| import { NextResponse } from 'next/server' |
|
|
| import { headers as nextHeaders, draftMode } from 'next/headers' |
|
|
| |
| |
| |
| export async function middleware(request) { |
| const headersFromRequest = new Headers(request.headers) |
| |
| const headersFromNext = await nextHeaders() |
| headersFromRequest.set('x-from-middleware', 'hello-from-middleware') |
|
|
| |
| if ( |
| headersFromRequest.get('x-from-client') && |
| headersFromNext.get('x-from-client') !== |
| headersFromRequest.get('x-from-client') |
| ) { |
| throw new Error('Expected headers from client to match') |
| } |
|
|
| if (request.nextUrl.searchParams.get('draft')) { |
| ;(await draftMode()).enable() |
| } |
|
|
| const removeHeaders = request.nextUrl.searchParams.get('remove-headers') |
| if (removeHeaders) { |
| for (const key of removeHeaders.split(',')) { |
| headersFromRequest.delete(key) |
| } |
| } |
|
|
| const updateHeader = request.nextUrl.searchParams.get('update-headers') |
| if (updateHeader) { |
| for (const kv of updateHeader.split(',')) { |
| const [key, value] = kv.split('=') |
| headersFromRequest.set(key, value) |
| } |
| } |
|
|
| if (request.nextUrl.pathname.includes('/rewrite-to-app')) { |
| request.nextUrl.pathname = '/headers' |
| return NextResponse.rewrite(request.nextUrl) |
| } |
|
|
| if (request.nextUrl.pathname === '/rsc-cookies') { |
| const res = NextResponse.next() |
| res.cookies.set('rsc-cookie-value-1', `${Math.random()}`) |
| res.cookies.set('rsc-cookie-value-2', `${Math.random()}`) |
|
|
| return res |
| } |
|
|
| if (request.nextUrl.pathname === '/rsc-cookies/cookie-options') { |
| const res = NextResponse.next() |
| res.cookies.set('rsc-secure-cookie', `${Math.random()}`, { |
| secure: true, |
| httpOnly: true, |
| }) |
|
|
| return res |
| } |
|
|
| if (request.nextUrl.pathname === '/rsc-cookies-delete') { |
| const res = NextResponse.next() |
| res.cookies.delete('rsc-cookie-value-1') |
|
|
| return res |
| } |
|
|
| if (request.nextUrl.pathname === '/preloads') { |
| const res = NextResponse.next({ |
| headers: { |
| link: '<https://example.com/page>; rel="alternate"; hreflang="en"', |
| }, |
| }) |
| return res |
| } |
|
|
| return NextResponse.next({ |
| request: { |
| headers: headersFromRequest, |
| }, |
| }) |
| } |
|
|
