moltres-utils/dist/data/arrayLikeKeys.js

Utils for Moltres apps

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _isBuffer = _interopRequireDefault(require("../buffer/isBuffer"));

var _isArguments = _interopRequireDefault(require("./isArguments"));

var _isIndex = _interopRequireDefault(require("./isIndex"));

var _isTypedArray = _interopRequireDefault(require("./isTypedArray"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/** Used to check objects for own properties. */
const hasOwnProperty = Object.prototype.hasOwnProperty;
/**
 * Creates an array of the enumerable property names of the array-like `value`.
 *
 * @param {*} value The value to query.
 * @param {boolean} inherited Specify returning inherited property names.
 * @returns {Array} Returns the array of property names.
 */

const arrayLikeKeys = (value, inherited) => {
  const isArr = Array.isArray(value);
  const isArg = !isArr && (0, _isArguments.default)(value);
  const isBuff = !isArr && !isArg && (0, _isBuffer.default)(value);
  const isType = !isArr && !isArg && !isBuff && (0, _isTypedArray.default)(value);
  const skipIndexes = isArr || isArg || isBuff || isType;
  const length = value.length;
  const result = new Array(skipIndexes ? length : 0);
  let index = skipIndexes ? -1 : length;

  while (++index < length) {
    result[index] = `${index}`;
  }

  for (const key in value) {
    if ((inherited || hasOwnProperty.call(value, key)) && !(skipIndexes && ( // Safari 9 has enumerable `arguments.length` in strict mode.
    key == 'length' || // Node.js 0.10 has enumerable non-index properties on buffers.
    isBuff && (key == 'offset' || key == 'parent') || // PhantomJS 2 has enumerable non-index properties on typed arrays.
    isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset') || // Skip index properties.
    (0, _isIndex.default)(key, length)))) {
      result.push(key);
    }
  }

  return result;
};

var _default = arrayLikeKeys;
exports.default = _default;
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