هندلرهای مسیر

export const dynamic = 'force-dynamic' // defaults to auto
export async function GET(request: Request) {}

export async function GET() {
	const res = await fetch('https://data.mongodb-api.com/...', {
		headers: {
			'Content-Type': 'application/json',
			'API-Key': process.env.DATA_API_KEY,
		},
	})
	const data = await res.json()
 
	return Response.json({ data })
}

export async function GET(request: Request) {
	const { searchParams } = new URL(request.url)
	const id = searchParams.get('id')
	const res = await fetch(`https://data.mongodb-api.com/product/${id}`, {
		headers: {
			'Content-Type': 'application/json',
			'API-Key': process.env.DATA_API_KEY!,
		},
	})
	const product = await res.json()
 
	return Response.json({ product })
}

export async function POST() {
	const res = await fetch('https://data.mongodb-api.com/...', {
		method: 'POST',
		headers: {
			'Content-Type': 'application/json',
			'API-Key': process.env.DATA_API_KEY!,
		},
		body: JSON.stringify({ time: new Date().toISOString() }),
	})
 
	const data = await res.json()
 
	return Response.json(data)
}

export default function Page() {
	return <h1>Hello, Next.js!</h1>
}
 
// ❌ Conflict
// `app/route.js`
export async function POST(request) {}

export async function GET() {
	const res = await fetch('https://data.mongodb-api.com/...', {
		next: { revalidate: 60 }, // Revalidate every 60 seconds
	})
	const data = await res.json()
 
	return Response.json(data)
}

export const revalidate = 60

import { cookies } from 'next/headers'
 
export async function GET(request: Request) {
	const cookieStore = cookies()
	const token = cookieStore.get('token')
 
	return new Response('Hello, Next.js!', {
		status: 200,
		headers: { 'Set-Cookie': `token=${token.value}` },
	})
}

import { type NextRequest } from 'next/server'
 
export async function GET(request: NextRequest) {
	const token = request.cookies.get('token')
}

import { headers } from 'next/headers'
 
export async function GET(request: Request) {
	const headersList = headers()
	const referer = headersList.get('referer')
 
	return new Response('Hello, Next.js!', {
		status: 200,
		headers: { referer: referer },
	})
}

import { type NextRequest } from 'next/server'
 
export async function GET(request: NextRequest) {
	const requestHeaders = new Headers(request.headers)
}

import { redirect } from 'next/navigation'
 
export async function GET(request: Request) {
	redirect('https://nextjs.org/')
}

export async function GET(
	request: Request,
	{ params }: { params: { slug: string } }
) {
	const slug = params.slug // 'a', 'b', or 'c'
}

import { type NextRequest } from 'next/server'
 
export function GET(request: NextRequest) {
	const searchParams = request.nextUrl.searchParams
	const query = searchParams.get('query')
	// query is "hello" for /api/search?query=hello
}

import { openai } from '@ai-sdk/openai'
import { StreamingTextResponse, streamText } from 'ai'
 
export async function POST(req: Request) {
	const { messages } = await req.json()
	const result = await streamText({
		model: openai('gpt-4-turbo'),
		messages,
	})
 
	return new StreamingTextResponse(result.toAIStream())
}

// https://developer.mozilla.org/nextjs/Web/API/ReadableStream#convert_async_iterator_to_stream
function iteratorToStream(iterator: any) {
	return new ReadableStream({
		async pull(controller) {
			const { value, done } = await iterator.next()
 
			if (done) {
				controller.close()
			} else {
				controller.enqueue(value)
			}
		},
	})
}
 
function sleep(time: number) {
	return new Promise((resolve) => {
		setTimeout(resolve, time)
	})
}
 
const encoder = new TextEncoder()
 
async function* makeIterator() {
	yield encoder.encode('<p>One</p>')
	await sleep(200)
	yield encoder.encode('<p>Two</p>')
	await sleep(200)
	yield encoder.encode('<p>Three</p>')
}
 
export async function GET() {
	const iterator = makeIterator()
	const stream = iteratorToStream(iterator)
 
	return new Response(stream)
}

export async function POST(request: Request) {
	const res = await request.json()
	return Response.json({ res })
}

export async function POST(request: Request) {
	const formData = await request.formData()
	const name = formData.get('name')
	const email = formData.get('email')
	return Response.json({ name, email })
}

export const dynamic = 'force-dynamic' // defaults to auto
 
export async function GET(request: Request) {
	return new Response('Hello, Next.js!', {
		status: 200,
		headers: {
			'Access-Control-Allow-Origin': '*',
			'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
			'Access-Control-Allow-Headers': 'Content-Type, Authorization',
		},
	})
}

export async function POST(request: Request) {
	try {
		const text = await request.text()
		// Process the webhook payload
	} catch (error) {
		return new Response(`Webhook error: ${error.message}`, {
			status: 400,
		})
	}
 
	return new Response('Success!', {
		status: 200,
	})
}

export const dynamic = 'force-dynamic' // defaults to auto
 
export async function GET() {
	return new Response(
		`<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0">
 
<channel>
  <title>Next.js Documentation</title>
  <link>https://nextjs.org/docs</link>
  <description>The React Framework for the Web</description>
</channel>
 
</rss>`,
		{
			headers: {
				'Content-Type': 'text/xml',
			},
		}
	)
}

export const dynamic = 'auto'
export const dynamicParams = true
export const revalidate = false
export const fetchCache = 'auto'
export const runtime = 'nodejs'
export const preferredRegion = 'auto'