nest_role_based_guard_implementation.ts

// guard implementation in Controller
import { Controller, Get, UseGuards } from '@nestjs/common';
import { RoleGuard } from './role.guard';

@Controller('admin')
export class AdminController {
  @Get()
  @UseGuards(new RoleGuard('admin')) // Apply the guard for 'admin' role
  findAll() {
    return { message: 'Admin dashboard' };
  }
}