feat: switch to using topic/select component for merge

automatically add the selected tids to the merge modal

public/src/client/category/tools.js

@@ -113,8 +113,15 @@ define('forum/category/tools', [
 		});
 
 		components.get('topic/merge').on('click', function () {
+			var tids = topicSelect.getSelectedTids();
 			require(['forum/topic/merge'], function (merge) {
-				merge.init();
+				merge.init(function () {
+					if (tids.length) {
+						tids.forEach(function (tid) {
+							merge.addTopic(tid);
+						});
+					}
+				});
 			});
 		});
 

public/src/client/topic/merge.js

@@ -22,7 +22,7 @@ define('forum/topic/merge', function () {
 
 			modal.find('.close,#merge_topics_cancel').on('click', closeModal);
 
-			$('#content').on('click', '[component="category"] [component="category/topic"] a', onTopicClicked);
+			$('#content').on('click', '[component="topic/select"]', onTopicClicked);
 
 			showTopicsSelected();
 
@@ -69,6 +69,9 @@ define('forum/topic/merge', function () {
 	};
 
 	function onTopicClicked(ev) {
+		if (!modal) {
+			return;
+		}
 		var tid = $(this).parents('[component="category/topic"]').attr('data-tid');
 		Merge.addTopic(tid);
 
@@ -98,6 +101,9 @@ define('forum/topic/merge', function () {
 	}
 
 	function showTopicsSelected() {
+		if (!modal) {
+			return;
+		}
 		var tids = Object.keys(selectedTids);
 		tids.sort(function (a, b) {
 			return a - b;
@@ -134,7 +140,7 @@ define('forum/topic/merge', function () {
 			modal = null;
 		}
 		selectedTids = {};
-		$('#content').off('click', '[component="category"] [component="category/topic"] a', onTopicClicked);
+		$('#content').off('click', '[component="topic/select"]', onTopicClicked);
 	}
 
 	return Merge;