优化：流媒体同步任务

liusuyi

2024-07-10 016aa105789fca71e86cdbb0d26a181812f200f9

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var nativeFunctionToString = require('./_function-to-string');
var WeakMap = require('./_global').WeakMap;
 
module.exports = typeof WeakMap === 'function' && /native code/.test(nativeFunctionToString.call(WeakMap));