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Blocks: Add automatic RTL handlind for block styles registered from metadata 

Related Gutenberg issue: https://github.com/WordPress/gutenberg/pull/28274

With this change it is going to be possible to use the same pattern that wp_style_add_data uses for RTL handling. If the block style file with "-rtl.css" is included in addition to the regular style referenced in "block.json" file then it is going to be automatically registered.

Props swisspidy, aristath.
See #52301.


Built from https://develop.svn.wordpress.org/trunk@49982


git-svn-id: http://core.svn.wordpress.org/trunk@49683 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
gziolo 2021-01-19 11:50:08 +00:00
parent 2dbcd8933e
commit e8c035f25d
2 changed files with 7 additions and 2 deletions
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7
wp-includes/blocks.php
View File

@ -169,12 +169,17 @@ function register_block_style_handle( $metadata, $field_name ) {
$style_handle = generate_block_asset_handle( $metadata['name'], $field_name );
$block_dir = dirname( $metadata['file'] );
$style_file = realpath( "$block_dir/$style_path" );
$result = wp_register_style(
$style_handle,
plugins_url( $style_path, $metadata['file'] ),
array(),
filemtime( realpath( "$block_dir/$style_path" ) )
filemtime( $style_file )
);
if ( file_exists( str_replace( '.css', '-rtl.css', $style_file ) ) ) {
wp_style_add_data( $style_handle, 'rtl', 'replace' );
}
return $result ? $style_handle : false;
}

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.7-alpha-49981';
$wp_version = '5.7-alpha-49982';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.