From 45525b391d394a2d41cf1ec841a1cf237d453737 Mon Sep 17 00:00:00 2001
From: Ari Stathopoulos <aristath@gmail.com>
Date: Fri, 4 Jun 2021 10:56:45 +0300
Subject: [PATCH] fix conditionally adding skipLink

---
 lib/full-site-editing/templates.php | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/full-site-editing/templates.php b/lib/full-site-editing/templates.php
index 13e9885eafd0d..418b534a3eaf6 100644
--- a/lib/full-site-editing/templates.php
+++ b/lib/full-site-editing/templates.php
@@ -188,10 +188,16 @@ function gutenberg_the_skip_link() {
 		return;
 	}
 
-	// Early exit if not an FSE theme.
+	// Early exit if not a block theme.
 	if ( ! gutenberg_supports_block_templates() ) {
 		return;
 	}
+
+	// Early exit if not a block template.
+	global $_wp_current_template_content;
+	if ( ! $_wp_current_template_content ) {
+		return;
+	}
 	?>
 
 	<?php
@@ -249,7 +255,12 @@ function gutenberg_the_skip_link() {
 
 		// Get the site wrapper.
 		// The skip-link will be injected in the beginning of it.
-		parentEl = document.querySelector( '.wp-site-blocks' ) || document.body,
+		parentEl = document.querySelector( '.wp-site-blocks' );
+
+		// Early exit if the root element was not found.
+		if ( ! parentEl ) {
+			return;
+		}
 
 		// Get the skip-link target's ID, and generate one if it doesn't exist.
 		skipLinkTargetID = skipLinkTarget.id;