TypeOrm dependency injection about nestjs-console HOT 2 CLOSED

import { Injectable } from '@nestjs/common';
import { ConsoleService } from 'nestjs-console';
import { User } from '@app/model/entity/user.entity';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';

@Injectable()
export class CliService {
  constructor(
    @InjectRepository(User)
    private readonly userRepository: Repository<User>,
    private readonly consoleService: ConsoleService,
  ) {
    // get the root cli
    const cli = this.consoleService.getCli();

    // just for debugging. REMOVE BEFORE PUSHING
    this.consoleService.createCommand(
      {
        command: 'getAUser',
      },
      this.getAUser, // attache the instance method this way.
      cli,
    );
  }

 // cause method is declared using arrow function, it will be automatically binded.
 getAUser = async (): Promise<User> {
    let user: User;
    try {
      user = await this.userRepository.findOne({
        where: {
          loginEmail: '[email protected]',
        },
      });
    } catch (error) {
      throw new Error('ERROR ATTEMPTING TO GET USER. ' + error);
    }
    return Promise.resolve(user);
  }
}