优化查询

schangxiang@126.com

2025-09-19 9be9c3784b2881a3fa25e93ae2033dc2803c0ed0

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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));