UNPKG

@naturalcycles/nodejs-lib

Version:
18 lines (16 loc) 490 B
import { Writable } from 'stream' import { TransformOptions, WritableTyped } from '../stream.model' /** * Will push all results to `arr`, will emit nothing in the end. */ export function writablePushToArray<IN>(arr: IN[], opt: TransformOptions = {}): WritableTyped<IN> { return new Writable({ objectMode: true, ...opt, write(chunk: IN, _, cb) { arr.push(chunk) // callback to signal that we processed input, but not emitting any output cb() }, }) }