Inheritance and Complex Types in Definitions

components.component-five.js

import ComponentOne from './component-one';
import ComponentA from '../mixins/component-a';

export default ComponentOne.extend(ComponentA, {
  type: 'Component Five',
  description: 'Extends Component One and includes Component A. Overrides obj in definition.',
  obj: {
    val: 5
  }
});

components.component-four.js

import ComponentOne from './component-one';
import ComponentA from '../mixins/component-a';

export default ComponentOne.extend(ComponentA, {
  type: 'Component Four',
  description: 'Extends Component One and includes Component A. Doesn\'t override obj in definition.',
});

components.component-one.js

import Ember from 'ember';
import layout from '../templates/components/component-one';

export default Ember.Component.extend({
  layout,
  type: 'Component One',
  description: 'The base component',
  obj: {
    val: 1
  }
});

components.component-six.js

import ComponentOne from './component-one';
import ComponentA from '../mixins/component-a';

export default ComponentOne.extend(ComponentA, {
  type: 'Component Six',
  description: 'Extends Component One. Includes Component A. Handles setting obj correctly in init.',
  init() {
    this._super(...arguments);
    this.obj = {
      val: 6
    };
  }
});

components.component-three.js

import ComponentOne from './component-one';
import ComponentA from '../mixins/component-a';

export default ComponentOne.extend(ComponentA);

components.component-two.js

import ComponentOne from './component-one';

export default ComponentOne.extend({
  type: 'Component Two',
  description: 'Extends component one',
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

mixins.component-a.js

import Mixin from '@ember/object/mixin';

export default Mixin.create({
  type: 'Component A',
  description: 'The mixin description',
  obj: {
    val: 'A'
  }
});

templates.application.hbs

{{component-one}}
{{component-one}}
{{component-two}}
{{component-two}}
{{component-three}}
{{component-three}}
{{component-four}}
{{component-four}}
{{component-five}}
{{component-five}}
{{component-six}}
{{component-six}}

templates.components.component-one.hbs

<div>
  <h2>{{type}}</h2>
  <p>{{description}}</p>
  <p>Value: {{obj.val}}</p>
  <p>{{input value=obj.val}}</p>
</div>

twiddle.json

{
  "version": "0.14.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "2.18.2",
    "ember-template-compiler": "2.18.2",
    "ember-testing": "2.18.2"
  },
  "addons": {
    "ember-data": "2.18.2"
  }
}