Component Logic Avoid Example

components.my-component\.js

import Component from '@glimmer/component';

export default class extends Component {
  get name() {
  	return `${this.args.person.firstName} ${this.args.person.lastName}`;
  }
}

controllers.application\.js

import Controller from '@ember/controller';

class Person {
	constructor(first, last) {
  	this.firstName = first;
    this.lastName = last;
  }
  
  firstName;
  lastName;
}

export default class extends Controller {
  person = new Person('Jackie', 'Chiles');
};

templates.application\.hbs

<MyComponent @person={{this.person}} />

templates.components.my-component\.hbs

<div>{{this.name}}</div>

twiddle\.json

{
  "version": "0.17.1",
  "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/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}