Akhil
28 lines
497 B
JavaScript
28 lines
497 B
JavaScript
'use strict'
|
|
|
|
const { Readable, Writable } = require('readable-stream')
|
|
|
|
var i = 20
|
|
|
|
const rs = Readable({
|
|
read: (size) => {
|
|
setImmediate(function () {
|
|
rs.push(i-- ? Buffer.alloc(size) : null)
|
|
})
|
|
}
|
|
})
|
|
|
|
const ws = Writable({
|
|
write: (chunk, enc, cb) => {
|
|
console.log(ws._writableState.length)
|
|
setTimeout(cb, 1)
|
|
}
|
|
})
|
|
|
|
rs.on('data', (chunk) => {
|
|
const writable = ws.write(chunk)
|
|
if (writable === false) {
|
|
rs.pause()
|
|
ws.once('drain', () => rs.resume())
|
|
}
|
|
}) |