Don't extract template parameters from <pre>

<pre> behaves very similar to <nowiki> in so far that whatever it
contains doesn't get parsed as wikitext. It might contain {{{…}}}
tripple brackets, but these aren't going to be activated as template
parameters.

Bug: T91326
Change-Id: I05c24e369d97c48161c565e2ef30969ec28c6a23

includes/Api/ApiTemplateData.php

@@ -216,9 +216,10 @@ class ApiTemplateData extends ApiBase {
 	 * @return array[] Parameter info in the same format as the templatedata 'params' key.
 	 */
 	private function getRawParams( string $wikitext ): array {
-		// Ignore wikitext within nowiki tags and comments
+		// Ignore non-wikitext content in comments and wikitext-escaping tags
 		$wikitext = preg_replace( '/<!--.*?-->/s', '', $wikitext );
 		$wikitext = preg_replace( '/<nowiki\s*>.*?<\/nowiki\s*>/s', '', $wikitext );
+		$wikitext = preg_replace( '/<pre\s*>.*?<\/pre\s*>/s', '', $wikitext );
 
 		// This regex matches the one in ext.TemplateDataGenerator.sourceHandler.js
 		if ( !preg_match_all( '/{{{+([^\n#={|}]*?)([<|]|}}})/m', $wikitext, $rawParams ) ) {

modules/ext.templateDataGenerator.data/SourceHandler.js

@@ -173,9 +173,10 @@ SourceHandler.prototype.extractParametersFromTemplateCode = function ( templateC
 		// This regex matches the one in TemplateDataBlob.php
 		paramExtractor = /{{{+([^\n#={|}]*?)([<|]|}}})/mg;
 
-	// Strip everything in nowiki tags and HTML comments
+	// Ignore non-wikitext content in comments and wikitext-escaping tags
 	templateCode = templateCode.replace( /<!--[\s\S]*?-->/g, '' )
-		.replace( /<nowiki\s*>[\s\S]*?<\/nowiki\s*>/g, '' );
+		.replace( /<nowiki\s*>[\s\S]*?<\/nowiki\s*>/g, '' )
+		.replace( /<pre\s*>[\s\S]*?<\/pre\s*>/g, '' );
 
 	var matches;
 	while ( ( matches = paramExtractor.exec( templateCode ) ) !== null ) {

tests/phpunit/TemplateDataBlobTest.php

@@ -1407,7 +1407,7 @@ class TemplateDataBlobTest extends MediaWikiIntegrationTestCase {
 			],
 			'Params within comments and nowiki tags' => [
 				'Lorem <!-- {{{name}}} --> ipsum <nowiki  > {{{middlename}}}' .
-					'</nowiki> {{{surname}}}',
+					'</nowiki> <pre>{{{pre}}}</pre> {{{surname}}}',
 				[ 'surname' => [] ]
 			],
 			'Param within comments and param name outside with comment' => [