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Block Supports: Add opt-in semantic CSS class generation for style properties #80103

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Block Supports: Add opt-in semantic CSS class generation for style properties #80103

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25a4ace
Feat: Introduce opt-in semantic CSS class generation for style proper…
sarthaknagoshe2002 Jul 10, 2026
93cbb5a
Fix: PHPCS errors
sarthaknagoshe2002 Jul 10, 2026
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605 changes: 605 additions & 0 deletions lib/block-supports/style-classes.php
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68 changes: 37 additions & 31 deletions lib/experimental/class-wp-rest-block-editor-settings-controller.php
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Original file line number Diff line number Diff line change
Expand Up @@ -133,19 +133,19 @@ public function get_item_schema() {
'context' => array( 'default' ),
),

'styles' => array(
'styles' => array(
'description' => __( 'Editor styles', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),

'supportsTemplateMode' => array(
'supportsTemplateMode' => array(
'description' => __( 'Indicates whether the current theme supports block-based templates.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'supportsLayout' => array(
'supportsLayout' => array(
'description' => __( 'Enable/disable layouts support in container blocks.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
Expand All @@ -157,166 +157,172 @@ public function get_item_schema() {
'context' => array( 'default' ),
),

'__experimentalFeatures' => array(
'__experimentalFeatures' => array(
'description' => __( 'Settings consolidated from core, theme, and user origins.', 'gutenberg' ),
'type' => 'object',
'context' => array( 'default', 'mobile' ),
),

'__experimentalStyles' => array(
'__experimentalStyles' => array(
'description' => __( 'Styles consolidated from core, theme, and user origins.', 'gutenberg' ),
'type' => 'object',
'context' => array( 'mobile' ),
),

'__experimentalEnableQuoteBlockV2' => array(
'__experimentalEnableQuoteBlockV2' => array(
'description' => __( 'Whether the V2 of the quote block that uses inner blocks should be enabled.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'mobile' ),
),

'__experimentalEnableListBlockV2' => array(
'__experimentalEnableListBlockV2' => array(
'description' => __( 'Whether the V2 of the list block that uses inner blocks should be enabled.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'mobile' ),
),

'alignWide' => array(
'__experimentalStyleClassesEnabled' => array(
'description' => __( 'List of style properties explicitly enabled for semantic CSS class generation.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'edit', 'view' ),
),

'alignWide' => array(
'description' => __( 'Enable/Disable Wide/Full Alignments.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'allowedBlockTypes' => array(
'allowedBlockTypes' => array(
'description' => __( 'List of allowed block types.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'allowedMimeTypes' => array(
'allowedMimeTypes' => array(
'description' => __( 'List of allowed mime types and file extensions.', 'gutenberg' ),
'type' => 'object',
'context' => array( 'default' ),
),

'blockCategories' => array(
'blockCategories' => array(
'description' => __( 'Returns all the categories for block types that will be shown in the block editor.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),

'blockInspectorTabs' => array(
'blockInspectorTabs' => array(
'description' => __( 'Block inspector tab display overrides.', 'gutenberg' ),
'type' => 'object',
'context' => array( 'default' ),
),

'disableCustomColors' => array(
'disableCustomColors' => array(
'description' => __( 'Disables custom colors.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'disableCustomFontSizes' => array(
'disableCustomFontSizes' => array(
'description' => __( 'Disables custom font size.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'disableCustomGradients' => array(
'disableCustomGradients' => array(
'description' => __( 'Disables custom font size.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'disableLayoutStyles' => array(
'disableLayoutStyles' => array(
'description' => __( 'Disables output of layout styles.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'enableCustomLineHeight' => array(
'enableCustomLineHeight' => array(
'description' => __( 'Enables custom line height.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'enableCustomSpacing' => array(
'enableCustomSpacing' => array(
'description' => __( 'Enables custom spacing.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'enableCustomUnits' => array(
'enableCustomUnits' => array(
'description' => __( 'Enables custom units.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'isRTL' => array(
'isRTL' => array(
'description' => __( 'Determines whether the current locale is right-to-left (RTL).', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'imageDefaultSize' => array(
'imageDefaultSize' => array(
'description' => __( 'Default size for images.', 'gutenberg' ),
'type' => 'string',
'context' => array( 'default' ),
),

'imageDimensions' => array(
'imageDimensions' => array(
'description' => __( 'Available image dimensions.', 'gutenberg' ),
'type' => 'object',
'context' => array( 'default' ),
),

'imageEditing' => array(
'imageEditing' => array(
'description' => __( 'Determines whether the image editing feature is enabled.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
),

'imageSizes' => array(
'imageSizes' => array(
'description' => __( 'Available image sizes.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),

'maxUploadFileSize' => array(
'maxUploadFileSize' => array(
'description' => __( 'Maximum upload size in bytes allowed for the site.', 'gutenberg' ),
'type' => 'number',
'context' => array( 'default' ),
),

'colors' => array(
'colors' => array(
'description' => __( 'Active theme color palette.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),

'fontSizes' => array(
'fontSizes' => array(
'description' => __( 'Active theme font sizes.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),

'gradients' => array(
'gradients' => array(
'description' => __( 'Active theme gradients.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),
'spacingSizes' => array(
'spacingSizes' => array(
'description' => __( 'Active theme spacing sizes.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),
'spacingScale' => array(
'spacingScale' => array(
'description' => __( 'Active theme spacing scale.', 'gutenberg' ),
'type' => 'array',
'context' => array( 'default' ),
),
'disableCustomSpacingSizes' => array(
'disableCustomSpacingSizes' => array(
'description' => __( 'Disables custom spacing sizes.', 'gutenberg' ),
'type' => 'boolean',
'context' => array( 'default' ),
Expand Down
1 change: 1 addition & 0 deletions lib/load.php
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Original file line number Diff line number Diff line change
Expand Up @@ -211,6 +211,7 @@ function gutenberg_is_experiment_enabled( $name ) {
require __DIR__ . '/block-supports/block-visibility.php';
require __DIR__ . '/block-supports/custom-css.php';
require __DIR__ . '/block-supports/states.php';
require __DIR__ . '/block-supports/style-classes.php';

// Client-side media processing.
require_once __DIR__ . '/media/load.php';
Expand Down
1 change: 1 addition & 0 deletions packages/block-editor/src/hooks/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ import listView from './list-view';
import './block-renaming';
import './grid-visualizer';
import AutoRegisterControls from './auto-inspector-controls';
import './style-classes';

createBlockEditFilter(
[
Expand Down
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