修改了很多

feige

2024-01-23 d0136913a2c74a44f5bb30327ebbb3fd85e24fce

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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));