Refresh bundled HTML converter

tests/BFBConversionUnitTest.php

@@ -219,6 +219,35 @@ public function detect( string $content ): bool {
 		$this->assertSame( array( 'mode' => 'fidelity' ), $probe->received_options, 'Generic adapters should receive public conversion options.' );
 	}
 
+	/**
+	 * Resolved asset metadata should flow through BFB into h2bc media transforms.
+	 */
+	public function test_asset_metadata_context_enriches_h2bc_image_blocks(): void {
+		$serialized = bfb_convert(
+			'<img src="assets/hero.jpg" alt="Source alt" width="1200" height="800">',
+			'html',
+			'blocks',
+			array(
+				'context' => array(
+					'asset_metadata' => array(
+						'assets/hero.jpg' => array(
+							'id'  => 42,
+							'url' => 'https://example.test/wp-content/uploads/hero.jpg',
+						),
+					),
+				),
+			)
+		);
+
+		$blocks = parse_blocks( $serialized );
+		$image  = $this->first_block_named( $blocks, 'core/image' );
+
+		$this->assertNotNull( $image );
+		$this->assertSame( 42, $image['attrs']['id'] ?? null );
+		$this->assertStringContainsString( 'alt="Source alt"', $image['innerHTML'] ?? '' );
+		$this->assertStringContainsString( 'src="https://example.test/wp-content/uploads/hero.jpg"', $image['innerHTML'] ?? '' );
+	}
+
 	/**
 	 * BFB should expose h2bc's expanded layout transforms through bfb_convert().
 	 */
@@ -1000,6 +1029,30 @@ private function flatten_blocks( array $blocks ): array {
 		return $names;
 	}
 
+	/**
+	 * Find the first block with the requested name in a parsed block tree.
+	 *
+	 * @param array<int, array<string, mixed>> $blocks Parsed blocks.
+	 * @param string                          $name Block name.
+	 * @return array<string, mixed>|null Matching block, or null.
+	 */
+	private function first_block_named( array $blocks, string $name ): ?array {
+		foreach ( $blocks as $block ) {
+			if ( $name === ( $block['blockName'] ?? null ) ) {
+				return $block;
+			}
+
+			if ( ! empty( $block['innerBlocks'] ) && is_array( $block['innerBlocks'] ) ) {
+				$inner = $this->first_block_named( $block['innerBlocks'], $name );
+				if ( null !== $inner ) {
+					return $inner;
+				}
+			}
+		}
+
+		return null;
+	}
+
 	/**
 	 * Assert every expected substring appears in a conversion result.
 	 *

vendor_prefixed/chubes4/html-to-blocks-converter/includes/class-html-element.php

@@ -36,6 +36,9 @@ public static function from_html(string $html): ?self
         if (empty($html)) {
             return null;
         }
+        if (\preg_match('/^<\s*(area|base|br|col|embed|hr|img|input|link|meta|param|source|track|wbr)\b([^>]*)\/?>\s*$/i', $html, $matches)) {
+            return new self($matches[1], self::parse_attribute_string($matches[2]), $html, '');
+        }
         $processor = \WP_HTML_Processor::create_fragment($html);
         if (!$processor) {
             return null;
@@ -102,6 +105,30 @@ private static function extract_attributes(\WP_HTML_Processor $processor): array
         }
         return $attributes;
     }
+    /**
+     * Parses attributes from a raw opening tag string.
+     *
+     * @param string $attribute_string Raw attribute markup.
+     * @return array Attribute map.
+     */
+    private static function parse_attribute_string(string $attribute_string): array
+    {
+        $attributes = array();
+        if (\preg_match_all('/([a-zA-Z_:][-a-zA-Z0-9_:.]*)\s*=\s*("([^"]*)"|\'([^\']*)\'|([^\s"\'>]+))/', $attribute_string, $matches, \PREG_SET_ORDER)) {
+            foreach ($matches as $match) {
+                $value = '';
+                if (isset($match[3]) && '' !== $match[3]) {
+                    $value = $match[3];
+                } elseif (isset($match[4]) && '' !== $match[4]) {
+                    $value = $match[4];
+                } elseif (isset($match[5])) {
+                    $value = $match[5];
+                }
+                $attributes[\strtolower($match[1])] = \html_entity_decode($value, \ENT_QUOTES, 'UTF-8');
+            }
+        }
+        return $attributes;
+    }
     /**
      * Extracts inner HTML from an element string
      *