dd-event
This package has been moved to: https://www.npmjs.com/package/@dadajam4/ev
Simple Class basesd event observer.(With TypeScript type injection)
Usage
Install package
npm install dd-event --save
In your code
import DDEV from 'dd-ev';
const ev = new DDEV();
ev.on('someEvent', e => {
console.log(e);
// ---> 10
// ---> { someKey: 'someValue' }
});
ev.emit('someEvent', 10);
ev.emit('someEvent', { someKey: 'someValue' });
// Extends Class
class SomeClass extends DDEV {}TypeScript
class SomeClass extends DDEV<{event1: string, event2: boolean}> {
constructor() {
super();
this.emit('event1', 5); // ng
this.emit('event1', 'string'); // ok
this.on('event2', event => {
const var1: string = event; // ng
const var2: boolean = event; // ok
});
}
}