discourse/app/assets/javascripts/select-kit/addon/templates/components/multi-select.hbs

{{#unless selectKit.isHidden}}
  {{component selectKit.options.headerComponent
    tabindex=tabindex
    value=value
    selectedContent=selectedContent
    selectKit=selectKit
    id=(concat selectKit.uniqueID "-header")
  }}

  {{#select-kit/select-kit-body selectKit=selectKit id=(concat selectKit.uniqueID "-body")}}
    {{component selectKit.options.filterComponent
      selectKit=selectKit
      id=(concat selectKit.uniqueID "-filter")
    }}

    {{#if selectedContent.length}}
      <div class="selected-content">
        {{#each selectedContent as |item|}}
          {{component selectKit.options.selectedChoiceComponent
            item=item
            selectKit=selectKit
          }}
        {{/each}}
      </div>
    {{/if}}

    {{#if selectKit.isLoading}}
      <span class="is-loading">
        {{#if site}}
          {{loading-spinner size="small"}}
        {{/if}}
      </span>
    {{else}}
      {{#each collections as |collection|}}
        {{component (component-for-collection collection.identifier selectKit)
          collection=collection
          selectKit=selectKit
          value=value
        }}
      {{/each}}

      {{#if selectKit.filter}}
        {{#if selectKit.hasNoContent}}
          <span class="no-content" role="alert">
            {{i18n "select_kit.no_content"}}
          </span>
        {{else}}
          <span class="results-count" role="alert">
            {{i18n "select_kit.results_count" count=mainCollection.length}}
          </span>
        {{/if}}
      {{/if}}
    {{/if}}
  {{/select-kit/select-kit-body}}
{{/unless}}