Automattic\WooCommerce\Api\Infrastructure

GraphQLControllerBase::document_has_mutation │ private │ WC 1.0

Check whether the parsed document contains a mutation operation.

When an operation name is given, only that operation is checked; otherwise any mutation definition in the document triggers a match.

Method of the class: GraphQLControllerBase{}

No Hooks.

Returns

null. Nothing (null).

Usage

// private - for code of main (parent) class only
$result = $this->document_has_mutation( $document, ?string $operation_name ): bool;
$document(DocumentNode) (required)
The parsed GraphQL document.
?string $operation_name(required)
.

GraphQLControllerBase::document_has_mutation() code WC 10.9.4

woocommerce/src/Api/Infrastructure/GraphQLControllerBase.php 
private function document_has_mutation( DocumentNode $document, ?string $operation_name ): bool {
	foreach ( $document->definitions as $definition ) {
		if ( ! $definition instanceof OperationDefinitionNode ) {
			continue;
		}

		if ( null !== $operation_name && ( $definition->name->value ?? null ) !== $operation_name ) {
			continue;
		}

		if ( 'mutation' === $definition->operation ) {
			return true;
		}
	}

	return false;
}