From f5caca055b8983ac6a95c967f6f5b1b8ffe59c60 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijn@haverbeke.berlin>
Date: Sat, 7 Sep 2024 12:56:59 +0200
Subject: [PATCH] Return false from selectParentSyntax when it makes no changes

FIX: Make `selectParentSyntax` return false when it doesn't change the selection.

Issue https://github.com/codemirror/dev/issues/1436
---
 src/commands.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/commands.ts b/src/commands.ts
index 037d7f6..ff6b8fe 100644
--- a/src/commands.ts
+++ b/src/commands.ts
@@ -415,6 +415,7 @@ export const selectParentSyntax: StateCommand = ({state, dispatch}) => {
     }
     return range
   })
+  if (selection.eq(state.selection)) return false
   dispatch(setSel(state, selection))
   return true
 }