1

linwenling

2023-06-12 4ba956aeaee7b7ee1b0f7b678632e2eb1f80f37a

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));