signal-desktop/js/views/group_update_view.js

/* global Backbone, Whisper */

// eslint-disable-next-line func-names
(function() {
  'use strict';

  window.Whisper = window.Whisper || {};

  Whisper.GroupUpdateView = Backbone.View.extend({
    tagName: 'div',
    className: 'group-update',
    render() {
      // TODO l10n
      if (this.model.left) {
        this.$el.text(`${this.model.left} left the group`);
        return this;
      }

      const messages = ['Updated the group.'];
      if (this.model.name) {
        messages.push(`Title is now '${this.model.name}'.`);
      }
      if (this.model.joined) {
        messages.push(`${this.model.joined.join(', ')} joined the group`);
      }

      this.$el.text(messages.join(' '));

      return this;
    },
  });
})();