Auth. Free. Open Source.

// server.ts
import express from "express"
import { ExpressAuth } from "@auth/express"
import GitHub from "@auth/express/providers/github"

const app = express()

app.use("/auth/*", ExpressAuth({ providers: [GitHub] }))

// auth.ts
import NextAuth from "next-auth"
import GitHub from "next-auth/providers/github"
export const { auth, handlers } = NextAuth({ providers: [GitHub] })

// middleware.ts
export { auth as middleware } from "@auth"

// app/api/auth/[...nextauth]/route.ts
import { handlers } from "@auth"
export const { GET, POST } = handlers

// src/routes/plugin@auth.ts
import { QwikAuth } from "@auth/qwik"
import GitHub from "@auth/qwik/providers/github"
export const { onRequest, useSession } = QwikAuth$(() => ({ providers: [GitHub] }))

// src/auth.ts
import { SvelteKitAuth } from "@auth/sveltekit"
import GitHub from '@auth/sveltekit/providers/github'

export const { handle } = SvelteKitAuth({
  providers: [GitHub],
})

// src/hooks.server.ts
export { handle } from "./auth"