Revert "Use a patch format and support linkTarget of core/button …

…for Pattern Overrides (#58165)" (#58489)

This reverts commit a0fccd1.

lib/compat/wordpress-6.5/block-bindings/sources/pattern.php

@@ -8,23 +8,8 @@ function gutenberg_block_bindings_pattern_overrides_callback( $source_attrs, $bl
 	if ( ! _wp_array_get( $block_instance->attributes, array( 'metadata', 'id' ), false ) ) {
 		return null;
 	}
-	$block_id           = $block_instance->attributes['metadata']['id'];
-	$attribute_override = _wp_array_get( $block_instance->context, array( 'pattern/overrides', $block_id, $attribute_name ), null );
-	if ( null === $attribute_override ) {
-		return null;
-	}
-	switch ( $attribute_override[0] ) {
-		case 0: // remove
-			/**
-			 * TODO: This currently doesn't remove the attribute, but only set it to an empty string.
-			 * It's a temporary solution until the block binding API supports different operations.
-			 */
-			return '';
-		case 1: // replace
-			return $attribute_override[1];
-		default:
-			return null;
-	}
+	$block_id = $block_instance->attributes['metadata']['id'];
+	return _wp_array_get( $block_instance->context, array( 'pattern/overrides', $block_id, $attribute_name ), null );
 }
 
 function gutenberg_register_block_bindings_pattern_overrides_source() {

lib/compat/wordpress-6.5/blocks.php

@@ -163,7 +163,7 @@ function gutenberg_process_block_bindings( $block_content, $block, $block_instan
 		'core/paragraph' => array( 'content' ),
 		'core/heading'   => array( 'content' ),
 		'core/image'     => array( 'url', 'title', 'alt' ),
-		'core/button'    => array( 'url', 'text', 'linkTarget' ),
+		'core/button'    => array( 'url', 'text' ),
 	);
 
 	// If the block doesn't have the bindings property or isn't one of the allowed block types, return.

packages/block-library/src/block/edit.js

@@ -88,26 +88,6 @@ const useInferredLayout = ( blocks, parentLayout ) => {
 	}, [ blocks, parentLayout ] );
 };
 
-/**
- * Enum for patch operations.
- * We use integers here to minimize the size of the serialized data.
- * This has to be deserialized accordingly on the server side.
- * See block-bindings/sources/pattern.php
- */
-const PATCH_OPERATIONS = {
-	/** @type {0} */
-	Remove: 0,
-	/** @type {1} */
-	Replace: 1,
-	// Other operations are reserved for future use. (e.g. Add)
-};
-
-/**
- * @typedef {[typeof PATCH_OPERATIONS.Remove]} RemovePatch
- * @typedef {[typeof PATCH_OPERATIONS.Replace, unknown]} ReplacePatch
- * @typedef {RemovePatch | ReplacePatch} OverridePatch
- */
-
 function applyInitialOverrides( blocks, overrides = {}, defaultValues ) {
 	return blocks.map( ( block ) => {
 		const innerBlocks = applyInitialOverrides(
@@ -124,15 +104,9 @@ function applyInitialOverrides( blocks, overrides = {}, defaultValues ) {
 			defaultValues[ blockId ] ??= {};
 			defaultValues[ blockId ][ attributeKey ] =
 				block.attributes[ attributeKey ];
-			/** @type {OverridePatch} */
-			const overrideAttribute = overrides[ blockId ]?.[ attributeKey ];
-			if ( ! overrideAttribute ) {
-				continue;
-			}
-			if ( overrideAttribute[ 0 ] === PATCH_OPERATIONS.Remove ) {
-				delete newAttributes[ attributeKey ];
-			} else if ( overrideAttribute[ 0 ] === PATCH_OPERATIONS.Replace ) {
-				newAttributes[ attributeKey ] = overrideAttribute[ 1 ];
+			if ( overrides[ blockId ]?.[ attributeKey ] !== undefined ) {
+				newAttributes[ attributeKey ] =
+					overrides[ blockId ][ attributeKey ];
 			}
 		}
 		return {
@@ -144,14 +118,13 @@ function applyInitialOverrides( blocks, overrides = {}, defaultValues ) {
 }
 
 function getOverridesFromBlocks( blocks, defaultValues ) {
-	/** @type {Record<string, Record<string, OverridePatch>>} */
+	/** @type {Record<string, Record<string, unknown>>} */
 	const overrides = {};
 	for ( const block of blocks ) {
 		Object.assign(
 			overrides,
 			getOverridesFromBlocks( block.innerBlocks, defaultValues )
 		);
-		/** @type {string} */
 		const blockId = block.attributes.metadata?.id;
 		if ( ! isPartiallySynced( block ) || ! blockId ) continue;
 		const attributes = getPartiallySyncedAttributes( block );
@@ -161,23 +134,10 @@ function getOverridesFromBlocks( blocks, defaultValues ) {
 				defaultValues[ blockId ][ attributeKey ]
 			) {
 				overrides[ blockId ] ??= {};
-				/**
-				 * Create a patch operation for the binding attribute.
-				 * We use a tuple here to minimize the size of the serialized data.
-				 * The first item is the operation type, the second item is the value if any.
-				 */
-				if ( block.attributes[ attributeKey ] === undefined ) {
-					/** @type {RemovePatch} */
-					overrides[ blockId ][ attributeKey ] = [
-						PATCH_OPERATIONS.Remove,
-					];
-				} else {
-					/** @type {ReplacePatch} */
-					overrides[ blockId ][ attributeKey ] = [
-						PATCH_OPERATIONS.Replace,
-						block.attributes[ attributeKey ],
-					];
-				}
+				// TODO: We need a way to represent `undefined` in the serialized overrides.
+				// Also see: https://github.com/WordPress/gutenberg/pull/57249#discussion_r1452987871
+				overrides[ blockId ][ attributeKey ] =
+					block.attributes[ attributeKey ];
 			}
 		}
 	}

packages/patterns/src/constants.js

@@ -27,7 +27,6 @@ export const PARTIAL_SYNCING_SUPPORTED_BLOCKS = {
 	'core/button': {
 		text: __( 'Text' ),
 		url: __( 'URL' ),
-		linkTarget: __( 'Link Target' ),
 	},
 	'core/image': {
 		url: __( 'URL' ),

test/e2e/specs/editor/various/pattern-overrides.spec.js

@@ -172,7 +172,7 @@ test.describe( 'Pattern Overrides', () => {
 						ref: patternId,
 						overrides: {
 							[ editableParagraphId ]: {
-								content: [ 1, 'I would word it this way' ],
+								content: 'I would word it this way',
 							},
 						},
 					},
@@ -183,7 +183,7 @@ test.describe( 'Pattern Overrides', () => {
 						ref: patternId,
 						overrides: {
 							[ editableParagraphId ]: {
-								content: [ 1, 'This one is different' ],
+								content: 'This one is different',
 							},
 						},
 					},
@@ -259,66 +259,4 @@ test.describe( 'Pattern Overrides', () => {
 			},
 		] );
 	} );
-
-	test( 'Supports `undefined` attribute values in patterns', async ( {
-		page,
-		admin,
-		editor,
-		requestUtils,
-	} ) => {
-		const buttonId = 'button-id';
-		const { id } = await requestUtils.createBlock( {
-			title: 'Pattern with overrides',
-			content: `<!-- wp:buttons -->
-<div class="wp-block-buttons"><!-- wp:button {"metadata":{"id":"${ buttonId }","bindings":{"text":{"source":"core/pattern-overrides"},"url":{"source":"core/pattern-overrides"},"linkTarget":{"source":"core/pattern-overrides"}}}} -->
-<div class="wp-block-button"><a class="wp-block-button__link wp-element-button" href="http://wp.org" target="_blank" rel="noreferrer noopener">wp.org</a></div>
-<!-- /wp:button --></div>
-<!-- /wp:buttons -->`,
-			status: 'publish',
-		} );
-
-		await admin.createNewPost();
-
-		await editor.insertBlock( {
-			name: 'core/block',
-			attributes: { ref: id },
-		} );
-
-		await editor.canvas
-			.getByRole( 'document', { name: 'Block: Button' } )
-			.getByRole( 'textbox', { name: 'Button text' } )
-			.focus();
-
-		await expect(
-			page.getByRole( 'link', { name: 'wp.org' } )
-		).toContainText( 'opens in a new tab' );
-
-		const openInNewTabCheckbox = page.getByRole( 'checkbox', {
-			name: 'Open in new tab',
-		} );
-		await expect( openInNewTabCheckbox ).toBeChecked();
-
-		await openInNewTabCheckbox.setChecked( false );
-
-		await expect.poll( editor.getBlocks ).toMatchObject( [
-			{
-				name: 'core/block',
-				attributes: {
-					ref: id,
-					overrides: {
-						[ buttonId ]: {
-							linkTarget: [ 0 ],
-						},
-					},
-				},
-			},
-		] );
-
-		const postId = await editor.publishPost();
-		await page.goto( `/?p=${ postId }` );
-
-		const link = page.getByRole( 'link', { name: 'wp.org' } );
-		await expect( link ).toHaveAttribute( 'href', 'http://wp.org' );
-		await expect( link ).toHaveAttribute( 'target', '' );
-	} );
 } );