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Blocks: Allow registering multiple items for all supported asset types #3108

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Blocks: Allow registering multiple items for all supported asset types #3108

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15c305e
Blocks: Allow registering multiple assets for all supported types
gziolo Aug 18, 2022
0579236
Fix linting errors and failing tests
gziolo Aug 19, 2022
3bae40d
Update src/wp-includes/blocks.php
gziolo Aug 19, 2022
6712419
Refactor code to use deprecated block type properties
gziolo Sep 9, 2022
d56a061
Refactor block registration processing to use new properties
gziolo Sep 9, 2022
772fb62
Use new fields when enqueuing styles and scripts
gziolo Sep 12, 2022
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19 changes: 9 additions & 10 deletions src/wp-includes/block-editor.php
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Original file line number Diff line number Diff line change
Expand Up @@ -324,17 +324,16 @@ function _wp_get_iframed_editor_assets() {
$block_registry = WP_Block_Type_Registry::get_instance();

foreach ( $block_registry->get_all_registered() as $block_type ) {
if ( ! empty( $block_type->style ) ) {
$style_handles[] = $block_type->style;
}

if ( ! empty( $block_type->editor_style ) ) {
$style_handles[] = $block_type->editor_style;
}
$style_handles = array_merge(
$style_handles,
$block_type->style_handles,
$block_type->editor_style_handles
);

if ( ! empty( $block_type->script ) ) {
$script_handles[] = $block_type->script;
}
$script_handles = array_merge(
$script_handles,
$block_type->script_handles
);
}

$style_handles = array_unique( $style_handles );
Expand Down
198 changes: 111 additions & 87 deletions src/wp-includes/blocks.php
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Original file line number Diff line number Diff line change
Expand Up @@ -35,12 +35,15 @@ function remove_block_asset_path_prefix( $asset_handle_or_path ) {
* and the field name provided.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
*
* @param string $block_name Name of the block.
* @param string $field_name Name of the metadata field.
* @param int $index Optional. Index of the asset when multiple items passed.
* Default 0.
* @return string Generated asset name for the block's field.
*/
function generate_block_asset_handle( $block_name, $field_name ) {
function generate_block_asset_handle( $block_name, $field_name, $index = 0 ) {
if ( 0 === strpos( $block_name, 'core/' ) ) {
$asset_handle = str_replace( 'core/', 'wp-block-', $block_name );
if ( 0 === strpos( $field_name, 'editor' ) ) {
Expand All @@ -49,6 +52,9 @@ function generate_block_asset_handle( $block_name, $field_name ) {
if ( 0 === strpos( $field_name, 'view' ) ) {
$asset_handle .= '-view';
}
if ( $index > 0 ) {
$asset_handle .= '-' . ( $index + 1 );
}
return $asset_handle;
}

Expand All @@ -59,8 +65,12 @@ function generate_block_asset_handle( $block_name, $field_name ) {
'editorStyle' => 'editor-style',
'style' => 'style',
);
return str_replace( '/', '-', $block_name ) .
$asset_handle = str_replace( '/', '-', $block_name ) .
'-' . $field_mappings[ $field_name ];
if ( $index > 0 ) {
$asset_handle .= '-' . ( $index + 1 );
}
return $asset_handle;
}

/**
Expand All @@ -70,23 +80,34 @@ function generate_block_asset_handle( $block_name, $field_name ) {
* generated handle name. It returns unprocessed script handle otherwise.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the script to register when multiple items passed.
* Default 0.
* @return string|false Script handle provided directly or created through
* script's registration, or false on failure.
*/
function register_block_script_handle( $metadata, $field_name ) {
function register_block_script_handle( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}

$script_handle = $metadata[ $field_name ];
$script_path = remove_block_asset_path_prefix( $metadata[ $field_name ] );
if ( is_array( $script_handle ) ) {
if ( empty( $script_handle[ $index ] ) ) {
return false;
}
$script_handle = $script_handle[ $index ];
}

$script_path = remove_block_asset_path_prefix( $script_handle );
if ( $script_handle === $script_path ) {
return $script_handle;
}

$script_handle = generate_block_asset_handle( $metadata['name'], $field_name );
$script_handle = generate_block_asset_handle( $metadata['name'], $field_name, $index );
$script_asset_path = wp_normalize_path(
realpath(
dirname( $metadata['file'] ) . '/' .
Expand Down Expand Up @@ -145,33 +166,49 @@ function register_block_script_handle( $metadata, $field_name ) {
* generated handle name. It returns unprocessed style handle otherwise.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the style to register when multiple items passed.
* Default 0.
* @return string|false Style handle provided directly or created through
* style's registration, or false on failure.
*/
function register_block_style_handle( $metadata, $field_name ) {
function register_block_style_handle( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}

$wpinc_path_norm = wp_normalize_path( realpath( ABSPATH . WPINC ) );
$theme_path_norm = wp_normalize_path( get_theme_file_path() );
$is_core_block = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], $wpinc_path_norm );
// Skip registering individual styles for each core block when a bundled version provided.
if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) {
return false;
}

// Check whether styles should have a ".min" suffix or not.
$suffix = SCRIPT_DEBUG ? '' : '.min';

$style_handle = $metadata[ $field_name ];
$style_path = remove_block_asset_path_prefix( $metadata[ $field_name ] );
if ( is_array( $style_handle ) ) {
if ( empty( $style_handle[ $index ] ) ) {
return false;
}
$style_handle = $style_handle[ $index ];
}

if ( $style_handle === $style_path && ! $is_core_block ) {
$style_path = remove_block_asset_path_prefix( $style_handle );
$is_style_handle = $style_handle === $style_path;
// Allow only passing style handles for core blocks.
if ( $is_core_block && ! $is_style_handle ) {
return false;
}
// Return the style handle unless it's the first item for every core block that requires special treatment.
if ( $is_style_handle && ! ( $is_core_block && 0 === $index ) ) {
return $style_handle;
}

// Check whether styles should have a ".min" suffix or not.
$suffix = SCRIPT_DEBUG ? '' : '.min';
$style_uri = plugins_url( $style_path, $metadata['file'] );
if ( $is_core_block ) {
$style_path = "style$suffix.css";
Expand All @@ -185,9 +222,9 @@ function register_block_style_handle( $metadata, $field_name ) {
$style_uri = get_theme_file_uri( str_replace( $theme_path_norm, '', $style_path_norm ) );
}

$style_handle = generate_block_asset_handle( $metadata['name'], $field_name );
$style_handle = generate_block_asset_handle( $metadata['name'], $field_name, $index );
$block_dir = dirname( $metadata['file'] );
$style_file = realpath( "$block_dir/$style_path" );
$style_file = wp_normalize_path( realpath( "$block_dir/$style_path" ) );
$has_style_file = false !== $style_file;
$version = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false;
$style_uri = $has_style_file ? $style_uri : false;
Expand Down Expand Up @@ -311,39 +348,69 @@ function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
}
}

if ( ! empty( $metadata['editorScript'] ) ) {
$settings['editor_script'] = register_block_script_handle(
$metadata,
'editorScript'
);
}

if ( ! empty( $metadata['script'] ) ) {
$settings['script'] = register_block_script_handle(
$metadata,
'script'
);
}

if ( ! empty( $metadata['viewScript'] ) ) {
$settings['view_script'] = register_block_script_handle(
$metadata,
'viewScript'
);
}

if ( ! empty( $metadata['editorStyle'] ) ) {
$settings['editor_style'] = register_block_style_handle(
$metadata,
'editorStyle'
);
$script_fields = array(
'editorScript' => 'editor_script_handles',
'script' => 'script_handles',
'viewScript' => 'view_script_handles',
);
foreach ( $script_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$scripts = $metadata[ $metadata_field_name ];
$processed_scripts = array();
if ( is_array( $scripts ) ) {
for ( $index = 0; $index < count( $scripts ); $index++ ) {
$result = register_block_script_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
} else {
$result = register_block_script_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_scripts;
}
}

if ( ! empty( $metadata['style'] ) ) {
$settings['style'] = register_block_style_handle(
$metadata,
'style'
);
$style_fields = array(
'editorStyle' => 'editor_style_handles',
'style' => 'style_handles',
);
foreach ( $style_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$styles = $metadata[ $metadata_field_name ];
$processed_styles = array();
if ( is_array( $styles ) ) {
for ( $index = 0; $index < count( $styles ); $index++ ) {
$result = register_block_style_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_styles[] = $result;
}
}
} else {
$result = register_block_style_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_styles[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_styles;
}
}

if ( ! empty( $metadata['render'] ) ) {
Expand Down Expand Up @@ -1261,49 +1328,6 @@ function get_query_pagination_arrow( $block, $is_next ) {
return null;
}

/**
* Allows multiple block styles.
*
* @since 5.9.0
*
* @param array $metadata Metadata for registering a block type.
* @return array Metadata for registering a block type.
*/
function _wp_multiple_block_styles( $metadata ) {
foreach ( array( 'style', 'editorStyle' ) as $key ) {
if ( ! empty( $metadata[ $key ] ) && is_array( $metadata[ $key ] ) ) {
$default_style = array_shift( $metadata[ $key ] );
foreach ( $metadata[ $key ] as $handle ) {
$args = array( 'handle' => $handle );
if ( 0 === strpos( $handle, 'file:' ) && isset( $metadata['file'] ) ) {
$style_path = remove_block_asset_path_prefix( $handle );
$theme_path_norm = wp_normalize_path( get_theme_file_path() );
$style_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $style_path ) );
$is_theme_block = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], $theme_path_norm );

$style_uri = plugins_url( $style_path, $metadata['file'] );

if ( $is_theme_block ) {
$style_uri = get_theme_file_uri( str_replace( $theme_path_norm, '', $style_path_norm ) );
}

$args = array(
'handle' => sanitize_key( "{$metadata['name']}-{$style_path}" ),
'src' => $style_uri,
);
}

wp_enqueue_block_style( $metadata['name'], $args );
}

// Only return the 1st item in the array.
$metadata[ $key ] = $default_style;
}
}
return $metadata;
}
add_filter( 'block_type_metadata', '_wp_multiple_block_styles' );

/**
* Helper function that constructs a comment query vars array from the passed
* block properties.
Expand Down
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