优化巡检

‘liusuyi’

2023-06-02 444c6f9820a29b374a6a0a8948614a45786a2ca5

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