fix: handle empty content in heading block rendering

dhananjaykuber · Jan 16, 2025 · f86463b · f86463b
1 parent 9f7d7dc
commit f86463b
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/packages/block-library/src/heading/index.php b/packages/block-library/src/heading/index.php
@@ -22,7 +22,7 @@
  * @return string The content of the block being rendered.
  */
 function block_core_heading_render( $attributes, $content ) {
-	if ( ! $content ) {
+	if ( ! $content || '' === trim( strip_tags( $content ) ) ) {
 		return $content;
 	}
 

diff --git a/packages/block-library/src/heading/save.js b/packages/block-library/src/heading/save.js
@@ -10,6 +10,11 @@ import { RichText, useBlockProps } from '@wordpress/block-editor';
 
 export default function save( { attributes } ) {
 	const { textAlign, content, level } = attributes;
+
+	if ( ! content || content.trim() === '' ) {
+		return null;
+	}
+
 	const TagName = 'h' + level;
 
 	const className = clsx( {