修改

yz3456

2024-06-11 d03c0c366862d917bdac6ba9cab8d338e722da10

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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));