Ignore GeoJSON description objects

Author: JeroenDeDauw

RELEASE-NOTES.md

@@ -9,6 +9,7 @@ Not released yet.
 
 * Raised the minimum MediaWiki version from 1.35 to 1.40
 * Added compatibility with MediaWiki 1.44
+* Fixed GeoJSON error by ignoring GeoJSON descriptions that are objects
 
 ## Maps 11.0.1
 

src/GeoJsonPages/Semantic/SubObjectBuilder.php

@@ -48,14 +48,14 @@ private function pointToSubobject( Point $point, array $properties ): SubObject
 			new \SMWDIGeoCoord( $point->getCoordinates()[1], $point->getCoordinates()[0] )
 		);
 
-		if ( array_key_exists( 'description', $properties ) ) {
+		if ( array_key_exists( 'description', $properties ) && is_string( $properties['description'] ) ) {
 			$subObject->addPropertyValuePair(
 				'HasDescription',
 				new \SMWDIBlob( $properties['description'] )
 			);
 		}
 
-		if ( array_key_exists( 'title', $properties ) ) {
+		if ( array_key_exists( 'title', $properties ) && is_string( $properties['title'] ) ) {
 			$subObject->addPropertyValuePair(
 				'HasTitle',
 				new \SMWDIBlob( $properties['title'] )