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Repository URL to install this package:
|
Version:
1.14.0-17740 ▾
|
brackets
/
opt
/
brackets
/
www
/
extensions
/
default
/
brackets-eslint
/
node_modules
/
es6-weak-map
/
is-weak-map.js
|
|---|
'use strict';
var toStringTagSymbol = require('es6-symbol').toStringTag
, toString = Object.prototype.toString
, id = '[object WeakMap]'
, Global = (typeof WeakMap === 'undefined') ? null : WeakMap;
module.exports = function (x) {
return (x && ((Global && (x instanceof Global)) ||
(toString.call(x) === id) || (x[toStringTagSymbol] === 'WeakMap'))) ||
false;
};