Queue

queue is TypeScript library implementing the Queue pattern.

Installation

To start using queue install the npm package:

npm install @xcore24/queue

Basic Usage

import { Queue } from '@xcore24/queue';

const DEFAULT_QUEUE_NAME = 'simple-test-queue'
const queue = new Queue(DEFAULT_QUEUE_NAME)

const message1: Message = {
  id: 1,
  name: 'name-1',
}

const message2: Message = {
  id: 2,
  name: 'name-2',
}

const message3: Message = {
  id: 3,
  name: 'name-3',
  foo: 'foo'
}

const message4 = () => 'test'
const message5 = Buffer.from('test-buffer')

queue.push(message1).push(message2).push(message3).push(message4()).push(message5)
console.log(['MESSAGE_COUNT:BEFORE'], queue.messages.length)
console.log(['ALL_MESSAGE:BEFORE'], queue.messages)

const lastMessage = queue.next()
console.log(['LAST_MESSAGE'], lastMessage)

const messageByIndex = queue.next(1)
console.log(['MESSAGE_BY_INDEX'], messageByIndex)

console.log(['MESSAGE_COUNT:AFTER'], queue.messages.length)
console.log(['ALL_MESSAGE:AFTER'], queue.messages)