Quick/Bulk Edit: Fix undefined error when initializing UI Autocomplete 1.12.1 on non-existing element and then attempting to use the autocomplete instance.

Example: `jQuery( '#nonexisting' ).autocomplete().autocomplete( 'instance' ).something`.

Props _luigi, sabernhardt, donmhico, azaozz.
Fixes #51872.
Built from https://develop.svn.wordpress.org/trunk@49703


git-svn-id: http://core.svn.wordpress.org/trunk@49426 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/inline-edit-post.js

@@ -329,6 +329,11 @@ window.wp = window.wp || {};
 				textarea = $('textarea.tax_input_' + taxname, editRow),
 				comma = wp.i18n._x( ',', 'tag delimiter' ).trim();
 
+			// Ensure the textarea exists.
+			if ( ! textarea.length ) {
+				return;
+			}
+
 			terms.find( 'img' ).replaceWith( function() { return this.alt; } );
 			terms = terms.text();
 

wp-admin/js/tags-suggest.js

@@ -38,6 +38,11 @@
 		var last;
 		var $element = $( this );
 
+		// Do not initialize if the element doesn't exist.
+		if ( ! $element.length ) {
+			return;
+		}
+
 		options = options || {};
 
 		var taxonomy = options.taxonomy || $element.attr( 'data-wp-taxonomy' ) || 'post_tag';
@@ -146,13 +151,18 @@
 
 		$element.on( 'keydown', function() {
 			$element.removeAttr( 'aria-activedescendant' );
-		} )
-		.autocomplete( options )
-		.autocomplete( 'instance' )._renderItem = function( ul, item ) {
-			return $( '<li role="option" id="wp-tags-autocomplete-' + item.id + '">' )
-				.text( item.name )
-				.appendTo( ul );
-		};
+		} );
+
+		$element.autocomplete( options );
+
+		// Ensure the autocomplete instance exists.
+		if ( $element.autocomplete( 'instance' ) ) {
+			$element.autocomplete( 'instance' )._renderItem = function( ul, item ) {
+				return $( '<li role="option" id="wp-tags-autocomplete-' + item.id + '">' )
+					.text( item.name )
+					.appendTo( ul );
+			};
+		}
 
 		$element.attr( {
 			'role': 'combobox',

wp-admin/js/tags-suggest.min.js

@@ -1,2 +1,2 @@
 /*! This file is auto-generated */
-!function(u){if(void 0!==window.uiAutocompleteL10n){var s=0,a=wp.i18n._x(",","tag delimiter")||",";u.fn.wpTagsSuggest=function(e){var i,o,n=u(this),r=(e=e||{}).taxonomy||n.attr("data-wp-taxonomy")||"post_tag";return delete e.taxonomy,e=u.extend({source:function(e,a){var t;o!==e.term?(t=function(e){return l(e).pop()}(e.term),u.get(window.ajaxurl,{action:"ajax-tag-search",tax:r,q:t}).always(function(){n.removeClass("ui-autocomplete-loading")}).done(function(e){var t,o=[];if(e){for(t in e=e.split("\n")){var n=++s;o.push({id:n,name:e[t]})}a(i=o)}else a(o)}),o=e.term):a(i)},focus:function(e,t){n.attr("aria-activedescendant","wp-tags-autocomplete-"+t.item.id),e.preventDefault()},select:function(e,t){var o=l(n.val());return o.pop(),o.push(t.item.name,""),n.val(o.join(a+" ")),u.ui.keyCode.TAB===e.keyCode?(window.wp.a11y.speak(wp.i18n.__("Term selected."),"assertive"),e.preventDefault()):u.ui.keyCode.ENTER===e.keyCode&&(window.tagBox&&(window.tagBox.userAction="add",window.tagBox.flushTags(u(this).closest(".tagsdiv"))),e.preventDefault(),e.stopPropagation()),!1},open:function(){n.attr("aria-expanded","true")},close:function(){n.attr("aria-expanded","false")},minLength:2,position:{my:"left top+2",at:"left bottom",collision:"none"},messages:{noResults:window.uiAutocompleteL10n.noResults,results:function(e){return 1<e?window.uiAutocompleteL10n.manyResults.replace("%d",e):window.uiAutocompleteL10n.oneResult}}},e),n.on("keydown",function(){n.removeAttr("aria-activedescendant")}).autocomplete(e).autocomplete("instance")._renderItem=function(e,t){return u('<li role="option" id="wp-tags-autocomplete-'+t.id+'">').text(t.name).appendTo(e)},n.attr({role:"combobox","aria-autocomplete":"list","aria-expanded":"false","aria-owns":n.autocomplete("widget").attr("id")}).on("focus",function(){l(n.val()).pop()&&n.autocomplete("search")}).autocomplete("widget").addClass("wp-tags-autocomplete").attr("role","listbox").removeAttr("tabindex").on("menufocus",function(e,t){t.item.attr("aria-selected","true")}).on("menublur",function(){u(this).find('[aria-selected="true"]').removeAttr("aria-selected")}),this}}function l(e){return e.split(new RegExp(a+"\\s*"))}}(jQuery);
+!function(u){if(void 0!==window.uiAutocompleteL10n){var s=0,a=wp.i18n._x(",","tag delimiter")||",";u.fn.wpTagsSuggest=function(e){var i,o,n=u(this);if(n.length){var r=(e=e||{}).taxonomy||n.attr("data-wp-taxonomy")||"post_tag";return delete e.taxonomy,e=u.extend({source:function(e,a){var t;o!==e.term?(t=function(e){return l(e).pop()}(e.term),u.get(window.ajaxurl,{action:"ajax-tag-search",tax:r,q:t}).always(function(){n.removeClass("ui-autocomplete-loading")}).done(function(e){var t,o=[];if(e){for(t in e=e.split("\n")){var n=++s;o.push({id:n,name:e[t]})}a(i=o)}else a(o)}),o=e.term):a(i)},focus:function(e,t){n.attr("aria-activedescendant","wp-tags-autocomplete-"+t.item.id),e.preventDefault()},select:function(e,t){var o=l(n.val());return o.pop(),o.push(t.item.name,""),n.val(o.join(a+" ")),u.ui.keyCode.TAB===e.keyCode?(window.wp.a11y.speak(wp.i18n.__("Term selected."),"assertive"),e.preventDefault()):u.ui.keyCode.ENTER===e.keyCode&&(window.tagBox&&(window.tagBox.userAction="add",window.tagBox.flushTags(u(this).closest(".tagsdiv"))),e.preventDefault(),e.stopPropagation()),!1},open:function(){n.attr("aria-expanded","true")},close:function(){n.attr("aria-expanded","false")},minLength:2,position:{my:"left top+2",at:"left bottom",collision:"none"},messages:{noResults:window.uiAutocompleteL10n.noResults,results:function(e){return 1<e?window.uiAutocompleteL10n.manyResults.replace("%d",e):window.uiAutocompleteL10n.oneResult}}},e),n.on("keydown",function(){n.removeAttr("aria-activedescendant")}),n.autocomplete(e),n.autocomplete("instance")&&(n.autocomplete("instance")._renderItem=function(e,t){return u('<li role="option" id="wp-tags-autocomplete-'+t.id+'">').text(t.name).appendTo(e)}),n.attr({role:"combobox","aria-autocomplete":"list","aria-expanded":"false","aria-owns":n.autocomplete("widget").attr("id")}).on("focus",function(){l(n.val()).pop()&&n.autocomplete("search")}).autocomplete("widget").addClass("wp-tags-autocomplete").attr("role","listbox").removeAttr("tabindex").on("menufocus",function(e,t){t.item.attr("aria-selected","true")}).on("menublur",function(){u(this).find('[aria-selected="true"]').removeAttr("aria-selected")}),this}}}function l(e){return e.split(new RegExp(a+"\\s*"))}}(jQuery);

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.7-alpha-49702';
+$wp_version = '5.7-alpha-49703';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.