wishthis/node_modules/es6-weak-map/is-native-implemented.js
2022-01-21 09:28:41 +01:00

8 lines
273 B
JavaScript

// Exports true if environment provides native `WeakMap` implementation, whatever that is.
"use strict";
module.exports = (function () {
if (typeof WeakMap !== "function") return false;
return Object.prototype.toString.call(new WeakMap()) === "[object WeakMap]";
}());