core-js
Version:
Standard library
10 lines (8 loc) • 343 B
JavaScript
;
require('../../modules/es.weak-map');
require('../../modules/esnext.weak-map.from');
var WeakMap = require('../../internals/path').WeakMap;
var weakMapFrom = WeakMap.from;
module.exports = function from(source, mapFn, thisArg) {
return weakMapFrom.call(typeof this === 'function' ? this : WeakMap, source, mapFn, thisArg);
};