public static function findTypesAddedToUnions(
        Schema $oldSchema,
        Schema $newSchema
    ) {
        $oldTypeMap = $oldSchema->getTypeMap();
        $newTypeMap = $newSchema->getTypeMap();

        $typesAddedToUnion = [];
        foreach ($newTypeMap as $typeName => $newType) {
            $oldType = $oldTypeMap[$typeName] ?? null;
            if (! ($oldType instanceof UnionType) || ! ($newType instanceof UnionType)) {
                continue;
            }

            $typeNamesInOldUnion = [];
            foreach ($oldType->getTypes() as $type) {
                $typeNamesInOldUnion[$type->name] = true;
            }
            foreach ($newType->getTypes() as $type) {
                if (isset($typeNamesInOldUnion[$type->name])) {
                    continue;
                }

                $typesAddedToUnion[] = [
                    'type'        => self::DANGEROUS_CHANGE_TYPE_ADDED_TO_UNION,
                    'description' => sprintf('%s was added to union type %s.', $type->name, $typeName),
                ];
            }
        }

        return $typesAddedToUnion;
    }
public static function findTypesAddedToUnions(
        Schema $oldSchema,
        Schema $newSchema
    ) {
        $oldTypeMap = $oldSchema->getTypeMap();
        $newTypeMap = $newSchema->getTypeMap();

        $typesAddedToUnion = [];
        foreach ($newTypeMap as $typeName => $newType) {
            $oldType = $oldTypeMap[$typeName] ?? null;
            if (! ($oldType instanceof UnionType) || ! ($newType instanceof UnionType)) {
                continue;
            }

            $typeNamesInOldUnion = [];
            foreach ($oldType->getTypes() as $type) {
                $typeNamesInOldUnion[$type->name] = true;
            }
            foreach ($newType->getTypes() as $type) {
                if (isset($typeNamesInOldUnion[$type->name])) {
                    continue;
                }

                $typesAddedToUnion[] = [
                    'type'        => self::DANGEROUS_CHANGE_TYPE_ADDED_TO_UNION,
                    'description' => sprintf('%s was added to union type %s.', $type->name, $typeName),
                ];
            }
        }

        return $typesAddedToUnion;
    }
public static function findTypesAddedToUnions ( Schema $ oldSchema , Schema $ newSchema ) { $ oldTypeMap = $ oldSchema -> getTypeMap ( ) ; $ newTypeMap = $ newSchema -> getTypeMap ( ) ; $ typesAddedToUnion = [ ] ; foreach ( $ newTypeMap as $ typeName => $ newType ) { $ oldType = $ oldTypeMap [ $ typeName ] ?? null ; if ( ! ( $ oldType instanceof UnionType ) || ! ( $ newType instanceof UnionType ) ) { continue ; } $ typeNamesInOldUnion = [ ] ; foreach ( $ oldType -> getTypes ( ) as $ type ) { $ typeNamesInOldUnion [ $ type -> name ] = true ; } foreach ( $ newType -> getTypes ( ) as $ type ) { if ( isset ( $ typeNamesInOldUnion [ $ type -> name ] ) ) { continue ; } $ typesAddedToUnion [ ] = [ 'type' => self :: DANGEROUS_CHANGE_TYPE_ADDED_TO_UNION , 'description' => sprintf ( '%s was added to union type %s.' , $ type -> name , $ typeName ) , ] ; } } return $ typesAddedToUnion ; }
Given two schemas, returns an Array containing descriptions of any dangerous
changes in the newSchema related to adding types to a union type.

@return string[][]
Given two schemas returns an Array containing descriptions of any dangerous changes in the newSchema related to adding types to a union type .