{{#each competences as |group|}}
  {{#if @index}}/{{/if}}
  {{#each group.list as |comp|}}
    {{#if @index}}, {{/if}}
      <span class="item" data-item-id="{{comp._id}}">
        <a class="roll-competence">{{comp.name}}</a>
      </span>
    {{/each}}
  {{numberFormat group.niveau decimals=0 sign=true}}
{{/each}}