Add separator class

Author: aristath

packages/block-library/src/post-terms/edit.js

@@ -106,11 +106,15 @@ export default function PostTermsEdit( {
 
 				{ hasTermLinks &&
 					! isLoadingTermLinks &&
-					termLinks.reduce( ( prev, curr ) => [
-						prev,
-						separator || ' ',
-						curr,
-					] ) }
+					termLinks.reduce( ( prev, curr ) => (
+						<>
+							{ prev }
+							<span className="wp-block-post-terms__sep">
+								{ separator || ' ' }
+							</span>
+							{ curr }
+						</>
+					) ) }
 
 				{ ! isLoadingTermLinks &&
 					! hasTermLinks &&

packages/block-library/src/post-terms/index.php

@@ -36,7 +36,7 @@ function render_block_core_post_terms( $attributes, $content, $block ) {
 		$block->context['postId'],
 		$attributes['term'],
 		"<div $wrapper_attributes>",
-		$separator,
+		'<span class="wp-block-post-terms__sep">' . $separator . '</span>',
 		'</div>'
 	);
 }