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ReadStream paused and can't resume, when listened readable event #22032
Description
- Version: 10.7.0
- Platform: Darwin 17.7.0 / Linux 4.10.0
- Subsystem: stream
const Readable=require('stream').Readable;
function testStream(){
return new Readable({
read(size){
this.push(Buffer.alloc(size));
this.push(null);
}
});
}console.log('with readable:');
testStream()
.on('readable',() => console.log('readable'))
.on('data',buf => console.log(buf.length))
;Output:
with readable:
readable
console.log('without readable:');
testStream()
.on('data',buf => console.log(buf.length))
;Output:
without readable:
16384
Activity
lundibundi commentedon Jul 30, 2018
That's by design.
Readable doc
Therefore your stream will not be switched to 'flowing' state for you to receive all data in
dataevent if the stream has at least onereadablelistener. This is somewhat recent change in #18994.Also there is #21696 if it's accepted.
a0000778 commentedon Jul 30, 2018
I missed this change, thank you.