install npm

This commit is contained in:
2019-01-29 19:33:51 +01:00
parent b9a54b97a7
commit 5eedee288e
8785 changed files with 817030 additions and 0 deletions
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'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;
};