Add support for generating only NestJS clients

[MaksymShuldiner]

Is there any possibility to generate only client-side code for the nest js app?

Instead of that :

/* eslint-disable */
import { Metadata } from "@grpc/grpc-js";
import { GrpcMethod, GrpcStreamMethod } from "@nestjs/microservices";
import { Observable } from "rxjs";

export const protobufPackage = "user_profile";

export interface createUserProfileRequest {
  name: string;
}

export interface createUserProfileResponse {
  id: number;
}

export const USER_PROFILE_PACKAGE_NAME = "user_profile";

export interface UserProfileClient {
  createUserProfile(request: createUserProfileRequest, metadata?: Metadata): Observable<createUserProfileResponse>;
}

export interface UserProfileController {
  createUserProfile(
    request: createUserProfileRequest,
    metadata?: Metadata,
  ): Promise<createUserProfileResponse> | Observable<createUserProfileResponse> | createUserProfileResponse;
}

export function UserProfileControllerMethods() {
  return function (constructor: Function) {
    const grpcMethods: string[] = ["createUserProfile"];
    for (const method of grpcMethods) {
      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
      GrpcMethod("UserProfile", method)(constructor.prototype[method], method, descriptor);
    }
    const grpcStreamMethods: string[] = [];
    for (const method of grpcStreamMethods) {
      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
      GrpcStreamMethod("UserProfile", method)(constructor.prototype[method], method, descriptor);
    }
  };
}

export const USER_PROFILE_SERVICE_NAME = "UserProfile";

I would like to see something like that:

/* eslint-disable */
import { Metadata } from "@grpc/grpc-js";
import { GrpcMethod, GrpcStreamMethod } from "@nestjs/microservices";
import { Observable } from "rxjs";

export const protobufPackage = "user_profile";

export interface createUserProfileRequest {
  name: string;
}

export interface createUserProfileResponse {
  id: number;
}

export const USER_PROFILE_PACKAGE_NAME = "user_profile";

export interface UserProfileClient {
  createUserProfile(request: createUserProfileRequest, metadata?: Metadata): Observable<createUserProfileResponse>;
}

export const USER_PROFILE_SERVICE_NAME = "UserProfile";

I managed to reach that by disabling nest-js = true and generation of client Impl and encoding/decoding methods, but it does not generate package and service names

[stephenh]

Hi @MaksymShuldiner , looks that is not currently possible... If you'd like to flip our nestJs=true flag into a nestJs=true|clients|services that sounds like a good change, it would be around in here:

#951

If you could submit a PR, that'd be great! Thanks!

[stephenh]

Dup of #527