interesting

A cheap/lighweight Publish/Subscribe service

Installation

Install via npm

npm install interesting

Usage

Create Data bus

var eventbus = require("interesting")();
 

Subscribe and Publish

eventbus.subscribe("data-updates",
    function (message) {
    	console.log("called data updates ", message);
    });
 
// called after 5 seconds
setTimeout(function () {
        eventbus.publish("data-updates", ["a lot of data", "whatever"]);
    }, 5000);

API

EventBus.prototype.subscribe(name: String|RegExp, callback: Function): Function

Subscribes a topic to the event bus. Topic name can also accept regular expression for filtering topics.

parameters

• name:String The topic name to subscribe.

• callback:Function The callback to execute when topic published. callback arguments will be the same as 2nd publish parameters up to the last.

returns

• stop:Function returned stop function will unsubscribe to the topic when called.

EventBus.prototype.publish(name: String, ... message: {Mixed}): EventBus

Publishes a topic and notifies all subscriptions that matches the topic.

parameters

• name:String The topic name to publish.

• ... message:Mixed The data/message to publish. They will be used as arguments to subscription callbacks.

returns

• eventbus:EventBus returns the current eventbus instance for chaining method calls.

EventBus.prototype.purge(): EventBus

Removes all subscriptions.

• eventbus:EventBus returns the current eventbus instance for chaining method calls.