From 3af7509945e2d803393349db0b1c005d0df3abc4 Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <tgx_world@hotmail.com>
Date: Tue, 5 Jan 2016 09:27:57 +0800
Subject: [PATCH] FIX: Limit number of items for category hashtag autocomplete.

---
 .../discourse/components/d-editor.js.es6      | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/app/assets/javascripts/discourse/components/d-editor.js.es6 b/app/assets/javascripts/discourse/components/d-editor.js.es6
index a67b4b8cc3f..fe7a44279b2 100644
--- a/app/assets/javascripts/discourse/components/d-editor.js.es6
+++ b/app/assets/javascripts/discourse/components/d-editor.js.es6
@@ -258,10 +258,23 @@ export default Ember.Component.extend({
         return category.get('slug');
       },
       dataSource(term) {
-        return Category.list().filter(category => {
-          const regexp = new RegExp(term, 'i');
-          return category.get('name').match(regexp);
+        const limit = 5;
+        const regexp = new RegExp(term, 'i');
+        var count = 0;
+        var data = [];
+
+        Category.listByActivity().some(category => {
+          console.log(category);
+
+          if (category.get('name').match(regexp)) {
+            count++;
+            data.push(category);
+          }
+
+          return count === limit;
         });
+
+        return data;
       },
       triggerRule(textarea, opts) {
         const result = Discourse.Utilities.caretRowCol(textarea);