drupal/core/modules/toolbar/js/models/ToolbarModel.js

/**
* DO NOT EDIT THIS FILE.
* All changes should be applied to ./modules/toolbar/js/models/ToolbarModel.es6.js
* See the following change record for more information,
* https://www.drupal.org/node/2873849
* @preserve
**/

(function (Backbone, Drupal) {

  'use strict';

  Drupal.toolbar.ToolbarModel = Backbone.Model.extend({
    defaults: {
      activeTab: null,

      activeTray: null,

      isOriented: false,

      isFixed: false,

      areSubtreesLoaded: false,

      isViewportOverflowConstrained: false,

      orientation: 'vertical',

      locked: false,

      isTrayToggleVisible: false,

      height: null,

      offsets: {
        top: 0,
        right: 0,
        bottom: 0,
        left: 0
      }
    },

    validate: function validate(attributes, options) {
      if (attributes.orientation === 'horizontal' && this.get('locked') && !options.override) {
        return Drupal.t('The toolbar cannot be set to a horizontal orientation when it is locked.');
      }
    }
  });
})(Backbone, Drupal);