优化

MrShi

7 天以前 1ab34d6347171b10acf78fcd3d6678eac0483bae

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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));