eme_json The theme json resolver.
* @return WP_Theme_JSON The $theme_json with resolved variables.
*/
public static function resolve_variables( $theme_json ) {
$settings = $theme_json->get_settings();
$styles = $theme_json->get_raw_data()['styles'];
$preset_vars = static::compute_preset_vars( $settings, static::VALID_ORIGINS );
$theme_vars = static::compute_theme_vars( $settings );
$vars = array_reduce(
array_merge( $preset_vars, $theme_vars ),
function ( $carry, $item ) {
$name = $item['name'];
$carry[ "var({$name})" ] = $item['value'];
return $carry;
},
array()
);
$theme_json->theme_json['styles'] = self::convert_variables_to_value( $styles, $vars );
return $theme_json;
}
/**
* Generates a selector for a block style variation.
*
* @since 6.5.0
*
* @param string $variation_name Name of the block style variation.
* @param string $block_selector CSS selector for the block.
* @return string Block selector with block style variation selector added to it.
*/
protected static function get_block_style_variation_selector( $variation_name, $block_selector ) {
$variation_class = ".is-style-$variation_name";
if ( ! $block_selector ) {
return $variation_class;
}
$limit = 1;
$selector_parts = static::split_selector_list( $block_selector );
$result = array();
/*
* Append the variation class to each selector's ancestor: the first
* run of characters before any combinator (whitespace) or pseudo-class
* (`:`). Only the first match is replaced.
*
* Examples ("custom" variation):
* - `.wp-block` => `.wp-block.is-style-custom`
* - `.wp-block .inner` => `.wp-block.is-style-custom .inner`
* - `.wp-block:where(.a .b)` => `.wp-block.is-style-custom:where(.a .b)`
* - `:where(.outer .inner)` => `:where(.outer.is-style-custom .inner)`
*/
foreach ( $selector_parts as $part ) {
$result[] = preg_replace_callback(
'/[^\s:]+/',
function ( $matches ) use ( $variation_class ) {
return $matches[0] . $variation_class;
},
$part,
$limit
);
}
return implode( ', ', $result );
}
/**
* Applies a block style variation class to a feature selector.
*
* Feature selectors can target a different element than the block's root
* selector. For example, the Button block's root selector targets the inner
* link, while its dimensions width selector targets the outer wrapper. Apply
* the variation class directly to the selector that will receive the
* declarations instead of deriving it by subtracting the root selector from
* the feature selector.
*
* @since 7.0.0
*
* @param array $style_variation Style variation metadata.
* @param string $feature_selector CSS selector for the feature.
* @return string Feature selector with block style variation selector added.
*/
protected static function get_block_style_variation_feature_selector( $style_variation, $feature_selector ) {
$variation_path = $style_variation['path'] ?? array();
$variation_name = $style_variation['name'] ?? ( is_array( $variation_path ) ? end( $variation_path ) : null );
if ( ! $variation_name ) {
return $style_variation['selector'] ?? $feature_selector;
}
$variation_class = ".is-style-$variation_name";
$selector_parts = static::split_selector_list( $feature_selector );
$selector_parts = array_map(
static function ( $selector ) use ( $variation_class ) {
$prefix = $variation_class . ' ';
if ( str_starts_with( $selector, $prefix ) ) {
return substr( $selector, strlen( $prefix ) );
}
return $selector;
},
$selector_parts
);
return static::get_block_style_variation_selector(
$variation_name,
implode( ', ', $selector_parts )
);
}
/**
* Collects valid block style variations keyed by block type.
*
* @since 6.6.0
* @since 6.8.0 Added the `$blocks_metadata` parameter.
*
* @param array $blocks_metadata Optional. List of metadata per block. Default is the metadata for all blocks.
* @return array Valid block style variations by block type.
*/
protected static function get_valid_block_style_variations( $blocks_metadata = array() ) {
$valid_variations = array();
$blocks_metadata = empty( $blocks_metadata ) ? static::get_blocks_metadata() : $blocks_metadata;
foreach ( $blocks_metadata as $block_name => $block_meta ) {
if ( ! isset( $block_meta['styleVariations'] ) ) {
continue;
}
$valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] );
}
return $valid_variations;
}
/**
* Extracts the block name from the block metadata path.
*
* @since 7.1.0
*
* @param array $block_metadata Block metadata.
* @return string|null The block name or null if not found.
*/
private static function get_block_name_from_metadata_path( $block_metadata ) {
return $block_metadata['path'][2] ?? null;
}
}
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