Automattic\WooCommerce\Vendor\GraphQL\Utils

BreakingChangesFinder::findTypesAddedToUnions │ public static │ WC 1.0

Given two schemas, returns an Array containing descriptions of any dangerous changes in the newSchema related to adding types to a union type.

Method of the class: BreakingChangesFinder{}

No Hooks.

Returns

Array. Change>

Usage

$result = BreakingChangesFinder::findTypesAddedToUnions( $oldSchema, $newSchema ): array;
$oldSchema(Schema) (required)
.
$newSchema(Schema) (required)
.

BreakingChangesFinder::findTypesAddedToUnions() code WC 10.9.1

woocommerce/lib/packages/GraphQL/Utils/BreakingChangesFinder.php 
public static function findTypesAddedToUnions(
    Schema $oldSchema,
    Schema $newSchema
): array {
    $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])) {
                $typesAddedToUnion[] = [
                    'type' => self::DANGEROUS_CHANGE_TYPE_ADDED_TO_UNION,
                    'description' => "{$type->name} was added to union type {$typeName}.",
                ];
            }
        }
    }

    return $typesAddedToUnion;
}