From 11016efdb13c391175d0d409c6c620658e3e9b69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EB=A5=98=EC=84=A0=EC=9E=84?= <seonim.ryu@nhn.com>
Date: Tue, 28 Apr 2020 14:39:25 +0900
Subject: [PATCH] fix: not working shortcut of codemirror in markdown editor
 (#951)

---
 apps/editor/src/js/codeMirrorExt.js | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/apps/editor/src/js/codeMirrorExt.js b/apps/editor/src/js/codeMirrorExt.js
index 6221eb8751..4d6d767d37 100644
--- a/apps/editor/src/js/codeMirrorExt.js
+++ b/apps/editor/src/js/codeMirrorExt.js
@@ -42,21 +42,20 @@ class CodeMirrorExt {
 
     this.editorContainerEl.appendChild(cmTextarea);
 
-    options = extend(
-      {
-        lineWrapping: true,
-        theme: 'default',
-        extraKeys: {
-          'Shift-Tab': 'indentLess',
-          'Alt-Up': 'replaceLineTextToUpper',
-          'Alt-Down': 'replaceLineTextToLower'
-        },
-        indentUnit: 4,
-        cursorScrollMargin: 12,
-        specialCharPlaceholder: () => document.createElement('span')
+    options = {
+      ...options,
+      lineWrapping: true,
+      theme: 'default',
+      extraKeys: {
+        ...options.extraKeys,
+        'Shift-Tab': 'indentLess',
+        'Alt-Up': 'replaceLineTextToUpper',
+        'Alt-Down': 'replaceLineTextToLower'
       },
-      options
-    );
+      indentUnit: 4,
+      cursorScrollMargin: 12,
+      specialCharPlaceholder: () => document.createElement('span')
+    };
 
     this.cm = CodeMirror.fromTextArea(cmTextarea, options);
   }