feat: return to latest page by default (#19)

src/app/page.tsx

@@ -1,5 +1,11 @@
+import { cookies } from "next/headers"
 import { redirect } from "next/navigation"
 
-export default function Home() {
+export default async function Home() {
+  const latestPage = (await cookies()).get('latest_page')
+  if (latestPage) {
+    return redirect(latestPage.value)
+  }
+
   return redirect("/alerts")
 }

src/app/template.tsx

@@ -0,0 +1,17 @@
+'use client'
+
+import { useEffect } from "react"
+import { usePathname, useSearchParams } from 'next/navigation'
+
+export default function Template({ children }: { children: React.ReactNode }) {
+  const pathname = usePathname()
+  const searchParams = useSearchParams()
+
+  // Save the latest seen page to a cookie
+  useEffect(() => {
+    const path = `${pathname}${searchParams.toString() !== '' ? '?' + searchParams : ''}`
+    document.cookie = `latest_page=${path}; path=/;`
+  }, [pathname, searchParams])
+
+  return children
+}