@savo/queue
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0.1.0 • Public • Published

queue

Just a simple async queue

Installation

npm i @savo/queue

Usage

Basic

const q = new Queue(1)
const task1 = done => setTimeout(_ => {console.log('1'); done()}, 1000)
const task2 = done => setTimeout(_ => {console.log('2'); done()}, 1000)
const task3 = done => setTimeout(_ => {console.log('3'); done()}, 1000)
q.push(task1)
q.push(task2)
q.push(task3)

// console
// 1 - after 1000ms
// 2 - after 2000ms
// 3 - after 3000ms

Concurrency=2

const q = new Queue(2)
const task1 = done => setTimeout(_ => {console.log('1'); done()}, 1000)
const task1 = done => setTimeout(_ => {console.log('2'); done()}, 1000)
const task1 = done => setTimeout(_ => {console.log('3'); done()}, 1000)

// console
// 1 - after 1000ms
// 2 - after 1000ms
// 3 - after 2000ms

AutoStart=false

const q = new Queue(1, false)
const task1 = done => setTimeout(_ => {console.log('1'); done()}, 1000)
const task1 = done => setTimeout(_ => {console.log('2'); done()}, 1000)
const task1 = done => setTimeout(_ => {console.log('3'); done()}, 1000)
// queue wont start until you call q.start()
q.start()

// console
// 1 - after 1000ms
// 2 - after 2000ms
// 3 - after 3000ms

Stop

const q = new Queue(1)
const task1 = done => setTimeout(_ => {console.log('1'); done()}, 1000)
const task1 = done => setTimeout(_ => {console.log('2'); done()}, 1000)
const task1 = done => setTimeout(_ => {console.log('3'); done()}, 1000)
// When you call stop after 1500 ms
q.stop()

// console
// 1 - after 1000ms
// 2 - after 2000ms

API

interface Task {
  (done: Function): void;
}

declare class Queue {
  constructor(concurrency:number, autoStart = true);

  push(task: Task): void;

  start(): void;

  stop(): void;
}

export default Queue

License

MIT

Readme

Keywords

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Install

npm i @savo/queue

Weekly Downloads

0

Version

0.1.0

License

MIT

Unpacked Size

168 kB

Total Files

16

Last publish

Collaborators

  • savokiss