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rabbitmq-pub-sub-modi

rabbitmq-pub-sub

TypeScript NodeJs Platform

Introduction

A typescript library for producing and consuming rabbitmq messages

If you don't have typings installed:

npm i typings -g

Getting Started

Installation

Install via npm

npm i rabbitmq-pub-sub --save

Example

import {RabbitMqConnectionFactory,RabbitMqConsumer,RabbitMqProducer,IRabbitMqConnectionConfig} from "rabbitmq-pub-sub";
import * as Logger from "bunyan"
 
const logger: Logger = //create logger
interface IMessage{
  data: string;
  value: number;
}
 
// Create connection with amqp connection string
// const factory = new RabbitMqConnectionFactory(logger, "amqp://localhost:1234");
 
// or, create connection with host/port config
const config:IRabbitMqConnectionConfig = {
  host:"localhost",
  port:1234
}
const factory = new RabbitMqConnectionFactory(logger, config);
 
const consumer = new RabbitMqConsumer(logger, factory)
 
consumer.subscribe<IMessage>("<queue name>", m => {
  // message received
  console.log("Message", m.data, m.value)
}).then(disposer => {
  // later, if you want to dispose the subscription
  disposer().then(() => {
    // resolved when consumer subscription disposed
  });
}).catch(err => {
  // failed to create consumer subscription!
});
 
const producer = new RabbitMqProducer(logger, factory)
 
producer.publish<IMessage>("<queue name>", {data: "data", value: 23})
  .then(() => {
    // sent to queue
  }).catch((err) => {
    // failed to enqueue
  })

Consumed Libraries

amqplib

amqp library

Inspiration

Rokot - Rocketmakers