adds skip links check for block themes by MaggieCabrera · Pull Request #457 · WordPress/theme-check

MaggieCabrera · 2024-09-03T10:35:19Z

This PR adds a check only for block themes to see if templates have a main tag present. If they don't they will be missing the skip links from said template.

I need to check when a template is made out of a pattern and the main tag will be inside the pattern instead of the template file

MaggieCabrera · 2024-09-03T11:05:27Z

We might want to check if there's multiple tags too

matiasbenedetto

the <main> tag is being rendered in the HTML instead of being printed as text:

matiasbenedetto · 2024-09-09T14:01:20Z

It would be nice to make the main tag search recusive for nested patterns.

MaggieCabrera · 2024-09-11T15:42:21Z

I fixed those! ready for another review

Co-authored-by: Matias Benedetto <matias.benedetto@gmail.com>

matiasbenedetto · 2024-09-16T15:05:37Z

+			return false;
+		}
+
+		$files = glob( $theme_dir . '/' . $directory . '/*.php' );


Same as in #457 (comment)

It looks like $php_files doesn't store the contents of the comment in the pattern, so I have no way of checking if the slug of the pattern is the one I'm trying to match

seems like that's done here so I will leave this part of the code as I implemented it:

theme-check/checkbase.php

Line 61 in b2b4cec

$php[ $filename ] = tc_strip_comments( $php[ $filename ] );

kafleg · 2024-09-17T07:24:34Z

I checked by removing "tagName":"main" from the template files in Twenty Twenty Four theme but this PR won't show anything.

Would you please let me know how did you test that?

kafleg · 2024-09-17T07:43:01Z

I checked by removing "tagName":"main" from the template files in Twenty Twenty Four theme but this PR won't show anything.

Would you please let me know how did you test that?

I find it. I was checking different PR. Sorry!

kafleg · 2024-09-17T07:54:24Z

REQUIRED Skip links are missing from the following templates: single.html, single.html Please make sure the templates have a

tag.

Why the message show single.html, single.html twice?

MaggieCabrera · 2024-09-17T08:02:52Z

REQUIRED Skip links are missing from the following templates: single.html, single.html Please make sure the templates have a
tag.

Why the message show single.html, single.html twice?

I haven't seen that on my tests, what did you try to get that to happen?

kafleg · 2024-09-17T08:14:16Z

In single.html file of TT4 theme, I simply changed <main class="wp-block-group alignfull"> to <div class="wp-block-group alignfull">

kafleg · 2024-09-17T08:21:10Z

I think I found the reason,
I changed on index.html and single.html in two files and it is happended.

MaggieCabrera · 2024-10-31T09:40:39Z

I think I found the reason, I changed on index.html and single.html in two files and it is happended.

I just fixed this

MaggieCabrera · 2024-10-31T10:31:10Z

Sorry, I have been super busy; I just caught up with the reviews. It should be ready to go now!

matiasbenedetto · 2024-11-06T13:53:01Z

+	/**
+	 * Returns true if the theme is a block theme.
+	 *
+	 * @var array $is_block_theme
+	 */
+	protected $is_block_theme = false;
+
+	/**
+	 * The WP_Theme instance being checked.
+	 *
+	 * @var WP_Theme $wp_theme
+	 */
+	protected $wp_theme = false;
+
+	function set_context( $data ) {
+		if ( isset( $data['theme'] ) ) {
+			$this->wp_theme       = $data['theme'];
+			$this->is_block_theme = wp_is_block_theme();
+		}


As far as I can see is_block_theme is not being used in this check class. Is it used somewhere?

matiasbenedetto

I think the Skip_Links_Check class needs to be added to the list of FSE specific checks here:

theme-check/checkbase.php

Lines 386 to 387 in dabaf1d

    
           // Add FSE specific checks. 
        
           $themechecks[] = new FSE_Required_Files_Check();

So this line needs to be removed:

theme-check/checks/class-skip-links.php

Line 152 in dabaf1d

$themechecks[] = new Skip_Links_Check();

See FSE_Required_Files_Check class as reference.

Copilot

Pull request overview

This PR introduces a new Theme Check rule intended to validate that block-theme templates include a <main> landmark (directly or via referenced patterns) so skip links can be present.

Changes:

Adds Skip_Links_Check to scan block template files for a main landmark.
Adds pattern parsing to detect <main> within referenced (including nested) block patterns.
Registers the new check in the global $themechecks list.

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+				$file_name    = tc_filename( $php_key );
+				$has_main_tag = strpos( $file, '<main' ) !== false;
+


+		$files = glob( $theme_dir . '/' . $directory . '/*.php' );
+
+		$has_tag = false;
+
+		foreach ( $files as $file ) {
+			if ( is_file( $file ) ) {
+				$contents = file_get_contents( $file );


+	function set_context( $data ) {
+		if ( isset( $data['theme'] ) ) {
+			$this->wp_theme       = $data['theme'];
+			$this->is_block_theme = wp_is_block_theme();
+		}


+
+		foreach ( $other_files as $php_key => $file ) {
+			// if the file is a template, print the name of the file
+			if ( strpos( $php_key, 'templates/' ) !== false ) {


+							$has_main_tag = $this->pattern_has_tag( $slug );
+							if ( ! $has_main_tag ) {
+								if ( ! in_array( $file_name, $templates_without_main_tag ) ) {
+									$templates_without_main_tag[] = $file_name;
+								}
+							}
+						}


+		foreach ( $files as $file ) {
+			if ( is_file( $file ) ) {
+				$contents = file_get_contents( $file );
+				$pattern  = '/\* Slug: ' . preg_quote( $slug, '/' ) . '\b/';
+				if ( preg_match( $pattern, $contents ) ) {
+					$has_tag = strpos( $contents, '<main' ) !== false;
+					if ( ! $has_tag ) {


+		$directory = 'patterns';
+		$theme_dir = $this->wp_theme->get_stylesheet_directory();
+
+		if ( ! is_dir( $theme_dir . '/' . $directory ) ) {
+			$directory = 'block-patterns';
+		}
+		if ( ! is_dir( $theme_dir . '/' . $directory ) ) {
+			return false;
+		}
+
+		$files = glob( $theme_dir . '/' . $directory . '/*.php' );


+					if ( ! $has_tag ) {
+						$nested_patterns_slugs = $this->template_has_patterns( $contents );
+						if ( $nested_patterns_slugs ) {
+							foreach ( $nested_patterns_slugs as $slug ) {
+								$has_tag = $this->pattern_has_tag( $slug );


+
+		$info                       = '';
+		$templates_without_main_tag = array();
+


MaggieCabrera added 2 commits September 3, 2024 12:35

adds skip links check for block themes

c8f16a3

fixed formatting

db23a46

MaggieCabrera marked this pull request as draft September 3, 2024 11:05

kafleg assigned MaggieCabrera Sep 3, 2024

kafleg added the enhancement label Sep 3, 2024

check inside patterns for a main tag

382d151

MaggieCabrera marked this pull request as ready for review September 5, 2024 15:10

fix formatting

0875502

matiasbenedetto reviewed Sep 6, 2024

View reviewed changes

Comment thread checks/class-skip-links.php

matiasbenedetto reviewed Sep 9, 2024

View reviewed changes

MaggieCabrera added 3 commits September 11, 2024 17:14

change is block theme check to use function

b630160

escape html tags

3b2ea37

check for nested patterns

1aa08ce

matiasbenedetto reviewed Sep 16, 2024

View reviewed changes

Comment thread checks/class-skip-links.php Outdated

Update checks/class-skip-links.php

17ee421

Co-authored-by: Matias Benedetto <matias.benedetto@gmail.com>

matiasbenedetto reviewed Sep 16, 2024

View reviewed changes

Comment thread checks/class-skip-links.php Outdated

matiasbenedetto reviewed Sep 16, 2024

View reviewed changes

matiasbenedetto reviewed Sep 17, 2024

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Comment thread checks/class-skip-links.php

MaggieCabrera added 2 commits October 31, 2024 10:35

return false when check fails

508a151

avoid duplicated file names

ed39dbb

MaggieCabrera added 2 commits October 31, 2024 11:00

don't traverse file contents

e186040

fix format

dabaf1d

matiasbenedetto reviewed Nov 6, 2024

View reviewed changes

carolinan requested a review from Copilot March 19, 2026 09:50

Copilot AI reviewed Mar 19, 2026

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adds skip links check for block themes - #457

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	// Add FSE specific checks.
	$themechecks[] = new FSE_Required_Files_Check();

		$file_name = tc_filename( $php_key );
		$has_main_tag = strpos( $file, '<main' ) !== false;

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