diff --git a/src/wp-includes/class-wp-theme-json.php b/src/wp-includes/class-wp-theme-json.php index 2833e8be9c94d..69a349f970cc7 100644 --- a/src/wp-includes/class-wp-theme-json.php +++ b/src/wp-includes/class-wp-theme-json.php @@ -343,15 +343,27 @@ class WP_Theme_JSON { ), ); + /** + * Defines which pseudo selectors are enabled for which elements. + * + * Note: this will affect both top-level and block-level elements. + * + * @since 6.1.0 + */ + const VALID_ELEMENT_PSEUDO_SELECTORS = array( + 'link' => array( ':hover', ':focus', ':active', ':visited' ), + 'button' => array( ':hover', ':focus', ':active', ':visited' ), + ); + /** * The valid elements that can be found under styles. * * @since 5.8.0 - * @since 6.1.0 Added `heading`, `button`, and `caption` to the elements. + * @since 6.1.0 Added `heading`, `button`. and `caption` elements. * @var string[] */ const ELEMENTS = array( - 'link' => 'a', + 'link' => 'a:where(:not(.wp-element-button))', // The `where` is needed to lower the specificity. 'heading' => 'h1, h2, h3, h4, h5, h6', 'h1' => 'h1', 'h2' => 'h2', @@ -365,6 +377,29 @@ class WP_Theme_JSON { 'caption' => '.wp-element-caption, .wp-block-audio figcaption, .wp-block-embed figcaption, .wp-block-gallery figcaption, .wp-block-image figcaption, .wp-block-table figcaption, .wp-block-video figcaption', ); + const __EXPERIMENTAL_ELEMENT_CLASS_NAMES = array( + 'button' => 'wp-element-button', + 'caption' => 'wp-element-caption', + ); + + /** + * Returns a class name by an element name. + * + * @since 6.1.0 + * + * @param string $element The name of the element. + * @return string The name of the class. + */ + public static function get_element_class_name( $element ) { + $class_name = ''; + + if ( array_key_exists( $element, static::__EXPERIMENTAL_ELEMENT_CLASS_NAMES ) ) { + $class_name = static::__EXPERIMENTAL_ELEMENT_CLASS_NAMES[ $element ]; + } + + return $class_name; + } + /** * Options that settings.appearanceTools enables. * @@ -488,16 +523,21 @@ protected static function do_opt_in_into_settings( &$context ) { * @return array The sanitized output. */ protected static function sanitize( $input, $valid_block_names, $valid_element_names ) { + $output = array(); if ( ! is_array( $input ) ) { return $output; } + // Preserve only the top most level keys. $output = array_intersect_key( $input, array_flip( static::VALID_TOP_LEVEL_KEYS ) ); - // Some styles are only meant to be available at the top-level (e.g.: blockGap), - // hence, the schema for blocks & elements should not have them. + /* + * Remove any rules that are annotated as "top" in VALID_STYLES constant. + * Some styles are only meant to be available at the top-level (e.g.: blockGap), + * hence, the schema for blocks & elements should not have them. + */ $styles_non_top_level = static::VALID_STYLES; foreach ( array_keys( $styles_non_top_level ) as $section ) { foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) { @@ -510,9 +550,24 @@ protected static function sanitize( $input, $valid_block_names, $valid_element_n // Build the schema based on valid block & element names. $schema = array(); $schema_styles_elements = array(); + + /* + * Set allowed element pseudo selectors based on per element allow list. + * Target data structure in schema: + * e.g. + * - top level elements: `$schema['styles']['elements']['link'][':hover']`. + * - block level elements: `$schema['styles']['blocks']['core/button']['elements']['link'][':hover']`. + */ foreach ( $valid_element_names as $element ) { $schema_styles_elements[ $element ] = $styles_non_top_level; + + if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { + foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { + $schema_styles_elements[ $element ][ $pseudo_selector ] = $styles_non_top_level; + } + } } + $schema_styles_blocks = array(); $schema_settings_blocks = array(); foreach ( $valid_block_names as $block ) { @@ -520,6 +575,7 @@ protected static function sanitize( $input, $valid_block_names, $valid_element_n $schema_styles_blocks[ $block ] = $styles_non_top_level; $schema_styles_blocks[ $block ]['elements'] = $schema_styles_elements; } + $schema['styles'] = static::VALID_STYLES; $schema['styles']['blocks'] = $schema_styles_blocks; $schema['styles']['elements'] = $schema_styles_elements; @@ -549,6 +605,30 @@ protected static function sanitize( $input, $valid_block_names, $valid_element_n return $output; } + /** + * Appends a sub-selector to an existing one. + * + * Given the compounded $selector "h1, h2, h3" + * and the $to_append selector ".some-class" the result will be + * "h1.some-class, h2.some-class, h3.some-class". + * + * @since 5.8.0 + * @since 6.1.0 Added append position. + * + * @param string $selector Original selector. + * @param string $to_append Selector to append. + * @param string $position A position sub-selector should be appended. Default 'right'. + * @return string + */ + protected static function append_to_selector( $selector, $to_append, $position = 'right' ) { + $new_selectors = array(); + $selectors = explode( ',', $selector ); + foreach ( $selectors as $sel ) { + $new_selectors[] = 'right' === $position ? $sel . $to_append : $to_append . $sel; + } + return implode( ',', $new_selectors ); + } + /** * Returns the metadata for each block. * @@ -611,7 +691,11 @@ protected static function get_blocks_metadata() { foreach ( static::ELEMENTS as $el_name => $el_selector ) { $element_selector = array(); foreach ( $block_selectors as $selector ) { - $element_selector[] = $selector . ' ' . $el_selector; + if ( $selector === $el_selector ) { + $element_selector = array( $el_selector ); + break; + } + $element_selector[] = static::append_to_selector( $el_selector, $selector . ' ', 'left' ); } static::$blocks_metadata[ $block_name ]['elements'][ $el_name ] = implode( ',', $element_selector ); } @@ -810,54 +894,7 @@ protected function get_block_classes( $style_nodes ) { if ( null === $metadata['selector'] ) { continue; } - - $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); - $selector = $metadata['selector']; - $settings = _wp_array_get( $this->theme_json, array( 'settings' ) ); - $declarations = static::compute_style_properties( $node, $settings ); - - // 1. Separate the ones who use the general selector - // and the ones who use the duotone selector. - $declarations_duotone = array(); - foreach ( $declarations as $index => $declaration ) { - if ( 'filter' === $declaration['name'] ) { - unset( $declarations[ $index ] ); - $declarations_duotone[] = $declaration; - } - } - - /* - * Reset default browser margin on the root body element. - * This is set on the root selector **before** generating the ruleset - * from the `theme.json`. This is to ensure that if the `theme.json` declares - * `margin` in its `spacing` declaration for the `body` element then these - * user-generated values take precedence in the CSS cascade. - * @link https://github.com/WordPress/gutenberg/issues/36147. - */ - if ( static::ROOT_BLOCK_SELECTOR === $selector ) { - $block_rules .= 'body { margin: 0; }'; - } - - // 2. Generate the rules that use the general selector. - $block_rules .= static::to_ruleset( $selector, $declarations ); - - // 3. Generate the rules that use the duotone selector. - if ( isset( $metadata['duotone'] ) && ! empty( $declarations_duotone ) ) { - $selector_duotone = static::scope_selector( $metadata['selector'], $metadata['duotone'] ); - $block_rules .= static::to_ruleset( $selector_duotone, $declarations_duotone ); - } - - if ( static::ROOT_BLOCK_SELECTOR === $selector ) { - $block_rules .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }'; - $block_rules .= '.wp-site-blocks > .alignright { float: right; margin-left: 2em; }'; - $block_rules .= '.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; - - $has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null; - if ( $has_block_gap_support ) { - $block_rules .= '.wp-site-blocks > * { margin-block-start: 0; margin-block-end: 0; }'; - $block_rules .= '.wp-site-blocks > * + * { margin-block-start: var( --wp--style--block-gap ); }'; - } - } + $block_rules .= static::get_styles_for_block( $metadata ); } return $block_rules; @@ -972,29 +1009,6 @@ static function ( $carry, $element ) { return $selector . '{' . $declaration_block . '}'; } - /** - * Function that appends a sub-selector to a existing one. - * - * Given the compounded $selector "h1, h2, h3" - * and the $to_append selector ".some-class" the result will be - * "h1.some-class, h2.some-class, h3.some-class". - * - * @since 5.8.0 - * - * @param string $selector Original selector. - * @param string $to_append Selector to append. - * @return string - */ - protected static function append_to_selector( $selector, $to_append ) { - $new_selectors = array(); - $selectors = explode( ',', $selector ); - foreach ( $selectors as $sel ) { - $new_selectors[] = $sel . $to_append; - } - - return implode( ',', $new_selectors ); - } - /** * Given a settings array, it returns the generated rulesets * for the preset classes. @@ -1312,13 +1326,15 @@ protected static function flatten_tree( $tree, $prefix = '', $token = '--' ) { * * @since 5.8.0 * @since 5.9.0 Added the `$settings` and `$properties` parameters. + * @since 6.1.0 Added the `$theme_json` parameter. * * @param array $styles Styles to process. * @param array $settings Theme settings. * @param array $properties Properties metadata. + * @param array $theme_json Theme JSON array. * @return array Returns the modified $declarations. */ - protected static function compute_style_properties( $styles, $settings = array(), $properties = null ) { + protected static function compute_style_properties( $styles, $settings = array(), $properties = null, $theme_json = null ) { if ( null === $properties ) { $properties = static::PROPERTIES_METADATA; } @@ -1329,7 +1345,7 @@ protected static function compute_style_properties( $styles, $settings = array() } foreach ( $properties as $css_property => $value_path ) { - $value = static::get_property_value( $styles, $value_path ); + $value = static::get_property_value( $styles, $value_path, $theme_json ); // Look up protected properties, keyed by value path. // Skip protected properties that are explicitly set to `null`. @@ -1365,20 +1381,58 @@ protected static function compute_style_properties( $styles, $settings = array() * "var:preset|color|secondary" to the form * "--wp--preset--color--secondary". * + * It also converts references to a path to the value + * stored at that location, e.g. + * { "ref": "style.color.background" } => "#fff". + * * @since 5.8.0 * @since 5.9.0 Added support for values of array type, which are returned as is. + * @since 6.1.0 Added the `$theme_json` parameter. * * @param array $styles Styles subtree. * @param array $path Which property to process. + * @param array $theme_json Theme JSON array. * @return string|array Style property value. */ - protected static function get_property_value( $styles, $path ) { + protected static function get_property_value( $styles, $path, $theme_json = null ) { $value = _wp_array_get( $styles, $path, '' ); + /* + * This converts references to a path to the value at that path + * where the values is an array with a "ref" key, pointing to a path. + * For example: { "ref": "style.color.background" } => "#fff". + */ + if ( is_array( $value ) && array_key_exists( 'ref', $value ) ) { + $value_path = explode( '.', $value['ref'] ); + $ref_value = _wp_array_get( $theme_json, $value_path ); + // Only use the ref value if we find anything. + if ( ! empty( $ref_value ) && is_string( $ref_value ) ) { + $value = $ref_value; + } + + if ( is_array( $ref_value ) && array_key_exists( 'ref', $ref_value ) ) { + $path_string = json_encode( $path ); + $ref_value_string = json_encode( $ref_value ); + _doing_it_wrong( + 'get_property_value', + sprintf( + /* translators: 1: theme.json, 2: Value name, 3: Value path, 4: Another value name. */ + __( 'Your %1$s file uses a dynamic value (%2$s) for the path at %3$s. However, the value at %3$s is also a dynamic value (pointing to %4$s) and pointing to another dynamic value is not supported. Please update %3$s to point directly to %4$s.' ), + 'theme.json', + $ref_value_string, + $path_string, + $ref_value['ref'] + ), + '6.1.0' + ); + } + } + if ( '' === $value || is_array( $value ) ) { return $value; } + // Convert custom CSS properties. $prefix = 'var:'; $prefix_len = strlen( $prefix ); $token_in = '|'; @@ -1490,6 +1544,19 @@ protected static function get_style_nodes( $theme_json, $selectors = array() ) { 'path' => array( 'styles', 'elements', $element ), 'selector' => static::ELEMENTS[ $element ], ); + + // Handle any pseudo selectors for the element. + if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { + foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { + + if ( isset( $theme_json['styles']['elements'][ $element ][ $pseudo_selector ] ) ) { + $nodes[] = array( + 'path' => array( 'styles', 'elements', $element ), + 'selector' => static::append_to_selector( static::ELEMENTS[ $element ], $pseudo_selector ), + ); + } + } + } } } @@ -1498,6 +1565,51 @@ protected static function get_style_nodes( $theme_json, $selectors = array() ) { return $nodes; } + $nodes = array_merge( $nodes, static::get_block_nodes( $theme_json ) ); + + /** + * Filters the list of style nodes with metadata. + * + * This allows for things like loading block CSS independently. + * + * @since 6.1.0 + * + * @param array $nodes Style nodes with metadata. + */ + return apply_filters( 'get_style_nodes', $nodes ); + } + + /** + * A public helper to get the block nodes from a theme.json file. + * + * @since 6.1.0 + * + * @return array The block nodes in theme.json. + */ + public function get_styles_block_nodes() { + return static::get_block_nodes( $this->theme_json ); + } + + /** + * An internal method to get the block nodes from a theme.json file. + * + * @since 6.1.0 + * + * @param array $theme_json The theme.json converted to an array. + * @return array The block nodes in theme.json. + */ + private static function get_block_nodes( $theme_json ) { + $selectors = static::get_blocks_metadata(); + $nodes = array(); + if ( ! isset( $theme_json['styles'] ) ) { + return $nodes; + } + + // Blocks. + if ( ! isset( $theme_json['styles']['blocks'] ) ) { + return $nodes; + } + foreach ( $theme_json['styles']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { @@ -1510,6 +1622,7 @@ protected static function get_style_nodes( $theme_json, $selectors = array() ) { } $nodes[] = array( + 'name' => $name, 'path' => array( 'styles', 'blocks', $name ), 'selector' => $selector, 'duotone' => $duotone_selector, @@ -1521,6 +1634,18 @@ protected static function get_style_nodes( $theme_json, $selectors = array() ) { 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => $selectors[ $name ]['elements'][ $element ], ); + + // Handle any pseudo selectors for the element. + if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { + foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { + if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'][ $element ][ $pseudo_selector ] ) ) { + $nodes[] = array( + 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), + 'selector' => static::append_to_selector( $selectors[ $name ]['elements'][ $element ], $pseudo_selector ), + ); + } + } + } } } } @@ -1528,6 +1653,116 @@ protected static function get_style_nodes( $theme_json, $selectors = array() ) { return $nodes; } + /** + * Gets the CSS rules for a particular block from theme.json. + * + * @since 6.1.0 + * + * @param array $block_metadata Meta data about the block to get styles for. + * @return array Styles for the block. + */ + public function get_styles_for_block( $block_metadata ) { + + $node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() ); + + $selector = $block_metadata['selector']; + $settings = _wp_array_get( $this->theme_json, array( 'settings' ) ); + + /* + * Get a reference to element name from path. + * $block_metadata['path'] = array( 'styles','elements','link' ); + * Make sure that $block_metadata['path'] describes an element node, like [ 'styles', 'element', 'link' ]. + * Skip non-element paths like just ['styles']. + */ + $is_processing_element = in_array( 'elements', $block_metadata['path'], true ); + + $current_element = $is_processing_element ? $block_metadata['path'][ count( $block_metadata['path'] ) - 1 ] : null; + + $element_pseudo_allowed = array(); + + if ( array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { + $element_pseudo_allowed = static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ]; + } + + /* + * Check for allowed pseudo classes (e.g. ":hover") from the $selector ("a:hover"). + * This also resets the array keys. + */ + $pseudo_matches = array_values( + array_filter( + $element_pseudo_allowed, + function( $pseudo_selector ) use ( $selector ) { + return str_contains( $selector, $pseudo_selector ); + } + ) + ); + + $pseudo_selector = isset( $pseudo_matches[0] ) ? $pseudo_matches[0] : null; + + /* + * If the current selector is a pseudo selector that's defined in the allow list for the current + * element then compute the style properties for it. + * Otherwise just compute the styles for the default selector as normal. + */ + if ( $pseudo_selector && isset( $node[ $pseudo_selector ] ) && + array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) + && in_array( $pseudo_selector, static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ], true ) + ) { + $declarations = static::compute_style_properties( $node[ $pseudo_selector ], $settings, null, $this->theme_json ); + } else { + $declarations = static::compute_style_properties( $node, $settings, null, $this->theme_json ); + } + + $block_rules = ''; + + /* + * 1. Separate the declarations that use the general selector + * from the ones using the duotone selector. + */ + $declarations_duotone = array(); + foreach ( $declarations as $index => $declaration ) { + if ( 'filter' === $declaration['name'] ) { + unset( $declarations[ $index ] ); + $declarations_duotone[] = $declaration; + } + } + + /* + * Reset default browser margin on the root body element. + * This is set on the root selector **before** generating the ruleset + * from the `theme.json`. This is to ensure that if the `theme.json` declares + * `margin` in its `spacing` declaration for the `body` element then these + * user-generated values take precedence in the CSS cascade. + * @link https://github.com/WordPress/gutenberg/issues/36147. + */ + if ( static::ROOT_BLOCK_SELECTOR === $selector ) { + $block_rules .= 'body { margin: 0; }'; + } + + // 2. Generate and append the rules that use the general selector. + $block_rules .= static::to_ruleset( $selector, $declarations ); + + // 3. Generate and append the rules that use the duotone selector. + if ( isset( $block_metadata['duotone'] ) && ! empty( $declarations_duotone ) ) { + $selector_duotone = static::scope_selector( $block_metadata['selector'], $block_metadata['duotone'] ); + $block_rules .= static::to_ruleset( $selector_duotone, $declarations_duotone ); + } + + if ( static::ROOT_BLOCK_SELECTOR === $selector ) { + $block_rules .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }'; + $block_rules .= '.wp-site-blocks > .alignright { float: right; margin-left: 2em; }'; + $block_rules .= '.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + + $has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null; + if ( $has_block_gap_support ) { + $block_rules .= '.wp-site-blocks > * { margin-block-start: 0; margin-block-end: 0; }'; + $block_rules .= '.wp-site-blocks > * + * { margin-block-start: var( --wp--style--block-gap ); }'; + } + } + + return $block_rules; + } + /** * For metadata values that can either be booleans or paths to booleans, gets the value. * @@ -1837,10 +2072,12 @@ public static function remove_insecure_properties( $theme_json ) { $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); - $theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names ); + + $theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names ); $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $theme_json, $blocks_metadata ); + foreach ( $style_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { @@ -1848,6 +2085,25 @@ public static function remove_insecure_properties( $theme_json ) { } $output = static::remove_insecure_styles( $input ); + + /* + * Get a reference to element name from path. + * $metadata['path'] = array( 'styles', 'elements', 'link' ); + */ + $current_element = $metadata['path'][ count( $metadata['path'] ) - 1 ]; + + /* + * $output is stripped of pseudo selectors. Re-add and process them + * or insecure styles here. + */ + if ( array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { + foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] as $pseudo_selector ) { + if ( isset( $input[ $pseudo_selector ] ) ) { + $output[ $pseudo_selector ] = static::remove_insecure_styles( $input[ $pseudo_selector ] ); + } + } + } + if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } diff --git a/src/wp-includes/global-styles-and-settings.php b/src/wp-includes/global-styles-and-settings.php index efc2edcaaa354..2e642cc2b1e05 100644 --- a/src/wp-includes/global-styles-and-settings.php +++ b/src/wp-includes/global-styles-and-settings.php @@ -192,3 +192,45 @@ function wp_get_global_styles_svg_filters() { return $svgs; } + +/** + * Adds global style rules to the inline style for each block. + * + * @since 6.1.0 + */ +function wp_add_global_styles_for_blocks() { + $tree = WP_Theme_JSON_Resolver::get_merged_data(); + $block_nodes = $tree->get_styles_block_nodes(); + foreach ( $block_nodes as $metadata ) { + $block_css = $tree->get_styles_for_block( $metadata ); + + if ( isset( $metadata['name'] ) ) { + $block_name = str_replace( 'core/', '', $metadata['name'] ); + /* + * These block styles are added on block_render. + * This hooks inline CSS to them so that they are loaded conditionally + * based on whether or not the block is used on the page. + */ + wp_add_inline_style( 'wp-block-' . $block_name, $block_css ); + } + + // The likes of block element styles from theme.json do not have $metadata['name'] set. + if ( ! isset( $metadata['name'] ) && ! empty( $metadata['path'] ) ) { + $result = array_values( + array_filter( + $metadata['path'], + function ( $item ) { + if ( strpos( $item, 'core/' ) !== false ) { + return true; + } + return false; + } + ) + ); + if ( isset( $result[0] ) ) { + $block_name = str_replace( 'core/', '', $result[0] ); + wp_add_inline_style( 'wp-block-' . $block_name, $block_css ); + } + } + } +} diff --git a/src/wp-includes/script-loader.php b/src/wp-includes/script-loader.php index 11858ec9bfe10..354845fb9d670 100644 --- a/src/wp-includes/script-loader.php +++ b/src/wp-includes/script-loader.php @@ -2353,6 +2353,30 @@ function wp_common_block_scripts_and_styles() { do_action( 'enqueue_block_assets' ); } +/** + * Applies a filter to the list of style nodes that comes from WP_Theme_JSON::get_style_nodes(). + * + * This particular filter removes all of the blocks from the array. + * + * We want WP_Theme_JSON to be ignorant of the implementation details of how the CSS is being used. + * This filter allows us to modify the output of WP_Theme_JSON depending on whether or not we are + * loading separate assets, without making the class aware of that detail. + * + * @since 6.1.0 + * + * @param array $nodes The nodes to filter. + * @return array A filtered array of style nodes. + */ +function wp_filter_out_block_nodes( $nodes ) { + return array_filter( + $nodes, + function( $node ) { + return ! in_array( 'blocks', $node['path'], true ); + }, + ARRAY_FILTER_USE_BOTH + ); +} + /** * Enqueues the global styles defined via theme.json. * @@ -2377,6 +2401,16 @@ function wp_enqueue_global_styles() { return; } + /* + * If we are loading CSS for each block separately, then we can load the theme.json CSS conditionally. + * This removes the CSS from the global-styles stylesheet and adds it to the inline CSS for each block. + */ + if ( $separate_assets ) { + add_filter( 'get_style_nodes', 'wp_filter_out_block_nodes' ); + // Add each block as an inline css. + wp_add_global_styles_for_blocks(); + } + $stylesheet = wp_get_global_stylesheet(); if ( empty( $stylesheet ) ) { diff --git a/tests/phpunit/tests/theme/wpThemeJson.php b/tests/phpunit/tests/theme/wpThemeJson.php index 8a3649dbcbb90..740ea4a6d7b9c 100644 --- a/tests/phpunit/tests/theme/wpThemeJson.php +++ b/tests/phpunit/tests/theme/wpThemeJson.php @@ -367,8 +367,8 @@ public function test_get_stylesheet_support_for_shorthand_and_longhand_values() ); $styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-block-group{border-radius: 10px;margin: 1em;padding: 24px;}.wp-block-image{border-top-left-radius: 10px;border-bottom-right-radius: 1em;margin-bottom: 30px;padding-top: 15px;}'; - $this->assertEquals( $styles, $theme_json->get_stylesheet() ); - $this->assertEquals( $styles, $theme_json->get_stylesheet( array( 'styles' ) ) ); + $this->assertSame( $styles, $theme_json->get_stylesheet() ); + $this->assertSame( $styles, $theme_json->get_stylesheet( array( 'styles' ) ) ); } /** @@ -399,8 +399,8 @@ public function test_get_stylesheet_skips_disabled_protected_properties() { ); $expected = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; - $this->assertEquals( $expected, $theme_json->get_stylesheet() ); - $this->assertEquals( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); } /** @@ -424,8 +424,8 @@ public function test_get_stylesheet_renders_enabled_protected_properties() { ); $expected = 'body { margin: 0; }body{--wp--style--block-gap: 1em;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-site-blocks > * { margin-block-start: 0; margin-block-end: 0; }.wp-site-blocks > * + * { margin-block-start: var( --wp--style--block-gap ); }'; - $this->assertEquals( $expected, $theme_json->get_stylesheet() ); - $this->assertEquals( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); } /** @@ -458,9 +458,6 @@ public function test_get_stylesheet() { ), ), ), - 'spacing' => array( - 'blockGap' => false, - ), 'misc' => 'value', 'blocks' => array( 'core/group' => array( @@ -553,13 +550,13 @@ public function test_get_stylesheet() { ); $variables = 'body{--wp--preset--color--grey: grey;--wp--preset--font-family--small: 14px;--wp--preset--font-family--big: 41px;}.wp-block-group{--wp--custom--base-font: 16;--wp--custom--line-height--small: 1.2;--wp--custom--line-height--medium: 1.4;--wp--custom--line-height--large: 1.8;}'; - $styles = 'body { margin: 0; }body{color: var(--wp--preset--color--grey);}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-site-blocks > * { margin-block-start: 0; margin-block-end: 0; }.wp-site-blocks > * + * { margin-block-start: var( --wp--style--block-gap ); }a{background-color: #333;color: #111;}.wp-block-group{border-radius: 10px;padding: 24px;}.wp-block-group a{color: #111;}h1,h2,h3,h4,h5,h6{color: #123456;}h1 a,h2 a,h3 a,h4 a,h5 a,h6 a{background-color: #333;color: #111;font-size: 60px;}.wp-block-post-date{color: #123456;}.wp-block-post-date a{background-color: #777;color: #555;}.wp-block-image{border-top-left-radius: 10px;border-bottom-right-radius: 1em;margin-bottom: 30px;}'; + $styles = 'body { margin: 0; }body{color: var(--wp--preset--color--grey);}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }a:where(:not(.wp-element-button)){background-color: #333;color: #111;}.wp-block-group{border-radius: 10px;padding: 24px;}.wp-block-group a:where(:not(.wp-element-button)){color: #111;}h1,h2,h3,h4,h5,h6{color: #123456;}h1 a:where(:not(.wp-element-button)),h2 a:where(:not(.wp-element-button)),h3 a:where(:not(.wp-element-button)),h4 a:where(:not(.wp-element-button)),h5 a:where(:not(.wp-element-button)),h6 a:where(:not(.wp-element-button)){background-color: #333;color: #111;font-size: 60px;}.wp-block-post-date{color: #123456;}.wp-block-post-date a:where(:not(.wp-element-button)){background-color: #777;color: #555;}.wp-block-image{border-top-left-radius: 10px;border-bottom-right-radius: 1em;margin-bottom: 30px;}'; $presets = '.has-grey-color{color: var(--wp--preset--color--grey) !important;}.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}.has-small-font-family{font-family: var(--wp--preset--font-family--small) !important;}.has-big-font-family{font-family: var(--wp--preset--font-family--big) !important;}'; $all = $variables . $styles . $presets; - $this->assertEquals( $all, $theme_json->get_stylesheet() ); - $this->assertEquals( $styles, $theme_json->get_stylesheet( array( 'styles' ) ) ); - $this->assertEquals( $presets, $theme_json->get_stylesheet( array( 'presets' ) ) ); - $this->assertEquals( $variables, $theme_json->get_stylesheet( array( 'variables' ) ) ); + $this->assertSame( $all, $theme_json->get_stylesheet() ); + $this->assertSame( $styles, $theme_json->get_stylesheet( array( 'styles' ) ) ); + $this->assertSame( $presets, $theme_json->get_stylesheet( array( 'presets' ) ) ); + $this->assertSame( $variables, $theme_json->get_stylesheet( array( 'variables' ) ) ); } /** @@ -587,7 +584,7 @@ public function test_get_stylesheet_preset_classes_work_with_compounded_selector ) ); - $this->assertEquals( + $this->assertSame( 'h1.has-white-color,h2.has-white-color,h3.has-white-color,h4.has-white-color,h5.has-white-color,h6.has-white-color{color: var(--wp--preset--color--white) !important;}h1.has-white-background-color,h2.has-white-background-color,h3.has-white-background-color,h4.has-white-background-color,h5.has-white-background-color,h6.has-white-background-color{background-color: var(--wp--preset--color--white) !important;}h1.has-white-border-color,h2.has-white-border-color,h3.has-white-border-color,h4.has-white-border-color,h5.has-white-border-color,h6.has-white-border-color{border-color: var(--wp--preset--color--white) !important;}', $theme_json->get_stylesheet( array( 'presets' ) ) ); @@ -631,10 +628,10 @@ public function test_get_stylesheet_preset_rules_come_after_block_rules() { $presets = '.wp-block-group.has-grey-color{color: var(--wp--preset--color--grey) !important;}.wp-block-group.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.wp-block-group.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}'; $variables = '.wp-block-group{--wp--preset--color--grey: grey;}'; $all = $variables . $styles . $presets; - $this->assertEquals( $all, $theme_json->get_stylesheet() ); - $this->assertEquals( $styles, $theme_json->get_stylesheet( array( 'styles' ) ) ); - $this->assertEquals( $presets, $theme_json->get_stylesheet( array( 'presets' ) ) ); - $this->assertEquals( $variables, $theme_json->get_stylesheet( array( 'variables' ) ) ); + $this->assertSame( $all, $theme_json->get_stylesheet() ); + $this->assertSame( $styles, $theme_json->get_stylesheet( array( 'styles' ) ) ); + $this->assertSame( $presets, $theme_json->get_stylesheet( array( 'presets' ) ) ); + $this->assertSame( $variables, $theme_json->get_stylesheet( array( 'variables' ) ) ); } /** @@ -672,11 +669,11 @@ public function test_get_stylesheet_generates_proper_classes_and_css_vars_from_s ) ); - $this->assertEquals( + $this->assertSame( '.has-grey-color{color: var(--wp--preset--color--grey) !important;}.has-dark-grey-color{color: var(--wp--preset--color--dark-grey) !important;}.has-light-grey-color{color: var(--wp--preset--color--light-grey) !important;}.has-white-2-black-color{color: var(--wp--preset--color--white-2-black) !important;}.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.has-dark-grey-background-color{background-color: var(--wp--preset--color--dark-grey) !important;}.has-light-grey-background-color{background-color: var(--wp--preset--color--light-grey) !important;}.has-white-2-black-background-color{background-color: var(--wp--preset--color--white-2-black) !important;}.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}.has-dark-grey-border-color{border-color: var(--wp--preset--color--dark-grey) !important;}.has-light-grey-border-color{border-color: var(--wp--preset--color--light-grey) !important;}.has-white-2-black-border-color{border-color: var(--wp--preset--color--white-2-black) !important;}', $theme_json->get_stylesheet( array( 'presets' ) ) ); - $this->assertEquals( + $this->assertSame( 'body{--wp--preset--color--grey: grey;--wp--preset--color--dark-grey: grey;--wp--preset--color--light-grey: grey;--wp--preset--color--white-2-black: grey;--wp--custom--white-2-black: value;}', $theme_json->get_stylesheet( array( 'variables' ) ) ); @@ -719,12 +716,285 @@ public function test_get_stylesheet_preset_values_are_marked_as_important() { 'default' ); - $this->assertEquals( + $this->assertSame( 'body{--wp--preset--color--grey: grey;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }p{background-color: blue;color: red;font-size: 12px;line-height: 1.3;}.has-grey-color{color: var(--wp--preset--color--grey) !important;}.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}', $theme_json->get_stylesheet() ); } + /** + * @ticket 56467 + */ + public function test_get_stylesheet_handles_whitelisted_element_pseudo_selectors() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'elements' => array( + 'link' => array( + 'color' => array( + 'text' => 'green', + 'background' => 'red', + ), + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'green', + ), + 'typography' => array( + 'textTransform' => 'uppercase', + 'fontSize' => '10em', + ), + ), + ':focus' => array( + 'color' => array( + 'text' => 'yellow', + 'background' => 'black', + ), + ), + ), + ), + ), + ) + ); + + $base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + + $element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}'; + + $expected = $base_styles . $element_styles; + + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + } + + /** + * @ticket 56467 + */ + public function test_get_stylesheet_handles_only_pseudo_selector_rules_for_given_property() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'elements' => array( + 'link' => array( + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'green', + ), + 'typography' => array( + 'textTransform' => 'uppercase', + 'fontSize' => '10em', + ), + ), + ':focus' => array( + 'color' => array( + 'text' => 'yellow', + 'background' => 'black', + ), + ), + ), + ), + ), + ) + ); + + $base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + + $element_styles = 'a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}'; + + $expected = $base_styles . $element_styles; + + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + } + + /** + * @ticket 56467 + */ + public function test_get_stylesheet_ignores_pseudo_selectors_on_non_whitelisted_elements() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'elements' => array( + 'h4' => array( + 'color' => array( + 'text' => 'green', + 'background' => 'red', + ), + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'green', + ), + ), + ':focus' => array( + 'color' => array( + 'text' => 'yellow', + 'background' => 'black', + ), + ), + ), + ), + ), + ) + ); + + $base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + + $element_styles = 'h4{background-color: red;color: green;}'; + + $expected = $base_styles . $element_styles; + + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + } + + /** + * @ticket 56467 + */ + public function test_get_stylesheet_ignores_non_whitelisted_pseudo_selectors() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'elements' => array( + 'link' => array( + 'color' => array( + 'text' => 'green', + 'background' => 'red', + ), + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'green', + ), + ), + ':levitate' => array( + 'color' => array( + 'text' => 'yellow', + 'background' => 'black', + ), + ), + ), + ), + ), + ) + ); + + $base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + + $element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;}'; + + $expected = $base_styles . $element_styles; + + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + $this->assertStringNotContainsString( 'a:levitate{', $theme_json->get_stylesheet( array( 'styles' ) ) ); + } + + /** + * @ticket 56467 + */ + public function test_get_stylesheet_handles_priority_of_elements_vs_block_elements_pseudo_selectors() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'blocks' => array( + 'core/group' => array( + 'elements' => array( + 'link' => array( + 'color' => array( + 'text' => 'green', + 'background' => 'red', + ), + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'green', + ), + 'typography' => array( + 'textTransform' => 'uppercase', + 'fontSize' => '10em', + ), + ), + ':focus' => array( + 'color' => array( + 'text' => 'yellow', + 'background' => 'black', + ), + ), + ), + ), + ), + ), + ), + ) + ); + + $base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + + $element_styles = '.wp-block-group a:where(:not(.wp-element-button)){background-color: red;color: green;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}.wp-block-group a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}'; + + $expected = $base_styles . $element_styles; + + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + } + + /** + * @ticket 56467 + */ + public function test_get_stylesheet_handles_whitelisted_block_level_element_pseudo_selectors() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'elements' => array( + 'link' => array( + 'color' => array( + 'text' => 'green', + 'background' => 'red', + ), + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'green', + ), + ), + ), + ), + 'blocks' => array( + 'core/group' => array( + 'elements' => array( + 'link' => array( + ':hover' => array( + 'color' => array( + 'text' => 'yellow', + 'background' => 'black', + ), + ), + ), + ), + ), + ), + ), + ) + ); + + $base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + + $element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color: black;color: yellow;}'; + + $expected = $base_styles . $element_styles; + + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + $this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) ); + } + /** * @ticket 52991 * @ticket 54336 @@ -2086,6 +2356,56 @@ public function test_remove_insecure_properties_applies_safe_styles() { $this->assertEqualSetsWithIndex( $expected, $actual ); } + /** + * @ticket 56467 + */ + public function test_remove_invalid_element_pseudo_selectors() { + $actual = WP_Theme_JSON::remove_insecure_properties( + array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'elements' => array( + 'link' => array( + 'color' => array( + 'text' => 'hotpink', + 'background' => 'yellow', + ), + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'blue', + ), + ), + ), + ), + ), + ), + true + ); + + $expected = array( + 'version' => WP_Theme_JSON::LATEST_SCHEMA, + 'styles' => array( + 'elements' => array( + 'link' => array( + 'color' => array( + 'text' => 'hotpink', + 'background' => 'yellow', + ), + ':hover' => array( + 'color' => array( + 'text' => 'red', + 'background' => 'blue', + ), + ), + ), + ), + ), + ); + + $this->assertEqualSetsWithIndex( $expected, $actual ); + } + /** * @ticket 54336 */ @@ -2621,4 +2941,144 @@ function test_export_data_sets_appearance_tools() { $this->assertEqualSetsWithIndex( $expected, $actual ); } + + /** + * @ticket 56467 + */ + public function test_get_element_class_name_button() { + $expected = 'wp-element-button'; + $actual = WP_Theme_JSON::get_element_class_name( 'button' ); + + $this->assertSame( $expected, $actual ); + } + + /** + * @ticket 56467 + */ + public function test_get_element_class_name_invalid() { + $expected = ''; + $actual = WP_Theme_JSON::get_element_class_name( 'unknown-element' ); + + $this->assertSame( $expected, $actual ); + } + + /** + * Testing that dynamic properties in theme.json return the value they refrence, + * e.g. array( 'ref' => 'styles.color.background' ) => "#ffffff". + * + * @ticket 56467 + */ + public function test_get_property_value_valid() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => 2, + 'styles' => array( + 'color' => array( + 'background' => '#ffffff', + 'text' => '#000000', + ), + 'elements' => array( + 'button' => array( + 'color' => array( + 'background' => array( 'ref' => 'styles.color.text' ), + 'text' => array( 'ref' => 'styles.color.background' ), + ), + ), + ), + ), + ) + ); + + $expected = 'body { margin: 0; }body{background-color: #ffffff;color: #000000;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-element-button, .wp-block-button__link{background-color: #000000;color: #ffffff;}'; + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + } + + /** + * Testing that dynamic properties in theme.json that refer to other dynamic properties in a loop + * should be left untouched. + * + * @ticket 56467 + * @expectedIncorrectUsage get_property_value + */ + public function test_get_property_value_loop() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => 2, + 'styles' => array( + 'color' => array( + 'background' => '#ffffff', + 'text' => array( 'ref' => 'styles.elements.button.color.background' ), + ), + 'elements' => array( + 'button' => array( + 'color' => array( + 'background' => array( 'ref' => 'styles.color.text' ), + 'text' => array( 'ref' => 'styles.color.background' ), + ), + ), + ), + ), + ) + ); + + $expected = 'body { margin: 0; }body{background-color: #ffffff;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-element-button, .wp-block-button__link{color: #ffffff;}'; + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + } + + /** + * Testing that dynamic properties in theme.json that refer to other dynamic properties + * should be left unprocessed. + * + * @ticket 56467 + * @expectedIncorrectUsage get_property_value + */ + public function test_get_property_value_recursion() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => 2, + 'styles' => array( + 'color' => array( + 'background' => '#ffffff', + 'text' => array( 'ref' => 'styles.color.background' ), + ), + 'elements' => array( + 'button' => array( + 'color' => array( + 'background' => array( 'ref' => 'styles.color.text' ), + 'text' => array( 'ref' => 'styles.color.background' ), + ), + ), + ), + ), + ) + ); + + $expected = 'body { margin: 0; }body{background-color: #ffffff;color: #ffffff;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-element-button, .wp-block-button__link{color: #ffffff;}'; + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + } + + /** + * Testing that dynamic properties in theme.json that refer to themselves + * should be left unprocessed. + * + * @ticket 56467 + * @expectedIncorrectUsage get_property_value + */ + public function test_get_property_value_self() { + $theme_json = new WP_Theme_JSON( + array( + 'version' => 2, + 'styles' => array( + 'color' => array( + 'background' => '#ffffff', + 'text' => array( 'ref' => 'styles.color.text' ), + ), + ), + ) + ); + + $expected = 'body { margin: 0; }body{background-color: #ffffff;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; + $this->assertSame( $expected, $theme_json->get_stylesheet() ); + } + }