Closed
Description
- Node.js Version: 13.*
- OS: mac
- Scope (install, code, runtime, meta, other?):
- Module (and version) (if relevant):
In case of synchronous pipe removal in _transform, the resume method does not resume as expected
const stream = require('stream')
const fs = require('fs');
const readStream = fs.createReadStream('big.txt')
const writeStream = fs.createWriteStream('result.txt');
const transformStream = new class extends stream.Transform {
_transform(chunk, encoding, callback) {
readStream.unpipe()
readStream.resume()
}
}
readStream.on('end', () => {
console.log('never print')
})
readStream
.pipe(transformStream)
.pipe(writeStream)
Nevertheless, resume operation during an asynchronous call and removal not from the _transform method
Can someone explain this behavior why unpipe () and resume () do not work in the _transform method?