feat: make topic search a function

public/src/app.js

@@ -564,52 +564,63 @@ app.cacheBuster = null;
 		});
 	}
 
-	app.handleSearch = function () {
+	app.enableTopicSearch = function (options) {
-		var searchButton = $('#search-button');
+		var quickSearchResults = options.resultEl;
-		var searchFields = $('#search-fields');
+		var inputEl = options.inputEl;
-		var searchInput = $('#search-fields input');
+		var template = options.template || 'partials/quick-search-results';
-		var quickSearchResults = $('#quick-search-results');
-
-		$('#search-form .advanced-search-link').on('mousedown', function () {
-			ajaxify.go('/search');
-		});
-
-		$('#search-form').on('submit', dismissSearch);
-		searchInput.on('blur', dismissSearch);
-		searchInput.on('focus', function () {
-			if (searchInput.val() && quickSearchResults.children().length) {
-				quickSearchResults.removeClass('hidden').show();
-			}
-		});
-
 		var searchTimeoutId = 0;
-		searchInput.on('keyup', function () {
+		inputEl.on('keyup', function () {
 			if (searchTimeoutId) {
 				clearTimeout(searchTimeoutId);
 				searchTimeoutId = 0;
 			}
-			if (searchInput.val().length < 3) {
+			if (inputEl.val().length < 3) {
 				return;
 			}
 
 			searchTimeoutId = setTimeout(function () {
 				require(['search'], function (search) {
 					var data = search.getSearchPreferences();
-					data.term = searchInput.val();
+					data.term = inputEl.val();
 					data.in = 'titles';
 					data.searchOnly = 1;
 					search.api(data, function (data) {
 						if (!data.matchCount) {
+							quickSearchResults.html('').addClass('hidden');
 							return;
 						}
 
-						app.parseAndTranslate('partials/quick-search-results', data, function (html) {
+						app.parseAndTranslate(template, data, function (html) {
 							quickSearchResults.html(html).removeClass('hidden').show();
 						});
 					});
 				});
 			}, 400);
 		});
+	};
+
+	app.handleSearch = function () {
+		var searchButton = $('#search-button');
+		var searchFields = $('#search-fields');
+		var searchInput = $('#search-fields input');
+		var quickSearchResults = $('#quick-search-results');
+
+		$('#search-form .advanced-search-link').on('mousedown', function () {
+			ajaxify.go('/search');
+		});
+
+		$('#search-form').on('submit', dismissSearch);
+		searchInput.on('blur', dismissSearch);
+		searchInput.on('focus', function () {
+			if (searchInput.val() && quickSearchResults.children().length) {
+				quickSearchResults.removeClass('hidden').show();
+			}
+		});
+
+		app.enableTopicSearch({
+			inputEl: searchInput,
+			resultEl: quickSearchResults,
+		});
 
 		function dismissSearch() {
 			searchFields.addClass('hidden');