Strongly Typed Events - Simple events

Simple events are a type of event that will provide an argument with data when fired. If you use typescript, you can leverage the support for generics and get strongly typed code.

Need a different type of event? Check out the others.


$3

An example says more than a 1000 words. Imagine if you have events like this on your class:
``typescript
let clock = new Clock("Smu", 1000);

//log the name of the clock and the tick argument to the console - this is an event
clock.onClockTick.subscribe((c, n) =>
console.log(${c.name} ticked ${n} times.)
);
`

$3

So let's look at the implementation from a TypeScript perspective. (Do you program NodeJs without typescript? Check this)

`typescript
import { SimpleEventDispatcher } from "ste-simple-events";

class Clock {
private _onSequenceTick = new SimpleEventDispatcher();
private _ticks: number = 0;

constructor(public name: string, timeout: number) {
setInterval(() => {
this._ticks += 1;
this._onSequenceTick.dispatch(this._ticks);
}, timeout);
}

public get onSequenceTick() {
return this._onSequenceTick.asEvent();
}
}
``

Check the documentation or the examples for more information.

Need more info? Check the repo.

Maintenance

This project is maintained by Kees C. Bakker.