From 0bc5758d440b9cf21bf5cf6a34578e3e0f02f398 Mon Sep 17 00:00:00 2001
From: ngc2207 <cfngc3109@gmail.com>
Date: Sun, 5 Jan 2025 03:28:52 +0800
Subject: [PATCH] fix(playground): ensure editor focus and position handling
 only occurs if editor is initialized

---
 src/app/playground/page.tsx | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/app/playground/page.tsx b/src/app/playground/page.tsx
index 506252b..ff002fe 100644
--- a/src/app/playground/page.tsx
+++ b/src/app/playground/page.tsx
@@ -117,15 +117,17 @@ export default function PlaygroundPage() {
         options={{ automaticLayout: true }}
         onMount={(editor) => {
           editorRef.current = editor;
-          const model = editorRef.current.getModel();
-          if (model) {
-            const lineCount = model.getLineCount();
-            const lastLineLength = model.getLineLength(lineCount);
-            editorRef.current.setPosition({
-              lineNumber: lineCount,
-              column: lastLineLength + 1,
-            });
-            editorRef.current.focus();
+          if (editorRef.current) {
+            const model = editorRef.current.getModel();
+            if (model) {
+              const lineCount = model.getLineCount();
+              const lastLineLength = model.getLineLength(lineCount);
+              editorRef.current.setPosition({
+                lineNumber: lineCount,
+                column: lastLineLength + 1,
+              });
+              editorRef.current.focus();
+            }
           }
         }}
       />