discourse/app/assets/javascripts/dialog-holder/addon/components/dialog-holder.hbs

<div
  id="dialog-holder"
  class="dialog-container {{this.dialog.class}}"
  aria-labelledby={{this.dialog.titleElementId}}
  aria-hidden="true"
>
  <div class="dialog-overlay" data-a11y-dialog-hide></div>

  {{#if this.dialog.type}}
    <div class="dialog-content" role="document">
      {{#if this.dialog.title}}
        <div class="dialog-header">
          <h3 id={{this.dialog.titleElementId}}>{{this.dialog.title}}</h3>
          <DButton
            @icon="times"
            @action={{action this.dialog.cancel}}
            @class="btn-flat dialog-close close"
            @title="modal.close"
          />
        </div>
      {{/if}}

      {{#if (or this.dialog.message this.dialog.confirmPhrase)}}
        <div class="dialog-body">
          {{#if this.dialog.message}}
            <p>{{this.dialog.message}}</p>
          {{/if}}
          {{#if this.dialog.confirmPhrase}}
            <TextField
              @value={{this.dialog.confirmPhraseInput}}
              {{on "input" this.dialog.onConfirmPhraseInput}}
              @id="confirm-phrase"
              @autocorrect="off"
              @autocapitalize="off"
            />
          {{/if}}
        </div>
      {{/if}}

      {{#if (notEq this.dialog.type "notice")}}
        <div class="dialog-footer">
          {{#each this.dialog.buttons as |button|}}
            <DButton
              @icon={{button.icon}}
              @class={{button.class}}
              @action={{action "handleButtonAction" button}}
              @translatedLabel={{button.label}}
            />
          {{else}}
            <DButton
              @class={{this.dialog.confirmButtonClass}}
              @disabled={{this.dialog.confirmButtonDisabled}}
              @action={{this.dialog.didConfirmWrapped}}
              @icon={{this.dialog.confirmButtonIcon}}
              @label={{this.dialog.confirmButtonLabel}}
            />
            {{#if this.dialog.shouldDisplayCancel}}
              <DButton
                @class={{this.dialog.cancelButtonClass}}
                @action={{this.dialog.cancel}}
                @label={{this.dialog.cancelButtonLabel}}
              />
            {{/if}}
          {{/each}}
        </div>
      {{/if}}
    </div>
  {{/if}}
</div>