解决了必选项和封面问题

yz3456

2024-05-07 e717167307cd29740484741f553e1f7aa3e36dc2

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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));