优化：流媒体

liusuyi

2024-07-11 b1084891961232e3c697ea9fc52f127cdccffb6b

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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));