Setup app

apps/web/src/server/auth.ts

@@ -0,0 +1,68 @@
+import { PrismaAdapter } from "@auth/prisma-adapter";
+import {
+  getServerSession,
+  type DefaultSession,
+  type NextAuthOptions,
+} from "next-auth";
+import { type Adapter } from "next-auth/adapters";
+import DiscordProvider from "next-auth/providers/discord";
+
+import { env } from "~/env";
+import { db } from "~/server/db";
+
+/**
+ * Module augmentation for `next-auth` types. Allows us to add custom properties to the `session`
+ * object and keep type safety.
+ *
+ * @see https://next-auth.js.org/getting-started/typescript#module-augmentation
+ */
+declare module "next-auth" {
+  interface Session extends DefaultSession {
+    user: {
+      id: string;
+      // ...other properties
+      // role: UserRole;
+    } & DefaultSession["user"];
+  }
+
+  // interface User {
+  //   // ...other properties
+  //   // role: UserRole;
+  // }
+}
+
+/**
+ * Options for NextAuth.js used to configure adapters, providers, callbacks, etc.
+ *
+ * @see https://next-auth.js.org/configuration/options
+ */
+export const authOptions: NextAuthOptions = {
+  callbacks: {
+    session: ({ session, user }) => ({
+      ...session,
+      user: {
+        ...session.user,
+        id: user.id,
+      },
+    }),
+  },
+  adapter: PrismaAdapter(db) as Adapter,
+  providers: [
+    /**
+     * ...add more providers here.
+     *
+     * Most other providers require a bit more work than the Discord provider. For example, the
+     * GitHub provider requires you to add the `refresh_token_expires_in` field to the Account
+     * model. Refer to the NextAuth.js docs for the provider you want to use. Example:
+     *
+     * @see https://next-auth.js.org/providers/github
+     */
+  ],
+};
+
+/**
+ * Wrapper for `getServerSession` so that you don't need to import the `authOptions` in every file.
+ *
+ * @see https://next-auth.js.org/configuration/nextjs
+ */
+export const getServerAuthSession = () => getServerSession(authOptions);