Function extractError

@app/lib/src/errors.ts:11–22

(
  error: null | Error | ApolloError | GraphQLError
)

  error: null | Error | ApolloError | GraphQLError
): null | Error | GraphQLError;
export function extractError(
  error: null | Error | ApolloError | GraphQLError
): null | Error | GraphQLError {
  return (
    (error &&
      "graphQLErrors" in error &&
      error.graphQLErrors &&
      error.graphQLErrors.length &&
      error.graphQLErrors[0]) ||
    error
  );
}

export function getExceptionFromError(
  error: null | Error | ApolloError | GraphQLError