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readable-stream-clone

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readable-stream-clone

readable stream cloner

1.0.0
latest
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npmnpm
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Readable Stream Clone

npm install readable-stream-clone

with this utility you can pipe readable stream into multiple writable streams

Node

const fs = require("fs");
const ReadableStreamClone = require("readable-stream-clone");

const readStream = fs.createReadStream('text.txt');

const readStream1 = new ReadableStreamClone(readStream);
const readStream2 = new ReadableStreamClone(readStream);

const writeStream1 = fs.createWriteStream('sample1.txt');
const writeStream2 = fs.createWriteStream('sample2.txt');

readStream1.pipe(writeStream1)
readStream2.pipe(writeStream2)

Typescript

import * as fs from 'fs';
import ReadableStreamClone from 'readable-stream-clone'

const readStream = fs.createReadStream('text.txt');

const readClone1 = new ReadableStreamClone(readStream);
const readClone2 = new ReadableStreamClone(readStream);

const writeStream1 = fs.createWriteStream("text1.txt");
const writeStream2 = fs.createWriteStream("text2.txt");

readClone1.pipe(writeStream1);
readClone2.pipe(writeStream2);

Helper functions

Wait till a writable stream finishes writing

const writeStream = fs.createWriteStream("SomeFile.txt");
await promisifyWriteStream(writeStream);

Wait till all the writable streams finish writing

const writeStream1 = fs.createWriteStream(fileName1);
const writeStream2 = fs.createWriteStream(fileName2);
await promisifyWriteStreams([writeStream1, writeStream2]);

Keywords

readable

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Package last updated on 13 Feb 2024

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U.S. Patent No. 12,346,443 & 12,314,394. Other pending.