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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Documentation Source: _enqueues/wp/customize/nav-menus.js</title>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/sunlight.default.css">
<link type="text/css" rel="stylesheet" href="styles/site.united.css">
</head>
<body>
<div class="navbar navbar-default navbar-fixed-top ">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand" href="index.html">Documentation</a>
<button class="navbar-toggle" type="button" data-toggle="collapse" data-target="#topNavigation">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div class="navbar-collapse collapse" id="topNavigation">
<ul class="nav navbar-nav">
<li class="dropdown">
<a href="namespaces.list.html" class="dropdown-toggle" data-toggle="dropdown">Namespaces<b class="caret"></b></a>
<ul class="dropdown-menu ">
<li><a href="addComment.html">addComment</a></li><li><a href="commentsBox.html">commentsBox</a></li><li><a href="findPosts.html">findPosts</a></li><li><a href="imageEdit.html">imageEdit</a></li><li><a href="inlineEditPost.html">inlineEditPost</a></li><li><a href="inlineEditTax.html">inlineEditTax</a></li><li><a href="postboxes.html">postboxes</a></li><li><a href="switchEditors.html">switchEditors</a></li><li><a href="wp.html">wp</a></li><li><a href="wp.a11y.html">wp.a11y</a></li><li><a href="wp.api.html">wp.api</a></li><li><a href="wp.api.collections.html">wp.api.collections</a></li><li><a href="wp.api.models.html">wp.api.models</a></li><li><a href="wp.api.utils.html">wp.api.utils</a></li><li><a href="wp.api.views.html">wp.api.views</a></li><li><a href="wp.Backbone.html">wp.Backbone</a></li><li><a href="wp.codeEditor.html">wp.codeEditor</a></li><li><a href="wp.communityEvents.html">wp.communityEvents</a></li><li><a href="wp.customHtmlWidget.html">wp.customHtmlWidget</a></li><li><a href="wp.customize.html">wp.customize</a></li><li><a href="wp.customize.HeaderTool.html">wp.customize.HeaderTool</a></li><li><a href="wp.customize.Menus.html">wp.customize.Menus</a></li><li><a href="wp.customize.navMenusPreview.html">wp.customize.navMenusPreview</a></li><li><a href="wp.customize.selectiveRefresh.html">wp.customize.selectiveRefresh</a></li><li><a href="wp.customize.utils.html">wp.customize.utils</a></li><li><a href="wp.customize.Widgets.html">wp.customize.Widgets</a></li><li><a href="wp.customize.widgetsPreview.html">wp.customize.widgetsPreview</a></li><li><a href="wp.emoji.html">wp.emoji</a></li><li><a href="wp.heartbeat.html">wp.heartbeat</a></li><li><a href="wp.media.html">wp.media</a></li><li><a href="wp.media.audio.html">wp.media.audio</a></li><li><a href="wp.media.controller.html">wp.media.controller</a></li><li><a href="wp.media.editor.html">wp.media.editor</a></li><li><a href="wp.media.editor.send.html">wp.media.editor.send</a></li><li><a href="wp.media.featuredImage.html">wp.media.featuredImage</a></li><li><a href="wp.media.frames.html">wp.media.frames</a></li><li><a href="wp.media.model.html">wp.media.model</a></li><li><a href="wp.media.model.Attachments.filters.html">wp.media.model.Attachments.filters</a></li><li><a href="wp.media.string.html">wp.media.string</a></li><li><a href="wp.media.video.html">wp.media.video</a></li><li><a href="wp.media.view.html">wp.media.view</a></li><li><a href="wp.mediaWidgets.html">wp.mediaWidgets</a></li><li><a href="wp.passwordStrength.html">wp.passwordStrength</a></li><li><a href="wp.textWidgets.html">wp.textWidgets</a></li><li><a href="wp.updates.html">wp.updates</a></li><li><a href="wp.utils.html">wp.utils</a></li><li><a href="wpNavMenu.html">wpNavMenu</a></li>
</ul>
</li>
<li class="dropdown">
<a href="classes.list.html" class="dropdown-toggle" data-toggle="dropdown">Classes<b class="caret"></b></a>
<ul class="dropdown-menu ">
<li><a href="-_.html"></a></li><li><a href="$.widget.wp.pointer.html">$.widget.wp.pointer</a></li><li><a href="$.widget.wp.wpColorPicker.html">$.widget.wp.wpColorPicker</a></li><li><a href="Heading.html">Heading</a></li><li><a href="wp.Backbone.Subviews.html">wp.Backbone.Subviews</a></li><li><a href="wp.BaseHandler.html">wp.BaseHandler</a></li><li><a href="wp.CustomHeader.html">wp.CustomHeader</a></li><li><a href="wp.customHtmlWidgets.CustomHtmlWidgetControl.html">wp.customHtmlWidgets.CustomHtmlWidgetControl</a></li><li><a href="wp.customize.BackgroundControl.html">wp.customize.BackgroundControl</a></li><li><a href="wp.customize.BackgroundPositionControl.html">wp.customize.BackgroundPositionControl</a></li><li><a href="wp.customize.CodeEditorControl.html">wp.customize.CodeEditorControl</a></li><li><a href="wp.customize.ColorControl.html">wp.customize.ColorControl</a></li><li><a href="wp.customize.Control.html">wp.customize.Control</a></li><li><a href="wp.customize.CroppedImageControl.html">wp.customize.CroppedImageControl</a></li><li><a href="wp.customize.DateTimeControl.html">wp.customize.DateTimeControl</a></li><li><a href="wp.customize.Element.html">wp.customize.Element</a></li><li><a href="wp.customize.HeaderControl.html">wp.customize.HeaderControl</a></li><li><a href="wp.customize.HeaderTool.ChoiceList.html">wp.customize.HeaderTool.ChoiceList</a></li><li><a href="wp.customize.HeaderTool.ChoiceListView.html">wp.customize.HeaderTool.ChoiceListView</a></li><li><a href="wp.customize.HeaderTool.ChoiceView.html">wp.customize.HeaderTool.ChoiceView</a></li><li><a href="wp.customize.HeaderTool.CombinedList.html">wp.customize.HeaderTool.CombinedList</a></li><li><a href="wp.customize.HeaderTool.CurrentView.html">wp.customize.HeaderTool.CurrentView</a></li><li><a href="wp.customize.HeaderTool.DefaultsList.html">wp.customize.HeaderTool.DefaultsList</a></li><li><a href="wp.customize.HeaderTool.ImageModel.html">wp.customize.HeaderTool.ImageModel</a></li><li><a href="wp.customize.ImageControl.html">wp.customize.ImageControl</a></li><li><a href="wp.customize.Loader.html">wp.customize.Loader</a></li><li><a href="wp.customize.MediaControl.html">wp.customize.MediaControl</a></li><li><a href="wp.customize.Menus.AvailableItemCollection.html">wp.customize.Menus.AvailableItemCollection</a></li><li><a href="wp.customize.Menus.AvailableItemModel.html">wp.customize.Menus.AvailableItemModel</a></li><li><a href="wp.customize.Menus.AvailableMenuItemsPanelView.html">wp.customize.Menus.AvailableMenuItemsPanelView</a></li><li><a href="wp.customize.Menus.MenuAutoAddControl.html">wp.customize.Menus.MenuAutoAddControl</a></li><li><a href="wp.customize.Menus.MenuControl.html">wp.customize.Menus.MenuControl</a></li><li><a href="wp.customize.Menus.MenuItemControl.html">wp.customize.Menus.MenuItemControl</a></li><li><a href="wp.customize.Menus.MenuLocationControl.html">wp.customize.Menus.MenuLocationControl</a></li><li><a href="wp.customize.Menus.MenuLocationsControl.html">wp.customize.Menus.MenuLocationsControl</a></li><li><a href="wp.customize.Menus.MenuNameControl.html">wp.customize.Menus.MenuNameControl</a></li><li><a href="wp.customize.Menus.MenuSection.html">wp.customize.Menus.MenuSection</a></li><li><a href="wp.customize.Menus.MenusPanel.html">wp.customize.Menus.MenusPanel</a></li><li><a href="wp.customize.Menus.NewMenuSection.html">wp.customize.Menus.NewMenuSection</a></li><li><a href="wp.customize.Messenger.html">wp.customize.Messenger</a></li><li><a href="wp.customize.navMenusPreview.NavMenuInstancePartial.html">wp.customize.navMenusPreview.NavMenuInstancePartial</a></li><li><a href="wp.customize.Notification.html">wp.customize.Notification</a></li><li><a href="wp.customize.Notifications.html">wp.customize.Notifications</a></li><li><a href="wp.customize.OuterSection.html">wp.customize.OuterSection</a></li><li><a href="wp.customize.OverlayNotification.html">wp.customize.OverlayNotification</a></li><li><a href="wp.customize.Panel.html">wp.customize.Panel</a></li><li><a href="wp.customize.Preview.html">wp.customize.Preview</a></li><li><a href="wp.customize.Previewer.html">wp.customize.Previewer</a></li><li><a href="wp.customize.PreviewFrame.html">wp.customize.PreviewFrame</a></li><li><a href="wp.customize.PreviewLinkControl.html">wp.customize.PreviewLinkControl</a></li><li><a href="wp.customize.Section.html">wp.customize.Section</a></li><li><a href="wp.customize.selectiveRefresh.Partial.html">wp.customize.selectiveRefresh.Partial</a></li><li><a href="wp.customize.selectiveRefresh.Placement.html">wp.customize.selectiveRefresh.Placement</a></li><li><a href="wp.customize.Setting.html">wp.customize.Setting</a></li><li><a href="wp.customize.SiteIconControl.html">wp.customize.SiteIconControl</a></li><li><a href="wp.customize.ThemeControl.html">wp.customize.ThemeControl</a></li><li><a href="wp.customize.ThemesPanel.html">wp.customize.ThemesPanel</a></li><li><a href="wp.customize.ThemesSection.html">wp.customize.ThemesSection</a></li><li><a href="wp.customize.UploadControl.html">wp.customize.UploadControl</a></li><li><a href="wp.customize.Value.html">wp.customize.Value</a></li><li><a href="wp.customize.Values.html">wp.customize.Values</a></li><li><a href="wp.customize.Widgets.AvailableWidgetsPanelView.html">wp.customize.Widgets.AvailableWidgetsPanelView</a></li><li><a href="wp.customize.Widgets.SidebarCollection.html">wp.customize.Widgets.SidebarCollection</a></li><li><a href="wp.customize.Widgets.SidebarControl.html">wp.customize.Widgets.SidebarControl</a></li><li><a href="wp.customize.Widgets.SidebarModel.html">wp.customize.Widgets.SidebarModel</a></li><li><a href="wp.customize.Widgets.SidebarSection.html">wp.customize.Widgets.SidebarSection</a></li><li><a href="wp.customize.Widgets.WidgetCollection.html">wp.customize.Widgets.WidgetCollection</a></li><li><a href="wp.customize.Widgets.WidgetControl.html">wp.customize.Widgets.WidgetControl</a></li><li><a href="wp.customize.Widgets.WidgetModel.html">wp.customize.Widgets.WidgetModel</a></li><li><a href="wp.customize.Widgets.WidgetsPanel.html">wp.customize.Widgets.WidgetsPanel</a></li><li><a href="wp.customize.widgetsPreview.SidebarPartial.html">wp.customize.widgetsPreview.SidebarPartial</a></li><li><a href="wp.customize.widgetsPreview.WidgetPartial.html">wp.customize.widgetsPreview.WidgetPartial</a></li><li><a href="wp.customize-Container.html">wp.customize~Container</a></li><li><a href="wp.customize-LockedNotification.html">wp.customize~LockedNotification</a></li><li><a href="wp.media.collection.html">wp.media.collection</a></li><li><a href="wp.media.controller.AudioDetails.html">wp.media.controller.AudioDetails</a></li><li><a href="wp.media.controller.CollectionAdd.html">wp.media.controller.CollectionAdd</a></li><li><a href="wp.media.controller.CollectionEdit.html">wp.media.controller.CollectionEdit</a></li><li><a href="wp.media.controller.Cropper.html">wp.media.controller.Cropper</a></li><li><a href="wp.media.controller.CustomizeImageCropper.html">wp.media.controller.CustomizeImageCropper</a></li><li><a href="wp.media.controller.EditAttachmentMetadata.html">wp.media.controller.EditAttachmentMetadata</a></li><li><a href="wp.media.controller.EditImage.html">wp.media.controller.EditImage</a></li><li><a href="wp.media.controller.Embed.html">wp.media.controller.Embed</a></li><li><a href="wp.media.controller.FeaturedImage.html">wp.media.controller.FeaturedImage</a></li><li><a href="wp.media.controller.GalleryAdd.html">wp.media.controller.GalleryAdd</a></li><li><a href="wp.media.controller.GalleryEdit.html">wp.media.controller.GalleryEdit</a></li><li><a href="wp.media.controller.ImageDetails.html">wp.media.controller.ImageDetails</a></li><li><a href="wp.media.controller.Library.html">wp.media.controller.Library</a></li><li><a href="wp.media.controller.Region.html">wp.media.controller.Region</a></li><li><a href="wp.media.controller.ReplaceImage.html">wp.media.controller.ReplaceImage</a></li><li><a href="wp.media.controller.SiteIconCropper.html">wp.media.controller.SiteIconCropper</a></li><li><a href="wp.media.controller.State.html">wp.media.controller.State</a></li><li><a href="wp.media.model.Attachment.html">wp.media.model.Attachment</a></li><li><a href="wp.media.model.Attachments.html">wp.media.model.Attachments</a></li><li><a href="wp.media.model.PostImage.html">wp.media.model.PostImage</a></li><li><a href="wp.media.model.PostMedia.html">wp.media.model.PostMedia</a></li><li><a href="wp.media.model.Query.html">wp.media.model.Query</a></li><li><a href="wp.media.model.Selection.html">wp.media.model.Selection</a></li><li><a href="wp.media.View_.html">wp.media.View</a></li><li><a href="wp.media.view.Attachment.html">wp.media.view.Attachment</a></li><li><a href="wp.media.view.Attachment.Details.html">wp.media.view.Attachment.Details</a></li><li><a href="wp.media.view.Attachment.Details.TwoColumn.html">wp.media.view.Attachment.Details.TwoColumn</a></li><li><a href="wp.media.view.Attachment.EditLibrary.html">wp.media.view.Attachment.EditLibrary</a></li><li><a href="wp.media.view.Attachment.EditSelection.html">wp.media.view.Attachment.EditSelection</a></li><li><a href="wp.media.view.Attachment.Library.html">wp.media.view.Attachment.Library</a></li><li><a href="wp.media.view.Attachment.Selection.html">wp.media.view.Attachment.Selection</a></li><li><a href="wp.media.view.AttachmentCompat.html">wp.media.view.AttachmentCompat</a></li><li><a href="wp.media.view.AttachmentFilters.html">wp.media.view.AttachmentFilters</a></li><li><a href="wp.media.view.AttachmentFilters.All.html">wp.media.view.AttachmentFilters.All</a></li><li><a href="wp.media.view.AttachmentFilters.DateFilter.html">wp.media.view.AttachmentFilters.DateFilter</a></li><li><a href="wp.media.view.AttachmentFilters.Uploaded.html">wp.media.view.AttachmentFilters.Uploaded</a></li><li><a href="wp.media.view.Attachments.html">wp.media.view.Attachments</a></li><li><a href="wp.media.view.Attachments.Selection.html">wp.media.view.Attachments.Selection</a></li><li><a href="wp.media.view.AttachmentsBrowser.html">wp.media.view.AttachmentsBrowser</a></li><li><a href="wp.media.view.AudioDetails.html">wp.media.view.AudioDetails</a></li><li><a href="wp.media.view.Button.html">wp.media.view.Button</a></li><li><a href="wp.media.view.ButtonGroup.html">wp.media.view.ButtonGroup</a></li><li><a href="wp.media.view.Cropper.html">wp.media.view.Cropper</a></li><li><a href="wp.media.view.DeleteSelected.html">wp.media.view.DeleteSelected</a></li><li><a href="wp.media.view.DeleteSelectedPermanently.html">wp.media.view.DeleteSelectedPermanently</a></li><li><a href="wp.media.view.EditImage.html">wp.media.view.EditImage</a></li><li><a href="wp.media.view.EditImage.Details.html">wp.media.view.EditImage.Details</a></li><li><a href="wp.media.view.EditorUploader.html">wp.media.view.EditorUploader</a></li><li><a href="wp.media.view.Embed.html">wp.media.view.Embed</a></li><li><a href="wp.media.view.EmbedImage.html">wp.media.view.EmbedImage</a></li><li><a href="wp.media.view.EmbedLink.html">wp.media.view.EmbedLink</a></li><li><a href="wp.media.view.EmbedUrl.html">wp.media.view.EmbedUrl</a></li><li><a href="wp.media.view.FocusManager.html">wp.media.view.FocusManager</a></li><li><a href="wp.media.view.Frame.html">wp.media.view.Frame</a></li><li><a href="wp.media.view.Iframe.html">wp.media.view.Iframe</a></li><li><a href="wp.media.view.ImageDetails.html">wp.media.view.ImageDetails</a></li><li><a href="wp.media.view.Label.html">wp.media.view.Label</a></li><li><a href="wp.media.view.MediaDetails.html">wp.media.view.MediaDetails</a></li><li><a href="wp.media.view.MediaFrame.html">wp.media.view.MediaFrame</a></li><li><a href="wp.media.view.MediaFrame.AudioDetails.html">wp.media.view.MediaFrame.AudioDetails</a></li><li><a href="wp.media.view.MediaFrame.EditAttachments.html">wp.media.view.MediaFrame.EditAttachments</a></li><li><a href="wp.media.view.MediaFrame.ImageDetails.html">wp.media.view.MediaFrame.ImageDetails</a></li><li><a href="wp.media.view.MediaFrame.Manage.html">wp.media.view.MediaFrame.Manage</a></li><li><a href="wp.media.view.MediaFrame.Manage.Router.html">wp.media.view.MediaFrame.Manage.Router</a></li><li><a href="wp.media.view.MediaFrame.MediaDetails.html">wp.media.view.MediaFrame.MediaDetails</a></li><li><a href="wp.media.view.MediaFrame.Post.html">wp.media.view.MediaFrame.Post</a></li><li><a href="wp.media.view.MediaFrame.Select.html">wp.media.view.MediaFrame.Select</a></li><li><a href="wp.media.view.MediaFrame.VideoDetails.html">wp.media.view.MediaFrame.VideoDetails</a></li><li><a href="wp.media.view.Menu.html">wp.media.view.Menu</a></li><li><a href="wp.media.view.MenuItem.html">wp.media.view.MenuItem</a></li><li><a href="wp.media.view.Modal.html">wp.media.view.Modal</a></li><li><a href="wp.media.view.PriorityList.html">wp.media.view.PriorityList</a></li><li><a href="wp.media.view.Router.html">wp.media.view.Router</a></li><li><a href="wp.media.view.RouterItem.html">wp.media.view.RouterItem</a></li><li><a href="wp.media.view.Search.html">wp.media.view.Search</a></li><li><a href="wp.media.view.Selection.html">wp.media.view.Selection</a></li><li><a href="wp.media.view.SelectModeToggle.html">wp.media.view.SelectModeToggle</a></li><li><a href="wp.media.view.Settings.html">wp.media.view.Settings</a></li><li><a href="wp.media.view.Settings.AttachmentDisplay.html">wp.media.view.Settings.AttachmentDisplay</a></li><li><a href="wp.media.view.Settings.Gallery.html">wp.media.view.Settings.Gallery</a></li><li><a href="wp.media.view.Settings.Playlist.html">wp.media.view.Settings.Playlist</a></li><li><a href="wp.media.view.Sidebar.html">wp.media.view.Sidebar</a></li><li><a href="wp.media.view.SiteIconCropper.html">wp.media.view.SiteIconCropper</a></li><li><a href="wp.media.view.SiteIconPreview.html">wp.media.view.SiteIconPreview</a></li><li><a href="wp.media.view.Spinner.html">wp.media.view.Spinner</a></li><li><a href="wp.media.view.Toolbar.html">wp.media.view.Toolbar</a></li><li><a href="wp.media.view.Toolbar.Embed.html">wp.media.view.Toolbar.Embed</a></li><li><a href="wp.media.view.Toolbar.Select.html">wp.media.view.Toolbar.Select</a></li><li><a href="wp.media.view.UploaderInline.html">wp.media.view.UploaderInline</a></li><li><a href="wp.media.view.UploaderStatus.html">wp.media.view.UploaderStatus</a></li><li><a href="wp.media.view.UploaderStatusError.html">wp.media.view.UploaderStatusError</a></li><li><a href="wp.media.view.UploaderWindow.html">wp.media.view.UploaderWindow</a></li><li><a href="wp.media.view.VideoDetails.html">wp.media.view.VideoDetails</a></li><li><a href="wp.mediaWidgets.controlConstructors.media_audio.html">wp.mediaWidgets.controlConstructors.media_audio</a></li><li><a href="wp.mediaWidgets.controlConstructors.media_gallery.html">wp.mediaWidgets.controlConstructors.media_gallery</a></li><li><a href="wp.mediaWidgets.controlConstructors.media_video.html">wp.mediaWidgets.controlConstructors.media_video</a></li><li><a href="wp.mediaWidgets.controlConstructors-AudioDetailsMediaFrame.html">wp.mediaWidgets.controlConstructors~AudioDetailsMediaFrame</a></li><li><a href="wp.mediaWidgets.controlConstructors-VideoDetailsMediaFrame.html">wp.mediaWidgets.controlConstructors~VideoDetailsMediaFrame</a></li><li><a href="wp.mediaWidgets.MediaEmbedView.html">wp.mediaWidgets.MediaEmbedView</a></li><li><a href="wp.mediaWidgets.MediaFrameSelect.html">wp.mediaWidgets.MediaFrameSelect</a></li><li><a href="wp.mediaWidgets.MediaWidgetControl.html">wp.mediaWidgets.MediaWidgetControl</a></li><li><a href="wp.mediaWidgets.MediaWidgetModel.html">wp.mediaWidgets.MediaWidgetModel</a></li><li><a href="wp.mediaWidgets.modelConstructors.media_audio.html">wp.mediaWidgets.modelConstructors.media_audio</a></li><li><a href="wp.mediaWidgets.modelConstructors.media_gallery.html">wp.mediaWidgets.modelConstructors.media_gallery</a></li><li><a href="wp.mediaWidgets.modelConstructors.media_image.html">wp.mediaWidgets.modelConstructors.media_image</a></li><li><a href="wp.mediaWidgets.modelConstructors.media_video.html">wp.mediaWidgets.modelConstructors.media_video</a></li><li><a href="wp.mediaWidgets.PersistentDisplaySettingsLibrary.html">wp.mediaWidgets.PersistentDisplaySettingsLibrary</a></li><li><a href="wp.mediaWidgets-Constructor.html">wp.mediaWidgets~Constructor</a></li><li><a href="wp.mediaWidgets-GalleryDetailsMediaFrame.html">wp.mediaWidgets~GalleryDetailsMediaFrame</a></li><li><a href="wp.NativeHandler.html">wp.NativeHandler</a></li><li><a href="wp.textWidgets.TextWidgetControl.html">wp.textWidgets.TextWidgetControl</a></li><li><a href="wp.utils.wordcounter.html">wp.utils.wordcounter</a></li><li><a href="wp.YouTubeHandler.html">wp.YouTubeHandler</a></li>
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<h1 class="page-title">Source: _enqueues/wp/customize/nav-menus.js</h1>
<section>
<article>
<pre
class="sunlight-highlight-javascript linenums">/**
* @output wp-admin/js/customize-nav-menus.js
*/
/* global _wpCustomizeNavMenusSettings, wpNavMenu, console */
( function( api, wp, $ ) {
'use strict';
/**
* Set up wpNavMenu for drag and drop.
*/
wpNavMenu.originalInit = wpNavMenu.init;
wpNavMenu.options.menuItemDepthPerLevel = 20;
wpNavMenu.options.sortableItems = '> .customize-control-nav_menu_item';
wpNavMenu.options.targetTolerance = 10;
wpNavMenu.init = function() {
this.jQueryExtensions();
};
/**
* @namespace wp.customize.Menus
*/
api.Menus = api.Menus || {};
// Link settings.
api.Menus.data = {
itemTypes: [],
l10n: {},
settingTransport: 'refresh',
phpIntMax: 0,
defaultSettingValues: {
nav_menu: {},
nav_menu_item: {}
},
locationSlugMappedToName: {}
};
if ( 'undefined' !== typeof _wpCustomizeNavMenusSettings ) {
$.extend( api.Menus.data, _wpCustomizeNavMenusSettings );
}
/**
* Newly-created Nav Menus and Nav Menu Items have negative integer IDs which
* serve as placeholders until Save & Publish happens.
*
* @alias wp.customize.Menus.generatePlaceholderAutoIncrementId
*
* @return {number}
*/
api.Menus.generatePlaceholderAutoIncrementId = function() {
return -Math.ceil( api.Menus.data.phpIntMax * Math.random() );
};
/**
* wp.customize.Menus.AvailableItemModel
*
* A single available menu item model. See PHP's WP_Customize_Nav_Menu_Item_Setting class.
*
* @class wp.customize.Menus.AvailableItemModel
* @augments Backbone.Model
*/
api.Menus.AvailableItemModel = Backbone.Model.extend( $.extend(
{
id: null // This is only used by Backbone.
},
api.Menus.data.defaultSettingValues.nav_menu_item
) );
/**
* wp.customize.Menus.AvailableItemCollection
*
* Collection for available menu item models.
*
* @class wp.customize.Menus.AvailableItemCollection
* @augments Backbone.Collection
*/
api.Menus.AvailableItemCollection = Backbone.Collection.extend(/** @lends wp.customize.Menus.AvailableItemCollection.prototype */{
model: api.Menus.AvailableItemModel,
sort_key: 'order',
comparator: function( item ) {
return -item.get( this.sort_key );
},
sortByField: function( fieldName ) {
this.sort_key = fieldName;
this.sort();
}
});
api.Menus.availableMenuItems = new api.Menus.AvailableItemCollection( api.Menus.data.availableMenuItems );
/**
* Insert a new `auto-draft` post.
*
* @since 4.7.0
* @alias wp.customize.Menus.insertAutoDraftPost
*
* @param {object} params - Parameters for the draft post to create.
* @param {string} params.post_type - Post type to add.
* @param {string} params.post_title - Post title to use.
* @return {jQuery.promise} Promise resolved with the added post.
*/
api.Menus.insertAutoDraftPost = function insertAutoDraftPost( params ) {
var request, deferred = $.Deferred();
request = wp.ajax.post( 'customize-nav-menus-insert-auto-draft', {
'customize-menus-nonce': api.settings.nonce['customize-menus'],
'wp_customize': 'on',
'customize_changeset_uuid': api.settings.changeset.uuid,
'params': params
} );
request.done( function( response ) {
if ( response.post_id ) {
api( 'nav_menus_created_posts' ).set(
api( 'nav_menus_created_posts' ).get().concat( [ response.post_id ] )
);
if ( 'page' === params.post_type ) {
// Activate static front page controls as this could be the first page created.
if ( api.section.has( 'static_front_page' ) ) {
api.section( 'static_front_page' ).activate();
}
// Add new page to dropdown-pages controls.
api.control.each( function( control ) {
var select;
if ( 'dropdown-pages' === control.params.type ) {
select = control.container.find( 'select[name^="_customize-dropdown-pages-"]' );
select.append( new Option( params.post_title, response.post_id ) );
}
} );
}
deferred.resolve( response );
}
} );
request.fail( function( response ) {
var error = response || '';
if ( 'undefined' !== typeof response.message ) {
error = response.message;
}
console.error( error );
deferred.rejectWith( error );
} );
return deferred.promise();
};
api.Menus.AvailableMenuItemsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Menus.AvailableMenuItemsPanelView.prototype */{
el: '#available-menu-items',
events: {
'input #menu-items-search': 'debounceSearch',
'focus .menu-item-tpl': 'focus',
'click .menu-item-tpl': '_submit',
'click #custom-menu-item-submit': '_submitLink',
'keypress #custom-menu-item-name': '_submitLink',
'click .new-content-item .add-content': '_submitNew',
'keypress .create-item-input': '_submitNew',
'keydown': 'keyboardAccessible'
},
// Cache current selected menu item.
selected: null,
// Cache menu control that opened the panel.
currentMenuControl: null,
debounceSearch: null,
$search: null,
$clearResults: null,
searchTerm: '',
rendered: false,
pages: {},
sectionContent: '',
loading: false,
addingNew: false,
/**
* wp.customize.Menus.AvailableMenuItemsPanelView
*
* View class for the available menu items panel.
*
* @constructs wp.customize.Menus.AvailableMenuItemsPanelView
* @augments wp.Backbone.View
*/
initialize: function() {
var self = this;
if ( ! api.panel.has( 'nav_menus' ) ) {
return;
}
this.$search = $( '#menu-items-search' );
this.$clearResults = this.$el.find( '.clear-results' );
this.sectionContent = this.$el.find( '.available-menu-items-list' );
this.debounceSearch = _.debounce( self.search, 500 );
_.bindAll( this, 'close' );
/*
* If the available menu items panel is open and the customize controls
* are interacted with (other than an item being deleted), then close
* the available menu items panel. Also close on back button click.
*/
$( '#customize-controls, .customize-section-back' ).on( 'click keydown', function( e ) {
var isDeleteBtn = $( e.target ).is( '.item-delete, .item-delete *' ),
isAddNewBtn = $( e.target ).is( '.add-new-menu-item, .add-new-menu-item *' );
if ( $( 'body' ).hasClass( 'adding-menu-items' ) && ! isDeleteBtn && ! isAddNewBtn ) {
self.close();
}
} );
// Clear the search results and trigger a `keyup` event to fire a new search.
this.$clearResults.on( 'click', function() {
self.$search.val( '' ).focus().trigger( 'keyup' );
} );
this.$el.on( 'input', '#custom-menu-item-name.invalid, #custom-menu-item-url.invalid', function() {
$( this ).removeClass( 'invalid' );
});
// Load available items if it looks like we'll need them.
api.panel( 'nav_menus' ).container.bind( 'expanded', function() {
if ( ! self.rendered ) {
self.initList();
self.rendered = true;
}
});
// Load more items.
this.sectionContent.scroll( function() {
var totalHeight = self.$el.find( '.accordion-section.open .available-menu-items-list' ).prop( 'scrollHeight' ),
visibleHeight = self.$el.find( '.accordion-section.open' ).height();
if ( ! self.loading && $( this ).scrollTop() > 3 / 4 * totalHeight - visibleHeight ) {
var type = $( this ).data( 'type' ),
object = $( this ).data( 'object' );
if ( 'search' === type ) {
if ( self.searchTerm ) {
self.doSearch( self.pages.search );
}
} else {
self.loadItems( [
{ type: type, object: object }
] );
}
}
});
// Close the panel if the URL in the preview changes.
api.previewer.bind( 'url', this.close );
self.delegateEvents();
},
// Search input change handler.
search: function( event ) {
var $searchSection = $( '#available-menu-items-search' ),
$otherSections = $( '#available-menu-items .accordion-section' ).not( $searchSection );
if ( ! event ) {
return;
}
if ( this.searchTerm === event.target.value ) {
return;
}
if ( '' !== event.target.value && ! $searchSection.hasClass( 'open' ) ) {
$otherSections.fadeOut( 100 );
$searchSection.find( '.accordion-section-content' ).slideDown( 'fast' );
$searchSection.addClass( 'open' );
this.$clearResults.addClass( 'is-visible' );
} else if ( '' === event.target.value ) {
$searchSection.removeClass( 'open' );
$otherSections.show();
this.$clearResults.removeClass( 'is-visible' );
}
this.searchTerm = event.target.value;
this.pages.search = 1;
this.doSearch( 1 );
},
// Get search results.
doSearch: function( page ) {
var self = this, params,
$section = $( '#available-menu-items-search' ),
$content = $section.find( '.accordion-section-content' ),
itemTemplate = wp.template( 'available-menu-item' );
if ( self.currentRequest ) {
self.currentRequest.abort();
}
if ( page < 0 ) {
return;
} else if ( page > 1 ) {
$section.addClass( 'loading-more' );
$content.attr( 'aria-busy', 'true' );
wp.a11y.speak( api.Menus.data.l10n.itemsLoadingMore );
} else if ( '' === self.searchTerm ) {
$content.html( '' );
wp.a11y.speak( '' );
return;
}
$section.addClass( 'loading' );
self.loading = true;
params = api.previewer.query( { excludeCustomizedSaved: true } );
_.extend( params, {
'customize-menus-nonce': api.settings.nonce['customize-menus'],
'wp_customize': 'on',
'search': self.searchTerm,
'page': page
} );
self.currentRequest = wp.ajax.post( 'search-available-menu-items-customizer', params );
self.currentRequest.done(function( data ) {
var items;
if ( 1 === page ) {
// Clear previous results as it's a new search.
$content.empty();
}
$section.removeClass( 'loading loading-more' );
$content.attr( 'aria-busy', 'false' );
$section.addClass( 'open' );
self.loading = false;
items = new api.Menus.AvailableItemCollection( data.items );
self.collection.add( items.models );
items.each( function( menuItem ) {
$content.append( itemTemplate( menuItem.attributes ) );
} );
if ( 20 > items.length ) {
self.pages.search = -1; // Up to 20 posts and 20 terms in results, if <20, no more results for either.
} else {
self.pages.search = self.pages.search + 1;
}
if ( items && page > 1 ) {
wp.a11y.speak( api.Menus.data.l10n.itemsFoundMore.replace( '%d', items.length ) );
} else if ( items && page === 1 ) {
wp.a11y.speak( api.Menus.data.l10n.itemsFound.replace( '%d', items.length ) );
}
});
self.currentRequest.fail(function( data ) {
// data.message may be undefined, for example when typing slow and the request is aborted.
if ( data.message ) {
$content.empty().append( $( '<li class="nothing-found"></li>' ).text( data.message ) );
wp.a11y.speak( data.message );
}
self.pages.search = -1;
});
self.currentRequest.always(function() {
$section.removeClass( 'loading loading-more' );
$content.attr( 'aria-busy', 'false' );
self.loading = false;
self.currentRequest = null;
});
},
// Render the individual items.
initList: function() {
var self = this;
// Render the template for each item by type.
_.each( api.Menus.data.itemTypes, function( itemType ) {
self.pages[ itemType.type + ':' + itemType.object ] = 0;
} );
self.loadItems( api.Menus.data.itemTypes );
},
/**
* Load available nav menu items.
*
* @since 4.3.0
* @since 4.7.0 Changed function signature to take list of item types instead of single type/object.
* @access private
*
* @param {Array.<object>} itemTypes List of objects containing type and key.
* @param {string} deprecated Formerly the object parameter.
* @return {void}
*/
loadItems: function( itemTypes, deprecated ) {
var self = this, _itemTypes, requestItemTypes = [], params, request, itemTemplate, availableMenuItemContainers = {};
itemTemplate = wp.template( 'available-menu-item' );
if ( _.isString( itemTypes ) && _.isString( deprecated ) ) {
_itemTypes = [ { type: itemTypes, object: deprecated } ];
} else {
_itemTypes = itemTypes;
}
_.each( _itemTypes, function( itemType ) {
var container, name = itemType.type + ':' + itemType.object;
if ( -1 === self.pages[ name ] ) {
return; // Skip types for which there are no more results.
}
container = $( '#available-menu-items-' + itemType.type + '-' + itemType.object );
container.find( '.accordion-section-title' ).addClass( 'loading' );
availableMenuItemContainers[ name ] = container;
requestItemTypes.push( {
object: itemType.object,
type: itemType.type,
page: self.pages[ name ]
} );
} );
if ( 0 === requestItemTypes.length ) {
return;
}
self.loading = true;
params = api.previewer.query( { excludeCustomizedSaved: true } );
_.extend( params, {
'customize-menus-nonce': api.settings.nonce['customize-menus'],
'wp_customize': 'on',
'item_types': requestItemTypes
} );
request = wp.ajax.post( 'load-available-menu-items-customizer', params );
request.done(function( data ) {
var typeInner;
_.each( data.items, function( typeItems, name ) {
if ( 0 === typeItems.length ) {
if ( 0 === self.pages[ name ] ) {
availableMenuItemContainers[ name ].find( '.accordion-section-title' )
.addClass( 'cannot-expand' )
.removeClass( 'loading' )
.find( '.accordion-section-title > button' )
.prop( 'tabIndex', -1 );
}
self.pages[ name ] = -1;
return;
} else if ( ( 'post_type:page' === name ) && ( ! availableMenuItemContainers[ name ].hasClass( 'open' ) ) ) {
availableMenuItemContainers[ name ].find( '.accordion-section-title > button' ).click();
}
typeItems = new api.Menus.AvailableItemCollection( typeItems ); // @todo Why is this collection created and then thrown away?
self.collection.add( typeItems.models );
typeInner = availableMenuItemContainers[ name ].find( '.available-menu-items-list' );
typeItems.each( function( menuItem ) {
typeInner.append( itemTemplate( menuItem.attributes ) );
} );
self.pages[ name ] += 1;
});
});
request.fail(function( data ) {
if ( typeof console !== 'undefined' && console.error ) {
console.error( data );
}
});
request.always(function() {
_.each( availableMenuItemContainers, function( container ) {
container.find( '.accordion-section-title' ).removeClass( 'loading' );
} );
self.loading = false;
});
},
// Adjust the height of each section of items to fit the screen.
itemSectionHeight: function() {
var sections, lists, totalHeight, accordionHeight, diff;
totalHeight = window.innerHeight;
sections = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .accordion-section-content' );
lists = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .available-menu-items-list:not(":only-child")' );
accordionHeight = 46 * ( 1 + sections.length ) + 14; // Magic numbers.
diff = totalHeight - accordionHeight;
if ( 120 < diff && 290 > diff ) {
sections.css( 'max-height', diff );
lists.css( 'max-height', ( diff - 60 ) );
}
},
// Highlights a menu item.
select: function( menuitemTpl ) {
this.selected = $( menuitemTpl );
this.selected.siblings( '.menu-item-tpl' ).removeClass( 'selected' );
this.selected.addClass( 'selected' );
},
// Highlights a menu item on focus.
focus: function( event ) {
this.select( $( event.currentTarget ) );
},
// Submit handler for keypress and click on menu item.
_submit: function( event ) {
// Only proceed with keypress if it is Enter or Spacebar.
if ( 'keypress' === event.type && ( 13 !== event.which && 32 !== event.which ) ) {
return;
}
this.submit( $( event.currentTarget ) );
},
// Adds a selected menu item to the menu.
submit: function( menuitemTpl ) {
var menuitemId, menu_item;
if ( ! menuitemTpl ) {
menuitemTpl = this.selected;
}
if ( ! menuitemTpl || ! this.currentMenuControl ) {
return;
}
this.select( menuitemTpl );
menuitemId = $( this.selected ).data( 'menu-item-id' );
menu_item = this.collection.findWhere( { id: menuitemId } );
if ( ! menu_item ) {
return;
}
this.currentMenuControl.addItemToMenu( menu_item.attributes );
$( menuitemTpl ).find( '.menu-item-handle' ).addClass( 'item-added' );
},
// Submit handler for keypress and click on custom menu item.
_submitLink: function( event ) {
// Only proceed with keypress if it is Enter.
if ( 'keypress' === event.type && 13 !== event.which ) {
return;
}
this.submitLink();
},
// Adds the custom menu item to the menu.
submitLink: function() {
var menuItem,
itemName = $( '#custom-menu-item-name' ),
itemUrl = $( '#custom-menu-item-url' ),
url = itemUrl.val().trim(),
urlRegex;
if ( ! this.currentMenuControl ) {
return;
}
/*
* Allow URLs including:
* - http://example.com/
* - //example.com
* - /directory/
* - ?query-param
* - #target
* - mailto:[email protected]
*
* Any further validation will be handled on the server when the setting is attempted to be saved,
* so this pattern does not need to be complete.
*/
urlRegex = /^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/;
if ( '' === itemName.val() ) {
itemName.addClass( 'invalid' );
return;
} else if ( ! urlRegex.test( url ) ) {
itemUrl.addClass( 'invalid' );
return;
}
menuItem = {
'title': itemName.val(),
'url': url,
'type': 'custom',
'type_label': api.Menus.data.l10n.custom_label,
'object': 'custom'
};
this.currentMenuControl.addItemToMenu( menuItem );
// Reset the custom link form.
itemUrl.val( '' ).attr( 'placeholder', 'https://' );
itemName.val( '' );
},
/**
* Submit handler for keypress (enter) on field and click on button.
*
* @since 4.7.0
* @private
*
* @param {jQuery.Event} event Event.
* @return {void}
*/
_submitNew: function( event ) {
var container;
// Only proceed with keypress if it is Enter.
if ( 'keypress' === event.type && 13 !== event.which ) {
return;
}
if ( this.addingNew ) {
return;
}
container = $( event.target ).closest( '.accordion-section' );
this.submitNew( container );
},
/**
* Creates a new object and adds an associated menu item to the menu.
*
* @since 4.7.0
* @private
*
* @param {jQuery} container
* @return {void}
*/
submitNew: function( container ) {
var panel = this,
itemName = container.find( '.create-item-input' ),
title = itemName.val(),
dataContainer = container.find( '.available-menu-items-list' ),
itemType = dataContainer.data( 'type' ),
itemObject = dataContainer.data( 'object' ),
itemTypeLabel = dataContainer.data( 'type_label' ),
promise;
if ( ! this.currentMenuControl ) {
return;
}
// Only posts are supported currently.
if ( 'post_type' !== itemType ) {
return;
}
if ( '' === $.trim( itemName.val() ) ) {
itemName.addClass( 'invalid' );
itemName.focus();
return;
} else {
itemName.removeClass( 'invalid' );
container.find( '.accordion-section-title' ).addClass( 'loading' );
}
panel.addingNew = true;
itemName.attr( 'disabled', 'disabled' );
promise = api.Menus.insertAutoDraftPost( {
post_title: title,
post_type: itemObject
} );
promise.done( function( data ) {
var availableItem, $content, itemElement;
availableItem = new api.Menus.AvailableItemModel( {
'id': 'post-' + data.post_id, // Used for available menu item Backbone models.
'title': itemName.val(),
'type': itemType,
'type_label': itemTypeLabel,
'object': itemObject,
'object_id': data.post_id,
'url': data.url
} );
// Add new item to menu.
panel.currentMenuControl.addItemToMenu( availableItem.attributes );
// Add the new item to the list of available items.
api.Menus.availableMenuItemsPanel.collection.add( availableItem );
$content = container.find( '.available-menu-items-list' );
itemElement = $( wp.template( 'available-menu-item' )( availableItem.attributes ) );
itemElement.find( '.menu-item-handle:first' ).addClass( 'item-added' );
$content.prepend( itemElement );
$content.scrollTop();
// Reset the create content form.
itemName.val( '' ).removeAttr( 'disabled' );
panel.addingNew = false;
container.find( '.accordion-section-title' ).removeClass( 'loading' );
} );
},
// Opens the panel.
open: function( menuControl ) {
var panel = this, close;
this.currentMenuControl = menuControl;
this.itemSectionHeight();
if ( api.section.has( 'publish_settings' ) ) {
api.section( 'publish_settings' ).collapse();
}
$( 'body' ).addClass( 'adding-menu-items' );
close = function() {
panel.close();
$( this ).off( 'click', close );
};
$( '#customize-preview' ).on( 'click', close );
// Collapse all controls.
_( this.currentMenuControl.getMenuItemControls() ).each( function( control ) {
control.collapseForm();
} );
this.$el.find( '.selected' ).removeClass( 'selected' );
this.$search.focus();
},
// Closes the panel.
close: function( options ) {
options = options || {};
if ( options.returnFocus && this.currentMenuControl ) {
this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
}
this.currentMenuControl = null;
this.selected = null;
$( 'body' ).removeClass( 'adding-menu-items' );
$( '#available-menu-items .menu-item-handle.item-added' ).removeClass( 'item-added' );
this.$search.val( '' ).trigger( 'keyup' );
},
// Add a few keyboard enhancements to the panel.
keyboardAccessible: function( event ) {
var isEnter = ( 13 === event.which ),
isEsc = ( 27 === event.which ),
isBackTab = ( 9 === event.which && event.shiftKey ),
isSearchFocused = $( event.target ).is( this.$search );
// If enter pressed but nothing entered, don't do anything.
if ( isEnter && ! this.$search.val() ) {
return;
}
if ( isSearchFocused && isBackTab ) {
this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
event.preventDefault(); // Avoid additional back-tab.
} else if ( isEsc ) {
this.close( { returnFocus: true } );
}
}
});
/**
* wp.customize.Menus.MenusPanel
*
* Customizer panel for menus. This is used only for screen options management.
* Note that 'menus' must match the WP_Customize_Menu_Panel::$type.
*
* @class wp.customize.Menus.MenusPanel
* @augments wp.customize.Panel
*/
api.Menus.MenusPanel = api.Panel.extend(/** @lends wp.customize.Menus.MenusPanel.prototype */{
attachEvents: function() {
api.Panel.prototype.attachEvents.call( this );
var panel = this,
panelMeta = panel.container.find( '.panel-meta' ),
help = panelMeta.find( '.customize-help-toggle' ),
content = panelMeta.find( '.customize-panel-description' ),
options = $( '#screen-options-wrap' ),
button = panelMeta.find( '.customize-screen-options-toggle' );
button.on( 'click keydown', function( event ) {
if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
return;
}
event.preventDefault();
// Hide description.
if ( content.not( ':hidden' ) ) {
content.slideUp( 'fast' );
help.attr( 'aria-expanded', 'false' );
}
if ( 'true' === button.attr( 'aria-expanded' ) ) {
button.attr( 'aria-expanded', 'false' );
panelMeta.removeClass( 'open' );
panelMeta.removeClass( 'active-menu-screen-options' );
options.slideUp( 'fast' );
} else {
button.attr( 'aria-expanded', 'true' );
panelMeta.addClass( 'open' );
panelMeta.addClass( 'active-menu-screen-options' );
options.slideDown( 'fast' );
}
return false;
} );
// Help toggle.
help.on( 'click keydown', function( event ) {
if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
return;
}
event.preventDefault();
if ( 'true' === button.attr( 'aria-expanded' ) ) {
button.attr( 'aria-expanded', 'false' );
help.attr( 'aria-expanded', 'true' );
panelMeta.addClass( 'open' );
panelMeta.removeClass( 'active-menu-screen-options' );
options.slideUp( 'fast' );
content.slideDown( 'fast' );
}
} );
},
/**
* Update field visibility when clicking on the field toggles.
*/
ready: function() {
var panel = this;
panel.container.find( '.hide-column-tog' ).click( function() {
panel.saveManageColumnsState();
});
// Inject additional heading into the menu locations section's head container.
api.section( 'menu_locations', function( section ) {
section.headContainer.prepend(
wp.template( 'nav-menu-locations-header' )( api.Menus.data )
);
} );
},
/**
* Save hidden column states.
*
* @since 4.3.0
* @private
*
* @return {void}
*/
saveManageColumnsState: _.debounce( function() {
var panel = this;
if ( panel._updateHiddenColumnsRequest ) {
panel._updateHiddenColumnsRequest.abort();
}
panel._updateHiddenColumnsRequest = wp.ajax.post( 'hidden-columns', {
hidden: panel.hidden(),
screenoptionnonce: $( '#screenoptionnonce' ).val(),
page: 'nav-menus'
} );
panel._updateHiddenColumnsRequest.always( function() {
panel._updateHiddenColumnsRequest = null;
} );
}, 2000 ),
/**
* @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
*/
checked: function() {},
/**
* @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
*/
unchecked: function() {},
/**
* Get hidden fields.
*
* @since 4.3.0
* @private
*
* @return {Array} Fields (columns) that are hidden.
*/
hidden: function() {
return $( '.hide-column-tog' ).not( ':checked' ).map( function() {
var id = this.id;
return id.substring( 0, id.length - 5 );
}).get().join( ',' );
}
} );
/**
* wp.customize.Menus.MenuSection
*
* Customizer section for menus. This is used only for lazy-loading child controls.
* Note that 'nav_menu' must match the WP_Customize_Menu_Section::$type.
*
* @class wp.customize.Menus.MenuSection
* @augments wp.customize.Section
*/