Function assertGraphQLUnionType

packages/testing/assertion.ts:43–48

(input: unknown)

  throw new Error('Expected GraphQLInterfaceType.');
}
export function assertGraphQLUnionType(input: unknown): asserts input is GraphQLUnionType {
  if (input instanceof GraphQLUnionType) {
    return;
  }
  throw new Error('Expected GraphQLUnionType.');
}
export function assertGraphQLInputObjectType(
  input: unknown,
): asserts input is GraphQLInputObjectType {