完善电子文件问题

Tcsm

2023-08-06 b5d842b900757a2fb48d673cb33bb551e8da7b89

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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));