wallet-core/node_modules/es6-weak-map/valid-weak-map.js
2017-08-14 05:02:09 +02:00

9 lines
170 B
JavaScript

'use strict';
var isWeakMap = require('./is-weak-map');
module.exports = function (x) {
if (!isWeakMap(x)) throw new TypeError(x + " is not a WeakMap");
return x;
};