2.0.2 • Public • Published


A message queue using Amazon Simple Queue Service.

npm install sqs

Usage is simple

var sqs = require('sqs');
var queue = sqs({
    region:'us-east-1' // defaults to us-east-1
// push some data to the test queue
queue.push('test', {
}, function () {
    // complete
// pull messages from the test queue
queue.pull('test', function(message, callback) {
    console.log('someone pushed', message);
    callback(); // we are done with this message - pull a new one
                // calling the callback will also delete the message from the queue


var queue = sqs(options)

Create a queue instance. Available options are

  • options.access - Your AWS access key (required)
  • options.secret - Your AWS secret key (required)
  • options.region - The AWS region for the queue. Defaults to us-east-1
  • options.namespace - Prefix all queues with namespace. Defaults to empty string.
  • options.https - If true use https. Defaults to false.
  • options.raw - If true it doesn't parse message's body to JSON. Defaults to false.
  • options.proxy - If set to a URL it will overwrite the default AWS SQS url.

Some of the options can be configured using env vars. See below for more.

queue.push(name, message, [callback])

Push a new message to the queue defined by name. If the queue doesn't exist sqs will create it. Optional callback called once request is completed.

queue.pull(name, [workers=1], onmessage)

Pull messages from the queue defined by name.

The pull flow is as follows:

  1. A message is pulled and is passed to onmessage(message, callback)
  2. You process the message
  3. Call callback when you are done and the message will be deleted from the queue.
  4. Goto 1

If for some reason the callback is not called amazon sqs will re-add the message to the queue after 30s.

Delete a queue.

queue.delete(name, [callback])

Fault tolerance

Both pull and push will retry multiple times if a network error occurs or if amazon sqs is temporary unavailable.

Env config

You can use env variables to configure sqs as well


In your application you can just call an empty constructor

var queue = sqs();

This is very useful if you dont want to hardcode your keys in the application.

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npm i sqs

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