user.resolver.ts

import { Args, Mutation, Query, Resolver } from '@nestjs/graphql';

import { CreateUserArgs } from './dtos/create-user.args';
import { User } from './user.entity';
import { UserService } from './user.service';

@Resolver(of => User)
export class UserResolver {
  constructor(private userService: UserService) {}

  @Mutation(returns => User)
  userCreate(@Args() user: CreateUserArgs) {
    return this.userService.create(user);
  }

  @Query(returns => User)
  userById(@Args('id') id: number) {
    return this.userService.findById(id);
  }
}