修改：同步流媒体优化

liusuyi

2024-07-30 9cc1e95b63fde336ebf4df413b3d1e79ece375f0

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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));