魅宠

linwenling

2023-07-18 9f703491c7098deda073f9f5014035e973031aa4

1
2
3
4
var nativeFunctionToString = require('./_function-to-string');
var WeakMap = require('./_global').WeakMap;
 
module.exports = typeof WeakMap === 'function' && /native code/.test(nativeFunctionToString.call(WeakMap));