srowhani

import Controller from '@ember/controller';
import { action } from '@ember/object';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';

  @action
	onClick (e) { alert('passing this in through ...attributes'); console.log(e); }
}

srowhani

import Component from '@ember/component';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object';

export default class extends Component {
  @tracked count = 0;

	@action increment() { this.count++; }
}

srowhani

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
}

srowhani

import Component from '@glimmer/component';

export default class extends Component {
}

srowhani

import Controller from '@ember/controller';
import { action } from '@ember/object';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';

  @action
  foo (e) {
    // e.preventDefault();
    alert('submitted foo');

srowhani

import Controller from '@ember/controller';
import { addToCount, getCount } from 'twiddle/utils/foo';
import { action } from '@ember/object';
import { tracked } from '@glimmer/tracking';
import { inject } from '@ember/service';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
 
	@inject('foo');

srowhani

import Controller from '@ember/controller';
import { inject } from '@ember/service';

export default class ApplicationController extends Controller {
  @inject('twiddle@bar')
  twiddleBar;
  
  @inject('bar')
  bar;
  

srowhani

import Component from '@glimmer/component';

export default class extends Component {
}

srowhani

import Controller from '@ember/controller';
import { get } from '@ember/object';
import { tracked } from '@glimmer/tracking';

export default class ApplicationController extends Controller {
  @tracked
  isVisible = false;
  appName = 'Ember Twiddle';
  constructor () {
     super(...arguments);

srowhani

import Controller from '@ember/controller';
import { set } from '@ember/object';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
	constructor() {
   	super(...arguments);
    set(this, "foobar.-", 1)
  }
}