Map status from GRPC to HTTP for NestJS

grpc-http-status-mapper.ts

import { status as GrpcStatus } from '@grpc/grpc-js';
import { HttpStatus } from '@nestjs/common';

// REF: https://cloud.google.com/apis/design/errors#handling_errors
const httpCodeMapper = {
	[GrpcStatus.OK]: HttpStatus.OK,
	[GrpcStatus.INVALID_ARGUMENT]: HttpStatus.BAD_REQUEST,
	[GrpcStatus.FAILED_PRECONDITION]: HttpStatus.BAD_REQUEST,
	[GrpcStatus.OUT_OF_RANGE]: HttpStatus.BAD_REQUEST,
	[GrpcStatus.UNAUTHENTICATED]: HttpStatus.UNAUTHORIZED,
	[GrpcStatus.PERMISSION_DENIED]: HttpStatus.FORBIDDEN,
	[GrpcStatus.NOT_FOUND]: HttpStatus.NOT_FOUND,
	[GrpcStatus.ABORTED]: HttpStatus.CONFLICT,
	[GrpcStatus.ALREADY_EXISTS]: HttpStatus.CONFLICT,
	[GrpcStatus.RESOURCE_EXHAUSTED]: HttpStatus.TOO_MANY_REQUESTS,
	[GrpcStatus.CANCELLED]: 499, //CLIENT_CLOSED_REQUEST
	[GrpcStatus.DATA_LOSS]: HttpStatus.INTERNAL_SERVER_ERROR,
	[GrpcStatus.UNKNOWN]: HttpStatus.INTERNAL_SERVER_ERROR,
	[GrpcStatus.INTERNAL]: HttpStatus.INTERNAL_SERVER_ERROR,
	[GrpcStatus.UNIMPLEMENTED]: HttpStatus.NOT_IMPLEMENTED,
	[GrpcStatus.UNAVAILABLE]: HttpStatus.INTERNAL_SERVER_ERROR,
	[GrpcStatus.DEADLINE_EXCEEDED]: HttpStatus.INTERNAL_SERVER_ERROR,
};