From 217875022cbbc9307315b19a697643fc2ede10b3 Mon Sep 17 00:00:00 2001
From: tellthemachines <isabel@tellthemachines.com>
Date: Tue, 20 Sep 2022 17:04:39 +1000
Subject: [PATCH] Memoise post content block.

---
 packages/edit-post/src/components/visual-editor/index.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/edit-post/src/components/visual-editor/index.js b/packages/edit-post/src/components/visual-editor/index.js
index a2c6f668d1f69a..7fd62709b57546 100644
--- a/packages/edit-post/src/components/visual-editor/index.js
+++ b/packages/edit-post/src/components/visual-editor/index.js
@@ -221,8 +221,10 @@ export default function VisualEditor( { styles } ) {
 		return { type: 'default' };
 	}, [ isTemplateMode, themeSupportsLayout, globalLayoutSettings ] );
 
-	const templateBlocks = parse( templateContent );
-	const postContentBlock = findPostContent( templateBlocks );
+	const postContentBlock = useMemo( () => {
+		return findPostContent( parse( templateContent ) );
+	}, [ templateContent ] );
+
 	const postContentLayoutClasses = useLayoutClasses(
 		postContentBlock?.attributes?.layout,
 		globalLayoutSettings?.definitions