From d9dc716cff7285e20dad6cadc44b67046e875641 Mon Sep 17 00:00:00 2001
From: Jb Audras <audrasjb@git.wordpress.org>
Date: Tue, 30 Nov 2021 20:00:09 +0000
Subject: [PATCH] Editor: Avoid a JS console error on the Navigation block
 view.

Props mkaz, sabernhardt, costdev.
Fixes #54456.


git-svn-id: https://develop.svn.wordpress.org/trunk@52291 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/blocks.php | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/wp-includes/blocks.php b/src/wp-includes/blocks.php
index f5b8b47e5e..ff087d0b82 100644
--- a/src/wp-includes/blocks.php
+++ b/src/wp-includes/blocks.php
@@ -83,9 +83,11 @@ function register_block_script_handle( $metadata, $field_name ) {
 	}
 
 	$script_handle     = generate_block_asset_handle( $metadata['name'], $field_name );
-	$script_asset_path = realpath(
-		dirname( $metadata['file'] ) . '/' .
-		substr_replace( $script_path, '.asset.php', - strlen( '.js' ) )
+	$script_asset_path = wp_normalize_path(
+		realpath(
+			dirname( $metadata['file'] ) . '/' .
+			substr_replace( $script_path, '.asset.php', - strlen( '.js' ) )
+		)
 	);
 	if ( ! file_exists( $script_asset_path ) ) {
 		_doing_it_wrong(
@@ -100,9 +102,13 @@ function register_block_script_handle( $metadata, $field_name ) {
 		);
 		return false;
 	}
-	$is_core_block       = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], ABSPATH . WPINC );
+	// Path needs to be normalized to work in Windows env.
+	$wpinc_path_norm     = wp_normalize_path( ABSPATH . WPINC );
+	$script_path_norm    = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $script_path ) );
+	$is_core_block       = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], $wpinc_path_norm );
+
 	$script_uri          = $is_core_block ?
-		includes_url( str_replace( ABSPATH . WPINC, '', realpath( dirname( $metadata['file'] ) . '/' . $script_path ) ) ) :
+		includes_url( str_replace( $wpinc_path_norm, '', $script_path_norm ) ) :
 		plugins_url( $script_path, $metadata['file'] );
 	$script_asset        = require $script_asset_path;
 	$script_dependencies = isset( $script_asset['dependencies'] ) ? $script_asset['dependencies'] : array();
@@ -139,7 +145,8 @@ function register_block_style_handle( $metadata, $field_name ) {
 	if ( empty( $metadata[ $field_name ] ) ) {
 		return false;
 	}
-	$is_core_block = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], ABSPATH . WPINC );
+	$wpinc_path_norm = wp_normalize_path( ABSPATH . WPINC );
+	$is_core_block   = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], $wpinc_path_norm );
 	if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) {
 		return false;
 	}
@@ -232,7 +239,7 @@ function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
 	if ( ! is_array( $metadata ) || empty( $metadata['name'] ) ) {
 		return false;
 	}
-	$metadata['file'] = $metadata_file;
+	$metadata['file'] = wp_normalize_path( $metadata_file );
 
 	/**
 	 * Filters the metadata provided for registering a block type.