Merge remote-tracking branch 'origin/master'

doum

昨天 2f3221b7c90d5663fdb312653a2d188bc4628370

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'use strict';
var globalThis = require('../internals/global-this');
var isCallable = require('../internals/is-callable');
 
var WeakMap = globalThis.WeakMap;
 
module.exports = isCallable(WeakMap) && /native code/.test(String(WeakMap));