datahub/datahub-web/packages/data-portal/app/templates/components/schema-comment.hbs

<button
  class="nacho-button nacho-button--tertiary"
  onclick={{action "showComments"}}
>
  {{fa-icon
    "pencil-alt"
    classNames="pull-right wh-clickable-icon"
  }}
</button>

{{#if isShowingFieldComment}}
  {{#if getComments.last.isRunning}}
    {{#modal-dialog
      overlayClass="notification-overlay"
      containerClassNames=containerClassNames
      onClose=(action "hideComments")
    }}

      {{#comment/comment-stream
        comments=comments
        commentTypes=commentTypes
        updateCommentInStream=(action "handleSchemaComment" SchemaCommentActions.Modify)
        deleteCommentFromStream=(action "handleSchemaComment" SchemaCommentActions.Destroy)
        addCommentToStream=(action "handleSchemaComment" SchemaCommentActions.Add)
      as |stream|
      }}

        {{#stream.header}}
          Comments for <strong>{{schema.fieldName}}</strong>
        {{/stream.header}}

        {{#stream.new}}
          + Add a comment...
        {{/stream.new}}

        {{#each stream.comments as |comment|}}
          {{#stream.item comment=comment}}
            {{comment.html}}
          {{/stream.item}}
        {{/each}}

      {{/comment/comment-stream}}
    {{/modal-dialog}}
  {{else}}
    {{pendulum-ellipsis-animation}}
  {{/if}}
{{/if}}