linstrom/frontend-reactive/app/components/util/multiselect.hbs

<div class={{@wrapper-class}}>
  {{#if @readonly}}
    <ul>
      {{#each this.args.elements as |element|}}
        {{#if element.checked}}
          <li>
            <p>{{element.name}}</p>
          </li>
        {{/if}}
      {{/each}}
    </ul>
  {{else}}
    {{#each this.args.elements as |element|}}
      <label class={{@label-class}}>
        {{element.description}}
        <Input
          @type="checkbox"
          name="{{element.name}}"
          class="{{@input-classes}}"
          @checked={{element.checked}}
          {{on "change" this.onChange}}
        />
      </label>
    {{/each}}
  {{/if}}
</div>