ts-super-emitter

A lightweight, fully typed event emitter for TypeScript.

Features

• ⚡ Tiny and fast
• 🧠 Fully typed events
• 🔁 once() support
• 🧹 Auto cleanup
• 🔐 Safe (no undefined crashes)

Installation

npm install ts-super-emitter

Usage

import { Emitter } from "ts-super-emitter";

type Events = {
  message: [text: string];
};

const emitter = new Emitter<Events>();

emitter.subscribe("message", (text) => {
  console.log(text);
});

emitter.emit("message", "Hello world");

API

emit(event, ...args)

Trigger an event.

subscribe(event, callback)

Subscribe to an event. Returns unsubscribe function.

once(event, callback)

Listen only once.

unsubscribe(event, callback?)

Remove specific callback or whole event.

clear()

Remove all events.

License

MIT