增加手动巡检

liusuyi

2023-05-31 8dcb6801a19f08af6c7baaf6a1b9105c8b4dc58b

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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));