@nyteshade/ne-pubsub
v2.1.2
Published
Simple but easy to use publisher/subscriber class
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PubSub Project
Overview
The PubSub project implements a simple yet powerful Publish/Subscribe pattern in JavaScript, enabling efficient and decoupled communication between different parts of your application. It's designed to be lightweight, easy to use, and flexible enough to cover a wide range of use cases.
Features
- Event Management: Efficiently manage event subscriptions and publications.
- Customizable Event Tracking: Option to track event publications.
- Extended Logging and Error Handling: Specialized PubSub instances for logging (
Logs
) and error handling (Errors
). - ES6 Module Support: Written as ES6 modules, making it modern and tree-shakable.
- Test Suite: Includes a comprehensive Jest test suite.
Installation
To install the PubSub library, use npm or yarn:
npm install @nyteshade/ne-pubsub
or
yarn add @nyteshade/ne-pubsub
Usage
Here's a quick example to get you started:
import { PubSub } from '@nyteshade/ne-pubsub';
// Create a PubSub instance
const myPubSub = new PubSub('MyPubSub', ['event1', 'event2']);
// Subscribe to an event
myPubSub.listen('event1', (data) => console.log(`Received: ${data}`));
// Publish an event
myPubSub.publish('event1', 'Hello World!');
API Reference
PubSub
Class
constructor(name, eventNames, [options])
: Initializes a new instance of PubSub.addEvent(eventName, ...subscribers)
: Adds a new event to track.listen(eventName, subscriber, [thisObj], [options])
: Subscribes to an event.unlisten(eventName, subscriber)
: Unsubscribes from an event.publish(eventName, ...args)
: Publishes an event to all subscribers.
Specialized Instances
Logs
: For logging purposes.Errors
: For error handling.
Testing
To run the test suite, use the following command:
npm test
Contributing
Contributions are always welcome! Please follow these steps to contribute:
- Fork the Repository: Create your own fork of the project.
- Create a Feature Branch: Make your changes in a new branch.
- Run Tests: Ensure that all tests pass with your changes.
- Submit a Pull Request: Open a PR with a clear list of what you've done.
Reporting Issues
If you find any bugs or have a feature request, please file an issue in the GitHub issue tracker.
License
This project is licensed under MIT License.