A quick and easy way of generating errors for use with grpc
npm install --save grpc-errors
constgrpcErrors=require('grpc-errors');// Code...varerr=newgrpcErrors.AlreadyExistsError('The file already exists!');CancelledErrorUnknownErrorInvalidArgumentErrorDeadlineExceededErrorNotFoundErrorAlreadyExistsErrorPermissionDeniedErrorUnauthenticatedErrorResourceExhaustedErrorFailedPreconditionErrorAbortedErrorOutOfRangeErrorUnimplementedErrorInternalErrorUnavailableErrorDataLossErrorUnauthenticatedError