Advanced Routing

Preview — 3 of 10 questions

You need every response from a handler to include Cache-Control: no-store. Which decorator sets a static response header without touching @Res()?

javascript

import { Controller, Get, Header } from '@nestjs/common';

@Controller('reports')
export class ReportsController {
  @Get()
  @Header('Cache-Control', 'no-store')
  generate(): { ok: boolean } {
    return { ok: true };
  }
}

A@SetHeader('Cache-Control', 'no-store')

B@Meta('Cache-Control', 'no-store')

C@ResponseHeader('Cache-Control', 'no-store')

D@Header('Cache-Control', 'no-store')

Which @Get() path matches any sub-path under /files, such as /files/a/b/c?

javascript

import { Controller, Get, Param } from '@nestjs/common';

@Controller()
export class FilesController {
  @Get('files/*')
  serve(@Param() params: Record<string, string>): string {
    return 'serving wildcard path';
  }
}

A@Get('files/:all')

B@Get('files/**')

C@Get('files/*')

D@Get('files/[...]')

You want a controller to handle requests only on admin.example.com. Which configuration achieves sub-domain routing?

javascript

import { Controller, Get, HostParam } from '@nestjs/common';

@Controller({ host: ':account.example.com' })
export class AccountController {
  @Get()
  index(@HostParam('account') account: string): string {
    return `tenant: ${account}`;
  }
}

A@Controller({ subdomain: 'admin' })

B@Controller('admin.example.com')

C@Host('admin.example.com') on the class

D@Controller({ host: 'admin.example.com' })

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