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Editor: Prevent block stylesheets from loading when they do not exist. 

This fixes an issue where block stylesheets were being loaded even if they did not exist, causing 404 errors. The issue presented itself when the site was choosing to load block assets individually through the `should_load_separate_core_block_assets` filter hook.

This also fixes an issue where non-Core blocks would only be registered if they actually had asset files. This prevents developers from adding additional information to a style handle, such as inline styles through `wp_add_inline_style()`.

Props walbo, jorbin, aristath, desrosj, hellofromTonya.
Fixes #53375.
Built from https://develop.svn.wordpress.org/trunk@51254


git-svn-id: http://core.svn.wordpress.org/trunk@50863 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
desrosj 2021-06-29 00:08:57 +00:00
parent fe2bd634e4
commit 516bc482bd
2 changed files with 10 additions and 8 deletions
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16
wp-includes/blocks.php
View File

@ -151,10 +151,12 @@ function register_block_style_handle( $metadata, $field_name ) {
$style_uri = includes_url( 'blocks/' . str_replace( 'core/', '', $metadata['name'] ) . "/style$suffix.css" );
}
$style_handle = generate_block_asset_handle( $metadata['name'], $field_name );
$block_dir = dirname( $metadata['file'] );
$style_file = realpath( "$block_dir/$style_path" );
$version = file_exists( $style_file ) ? filemtime( $style_file ) : false;
$style_handle = generate_block_asset_handle( $metadata['name'], $field_name );
$block_dir = dirname( $metadata['file'] );
$style_file = realpath( "$block_dir/$style_path" );
$has_style_file = false !== $style_file;
$version = ! $is_core_block && $has_style_file ? filemtime( $style_file ) : false;
$style_uri = $has_style_file ? $style_uri : false;
$result = wp_register_style(
$style_handle,
$style_uri,
@ -164,7 +166,7 @@ function register_block_style_handle( $metadata, $field_name ) {
if ( file_exists( str_replace( '.css', '-rtl.css', $style_file ) ) ) {
wp_style_add_data( $style_handle, 'rtl', 'replace' );
}
if ( file_exists( $style_file ) ) {
if ( $has_style_file ) {
wp_style_add_data( $style_handle, 'path', $style_file );
}
@ -221,8 +223,8 @@ function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
if ( ! isset( $metadata['style'] ) ) {
$metadata['style'] = "wp-block-$block_name";
}
if ( ! isset( $metadata['editor_style'] ) ) {
$metadata['editor_style'] = "wp-block-$block_name-editor";
if ( ! isset( $metadata['editorStyle'] ) ) {
$metadata['editorStyle'] = "wp-block-{$block_name}-editor";
}
}

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.8-beta4-51253';
$wp_version = '5.8-beta4-51254';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.