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Fix syntax errors in additional checkout field docs #59777

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@opr opr commented Jul 18, 2025

Changes proposed in this Pull Request:

This PR fixes a couple of syntax errors in

Closes WOOPLUG-5026

How to test the changes in this Pull Request:

Using the WooCommerce Testing Instructions Guide, include your detailed testing instructions:

  1. Read the changes, try the example snippets I've changed in a real situation, e.g. using this snippet:
add_action(
	'init',
	function () {
	    woocommerce_register_additional_checkout_field(
	        array(
	            'id' => 'test-plugin/vat-number',
	            'label' => 'VAT Number',
	            'location' => 'address',
	            'type' => 'text',
				'validation' => [
					"type" => "string",
					"format" => "email",
					"not" => [
						"const" => [ '$data' => "/customer/billing_address/email" ]
					],
					"errorMessage" => "Please enter a valid alternative email."
				]
	        )
	    );
	}
);

Testing that has already taken place:

Changelog entry

  • Automatically create a changelog entry from the details below.
  • This Pull Request does not require a changelog entry. (Comment required below)
Changelog Entry Details

Significance

  • Patch
  • Minor
  • Major

Type

  • Fix - Fixes an existing bug
  • Add - Adds functionality
  • Update - Update existing functionality
  • Dev - Development related task
  • Tweak - A minor adjustment to the codebase
  • Performance - Address performance issues
  • Enhancement - Improvement to existing functionality

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Comment

@opr opr requested a review from a team as a code owner July 18, 2025 12:29
@opr opr added Documentation Issues and PRs related to improving documentation Rubik Store API checkout endpoints, Mini-Cart, Cart and Checkout related issues labels Jul 18, 2025
@woocommercebot woocommercebot requested a review from a team July 18, 2025 12:30
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github-actions bot commented Jul 18, 2025

Testing Guidelines

Hi @straku @woocommerce/developer-advocacy,

Apart from reviewing the code changes, please make sure to review the testing instructions (Guide) and verify that relevant tests (E2E, Unit, Integration, etc.) have been added or updated as needed.

Reminder: PR reviewers are required to document testing performed. This includes:

  • 🖼️ Screenshots or screen recordings.
  • 📝 List of functionality tested / steps followed.
  • 🌐 Site details (environment attributes such as hosting type, plugins, theme, store size, store age, and relevant settings).
  • 🔍 Any analysis performed, such as assessing potential impacts on environment attributes and other plugins, conducting performance profiling, or using LLM/AI-based analysis.

⚠️ Within the testing details you provide, please ensure that no sensitive information (such as API keys, passwords, user data, etc.) is included in this public issue.

@woocommercebot woocommercebot requested review from straku and removed request for a team July 18, 2025 12:30
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coderabbitai bot commented Jul 18, 2025

📝 Walkthrough

Walkthrough

This change updates documentation code examples for additional checkout fields in WooCommerce blocks. It corrects syntax errors, improves JSON schema usage, and fixes a return value in a PHP validation callback. No changes are made to any exported or public entities; only documentation code snippets are updated.

Changes

File(s) Change Summary
docs/block-development/cart-and-checkout-blocks/additional-checkout-fields.md Fixed indentation in action hook, corrected JSON schema syntax and patterns, and fixed PHP return value in code examples.

Sequence Diagram(s)

No sequence diagram is generated, as the changes are limited to documentation code examples and do not introduce or modify control flow.

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Actionable comments posted: 0

🧹 Nitpick comments (1)
docs/block-development/cart-and-checkout-blocks/additional-checkout-fields.md (1)

1146-1149: Avoid returning a value from an add_action() callback to keep the example consistent and prevent confusion

For action hooks WordPress ignores return values, yet earlier in the doc we emphasise “Returning a new WP_Error object or any other value will result in the errors not showing.”
Keeping a return statement here (even though it returns the same object) introduces an inconsistency that may confuse readers about best practice.

-				if ( 0 === $match || false === $match ) {
-					$errors->add( 'invalid_gov_id', 'Please ensure your government ID matches the correct format.' );
-				}
-				return $errors;
+				if ( 0 === $match || false === $match ) {
+					$errors->add( 'invalid_gov_id', 'Please ensure your government ID matches the correct format.' );
+				}
 				},

Removing the return keeps this example aligned with the guidance given a few paragraphs above.

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Configuration used: .coderabbit.yml
Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between 3e13ac7 and e927e82.

📒 Files selected for processing (1)
  • docs/block-development/cart-and-checkout-blocks/additional-checkout-fields.md (4 hunks)
🧰 Additional context used
🧠 Learnings (2)
📓 Common learnings
Learnt from: lysyjan
PR: woocommerce/woocommerce#59632
File: packages/js/email-editor/src/layouts/flex-email.tsx:116-122
Timestamp: 2025-07-14T10:41:46.200Z
Learning: In WooCommerce projects, formatting suggestions should respect the project's Prettier configuration and linting rules. Changes that would break the lint job should be avoided, even if they appear to improve readability.
Learnt from: jorgeatorres
PR: woocommerce/woocommerce#59675
File: .github/workflows/release-bump-as-requirement.yml:48-65
Timestamp: 2025-07-15T15:39:21.856Z
Learning: In WooCommerce core repository, changelog entries for all PRs live in `plugins/woocommerce/changelog/` directory and are processed during releases, not at the repository root level.
Learnt from: CR
PR: woocommerce/woocommerce#0
File: .cursor/rules/generate-pr-description.mdc:0-0
Timestamp: 2025-06-30T09:26:55.361Z
Learning: Provide clear, step-by-step instructions for how to test the changes in the PR description.
Learnt from: samueljseay
PR: woocommerce/woocommerce#58716
File: plugins/woocommerce/client/blocks/assets/js/blocks/mini-cart/iapi-frontend.ts:83-101
Timestamp: 2025-06-17T07:07:53.443Z
Learning: In WooCommerce blocks, when porting existing code patterns that have known issues (like parseInt truncating decimal money values), maintain consistency with existing implementation rather than making isolated fixes. The preference is for systematic refactoring approaches (like broader Dinero adoption) over piecemeal changes.
Learnt from: CR
PR: woocommerce/woocommerce#0
File: .cursor/rules/generate-pr-description.mdc:0-0
Timestamp: 2025-06-30T09:26:55.361Z
Learning: Applies to .github/PULL_REQUEST_TEMPLATE.md : The changelog section in the PR description must keep the markdown structure from the PR template exactly as-is, including all checkboxes, comments, and headings. Only the appropriate checkbox may be checked, and the changelog message must be placed under the `#### Comment` heading and before the closing `</details>` tag. Do not add, remove, or reformat any part of the changelog section except for checking the box and adding the message in the correct place.
Learnt from: opr
PR: woocommerce/woocommerce#0
File: :0-0
Timestamp: 2025-06-20T17:38:16.565Z
Learning: WooCommerce legacy JavaScript files in plugins/woocommerce/client/legacy/js/ must use older JavaScript syntax and cannot use modern features like optional chaining (?.) due to browser compatibility requirements. Explicit null checking with && operators should be used instead.
Learnt from: CR
PR: woocommerce/woocommerce#0
File: .cursor/rules/generate-pr-description.mdc:0-0
Timestamp: 2025-06-30T09:26:55.361Z
Learning: Applies to .github/PULL_REQUEST_TEMPLATE.md : Do not remove or alter required markdown sections in the PR description, especially those used by automation (e.g., changelog entry details and comments).
Learnt from: vladolaru
PR: woocommerce/woocommerce#58784
File: plugins/woocommerce/client/admin/client/settings-payments/components/other-payment-gateways/other-payment-gateways.tsx:43-50
Timestamp: 2025-06-18T07:56:06.961Z
Learning: In plugins/woocommerce/client/admin/client/settings-payments/components/other-payment-gateways/other-payment-gateways.tsx, the user vladolaru prefers to keep the current setUpPlugin function signature with optional positional context parameter rather than refactoring to an options object or making context required.
Learnt from: mreishus
PR: woocommerce/woocommerce#58891
File: plugins/woocommerce/src/Blocks/Utils/BlocksSharedState.php:0-0
Timestamp: 2025-06-16T21:59:26.255Z
Learning: In WooCommerce's CartSchema::get_item_response() method, when called in the context of BlocksSharedState::register_cart_interactivity(), the method returns a plain array rather than a WP_REST_Response object, making it directly suitable for wp_interactivity_state() without needing to call ->get_data().
Learnt from: ralucaStan
PR: woocommerce/woocommerce#58782
File: plugins/woocommerce/client/blocks/assets/js/base/utils/render-frontend.tsx:0-0
Timestamp: 2025-06-16T16:12:12.148Z
Learning: For WooCommerce checkout blocks, lazy loading was removed in favor of direct imports to prevent sequential "popping" effects during component loading. This approach prioritizes user experience over code splitting, with minimal bundle size impact and improved performance (1.7s to 1.1s speed score improvement). The checkout flow benefits from having all components load together rather than incrementally.
Learnt from: ralucaStan
PR: woocommerce/woocommerce#58782
File: plugins/woocommerce/client/blocks/assets/js/base/components/cart-checkout/product-details/style.scss:21-26
Timestamp: 2025-06-13T15:24:45.923Z
Learning: In WooCommerce blocks, bold styling for `.wc-block-components-product-details__name` should be scoped only to the Cart block (`.wc-block-cart__main`); on the Checkout block, product names are not bold because prices are highlighted instead.
Learnt from: samueljseay
PR: woocommerce/woocommerce#59051
File: plugins/woocommerce/client/blocks/assets/js/blocks/mini-cart/mini-cart-contents/inner-blocks/mini-cart-footer-block/index.tsx:66-70
Timestamp: 2025-06-23T05:47:52.696Z
Learning: For WooCommerce mini-cart blocks in plugins/woocommerce/client/blocks/assets/js/blocks/mini-cart/, the standardized conditional pattern for experimental features should be `if ( isExperimentalMiniCartEnabled() ) { blockSettings.save = () => <InnerBlocks.Content />; }` - defaulting to the traditional Save component and only overriding when the experimental feature is enabled.
Learnt from: gigitux
PR: woocommerce/woocommerce#58902
File: plugins/woocommerce/client/blocks/assets/js/blocks/product-specifications/edit.tsx:205-206
Timestamp: 2025-06-17T12:40:54.118Z
Learning: In WordPress blocks, when there's a styling mismatch between editor and frontend, check if the PHP renderer (like in `ProductSpecifications.php`) adds specific classes to the output. If so, add those same classes to the `useBlockProps` className in the editor component (like in `edit.tsx`) to ensure consistent styling. For example, adding `wp-block-table` class to both frontend and editor ensures core table styles and theme customizations apply consistently.
Learnt from: vladolaru
PR: woocommerce/woocommerce#59160
File: plugins/woocommerce/client/admin/client/settings-payments/onboarding/providers/woopayments/steps/payment-methods-selection/index.tsx:0-0
Timestamp: 2025-06-26T14:56:54.917Z
Learning: In WooCommerce payments onboarding components (like plugins/woocommerce/client/admin/client/settings-payments/onboarding/providers/woopayments/steps/payment-methods-selection/index.tsx), when updating local React state based on API calls, the local state should only be updated after the API call succeeds to prevent inconsistent state if the save operation fails. The pattern is to move setPaymentMethodsState calls inside the .then() callback of the API promise.
docs/block-development/cart-and-checkout-blocks/additional-checkout-fields.md (7)
Learnt from: samueljseay
PR: woocommerce/woocommerce#58716
File: plugins/woocommerce/client/blocks/assets/js/blocks/mini-cart/iapi-frontend.ts:83-101
Timestamp: 2025-06-17T07:07:53.443Z
Learning: In WooCommerce blocks, when porting existing code patterns that have known issues (like parseInt truncating decimal money values), maintain consistency with existing implementation rather than making isolated fixes. The preference is for systematic refactoring approaches (like broader Dinero adoption) over piecemeal changes.
Learnt from: lysyjan
PR: woocommerce/woocommerce#59632
File: packages/js/email-editor/src/layouts/flex-email.tsx:116-122
Timestamp: 2025-07-14T10:41:46.200Z
Learning: In WooCommerce projects, formatting suggestions should respect the project's Prettier configuration and linting rules. Changes that would break the lint job should be avoided, even if they appear to improve readability.
Learnt from: mreishus
PR: woocommerce/woocommerce#58891
File: plugins/woocommerce/src/Blocks/Utils/BlocksSharedState.php:0-0
Timestamp: 2025-06-16T21:59:26.255Z
Learning: In WooCommerce's CartSchema::get_item_response() method, when called in the context of BlocksSharedState::register_cart_interactivity(), the method returns a plain array rather than a WP_REST_Response object, making it directly suitable for wp_interactivity_state() without needing to call ->get_data().
Learnt from: ralucaStan
PR: woocommerce/woocommerce#58782
File: plugins/woocommerce/client/blocks/assets/js/base/components/cart-checkout/product-details/style.scss:21-26
Timestamp: 2025-06-13T15:24:45.923Z
Learning: In WooCommerce blocks, bold styling for `.wc-block-components-product-details__name` should be scoped only to the Cart block (`.wc-block-cart__main`); on the Checkout block, product names are not bold because prices are highlighted instead.
Learnt from: samueljseay
PR: woocommerce/woocommerce#59051
File: plugins/woocommerce/client/blocks/assets/js/blocks/mini-cart/mini-cart-contents/inner-blocks/mini-cart-footer-block/index.tsx:66-70
Timestamp: 2025-06-23T05:47:52.696Z
Learning: For WooCommerce mini-cart blocks in plugins/woocommerce/client/blocks/assets/js/blocks/mini-cart/, the standardized conditional pattern for experimental features should be `if ( isExperimentalMiniCartEnabled() ) { blockSettings.save = () => <InnerBlocks.Content />; }` - defaulting to the traditional Save component and only overriding when the experimental feature is enabled.
Learnt from: opr
PR: woocommerce/woocommerce#0
File: :0-0
Timestamp: 2025-06-20T17:38:16.565Z
Learning: WooCommerce legacy JavaScript files in plugins/woocommerce/client/legacy/js/ must use older JavaScript syntax and cannot use modern features like optional chaining (?.) due to browser compatibility requirements. Explicit null checking with && operators should be used instead.
Learnt from: gigitux
PR: woocommerce/woocommerce#58902
File: plugins/woocommerce/client/blocks/assets/js/blocks/product-specifications/edit.tsx:205-206
Timestamp: 2025-06-17T12:40:54.118Z
Learning: In WordPress blocks, when there's a styling mismatch between editor and frontend, check if the PHP renderer (like in `ProductSpecifications.php`) adds specific classes to the output. If so, add those same classes to the `useBlockProps` className in the editor component (like in `edit.tsx`) to ensure consistent styling. For example, adding `wp-block-table` class to both frontend and editor ensures core table styles and theme customizations apply consistently.

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Good catch 👍

"const" => ["$data", "0/customer/billing_address/email"]
]
"errorMessage" => "Please enter a valid VAT code with 2 letters for country code and 8-12 numbers."
"const" => [ '$data' => "/customer/billing_address/email" ]
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🤦🏻

@opr opr merged commit bbac2f3 into trunk Jul 21, 2025
23 of 24 checks passed
@opr opr deleted the wooplug-5026-enhancement-additional-checkout-block-fields-validation-not branch July 21, 2025 09:11
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4 participants