Using EventEmitter3 with Typescript

index.ts

import {EventEmitter} from 'eventemitter3';

interface EventsMap {
  // EventName: Params[]
  hello: [string];
}

class MyClass extends EventEmitter {
  constructor() {
    super();

    this.emit('hello', 'Hello World');
  }
}

const myClassInstance = new MyClass();
myClassInstance.on('hello', console.log);