY, `${issuerLocator.name} tried to access ${dependencyName} (a peer dependency) but it isn't provided by your application; this makes the require call ambiguous and unsound.\n\nRequired package: ${dependencyName}${dependencyName !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerLocator.name}@${issuerLocator.reference} (via ${issuerForDisplay})\n${brokenAncestors.map(ancestorLocator => `Ancestor breaking the chain: ${ancestorLocator.name}@${ancestorLocator.reference}\n`).join(``)}\n`, {
              request: requestForDisplay,
              issuer: issuerForDisplay,
              issuerLocator: Object.assign({}, issuerLocator),
              dependencyName,
              brokenAncestors
            });
          } else {
            error = internalTools_makeError(ErrorCode.MISSING_PEER_DEPENDENCY, `${issuerLocator.name} tried to access ${dependencyName} (a peer dependency) but it isn't provided by its ancestors; this makes the require call ambiguous and unsound.\n\nRequired package: ${dependencyName}${dependencyName !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerLocator.name}@${issuerLocator.reference} (via ${issuerForDisplay})\n\n${brokenAncestors.map(ancestorLocator => `Ancestor breaking the chain: ${ancestorLocator.name}@${ancestorLocator.reference}\n`).join(``)}\n`, {
              request: requestForDisplay,
              issuer: issuerForDisplay,
              issuerLocator: Object.assign({}, issuerLocator),
              dependencyName,
              brokenAncestors
            });
          }
        }
      } else if (dependencyReference === undefined) {
        if (!considerBuiltins && isBuiltinModule(request)) {
          if (isDependencyTreeRoot(issuerLocator)) {
            error = internalTools_makeError(ErrorCode.UNDECLARED_DEPENDENCY, `Your application tried to access ${dependencyName}. While this module is usually interpreted as a Node builtin, your resolver is running inside a non-Node resolution context where such builtins are ignored. Since ${dependencyName} isn't otherwise declared in your dependencies, this makes the require call ambiguous and unsound.\n\nRequired package: ${dependencyName}${dependencyName !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerForDisplay}\n`, {
              request: requestForDisplay,
              issuer: issuerForDisplay,
              dependencyName
            });
          } else {
            error = internalTools_makeError(ErrorCode.UNDECLARED_DEPENDENCY, `${issuerLocator.name} tried to access ${dependencyName}. While this module is usually interpreted as a Node builtin, your resolver is running inside a non-Node resolution context where such builtins are ignored. Since ${dependencyName} isn't otherwise declared in ${issuerLocator.name}'s dependencies, this makes the require call ambiguous and unsound.\n\nRequired package: ${dependencyName}${dependencyName !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerForDisplay}\n`, {
              request: requestForDisplay,
              issuer: issuerForDisplay,
              issuerLocator: Object.assign({}, issuerLocator),
              dependencyName
            });
          }
        } else {
          if (isDependencyTreeRoot(issuerLocator)) {
            error = internalTools_makeError(ErrorCode.UNDECLARED_DEPENDENCY, `Your application tried to access ${dependencyName}, but it isn't declared in your dependencies; this makes the require call ambiguous and unsound.\n\nRequired package: ${dependencyName}${dependencyName !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerForDisplay}\n`, {
              request: requestForDisplay,
              issuer: issuerForDisplay,
              dependencyName
            });
          } else {
            error = internalTools_makeError(ErrorCode.UNDECLARED_DEPENDENCY, `${issuerLocator.name} tried to access ${dependencyName}, but it isn't declared in its dependencies; this makes the require call ambiguous and unsound.\n\nRequired package: ${dependencyName}${dependencyName !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerLocator.name}@${issuerLocator.reference} (via ${issuerForDisplay})\n`, {
              request: requestForDisplay,
              issuer: issuerForDisplay,
              issuerLocator: Object.assign({}, issuerLocator),
              dependencyName
            });
          }
        }
      }

      if (dependencyReference == null) {
        if (fallbackReference === null || error === null) throw error || new Error(`Assertion failed: Expected an error to have been set`);
        dependencyReference = fallbackReference;
        const message = error.message.replace(/\n.*/g, ``);
        error.message = message;

        if (!emittedWarnings.has(message) && debugLevel !== 0) {
          emittedWarnings.add(message);
          process.emitWarning(error);
        }
      } // We need to check that the package exists on the filesystem, because it might not have been installed


      const dependencyLocator = Array.isArray(dependencyReference) ? {
        name: dependencyReference[0],
        reference: dependencyReference[1]
      } : {
        name: dependencyName,
        reference: dependencyReference
      };
      const dependencyInformation = getPackageInformationSafe(dependencyLocator);

      if (!dependencyInformation.packageLocation) {
        throw internalTools_makeError(ErrorCode.MISSING_DEPENDENCY, `A dependency seems valid but didn't get installed for some reason. This might be caused by a partial install, such as dev vs prod.\n\nRequired package: ${dependencyLocator.name}@${dependencyLocator.reference}${dependencyLocator.name !== requestForDisplay ? ` (via "${requestForDisplay}")` : ``}\nRequired by: ${issuerLocator.name}@${issuerLocator.reference} (via ${issuerForDisplay})\n`, {
          request: requestForDisplay,
          issuer: issuerForDisplay,
          dependencyLocator: Object.assign({}, dependencyLocator)
        });
      } // Now that we know which package we should resolve to, we only have to find out the file location
      // packageLocation is always absolute as it's returned by getPackageInformationSafe


      const dependencyLocation = dependencyInformation.packageLocation;

      if (subPath) {
        // We use ppath.join instead of ppath.resolve because:
        // 1) subPath is always a relative path
        // 2) ppath.join preserves trailing slashes
        unqualifiedPath = ppath.join(dependencyLocation, subPath);
      } else {
        unqualifiedPath = dependencyLocation;
      }
    }

    return ppath.normalize(unqualifiedPath);
  }

  function resolveUnqualifiedExport(request, unqualifiedPath, conditions = defaultExportsConditions) {
    // "exports" only apply when requiring a package, not when requiring via an absolute / relative path
    if (isStrictRegExp.test(request)) return unqualifiedPath;
    const unqualifiedExportPath = applyNodeExportsResolution(unqualifiedPath, conditions);

    if (unqualifiedExportPath) {
      return ppath.normalize(unqualifiedExportPath);
    } else {
      return unqualifiedPath;
    }
  }
  /**
   * Transforms an unqualified path into a qualified path by using the Node resolution algorithm (which automatically
   * appends ".js" / ".json", and transforms directory accesses into "index.js").
   */


  function resolveUnqualified(unqualifiedPath, {
    extensions = Object.keys(external_module_.Module._extensions)
  } = {}) {
    const candidates = [];
    const qualifiedPath = applyNodeExtensionResolution(unqualifiedPath, candidates, {
      extensions
    });

    if (qualifiedPath) {
      return ppath.normalize(qualifiedPath);
    } else {
      const unqualifiedPathForDisplay = getPathForDisplay(unqualifiedPath);
      const containingPackage = findPackageLocator(unqualifiedPath);

      if (containingPackage) {
        const {
          packageLocation
        } = getPackageInformationSafe(containingPackage);

        if (!opts.fakeFs.existsSync(packageLocation)) {
          const errorMessage = packageLocation.includes(`/unplugged/`) ? `Required unplugged package missing from disk. This may happen when switching branches without running installs (unplugged packages must be fully materialized on disk to work).` : `Required package missing from disk. If you keep your packages inside your repository then restarting the Node process may be enough. Otherwise, try to run an install first.`;
          throw internalTools_makeError(ErrorCode.QUALIFIED_PATH_RESOLUTION_FAILED, `${errorMessage}\n\nMissing package: ${containingPackage.name}@${containingPackage.reference}\nExpected package location: ${getPathForDisplay(packageLocation)}\n`, {
            unqualifiedPath: unqualifiedPathForDisplay
          });
        }
      }

      throw internalTools_makeError(ErrorCode.QUALIFIED_PATH_RESOLUTION_FAILED, `Qualified path resolution failed - none of those files can be found on the disk.\n\nSource path: ${unqualifiedPathForDisplay}\n${candidates.map(candidate => `Not found: ${getPathForDisplay(candidate)}\n`).join(``)}`, {
        unqualifiedPath: unqualifiedPathForDisplay
      });
    }
  }
  /**
   * Transforms a request into a fully qualified path.
   *
   * Note that it is extremely important that the `issuer` path ends with a forward slash if the issuer is to be
   * treated as a folder (ie. "/tmp/foo/" rather than "/tmp/foo" if "foo" is a directory). Otherwise relative
   * imports won't be computed correctly (they'll get resolved relative to "/tmp/" instead of "/tmp/foo/").
   */


  function resolveRequest(request, issuer, {
    considerBuiltins,
    extensions,
    conditions
  } = {}) {
    const unqualifiedPath = resolveToUnqualified(request, issuer, {
      considerBuiltins
    }); // If the request is the pnpapi, we can just return the unqualifiedPath
    // without having to apply the exports resolution or the extension resolution
    // (opts.pnpapiResolution is always a full path - makeManager enforces this by stat-ing it)

    if (request === `pnpapi`) return unqualifiedPath;
    if (unqualifiedPath === null) return null;

    const isIssuerIgnored = () => issuer !== null ? isPathIgnored(issuer) : false;

    const remappedPath = (!considerBuiltins || !isBuiltinModule(request)) && !isIssuerIgnored() ? resolveUnqualifiedExport(request, unqualifiedPath, conditions) : unqualifiedPath;

    try {
      return resolveUnqualified(remappedPath, {
        extensions
      });
    } catch (resolutionError) {
      if (resolutionError.pnpCode === `QUALIFIED_PATH_RESOLUTION_FAILED`) Object.assign(resolutionError.data, {
        request: getPathForDisplay(request),
        issuer: issuer && getPathForDisplay(issuer)
      });
      throw resolutionError;
    }
  }

  function resolveVirtual(request) {
    const normalized = ppath.normalize(request);
    const resolved = VirtualFS.resolveVirtual(normalized);
    return resolved !== normalized ? resolved : null;
  }

  return {
    VERSIONS,
    topLevel,
    getLocator: (name, referencish) => {
      if (Array.isArray(referencish)) {
        return {
          name: referencish[0],
          reference: referencish[1]
        };
      } else {
        return {
          name,
          reference: referencish
        };
      }
    },
    getDependencyTreeRoots: () => {
      return [...runtimeState.dependencyTreeRoots];
    },

    getAllLocators() {
      const locators = [];

      for (const [name, entry] of packageRegistry) for (const reference of entry.keys()) if (name !== null && reference !== null) locators.push({
        name,
        reference
      });

      return locators;
    },

    getPackageInformation: locator => {
      const info = getPackageInformation(locator);
      if (info === null) return null;
      const packageLocation = npath.fromPortablePath(info.packageLocation);
      const nativeInfo = { ...info,
        packageLocation
      };
      return nativeInfo;
    },
    findPackageLocator: path => {
      return findPackageLocator(npath.toPortablePath(path));
    },
    resolveToUnqualified: maybeLog(`resolveToUnqualified`, (request, issuer, opts) => {
      const portableIssuer = issuer !== null ? npath.toPortablePath(issuer) : null;
      const resolution = resolveToUnqualified(npath.toPortablePath(request), portableIssuer, opts);
      if (resolution === null) return null;
      return npath.fromPortablePath(resolution);
    }),
    resolveUnqualified: maybeLog(`resolveUnqualified`, (unqualifiedPath, opts) => {
      return npath.fromPortablePath(resolveUnqualified(npath.toPortablePath(unqualifiedPath), opts));
    }),
    resolveRequest: maybeLog(`resolveRequest`, (request, issuer, opts) => {
      const portableIssuer = issuer !== null ? npath.toPortablePath(issuer) : null;
      const resolution = resolveRequest(npath.toPortablePath(request), portableIssuer, opts);
      if (resolution === null) return null;
      return npath.fromPortablePath(resolution);
    }),
    resolveVirtual: maybeLog(`resolveVirtual`, path => {
      const result = resolveVirtual(npath.toPortablePath(path));

      if (result !== null) {
        return npath.fromPortablePath(result);
      } else {
        return null;
      }
    })
  };
}
;// CONCATENATED MODULE: ./sources/loader/makeManager.ts


function makeManager(pnpapi, opts) {
  const initialApiPath = npath.toPortablePath(pnpapi.resolveToUnqualified(`pnpapi`, null));
  const initialApiStats = opts.fakeFs.statSync(npath.toPortablePath(initialApiPath));
  const apiMetadata = new Map([[initialApiPath, {
    cache: external_module_.Module._cache,
    instance: pnpapi,
    stats: initialApiStats,
    lastRefreshCheck: Date.now()
  }]]);

  function loadApiInstance(pnpApiPath) {
    const nativePath = npath.fromPortablePath(pnpApiPath); // @ts-expect-error

    const module = new external_module_.Module(nativePath, null); // @ts-expect-error

    module.load(nativePath);
    return module.exports;
  }

  function refreshApiEntry(pnpApiPath, apiEntry) {
    const timeNow = Date.now();
    if (timeNow - apiEntry.lastRefreshCheck < 500) return;
    apiEntry.lastRefreshCheck = timeNow;
    const stats = opts.fakeFs.statSync(pnpApiPath);

    if (stats.mtime > apiEntry.stats.mtime) {
      process.emitWarning(`[Warning] The runtime detected new informations in a PnP file; reloading the API instance (${npath.fromPortablePath(pnpApiPath)})`);
      apiEntry.stats = stats;
      apiEntry.instance = loadApiInstance(pnpApiPath);
    }
  }

  function getApiEntry(pnpApiPath, refresh = false) {
    let apiEntry = apiMetadata.get(pnpApiPath);

    if (typeof apiEntry !== `undefined`) {
      if (refresh) {
        refreshApiEntry(pnpApiPath, apiEntry);
      }
    } else {
      apiMetadata.set(pnpApiPath, apiEntry = {
        cache: {},
        instance: loadApiInstance(pnpApiPath),
        stats: opts.fakeFs.statSync(pnpApiPath),
        lastRefreshCheck: Date.now()
      });
    }

    return apiEntry;
  }

  const findApiPathCache = new Map();

  function addToCacheAndReturn(start, end, target) {
    if (target !== null) target = VirtualFS.resolveVirtual(target);
    let curr;
    let next = start;

    do {
      curr = next;
      findApiPathCache.set(curr, target);
      next = ppath.dirname(curr);
    } while (curr !== end);

    return target;
  }

  function findApiPathFor(modulePath) {
    let bestCandidate = null;

    for (const [apiPath, apiEntry] of apiMetadata) {
      const locator = apiEntry.instance.findPackageLocator(modulePath);
      if (!locator) continue; // No need to go the slow way when there's a single API

      if (apiMetadata.size === 1) return apiPath;
      const packageInformation = apiEntry.instance.getPackageInformation(locator);
      if (!packageInformation) throw new Error(`Assertion failed: Couldn't get package information for '${modulePath}'`);
      if (!bestCandidate) bestCandidate = {
        packageLocation: packageInformation.packageLocation,
        apiPaths: []
      };

      if (packageInformation.packageLocation === bestCandidate.packageLocation) {
        bestCandidate.apiPaths.push(apiPath);
      } else if (packageInformation.packageLocation.length > bestCandidate.packageLocation.length) {
        bestCandidate = {
          packageLocation: packageInformation.packageLocation,
          apiPaths: [apiPath]
        };
      }
    }

    if (bestCandidate) {
      if (bestCandidate.apiPaths.length === 1) return bestCandidate.apiPaths[0];
      const controlSegment = bestCandidate.apiPaths.map(apiPath => `  ${npath.fromPortablePath(apiPath)}`).join(`\n`);
      throw new Error(`Unable to locate pnpapi, the module '${modulePath}' is controlled by multiple pnpapi instances.\nThis is usually caused by using the global cache (enableGlobalCache: true)\n\nControlled by:\n${controlSegment}\n`);
    }

    const start = ppath.resolve(npath.toPortablePath(modulePath));
    let curr;
    let next = start;

    do {
      curr = next;
      const cached = findApiPathCache.get(curr);
      if (cached !== undefined) return addToCacheAndReturn(start, curr, cached);
      const cjsCandidate = ppath.join(curr, Filename.pnpCjs);
      if (opts.fakeFs.existsSync(cjsCandidate) && opts.fakeFs.statSync(cjsCandidate).isFile()) return addToCacheAndReturn(start, curr, cjsCandidate); // We still support .pnp.js files to improve multi-project compatibility.
      // TODO: Remove support for .pnp.js files after they stop being used.

      const legacyCjsCandidate = ppath.join(curr, Filename.pnpJs);
      if (opts.fakeFs.existsSync(legacyCjsCandidate) && opts.fakeFs.statSync(legacyCjsCandidate).isFile()) return addToCacheAndReturn(start, curr, legacyCjsCandidate);
      next = ppath.dirname(curr);
    } while (curr !== PortablePath.root);

    return addToCacheAndReturn(start, curr, null);
  }

  function getApiPathFromParent(parent) {
    if (parent == null) return initialApiPath;

    if (typeof parent.pnpApiPath === `undefined`) {
      if (parent.filename !== null) {
        return parent.pnpApiPath = findApiPathFor(parent.filename);
      } else {
        return initialApiPath;
      }
    }

    if (parent.pnpApiPath !== null) return parent.pnpApiPath;
    return null;
  }

  return {
    getApiPathFromParent,
    findApiPathFor,
    getApiEntry
  };
}
;// CONCATENATED MODULE: ./sources/loader/_entryPoint.ts








 // We must copy the fs into a local, because otherwise
// 1. we would make the NodeFS instance use the function that we patched (infinite loop)
// 2. Object.create(fs) isn't enough, since it won't prevent the proto from being modified

const localFs = { ...(external_fs_default())
};
const nodeFs = new NodeFS(localFs);
const defaultRuntimeState = $$SETUP_STATE(hydrateRuntimeState);
const defaultPnpapiResolution = __filename; // We create a virtual filesystem that will do three things:
// 1. all requests inside a folder named "__virtual___" will be remapped according the virtual folder rules
// 2. all requests going inside a Zip archive will be handled by the Zip fs implementation
// 3. any remaining request will be forwarded to Node as-is

const defaultFsLayer = new VirtualFS({
  baseFs: new ZipOpenFS({
    baseFs: nodeFs,
    libzip: () => getLibzipSync(),
    maxOpenFiles: 80,
    readOnlyArchives: true
  })
});

class DynamicFS extends ProxiedFS {
  constructor() {
    super(ppath);
    this.baseFs = defaultFsLayer;
  }

  mapToBase(p) {
    return p;
  }

  mapFromBase(p) {
    return p;
  }

}

const dynamicFsLayer = new DynamicFS();
let manager;
const defaultApi = Object.assign(makeApi(defaultRuntimeState, {
  fakeFs: dynamicFsLayer,
  pnpapiResolution: defaultPnpapiResolution
}), {
  /**
   * Can be used to generate a different API than the default one (for example
   * to map it on `/` rather than the local directory path, or to use a
   * different FS layer than the default one).
   */
  makeApi: ({
    basePath = undefined,
    fakeFs = dynamicFsLayer,
    pnpapiResolution = defaultPnpapiResolution,
    ...rest
  }) => {
    const apiRuntimeState = typeof basePath !== `undefined` ? $$SETUP_STATE(hydrateRuntimeState, basePath) : defaultRuntimeState;
    return makeApi(apiRuntimeState, {
      fakeFs,
      pnpapiResolution,
      ...rest
    });
  },

  /**
   * Will inject the specified API into the environment, monkey-patching FS. Is
   * automatically called when the hook is loaded through `--require`.
   */
  setup: api => {
    applyPatch(api || defaultApi, {
      fakeFs: defaultFsLayer,
      manager
    }); // Now that the `fs` module is patched we can swap the `baseFs` to
    // a NodeFS with a live `fs` binding to pick up changes to the `fs`
    // module allowing users to patch it

    dynamicFsLayer.baseFs = new NodeFS((external_fs_default()));
  }
});
manager = makeManager(defaultApi, {
  fakeFs: dynamicFsLayer
}); // eslint-disable-next-line arca/no-default-export

/* harmony default export */ const _entryPoint = (defaultApi);

if (__non_webpack_module__.parent && __non_webpack_module__.parent.id === `internal/preload`) {
  defaultApi.setup();

  if (__non_webpack_module__.filename) {
    // We delete it from the cache in order to support the case where the CLI resolver is invoked from "yarn run"
    // It's annoying because it might cause some issues when the file is multiple times in NODE_OPTIONS, but it shouldn't happen anyway.
    delete (external_module_default())._cache[__non_webpack_module__.filename];
  }
}

if (process.mainModule === __non_webpack_module__) {
  const reportError = (code, message, data) => {
    process.stdout.write(`${JSON.stringify([{
      code,
      message,
      data
    }, null])}\n`);
  };

  const reportSuccess = resolution => {
    process.stdout.write(`${JSON.stringify([null, resolution])}\n`);
  };

  const processResolution = (request, issuer) => {
    try {
      reportSuccess(defaultApi.resolveRequest(request, issuer));
    } catch (error) {
      reportError(error.code, error.message, error.data);
    }
  };

  const processRequest = data => {
    try {
      const [request, issuer] = JSON.parse(data);
      processResolution(request, issuer);
    } catch (error) {
      reportError(`INVALID_JSON`, error.message, error.data);
    }
  };

  if (process.argv.length > 2) {
    if (process.argv.length !== 4) {
      process.stderr.write(`Usage: ${process.argv[0]} ${process.argv[1]} <request> <issuer>\n`);
      process.exitCode = 64;
      /* EX_USAGE */
    } else {
      processResolution(process.argv[2], process.argv[3]);
    }
  } else {
    let buffer = ``;
    const decoder = new (external_string_decoder_default()).StringDecoder();
    process.stdin.on(`data`, chunk => {
      buffer += decoder.write(chunk);

      do {
        const index = buffer.indexOf(`\n`);
        if (index === -1) break;
        const line = buffer.slice(0, index);
        buffer = buffer.slice(index + 1);
        processRequest(line);
      } while (true);
    });
  }
}
})();

__webpack_exports__ = __webpack_exports__.default;
/******/ 	return __webpack_exports__;
/******/ })()
;
});