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Replace regex with tag processor for duotone class render #49212

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merged 2 commits into from
Mar 21, 2023
Merged

Replace regex with tag processor for duotone class render #49212

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87e05df
Replace regex with tag processor for duotone class render
Mar 20, 2023
9c30a2c
Change the order of classes in duotone tests
Mar 20, 2023
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12 changes: 6 additions & 6 deletions lib/class-wp-duotone-gutenberg.php
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Original file line number Diff line number Diff line change
Expand Up @@ -360,11 +360,11 @@ public static function render_duotone_support( $block_content, $block ) {
);

// Like the layout hook, this assumes the hook only applies to blocks with a single wrapper.
return preg_replace(
'/' . preg_quote( 'class="', '/' ) . '/',
'class="' . $filter_id . ' ',
$block_content,
1
);
$tags = new WP_HTML_Tag_Processor( $block_content );
if ( $tags->next_tag() ) {
$tags->add_class( $filter_id );
}
Comment on lines +364 to +366
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It looks like add_class gets a free pass and the if statement isn't necessary/desired here.

Suggested change
if ( $tags->next_tag() ) {
$tags->add_class( $filter_id );
}
$tags->add_class( $filter_id );

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The $tags->next_tag() returns a boolean if it finds a tag or not, so the if statement is checking to make sure that we have an element to add the class to, not that the class already exists on the element. The only reason I think it might return false is if you have an empty string or malformed HTML.

For reference, I based this off of how it was used in #46625.


return $tags->get_updated_html();
}
}
6 changes: 3 additions & 3 deletions phpunit/class-wp-duotone-test.php
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Expand Up @@ -21,7 +21,7 @@ public function test_gutenberg_render_duotone_support_preset() {
'attrs' => array( 'style' => array( 'color' => array( 'duotone' => 'var:preset|duotone|blue-orange' ) ) ),
);
$block_content = '<figure class="wp-block-image size-full"><img src="/my-image.jpg" /></figure>';
$expected = '<figure class="wp-duotone-blue-orange wp-block-image size-full"><img src="/my-image.jpg" /></figure>';
$expected = '<figure class="wp-block-image size-full wp-duotone-blue-orange"><img src="/my-image.jpg" /></figure>';
$this->assertSame( $expected, WP_Duotone_Gutenberg::render_duotone_support( $block_content, $block ) );
}

Expand All @@ -31,7 +31,7 @@ public function test_gutenberg_render_duotone_support_css() {
'attrs' => array( 'style' => array( 'color' => array( 'duotone' => 'unset' ) ) ),
);
$block_content = '<figure class="wp-block-image size-full"><img src="/my-image.jpg" /></figure>';
$expected = '/<figure class="wp-duotone-unset-\d+ wp-block-image size-full"><img src="\\/my-image.jpg" \\/><\\/figure>/';
$expected = '/<figure class="wp-block-image size-full wp-duotone-unset-\d+"><img src="\\/my-image.jpg" \\/><\\/figure>/';
$this->assertMatchesRegularExpression( $expected, WP_Duotone_Gutenberg::render_duotone_support( $block_content, $block ) );
}

Expand All @@ -41,7 +41,7 @@ public function test_gutenberg_render_duotone_support_custom() {
'attrs' => array( 'style' => array( 'color' => array( 'duotone' => array( '#FFFFFF', '#000000' ) ) ) ),
);
$block_content = '<figure class="wp-block-image size-full"><img src="/my-image.jpg" /></figure>';
$expected = '/<figure class="wp-duotone-ffffff-000000-\d+ wp-block-image size-full"><img src="\\/my-image.jpg" \\/><\\/figure>/';
$expected = '/<figure class="wp-block-image size-full wp-duotone-ffffff-000000-\d+"><img src="\\/my-image.jpg" \\/><\\/figure>/';
$this->assertMatchesRegularExpression( $expected, WP_Duotone_Gutenberg::render_duotone_support( $block_content, $block ) );
}

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