Ticket #38211: 38211.3.diff

src/wp-admin/js/updates.js

@@ -70 +70 @@
         wp.updates.searchTerm = '';
 
         /**
+         * Minimum number of characters before an ajax search is fired.
+         *
+         * @since 4.8.0
+         *
+         * @type {number}
+         */
+        wp.updates.searchMinCharacters = 2;
+
+        /**
          * Whether filesystem credentials need to be requested from the user.
          *
          * @since 4.2.0
@@ -2149 +2158 @@
                         };
                         searchLocation = location.href.split( '?' )[ 0 ] + '?' + $.param( _.omit( data, [ '_ajax_nonce', 'pagenow' ] ) );
 
+                        // Set the autocomplete attribute, turing off autocomplete 1 character before ajax search kicks in.
+                        if ( 0 === $pluginInstallSearch.val().length || $pluginInstallSearch.val().length < wp.updates.searchMinCharacters - 1 ) {
+                                $pluginInstallSearch.attr( 'autocomplete', 'on' );
+                        } else {
+                                $pluginInstallSearch.attr( 'autocomplete', 'off' );
+                        }
+
+                        // Don't search when user has typed a a minimum number of characters (default 2, 0 clears the search).
+                        if ( 0 !== $pluginInstallSearch.val().length && $pluginInstallSearch.val().length < wp.updates.searchMinCharacters ) {
+                                return;
+                        }
+
                         // Clear on escape.
                         if ( 'keyup' === event.type && 27 === event.which ) {
                                 event.target.value = '';
@@ -2202 +2223 @@
 
                 if ( $pluginSearch.length ) {
                         $pluginSearch.attr( 'aria-describedby', 'live-search-desc' );
+
                 }
 
                 /**
@@ -2219 +2241 @@
                         },
                         queryArgs;
 
+                        // Set the autocomplete attribute, turing off autocomplete 1 character before ajax search kicks in.
+                        if ( 0 === $pluginSearch.val().length || $pluginSearch.val().length < wp.updates.searchMinCharacters - 1 ) {
+                                $pluginSearch.attr( 'autocomplete', 'on' );
+                        } else {
+                                $pluginSearch.attr( 'autocomplete', 'off' );
+                        }
+
+                        // Don't search when user has typed a a minimum number of characters (default 2, 0 clears the search).
+                        if ( 0 !== $pluginSearch.val().length && $pluginSearch.val().length < wp.updates.searchMinCharacters ) {
+                                return;
+                        }
+
                         // Clear on escape.
                         if ( 'keyup' === event.type && 27 === event.which ) {
                                 event.target.value = '';