text: import Ember from 'ember';
  
  export default Ember.Mixin.create({
    channelIDs: Ember.computed('channel', 'team.channels.[]', function() {
      const channelName = this.get('channel');
      if (!channelName) return [];
      const channel = this.get('team.channels').findBy('name', channelName);
      if (!channel) return [];
      return [channel.get('id')];
    })
  });
  