ember-table base

controllers.application\.js

import Controller from '@ember/controller';

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

templates.application\.hbs

<EmberTable as |t|>
  <t.head
    @columns={{array
      (hash name="Name" valuePath="name")
    }}
    as |h|
  >
    <h.row as |r|>
      <r.cell as |column|>
        Custom Header {{column.name}}
      </r.cell>
    </h.row>
  </t.head>

  <t.body
    @rows={{array
      (hash name="Robert")
    }}
    as |b|
  >
    <b.row as |r|>
      <r.cell as |value|>
        Custom Cell {{value}}
      </r.cell>
    </b.row>
  </t.body>
</EmberTable>

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",
    "ember-data": "3.18.0",
    "ember-table": "2.2.3"
  }
}