Function assertGraphQLInterfaceType

packages/testing/assertion.ts:37–42

(input: unknown)

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