Merge "Add feature flag for ScopedTypeaheadSearch"

Author: jenkins-bot

repo/config/Wikibase.default.php

@@ -457,4 +457,14 @@
 	 * @see https://phabricator.wikimedia.org/T297393
 	 */
 	'tmpEnableMulLanguageCode' => false,
+
+	/**
+	 * @note This config option is primarily added for the Wikidata transition use-case
+	 * and must be considered temporary. It will be removed in the future with no warning.
+	 *
+	 * @var bool Whether to enable the "scoped type-ahead search" component,
+	 * replacing the standard search bar in Vector 2022.
+	 * @see https://phabricator.wikimedia.org/T338483
+	 */
+	'tmpEnableScopedTypeaheadSearch' => false,
 ];

repo/includes/RepoHooks.php

@@ -85,7 +85,11 @@ public static function onBeforePageDisplay( OutputPage $out, Skin $skin ) {
 		if ( $settings->getSetting( 'enableEntitySearchUI' ) === true ) {
 			$skinName = $skin->getSkinName();
 			if ( $skinName === 'vector-2022' ) {
-				$out->addModules( 'wikibase.vector.searchClient' );
+				if ( $settings->getSetting( 'tmpEnableScopedTypeaheadSearch' ) ) {
+					$out->addModules( 'wikibase.vector.scopedTypeaheadSearch' );
+				} else {
+					$out->addModules( 'wikibase.vector.searchClient' );
+				}
 			} elseif ( $skinName !== 'minerva' ) {
 				// Minerva uses its own search widget.
 				$out->addModules( 'wikibase.ui.entitysearch' );
@@ -983,6 +987,18 @@ public static function onResourceLoaderRegisterModules( ResourceLoader $resource
 			$modules['wikibase.special.languageLabelDescriptionAliases']['dependencies'][] = 'ext.uls.mediawiki';
 		}
 
+		// temporarily register this RL module only if the feature flag is enabled,
+		// so that wikis without the feature flag don’t even pay the small cost of loading the module *definition*
+		// (when the feature stabilizes, this should move into repo/resources/Resources.php: T385446)
+		$settings = WikibaseRepo::getSettings();
+		if ( $settings->getSetting( 'tmpEnableScopedTypeaheadSearch' ) ) {
+			$modules['wikibase.vector.scopedTypeaheadSearch'] = $moduleTemplate + [
+				'packageFiles' => [
+					'resources/wikibase.vector.scopedTypeaheadSearch.js',
+				],
+			];
+		}
+
 		$resourceLoader->register( $modules );
 	}
 

repo/resources/wikibase.vector.scopedTypeaheadSearch.js

@@ -0,0 +1,21 @@
+( function ( mw ) {
+	'use strict';
+
+	/* eslint-disable no-console */
+
+	let searchInputWrapper = document.getElementById( 'simpleSearch' );
+	if ( searchInputWrapper ) {
+		console.log( ' scopedTypeaheadSearch loaded before full Vector search' );
+	} else {
+		searchInputWrapper = document.querySelector( '#searchform .cdx-search-input__input-wrapper' );
+		if ( searchInputWrapper ) {
+			console.log( 'scopedTypeaheadSearch loaded after full Vector search' );
+		} else {
+			console.error( 'scopedTypeaheadSearch could not find element to replace' );
+			return;
+		}
+	}
+	searchInputWrapper.replaceWith( 'ScopedTypeaheadSearch will go here (T338483)' );
+
+	/* eslint-enable */
+}( mw ) );