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node_modules/core-js/fn/weak-map/from.js 330 Bytes
6a9ffbcc   liuqimichale   地图点击事件
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  'use strict';
  require('../../modules/es6.weak-map');
  require('../../modules/es7.weak-map.from');
  var $WeakMap = require('../../modules/_core').WeakMap;
  var $from = $WeakMap.from;
  module.exports = function from(source, mapFn, thisArg) {
    return $from.call(typeof this === 'function' ? this : $WeakMap, source, mapFn, thisArg);
  };