discourse/app/assets/javascripts/discourse/widgets/toggle-topic-summary.js.es6

import RawHtml from 'discourse/widgets/raw-html';
import { createWidget } from 'discourse/widgets/widget';

createWidget('toggle-summary-description', {
  description(attrs) {
    if (attrs.topicSummaryEnabled) {
      return I18n.t('summary.enabled_description');
    }

    if (attrs.topicWordCount) {
      const readingTime = Math.floor(attrs.topicWordCount / this.siteSettings.read_time_word_count);
      return I18n.t('summary.description_time', { replyCount: attrs.topicReplyCount, readingTime });
    }
    return I18n.t('summary.description', { replyCount: attrs.topicReplyCount });
  },

  html(attrs) {
    // vdom makes putting html in the i18n difficult
    return new RawHtml({ html: `<p>${this.description(attrs)}</p>` });
  }
});

export default createWidget('toggle-topic-summary', {
  tagName: 'section.information.toggle-summary',
  html(attrs) {
    return [ this.attach('toggle-summary-description', attrs),
             this.attach('button', {
               className: 'btn btn-primary',
               label: attrs.topicSummaryEnabled ? 'summary.disable' : 'summary.enable',
               action: 'toggleSummary'
             }) ];
  }
});