text: /**
   * Nestable regular panels
   */
  wp.customize.panelConstructor[ 'epsilon-panel-regular' ] = wp.customize.Panel.extend( {
    /**
     * Embed Panel
     */
    _panelEmbed: wp.customize.Panel.prototype.embed,
    /**
     * Check if is contextually active
     */
    _panelIsContextuallyActive: wp.customize.Panel.prototype.isContextuallyActive,
    /**
     * Attach Events
     */
    _panelAttachEvents: wp.customize.Panel.prototype.attachEvents,
    /**
     * Ready event
     */
    ready: function() {
      wp.customize.bind( 'pane-contents-reflowed', function() {
        // Reflow panels
        var panels = [];
  
        wp.customize.panel.each( function( panel ) {
          if ( 'epsilon-panel-regular' !== panel.params.type || 'undefined' === typeof panel.params.panel ) {
            return;
          }
          panels.push( panel );
        } );
  
        panels.sort( wp.customize.utils.prioritySort ).reverse();
  
        jQuery.each( panels, function( i, panel ) {
          var parentContainer = jQuery( '#sub-accordion-panel-' + panel.params.panel );
          parentContainer.children( '.panel-meta' ).after( panel.headContainer );
        } );
  
        jQuery( document ).trigger( 'epsilon-reflown-panels' );
      } );
    },
    /**
     * Attach events
     */
    attachEvents: function() {
      var panel = this;
      if ( 'epsilon-panel-regular' !== this.params.type || 'undefined' === typeof this.params.panel ) {
        this._panelAttachEvents.call( this );
        return;
      }
  
      this._panelAttachEvents.call( this );
  
      panel.expanded.bind( function( expanded ) {
  
        var parent = wp.customize.panel( panel.params.panel );
        if ( expanded ) {
          parent.contentContainer.addClass( 'current-panel-parent' );
        } else {
          parent.contentContainer.removeClass( 'current-panel-parent' );
        }
  
      } );
  
      panel.container.find( '.customize-panel-back' ).off( 'click keydown' ).on( 'click keydown', function( event ) {
        if ( wp.customize.utils.isKeydownButNotEnterEvent( event ) ) {
          return;
        }
  
        event.preventDefault();
  
        if ( panel.expanded() ) {
          wp.customize.panel( panel.params.panel ).expand();
        }
  
      } );
    },
    /**
     * Is contextually active
     * @returns {*}
     */
    isContextuallyActive: function() {
      var panel = this,
          children = this._children( 'panel', 'section' ),
          activeCount = 0;
  
      if ( 'epsilon-panel-regular' !== this.params.type ) {
        return this._panelIsContextuallyActive.call( this );
      }
  
      wp.customize.panel.each( function( child ) {
        if ( ! child.params.panel ) {
          return;
        }
  
        if ( child.params.panel !== panel.id ) {
          return;
        }
  
        children.push( child );
      } );
  
      children.sort( wp.customize.utils.prioritySort );
  
      _( children ).each( function( child ) {
        if ( child.active() && child.isContextuallyActive() ) {
          activeCount += 1;
        }
      } );
  
      return ( 0 !== activeCount );
    },
    /**
     * Embed
     */
    embed: function() {
      var panel = this,
          parentContainer = jQuery( '#sub-accordion-panel-' + this.params.panel );
  
      if ( 'epsilon-panel-regular' !== this.params.type || 'undefined' === typeof this.params.panel ) {
        this._panelEmbed.call( this );
        return;
  
      }
  
      this._panelEmbed.call( this );
      parentContainer.append( panel.headContainer );
    },
  } );
  