0.1.2 • Public • Published

AMQP Client

AMQP Client with reconnection logic to publish and consume RabbitMQ messages

Basic Usage

To publish message

# Initialize our amqp client
var amqpClient = require( 'amqp-client' ).create( "amqp://localhost" );
# start publisher. It opens stable connection to Rabbit MQ.
var publisher = amqpClient.publisher();
# Publish your message to queue jobs. Default exchange is used in the example.
publisher.publish( "", "jobs", "Hello World!" );

Publisher options

publisher.publish( exchange, queue, content, [options] )
  • exchange string.

If empty, we publish message via default AMQP exchange

  • queue string.

Queue, where we want to publish message to

  • content string/object
  • options object.

Optional. You can specify headers via options:

var options = {
 "headers": {
    "msg-header-1": "value1",
    "msg-header-2": "value1"

To consume messages

Note, consumer also creates exchange, queue and binds routes if they are not set.

# Initialize our amqp client
var amqpClient = require( 'amqp-client' ).create( "amqp://localhost" );
# Start worker. As mentioned above it also creates exchange, queue and binds routes if they are not set.
amqpClient.worker( "jobs", {}, function( msg, cb ) {
  console.log( "Got msg", msg.content.toString() );

Worker options

amqpClient.worker( queue, options, handler )
  • queue string

Queue, which we want to listen.

  • options object.

Optional. Set empty {} object if you want to use defaults. It may have the following properties ( parameters ):

  // string. By default is empty (default). Any custom queue may be set.
  "exchange": "", 
  // string. Type of exchange. Available types: direct, topic, headers, fanout
  // If exchange is empty ( default ), exchangeType is ignored
  "exchangeType": "direct", 
  // string/array. Routing Key rules list which should be bind to specified queue. Default: queue's name of worker
  "bindings": null,
  // null/object. Optional. Extends options for assertExchange. Default: { durable: true }
  exchangeOptions: null

Option bindings examples:

  "bindings": "routing.key"
  "bindings": [ "routing.key", "*.key" ]
  "bindings": [
      "pattern": "routing.key",
      "args": {
        "custom-header-1": "value-1",
        "custom-header-2": "value-2"
  • handler function.

Handles every message. Note, the function must return boolean: If message is successfully parsed, it has to return true, in other case, - false (the messaged will be rejected).





npm i amqp-client

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  • maxim.peshkov