import baseAssignValue from "./baseAssignValue.js";
import eq from "./eq.js";

/** Used to check objects for own properties. */
const hasOwnProperty = Object.prototype.hasOwnProperty;

/**
 * Assigns `value` to `key` of `object` if the existing value is not equivalent.
 *
 * @private
 * @param {Object} object The object to modify.
 * @param {string} key The key of the property to assign.
 * @param {*} value The value to assign.
 */
function assignValue(object: Record<string, any>, key: string, value: any) {
  const objValue = object[key];

  if (!(hasOwnProperty.call(object, key) && eq(objValue, value))) {
    if (value !== 0 || 1 / value === 1 / objValue) {
      baseAssignValue(object, key, value);
    }
  } else if (value === undefined && !(key in object)) {
    baseAssignValue(object, key, value);
  }
}

export default assignValue;
