make-event

🧩 Make event

Easy pattern to create events with subscriptions

.

Install

npm i make-event

.

Usage

Subscribe to event

const onUpdate = Events.make<number>();

onUpdate((value) => {
  console.log(value);
});

Unsubcsribe from event

const onUpdate = Events.make();

// method 1

const unsubscribe = onUpdate(() => {
});

unsubscribe();

// method 2

const handler = () => {
  console.log(true);
}

onUpdate(handler);

onUpdate.unsubscribe(handler);

Invoke event

const onUpdate = Events.make<number>();

onUpdate.invoke(10);

Remove all handlers

const onUpdate = Events.make();

onUpdate.clear();

.

Example

import { Events } from 'make-event';

class Player {
  public readonly onJump = Events.make<humber>();

  public jump(height: number) {
    this.onJump.invoke(height);
  }
}

// ...

const player = new Player();

player.onJump((height) => {
  console.log('onJump1', height);
});

const unsubscribe = player.onJump((height) => {
  console.log('onJump2', height);
});

unsubscribe();

player.jump(10);