public static function isValidModuleName( $moduleName ) {
return !preg_match( '/[|,!]/', $moduleName ) && strlen( $moduleName ) <= 255;
}
+
+ /**
+ * Returns LESS compiler set up for use with MediaWiki
+ *
+ * @since 1.22
+ * @return lessc
+ */
+ public static function getLessCompiler() {
+ global $wgResourceLoaderLESSFunctions, $wgResourceLoaderLESSImportPaths;
+
+ $less = new lessc();
+ $less->setPreserveComments( true );
+ $less->setVariables( self::getLESSVars() );
+ $less->setImportDir( $wgResourceLoaderLESSImportPaths );
+ foreach ( $wgResourceLoaderLESSFunctions as $name => $func ) {
+ $less->registerFunction( $name, $func );
+ }
+ return $less;
+ }
+
+ /**
+ * Get global LESS variables.
+ *
+ * $since 1.22
+ * @return array: Map of variable names to string CSS values.
+ */
+ public static function getLESSVars() {
+ global $wgResourceLoaderLESSVars;
+
+ static $lessVars = null;
+ if ( $lessVars === null ) {
+ $lessVars = $wgResourceLoaderLESSVars;
+ // Sort by key to ensure consistent hashing for cache lookups.
+ ksort( $lessVars );
+ }
+ return $lessVars;
+ }
}