From b86ffa5dd55263e462ba00c8fe9801eea78d5e94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bal=C3=A1zs=20Orb=C3=A1n?= <info@balazsorban.com>
Date: Sat, 5 Dec 2020 10:34:32 +0100
Subject: [PATCH] feat: simplify NextAuth instantiation (#867)

---
 README.md                                   |  6 ++----
 src/server/index.js                         | 10 +++++++++-
 www/docs/getting-started/example.md         |  6 ++----
 www/docs/schemas/adapters.md                |  6 ++----
 www/docs/tutorials/ldap-auth.md             |  6 ++----
 www/docs/tutorials/typeorm-custom-models.md |  6 ++----
 www/src/pages/index.js                      |  6 ++----
 7 files changed, 21 insertions(+), 25 deletions(-)

diff --git a/README.md b/README.md
index 5cad3a447e..8f883f3348 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ Alternatively you can raise a PR directly with your fixes on [**DefinitelyTyped*
 import NextAuth from 'next-auth'
 import Providers from 'next-auth/providers'
 
-const options = {
+export default NextAuth({
   providers: [
     // OAuth authentication providers
     Providers.Apple({
@@ -87,9 +87,7 @@ const options = {
   ],
   // SQL or MongoDB database (or leave empty)
   database: process.env.DATABASE_URL
-}
-
-export default (req, res) => NextAuth(req, res, options)
+})
 ```
 
 ### Add React Component
diff --git a/src/server/index.js b/src/server/index.js
index 8c8cbb29b5..2b47a2e635 100644
--- a/src/server/index.js
+++ b/src/server/index.js
@@ -21,7 +21,7 @@ if (!process.env.NEXTAUTH_URL) {
   logger.warn('NEXTAUTH_URL', 'NEXTAUTH_URL environment variable not set')
 }
 
-export default async (req, res, userSuppliedOptions) => {
+async function NextAuth (req, res, userSuppliedOptions) {
   // To the best of my knowledge, we need to return a promise here
   // to avoid early termination of calls to the serverless function
   // (and then return that promise when we are done) - eslint
@@ -313,3 +313,11 @@ export default async (req, res, userSuppliedOptions) => {
     }
   })
 }
+
+export default async (...args) => {
+  if (args.length === 1) {
+    return (req, res) => NextAuth(req, res, args[0])
+  }
+
+  return NextAuth(...args)
+}
diff --git a/www/docs/getting-started/example.md b/www/docs/getting-started/example.md
index e223800856..8b7eb32516 100644
--- a/www/docs/getting-started/example.md
+++ b/www/docs/getting-started/example.md
@@ -21,7 +21,7 @@ To add NextAuth.js to a project create a file called `[...nextauth].js` in `page
 import NextAuth from 'next-auth'
 import Providers from 'next-auth/providers'
 
-const options = {
+export default NextAuth({
   // Configure one or more authentication providers
   providers: [
     Providers.GitHub({
@@ -33,9 +33,7 @@ const options = {
 
   // A database is optional, but required to persist accounts in a database
   database: process.env.DATABASE_URL,
-}
-
-export default (req, res) => NextAuth(req, res, options)
+})
 ```
 
 All requests to `/api/auth/*` (signin, callback, signout, etc) will automatically be handed by NextAuth.js.
diff --git a/www/docs/schemas/adapters.md b/www/docs/schemas/adapters.md
index 8547de14db..f08bb14e6b 100644
--- a/www/docs/schemas/adapters.md
+++ b/www/docs/schemas/adapters.md
@@ -74,7 +74,7 @@ import { PrismaClient } from '@prisma/client'
 
 const prisma = new PrismaClient()
 
-const options = {
+export default NextAuth({
   providers: [
     Providers.Google({
       clientId: process.env.GOOGLE_CLIENT_ID,
@@ -82,9 +82,7 @@ const options = {
     })
   ],
   adapter: Adapters.Prisma.Adapter({ prisma }),
-}
-
-export default (req, res) => NextAuth(req, res, options)
+})
 ```
 
 :::tip
diff --git a/www/docs/tutorials/ldap-auth.md b/www/docs/tutorials/ldap-auth.md
index a5c19b9a49..12a273e772 100644
--- a/www/docs/tutorials/ldap-auth.md
+++ b/www/docs/tutorials/ldap-auth.md
@@ -14,7 +14,7 @@ const ldap = require("ldapjs");
 import NextAuth from "next-auth";
 import Providers from "next-auth/providers";
 
-const options = {
+export default NextAuth({
   providers: [
     Providers.Credentials({
       name: "LDAP",
@@ -64,9 +64,7 @@ const options = {
     secret: process.env.NEXTAUTH_SECRET,
     encryption: true, // Very important to encrypt the JWT, otherwise you're leaking username+password into the browser
   },
-};
-
-export default (req, res) => NextAuth(req, res, options);
+});
 ```
 
 The idea is that once one is authenticated with the LDAP server, one can pass through both the username/DN and password to the JWT stored in the browser. 
diff --git a/www/docs/tutorials/typeorm-custom-models.md b/www/docs/tutorials/typeorm-custom-models.md
index dcfa8e46c5..1fc9f1e218 100644
--- a/www/docs/tutorials/typeorm-custom-models.md
+++ b/www/docs/tutorials/typeorm-custom-models.md
@@ -62,7 +62,7 @@ import Adapters from "next-auth/adapters"
 
 import Models from "../../../models"
 
-const options = {
+export default NextAuth({
   providers: [
     // Your providers
   ],
@@ -77,9 +77,7 @@ const options = {
       },
     }
   ),
-}
-
-export default (req, res) => NextAuth(req, res, options)
+})
 ```
 
 
diff --git a/www/src/pages/index.js b/www/src/pages/index.js
index 565df70f2f..5ef1f9f64d 100644
--- a/www/src/pages/index.js
+++ b/www/src/pages/index.js
@@ -219,7 +219,7 @@ const serverlessFunctionCode = `
 import NextAuth from 'next-auth'
 import Providers from 'next-auth/providers'
 
-const options = {
+export default NextAuth({
   providers: [
     // OAuth authentication providers...
     Providers.Apple({
@@ -242,9 +242,7 @@ const options = {
   ],
   // Optional SQL or MongoDB database to persist users
   database: process.env.DATABASE_URL
-}
-
-export default (req, res) => NextAuth(req, res, options)
+})
 `.trim()
 
 export default Home