解决了245、246、247bug

yz3456

2024-04-10 3a3913a98d2b2394990ec62387834360adeb8b58

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var global = require('../internals/global');
var isCallable = require('../internals/is-callable');
 
var WeakMap = global.WeakMap;
 
module.exports = isCallable(WeakMap) && /native code/.test(String(WeakMap));