import { Disposable, CompositeDisposable, Emitter } from "event-kit";

declare let bool: boolean;
declare let subscription: Disposable;
declare let subscriptions: CompositeDisposable;
declare let emitter: Emitter;

// NPM Usage Tests ============================================================
class User {
    private readonly emitter: Emitter;
    name: string;

    constructor() {
        this.emitter = new Emitter();
    }

    onDidChangeName(callback: (value: string) => void) {
        return this.emitter.on("did-change-name", callback);
    }

    setName(name: string) {
        if (name !== this.name) {
            this.name = name;
            this.emitter.emit("did-change-name", name);
        }
        return name;
    }

    destroy() {
        this.emitter.dispose();
    }

 setName(name: string) {
     if (name !== this.name) {
         this.name = name;
         this.emitter.emit("did-change-name", name);
     }
     return name;
 }

	destroy(): void {
		this.emitter.dispose();
	}

async function testEmitAsync() {
    await emitter.emitAsync("test-event");
    await emitter.emitAsync("test-event", 42);
}

 destroy() {
     this.emitter.dispose();
 }

 onDidChangeName(callback: (value: string) => void) {
     return this.emitter.on("did-change-name", callback);
 }