import { Subscriber } from '../Subscriber'; | |
export function canReportError(observer) { | |
while (observer) { | |
const { closed, destination, isStopped } = observer; | |
if (closed || isStopped) { | |
return false; | |
} | |
else if (destination && destination instanceof Subscriber) { | |
observer = destination; | |
} | |
else { | |
observer = null; | |
} | |
} | |
return true; | |
} | |
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