是是是

feige

2025-05-21 278cf9604188e81b4c45698ecde6873f5d44b330

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var nativeFunctionToString = require('./_function-to-string');
var WeakMap = require('./_global').WeakMap;
 
module.exports = typeof WeakMap === 'function' && /native code/.test(nativeFunctionToString.call(WeakMap));