svjs-message-broker

ES6 component to provide a subscriber and publish pattern for in app communication with loose bindung.

It's just a simple message broker and it works.

MessageBroker

- A Subscriber (callback) can subscribe to a message type (topic)
- The MessageBroker can publish asynchronous messages with data to Subscribers

Usage

$3

``javascript
import {MessageBroker} from "./src/svjs-message-broker/MessageBroker.js"

const messageBroker = new MessageBroker()

const testMessage = function testMessage(data) {
this.data = data
}
const subscriber = function(message) {
console.log(message.data)
}

// subscribe to message type/topic 'testMessage'
messageBroker.subscribe(testMessage, subscriber)

// publish a message of type 'testMessage'
messageBroker.publish(new testMessage("Hello"))
`

$3

Unsubscribe a subscriber for a message type
`javascript
messageBroker.unsubscribe(testMessage, subscriber)
`

Unsubscribe all subscribers for a message type
`javascript
messageBroker.unsubscribe(testMessage)
`

Unsubscribe all topic for a subscriber
`javascript
messageBroker.subscribe(null, subscriber)
`

Test

Run Mocha tests with

`bash
npm test
``