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Editor: Conditionally load registered styles for block variations

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In WordPress 5.8 we added the ability to only load styles for blocks when these blocks are rendered. However, these optimizations left out block-styles that get added using the register_block_style() function/API.

Props aristath.
Fixes #53616.



git-svn-id: https://develop.svn.wordpress.org/trunk@51471 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Greg Ziółkowski 2021-07-22 08:36:11 +00:00
parent 92c454cec6
commit 211d94b710
1 changed files with 29 additions and 3 deletions
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32
src/wp-includes/script-loader.php
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@ -2436,13 +2436,39 @@ function wp_enqueue_registered_block_scripts_and_styles() {
function enqueue_block_styles_assets() {
$block_styles = WP_Block_Styles_Registry::get_instance()->get_all_registered();
foreach ( $block_styles as $styles ) {
foreach ( $block_styles as $block_name => $styles ) {
foreach ( $styles as $style_properties ) {
if ( isset( $style_properties['style_handle'] ) ) {
wp_enqueue_style( $style_properties['style_handle'] );
// If the site loads separate styles per-block, enqueue the stylesheet on render.
if ( wp_should_load_separate_core_block_assets() ) {
add_filter(
'render_block',
function( $html, $block ) use ( $style_properties ) {
wp_enqueue_style( $style_properties['style_handle'] );
return $html;
}
);
} else {
wp_enqueue_style( $style_properties['style_handle'] );
}
}
if ( isset( $style_properties['inline_style'] ) ) {
wp_add_inline_style( 'wp-block-library', $style_properties['inline_style'] );
// Default to "wp-block-library".
$handle = 'wp-block-library';
// If the site loads separate styles per-block, check if the block has a stylesheet registered.
if ( wp_should_load_separate_core_block_assets() ) {
$block_stylesheet_handle = generate_block_asset_handle( $block_name, 'style' );
global $wp_styles;
if ( isset( $wp_styles->registered[ $block_stylesheet_handle ] ) ) {
$handle = $block_stylesheet_handle;
}
}
// Add inline styles to the calculated handle.
wp_add_inline_style( $handle, $style_properties['inline_style'] );
}
}
}