| import * as stream from 'stream' | |
| import { Deferred, sleep } from './sleep' | |
| export function Readable(write: number) { | |
| const encoder = new TextEncoder() | |
| const cleanedUp = new Deferred() | |
| const aborted = new Deferred() | |
| let i = 0 | |
| const readable = { | |
| finished: Promise.all([cleanedUp.promise, aborted.promise]).then(() => i), | |
| abort() { | |
| aborted.resolve() | |
| }, | |
| stream: new stream.Readable({ | |
| async read() { | |
| if (i >= write) { | |
| return | |
| } | |
| await sleep(100) | |
| this.push(encoder.encode(String(i++))) | |
| }, | |
| destroy() { | |
| cleanedUp.resolve() | |
| }, | |
| }), | |
| } | |
| return readable | |
| } | |