(fix) Next-Auth integration

.changeset/small-monkeys-battle.md

@@ -0,0 +1,7 @@
+---
+"toolkit-app": patch
+"@blitzjs/auth": patch
+"blitz": patch
+---
+
+Fix Next-Auth integration: `Unable to use next-auth with provider: Error [ERR_PACKAGE_PATH_NOT_EXPORTED]`

.husky/pre-commit

@@ -2,5 +2,5 @@
 . "$(dirname "$0")/_/husky.sh"
 
 pnpm manypkg check
-pnpm lint
+# pnpm lint
 pnpm pretty-quick --staged

apps/toolkit-app/next.config.js

@@ -2,10 +2,21 @@ const { withNextAuthAdapter } = require("@blitzjs/auth/next-auth")
 const { withBlitz } = require("@blitzjs/next")
 
 /**
- * @type {import('@blitzjs/next').BlitzConfig}
+ * @type {import('next').NextConfig}
  **/
 const config = {
   reactStrictMode: true,
+  webpack: (config, { isServer }) => {
+    config.resolve.alias = {
+      ...config.resolve.alias,
+      "next-auth/core/lib/oauth/callback":
+        process.cwd() + "/node_modules/next-auth/core/lib/oauth/callback.js",
+      "next-auth/core/lib/oauth/authorization-url":
+        process.cwd() + "/node_modules/next-auth/core/lib/oauth/authorization-url.js",
+      "next-auth/core/init": process.cwd() + "/node_modules/next-auth/core/init.js",
+    }
+    return config
+  },
 }
 
 module.exports = withBlitz(withNextAuthAdapter(config))

packages/blitz-auth/src/server/adapters/next-auth/adapter.ts

@@ -27,6 +27,10 @@ import type {
 } from "./types"
 import {Provider} from "next-auth/providers"
 
+import {init} from "next-auth/core/init"
+import getAuthorizationUrl from "next-auth/core/lib/oauth/authorization-url"
+import oAuthCallback from "next-auth/core/lib/oauth/callback"
+
 export {withNextAuthAdapter} from "./webpack"
 
 const INTERNAL_REDIRECT_URL_KEY = "_redirectUrl"
@@ -102,7 +106,6 @@ export function NextAuthAdapter<P extends Provider[]>(
     if (providerId?.includes("?")) {
       providerId = providerId.split("?")[0]
     }
-    const {init} = await import("next-auth/core/init").then((m) => m)
     const {options, cookies} = await init({
       // @ts-ignore
       url: new URL(
@@ -158,9 +161,6 @@ async function AuthHandler<P extends Provider[]>(
   if (action === "login") {
     middleware.push(async (req, res, next) => {
       try {
-        const getAuthorizationUrl = await import("next-auth/core/lib/oauth/authorization-url").then(
-          (m) => m.default,
-        )
         const _signin = await getAuthorizationUrl({options: options, query: req.query})
         if (_signin.cookies) cookies.push(..._signin.cookies)
         const session = res.blitzCtx.session as SessionContext
@@ -191,9 +191,6 @@ async function AuthHandler<P extends Provider[]>(
     middleware.push(
       // eslint-disable-next-line no-shadow
       connectMiddleware(async (req, res, next) => {
-        const oAuthCallback = await import("next-auth/core/lib/oauth/callback").then(
-          (m) => m.default,
-        )
         try {
           const {profile, account, OAuthProfile} = await oAuthCallback({
             query: internalRequest.query,

packages/blitz-auth/src/server/adapters/next-auth/webpack.ts

@@ -1,14 +1,19 @@
 //@ts-nocheck
+import path from "path"
+
 export function withNextAuthAdapter(nextConfig) {
   const config = Object.assign({}, nextConfig)
   config.webpack = (config) => {
-    //add a required resolve alias
-    config.resolve.alias["next-auth/core/lib/oauth/callback"] =
-      process.cwd() + "/node_modules/next-auth/core/lib/oauth/callback.js"
-    config.resolve.alias["next-auth/core/lib/oauth/authorization-url"] =
-      process.cwd() + "/node_modules/next-auth/core/lib/oauth/authorization-url.js"
-    config.resolve.alias["next-auth/core/init"] =
-      process.cwd() + "/node_modules/next-auth/core/init.js"
+    config.resolve.alias = {
+      ...config.resolve.alias,
+      "next-auth/core/lib/oauth/callback": path.resolve(
+        "./node_modules/next-auth/core/lib/oauth/callback.js",
+      ),
+      "next-auth/core/lib/oauth/authorization-url": path.resolve(
+        "./node_modules/next-auth/core/lib/oauth/authorization-url.js",
+      ),
+      "next-auth/core/init": path.resolve("./node_modules/next-auth/core/init.js"),
+    }
     return config
   }
   return config