Breaking News: Grepper is joining You.com. Read the official announcement!

stream in node.js

Add Answer

Shirshak Kandel answered on July 21, 2020 Popularity 10/10 Helpfulness 2/10

answer stream in node.js

related nodejs create stream

related nodejs file stream

related streami node js

related nodejs file stream

stream in node.js

Comment

streams is process(read and write) data piece(chunks) without completing the
whole read or write operation, and therefore without keeping all the data in 
memory.
There are four types of streams => readable streams, writable streams, duplex
and transform streams.

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: Grepper

Tags: node.js stream typescript

Link to this answer
Share Copy Link

Contributed on Oct 10 2022

Shirshak Kandel

0 Answers Avg Quality 2/10

Closely Related Answers

nodejs create stream

Comment

const { Readable } = require("stream")

const readable = Readable.from(["input string"])

readable.on("data", (chunk) => {
  console.log(chunk) // will be called once with `"input string"`
})

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jul 21 2020

North Bear

0 Answers Avg Quality 2/10

nodejs file stream

Comment

import { WriteStream, createWriteStream } from 'fs'
import path from 'path'
import { Stream } from 'stream'
import consola from 'consola'

import { ConfigsEnvironment } from '~/configs/config.env'
import { IUser } from '~/interfaces/interface.users'

export const fileStream = (chunk: Buffer, user: IUser): void => {
	const now: Date = new Date()

	const year: number = now.getFullYear()
	const month: string = ('0' + (now.getMonth() + 1)).slice(-2)
	const day: string = ('0' + now.getDate()).slice(-2)
	const hour: string = ('0' + now.getHours()).slice(-2)
	const minute: string = ('0' + now.getMinutes()).slice(-2)
	const second: string = ('0' + now.getSeconds()).slice(-2)
	const milliseconds: number = now.getMilliseconds()

	const fileName: string = `img_web_${user.userId}_${year}${month}${day}_1707${hour}${minute}${second}${milliseconds}.jpg`
	const fileWriteStream: WriteStream = createWriteStream(path.resolve(ConfigsEnvironment.STORAGE_DIR, fileName))

	const fileStream: Stream = new Stream()
	fileStream.pipe<NodeJS.WritableStream> = (dest: NodeJS.WritableStream) => {
		dest.write(chunk)
		return dest
	}
	fileStream
		.pipe(fileWriteStream)
		.on('pipe', () => {
			consola.info('File process to recreate')
		})
		.on('error', (err: Error) => {
			consola.error('File error to recreate')
			Promise.reject(err)
		})
		.on('finish', () => {
			console.info('File finish to recreate')
		})
}

Popularity 8/10 Helpfulness 3/10 Language typescript

Source: Grepper

Tags: file stream st

Link to this answer
Share Copy Link

Contributed on Feb 08 2024

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

streami node js

Comment

const fs = require('fs');
const r = fs.createReadStream('file.txt');
const z = zlib.createGzip();
const w = fs.createWriteStream('file.txt.gz');
r.pipe(z).pipe(w);

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: nodejs.org

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Dec 16 2020

Homely Hamster

0 Answers Avg Quality 2/10

nodejs file stream

Comment

import { Stream } from 'stream'
import { WriteStream, createWriteStream } from 'fs'
import path from 'path'

import { ConfigsEnvironment } from '~/configs/config.env'
import { IUser } from '~/interfaces/interface.users'

export const fileStream = (chunk: Buffer, user: IUser): Promise<string> => {
	return new Promise((resolve: (value: string | PromiseLike<string>) => void, reject: (reason?: any) => void) => {
		const now: Date = new Date()

		const year: number = now.getFullYear()
		const month: string = ('0' + (now.getMonth() + 1)).slice(-2)
		const day: string = ('0' + now.getDate()).slice(-2)
		const hour: string = ('0' + now.getHours()).slice(-2)
		const minute: string = ('0' + now.getMinutes()).slice(-2)
		const second: string = ('0' + now.getSeconds()).slice(-2)
		const milliseconds: number = now.getMilliseconds()

		const fileName: string = `img_web_${user.userId}_${year}${month}${day}_1707${hour}${minute}${second}${milliseconds}.jpg`
		const writeStream: WriteStream = createWriteStream(path.resolve(ConfigsEnvironment.STORAGE_DIR, fileName))

		const stream: Stream = new Stream()
		stream.pipe<NodeJS.WritableStream> = (destination: NodeJS.WritableStream) => {
			destination.write(chunk)
			return destination
		}

		stream.pipe(writeStream).on('error', reject).end()
		writeStream.on('error', reject).end(() => resolve(fileName))
	})
}

Popularity 8/10 Helpfulness 1/10 Language typescript

Source: Grepper

Tags: file stream str

Link to this answer
Share Copy Link

Contributed on Feb 09 2024

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

stream in node.js

Contents

More Related Answers

stream in node.js

Closely Related Answers

nodejs create stream

nodejs file stream

streami node js

nodejs file stream

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.