Exposing configurable functions to components

components.clickable-buttons.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  onPrimaryClick: null,
  onSecondaryClick: null,
  
  actions: {
   triggerPrimaryClick() {
     if (this.onPrimaryClick) {
       this.onPrimaryClick();
     }
   },
   triggerSecondaryClick() {
     if (this.onSecondaryClick) {
       this.onSecondaryClick(); 
     }
   }
  },
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions: {
    showAlert() {
      alert('hello');
    },
    consoleLog() {
      console.log('hello');
    },
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{{clickable-buttons
  onPrimaryClick=(action 'showAlert')
  onSecondaryClick=(action 'consoleLog')
}}

templates.components.clickable-buttons.hbs

<button {{action "triggerPrimaryClick"}}>primary action</button>
<button {{action "triggerSecondaryClick"}}>secondary action</button>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}