修改

linwenling

2023-08-15 6b9c521de6d552fe00e7e31076a5e06b7b7b0767

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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));