魅宠

linwenling

2023-05-03 beca7c027b3126ecc534a654cf89be13ade8d854

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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));