기존 코드 google, kakao, naver 반복되는 코드 발생! import { Controller, Get, Req, Res, UseGuards } from '@nestjs/common'; import { AuthGuard } from '@nestjs/passport'; import { Request, Response } from 'express'; import { User } from '../users/entities/user.entity'; import { UserService } from '../users/user.service'; import { AuthService } from './auth.service'; interface IOAuthUser { user: Pick< User, | '..