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rebase on oct-10-2023

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Rachit Bhargava
2023-10-10 17:23:21 -04:00
parent d37566ffb6
commit d096058d7d
4789 changed files with 254611 additions and 307223 deletions
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203
wp/wp-includes/style-engine/class-wp-style-engine.php
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@@ -1,8 +1,6 @@
<?php
/**
* StyleEngine: WP_Style_Engine class
*
* This is the main class integrating all other WP_Style_Engine_* classes.
* Style Engine: WP_Style_Engine class
*
* @package WordPress
* @subpackage StyleEngine
@@ -10,31 +8,44 @@
*/
/**
* Class WP_Style_Engine.
* The main class integrating all other WP_Style_Engine_* classes.
*
* The Style Engine aims to provide a consistent API for rendering styling for blocks across both client-side and server-side applications.
* The Style Engine aims to provide a consistent API for rendering styling for blocks
* across both client-side and server-side applications.
*
* This class is final and should not be extended.
* This class is for internal Core usage and is not supposed to be used by extenders (plugins and/or themes).
* This is a low-level API that may need to do breaking changes. Please, use wp_style_engine_get_styles instead.
*
* This class is for internal Core usage and is not supposed to be used by extenders
* (plugins and/or themes). This is a low-level API that may need to do breaking changes.
* Please, use wp_style_engine_get_styles() instead.
*
* @access private
* @since 6.1.0
* @since 6.3.0 Added support for text-columns.
*/
#[AllowDynamicProperties]
final class WP_Style_Engine {
/**
* Style definitions that contain the instructions to
* parse/output valid Gutenberg styles from a block's attributes.
* For every style definition, the follow properties are valid:
* - classnames => (array) an array of classnames to be returned for block styles. The key is a classname or pattern.
* A value of `true` means the classname should be applied always. Otherwise, a valid CSS property (string)
* to match the incoming value, e.g., "color" to match var:preset|color|somePresetSlug.
* - css_vars => (array) an array of key value pairs used to generate CSS var values. The key is a CSS var pattern, whose `$slug` fragment will be replaced with a preset slug.
* The value should be a valid CSS property (string) to match the incoming value, e.g., "color" to match var:preset|color|somePresetSlug.
* - property_keys => (array) array of keys whose values represent a valid CSS property, e.g., "margin" or "border".
* - path => (array) a path that accesses the corresponding style value in the block style object.
* - value_func => (string) the name of a function to generate a CSS definition array for a particular style object. The output of this function should be `array( "$property" => "$value", ... )`.
*
* For every style definition, the following properties are valid:
*
* - classnames => (array) An array of classnames to be returned for block styles.
* The key is a classname or pattern.
* A value of `true` means the classname should be applied always.
* Otherwise, a valid CSS property (string) to match the incoming value,
* e.g. "color" to match var:preset|color|somePresetSlug.
* - css_vars => (array) An array of key value pairs used to generate CSS var values.
* The key is a CSS var pattern, whose `$slug` fragment will be replaced with a preset slug.
* The value should be a valid CSS property (string) to match the incoming value,
* e.g. "color" to match var:preset|color|somePresetSlug.
* - property_keys => (array) An array of keys whose values represent a valid CSS property,
* e.g. "margin" or "border".
* - path => (array) A path that accesses the corresponding style value in the block style object.
* - value_func => (string) The name of a function to generate a CSS definition array
* for a particular style object. The output of this function should be
* `array( "$property" => "$value", ... )`.
*
* @since 6.1.0
* @var array
@@ -137,6 +148,17 @@ final class WP_Style_Engine {
),
),
),
'shadow' => array(
'shadow' => array(
'property_keys' => array(
'default' => 'box-shadow',
),
'path' => array( 'shadow' ),
'css_vars' => array(
'shadow' => '--wp--preset--shadow--$slug',
),
),
),
'dimensions' => array(
'minHeight' => array(
'property_keys' => array(
@@ -207,6 +229,12 @@ final class WP_Style_Engine {
),
'path' => array( 'typography', 'lineHeight' ),
),
'textColumns' => array(
'property_keys' => array(
'default' => 'column-count',
),
'path' => array( 'typography', 'textColumns' ),
),
'textDecoration' => array(
'property_keys' => array(
'default' => 'text-decoration',
@@ -229,17 +257,20 @@ final class WP_Style_Engine {
);
/**
* Util: Extracts the slug in kebab case from a preset string, e.g., "heavenly-blue" from 'var:preset|color|heavenlyBlue'.
* Util: Extracts the slug in kebab case from a preset string,
* e.g. `heavenly-blue` from `var:preset|color|heavenlyBlue`.
*
* @since 6.1.0
*
* @param string $style_value A single CSS preset value.
* @param string $property_key The CSS property that is the second element of the preset string. Used for matching.
*
* @param string $property_key The CSS property that is the second element of the preset string.
* Used for matching.
* @return string The slug, or empty string if not found.
*/
protected static function get_slug_from_preset_value( $style_value, $property_key ) {
if ( is_string( $style_value ) && is_string( $property_key ) && str_contains( $style_value, "var:preset|{$property_key}|" ) ) {
if ( is_string( $style_value ) && is_string( $property_key )
&& str_contains( $style_value, "var:preset|{$property_key}|" )
) {
$index_to_splice = strrpos( $style_value, '|' ) + 1;
return _wp_to_kebab_case( substr( $style_value, $index_to_splice ) );
}
@@ -247,17 +278,18 @@ final class WP_Style_Engine {
}
/**
* Util: Generates a CSS var string, e.g., var(--wp--preset--color--background) from a preset string such as `var:preset|space|50`.
* Util: Generates a CSS var string, e.g. `var(--wp--preset--color--background)`
* from a preset string such as `var:preset|space|50`.
*
* @since 6.1.0
*
* @param string $style_value A single css preset value.
* @param string[] $css_vars An associate array of css var patterns used to generate the var string.
*
* @return string The css var, or an empty string if no match for slug found.
* @param string $style_value A single CSS preset value.
* @param string[] $css_vars An associate array of CSS var patterns
* used to generate the var string.
* @return string The CSS var, or an empty string if no match for slug found.
*/
protected static function get_css_var_value( $style_value, $css_vars ) {
foreach ( $css_vars as $property_key => $css_var_pattern ) {
foreach ( $css_vars as $property_key => $css_var_pattern ) {
$slug = static::get_slug_from_preset_value( $style_value, $property_key );
if ( static::is_valid_style_value( $slug ) ) {
$var = strtr(
@@ -276,7 +308,6 @@ final class WP_Style_Engine {
* @since 6.1.0
*
* @param string $style_value A single CSS preset value.
*
* @return bool
*/
protected static function is_valid_style_value( $style_value ) {
@@ -289,10 +320,11 @@ final class WP_Style_Engine {
* @since 6.1.0
*
* @param string $store_name A valid store key.
* @param string $css_selector When a selector is passed, the function will return a full CSS rule `$selector { ...rules }`, otherwise a concatenated string of properties and values.
* @param string[] $css_declarations An associative array of CSS definitions, e.g., array( "$property" => "$value", "$property" => "$value" ).
*
* @return void.
* @param string $css_selector When a selector is passed, the function will return
* a full CSS rule `$selector { ...rules }`
* otherwise a concatenated string of properties and values.
* @param string[] $css_declarations An associative array of CSS definitions,
* e.g. `array( "$property" => "$value", "$property" => "$value" )`.
*/
public static function store_css_rule( $store_name, $css_selector, $css_declarations ) {
if ( empty( $store_name ) || empty( $css_selector ) || empty( $css_declarations ) ) {
@@ -307,8 +339,7 @@ final class WP_Style_Engine {
* @since 6.1.0
*
* @param string $store_name A store key.
*
* @return WP_Style_Engine_CSS_Rules_Store
* @return WP_Style_Engine_CSS_Rules_Store|null
*/
public static function get_store( $store_name ) {
return WP_Style_Engine_CSS_Rules_Store::get_store( $store_name );
@@ -316,6 +347,7 @@ final class WP_Style_Engine {
/**
* Returns classnames and CSS based on the values in a styles object.
*
* Return values are parsed based on the instructions in BLOCK_STYLE_DEFINITIONS_METADATA.
*
* @since 6.1.0
@@ -324,14 +356,19 @@ final class WP_Style_Engine {
* @param array $options {
* Optional. An array of options. Default empty array.
*
* @type bool $convert_vars_to_classnames Whether to skip converting incoming CSS var patterns, e.g., `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`, to var( --wp--preset--* ) values. Default `false`.
* @type string $selector Optional. When a selector is passed, the value of `$css` in the return value will comprise a full CSS rule `$selector { ...$css_declarations }`,
* otherwise, the value will be a concatenated string of CSS declarations.
* @type bool $convert_vars_to_classnames Whether to skip converting incoming CSS var patterns,
* e.g. `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`,
* to `var( --wp--preset--* )` values. Default false.
* @type string $selector Optional. When a selector is passed,
* the value of `$css` in the return value will comprise
* a full CSS rule `$selector { ...$css_declarations }`,
* otherwise, the value will be a concatenated string
* of CSS declarations.
* }
*
* @return array {
* @type string $classnames Classnames separated by a space.
* @type string[] $declarations An associative array of CSS definitions, e.g., array( "$property" => "$value", "$property" => "$value" ).
* @type string[] $classnames Array of class names.
* @type string[] $declarations An associative array of CSS definitions,
* e.g. `array( "$property" => "$value", "$property" => "$value" )`.
* }
*/
public static function parse_block_styles( $block_styles, $options ) {
@@ -364,14 +401,15 @@ final class WP_Style_Engine {
}
/**
* Returns classnames, and generates classname(s) from a CSS preset property pattern, e.g., '`var:preset|<PRESET_TYPE>|<PRESET_SLUG>`'.
* Returns classnames, and generates classname(s) from a CSS preset property pattern,
* e.g. `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`.
*
* @since 6.1.0
*
* @param array $style_value A single raw style value or css preset property from the $block_styles array.
* @param array $style_definition A single style definition from BLOCK_STYLE_DEFINITIONS_METADATA.
*
* @return array|string[] An array of CSS classnames, or empty array.
* @param string $style_value A single raw style value or CSS preset property
* from the `$block_styles` array.
* @param array $style_definition A single style definition from BLOCK_STYLE_DEFINITIONS_METADATA.
* @return string[] An array of CSS classnames, or empty array if there are none.
*/
protected static function get_classnames( $style_value, $style_definition ) {
if ( empty( $style_value ) ) {
@@ -407,15 +445,16 @@ final class WP_Style_Engine {
*
* @since 6.1.0
*
* @param array $style_value A single raw style value from $block_styles array.
* @param mixed $style_value A single raw style value from $block_styles array.
* @param array $style_definition A single style definition from BLOCK_STYLE_DEFINITIONS_METADATA.
* @param array $options {
* Optional. An array of options. Default empty array.
*
* @type bool $convert_vars_to_classnames Whether to skip converting incoming CSS var patterns, e.g., `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`, to var( --wp--preset--* ) values. Default `false`.
* @type bool $convert_vars_to_classnames Whether to skip converting incoming CSS var patterns,
* e.g. `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`,
* to `var( --wp--preset--* )` values. Default false.
* }
*
* @return string[] An associative array of CSS definitions, e.g., array( "$property" => "$value", "$property" => "$value" ).
* @return string[] An associative array of CSS definitions, e.g. `array( "$property" => "$value", "$property" => "$value" )`.
*/
protected static function get_css_declarations( $style_value, $style_definition, $options = array() ) {
if ( isset( $style_definition['value_func'] ) && is_callable( $style_definition['value_func'] ) ) {
@@ -473,21 +512,33 @@ final class WP_Style_Engine {
/**
* Style value parser that returns a CSS definition array comprising style properties
* that have keys representing individual style properties, otherwise known as longhand CSS properties.
* e.g., "$style_property-$individual_feature: $value;", which could represent the following:
* "border-{top|right|bottom|left}-{color|width|style}: {value};" or,
* "border-image-{outset|source|width|repeat|slice}: {value};"
*
* Example:
*
* "$style_property-$individual_feature: $value;"
*
* Which could represent the following:
*
* "border-{top|right|bottom|left}-{color|width|style}: {value};"
*
* or:
*
* "border-image-{outset|source|width|repeat|slice}: {value};"
*
* @since 6.1.0
*
* @param array $style_value A single raw style value from $block_styles array.
* @param array $individual_property_definition A single style definition from BLOCK_STYLE_DEFINITIONS_METADATA representing an individual property of a CSS property, e.g., 'top' in 'border-top'.
* @param array $style_value A single raw style value from `$block_styles` array.
* @param array $individual_property_definition A single style definition from BLOCK_STYLE_DEFINITIONS_METADATA
* representing an individual property of a CSS property,
* e.g. 'top' in 'border-top'.
* @param array $options {
* Optional. An array of options. Default empty array.
*
* @type bool $convert_vars_to_classnames Whether to skip converting incoming CSS var patterns, e.g., `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`, to var( --wp--preset--* ) values. Default `false`.
* @type bool $convert_vars_to_classnames Whether to skip converting incoming CSS var patterns,
* e.g. `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`,
* to `var( --wp--preset--* )` values. Default false.
* }
*
* @return string[] An associative array of CSS definitions, e.g., array( "$property" => "$value", "$property" => "$value" ).
* @return string[] An associative array of CSS definitions, e.g. `array( "$property" => "$value", "$property" => "$value" )`.
*/
protected static function get_individual_property_css_declarations( $style_value, $individual_property_definition, $options = array() ) {
if ( ! is_array( $style_value ) || empty( $style_value ) || empty( $individual_property_definition['path'] ) ) {
@@ -495,9 +546,12 @@ final class WP_Style_Engine {
}
/*
* The first item in $individual_property_definition['path'] array tells us the style property, e.g., "border".
* We use this to get a corresponding CSS style definition such as "color" or "width" from the same group.
* The second item in $individual_property_definition['path'] array refers to the individual property marker, e.g., "top".
* The first item in $individual_property_definition['path'] array
* tells us the style property, e.g. "border". We use this to get a corresponding
* CSS style definition such as "color" or "width" from the same group.
*
* The second item in $individual_property_definition['path'] array
* refers to the individual property marker, e.g. "top".
*/
$definition_group_key = $individual_property_definition['path'][0];
$individual_property_key = $individual_property_definition['path'][1];
@@ -515,10 +569,14 @@ final class WP_Style_Engine {
if ( $style_definition && isset( $style_definition['property_keys']['individual'] ) ) {
// Set a CSS var if there is a valid preset value.
if ( is_string( $value ) && str_contains( $value, 'var:' ) && ! $should_skip_css_vars && ! empty( $individual_property_definition['css_vars'] ) ) {
if ( is_string( $value ) && str_contains( $value, 'var:' )
&& ! $should_skip_css_vars && ! empty( $individual_property_definition['css_vars'] )
) {
$value = static::get_css_var_value( $value, $individual_property_definition['css_vars'] );
}
$individual_css_property = sprintf( $style_definition['property_keys']['individual'], $individual_property_key );
$individual_css_property = sprintf( $style_definition['property_keys']['individual'], $individual_property_key );
$css_declarations[ $individual_css_property ] = $value;
}
}
@@ -526,13 +584,15 @@ final class WP_Style_Engine {
}
/**
* Returns compiled CSS from css_declarations.
* Returns compiled CSS from CSS declarations.
*
* @since 6.1.0
*
* @param string[] $css_declarations An associative array of CSS definitions, e.g., array( "$property" => "$value", "$property" => "$value" ).
* @param string $css_selector When a selector is passed, the function will return a full CSS rule `$selector { ...rules }`, otherwise a concatenated string of properties and values.
*
* @param string[] $css_declarations An associative array of CSS definitions,
* e.g. `array( "$property" => "$value", "$property" => "$value" )`.
* @param string $css_selector When a selector is passed, the function will return
* a full CSS rule `$selector { ...rules }`,
* otherwise a concatenated string of properties and values.
* @return string A compiled CSS string.
*/
public static function compile_css( $css_declarations, $css_selector ) {
@@ -555,14 +615,19 @@ final class WP_Style_Engine {
*
* @since 6.1.0
*
* @param WP_Style_Engine_CSS_Rule[] $css_rules An array of WP_Style_Engine_CSS_Rule objects from a store or otherwise.
* @param WP_Style_Engine_CSS_Rule[] $css_rules An array of WP_Style_Engine_CSS_Rule objects
* from a store or otherwise.
* @param array $options {
* Optional. An array of options. Default empty array.
*
* @type bool $optimize Whether to optimize the CSS output, e.g., combine rules. Default is `false`.
* @type bool $prettify Whether to add new lines and indents to output. Default is the test of whether the global constant `SCRIPT_DEBUG` is defined.
* @type string|null $context An identifier describing the origin of the style object,
* e.g. 'block-supports' or 'global-styles'. Default 'block-supports'.
* When set, the style engine will attempt to store the CSS rules.
* @type bool $optimize Whether to optimize the CSS output, e.g. combine rules.
* Default true.
* @type bool $prettify Whether to add new lines and indents to output.
* Defaults to whether the `SCRIPT_DEBUG` constant is defined.
* }
*
* @return string A compiled stylesheet from stored CSS rules.
*/
public static function compile_stylesheet_from_css_rules( $css_rules, $options = array() ) {