ClickAway

components.click-away\.js

import Component from '@ember/component';
import { bind } from '@ember/runloop';

export default Component.extend({
  classNames: 'click-away',

  init() {
    this._super(...arguments);
    this._handler = bind(this, this.handleClick);
  },

  handleClick(e) {
    if (!this.element.contains(e.target)) {
      this.clickedAway(e);
    }
  },

  didInsertElement() {
    this._super(...arguments);
    document.addEventListener('click', this._handler);
  },

  willDestroyElement() {
    this._super(...arguments);
    document.removeEventListener('click', this._handler);
  },

  keyDown(e) {
    if (e.key === 'Escape') {
      this.clickedAway(e);
    }
  }
});

components.my-modal\.js

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

export default class extends Component {
  @tracked showingModal = false;

  @action
  showModal() {
    this.showingModal = true;
  }

  @action
  didClickAway() {
    this.showingModal = false;
  }
}

controllers.application\.js

import Controller from '@ember/controller';

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

templates.application\.hbs

<MyModal />

templates.components.my-modal\.hbs

{{#if this.showingModal}}
  <ClickAway @clickedAway={{this.didClickAway}}>
    If you click away from this modal, it will close!
  </ClickAway>
{{else}}
  <button type="button" {{on "click" this.showModal}}>
    Click here to show modal.
  </button>
{{/if}}

twiddle\.json

{
  "version": "0.17.0",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.17.0",
    "ember-template-compiler": "3.17.0",
    "ember-testing": "3.17.0"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}