TestQueriablePossibility

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}

{{we-chat testGameId="Kill me" testGameName="sux"}}
<br>
<br>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": true,
    "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"
  }
}

we-chat.component.js

import Ember from 'ember';

const first = (str) => str.charAt(0)
const body = (str) => str.substr(1)
const capitalize = (str) => `${first(str).toUpperCase()}${body(str)}`
const classify = (name) => name.split('-').map(capitalize).join('')
const toAttr = (name) => `test${classify(name)}:data-test-${name}`

export default Ember.Component.extend({
  testQueriableAttrs: ['game-id', 'game-name'],
  init() {
    this.attributeBindings = this.testQueriableAttrs.map(toAttr)
    this._super()
  }
});

we-chat.template.hbs

{{yield}}
hi