Prevent rendering of position className if undefined

WordPress · Mar 27, 2020 · 6bf9103 · 6bf9103
1 parent d8e2d97
commit 6bf9103
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/block-library/src/cover/shared.js b/packages/block-library/src/cover/shared.js
@@ -69,6 +69,8 @@ export function attributesFromMedia( setAttributes ) {
 }
 
 export function getPositionClassName( contentPosition ) {
+	if ( contentPosition === undefined ) return '';
+
 	const index = getAlignmentIndex( contentPosition );
 
 	return POSITION_CLASSNAMES[ index ];