From bc8e22e1f5c1779f99590593b58f9fade80485a8 Mon Sep 17 00:00:00 2001
From: Glen Davies <glen.davies@a8c.com>
Date: Wed, 12 May 2021 17:08:38 +1200
Subject: [PATCH] Fix issue with strikethrough and underline not showing in
 editor

---
 .../block-library/src/site-title/edit/index.js     | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/packages/block-library/src/site-title/edit/index.js b/packages/block-library/src/site-title/edit/index.js
index c93b4287cdbf27..3cca9e076f7edd 100644
--- a/packages/block-library/src/site-title/edit/index.js
+++ b/packages/block-library/src/site-title/edit/index.js
@@ -26,7 +26,7 @@ export default function SiteTitleEdit( {
 	setAttributes,
 	insertBlocksAfter,
 } ) {
-	const { level, textAlign } = attributes;
+	const { level, textAlign, style: { typography } = {} } = attributes;
 	const [ title, setTitle ] = useEntityProp( 'root', 'site', 'title' );
 	const TagName = level === 0 ? 'p' : `h${ level }`;
 	const blockProps = useBlockProps( {
@@ -34,6 +34,13 @@ export default function SiteTitleEdit( {
 			[ `has-text-align-${ textAlign }` ]: textAlign,
 		} ),
 	} );
+
+	// Text decoration is not applied to a nested inline block so need to pass this down to
+	// richtext child element.
+	const textDecoration = typography?.textDecoration
+		? typography?.textDecoration
+		: undefined;
+
 	return (
 		<>
 			<BlockControls group="block">
@@ -53,7 +60,10 @@ export default function SiteTitleEdit( {
 			<TagName { ...blockProps }>
 				<RichText
 					tagName="a"
-					style={ { display: 'inline-block' } }
+					style={ {
+						display: 'inline-block',
+						textDecoration,
+					} }
 					aria-label={ __( 'Site title text' ) }
 					placeholder={ __( 'Write site title…' ) }
 					value={ title }