4.4

linwenling

2023-04-04 ffc438b5d62f0a477a4271da4a9b3fc37bbf5eeb

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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));