Next.js: request parameter reference

export default function Page({
  params,
}) {
  const { foo, bar } = params;
}

import { useParams } from "next/navigation"
export default function Page() {
  const params = useParams()
  const { foo, bar } = params;
}

export async function GET(
  request: Request,
  { params }
) {
  const { foo, bar } = params;
}

cannot access

export default function Page({
  searchParams
}) {
  const { foo } = searchParams;
}

import { useSearchParams } from "next/navigation";
export default function Page() {
  const params = useSearchParams()
  const { foo, bar } = params;
}

export async function GET(
  request: Request
) {
  const searchParams = request.nextUrl.searchParams;
  const foo = searchParams.get("foo");
}

cannot access

import { headers, cookies } from "next/headers";
export default function Page() {
  headers().get("x");
  cookies().get("x");
}

N/a

import { headers, cookies } from "next/headers";
export async function GET() {
  headers().get("x");
  cookies().get("x");
}

import { headers, cookies } from "next/headers";
export async function myServerAction() {
  "use server";
  headers().get("x");
  cookies().get("x");
}

import { redirect } from "next/navigation";
export default function Page() {
  redirect("foo");
}

import { redirect } from "next/navigation";
export default function Page() {
  redirect("foo");
}

import { redirect } from "next/navigation";
export async function GET() {
  redirect("foo");
}

import { redirect } from "next/navigation";
export async function myServerAction() {
  "use server";
  redirect("foo");
}

cannot access (but you can use x-forwarded-for header)

N/a

export async function GET(
  request: Request
) {
  const ip = request.ip;
}

cannot access (but you can use x-forwarded-for header)