无人机

‘liusuyi’

2024-01-13 0482596a796d5e591736359e1dbd7e673e9b456a

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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));