优化流媒体

‘liusuyi’

2023-10-21 3f76a7c7ab25e2b37492073dc80bb5f0f0d8f40f

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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));