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Member "Atom/resources/app/apm/node_modules/es6-weak-map/is-implemented.js" (8 Mar 2017, 394 Bytes) of archive /windows/misc/atom-windows.zip:


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    1 'use strict';
    2 
    3 module.exports = function () {
    4     var map;
    5     if (typeof WeakMap !== 'function') return false;
    6     map = new WeakMap();
    7     if (typeof map.set !== 'function') return false;
    8     if (map.set({}, 1) !== map) return false;
    9     if (typeof map.clear !== 'function') return false;
   10     if (typeof map.delete !== 'function') return false;
   11     if (typeof map.has !== 'function') return false;
   12 
   13     return true;
   14 };