diff --git a/wp-admin/css/customize-nav-menus-rtl.css b/wp-admin/css/customize-nav-menus-rtl.css
index 0a3a35a57d..7479423a36 100644
--- a/wp-admin/css/customize-nav-menus-rtl.css
+++ b/wp-admin/css/customize-nav-menus-rtl.css
@@ -590,7 +590,8 @@
 	bottom: 0;
 	right: -301px;
 	visibility: hidden;
-	overflow: hidden;
+	overflow-x: hidden;
+	overflow-y: auto;
 	width: 300px;
 	margin: 0;
 	z-index: 4;
@@ -600,8 +601,13 @@
 	border-left: 1px solid #ddd;
 }
 
-#available-menu-items.allow-scroll {
-	overflow-y: auto;
+#available-menu-items.opening {
+	overflow-y: hidden; /* avoid scrollbar jitter with animating heights */
+}
+
+#available-menu-items #available-menu-items-search.open {
+	height: 100%;
+	border-bottom: none;
 }
 
 #available-menu-items .accordion-section-title {
@@ -610,7 +616,8 @@
 	background: #fff;
 }
 
-#available-menu-items .open .accordion-section-title {
+#available-menu-items .open .accordion-section-title,
+#available-menu-items #available-menu-items-search .accordion-section-title {
 	background: #eee;
 }
 
@@ -702,6 +709,15 @@ button.not-a-button {
 	max-height: 290px;
 }
 
+#available-menu-items #available-menu-items-search .accordion-section-content {
+	position: absolute;
+	right: 1px;
+	top: 60px; /* below title div / search input */
+	bottom: 0px; /* 100% height that still triggers lazy load */
+	max-height: none;
+	width: 270px;
+}
+
 #available-menu-items .menu-item-tpl {
 	margin: 0;
 }
@@ -802,6 +818,43 @@ button.not-a-button {
 	margin: 0 20px;
 }
 
+#available-menu-items-search .clear-results {
+	position: absolute;
+	top: 20px;
+	left: 20px;
+	width: 20px;
+	height: 20px;
+	cursor: pointer;
+	color: #a00;
+	text-decoration: none;
+}
+
+#available-menu-items-search .clear-results,
+#available-menu-items-search.loading .clear-results.is-visible {
+	display: none;
+}
+
+#available-menu-items-search .clear-results.is-visible {
+	display: block;
+}
+
+#available-menu-items-search .clear-results:before {
+	content: "\f335";
+	font: normal 20px/1 dashicons;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#available-menu-items-search .clear-results:hover,
+#available-menu-items-search .clear-results:focus {
+	color: #f00;
+}
+
+#available-menu-items-search .clear-results:focus {
+	-webkit-box-shadow: 0 0 0 1px #5b9dd9, 0 0 2px 1px rgba(30, 140, 190, .8);
+	box-shadow: 0 0 0 1px #5b9dd9, 0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
 #available-menu-items-search .spinner {
 	position: absolute;
 	top: 20px;
diff --git a/wp-admin/css/customize-nav-menus-rtl.min.css b/wp-admin/css/customize-nav-menus-rtl.min.css
index fa652d06b8..22657c2fb6 100644
--- a/wp-admin/css/customize-nav-menus-rtl.min.css
+++ b/wp-admin/css/customize-nav-menus-rtl.min.css
@@ -1 +1 @@
-#accordion-section-menu_locations{position:relative;margin-bottom:15px}.menu-in-location,.menu-in-locations{display:block;font-weight:600;font-size:10px}#customize-controls .control-section .accordion-section-title:focus .menu-in-location,#customize-controls .control-section .accordion-section-title:focus .menu-in-locations,#customize-controls .control-section .accordion-section-title:hover .menu-in-location,#customize-controls .control-section .accordion-section-title:hover .menu-in-locations,#customize-controls .theme-location-set{color:#555}.wp-customizer .menu-item-bar .menu-item-handle,.wp-customizer .menu-item-settings,.wp-customizer .menu-item-settings .description-thin{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.wp-customizer .menu-item-bar{margin:0}.wp-customizer .menu-item-bar .menu-item-handle{width:100%;background:#fff}.wp-customizer .menu-item-handle .item-title{margin-left:0}.wp-customizer .menu-item-handle .item-type{padding:1px 5px 0 21px;float:left;text-align:left}.wp-customizer .menu-item-settings{max-width:100%;overflow:hidden;padding:10px;background:#eee;border:1px solid #999;border-top:none}.wp-customizer .menu-item-settings .description-thin{width:100%;height:auto;margin:0 0 8px}.wp-customizer .menu-item-settings input[type=text]{width:100%}.wp-customizer .menu-item-settings .submitbox{margin:0;padding:0}.wp-customizer .menu-item-settings .link-to-original{padding:5px 0;border:none;font-style:normal;margin:0;width:100%}.wp-customizer .menu-item .submitbox .submitdelete{display:block;float:right;margin:6px 0 0;padding:0;cursor:pointer}.wp-customizer .menu-item .submitbox .submitdelete:focus{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#customize-theme-controls .reorder-done,#customize-theme-controls .reordering .reorder{display:none}#customize-theme-controls .reorder,#customize-theme-controls .reordering .reorder-done{display:inline-block;padding:5px 8px}.menu-item-reorder-nav{display:none;background-color:#fff;position:absolute;top:0;left:0}#customize-theme-controls .reordering .add-new-menu-item{opacity:.2;pointer-events:none;cursor:not-allowed}.menu-item-reorder-nav button{position:relative;overflow:hidden;float:right;display:block;width:30px;height:40px;color:#82878c;text-indent:-9999px;cursor:pointer;background:0 0;border:none;-webkit-box-shadow:none;box-shadow:none;outline:0}.menu-item-reorder-nav button:before{display:inline-block;position:absolute;top:0;left:0;width:100%;height:100%;font:400 20px/40px dashicons;text-align:center;text-indent:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.menu-item-reorder-nav button:focus,.menu-item-reorder-nav button:hover{color:#191e23;background:#eee}.menus-move-down:before{content:'\f347'}.menus-move-up:before{content:'\f343'}.menus-move-left:before{content:'\f341'}.menus-move-right:before{content:'\f345'}.move-down-disabled .menus-move-down,.move-left-disabled .menus-move-left,.move-right-disabled .menus-move-right,.move-up-disabled .menus-move-up{color:#d5d5d5!important;background-color:#fff!important;cursor:default;pointer-events:none}.menu-item-reorder-nav:before{content:"";display:block;position:absolute;right:-10px;width:10px;height:40px;background:-webkit-linear-gradient(right,rgba(250,250,250,0) 0,rgba(250,250,250,1) 100%);background:-webkit-gradient(linear,right top,left top,from(rgba(250,250,250,0)),to(rgba(250,250,250,1)));background:-webkit-linear-gradient(right,rgba(250,250,250,0) 0,rgba(250,250,250,1) 100%);background:linear-gradient(to left,rgba(250,250,250,0) 0,rgba(250,250,250,1) 100%)}.reordering .menu-item .item-controls,.reordering .menu-item .item-type{display:none}.reordering .menu-item-reorder-nav{display:block}.customize-control input.menu-name-field{width:100%;margin:12px 0}.wp-customizer .menu-item .item-edit{position:absolute;left:-19px;top:2px;display:block;width:30px;height:38px;margin-left:0!important;outline:0;overflow:hidden;cursor:pointer}.customize-control-nav_menu_item .item-edit:focus{color:#0073aa;-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}.wp-customizer .menu-item .item-edit .toggle-indicator{display:inline-block;font-size:20px;line-height:1}.wp-customizer .menu-item .item-edit .toggle-indicator:after{content:'\f140';font:400 20px/1 dashicons;color:#a0a5aa;vertical-align:top;speak:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important}.wp-customizer .menu-item.menu-item-edit-active .item-edit .toggle-indicator:after{content:'\f142'}.wp-customizer .menu-item-settings p.description{font-style:normal}.wp-customizer .menu-settings dl{margin:12px 0 0;padding:0}.wp-customizer .menu-settings .checkbox-input{margin-top:8px}.wp-customizer .menu-settings .menu-theme-locations{border-top:1px solid #ccc}.wp-customizer .menu-settings{margin-top:36px;border-top:none}.menu-settings .customize-control-checkbox label{line-height:1}.menu-settings .customize-control.customize-control-checkbox{margin-bottom:8px}.customize-control-menu{margin-top:4px}#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle{color:#555}.customize-screen-options-toggle{background:0 0;border:none;color:#555;cursor:pointer;margin:0;padding:20px;position:absolute;left:0;top:30px}#customize-controls .customize-info .customize-help-toggle{padding:20px}#customize-controls .customize-info .customize-help-toggle:before{padding:4px}#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:active,#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:focus,#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:hover,.active-menu-screen-options .customize-screen-options-toggle,.customize-screen-options-toggle:active,.customize-screen-options-toggle:focus,.customize-screen-options-toggle:hover{color:#0073aa}#customize-controls .customize-info .customize-help-toggle:focus,.customize-screen-options-toggle:focus{outline:0}.customize-screen-options-toggle:before{-moz-osx-font-smoothing:grayscale;border:none;content:"\f111";display:block;font:18px/1 dashicons;padding:5px;text-align:center;text-decoration:none!important;text-indent:0;right:6px;position:absolute;top:6px}#customize-controls .customize-info .customize-help-toggle:focus:before,.customize-screen-options-toggle:focus:before{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);-webkit-border-radius:100%;border-radius:100%}.wp-customizer #screen-options-wrap{display:none;background:#fff;border-top:1px solid #ddd;padding:4px 15px 0}.wp-customizer .metabox-prefs label{display:block;padding-left:0;line-height:30px}#accordion-panel-nav_menus .field-attr-title,#accordion-panel-nav_menus .field-css-classes,#accordion-panel-nav_menus .field-description,#accordion-panel-nav_menus .field-link-target,#accordion-panel-nav_menus .field-xfn{display:none}#accordion-panel-nav_menus.field-attr-title-active .field-attr-title,#accordion-panel-nav_menus.field-css-classes-active .field-css-classes,#accordion-panel-nav_menus.field-description-active .field-description,#accordion-panel-nav_menus.field-link-target-active .field-link-target,#accordion-panel-nav_menus.field-xfn-active .field-xfn{display:block}.menu-item-depth-0{margin-right:0}.menu-item-depth-1{margin-right:20px}.menu-item-depth-2{margin-right:40px}.menu-item-depth-3{margin-right:60px}.menu-item-depth-4{margin-right:80px}.menu-item-depth-5{margin-right:100px}.menu-item-depth-6{margin-right:120px}.menu-item-depth-7{margin-right:140px}.menu-item-depth-8{margin-right:160px}.menu-item-depth-9{margin-right:180px}.menu-item-depth-10{margin-right:200px}.menu-item-depth-11{margin-right:220px}.menu-item-depth-0>.menu-item-bar{margin-left:0}.menu-item-depth-1>.menu-item-bar{margin-left:20px}.menu-item-depth-2>.menu-item-bar{margin-left:40px}.menu-item-depth-3>.menu-item-bar{margin-left:60px}.menu-item-depth-4>.menu-item-bar{margin-left:80px}.menu-item-depth-5>.menu-item-bar{margin-left:100px}.menu-item-depth-6>.menu-item-bar{margin-left:120px}.menu-item-depth-7>.menu-item-bar{margin-left:140px}.menu-item-depth-8>.menu-item-bar{margin-left:160px}.menu-item-depth-9>.menu-item-bar{margin-left:180px}.menu-item-depth-10>.menu-item-bar{margin-left:200px}.menu-item-depth-11>.menu-item-bar{margin-left:220px}.menu-item-depth-0 .menu-item-transport{margin-right:0}.menu-item-depth-1 .menu-item-transport{margin-right:-20px}.menu-item-depth-3 .menu-item-transport{margin-right:-60px}.menu-item-depth-4 .menu-item-transport{margin-right:-80px}.menu-item-depth-2 .menu-item-transport{margin-right:-40px}.menu-item-depth-5 .menu-item-transport{margin-right:-100px}.menu-item-depth-6 .menu-item-transport{margin-right:-120px}.menu-item-depth-7 .menu-item-transport{margin-right:-140px}.menu-item-depth-8 .menu-item-transport{margin-right:-160px}.menu-item-depth-9 .menu-item-transport{margin-right:-180px}.menu-item-depth-10 .menu-item-transport{margin-right:-200px}.menu-item-depth-11 .menu-item-transport{margin-right:-220px}.reordering .menu-item-depth-0{margin-right:0}.reordering .menu-item-depth-1{margin-right:15px}.reordering .menu-item-depth-2{margin-right:30px}.reordering .menu-item-depth-3{margin-right:45px}.reordering .menu-item-depth-4{margin-right:60px}.reordering .menu-item-depth-5{margin-right:75px}.reordering .menu-item-depth-6{margin-right:90px}.reordering .menu-item-depth-7{margin-right:105px}.reordering .menu-item-depth-8{margin-right:120px}.reordering .menu-item-depth-9{margin-right:135px}.reordering .menu-item-depth-10{margin-right:150px}.reordering .menu-item-depth-11{margin-right:165px}.reordering .menu-item-depth-0>.menu-item-bar{margin-left:0}.reordering .menu-item-depth-1>.menu-item-bar{margin-left:15px}.reordering .menu-item-depth-2>.menu-item-bar{margin-left:30px}.reordering .menu-item-depth-3>.menu-item-bar{margin-left:45px}.reordering .menu-item-depth-4>.menu-item-bar{margin-left:60px}.reordering .menu-item-depth-5>.menu-item-bar{margin-left:75px}.reordering .menu-item-depth-6>.menu-item-bar{margin-left:90px}.reordering .menu-item-depth-7>.menu-item-bar{margin-left:105px}.reordering .menu-item-depth-8>.menu-item-bar{margin-left:120px}.reordering .menu-item-depth-9>.menu-item-bar{margin-left:135px}.reordering .menu-item-depth-10>.menu-item-bar{margin-left:150px}.reordering .menu-item-depth-11>.menu-item-bar{margin-left:165px}.control-section-nav_menu.open .menu{margin-top:0!important}.control-section-nav_menu .menu .menu-item-edit-active{margin-right:0}.control-section-nav_menu .menu .menu-item-edit-active .menu-item-bar{margin-left:0}.control-section-nav_menu .menu .sortable-placeholder{margin-top:0;margin-bottom:1px;max-width:-webkit-calc(100% - 2px);max-width:calc(100% - 2px);float:right;display:list-item;border-color:#a0a5aa}.menu-item-transport li.customize-control{float:none}.control-section-nav_menu .menu ul.menu-item-transport .menu-item-bar{margin-top:0}.wp-full-overlay-main{left:auto;width:100%}.adding-menu-items .control-section{opacity:.4}.adding-menu-items .control-panel.control-section,.adding-menu-items .control-section.open{opacity:1}#customize-theme-controls .add-new-menu-item{cursor:pointer;float:left;margin-right:10px;-webkit-transition:all .2s;transition:all .2s;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;outline:0}.add-new-menu-item:before{content:"\f132";display:inline-block;position:relative;right:-2px;top:-1px;font:400 20px/1 dashicons;vertical-align:middle;-webkit-transition:all .2s;transition:all .2s;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.add-menu-toggle.open,.add-menu-toggle.open:hover,.adding-menu-items .add-new-menu-item,.adding-menu-items .add-new-menu-item:hover{background:#eee;border-color:#929793;color:#32373c;-webkit-box-shadow:inset 0 2px 5px -3px rgba(0,0,0,.5);box-shadow:inset 0 2px 5px -3px rgba(0,0,0,.5)}#accordion-section-add_menu .add-new-menu-item.open:before,.adding-menu-items .add-new-menu-item:before{-webkit-transform:rotate(-45deg);-ms-transform:rotate(-45deg);transform:rotate(-45deg)}.menu-item-bar .item-delete{color:#a00;position:absolute;top:2px;left:-19px;width:30px;height:38px;cursor:pointer;display:none}.menu-item-bar .item-delete:before{content:"\f335";font:400 20px/1 dashicons;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;position:absolute;top:9px;right:5px}.ie8 .menu-item-bar .item-delete:before{top:-10px}.menu-item-bar .item-delete:focus,.menu-item-bar .item-delete:hover{color:red}.menu-item-bar .item-delete:focus{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}.adding-menu-items .menu-item-bar .item-edit{display:none}.adding-menu-items .menu-item-bar .item-delete{display:block}#available-menu-items .item{position:static}#available-menu-items{position:absolute;top:0;bottom:0;right:-301px;visibility:hidden;overflow:hidden;width:300px;margin:0;z-index:4;background:#eee;-webkit-transition:right .18s;transition:right .18s;border-left:1px solid #ddd}#available-menu-items.allow-scroll{overflow-y:auto}#available-menu-items .accordion-section-title{border-right:none;border-left:none;background:#fff}#available-menu-items .open .accordion-section-title{background:#eee}#available-menu-items .accordion-section-title:after{content:none!important}#available-menu-items .accordion-section-title .toggle-indicator{display:inline-block;font-size:20px;line-height:1}#available-menu-items .accordion-section-title .toggle-indicator:after{content:'\f140';font:400 20px/1 dashicons;color:#a0a5aa;vertical-align:top;speak:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important}#available-menu-items .accordion-section-title:hover .toggle-indicator:after{color:#777}#available-menu-items .open .accordion-section-title .toggle-indicator:after{content:'\f142'}button.not-a-button{background:0 0;border:none;-webkit-box-shadow:none;box-shadow:none;-webkit-border-radius:0;border-radius:0;outline:0;padding:0;margin:0}#available-menu-items .accordion-section-title 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.menu-item-tpl{margin:0}#custom-menu-item-name.invalid,#custom-menu-item-url.invalid,.menu-name-field.invalid,.menu-name-field.invalid:focus{border:1px solid red}#available-menu-items .item-tpl{position:relative;padding:20px 60px 20px 15px;border-bottom:1px solid #e4e4e4;cursor:pointer;display:none}#available-menu-items .item-tpl.selected,#available-menu-items .item-tpl:hover{background:#eee}#available-menu-items .menu-item-handle .item-type{padding-left:0}#available-menu-items .menu-item-handle .item-title{padding-right:20px}#available-menu-items .item-top,#available-menu-items .item-top:hover{border:none;background:0 0;-webkit-box-shadow:none;box-shadow:none}#available-menu-items .menu-item-handle{cursor:pointer;-webkit-box-shadow:none;box-shadow:none;margin-top:-1px}#available-menu-items .menu-item-handle:hover{z-index:1}#available-menu-items .item-title h4{padding:0 0 5px;font-size:14px}#available-menu-items .item-add{position:absolute;top:1px;right:1px;color:#82878c;width:30px;height:38px;cursor:pointer}#available-menu-items .menu-item-handle .item-add:focus{color:#23282d;-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#available-menu-items .item-add:before{content:"\f543";font:400 20px/1 dashicons;position:relative;right:2px;top:3px}#available-menu-items .menu-item-handle.item-added .item-add:focus,#available-menu-items .menu-item-handle.item-added .item-title,#available-menu-items .menu-item-handle.item-added .item-type,#available-menu-items .menu-item-handle.item-added:hover .item-add{color:#82878c}#available-menu-items .menu-item-handle.item-added .item-add:before{content:"\f147"}#available-menu-items .accordion-section-title.loading .spinner,#available-menu-items-search.loading .accordion-section-title .spinner{visibility:visible;margin:0 20px}#available-menu-items-search 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\ No newline at end of file
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.item-add:before{content:"\f147"}#available-menu-items .accordion-section-title.loading .spinner,#available-menu-items-search.loading .accordion-section-title .spinner{visibility:visible;margin:0 20px}#available-menu-items-search .clear-results{position:absolute;top:20px;left:20px;width:20px;height:20px;cursor:pointer;color:#a00;text-decoration:none}#available-menu-items-search .clear-results,#available-menu-items-search.loading .clear-results.is-visible{display:none}#available-menu-items-search .clear-results.is-visible{display:block}#available-menu-items-search .clear-results:before{content:"\f335";font:400 20px/1 dashicons;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#available-menu-items-search .clear-results:focus,#available-menu-items-search .clear-results:hover{color:red}#available-menu-items-search .clear-results:focus{box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#available-menu-items-search .clear-results:focus,.menu-delete:focus{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#available-menu-items-search .spinner{position:absolute;top:20px;margin:0!important;left:20px}#available-menu-items-search input{padding:6px 10px;width:100%}#available-menu-items-search .accordion-section-title{padding:12px 15px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}#available-menu-items-search .accordion-section-title:after{display:none}#available-menu-items-search .accordion-section-content:empty{min-height:0;padding:0}#available-menu-items-search.loading .accordion-section-content div{opacity:.5}#available-menu-items-search.loading.loading-more .accordion-section-content div{opacity:1}#customize-preview{-webkit-transition:all .2s;transition:all .2s}body.adding-menu-items #available-menu-items{right:0;visibility:visible}body.adding-menu-items .wp-full-overlay-main{right:300px}body.adding-menu-items #customize-preview{opacity:.4}.menu-item-handle .spinner{display:none;float:right;margin:0 0 0 8px}.nav-menu-inserted-item-loading .spinner{display:block}.nav-menu-inserted-item-loading .menu-item-handle .item-type{padding:0 8px 0 0}.added-menu-item .menu-item-handle.loading,.nav-menu-inserted-item-loading .menu-item-handle{padding:10px 8px 10px 15px;cursor:default;opacity:.5;background:#fff;color:#727773}.added-menu-item .menu-item-handle{-webkit-transition-property:opacity,background,color;transition-property:opacity,background,color;-webkit-transition-duration:1.25s;transition-duration:1.25s;-webkit-transition-timing-function:cubic-bezier(.25,-2.5,.75,8);transition-timing-function:cubic-bezier(.25,-2.5,.75,8)}#accordion-section-add_menu{margin:15px 12px}.new-menu-section-content{display:none;padding:15px 0 0;clear:both}#accordion-section-add_menu .accordion-section-title{padding-right:45px}#accordion-section-add_menu .accordion-section-title:before{font:400 20px/1 dashicons;position:absolute;top:12px;right:14px;content:"\f132"}#create-new-menu-submit{float:left;margin:0 0 12px}.menu-delete-item{display:block;float:right;padding:1em 0;width:100%}#available-menu-items .customize-section-title,li.assigned-to-menu-location .menu-delete-item{display:none}li.assigned-to-menu-location .add-new-menu-item{margin-bottom:1em}.menu-delete{color:#a00;cursor:pointer;text-decoration:underline}.menu-delete:focus,.menu-delete:hover{color:red;text-decoration:none}.menu-delete:focus{box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}.menu-item-handle{margin-top:-1px}.ui-sortable-disabled .menu-item-handle{cursor:default}.menu-item-handle:hover{position:relative;z-index:10;color:#0073aa}#available-menu-items .menu-item-handle:hover .item-add,.menu-item-handle:hover .item-edit,.menu-item-handle:hover .item-type{color:#0073aa}.menu-item-edit-active .menu-item-handle{border-color:#999;border-bottom:none}.customize-control-nav_menu_item{margin-bottom:0}.customize-control-nav_menu{margin-top:12px}@media screen and (max-width:640px){body.adding-menu-items div#available-menu-items{top:46px;right:0;z-index:10;width:100%}#available-menu-items .customize-section-title{display:block;margin:0}#available-menu-items .customize-section-back{height:69px}#available-menu-items .customize-section-title h3{font-size:20px;font-weight:200;padding:9px 14px 12px 10px;margin:0;line-height:24px;color:#555;display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}#available-menu-items .customize-section-title .customize-action{font-size:13px;display:block;font-weight:400;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}}
\ No newline at end of file
diff --git a/wp-admin/css/customize-nav-menus.css b/wp-admin/css/customize-nav-menus.css
index c5dc29c614..c6f7944bb4 100644
--- a/wp-admin/css/customize-nav-menus.css
+++ b/wp-admin/css/customize-nav-menus.css
@@ -590,7 +590,8 @@
 	bottom: 0;
 	left: -301px;
 	visibility: hidden;
-	overflow: hidden;
+	overflow-x: hidden;
+	overflow-y: auto;
 	width: 300px;
 	margin: 0;
 	z-index: 4;
@@ -600,8 +601,13 @@
 	border-right: 1px solid #ddd;
 }
 
-#available-menu-items.allow-scroll {
-	overflow-y: auto;
+#available-menu-items.opening {
+	overflow-y: hidden; /* avoid scrollbar jitter with animating heights */
+}
+
+#available-menu-items #available-menu-items-search.open {
+	height: 100%;
+	border-bottom: none;
 }
 
 #available-menu-items .accordion-section-title {
@@ -610,7 +616,8 @@
 	background: #fff;
 }
 
-#available-menu-items .open .accordion-section-title {
+#available-menu-items .open .accordion-section-title,
+#available-menu-items #available-menu-items-search .accordion-section-title {
 	background: #eee;
 }
 
@@ -702,6 +709,15 @@ button.not-a-button {
 	max-height: 290px;
 }
 
+#available-menu-items #available-menu-items-search .accordion-section-content {
+	position: absolute;
+	left: 1px;
+	top: 60px; /* below title div / search input */
+	bottom: 0px; /* 100% height that still triggers lazy load */
+	max-height: none;
+	width: 270px;
+}
+
 #available-menu-items .menu-item-tpl {
 	margin: 0;
 }
@@ -802,6 +818,43 @@ button.not-a-button {
 	margin: 0 20px;
 }
 
+#available-menu-items-search .clear-results {
+	position: absolute;
+	top: 20px;
+	right: 20px;
+	width: 20px;
+	height: 20px;
+	cursor: pointer;
+	color: #a00;
+	text-decoration: none;
+}
+
+#available-menu-items-search .clear-results,
+#available-menu-items-search.loading .clear-results.is-visible {
+	display: none;
+}
+
+#available-menu-items-search .clear-results.is-visible {
+	display: block;
+}
+
+#available-menu-items-search .clear-results:before {
+	content: "\f335";
+	font: normal 20px/1 dashicons;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#available-menu-items-search .clear-results:hover,
+#available-menu-items-search .clear-results:focus {
+	color: #f00;
+}
+
+#available-menu-items-search .clear-results:focus {
+	-webkit-box-shadow: 0 0 0 1px #5b9dd9, 0 0 2px 1px rgba(30, 140, 190, .8);
+	box-shadow: 0 0 0 1px #5b9dd9, 0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
 #available-menu-items-search .spinner {
 	position: absolute;
 	top: 20px;
diff --git a/wp-admin/css/customize-nav-menus.min.css b/wp-admin/css/customize-nav-menus.min.css
index cd747de18c..b0fed8a509 100644
--- a/wp-admin/css/customize-nav-menus.min.css
+++ b/wp-admin/css/customize-nav-menus.min.css
@@ -1 +1 @@
-#accordion-section-menu_locations{position:relative;margin-bottom:15px}.menu-in-location,.menu-in-locations{display:block;font-weight:600;font-size:10px}#customize-controls .control-section .accordion-section-title:focus .menu-in-location,#customize-controls .control-section .accordion-section-title:focus .menu-in-locations,#customize-controls .control-section .accordion-section-title:hover .menu-in-location,#customize-controls .control-section .accordion-section-title:hover .menu-in-locations,#customize-controls .theme-location-set{color:#555}.wp-customizer .menu-item-bar .menu-item-handle,.wp-customizer .menu-item-settings,.wp-customizer .menu-item-settings .description-thin{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.wp-customizer .menu-item-bar{margin:0}.wp-customizer .menu-item-bar .menu-item-handle{width:100%;background:#fff}.wp-customizer .menu-item-handle .item-title{margin-right:0}.wp-customizer .menu-item-handle .item-type{padding:1px 21px 0 5px;float:right;text-align:right}.wp-customizer .menu-item-settings{max-width:100%;overflow:hidden;padding:10px;background:#eee;border:1px solid #999;border-top:none}.wp-customizer .menu-item-settings .description-thin{width:100%;height:auto;margin:0 0 8px}.wp-customizer .menu-item-settings input[type=text]{width:100%}.wp-customizer .menu-item-settings .submitbox{margin:0;padding:0}.wp-customizer .menu-item-settings .link-to-original{padding:5px 0;border:none;font-style:normal;margin:0;width:100%}.wp-customizer .menu-item .submitbox .submitdelete{display:block;float:left;margin:6px 0 0;padding:0;cursor:pointer}.wp-customizer .menu-item .submitbox .submitdelete:focus{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#customize-theme-controls .reorder-done,#customize-theme-controls .reordering .reorder{display:none}#customize-theme-controls .reorder,#customize-theme-controls .reordering .reorder-done{display:inline-block;padding:5px 8px}.menu-item-reorder-nav{display:none;background-color:#fff;position:absolute;top:0;right:0}#customize-theme-controls .reordering .add-new-menu-item{opacity:.2;pointer-events:none;cursor:not-allowed}.menu-item-reorder-nav button{position:relative;overflow:hidden;float:left;display:block;width:30px;height:40px;color:#82878c;text-indent:-9999px;cursor:pointer;background:0 0;border:none;-webkit-box-shadow:none;box-shadow:none;outline:0}.menu-item-reorder-nav button:before{display:inline-block;position:absolute;top:0;right:0;width:100%;height:100%;font:400 20px/40px dashicons;text-align:center;text-indent:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.menu-item-reorder-nav button:focus,.menu-item-reorder-nav button:hover{color:#191e23;background:#eee}.menus-move-down:before{content:'\f347'}.menus-move-up:before{content:'\f343'}.menus-move-left:before{content:'\f341'}.menus-move-right:before{content:'\f345'}.move-down-disabled .menus-move-down,.move-left-disabled .menus-move-left,.move-right-disabled .menus-move-right,.move-up-disabled .menus-move-up{color:#d5d5d5!important;background-color:#fff!important;cursor:default;pointer-events:none}.menu-item-reorder-nav:before{content:"";display:block;position:absolute;left:-10px;width:10px;height:40px;background:-webkit-linear-gradient(left,rgba(250,250,250,0) 0,rgba(250,250,250,1) 100%);background:-webkit-gradient(linear,left top,right top,from(rgba(250,250,250,0)),to(rgba(250,250,250,1)));background:-webkit-linear-gradient(left,rgba(250,250,250,0) 0,rgba(250,250,250,1) 100%);background:linear-gradient(to right,rgba(250,250,250,0) 0,rgba(250,250,250,1) 100%)}.reordering .menu-item .item-controls,.reordering .menu-item .item-type{display:none}.reordering .menu-item-reorder-nav{display:block}.customize-control input.menu-name-field{width:100%;margin:12px 0}.wp-customizer .menu-item .item-edit{position:absolute;right:-19px;top:2px;display:block;width:30px;height:38px;margin-right:0!important;outline:0;overflow:hidden;cursor:pointer}.customize-control-nav_menu_item .item-edit:focus{color:#0073aa;-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}.wp-customizer .menu-item .item-edit .toggle-indicator{display:inline-block;font-size:20px;line-height:1}.wp-customizer .menu-item .item-edit .toggle-indicator:after{content:'\f140';font:400 20px/1 dashicons;color:#a0a5aa;vertical-align:top;speak:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important}.wp-customizer .menu-item.menu-item-edit-active .item-edit .toggle-indicator:after{content:'\f142'}.wp-customizer .menu-item-settings p.description{font-style:normal}.wp-customizer .menu-settings dl{margin:12px 0 0;padding:0}.wp-customizer .menu-settings .checkbox-input{margin-top:8px}.wp-customizer .menu-settings .menu-theme-locations{border-top:1px solid #ccc}.wp-customizer .menu-settings{margin-top:36px;border-top:none}.menu-settings .customize-control-checkbox label{line-height:1}.menu-settings .customize-control.customize-control-checkbox{margin-bottom:8px}.customize-control-menu{margin-top:4px}#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle{color:#555}.customize-screen-options-toggle{background:0 0;border:none;color:#555;cursor:pointer;margin:0;padding:20px;position:absolute;right:0;top:30px}#customize-controls .customize-info .customize-help-toggle{padding:20px}#customize-controls .customize-info .customize-help-toggle:before{padding:4px}#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:active,#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:focus,#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:hover,.active-menu-screen-options .customize-screen-options-toggle,.customize-screen-options-toggle:active,.customize-screen-options-toggle:focus,.customize-screen-options-toggle:hover{color:#0073aa}#customize-controls .customize-info .customize-help-toggle:focus,.customize-screen-options-toggle:focus{outline:0}.customize-screen-options-toggle:before{-moz-osx-font-smoothing:grayscale;border:none;content:"\f111";display:block;font:18px/1 dashicons;padding:5px;text-align:center;text-decoration:none!important;text-indent:0;left:6px;position:absolute;top:6px}#customize-controls .customize-info .customize-help-toggle:focus:before,.customize-screen-options-toggle:focus:before{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);-webkit-border-radius:100%;border-radius:100%}.wp-customizer #screen-options-wrap{display:none;background:#fff;border-top:1px solid #ddd;padding:4px 15px 0}.wp-customizer .metabox-prefs label{display:block;padding-right:0;line-height:30px}#accordion-panel-nav_menus .field-attr-title,#accordion-panel-nav_menus .field-css-classes,#accordion-panel-nav_menus .field-description,#accordion-panel-nav_menus .field-link-target,#accordion-panel-nav_menus .field-xfn{display:none}#accordion-panel-nav_menus.field-attr-title-active .field-attr-title,#accordion-panel-nav_menus.field-css-classes-active .field-css-classes,#accordion-panel-nav_menus.field-description-active .field-description,#accordion-panel-nav_menus.field-link-target-active .field-link-target,#accordion-panel-nav_menus.field-xfn-active .field-xfn{display:block}.menu-item-depth-0{margin-left:0}.menu-item-depth-1{margin-left:20px}.menu-item-depth-2{margin-left:40px}.menu-item-depth-3{margin-left:60px}.menu-item-depth-4{margin-left:80px}.menu-item-depth-5{margin-left:100px}.menu-item-depth-6{margin-left:120px}.menu-item-depth-7{margin-left:140px}.menu-item-depth-8{margin-left:160px}.menu-item-depth-9{margin-left:180px}.menu-item-depth-10{margin-left:200px}.menu-item-depth-11{margin-left:220px}.menu-item-depth-0>.menu-item-bar{margin-right:0}.menu-item-depth-1>.menu-item-bar{margin-right:20px}.menu-item-depth-2>.menu-item-bar{margin-right:40px}.menu-item-depth-3>.menu-item-bar{margin-right:60px}.menu-item-depth-4>.menu-item-bar{margin-right:80px}.menu-item-depth-5>.menu-item-bar{margin-right:100px}.menu-item-depth-6>.menu-item-bar{margin-right:120px}.menu-item-depth-7>.menu-item-bar{margin-right:140px}.menu-item-depth-8>.menu-item-bar{margin-right:160px}.menu-item-depth-9>.menu-item-bar{margin-right:180px}.menu-item-depth-10>.menu-item-bar{margin-right:200px}.menu-item-depth-11>.menu-item-bar{margin-right:220px}.menu-item-depth-0 .menu-item-transport{margin-left:0}.menu-item-depth-1 .menu-item-transport{margin-left:-20px}.menu-item-depth-3 .menu-item-transport{margin-left:-60px}.menu-item-depth-4 .menu-item-transport{margin-left:-80px}.menu-item-depth-2 .menu-item-transport{margin-left:-40px}.menu-item-depth-5 .menu-item-transport{margin-left:-100px}.menu-item-depth-6 .menu-item-transport{margin-left:-120px}.menu-item-depth-7 .menu-item-transport{margin-left:-140px}.menu-item-depth-8 .menu-item-transport{margin-left:-160px}.menu-item-depth-9 .menu-item-transport{margin-left:-180px}.menu-item-depth-10 .menu-item-transport{margin-left:-200px}.menu-item-depth-11 .menu-item-transport{margin-left:-220px}.reordering .menu-item-depth-0{margin-left:0}.reordering .menu-item-depth-1{margin-left:15px}.reordering .menu-item-depth-2{margin-left:30px}.reordering .menu-item-depth-3{margin-left:45px}.reordering .menu-item-depth-4{margin-left:60px}.reordering .menu-item-depth-5{margin-left:75px}.reordering .menu-item-depth-6{margin-left:90px}.reordering .menu-item-depth-7{margin-left:105px}.reordering .menu-item-depth-8{margin-left:120px}.reordering .menu-item-depth-9{margin-left:135px}.reordering .menu-item-depth-10{margin-left:150px}.reordering .menu-item-depth-11{margin-left:165px}.reordering .menu-item-depth-0>.menu-item-bar{margin-right:0}.reordering .menu-item-depth-1>.menu-item-bar{margin-right:15px}.reordering .menu-item-depth-2>.menu-item-bar{margin-right:30px}.reordering .menu-item-depth-3>.menu-item-bar{margin-right:45px}.reordering .menu-item-depth-4>.menu-item-bar{margin-right:60px}.reordering .menu-item-depth-5>.menu-item-bar{margin-right:75px}.reordering .menu-item-depth-6>.menu-item-bar{margin-right:90px}.reordering .menu-item-depth-7>.menu-item-bar{margin-right:105px}.reordering .menu-item-depth-8>.menu-item-bar{margin-right:120px}.reordering .menu-item-depth-9>.menu-item-bar{margin-right:135px}.reordering .menu-item-depth-10>.menu-item-bar{margin-right:150px}.reordering .menu-item-depth-11>.menu-item-bar{margin-right:165px}.control-section-nav_menu.open .menu{margin-top:0!important}.control-section-nav_menu .menu .menu-item-edit-active{margin-left:0}.control-section-nav_menu .menu .menu-item-edit-active .menu-item-bar{margin-right:0}.control-section-nav_menu .menu .sortable-placeholder{margin-top:0;margin-bottom:1px;max-width:-webkit-calc(100% - 2px);max-width:calc(100% - 2px);float:left;display:list-item;border-color:#a0a5aa}.menu-item-transport li.customize-control{float:none}.control-section-nav_menu .menu ul.menu-item-transport .menu-item-bar{margin-top:0}.wp-full-overlay-main{right:auto;width:100%}.adding-menu-items .control-section{opacity:.4}.adding-menu-items .control-panel.control-section,.adding-menu-items .control-section.open{opacity:1}#customize-theme-controls .add-new-menu-item{cursor:pointer;float:right;margin-left:10px;-webkit-transition:all .2s;transition:all .2s;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;outline:0}.add-new-menu-item:before{content:"\f132";display:inline-block;position:relative;left:-2px;top:-1px;font:400 20px/1 dashicons;vertical-align:middle;-webkit-transition:all .2s;transition:all .2s;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.add-menu-toggle.open,.add-menu-toggle.open:hover,.adding-menu-items .add-new-menu-item,.adding-menu-items .add-new-menu-item:hover{background:#eee;border-color:#929793;color:#32373c;-webkit-box-shadow:inset 0 2px 5px -3px rgba(0,0,0,.5);box-shadow:inset 0 2px 5px -3px rgba(0,0,0,.5)}#accordion-section-add_menu .add-new-menu-item.open:before,.adding-menu-items .add-new-menu-item:before{-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);transform:rotate(45deg)}.menu-item-bar .item-delete{color:#a00;position:absolute;top:2px;right:-19px;width:30px;height:38px;cursor:pointer;display:none}.menu-item-bar 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\ No newline at end of file
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.item-delete:before{content:"\f335";font:400 20px/1 dashicons;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;position:absolute;top:9px;left:5px}.ie8 .menu-item-bar .item-delete:before{top:-10px}.menu-item-bar .item-delete:focus,.menu-item-bar .item-delete:hover{color:red}.menu-item-bar .item-delete:focus{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}.adding-menu-items .menu-item-bar .item-edit{display:none}.adding-menu-items .menu-item-bar .item-delete{display:block}#available-menu-items .item{position:static}#available-menu-items{position:absolute;top:0;bottom:0;left:-301px;visibility:hidden;overflow-x:hidden;overflow-y:auto;width:300px;margin:0;z-index:4;background:#eee;-webkit-transition:left .18s;transition:left .18s;border-right:1px solid #ddd}#available-menu-items.opening{overflow-y:hidden}#available-menu-items #available-menu-items-search.open{height:100%;border-bottom:none}#available-menu-items .accordion-section-title{border-left:none;border-right:none;background:#fff}#available-menu-items #available-menu-items-search .accordion-section-title,#available-menu-items .open .accordion-section-title{background:#eee}#available-menu-items .accordion-section-title:after{content:none!important}#available-menu-items .accordion-section-title .toggle-indicator{display:inline-block;font-size:20px;line-height:1}#available-menu-items .accordion-section-title .toggle-indicator:after{content:'\f140';font:400 20px/1 dashicons;color:#a0a5aa;vertical-align:top;speak:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important}#available-menu-items .accordion-section-title:hover .toggle-indicator:after{color:#777}#available-menu-items .open .accordion-section-title .toggle-indicator:after{content:'\f142'}button.not-a-button{background:0 0;border:none;-webkit-box-shadow:none;box-shadow:none;-webkit-border-radius:0;border-radius:0;outline:0;padding:0;margin:0}#available-menu-items .accordion-section-title button{display:block;width:28px;height:35px;position:absolute;top:5px;right:5px;cursor:pointer}#available-menu-items .accordion-section-title button:focus{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#available-menu-items .accordion-section-title .no-items,#available-menu-items .cannot-expand .accordion-section-title .spinner,#available-menu-items .cannot-expand .accordion-section-title>button{display:none}#available-menu-items-search.cannot-expand .accordion-section-title .spinner{display:block}#available-menu-items .cannot-expand .accordion-section-title .no-items{display:block;color:#777;font-weight:400;float:right;margin-left:5px}#available-menu-items .accordion-section-content{overflow-y:auto;background:0 0;padding:1px 15px 15px;margin:0;min-height:120px;max-height:290px}#available-menu-items #available-menu-items-search .accordion-section-content{position:absolute;left:1px;top:60px;bottom:0;max-height:none;width:270px}#available-menu-items .menu-item-tpl{margin:0}#custom-menu-item-name.invalid,#custom-menu-item-url.invalid,.menu-name-field.invalid,.menu-name-field.invalid:focus{border:1px solid red}#available-menu-items .item-tpl{position:relative;padding:20px 15px 20px 60px;border-bottom:1px solid #e4e4e4;cursor:pointer;display:none}#available-menu-items .item-tpl.selected,#available-menu-items .item-tpl:hover{background:#eee}#available-menu-items .menu-item-handle .item-type{padding-right:0}#available-menu-items .menu-item-handle .item-title{padding-left:20px}#available-menu-items .item-top,#available-menu-items .item-top:hover{border:none;background:0 0;-webkit-box-shadow:none;box-shadow:none}#available-menu-items .menu-item-handle{cursor:pointer;-webkit-box-shadow:none;box-shadow:none;margin-top:-1px}#available-menu-items .menu-item-handle:hover{z-index:1}#available-menu-items .item-title h4{padding:0 0 5px;font-size:14px}#available-menu-items .item-add{position:absolute;top:1px;left:1px;color:#82878c;width:30px;height:38px;cursor:pointer}#available-menu-items .menu-item-handle .item-add:focus{color:#23282d;-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#available-menu-items .item-add:before{content:"\f543";font:400 20px/1 dashicons;position:relative;left:2px;top:3px}#available-menu-items .menu-item-handle.item-added .item-add:focus,#available-menu-items .menu-item-handle.item-added .item-title,#available-menu-items .menu-item-handle.item-added .item-type,#available-menu-items .menu-item-handle.item-added:hover .item-add{color:#82878c}#available-menu-items .menu-item-handle.item-added .item-add:before{content:"\f147"}#available-menu-items .accordion-section-title.loading .spinner,#available-menu-items-search.loading .accordion-section-title .spinner{visibility:visible;margin:0 20px}#available-menu-items-search .clear-results{position:absolute;top:20px;right:20px;width:20px;height:20px;cursor:pointer;color:#a00;text-decoration:none}#available-menu-items-search .clear-results,#available-menu-items-search.loading .clear-results.is-visible{display:none}#available-menu-items-search .clear-results.is-visible{display:block}#available-menu-items-search .clear-results:before{content:"\f335";font:400 20px/1 dashicons;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#available-menu-items-search .clear-results:focus,#available-menu-items-search .clear-results:hover{color:red}#available-menu-items-search .clear-results:focus{box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#available-menu-items-search .clear-results:focus,.menu-delete:focus{-webkit-box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}#available-menu-items-search .spinner{position:absolute;top:20px;margin:0!important;right:20px}#available-menu-items-search input{padding:6px 10px;width:100%}#available-menu-items-search .accordion-section-title{padding:12px 15px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}#available-menu-items-search .accordion-section-title:after{display:none}#available-menu-items-search .accordion-section-content:empty{min-height:0;padding:0}#available-menu-items-search.loading .accordion-section-content div{opacity:.5}#available-menu-items-search.loading.loading-more .accordion-section-content div{opacity:1}#customize-preview{-webkit-transition:all .2s;transition:all .2s}body.adding-menu-items #available-menu-items{left:0;visibility:visible}body.adding-menu-items .wp-full-overlay-main{left:300px}body.adding-menu-items #customize-preview{opacity:.4}.menu-item-handle .spinner{display:none;float:left;margin:0 8px 0 0}.nav-menu-inserted-item-loading .spinner{display:block}.nav-menu-inserted-item-loading .menu-item-handle .item-type{padding:0 0 0 8px}.added-menu-item .menu-item-handle.loading,.nav-menu-inserted-item-loading .menu-item-handle{padding:10px 15px 10px 8px;cursor:default;opacity:.5;background:#fff;color:#727773}.added-menu-item .menu-item-handle{-webkit-transition-property:opacity,background,color;transition-property:opacity,background,color;-webkit-transition-duration:1.25s;transition-duration:1.25s;-webkit-transition-timing-function:cubic-bezier(.25,-2.5,.75,8);transition-timing-function:cubic-bezier(.25,-2.5,.75,8)}#accordion-section-add_menu{margin:15px 12px}.new-menu-section-content{display:none;padding:15px 0 0;clear:both}#accordion-section-add_menu .accordion-section-title{padding-left:45px}#accordion-section-add_menu .accordion-section-title:before{font:400 20px/1 dashicons;position:absolute;top:12px;left:14px;content:"\f132"}#create-new-menu-submit{float:right;margin:0 0 12px}.menu-delete-item{display:block;float:left;padding:1em 0;width:100%}#available-menu-items .customize-section-title,li.assigned-to-menu-location .menu-delete-item{display:none}li.assigned-to-menu-location .add-new-menu-item{margin-bottom:1em}.menu-delete{color:#a00;cursor:pointer;text-decoration:underline}.menu-delete:focus,.menu-delete:hover{color:red;text-decoration:none}.menu-delete:focus{box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8)}.menu-item-handle{margin-top:-1px}.ui-sortable-disabled .menu-item-handle{cursor:default}.menu-item-handle:hover{position:relative;z-index:10;color:#0073aa}#available-menu-items .menu-item-handle:hover .item-add,.menu-item-handle:hover .item-edit,.menu-item-handle:hover .item-type{color:#0073aa}.menu-item-edit-active .menu-item-handle{border-color:#999;border-bottom:none}.customize-control-nav_menu_item{margin-bottom:0}.customize-control-nav_menu{margin-top:12px}@media screen and (max-width:640px){body.adding-menu-items div#available-menu-items{top:46px;left:0;z-index:10;width:100%}#available-menu-items .customize-section-title{display:block;margin:0}#available-menu-items .customize-section-back{height:69px}#available-menu-items .customize-section-title h3{font-size:20px;font-weight:200;padding:9px 10px 12px 14px;margin:0;line-height:24px;color:#555;display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}#available-menu-items .customize-section-title .customize-action{font-size:13px;display:block;font-weight:400;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}}
\ No newline at end of file
diff --git a/wp-admin/js/accordion.js b/wp-admin/js/accordion.js
index 990a2421b6..af6281546f 100644
--- a/wp-admin/js/accordion.js
+++ b/wp-admin/js/accordion.js
@@ -54,7 +54,8 @@
 	function accordionSwitch ( el ) {
 		var section = el.closest( '.accordion-section' ),
 			sectionToggleControl = section.find( '[aria-expanded]' ).first(),
-			siblings = section.closest( '.accordion-container' ).find( '.open' ),
+			container = section.closest( '.accordion-container' ),
+			siblings = container.find( '.open' ),
 			siblingsToggleControl = siblings.find( '[aria-expanded]' ).first(),
 			content = section.find( '.accordion-section-content' );
 
@@ -63,6 +64,10 @@
 			return;
 		}
 
+		// Add a class to the container to let us know something is happening inside.
+		// This helps in cases such as hiding a scrollbar while animations are executing.
+		container.addClass( 'opening' );
+
 		if ( section.hasClass( 'open' ) ) {
 			section.toggleClass( 'open' );
 			content.toggle( true ).slideToggle( 150 );
@@ -74,6 +79,11 @@
 			section.toggleClass( 'open' );
 		}
 
+		// We have to wait for the animations to finish
+		setTimeout(function(){
+		    container.removeClass( 'opening' );
+		}, 150);
+
 		// If there's an element with an aria-expanded attribute, assume it's a toggle control and toggle the aria-expanded value.
 		if ( sectionToggleControl ) {
 			sectionToggleControl.attr( 'aria-expanded', String( sectionToggleControl.attr( 'aria-expanded' ) === 'false' ) );
diff --git a/wp-admin/js/accordion.min.js b/wp-admin/js/accordion.min.js
index c8a2f1c327..cb2ae15322 100644
--- a/wp-admin/js/accordion.min.js
+++ b/wp-admin/js/accordion.min.js
@@ -1 +1 @@
-!function(a){function b(a){var b=a.closest(".accordion-section"),c=b.find("[aria-expanded]").first(),d=b.closest(".accordion-container").find(".open"),e=d.find("[aria-expanded]").first(),f=b.find(".accordion-section-content");b.hasClass("cannot-expand")||(b.hasClass("open")?(b.toggleClass("open"),f.toggle(!0).slideToggle(150)):(e.attr("aria-expanded","false"),d.removeClass("open"),d.find(".accordion-section-content").show().slideUp(150),f.toggle(!1).slideToggle(150),b.toggleClass("open")),c&&c.attr("aria-expanded",String("false"===c.attr("aria-expanded"))))}a(document).ready(function(){a(".accordion-container").on("click keydown",".accordion-section-title",function(c){("keydown"!==c.type||13===c.which)&&(c.preventDefault(),b(a(this)))})})}(jQuery);
\ No newline at end of file
+!function(a){function b(a){var b=a.closest(".accordion-section"),c=b.find("[aria-expanded]").first(),d=b.closest(".accordion-container"),e=d.find(".open"),f=e.find("[aria-expanded]").first(),g=b.find(".accordion-section-content");b.hasClass("cannot-expand")||(d.addClass("opening"),b.hasClass("open")?(b.toggleClass("open"),g.toggle(!0).slideToggle(150)):(f.attr("aria-expanded","false"),e.removeClass("open"),e.find(".accordion-section-content").show().slideUp(150),g.toggle(!1).slideToggle(150),b.toggleClass("open")),setTimeout(function(){d.removeClass("opening")},150),c&&c.attr("aria-expanded",String("false"===c.attr("aria-expanded"))))}a(document).ready(function(){a(".accordion-container").on("click keydown",".accordion-section-title",function(c){("keydown"!==c.type||13===c.which)&&(c.preventDefault(),b(a(this)))})})}(jQuery);
\ No newline at end of file
diff --git a/wp-admin/js/customize-nav-menus.js b/wp-admin/js/customize-nav-menus.js
index 76a1d60157..e0899f4d7d 100644
--- a/wp-admin/js/customize-nav-menus.js
+++ b/wp-admin/js/customize-nav-menus.js
@@ -96,7 +96,6 @@
 		events: {
 			'input #menu-items-search': 'debounceSearch',
 			'keyup #menu-items-search': 'debounceSearch',
-			'click #menu-items-search': 'debounceSearch',
 			'focus .menu-item-tpl': 'focus',
 			'click .menu-item-tpl': '_submit',
 			'click #custom-menu-item-submit': '_submitLink',
@@ -138,6 +137,20 @@
 				}
 			} );
 
+			// Clear the search results.
+			$( '.clear-results' ).on( 'click keydown', function( event ) {
+				console.log(event);
+				if ( event.type === 'keydown' && ( 13 !== event.which && 32 !== event.which ) ) { // "return" or "space" keys only
+					return;
+				}
+
+				event.preventDefault();
+
+				$( '#menu-items-search' ).val( '' ).focus();
+				event.target.value = '';
+				self.search( event );
+			} );
+
 			this.$el.on( 'input', '#custom-menu-item-name.invalid, #custom-menu-item-url.invalid', function() {
 				$( this ).removeClass( 'invalid' );
 			});
@@ -176,25 +189,31 @@
 		// Search input change handler.
 		search: function( event ) {
 			var $searchSection = $( '#available-menu-items-search' ),
-				$openSections = $( '#available-menu-items .accordion-section.open' );
+				$otherSections = $( '#available-menu-items .accordion-section' ).not( $searchSection );
 
 			if ( ! event ) {
 				return;
 			}
-			// Manual accordion-opening behavior.
-			if ( this.searchTerm && ! $searchSection.hasClass( 'open' ) ) {
-				$openSections.find( '.accordion-section-content' ).slideUp( 'fast' );
-				$searchSection.find( '.accordion-section-content' ).slideDown( 'fast' );
-				$openSections.find( '[aria-expanded]' ).first().attr( 'aria-expanded', 'false' );
-				$openSections.removeClass( 'open' );
-				$searchSection.addClass( 'open' );
-			}
-			if ( '' === event.target.value ) {
-				$searchSection.removeClass( 'open' );
-			}
+
 			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' );
+				$searchSection.find( '.clear-results' )
+					.prop( 'tabIndex', 0 )
+					.addClass( 'is-visible' );
+			} else if ( '' === event.target.value ) {
+				$searchSection.removeClass( 'open' );
+				$otherSections.show();
+				$searchSection.find( '.clear-results' )
+					.prop( 'tabIndex', -1 )
+					.removeClass( 'is-visible' );
+			}
+			
 			this.searchTerm = event.target.value;
 			this.pages.search = 1;
 			this.doSearch( 1 );
@@ -351,8 +370,6 @@
 			diff = totalHeight - accordionHeight;
 			if ( 120 < diff && 290 > diff ) {
 				sections.css( 'max-height', diff );
-			} else if ( 120 >= diff ) {
-				this.$el.addClass( 'allow-scroll' );
 			}
 		},
 
diff --git a/wp-admin/js/customize-nav-menus.min.js b/wp-admin/js/customize-nav-menus.min.js
index 0c1ea8a946..2af7aa8d7d 100644
--- a/wp-admin/js/customize-nav-menus.min.js
+++ b/wp-admin/js/customize-nav-menus.min.js
@@ -1,2 +1,2 @@
-!function(a,b,c){"use strict";function d(a){return"nav_menu_item["+a+"]"}function e(b){return b=b||"",b=c("<div>").text(b).html(),b=c.trim(b),b||a.Menus.data.l10n.unnamed}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()},a.Menus=a.Menus||{},a.Menus.data={nonce:"",itemTypes:[],l10n:{},menuItemTransport:"postMessage",phpIntMax:0,defaultSettingValues:{nav_menu:{},nav_menu_item:{}}},"undefined"!=typeof _wpCustomizeNavMenusSettings&&c.extend(a.Menus.data,_wpCustomizeNavMenusSettings),a.Menus.generatePlaceholderAutoIncrementId=function(){return-Math.ceil(a.Menus.data.phpIntMax*Math.random())},a.Menus.AvailableItemModel=Backbone.Model.extend(c.extend({id:null},a.Menus.data.defaultSettingValues.nav_menu_item)),a.Menus.AvailableItemCollection=Backbone.Collection.extend({model:a.Menus.AvailableItemModel,sort_key:"order",comparator:function(a){return-a.get(this.sort_key)},sortByField:function(a){this.sort_key=a,this.sort()}}),a.Menus.availableMenuItems=new a.Menus.AvailableItemCollection(a.Menus.data.availableMenuItems),a.Menus.AvailableMenuItemsPanelView=b.Backbone.View.extend({el:"#available-menu-items",events:{"input #menu-items-search":"debounceSearch","keyup #menu-items-search":"debounceSearch","click #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",keydown:"keyboardAccessible"},selected:null,currentMenuControl:null,debounceSearch:null,$search:null,searchTerm:"",rendered:!1,pages:{},sectionContent:"",loading:!1,initialize:function(){var b=this;this.$search=c("#menu-items-search"),this.sectionContent=this.$el.find(".accordion-section-content"),this.debounceSearch=_.debounce(b.search,500),_.bindAll(this,"close"),c("#customize-controls, .customize-section-back").on("click keydown",function(a){var d=c(a.target).is(".item-delete, .item-delete *"),e=c(a.target).is(".add-new-menu-item, .add-new-menu-item *");!c("body").hasClass("adding-menu-items")||d||e||b.close()}),this.$el.on("input","#custom-menu-item-name.invalid, #custom-menu-item-url.invalid",function(){c(this).removeClass("invalid")}),a.panel("nav_menus").container.bind("expanded",function(){b.rendered||(b.initList(),b.rendered=!0)}),this.sectionContent.scroll(function(){var a=b.$el.find(".accordion-section.open .accordion-section-content").prop("scrollHeight"),d=b.$el.find(".accordion-section.open").height();if(!b.loading&&c(this).scrollTop()>.75*a-d){var e=c(this).data("type"),f=c(this).data("object");"search"===e?b.searchTerm&&b.doSearch(b.pages.search):b.loadItems(e,f)}}),a.previewer.bind("url",this.close)},search:function(a){var b=c("#available-menu-items-search"),d=c("#available-menu-items .accordion-section.open");a&&(this.searchTerm&&!b.hasClass("open")&&(d.find(".accordion-section-content").slideUp("fast"),b.find(".accordion-section-content").slideDown("fast"),d.find("[aria-expanded]").first().attr("aria-expanded","false"),d.removeClass("open"),b.addClass("open")),""===a.target.value&&b.removeClass("open"),this.searchTerm!==a.target.value&&(this.searchTerm=a.target.value,this.pages.search=1,this.doSearch(1)))},doSearch:function(d){var e,f=this,g=c("#available-menu-items-search"),h=g.find(".accordion-section-content"),i=b.template("available-menu-item");if(f.currentRequest&&f.currentRequest.abort(),!(0>d)){if(d>1)g.addClass("loading-more"),h.attr("aria-busy","true"),b.a11y.speak(a.Menus.data.l10n.itemsLoadingMore);else if(""===f.searchTerm)return h.html(""),void b.a11y.speak("");g.addClass("loading"),f.loading=!0,e={"customize-menus-nonce":a.Menus.data.nonce,wp_customize:"on",search:f.searchTerm,page:d},f.currentRequest=b.ajax.post("search-available-menu-items-customizer",e),f.currentRequest.done(function(c){var e;1===d&&h.empty(),g.removeClass("loading loading-more"),h.attr("aria-busy","false"),g.addClass("open"),f.loading=!1,e=new a.Menus.AvailableItemCollection(c.items),f.collection.add(e.models),e.each(function(a){h.append(i(a.attributes))}),20>e.length?f.pages.search=-1:f.pages.search=f.pages.search+1,e&&d>1?b.a11y.speak(a.Menus.data.l10n.itemsFoundMore.replace("%d",e.length)):e&&1===d&&b.a11y.speak(a.Menus.data.l10n.itemsFound.replace("%d",e.length))}),f.currentRequest.fail(function(a){a.message&&(h.empty().append(c('<p class="nothing-found"></p>').text(a.message)),b.a11y.speak(a.message)),f.pages.search=-1}),f.currentRequest.always(function(){g.removeClass("loading loading-more"),h.attr("aria-busy","false"),f.loading=!1,f.currentRequest=null})}},initList:function(){var b=this;_.each(a.Menus.data.itemTypes,function(a){b.pages[a.type+":"+a.object]=0,b.loadItems(a.type,a.object)})},loadItems:function(d,e){var f,g,h,i,j=this;h=b.template("available-menu-item"),-1!==j.pages[d+":"+e]&&(i=c("#available-menu-items-"+d+"-"+e),i.find(".accordion-section-title").addClass("loading"),j.loading=!0,f={"customize-menus-nonce":a.Menus.data.nonce,wp_customize:"on",type:d,object:e,page:j.pages[d+":"+e]},g=b.ajax.post("load-available-menu-items-customizer",f),g.done(function(b){var c,f;return c=b.items,0===c.length?(0===j.pages[d+":"+e]&&i.addClass("cannot-expand").removeClass("loading").find(".accordion-section-title > button").prop("tabIndex",-1),void(j.pages[d+":"+e]=-1)):(c=new a.Menus.AvailableItemCollection(c),j.collection.add(c.models),f=i.find(".accordion-section-content"),c.each(function(a){f.append(h(a.attributes))}),void(j.pages[d+":"+e]+=1))}),g.fail(function(a){"undefined"!=typeof console&&console.error&&console.error(a)}),g.always(function(){i.find(".accordion-section-title").removeClass("loading"),j.loading=!1}))},itemSectionHeight:function(){var a,b,c,d;b=window.innerHeight,a=this.$el.find(".accordion-section-content"),c=46*(1+a.length)-16,d=b-c,d>120&&290>d?a.css("max-height",d):120>=d&&this.$el.addClass("allow-scroll")},select:function(a){this.selected=c(a),this.selected.siblings(".menu-item-tpl").removeClass("selected"),this.selected.addClass("selected")},focus:function(a){this.select(c(a.currentTarget))},_submit:function(a){("keypress"!==a.type||13===a.which||32===a.which)&&this.submit(c(a.currentTarget))},submit:function(a){var b,d;a||(a=this.selected),a&&this.currentMenuControl&&(this.select(a),b=c(this.selected).data("menu-item-id"),d=this.collection.findWhere({id:b}),d&&(this.currentMenuControl.addItemToMenu(d.attributes),c(a).find(".menu-item-handle").addClass("item-added")))},_submitLink:function(a){("keypress"!==a.type||13===a.which)&&this.submitLink()},submitLink:function(){var b,d=c("#custom-menu-item-name"),e=c("#custom-menu-item-url");if(this.currentMenuControl){if(""===d.val())return void d.addClass("invalid");if(""===e.val()||"http://"===e.val())return void e.addClass("invalid");b={title:d.val(),url:e.val(),type:"custom",type_label:a.Menus.data.l10n.custom_label,object:""},this.currentMenuControl.addItemToMenu(b),e.val("http://"),d.val("")}},open:function(a){this.currentMenuControl=a,this.itemSectionHeight(),c("body").addClass("adding-menu-items"),_(this.currentMenuControl.getMenuItemControls()).each(function(a){a.collapseForm()}),this.$el.find(".selected").removeClass("selected"),this.$search.focus()},close:function(a){a=a||{},a.returnFocus&&this.currentMenuControl&&this.currentMenuControl.container.find(".add-new-menu-item").focus(),this.currentMenuControl=null,this.selected=null,c("body").removeClass("adding-menu-items"),c("#available-menu-items .menu-item-handle.item-added").removeClass("item-added"),this.$search.val("")},keyboardAccessible:function(a){var b=13===a.which,d=27===a.which,e=9===a.which&&a.shiftKey,f=c(a.target).is(this.$search);(!b||this.$search.val())&&(f&&e?(this.currentMenuControl.container.find(".add-new-menu-item").focus(),a.preventDefault()):d&&this.close({returnFocus:!0}))}}),a.Menus.MenusPanel=a.Panel.extend({attachEvents:function(){a.Panel.prototype.attachEvents.call(this);var b=this,d=b.container.find(".panel-meta"),e=d.find(".customize-help-toggle"),f=d.find(".customize-panel-description"),g=c("#screen-options-wrap"),h=d.find(".customize-screen-options-toggle");h.on("click",function(){return f.not(":hidden")&&(f.slideUp("fast"),e.attr("aria-expanded","false")),"true"===h.attr("aria-expanded")?(h.attr("aria-expanded","false"),d.removeClass("open"),d.removeClass("active-menu-screen-options"),g.slideUp("fast")):(h.attr("aria-expanded","true"),d.addClass("open"),d.addClass("active-menu-screen-options"),g.slideDown("fast")),!1}),e.on("click",function(){"true"===h.attr("aria-expanded")&&(h.attr("aria-expanded","false"),e.attr("aria-expanded","true"),d.addClass("open"),d.removeClass("active-menu-screen-options"),g.slideUp("fast"),f.slideDown("fast"))})},ready:function(){var a=this;this.container.find(".hide-column-tog").click(function(){var b=c(this),d=b.val();b.prop("checked")?a.checked(d):a.unchecked(d),a.saveManageColumnsState()}),this.container.find(".hide-column-tog").each(function(){var b=c(this),d=b.val();b.prop("checked")?a.checked(d):a.unchecked(d)})},saveManageColumnsState:function(){var a=this.hidden();c.post(b.ajax.settings.url,{action:"hidden-columns",hidden:a,screenoptionnonce:c("#screenoptionnonce").val(),page:"nav-menus"})},checked:function(a){this.container.addClass("field-"+a+"-active")},unchecked:function(a){this.container.removeClass("field-"+a+"-active")},hidden:function(){this.hidden=function(){return c(".hide-column-tog").not(":checked").map(function(){var a=this.id;return a.substring(a,a.length-5)}).get().join(",")}}}),a.Menus.MenuSection=a.Section.extend({initialize:function(b,d){var e=this;a.Section.prototype.initialize.call(e,b,d),e.deferred.initSortables=c.Deferred()},ready:function(){var b=this;if("undefined"==typeof b.params.menu_id)throw new Error("params.menu_id was not defined");b.active.validate=function(){return a.has(b.id)?!!a(b.id).get():!1},b.populateControls(),b.navMenuLocationSettings={},b.assignedLocations=new a.Value([]),a.each(function(a,c){var d=c.match(/^nav_menu_locations\[(.+?)]/);d&&(b.navMenuLocationSettings[d[1]]=a,a.bind(function(){b.refreshAssignedLocations()}))}),b.assignedLocations.bind(function(a){b.updateAssignedLocationsInSectionTitle(a)}),b.refreshAssignedLocations(),a.bind("pane-contents-reflowed",function(){b.container.parent().length&&(b.container.find(".menu-item .menu-item-reorder-nav button").attr({tabindex:"0","aria-hidden":"false"}),b.container.find(".menu-item.move-up-disabled .menus-move-up").attr({tabindex:"-1","aria-hidden":"true"}),b.container.find(".menu-item.move-down-disabled .menus-move-down").attr({tabindex:"-1","aria-hidden":"true"}),b.container.find(".menu-item.move-left-disabled .menus-move-left").attr({tabindex:"-1","aria-hidden":"true"}),b.container.find(".menu-item.move-right-disabled .menus-move-right").attr({tabindex:"-1","aria-hidden":"true"}))})},populateControls:function(){var b,c,d,e,f,g=this;b=g.id+"[name]",e=a.control(b),e||(e=new a.controlConstructor.nav_menu_name(b,{params:{type:"nav_menu_name",content:'<li id="customize-control-'+g.id.replace("[","-").replace("]","")+'-name" class="customize-control customize-control-nav_menu_name"></li>',label:a.Menus.data.l10n.menuNameLabel,active:!0,section:g.id,priority:0,settings:{"default":g.id}}}),a.control.add(e.id,e),e.active.set(!0)),d=a.control(g.id),d||(d=new a.controlConstructor.nav_menu(g.id,{params:{type:"nav_menu",content:'<li id="customize-control-'+g.id.replace("[","-").replace("]","")+'" class="customize-control customize-control-nav_menu"></li>',section:g.id,priority:998,active:!0,settings:{"default":g.id},menu_id:g.params.menu_id}}),a.control.add(d.id,d),d.active.set(!0)),c=g.id+"[auto_add]",f=a.control(c),f||(f=new a.controlConstructor.nav_menu_auto_add(c,{params:{type:"nav_menu_auto_add",content:'<li id="customize-control-'+g.id.replace("[","-").replace("]","")+'-auto-add" class="customize-control customize-control-nav_menu_auto_add"></li>',label:"",active:!0,section:g.id,priority:999,settings:{"default":g.id}}}),a.control.add(f.id,f),f.active.set(!0))},refreshAssignedLocations:function(){var a=this,b=a.params.menu_id,c=[];_.each(a.navMenuLocationSettings,function(a,d){a()===b&&c.push(d)}),a.assignedLocations.set(c)},updateAssignedLocationsInSectionTitle:function(b){var d,e=this;d=e.container.find(".accordion-section-title:first"),d.find(".menu-in-location").remove(),_.each(b,function(b){var e=c('<span class="menu-in-location"></span>');e.text(a.Menus.data.l10n.menuLocation.replace("%s",b)),d.append(e)}),e.container.toggleClass("assigned-to-menu-location",0!==b.length)},onChangeExpanded:function(b,d){var e=this;b&&(wpNavMenu.menuList=e.container.find(".accordion-section-content:first"),wpNavMenu.targetList=wpNavMenu.menuList,c("#menu-to-edit").removeAttr("id"),wpNavMenu.menuList.attr("id","menu-to-edit").addClass("menu"),_.each(a.section(e.id).controls(),function(a){"nav_menu_item"===a.params.type&&a.actuallyEmbed()}),"resolved"!==e.deferred.initSortables.state()&&(wpNavMenu.initSortables(),e.deferred.initSortables.resolve(wpNavMenu.menuList),a.control("nav_menu["+String(e.params.menu_id)+"]").reflowMenuItems())),a.Section.prototype.onChangeExpanded.call(e,b,d)}}),a.Menus.NewMenuSection=a.Section.extend({attachEvents:function(){var a=this;this.container.on("click",".add-menu-toggle",function(){a.expanded()?a.collapse():a.expand()})},onChangeExpanded:function(a){var b=this,c=b.container.find(".add-menu-toggle"),d=b.container.find(".new-menu-section-content"),e=b.container.closest(".wp-full-overlay-sidebar-content");a?(c.addClass("open"),c.attr("aria-expanded","true"),d.slideDown("fast",function(){e.scrollTop(e.height())})):(c.removeClass("open"),c.attr("aria-expanded","false"),d.slideUp("fast"),d.find(".menu-name-field").removeClass("invalid"))}}),a.Menus.MenuLocationControl=a.Control.extend({initialize:function(b,c){var d=this,e=b.match(/^nav_menu_locations\[(.+?)]/);d.themeLocation=e[1],a.Control.prototype.initialize.call(d,b,c)},ready:function(){var b=this,c=/^nav_menu\[(-?\d+)]/;b.setting.validate=function(a){return parseInt(a,10)},a.bind("add",function(a){var d,f,g=a.id.match(c);g&&!1!==a()&&(f=g[1],d=new Option(e(a().name),f),b.container.find("select").append(d))}),a.bind("remove",function(a){var d,e=a.id.match(c);e&&(d=parseInt(e[1],10),b.setting()===d&&b.setting.set(""),b.container.find("option[value="+d+"]").remove())}),a.bind("change",function(a){var d,f=a.id.match(c);f&&(d=parseInt(f[1],10),!1===a()?(b.setting()===d&&b.setting.set(""),b.container.find("option[value="+d+"]").remove()):b.container.find("option[value="+d+"]").text(e(a().name)))})}}),a.Menus.MenuItemControl=a.Control.extend({initialize:function(b,c){var d=this;a.Control.prototype.initialize.call(d,b,c),d.active.validate=function(){var b,c=a.section(d.section());return b=c?c.active():!1}},embed:function(){var b,c=this,d=c.section();d&&(b=a.section(d),b&&b.expanded()&&c.actuallyEmbed())},actuallyEmbed:function(){var a=this;"resolved"!==a.deferred.embedded.state()&&(a.renderContent(),a.deferred.embedded.resolve())},ready:function(){if("undefined"==typeof this.params.menu_item_id)throw new Error("params.menu_item_id was not defined");this._setupControlToggle(),this._setupReorderUI(),this._setupUpdateUI(),this._setupRemoveUI(),this._setupLinksUI(),this._setupTitleUI()},_setupControlToggle:function(){var a=this;this.container.find(".menu-item-handle").on("click",function(b){b.preventDefault(),b.stopPropagation();var c=a.getMenuControl();c.isReordering||c.isSorting||a.toggleForm()})},_setupReorderUI:function(){var a,d,e=this;a=b.template("menu-item-reorder-nav"),e.container.find(".item-controls").after(a),d=e.container.find(".menu-item-reorder-nav"),d.find(".menus-move-up, .menus-move-down, .menus-move-left, .menus-move-right").on("click",function(){var a=c(this);a.focus();var b=a.is(".menus-move-up"),d=a.is(".menus-move-down"),f=a.is(".menus-move-left"),g=a.is(".menus-move-right");b?e.moveUp():d?e.moveDown():f?e.moveLeft():g&&e.moveRight(),a.focus()})},_setupUpdateUI:function(){var b=this,c=b.setting();b.elements={},b.elements.url=new a.Element(b.container.find(".edit-menu-item-url")),b.elements.title=new a.Element(b.container.find(".edit-menu-item-title")),b.elements.attr_title=new a.Element(b.container.find(".edit-menu-item-attr-title")),b.elements.target=new a.Element(b.container.find(".edit-menu-item-target")),b.elements.classes=new a.Element(b.container.find(".edit-menu-item-classes")),b.elements.xfn=new a.Element(b.container.find(".edit-menu-item-xfn")),b.elements.description=new a.Element(b.container.find(".edit-menu-item-description")),_.each(b.elements,function(a,d){a.bind(function(c){a.element.is("input[type=checkbox]")&&(c=c?a.element.val():"");var e=b.setting();e&&e[d]!==c&&(e=_.clone(e),e[d]=c,b.setting.set(e))}),c&&a.set(c[d])}),b.setting.bind(function(c,d){var e,f=b.params.menu_item_id,g=[],h=[];!1===c?(e=a.control("nav_menu["+String(d.nav_menu_term_id)+"]"),b.container.remove(),_.each(e.getMenuItemControls(),function(a){d.menu_item_parent===a.setting().menu_item_parent&&a.setting().position>d.position?g.push(a):a.setting().menu_item_parent===f&&h.push(a)}),_.each(g,function(a){var b=_.clone(a.setting());b.position+=h.length,a.setting.set(b)}),_.each(h,function(a,b){var c=_.clone(a.setting());c.position=d.position+b,c.menu_item_parent=d.menu_item_parent,a.setting.set(c)}),e.debouncedReflowMenuItems()):(_.each(c,function(a,d){b.elements[d]&&b.elements[d].set(c[d])}),b.container.find(".menu-item-data-parent-id").val(c.menu_item_parent),(c.position!==d.position||c.menu_item_parent!==d.menu_item_parent)&&b.getMenuControl().debouncedReflowMenuItems())})},_setupRemoveUI:function(){var d,e=this;d=e.container.find(".item-delete"),d.on("click",function(){var d,f,g,h=!0;c("body").hasClass("adding-menu-items")||(h=!1),f=e.container.nextAll(".customize-control-nav_menu_item:visible").first(),g=e.container.prevAll(".customize-control-nav_menu_item:visible").first(),d=f.length?f.find(!1===h?".item-edit":".item-delete").first():g.length?g.find(!1===h?".item-edit":".item-delete").first():e.container.nextAll(".customize-control-nav_menu").find(".add-new-menu-item").first(),e.container.slideUp(function(){e.setting.set(!1),b.a11y.speak(a.Menus.data.l10n.itemDeleted),d.focus()})})},_setupLinksUI:function(){var b;b=this.container.find("a.original-link"),b.on("click",function(b){b.preventDefault(),a.previewer.previewUrl(b.target.toString())})},_setupTitleUI:function(){var b=this;b.setting.bind(function(c){if(c){var d=b.container.find(".menu-item-title");c.title?d.text(c.title).removeClass("no-title"):d.text(a.Menus.data.l10n.untitled).addClass("no-title")}})},getDepth:function(){var b=this,c=b.setting(),d=0;if(!c)return 0;for(;c&&c.menu_item_parent&&(d+=1,b=a.control("nav_menu_item["+c.menu_item_parent+"]"));)c=b.setting();return d},renderContent:function(){var b,c=this,d=c.setting();c.params.title=d.title||"",c.params.depth=c.getDepth(),c.container.data("item-depth",c.params.depth),b=["menu-item","menu-item-depth-"+String(c.params.depth),"menu-item-"+d.object,"menu-item-edit-inactive"],d.invalid?(b.push("invalid"),c.params.title=a.Menus.data.invalidTitleTpl.replace("%s",c.params.title)):"draft"===d.status&&(b.push("pending"),c.params.title=a.Menus.data.pendingTitleTpl.replace("%s",c.params.title)),c.params.el_classes=b.join(" "),c.params.item_type_label=d.type_label,c.params.item_type=d.type,c.params.url=d.url,c.params.target=d.target,c.params.attr_title=d.attr_title,c.params.classes=_.isArray(d.classes)?d.classes.join(" "):d.classes,c.params.attr_title=d.attr_title,c.params.xfn=d.xfn,c.params.description=d.description,c.params.parent=d.menu_item_parent,c.params.original_title=d.original_title||"",c.container.addClass(c.params.el_classes),a.Control.prototype.renderContent.call(c)},getMenuControl:function(){var b=this,c=b.setting();return c&&c.nav_menu_term_id?a.control("nav_menu["+c.nav_menu_term_id+"]"):null},expandControlSection:function(){var a=this.container.closest(".accordion-section");a.hasClass("open")||a.find(".accordion-section-title:first").trigger("click")},expandForm:function(){this.toggleForm(!0)},collapseForm:function(){this.toggleForm(!1)},toggleForm:function(b){var c,d,e,f=this;c=this.container,d=c.find(".menu-item-settings:first"),"undefined"==typeof b&&(b=!d.is(":visible")),d.is(":visible")!==b&&(b?(a.control.each(function(a){f.params.type===a.params.type&&f!==a&&a.collapseForm()}),e=function(){c.removeClass("menu-item-edit-inactive").addClass("menu-item-edit-active"),f.container.trigger("expanded")},c.find(".item-edit").attr("aria-expanded","true"),d.slideDown("fast",e),f.container.trigger("expand")):(e=function(){c.addClass("menu-item-edit-inactive").removeClass("menu-item-edit-active"),f.container.trigger("collapsed")},f.container.trigger("collapse"),c.find(".item-edit").attr("aria-expanded","false"),d.slideUp("fast",e)))},focus:function(){this.expandControlSection(),this.expandForm(),this.container.find(".menu-item-settings :focusable:first").focus()},moveUp:function(){this._changePosition(-1),b.a11y.speak(a.Menus.data.l10n.movedUp)},moveDown:function(){this._changePosition(1),b.a11y.speak(a.Menus.data.l10n.movedDown)},moveLeft:function(){this._changeDepth(-1),b.a11y.speak(a.Menus.data.l10n.movedLeft)},moveRight:function(){this._changeDepth(1),b.a11y.speak(a.Menus.data.l10n.movedRight)},_changePosition:function(a){var b,d,e=this,f=_.clone(e.setting()),g=[];if(1!==a&&-1!==a)throw new Error("Offset changes by 1 are only supported.");if(e.setting()){if(_(e.getMenuControl().getMenuItemControls()).each(function(a){a.setting().menu_item_parent===f.menu_item_parent&&g.push(a.setting)}),g.sort(function(a,b){return a().position-b().position}),d=_.indexOf(g,e.setting),-1===d)throw new Error("Expected setting to be among siblings.");0===d&&0>a||d===g.length-1&&a>0||(b=g[d+a],b&&b.set(c.extend(_.clone(b()),{position:f.position})),f.position+=a,e.setting.set(f))}},_changeDepth:function(b){if(1!==b&&-1!==b)throw new Error("Offset changes by 1 are only supported.");var d,e,f,g=this,h=_.clone(g.setting()),i=[];if(_(g.getMenuControl().getMenuItemControls()).each(function(a){a.setting().menu_item_parent===h.menu_item_parent&&i.push(a)}),i.sort(function(a,b){return a.setting().position-b.setting().position}),d=_.indexOf(i,g),-1===d)throw new Error("Expected control to be among siblings.");if(-1===b){if(!h.menu_item_parent)return;f=a.control("nav_menu_item["+h.menu_item_parent+"]"),_(i).chain().slice(d).each(function(a,b){a.setting.set(c.extend({},a.setting(),{menu_item_parent:g.params.menu_item_id,position:b}))}),_(g.getMenuControl().getMenuItemControls()).each(function(a){var b,d;d=a.setting().menu_item_parent===f.setting().menu_item_parent&&a.setting().position>f.setting().position,d&&(b=_.clone(a.setting()),a.setting.set(c.extend(b,{position:b.position+1})))}),h.position=f.setting().position+1,h.menu_item_parent=f.setting().menu_item_parent,g.setting.set(h)}else if(1===b){if(0===d)return;e=i[d-1],h.menu_item_parent=e.params.menu_item_id,h.position=0,_(g.getMenuControl().getMenuItemControls()).each(function(a){a.setting().menu_item_parent===h.menu_item_parent&&(h.position=Math.max(h.position,a.setting().position))}),h.position+=1,g.setting.set(h)}}}),a.Menus.MenuNameControl=a.Control.extend({ready:function(){var b=this,c=b.setting();b.active.validate=function(){var c,d=a.section(b.section());return c=d?d.active():!1},b.nameElement=new a.Element(b.container.find(".menu-name-field")),b.nameElement.bind(function(a){var c=b.setting();c&&c.name!==a&&(c=_.clone(c),c.name=a,b.setting.set(c))}),c&&b.nameElement.set(c.name),b.setting.bind(function(a){a&&b.nameElement.set(a.name)})}}),a.Menus.MenuAutoAddControl=a.Control.extend({ready:function(){var b=this,c=b.setting();b.active.validate=function(){var c,d=a.section(b.section());return c=d?d.active():!1},b.autoAddElement=new a.Element(b.container.find("input[type=checkbox].auto_add")),b.autoAddElement.bind(function(a){var c=b.setting();c&&c.name!==a&&(c=_.clone(c),c.auto_add=a,b.setting.set(c))}),c&&b.autoAddElement.set(c.auto_add),b.setting.bind(function(a){a&&b.autoAddElement.set(a.auto_add)})}}),a.Menus.MenuControl=a.Control.extend({ready:function(){var b,d,f,g=this,h=g.params.menu_id,i=g.setting();if("undefined"==typeof this.params.menu_id)throw new Error("params.menu_id was not defined");g.active.validate=function(){var b,c=a.section(g.section());return b=c?c.active():!1},g.$controlSection=g.container.closest(".control-section"),g.$sectionContent=g.container.closest(".accordion-section-content"),this._setupModel(),a.section(g.section(),function(a){a.deferred.initSortables.done(function(a){g._setupSortable(a)})}),this._setupAddition(),this._setupLocations(),this._setupTitle(),i&&(b=e(i.name),a.control.each(function(c){c.extended(a.controlConstructor.widget_form)&&"nav_menu"===c.params.widget_id_base&&(c.container.find(".nav-menu-widget-form-controls:first").show(),c.container.find(".nav-menu-widget-no-menus-message:first").hide(),f=c.container.find("select"),0===f.find("option[value="+String(h)+"]").length&&f.append(new Option(b,h)))}),d=c("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )"),d.find(".nav-menu-widget-form-controls:first").show(),d.find(".nav-menu-widget-no-menus-message:first").hide(),f=d.find(".widget-inside select:first"),0===f.find("option[value="+String(h)+"]").length&&f.append(new Option(b,h)))},_setupModel:function(){var b=this,c=b.params.menu_id;b.setting.bind(function(d){var f;!1===d?b._handleDeletion():(f=e(d.name),a.control.each(function(b){if(b.extended(a.controlConstructor.widget_form)&&"nav_menu"===b.params.widget_id_base){var d=b.container.find("select");d.find("option[value="+String(c)+"]").text(f)}}))}),b.container.find(".menu-delete").on("click",function(a){a.stopPropagation(),a.preventDefault(),b.setting.set(!1)})},_setupSortable:function(b){var c=this;if(!b.is(c.$sectionContent))throw new Error("Unexpected menuList.");b.on("sortstart",function(){c.isSorting=!0}),b.on("sortstop",function(){setTimeout(function(){var b=c.$sectionContent.sortable("toArray"),d=[],e=0,f=10;c.isSorting=!1,_.each(b,function(b){var c,e,f;f=b.match(/^customize-control-nav_menu_item-(-?\d+)$/,""),f&&(c=parseInt(f[1],10),e=a.control("nav_menu_item["+String(c)+"]"),e&&d.push(e))}),_.each(d,function(a){if(!1!==a.setting()){var b=_.clone(a.setting());e+=1,f+=1,b.position=e,a.priority(f),b.menu_item_parent=parseInt(a.container.find(".menu-item-data-parent-id").val(),10),b.menu_item_parent||(b.menu_item_parent=0),a.setting.set(b)}})})}),c.isReordering=!1,this.container.find(".reorder-toggle").on("click",function(){c.toggleReordering(!c.isReordering)})},_setupAddition:function(){var b=this;this.container.find(".add-new-menu-item").on("click",function(d){b.$sectionContent.hasClass("reordering")||(c("body").hasClass("adding-menu-items")?(c(this).attr("aria-expanded","false"),a.Menus.availableMenuItemsPanel.close(),d.stopPropagation()):(c(this).attr("aria-expanded","true"),a.Menus.availableMenuItemsPanel.open(b)))})},_handleDeletion:function(){var d,e,f,g=this,h=g.params.menu_id,i=0;d=a.section(g.section()),e=function(){d.container.remove(),a.section.remove(d.id)},d&&d.expanded()?d.collapse({completeCallback:function(){e(),b.a11y.speak(a.Menus.data.l10n.menuDeleted),a.panel("nav_menus").focus()}}):e(),a.each(function(a){/^nav_menu\[/.test(a.id)&&!1!==a()&&(i+=1)}),a.control.each(function(b){if(b.extended(a.controlConstructor.widget_form)&&"nav_menu"===b.params.widget_id_base){var c=b.container.find("select");c.val()===String(h)&&c.prop("selectedIndex",0).trigger("change"),b.container.find(".nav-menu-widget-form-controls:first").toggle(0!==i),b.container.find(".nav-menu-widget-no-menus-message:first").toggle(0===i),b.container.find("option[value="+String(h)+"]").remove()}}),f=c("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )"),f.find(".nav-menu-widget-form-controls:first").toggle(0!==i),f.find(".nav-menu-widget-no-menus-message:first").toggle(0===i),f.find("option[value="+String(h)+"]").remove()},_setupLocations:function(){var b=this;b.container.find(".assigned-menu-location").each(function(){var d,f,g=c(this),h=g.find("input[type=checkbox]"),i=a("nav_menu_locations["+h.data("location-id")+"]");f=function(b){var c=a("nav_menu["+String(b)+"]");b&&c&&c()?g.find(".theme-location-set").show().find("span").text(e(c().name)):g.find(".theme-location-set").hide()},d=new a.Element(h),d.set(i.get()===b.params.menu_id),h.on("change",function(){i.set(this.checked?b.params.menu_id:0)}),i.bind(function(a){d.set(a===b.params.menu_id),f(a)}),f(i.get())})},_setupTitle:function(){var b=this;b.setting.bind(function(d){if(d){var f=b.container.closest(".accordion-section"),g=b.params.menu_id,h=f.find(".accordion-section-title"),i=f.find(".customize-section-title h3"),j=f.find(".menu-in-location"),k=i.find(".customize-action"),l=e(d.name);h.text(l),j.length&&j.appendTo(h),i.text(l),k.length&&k.prependTo(i),a.control.each(function(a){/^nav_menu_locations\[/.test(a.id)&&a.container.find("option[value="+g+"]").text(l)}),f.find(".customize-control-checkbox input").each(function(){c(this).prop("checked")&&c(".current-menu-location-name-"+c(this).data("location-id")).text(l)})}})},toggleReordering:function(c){var d=this.container.find(".add-new-menu-item"),e=this.container.find(".reorder-toggle"),f=this.$sectionContent.find(".item-title");c=Boolean(c),c!==this.$sectionContent.hasClass("reordering")&&(this.isReordering=c,this.$sectionContent.toggleClass("reordering",c),this.$sectionContent.sortable(this.isReordering?"disable":"enable"),this.isReordering?(d.attr({tabindex:"-1","aria-hidden":"true"}),e.attr("aria-label",a.Menus.data.l10n.reorderLabelOff),b.a11y.speak(a.Menus.data.l10n.reorderModeOn),f.attr("aria-hidden","false")):(d.removeAttr("tabindex aria-hidden"),e.attr("aria-label",a.Menus.data.l10n.reorderLabelOn),b.a11y.speak(a.Menus.data.l10n.reorderModeOff),f.attr("aria-hidden","true")),c&&_(this.getMenuItemControls()).each(function(a){a.collapseForm()}))},getMenuItemControls:function(){var b=this,c=[],d=b.params.menu_id;return a.control.each(function(a){"nav_menu_item"===a.params.type&&a.setting()&&d===a.setting().nav_menu_term_id&&c.push(a)}),c},reflowMenuItems:function(){var a,b=this,c=b.getMenuItemControls();a=function(b){var c=[],d=b.currentParent;_.each(b.menuItemControls,function(a){d===a.setting().menu_item_parent&&c.push(a)}),c.sort(function(a,b){return a.setting().position-b.setting().position}),_.each(c,function(c){b.currentAbsolutePosition+=1,c.priority.set(b.currentAbsolutePosition),c.container.hasClass("menu-item-depth-"+String(b.currentDepth))||(_.each(c.container.prop("className").match(/menu-item-depth-\d+/g),function(a){c.container.removeClass(a)}),c.container.addClass("menu-item-depth-"+String(b.currentDepth))),c.container.data("item-depth",b.currentDepth),b.currentDepth+=1,b.currentParent=c.params.menu_item_id,a(b),b.currentDepth-=1,b.currentParent=d}),c.length&&(_(c).each(function(a){a.container.removeClass("move-up-disabled move-down-disabled move-left-disabled move-right-disabled"),0===b.currentDepth?a.container.addClass("move-left-disabled"):10===b.currentDepth&&a.container.addClass("move-right-disabled")}),c[0].container.addClass("move-up-disabled").addClass("move-right-disabled").toggleClass("move-down-disabled",1===c.length),c[c.length-1].container.addClass("move-down-disabled").toggleClass("move-up-disabled",1===c.length))},a({menuItemControls:c,currentParent:0,currentDepth:0,currentAbsolutePosition:0}),b.container.find(".reorder-toggle").toggle(c.length>1)},debouncedReflowMenuItems:_.debounce(function(){this.reflowMenuItems.apply(this,arguments)},0),addItemToMenu:function(d){var e,f,g,h,i,j=this,k=0,l=10;return _.each(j.getMenuItemControls(),function(a){!1!==a.setting()&&(l=Math.max(l,a.priority()),0===a.setting().menu_item_parent&&(k=Math.max(k,a.setting().position)));
-}),k+=1,l+=1,d=c.extend({},a.Menus.data.defaultSettingValues.nav_menu_item,d,{nav_menu_term_id:j.params.menu_id,original_title:d.title,position:k}),delete d.id,i=a.Menus.generatePlaceholderAutoIncrementId(),e="nav_menu_item["+String(i)+"]",f={type:"nav_menu_item",transport:"postMessage",previewer:a.previewer},g=a.create(e,e,{},f),g.set(d),h=new a.controlConstructor.nav_menu_item(e,{params:{type:"nav_menu_item",content:'<li id="customize-control-nav_menu_item-'+String(i)+'" class="customize-control customize-control-nav_menu_item"></li>',section:j.id,priority:l,active:!0,settings:{"default":e},menu_item_id:i},previewer:a.previewer}),a.control.add(e,h),g.preview(),j.debouncedReflowMenuItems(),b.a11y.speak(a.Menus.data.l10n.itemAdded),h}}),a.Menus.NewMenuControl=a.Control.extend({ready:function(){this._bindHandlers()},_bindHandlers:function(){var a=this,b=c("#customize-control-new_menu_name input"),d=c("#create-new-menu-submit");b.on("keydown",function(b){13===b.which&&a.submit()}),d.on("click",function(b){a.submit(),b.stopPropagation(),b.preventDefault()})},submit:function(){var d,f,g=this,h=g.container.closest(".accordion-section-new-menu"),i=h.find(".menu-name-field").first(),j=i.val(),k=a.Menus.generatePlaceholderAutoIncrementId();return j?(f="nav_menu["+String(k)+"]",a.create(f,f,{},{type:"nav_menu",transport:"postMessage",previewer:a.previewer}),a(f).set(c.extend({},a.Menus.data.defaultSettingValues.nav_menu,{name:j})),d=new a.Menus.MenuSection(f,{params:{id:f,panel:"nav_menus",title:e(j),customizeAction:a.Menus.data.l10n.customizingMenus,type:"nav_menu",priority:10,menu_id:k}}),a.section.add(f,d),i.val(""),i.removeClass("invalid"),b.a11y.speak(a.Menus.data.l10n.menuAdded),a.section(f).focus(),void c("#menu-to-edit").css("margin-top",0)):(i.addClass("invalid"),void i.focus())}}),c.extend(a.controlConstructor,{nav_menu_location:a.Menus.MenuLocationControl,nav_menu_item:a.Menus.MenuItemControl,nav_menu:a.Menus.MenuControl,nav_menu_name:a.Menus.MenuNameControl,nav_menu_auto_add:a.Menus.MenuAutoAddControl,new_menu:a.Menus.NewMenuControl}),c.extend(a.panelConstructor,{nav_menus:a.Menus.MenusPanel}),c.extend(a.sectionConstructor,{nav_menu:a.Menus.MenuSection,new_menu:a.Menus.NewMenuSection}),a.bind("ready",function(){a.Menus.availableMenuItemsPanel=new a.Menus.AvailableMenuItemsPanelView({collection:a.Menus.availableMenuItems}),a.bind("saved",function(b){(b.nav_menu_updates||b.nav_menu_item_updates)&&a.Menus.applySavedData(b)}),a.previewer.bind("refresh",function(){a.previewer.refresh()})}),a.Menus.applySavedData=function(d){var e={};_(d.nav_menu_updates).each(function(d){var f,g,h,i,j,k,l,m,n,o,p,q;if("inserted"===d.status){if(!d.previous_term_id)throw new Error("Expected previous_term_id");if(!d.term_id)throw new Error("Expected term_id");if(f="nav_menu["+String(d.previous_term_id)+"]",!a.has(f))throw new Error("Expected setting to exist: "+f);if(i=a(f),!a.section.has(f))throw new Error("Expected control to exist: "+f);if(m=a.section(f),l=i.get(),!l)throw new Error("Did not expect setting to be empty (deleted).");l=c.extend(_.clone(l),d.saved_value),e[d.previous_term_id]=d.term_id,g="nav_menu["+String(d.term_id)+"]",j=a.create(g,g,l,{type:"nav_menu",transport:"postMessage",previewer:a.previewer}),m.expanded()&&m.collapse(),n=new a.Menus.MenuSection(g,{params:{id:g,panel:"nav_menus",title:l.name,customizeAction:a.Menus.data.l10n.customizingMenus,type:"nav_menu",priority:m.priority.get(),active:!0,menu_id:d.term_id}}),a.section.add(g,n),a.control.each(function(b){if(b.extended(a.controlConstructor.widget_form)&&"nav_menu"===b.params.widget_id_base){var c,e,f;c=b.container.find("select"),e=c.find("option[value="+String(d.previous_term_id)+"]"),f=c.find("option[value="+String(d.term_id)+"]"),f.prop("selected",e.prop("selected")),e.remove()}}),i.callbacks.disable(),i.set(!1),i.preview(),j.preview(),i._dirty=!1,m.container.remove(),a.section.remove(f),q=0,a.each(function(a){/^nav_menu\[/.test(a.id)&&!1!==a()&&(q+=1)}),p=c("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )"),p.find(".nav-menu-widget-form-controls:first").toggle(0!==q),p.find(".nav-menu-widget-no-menus-message:first").toggle(0===q),p.find("option[value="+String(d.previous_term_id)+"]").remove(),b.customize.control.each(function(a){/^nav_menu_locations\[/.test(a.id)&&a.container.find("option[value="+String(d.previous_term_id)+"]").remove()}),a.each(function(b){var c=a.state("saved").get();/^nav_menu_locations\[/.test(b.id)&&b.get()===d.previous_term_id&&(b.set(d.term_id),b._dirty=!1,a.state("saved").set(c),b.preview())}),m.expanded.get()&&n.expand()}else if("updated"===d.status){if(h="nav_menu["+String(d.term_id)+"]",!a.has(h))throw new Error("Expected setting to exist: "+h);k=a(h),_.isEqual(d.saved_value,k.get())||(o=a.state("saved").get(),k.set(d.saved_value),k._dirty=!1,a.state("saved").set(o))}}),_(d.nav_menu_item_updates).each(function(b){var c,d,f,g,h,i,j;if("inserted"===b.status){if(!b.previous_post_id)throw new Error("Expected previous_post_id");if(!b.post_id)throw new Error("Expected post_id");if(c="nav_menu_item["+String(b.previous_post_id)+"]",!a.has(c))throw new Error("Expected setting to exist: "+c);if(f=a(c),!a.control.has(c))throw new Error("Expected control to exist: "+c);if(i=a.control(c),h=f.get(),!h)throw new Error("Did not expect setting to be empty (deleted).");h=_.clone(h),e[h.nav_menu_term_id]&&(h.nav_menu_term_id=e[h.nav_menu_term_id]),d="nav_menu_item["+String(b.post_id)+"]",g=a.create(d,d,h,{type:"nav_menu_item",transport:"postMessage",previewer:a.previewer}),j=new a.controlConstructor.nav_menu_item(d,{params:{type:"nav_menu_item",content:'<li id="customize-control-nav_menu_item-'+String(b.post_id)+'" class="customize-control customize-control-nav_menu_item"></li>',menu_id:b.post_id,section:"nav_menu["+String(h.nav_menu_term_id)+"]",priority:i.priority.get(),active:!0,settings:{"default":d},menu_item_id:b.post_id},previewer:a.previewer}),i.container.remove(),a.control.remove(c),a.control.add(d,j),f.callbacks.disable(),f.set(!1),f.preview(),g.preview(),f._dirty=!1,j.container.toggleClass("menu-item-edit-inactive",i.container.hasClass("menu-item-edit-inactive"))}}),_.each(d.widget_nav_menu_updates,function(b,c){var d=a(c);d&&(d._value=b,d.preview())})},a.Menus.focusMenuItemControl=function(b){var c=a.Menus.getMenuItemControl(b);c&&c.focus()},a.Menus.getMenuControl=function(b){return a.control("nav_menu["+b+"]")},a.Menus.getMenuItemControl=function(b){return a.control(d(b))}}(wp.customize,wp,jQuery);
\ No newline at end of file
+!function(a,b,c){"use strict";function d(a){return"nav_menu_item["+a+"]"}function e(b){return b=b||"",b=c("<div>").text(b).html(),b=c.trim(b),b||a.Menus.data.l10n.unnamed}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()},a.Menus=a.Menus||{},a.Menus.data={nonce:"",itemTypes:[],l10n:{},menuItemTransport:"postMessage",phpIntMax:0,defaultSettingValues:{nav_menu:{},nav_menu_item:{}}},"undefined"!=typeof _wpCustomizeNavMenusSettings&&c.extend(a.Menus.data,_wpCustomizeNavMenusSettings),a.Menus.generatePlaceholderAutoIncrementId=function(){return-Math.ceil(a.Menus.data.phpIntMax*Math.random())},a.Menus.AvailableItemModel=Backbone.Model.extend(c.extend({id:null},a.Menus.data.defaultSettingValues.nav_menu_item)),a.Menus.AvailableItemCollection=Backbone.Collection.extend({model:a.Menus.AvailableItemModel,sort_key:"order",comparator:function(a){return-a.get(this.sort_key)},sortByField:function(a){this.sort_key=a,this.sort()}}),a.Menus.availableMenuItems=new a.Menus.AvailableItemCollection(a.Menus.data.availableMenuItems),a.Menus.AvailableMenuItemsPanelView=b.Backbone.View.extend({el:"#available-menu-items",events:{"input #menu-items-search":"debounceSearch","keyup #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",keydown:"keyboardAccessible"},selected:null,currentMenuControl:null,debounceSearch:null,$search:null,searchTerm:"",rendered:!1,pages:{},sectionContent:"",loading:!1,initialize:function(){var b=this;this.$search=c("#menu-items-search"),this.sectionContent=this.$el.find(".accordion-section-content"),this.debounceSearch=_.debounce(b.search,500),_.bindAll(this,"close"),c("#customize-controls, .customize-section-back").on("click keydown",function(a){var d=c(a.target).is(".item-delete, .item-delete *"),e=c(a.target).is(".add-new-menu-item, .add-new-menu-item *");!c("body").hasClass("adding-menu-items")||d||e||b.close()}),c(".clear-results").on("click keydown",function(a){console.log(a),("keydown"!==a.type||13===a.which||32===a.which)&&(a.preventDefault(),c("#menu-items-search").val("").focus(),a.target.value="",b.search(a))}),this.$el.on("input","#custom-menu-item-name.invalid, #custom-menu-item-url.invalid",function(){c(this).removeClass("invalid")}),a.panel("nav_menus").container.bind("expanded",function(){b.rendered||(b.initList(),b.rendered=!0)}),this.sectionContent.scroll(function(){var a=b.$el.find(".accordion-section.open .accordion-section-content").prop("scrollHeight"),d=b.$el.find(".accordion-section.open").height();if(!b.loading&&c(this).scrollTop()>.75*a-d){var e=c(this).data("type"),f=c(this).data("object");"search"===e?b.searchTerm&&b.doSearch(b.pages.search):b.loadItems(e,f)}}),a.previewer.bind("url",this.close)},search:function(a){var b=c("#available-menu-items-search"),d=c("#available-menu-items .accordion-section").not(b);a&&this.searchTerm!==a.target.value&&(""===a.target.value||b.hasClass("open")?""===a.target.value&&(b.removeClass("open"),d.show(),b.find(".clear-results").prop("tabIndex",-1).removeClass("is-visible")):(d.fadeOut(100),b.find(".accordion-section-content").slideDown("fast"),b.addClass("open"),b.find(".clear-results").prop("tabIndex",0).addClass("is-visible")),this.searchTerm=a.target.value,this.pages.search=1,this.doSearch(1))},doSearch:function(d){var e,f=this,g=c("#available-menu-items-search"),h=g.find(".accordion-section-content"),i=b.template("available-menu-item");if(f.currentRequest&&f.currentRequest.abort(),!(0>d)){if(d>1)g.addClass("loading-more"),h.attr("aria-busy","true"),b.a11y.speak(a.Menus.data.l10n.itemsLoadingMore);else if(""===f.searchTerm)return h.html(""),void b.a11y.speak("");g.addClass("loading"),f.loading=!0,e={"customize-menus-nonce":a.Menus.data.nonce,wp_customize:"on",search:f.searchTerm,page:d},f.currentRequest=b.ajax.post("search-available-menu-items-customizer",e),f.currentRequest.done(function(c){var e;1===d&&h.empty(),g.removeClass("loading loading-more"),h.attr("aria-busy","false"),g.addClass("open"),f.loading=!1,e=new a.Menus.AvailableItemCollection(c.items),f.collection.add(e.models),e.each(function(a){h.append(i(a.attributes))}),20>e.length?f.pages.search=-1:f.pages.search=f.pages.search+1,e&&d>1?b.a11y.speak(a.Menus.data.l10n.itemsFoundMore.replace("%d",e.length)):e&&1===d&&b.a11y.speak(a.Menus.data.l10n.itemsFound.replace("%d",e.length))}),f.currentRequest.fail(function(a){a.message&&(h.empty().append(c('<p class="nothing-found"></p>').text(a.message)),b.a11y.speak(a.message)),f.pages.search=-1}),f.currentRequest.always(function(){g.removeClass("loading loading-more"),h.attr("aria-busy","false"),f.loading=!1,f.currentRequest=null})}},initList:function(){var b=this;_.each(a.Menus.data.itemTypes,function(a){b.pages[a.type+":"+a.object]=0,b.loadItems(a.type,a.object)})},loadItems:function(d,e){var f,g,h,i,j=this;h=b.template("available-menu-item"),-1!==j.pages[d+":"+e]&&(i=c("#available-menu-items-"+d+"-"+e),i.find(".accordion-section-title").addClass("loading"),j.loading=!0,f={"customize-menus-nonce":a.Menus.data.nonce,wp_customize:"on",type:d,object:e,page:j.pages[d+":"+e]},g=b.ajax.post("load-available-menu-items-customizer",f),g.done(function(b){var c,f;return c=b.items,0===c.length?(0===j.pages[d+":"+e]&&i.addClass("cannot-expand").removeClass("loading").find(".accordion-section-title > button").prop("tabIndex",-1),void(j.pages[d+":"+e]=-1)):(c=new a.Menus.AvailableItemCollection(c),j.collection.add(c.models),f=i.find(".accordion-section-content"),c.each(function(a){f.append(h(a.attributes))}),void(j.pages[d+":"+e]+=1))}),g.fail(function(a){"undefined"!=typeof console&&console.error&&console.error(a)}),g.always(function(){i.find(".accordion-section-title").removeClass("loading"),j.loading=!1}))},itemSectionHeight:function(){var a,b,c,d;b=window.innerHeight,a=this.$el.find(".accordion-section-content"),c=46*(1+a.length)-16,d=b-c,d>120&&290>d&&a.css("max-height",d)},select:function(a){this.selected=c(a),this.selected.siblings(".menu-item-tpl").removeClass("selected"),this.selected.addClass("selected")},focus:function(a){this.select(c(a.currentTarget))},_submit:function(a){("keypress"!==a.type||13===a.which||32===a.which)&&this.submit(c(a.currentTarget))},submit:function(a){var b,d;a||(a=this.selected),a&&this.currentMenuControl&&(this.select(a),b=c(this.selected).data("menu-item-id"),d=this.collection.findWhere({id:b}),d&&(this.currentMenuControl.addItemToMenu(d.attributes),c(a).find(".menu-item-handle").addClass("item-added")))},_submitLink:function(a){("keypress"!==a.type||13===a.which)&&this.submitLink()},submitLink:function(){var b,d=c("#custom-menu-item-name"),e=c("#custom-menu-item-url");if(this.currentMenuControl){if(""===d.val())return void d.addClass("invalid");if(""===e.val()||"http://"===e.val())return void e.addClass("invalid");b={title:d.val(),url:e.val(),type:"custom",type_label:a.Menus.data.l10n.custom_label,object:""},this.currentMenuControl.addItemToMenu(b),e.val("http://"),d.val("")}},open:function(a){this.currentMenuControl=a,this.itemSectionHeight(),c("body").addClass("adding-menu-items"),_(this.currentMenuControl.getMenuItemControls()).each(function(a){a.collapseForm()}),this.$el.find(".selected").removeClass("selected"),this.$search.focus()},close:function(a){a=a||{},a.returnFocus&&this.currentMenuControl&&this.currentMenuControl.container.find(".add-new-menu-item").focus(),this.currentMenuControl=null,this.selected=null,c("body").removeClass("adding-menu-items"),c("#available-menu-items .menu-item-handle.item-added").removeClass("item-added"),this.$search.val("")},keyboardAccessible:function(a){var b=13===a.which,d=27===a.which,e=9===a.which&&a.shiftKey,f=c(a.target).is(this.$search);(!b||this.$search.val())&&(f&&e?(this.currentMenuControl.container.find(".add-new-menu-item").focus(),a.preventDefault()):d&&this.close({returnFocus:!0}))}}),a.Menus.MenusPanel=a.Panel.extend({attachEvents:function(){a.Panel.prototype.attachEvents.call(this);var b=this,d=b.container.find(".panel-meta"),e=d.find(".customize-help-toggle"),f=d.find(".customize-panel-description"),g=c("#screen-options-wrap"),h=d.find(".customize-screen-options-toggle");h.on("click",function(){return f.not(":hidden")&&(f.slideUp("fast"),e.attr("aria-expanded","false")),"true"===h.attr("aria-expanded")?(h.attr("aria-expanded","false"),d.removeClass("open"),d.removeClass("active-menu-screen-options"),g.slideUp("fast")):(h.attr("aria-expanded","true"),d.addClass("open"),d.addClass("active-menu-screen-options"),g.slideDown("fast")),!1}),e.on("click",function(){"true"===h.attr("aria-expanded")&&(h.attr("aria-expanded","false"),e.attr("aria-expanded","true"),d.addClass("open"),d.removeClass("active-menu-screen-options"),g.slideUp("fast"),f.slideDown("fast"))})},ready:function(){var a=this;this.container.find(".hide-column-tog").click(function(){var b=c(this),d=b.val();b.prop("checked")?a.checked(d):a.unchecked(d),a.saveManageColumnsState()}),this.container.find(".hide-column-tog").each(function(){var b=c(this),d=b.val();b.prop("checked")?a.checked(d):a.unchecked(d)})},saveManageColumnsState:function(){var a=this.hidden();c.post(b.ajax.settings.url,{action:"hidden-columns",hidden:a,screenoptionnonce:c("#screenoptionnonce").val(),page:"nav-menus"})},checked:function(a){this.container.addClass("field-"+a+"-active")},unchecked:function(a){this.container.removeClass("field-"+a+"-active")},hidden:function(){this.hidden=function(){return c(".hide-column-tog").not(":checked").map(function(){var a=this.id;return a.substring(a,a.length-5)}).get().join(",")}}}),a.Menus.MenuSection=a.Section.extend({initialize:function(b,d){var e=this;a.Section.prototype.initialize.call(e,b,d),e.deferred.initSortables=c.Deferred()},ready:function(){var b=this;if("undefined"==typeof b.params.menu_id)throw new Error("params.menu_id was not defined");b.active.validate=function(){return a.has(b.id)?!!a(b.id).get():!1},b.populateControls(),b.navMenuLocationSettings={},b.assignedLocations=new a.Value([]),a.each(function(a,c){var d=c.match(/^nav_menu_locations\[(.+?)]/);d&&(b.navMenuLocationSettings[d[1]]=a,a.bind(function(){b.refreshAssignedLocations()}))}),b.assignedLocations.bind(function(a){b.updateAssignedLocationsInSectionTitle(a)}),b.refreshAssignedLocations(),a.bind("pane-contents-reflowed",function(){b.container.parent().length&&(b.container.find(".menu-item .menu-item-reorder-nav button").attr({tabindex:"0","aria-hidden":"false"}),b.container.find(".menu-item.move-up-disabled .menus-move-up").attr({tabindex:"-1","aria-hidden":"true"}),b.container.find(".menu-item.move-down-disabled .menus-move-down").attr({tabindex:"-1","aria-hidden":"true"}),b.container.find(".menu-item.move-left-disabled .menus-move-left").attr({tabindex:"-1","aria-hidden":"true"}),b.container.find(".menu-item.move-right-disabled .menus-move-right").attr({tabindex:"-1","aria-hidden":"true"}))})},populateControls:function(){var b,c,d,e,f,g=this;b=g.id+"[name]",e=a.control(b),e||(e=new a.controlConstructor.nav_menu_name(b,{params:{type:"nav_menu_name",content:'<li id="customize-control-'+g.id.replace("[","-").replace("]","")+'-name" class="customize-control customize-control-nav_menu_name"></li>',label:a.Menus.data.l10n.menuNameLabel,active:!0,section:g.id,priority:0,settings:{"default":g.id}}}),a.control.add(e.id,e),e.active.set(!0)),d=a.control(g.id),d||(d=new a.controlConstructor.nav_menu(g.id,{params:{type:"nav_menu",content:'<li id="customize-control-'+g.id.replace("[","-").replace("]","")+'" class="customize-control customize-control-nav_menu"></li>',section:g.id,priority:998,active:!0,settings:{"default":g.id},menu_id:g.params.menu_id}}),a.control.add(d.id,d),d.active.set(!0)),c=g.id+"[auto_add]",f=a.control(c),f||(f=new a.controlConstructor.nav_menu_auto_add(c,{params:{type:"nav_menu_auto_add",content:'<li id="customize-control-'+g.id.replace("[","-").replace("]","")+'-auto-add" class="customize-control customize-control-nav_menu_auto_add"></li>',label:"",active:!0,section:g.id,priority:999,settings:{"default":g.id}}}),a.control.add(f.id,f),f.active.set(!0))},refreshAssignedLocations:function(){var a=this,b=a.params.menu_id,c=[];_.each(a.navMenuLocationSettings,function(a,d){a()===b&&c.push(d)}),a.assignedLocations.set(c)},updateAssignedLocationsInSectionTitle:function(b){var d,e=this;d=e.container.find(".accordion-section-title:first"),d.find(".menu-in-location").remove(),_.each(b,function(b){var e=c('<span class="menu-in-location"></span>');e.text(a.Menus.data.l10n.menuLocation.replace("%s",b)),d.append(e)}),e.container.toggleClass("assigned-to-menu-location",0!==b.length)},onChangeExpanded:function(b,d){var e=this;b&&(wpNavMenu.menuList=e.container.find(".accordion-section-content:first"),wpNavMenu.targetList=wpNavMenu.menuList,c("#menu-to-edit").removeAttr("id"),wpNavMenu.menuList.attr("id","menu-to-edit").addClass("menu"),_.each(a.section(e.id).controls(),function(a){"nav_menu_item"===a.params.type&&a.actuallyEmbed()}),"resolved"!==e.deferred.initSortables.state()&&(wpNavMenu.initSortables(),e.deferred.initSortables.resolve(wpNavMenu.menuList),a.control("nav_menu["+String(e.params.menu_id)+"]").reflowMenuItems())),a.Section.prototype.onChangeExpanded.call(e,b,d)}}),a.Menus.NewMenuSection=a.Section.extend({attachEvents:function(){var a=this;this.container.on("click",".add-menu-toggle",function(){a.expanded()?a.collapse():a.expand()})},onChangeExpanded:function(a){var b=this,c=b.container.find(".add-menu-toggle"),d=b.container.find(".new-menu-section-content"),e=b.container.closest(".wp-full-overlay-sidebar-content");a?(c.addClass("open"),c.attr("aria-expanded","true"),d.slideDown("fast",function(){e.scrollTop(e.height())})):(c.removeClass("open"),c.attr("aria-expanded","false"),d.slideUp("fast"),d.find(".menu-name-field").removeClass("invalid"))}}),a.Menus.MenuLocationControl=a.Control.extend({initialize:function(b,c){var d=this,e=b.match(/^nav_menu_locations\[(.+?)]/);d.themeLocation=e[1],a.Control.prototype.initialize.call(d,b,c)},ready:function(){var b=this,c=/^nav_menu\[(-?\d+)]/;b.setting.validate=function(a){return parseInt(a,10)},a.bind("add",function(a){var d,f,g=a.id.match(c);g&&!1!==a()&&(f=g[1],d=new Option(e(a().name),f),b.container.find("select").append(d))}),a.bind("remove",function(a){var d,e=a.id.match(c);e&&(d=parseInt(e[1],10),b.setting()===d&&b.setting.set(""),b.container.find("option[value="+d+"]").remove())}),a.bind("change",function(a){var d,f=a.id.match(c);f&&(d=parseInt(f[1],10),!1===a()?(b.setting()===d&&b.setting.set(""),b.container.find("option[value="+d+"]").remove()):b.container.find("option[value="+d+"]").text(e(a().name)))})}}),a.Menus.MenuItemControl=a.Control.extend({initialize:function(b,c){var d=this;a.Control.prototype.initialize.call(d,b,c),d.active.validate=function(){var b,c=a.section(d.section());return b=c?c.active():!1}},embed:function(){var b,c=this,d=c.section();d&&(b=a.section(d),b&&b.expanded()&&c.actuallyEmbed())},actuallyEmbed:function(){var a=this;"resolved"!==a.deferred.embedded.state()&&(a.renderContent(),a.deferred.embedded.resolve())},ready:function(){if("undefined"==typeof this.params.menu_item_id)throw new Error("params.menu_item_id was not defined");this._setupControlToggle(),this._setupReorderUI(),this._setupUpdateUI(),this._setupRemoveUI(),this._setupLinksUI(),this._setupTitleUI()},_setupControlToggle:function(){var a=this;this.container.find(".menu-item-handle").on("click",function(b){b.preventDefault(),b.stopPropagation();var c=a.getMenuControl();c.isReordering||c.isSorting||a.toggleForm()})},_setupReorderUI:function(){var a,d,e=this;a=b.template("menu-item-reorder-nav"),e.container.find(".item-controls").after(a),d=e.container.find(".menu-item-reorder-nav"),d.find(".menus-move-up, .menus-move-down, .menus-move-left, .menus-move-right").on("click",function(){var a=c(this);a.focus();var b=a.is(".menus-move-up"),d=a.is(".menus-move-down"),f=a.is(".menus-move-left"),g=a.is(".menus-move-right");b?e.moveUp():d?e.moveDown():f?e.moveLeft():g&&e.moveRight(),a.focus()})},_setupUpdateUI:function(){var b=this,c=b.setting();b.elements={},b.elements.url=new a.Element(b.container.find(".edit-menu-item-url")),b.elements.title=new a.Element(b.container.find(".edit-menu-item-title")),b.elements.attr_title=new a.Element(b.container.find(".edit-menu-item-attr-title")),b.elements.target=new a.Element(b.container.find(".edit-menu-item-target")),b.elements.classes=new a.Element(b.container.find(".edit-menu-item-classes")),b.elements.xfn=new a.Element(b.container.find(".edit-menu-item-xfn")),b.elements.description=new a.Element(b.container.find(".edit-menu-item-description")),_.each(b.elements,function(a,d){a.bind(function(c){a.element.is("input[type=checkbox]")&&(c=c?a.element.val():"");var e=b.setting();e&&e[d]!==c&&(e=_.clone(e),e[d]=c,b.setting.set(e))}),c&&a.set(c[d])}),b.setting.bind(function(c,d){var e,f=b.params.menu_item_id,g=[],h=[];!1===c?(e=a.control("nav_menu["+String(d.nav_menu_term_id)+"]"),b.container.remove(),_.each(e.getMenuItemControls(),function(a){d.menu_item_parent===a.setting().menu_item_parent&&a.setting().position>d.position?g.push(a):a.setting().menu_item_parent===f&&h.push(a)}),_.each(g,function(a){var b=_.clone(a.setting());b.position+=h.length,a.setting.set(b)}),_.each(h,function(a,b){var c=_.clone(a.setting());c.position=d.position+b,c.menu_item_parent=d.menu_item_parent,a.setting.set(c)}),e.debouncedReflowMenuItems()):(_.each(c,function(a,d){b.elements[d]&&b.elements[d].set(c[d])}),b.container.find(".menu-item-data-parent-id").val(c.menu_item_parent),(c.position!==d.position||c.menu_item_parent!==d.menu_item_parent)&&b.getMenuControl().debouncedReflowMenuItems())})},_setupRemoveUI:function(){var d,e=this;d=e.container.find(".item-delete"),d.on("click",function(){var d,f,g,h=!0;c("body").hasClass("adding-menu-items")||(h=!1),f=e.container.nextAll(".customize-control-nav_menu_item:visible").first(),g=e.container.prevAll(".customize-control-nav_menu_item:visible").first(),d=f.length?f.find(!1===h?".item-edit":".item-delete").first():g.length?g.find(!1===h?".item-edit":".item-delete").first():e.container.nextAll(".customize-control-nav_menu").find(".add-new-menu-item").first(),e.container.slideUp(function(){e.setting.set(!1),b.a11y.speak(a.Menus.data.l10n.itemDeleted),d.focus()})})},_setupLinksUI:function(){var b;b=this.container.find("a.original-link"),b.on("click",function(b){b.preventDefault(),a.previewer.previewUrl(b.target.toString())})},_setupTitleUI:function(){var b=this;b.setting.bind(function(c){if(c){var d=b.container.find(".menu-item-title");c.title?d.text(c.title).removeClass("no-title"):d.text(a.Menus.data.l10n.untitled).addClass("no-title")}})},getDepth:function(){var b=this,c=b.setting(),d=0;if(!c)return 0;for(;c&&c.menu_item_parent&&(d+=1,b=a.control("nav_menu_item["+c.menu_item_parent+"]"));)c=b.setting();return d},renderContent:function(){var b,c=this,d=c.setting();c.params.title=d.title||"",c.params.depth=c.getDepth(),c.container.data("item-depth",c.params.depth),b=["menu-item","menu-item-depth-"+String(c.params.depth),"menu-item-"+d.object,"menu-item-edit-inactive"],d.invalid?(b.push("invalid"),c.params.title=a.Menus.data.invalidTitleTpl.replace("%s",c.params.title)):"draft"===d.status&&(b.push("pending"),c.params.title=a.Menus.data.pendingTitleTpl.replace("%s",c.params.title)),c.params.el_classes=b.join(" "),c.params.item_type_label=d.type_label,c.params.item_type=d.type,c.params.url=d.url,c.params.target=d.target,c.params.attr_title=d.attr_title,c.params.classes=_.isArray(d.classes)?d.classes.join(" "):d.classes,c.params.attr_title=d.attr_title,c.params.xfn=d.xfn,c.params.description=d.description,c.params.parent=d.menu_item_parent,c.params.original_title=d.original_title||"",c.container.addClass(c.params.el_classes),a.Control.prototype.renderContent.call(c)},getMenuControl:function(){var b=this,c=b.setting();return c&&c.nav_menu_term_id?a.control("nav_menu["+c.nav_menu_term_id+"]"):null},expandControlSection:function(){var a=this.container.closest(".accordion-section");a.hasClass("open")||a.find(".accordion-section-title:first").trigger("click")},expandForm:function(){this.toggleForm(!0)},collapseForm:function(){this.toggleForm(!1)},toggleForm:function(b){var c,d,e,f=this;c=this.container,d=c.find(".menu-item-settings:first"),"undefined"==typeof b&&(b=!d.is(":visible")),d.is(":visible")!==b&&(b?(a.control.each(function(a){f.params.type===a.params.type&&f!==a&&a.collapseForm()}),e=function(){c.removeClass("menu-item-edit-inactive").addClass("menu-item-edit-active"),f.container.trigger("expanded")},c.find(".item-edit").attr("aria-expanded","true"),d.slideDown("fast",e),f.container.trigger("expand")):(e=function(){c.addClass("menu-item-edit-inactive").removeClass("menu-item-edit-active"),f.container.trigger("collapsed")},f.container.trigger("collapse"),c.find(".item-edit").attr("aria-expanded","false"),d.slideUp("fast",e)))},focus:function(){this.expandControlSection(),this.expandForm(),this.container.find(".menu-item-settings :focusable:first").focus()},moveUp:function(){this._changePosition(-1),b.a11y.speak(a.Menus.data.l10n.movedUp)},moveDown:function(){this._changePosition(1),b.a11y.speak(a.Menus.data.l10n.movedDown)},moveLeft:function(){this._changeDepth(-1),b.a11y.speak(a.Menus.data.l10n.movedLeft)},moveRight:function(){this._changeDepth(1),b.a11y.speak(a.Menus.data.l10n.movedRight)},_changePosition:function(a){var b,d,e=this,f=_.clone(e.setting()),g=[];if(1!==a&&-1!==a)throw new Error("Offset changes by 1 are only supported.");if(e.setting()){if(_(e.getMenuControl().getMenuItemControls()).each(function(a){a.setting().menu_item_parent===f.menu_item_parent&&g.push(a.setting)}),g.sort(function(a,b){return a().position-b().position}),d=_.indexOf(g,e.setting),-1===d)throw new Error("Expected setting to be among siblings.");0===d&&0>a||d===g.length-1&&a>0||(b=g[d+a],b&&b.set(c.extend(_.clone(b()),{position:f.position})),f.position+=a,e.setting.set(f))}},_changeDepth:function(b){if(1!==b&&-1!==b)throw new Error("Offset changes by 1 are only supported.");var d,e,f,g=this,h=_.clone(g.setting()),i=[];if(_(g.getMenuControl().getMenuItemControls()).each(function(a){a.setting().menu_item_parent===h.menu_item_parent&&i.push(a)}),i.sort(function(a,b){return a.setting().position-b.setting().position}),d=_.indexOf(i,g),-1===d)throw new Error("Expected control to be among siblings.");if(-1===b){if(!h.menu_item_parent)return;f=a.control("nav_menu_item["+h.menu_item_parent+"]"),_(i).chain().slice(d).each(function(a,b){a.setting.set(c.extend({},a.setting(),{menu_item_parent:g.params.menu_item_id,position:b}))}),_(g.getMenuControl().getMenuItemControls()).each(function(a){var b,d;d=a.setting().menu_item_parent===f.setting().menu_item_parent&&a.setting().position>f.setting().position,d&&(b=_.clone(a.setting()),a.setting.set(c.extend(b,{position:b.position+1})))}),h.position=f.setting().position+1,h.menu_item_parent=f.setting().menu_item_parent,g.setting.set(h)}else if(1===b){if(0===d)return;e=i[d-1],h.menu_item_parent=e.params.menu_item_id,h.position=0,_(g.getMenuControl().getMenuItemControls()).each(function(a){a.setting().menu_item_parent===h.menu_item_parent&&(h.position=Math.max(h.position,a.setting().position))}),h.position+=1,g.setting.set(h)}}}),a.Menus.MenuNameControl=a.Control.extend({ready:function(){var b=this,c=b.setting();b.active.validate=function(){var c,d=a.section(b.section());return c=d?d.active():!1},b.nameElement=new a.Element(b.container.find(".menu-name-field")),b.nameElement.bind(function(a){var c=b.setting();c&&c.name!==a&&(c=_.clone(c),c.name=a,b.setting.set(c))}),c&&b.nameElement.set(c.name),b.setting.bind(function(a){a&&b.nameElement.set(a.name)})}}),a.Menus.MenuAutoAddControl=a.Control.extend({ready:function(){var b=this,c=b.setting();b.active.validate=function(){var c,d=a.section(b.section());return c=d?d.active():!1},b.autoAddElement=new a.Element(b.container.find("input[type=checkbox].auto_add")),b.autoAddElement.bind(function(a){var c=b.setting();c&&c.name!==a&&(c=_.clone(c),c.auto_add=a,b.setting.set(c))}),c&&b.autoAddElement.set(c.auto_add),b.setting.bind(function(a){a&&b.autoAddElement.set(a.auto_add)})}}),a.Menus.MenuControl=a.Control.extend({ready:function(){var b,d,f,g=this,h=g.params.menu_id,i=g.setting();if("undefined"==typeof this.params.menu_id)throw new Error("params.menu_id was not defined");g.active.validate=function(){var b,c=a.section(g.section());return b=c?c.active():!1},g.$controlSection=g.container.closest(".control-section"),g.$sectionContent=g.container.closest(".accordion-section-content"),this._setupModel(),a.section(g.section(),function(a){a.deferred.initSortables.done(function(a){g._setupSortable(a)})}),this._setupAddition(),this._setupLocations(),this._setupTitle(),i&&(b=e(i.name),a.control.each(function(c){c.extended(a.controlConstructor.widget_form)&&"nav_menu"===c.params.widget_id_base&&(c.container.find(".nav-menu-widget-form-controls:first").show(),c.container.find(".nav-menu-widget-no-menus-message:first").hide(),f=c.container.find("select"),0===f.find("option[value="+String(h)+"]").length&&f.append(new Option(b,h)))}),d=c("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )"),d.find(".nav-menu-widget-form-controls:first").show(),d.find(".nav-menu-widget-no-menus-message:first").hide(),f=d.find(".widget-inside select:first"),0===f.find("option[value="+String(h)+"]").length&&f.append(new Option(b,h)))},_setupModel:function(){var b=this,c=b.params.menu_id;b.setting.bind(function(d){var f;!1===d?b._handleDeletion():(f=e(d.name),a.control.each(function(b){if(b.extended(a.controlConstructor.widget_form)&&"nav_menu"===b.params.widget_id_base){var d=b.container.find("select");d.find("option[value="+String(c)+"]").text(f)}}))}),b.container.find(".menu-delete").on("click",function(a){a.stopPropagation(),a.preventDefault(),b.setting.set(!1)})},_setupSortable:function(b){var c=this;if(!b.is(c.$sectionContent))throw new Error("Unexpected menuList.");b.on("sortstart",function(){c.isSorting=!0}),b.on("sortstop",function(){setTimeout(function(){var b=c.$sectionContent.sortable("toArray"),d=[],e=0,f=10;c.isSorting=!1,_.each(b,function(b){var c,e,f;f=b.match(/^customize-control-nav_menu_item-(-?\d+)$/,""),f&&(c=parseInt(f[1],10),e=a.control("nav_menu_item["+String(c)+"]"),e&&d.push(e))}),_.each(d,function(a){if(!1!==a.setting()){var b=_.clone(a.setting());e+=1,f+=1,b.position=e,a.priority(f),b.menu_item_parent=parseInt(a.container.find(".menu-item-data-parent-id").val(),10),b.menu_item_parent||(b.menu_item_parent=0),a.setting.set(b)}})})}),c.isReordering=!1,this.container.find(".reorder-toggle").on("click",function(){c.toggleReordering(!c.isReordering)})},_setupAddition:function(){var b=this;this.container.find(".add-new-menu-item").on("click",function(d){b.$sectionContent.hasClass("reordering")||(c("body").hasClass("adding-menu-items")?(c(this).attr("aria-expanded","false"),a.Menus.availableMenuItemsPanel.close(),d.stopPropagation()):(c(this).attr("aria-expanded","true"),a.Menus.availableMenuItemsPanel.open(b)))})},_handleDeletion:function(){var d,e,f,g=this,h=g.params.menu_id,i=0;d=a.section(g.section()),e=function(){d.container.remove(),a.section.remove(d.id)},d&&d.expanded()?d.collapse({completeCallback:function(){e(),b.a11y.speak(a.Menus.data.l10n.menuDeleted),a.panel("nav_menus").focus()}}):e(),a.each(function(a){/^nav_menu\[/.test(a.id)&&!1!==a()&&(i+=1)}),a.control.each(function(b){if(b.extended(a.controlConstructor.widget_form)&&"nav_menu"===b.params.widget_id_base){var c=b.container.find("select");c.val()===String(h)&&c.prop("selectedIndex",0).trigger("change"),b.container.find(".nav-menu-widget-form-controls:first").toggle(0!==i),b.container.find(".nav-menu-widget-no-menus-message:first").toggle(0===i),b.container.find("option[value="+String(h)+"]").remove()}}),f=c("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )"),f.find(".nav-menu-widget-form-controls:first").toggle(0!==i),f.find(".nav-menu-widget-no-menus-message:first").toggle(0===i),f.find("option[value="+String(h)+"]").remove()},_setupLocations:function(){var b=this;b.container.find(".assigned-menu-location").each(function(){var d,f,g=c(this),h=g.find("input[type=checkbox]"),i=a("nav_menu_locations["+h.data("location-id")+"]");f=function(b){var c=a("nav_menu["+String(b)+"]");b&&c&&c()?g.find(".theme-location-set").show().find("span").text(e(c().name)):g.find(".theme-location-set").hide()},d=new a.Element(h),d.set(i.get()===b.params.menu_id),h.on("change",function(){i.set(this.checked?b.params.menu_id:0)}),i.bind(function(a){d.set(a===b.params.menu_id),f(a)}),f(i.get())})},_setupTitle:function(){var b=this;b.setting.bind(function(d){if(d){var f=b.container.closest(".accordion-section"),g=b.params.menu_id,h=f.find(".accordion-section-title"),i=f.find(".customize-section-title h3"),j=f.find(".menu-in-location"),k=i.find(".customize-action"),l=e(d.name);h.text(l),j.length&&j.appendTo(h),i.text(l),k.length&&k.prependTo(i),a.control.each(function(a){/^nav_menu_locations\[/.test(a.id)&&a.container.find("option[value="+g+"]").text(l)}),f.find(".customize-control-checkbox input").each(function(){c(this).prop("checked")&&c(".current-menu-location-name-"+c(this).data("location-id")).text(l)})}})},toggleReordering:function(c){var d=this.container.find(".add-new-menu-item"),e=this.container.find(".reorder-toggle"),f=this.$sectionContent.find(".item-title");c=Boolean(c),c!==this.$sectionContent.hasClass("reordering")&&(this.isReordering=c,this.$sectionContent.toggleClass("reordering",c),this.$sectionContent.sortable(this.isReordering?"disable":"enable"),this.isReordering?(d.attr({tabindex:"-1","aria-hidden":"true"}),e.attr("aria-label",a.Menus.data.l10n.reorderLabelOff),b.a11y.speak(a.Menus.data.l10n.reorderModeOn),f.attr("aria-hidden","false")):(d.removeAttr("tabindex aria-hidden"),e.attr("aria-label",a.Menus.data.l10n.reorderLabelOn),b.a11y.speak(a.Menus.data.l10n.reorderModeOff),f.attr("aria-hidden","true")),c&&_(this.getMenuItemControls()).each(function(a){a.collapseForm()}))},getMenuItemControls:function(){var b=this,c=[],d=b.params.menu_id;return a.control.each(function(a){"nav_menu_item"===a.params.type&&a.setting()&&d===a.setting().nav_menu_term_id&&c.push(a)}),c},reflowMenuItems:function(){var a,b=this,c=b.getMenuItemControls();a=function(b){var c=[],d=b.currentParent;_.each(b.menuItemControls,function(a){d===a.setting().menu_item_parent&&c.push(a)}),c.sort(function(a,b){return a.setting().position-b.setting().position}),_.each(c,function(c){b.currentAbsolutePosition+=1,c.priority.set(b.currentAbsolutePosition),c.container.hasClass("menu-item-depth-"+String(b.currentDepth))||(_.each(c.container.prop("className").match(/menu-item-depth-\d+/g),function(a){c.container.removeClass(a)}),c.container.addClass("menu-item-depth-"+String(b.currentDepth))),c.container.data("item-depth",b.currentDepth),b.currentDepth+=1,b.currentParent=c.params.menu_item_id,a(b),b.currentDepth-=1,b.currentParent=d}),c.length&&(_(c).each(function(a){a.container.removeClass("move-up-disabled move-down-disabled move-left-disabled move-right-disabled"),0===b.currentDepth?a.container.addClass("move-left-disabled"):10===b.currentDepth&&a.container.addClass("move-right-disabled")}),c[0].container.addClass("move-up-disabled").addClass("move-right-disabled").toggleClass("move-down-disabled",1===c.length),c[c.length-1].container.addClass("move-down-disabled").toggleClass("move-up-disabled",1===c.length))},a({menuItemControls:c,currentParent:0,currentDepth:0,currentAbsolutePosition:0}),b.container.find(".reorder-toggle").toggle(c.length>1)},debouncedReflowMenuItems:_.debounce(function(){this.reflowMenuItems.apply(this,arguments)},0),addItemToMenu:function(d){var e,f,g,h,i,j=this,k=0,l=10;
+return _.each(j.getMenuItemControls(),function(a){!1!==a.setting()&&(l=Math.max(l,a.priority()),0===a.setting().menu_item_parent&&(k=Math.max(k,a.setting().position)))}),k+=1,l+=1,d=c.extend({},a.Menus.data.defaultSettingValues.nav_menu_item,d,{nav_menu_term_id:j.params.menu_id,original_title:d.title,position:k}),delete d.id,i=a.Menus.generatePlaceholderAutoIncrementId(),e="nav_menu_item["+String(i)+"]",f={type:"nav_menu_item",transport:"postMessage",previewer:a.previewer},g=a.create(e,e,{},f),g.set(d),h=new a.controlConstructor.nav_menu_item(e,{params:{type:"nav_menu_item",content:'<li id="customize-control-nav_menu_item-'+String(i)+'" class="customize-control customize-control-nav_menu_item"></li>',section:j.id,priority:l,active:!0,settings:{"default":e},menu_item_id:i},previewer:a.previewer}),a.control.add(e,h),g.preview(),j.debouncedReflowMenuItems(),b.a11y.speak(a.Menus.data.l10n.itemAdded),h}}),a.Menus.NewMenuControl=a.Control.extend({ready:function(){this._bindHandlers()},_bindHandlers:function(){var a=this,b=c("#customize-control-new_menu_name input"),d=c("#create-new-menu-submit");b.on("keydown",function(b){13===b.which&&a.submit()}),d.on("click",function(b){a.submit(),b.stopPropagation(),b.preventDefault()})},submit:function(){var d,f,g=this,h=g.container.closest(".accordion-section-new-menu"),i=h.find(".menu-name-field").first(),j=i.val(),k=a.Menus.generatePlaceholderAutoIncrementId();return j?(f="nav_menu["+String(k)+"]",a.create(f,f,{},{type:"nav_menu",transport:"postMessage",previewer:a.previewer}),a(f).set(c.extend({},a.Menus.data.defaultSettingValues.nav_menu,{name:j})),d=new a.Menus.MenuSection(f,{params:{id:f,panel:"nav_menus",title:e(j),customizeAction:a.Menus.data.l10n.customizingMenus,type:"nav_menu",priority:10,menu_id:k}}),a.section.add(f,d),i.val(""),i.removeClass("invalid"),b.a11y.speak(a.Menus.data.l10n.menuAdded),a.section(f).focus(),void c("#menu-to-edit").css("margin-top",0)):(i.addClass("invalid"),void i.focus())}}),c.extend(a.controlConstructor,{nav_menu_location:a.Menus.MenuLocationControl,nav_menu_item:a.Menus.MenuItemControl,nav_menu:a.Menus.MenuControl,nav_menu_name:a.Menus.MenuNameControl,nav_menu_auto_add:a.Menus.MenuAutoAddControl,new_menu:a.Menus.NewMenuControl}),c.extend(a.panelConstructor,{nav_menus:a.Menus.MenusPanel}),c.extend(a.sectionConstructor,{nav_menu:a.Menus.MenuSection,new_menu:a.Menus.NewMenuSection}),a.bind("ready",function(){a.Menus.availableMenuItemsPanel=new a.Menus.AvailableMenuItemsPanelView({collection:a.Menus.availableMenuItems}),a.bind("saved",function(b){(b.nav_menu_updates||b.nav_menu_item_updates)&&a.Menus.applySavedData(b)}),a.previewer.bind("refresh",function(){a.previewer.refresh()})}),a.Menus.applySavedData=function(d){var e={};_(d.nav_menu_updates).each(function(d){var f,g,h,i,j,k,l,m,n,o,p,q;if("inserted"===d.status){if(!d.previous_term_id)throw new Error("Expected previous_term_id");if(!d.term_id)throw new Error("Expected term_id");if(f="nav_menu["+String(d.previous_term_id)+"]",!a.has(f))throw new Error("Expected setting to exist: "+f);if(i=a(f),!a.section.has(f))throw new Error("Expected control to exist: "+f);if(m=a.section(f),l=i.get(),!l)throw new Error("Did not expect setting to be empty (deleted).");l=c.extend(_.clone(l),d.saved_value),e[d.previous_term_id]=d.term_id,g="nav_menu["+String(d.term_id)+"]",j=a.create(g,g,l,{type:"nav_menu",transport:"postMessage",previewer:a.previewer}),m.expanded()&&m.collapse(),n=new a.Menus.MenuSection(g,{params:{id:g,panel:"nav_menus",title:l.name,customizeAction:a.Menus.data.l10n.customizingMenus,type:"nav_menu",priority:m.priority.get(),active:!0,menu_id:d.term_id}}),a.section.add(g,n),a.control.each(function(b){if(b.extended(a.controlConstructor.widget_form)&&"nav_menu"===b.params.widget_id_base){var c,e,f;c=b.container.find("select"),e=c.find("option[value="+String(d.previous_term_id)+"]"),f=c.find("option[value="+String(d.term_id)+"]"),f.prop("selected",e.prop("selected")),e.remove()}}),i.callbacks.disable(),i.set(!1),i.preview(),j.preview(),i._dirty=!1,m.container.remove(),a.section.remove(f),q=0,a.each(function(a){/^nav_menu\[/.test(a.id)&&!1!==a()&&(q+=1)}),p=c("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )"),p.find(".nav-menu-widget-form-controls:first").toggle(0!==q),p.find(".nav-menu-widget-no-menus-message:first").toggle(0===q),p.find("option[value="+String(d.previous_term_id)+"]").remove(),b.customize.control.each(function(a){/^nav_menu_locations\[/.test(a.id)&&a.container.find("option[value="+String(d.previous_term_id)+"]").remove()}),a.each(function(b){var c=a.state("saved").get();/^nav_menu_locations\[/.test(b.id)&&b.get()===d.previous_term_id&&(b.set(d.term_id),b._dirty=!1,a.state("saved").set(c),b.preview())}),m.expanded.get()&&n.expand()}else if("updated"===d.status){if(h="nav_menu["+String(d.term_id)+"]",!a.has(h))throw new Error("Expected setting to exist: "+h);k=a(h),_.isEqual(d.saved_value,k.get())||(o=a.state("saved").get(),k.set(d.saved_value),k._dirty=!1,a.state("saved").set(o))}}),_(d.nav_menu_item_updates).each(function(b){var c,d,f,g,h,i,j;if("inserted"===b.status){if(!b.previous_post_id)throw new Error("Expected previous_post_id");if(!b.post_id)throw new Error("Expected post_id");if(c="nav_menu_item["+String(b.previous_post_id)+"]",!a.has(c))throw new Error("Expected setting to exist: "+c);if(f=a(c),!a.control.has(c))throw new Error("Expected control to exist: "+c);if(i=a.control(c),h=f.get(),!h)throw new Error("Did not expect setting to be empty (deleted).");h=_.clone(h),e[h.nav_menu_term_id]&&(h.nav_menu_term_id=e[h.nav_menu_term_id]),d="nav_menu_item["+String(b.post_id)+"]",g=a.create(d,d,h,{type:"nav_menu_item",transport:"postMessage",previewer:a.previewer}),j=new a.controlConstructor.nav_menu_item(d,{params:{type:"nav_menu_item",content:'<li id="customize-control-nav_menu_item-'+String(b.post_id)+'" class="customize-control customize-control-nav_menu_item"></li>',menu_id:b.post_id,section:"nav_menu["+String(h.nav_menu_term_id)+"]",priority:i.priority.get(),active:!0,settings:{"default":d},menu_item_id:b.post_id},previewer:a.previewer}),i.container.remove(),a.control.remove(c),a.control.add(d,j),f.callbacks.disable(),f.set(!1),f.preview(),g.preview(),f._dirty=!1,j.container.toggleClass("menu-item-edit-inactive",i.container.hasClass("menu-item-edit-inactive"))}}),_.each(d.widget_nav_menu_updates,function(b,c){var d=a(c);d&&(d._value=b,d.preview())})},a.Menus.focusMenuItemControl=function(b){var c=a.Menus.getMenuItemControl(b);c&&c.focus()},a.Menus.getMenuControl=function(b){return a.control("nav_menu["+b+"]")},a.Menus.getMenuItemControl=function(b){return a.control(d(b))}}(wp.customize,wp,jQuery);
\ No newline at end of file
diff --git a/wp-includes/class-wp-customize-nav-menus.php b/wp-includes/class-wp-customize-nav-menus.php
index 030336fb51..00696004e2 100644
--- a/wp-includes/class-wp-customize-nav-menus.php
+++ b/wp-includes/class-wp-customize-nav-menus.php
@@ -217,7 +217,7 @@ final class WP_Customize_Nav_Menus {
 		$items = $this->search_available_items_query( array( 'pagenum' => $p, 's' => $s ) );
 
 		if ( empty( $items ) ) {
-			wp_send_json_error( array( 'message' => __( 'No menu items found.' ) ) );
+			wp_send_json_error( array( 'message' => __( 'No results found.' ) ) );
 		} else {
 			wp_send_json_success( array( 'items' => $items ) );
 		}
@@ -718,6 +718,7 @@ final class WP_Customize_Nav_Menus {
 					<input type="text" id="menu-items-search" placeholder="<?php esc_attr_e( 'Search menu items&hellip;' ) ?>" aria-describedby="menu-items-search-desc" />
 					<p class="screen-reader-text" id="menu-items-search-desc"><?php _e( 'The search results will be updated as you type.' ); ?></p>
 					<span class="spinner"></span>
+					<span class="clear-results"><span class="screen-reader-text"><?php _e( 'Clear Results' ); ?></span></span>
 				</div>
 				<ul class="accordion-section-content" data-type="search"></ul>
 			</div>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d0e9cdd368..85cc2dcee9 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-beta4-33510';
+$wp_version = '4.3-beta4-33511';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.