From d5c1336580b0b15d60407666df57c0effb2e2dab Mon Sep 17 00:00:00 2001
From: Tom Moor <tom.moor@gmail.com>
Date: Sat, 10 Jun 2023 15:29:39 +0300
Subject: [PATCH] fix: Error pasting code block into comment, closes #5418

---
 shared/editor/extensions/PasteHandler.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/shared/editor/extensions/PasteHandler.ts b/shared/editor/extensions/PasteHandler.ts
index e7cd1f859..5a7547ae6 100644
--- a/shared/editor/extensions/PasteHandler.ts
+++ b/shared/editor/extensions/PasteHandler.ts
@@ -129,8 +129,13 @@ export default class PasteHandler extends Extension {
             // was pasted.
             const vscodeMeta = vscode ? JSON.parse(vscode) : undefined;
             const pasteCodeLanguage = vscodeMeta?.mode;
+            const supportsCodeBlock = !!view.state.schema.nodes.code_fence;
 
-            if (pasteCodeLanguage && pasteCodeLanguage !== "markdown") {
+            if (
+              supportsCodeBlock &&
+              pasteCodeLanguage &&
+              pasteCodeLanguage !== "markdown"
+            ) {
               event.preventDefault();
               view.dispatch(
                 view.state.tr