index.hbs

<nav aria-label="breadcrumb" class="m-2">
   <ol class="breadcrumb">
    {{#each this.nodes as |node|}}
      <li class="breadcrumb-item">
        {{#if (is_equal @hint "left")}}
          {{#if (is_equal node.nodeType "document") }}
            <Document::LinkToLeft @node={{node}} />
          {{else}}
            <Folder::LinkToLeft
              @node={{node}}
              @extranode={{@extranode}} />
          {{/if}}
        {{else}}
          <Folder::LinkToRight
            @node={{@extranode}}
            @extranode={{node}} />
        {{/if}}
      </li>
    {{/each}}
  </ol>
</nav>