Function validateImpl

src/validation/validate.ts:132–178

(
  schema: GraphQLSchema,
  documentAST: DocumentNode,
  rules: ReadonlyArray<ValidationRule>,
  options: ValidationOptions | undefined,
)

}

function validateImpl(
  schema: GraphQLSchema,
  documentAST: DocumentNode,
  rules: ReadonlyArray<ValidationRule>,
  options: ValidationOptions | undefined,
): ReadonlyArray<GraphQLError> {
  const maxErrors = options?.maxErrors ?? 100;
  const hideSuggestions = options?.hideSuggestions ?? false;

  // If the schema used for validation is invalid, throw an error.
  assertValidSchema(schema);

  const errors: Array<GraphQLError> = [];
  const typeInfo = new TypeInfo(schema);
  const context = new ValidationContext(
    schema,
    documentAST,
    typeInfo,
    (error) => {
      if (errors.length >= maxErrors) {
        throw tooManyValidationErrorsError;
      }
      errors.push(error);
    },
    hideSuggestions,
  );

  // This uses a specialized visitor which runs multiple visitors in parallel,
  // while maintaining the visitor skip and break API.
  const visitor = visitInParallel(rules.map((rule) => rule(context)));

  // Visit the whole document with each instance of all provided rules.
  try {
    visit(
      documentAST,
      visitWithTypeInfo(typeInfo, visitor),
      QueryDocumentKeysToValidate,
    );
  } catch (e: unknown) {
    if (e === tooManyValidationErrorsError) {
      errors.push(tooManyValidationErrorsError);
    } else {
      throw e;
    }
  }
  return errors;
}

/** @internal */
export function validateSDL(