From 8d45734c4396169adf045f1c87b47c3c9dce28a7 Mon Sep 17 00:00:00 2001
From: Jarda Snajdr <jsnajdr@gmail.com>
Date: Mon, 25 Mar 2024 13:46:10 +0100
Subject: [PATCH] Fix root ID calculation when check if block can be
 transformed (#60167)

Co-authored-by: jsnajdr <jsnajdr@git.wordpress.org>
Co-authored-by: mcsf <mcsf@git.wordpress.org>
Co-authored-by: annezazu <annezazu@git.wordpress.org>
Co-authored-by: youknowriad <youknowriad@git.wordpress.org>
---
 packages/block-editor/src/components/block-switcher/index.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/block-editor/src/components/block-switcher/index.js b/packages/block-editor/src/components/block-switcher/index.js
index 8a8d1908f38544..3ebb7319ea6fab 100644
--- a/packages/block-editor/src/components/block-switcher/index.js
+++ b/packages/block-editor/src/components/block-switcher/index.js
@@ -182,7 +182,9 @@ export const BlockSwitcher = ( { clientIds } ) => {
 			if ( ! _blocks.length || _blocks.some( ( block ) => ! block ) ) {
 				return { invalidBlocks: true };
 			}
-			const rootClientId = getBlockRootClientId( clientIds );
+			const rootClientId = getBlockRootClientId(
+				Array.isArray( clientIds ) ? clientIds[ 0 ] : clientIds
+			);
 			const [ { name: firstBlockName } ] = _blocks;
 			const _isSingleBlockSelected = _blocks.length === 1;
 			const blockType = getBlockType( firstBlockName );