stanza/registry/modules/auth-better-auth/module.ts

import { defineModule } from "@stanza/registry";

// Shared env declaration — every adapter wants the same two vars.
const env = [
  {
    name: "BETTER_AUTH_SECRET",
    example: "change-me-in-prod",
    required: true,
    description: "Better Auth signing secret.",
  },
  {
    name: "BETTER_AUTH_URL",
    example: "http://localhost:3000",
    required: true,
    description: "Public URL of the app (used server-side for callbacks and cookies).",
  },
];

const deps = { "better-auth": "^1.6.11" };

export default defineModule({
  id: "better-auth",
  slot: "auth",
  label: "Better Auth",
  description: "Framework-agnostic, headless TypeScript auth library.",
  version: "0.1.0",
  peers: {
    orm: ["drizzle", "prisma"],
    framework: ["next", "tanstack-start"],
    db: ["postgres", "sqlite"],
  },
  homepage: "https://better-auth.com",
  adapters: [
    {
      key: "next+drizzle+postgres",
      match: { framework: "next", orm: "drizzle", db: "postgres" },
      dependencies: deps,
      env,
      templates: [
        { src: "next/auth.drizzle.ts", dest: "src/lib/auth.ts", scope: "app" },
        { src: "next/auth-client.ts", dest: "src/lib/auth-client.ts", scope: "app" },
        { src: "next/route.ts", dest: "app/api/auth/[...all]/route.ts", scope: "app" },
        {
          src: "shared/auth-schema.drizzle-postgres.ts",
          dest: "src/db/auth-schema.ts",
          scope: "app",
        },
      ],
    },
    {
      key: "next+drizzle+sqlite",
      match: { framework: "next", orm: "drizzle", db: "sqlite" },
      dependencies: deps,
      env,
      templates: [
        { src: "next/auth.drizzle.ts", dest: "src/lib/auth.ts", scope: "app" },
        { src: "next/auth-client.ts", dest: "src/lib/auth-client.ts", scope: "app" },
        { src: "next/route.ts", dest: "app/api/auth/[...all]/route.ts", scope: "app" },
        {
          src: "shared/auth-schema.drizzle-sqlite.ts",
          dest: "src/db/auth-schema.ts",
          scope: "app",
        },
      ],
    },
    {
      key: "next+prisma",
      match: { framework: "next", orm: "prisma" },
      dependencies: deps,
      env,
      templates: [
        { src: "next/auth.prisma.ts", dest: "src/lib/auth.ts", scope: "app" },
        { src: "next/auth-client.ts", dest: "src/lib/auth-client.ts", scope: "app" },
        { src: "next/route.ts", dest: "app/api/auth/[...all]/route.ts", scope: "app" },
      ],
    },
    {
      key: "tanstack-start+drizzle+postgres",
      match: { framework: "tanstack-start", orm: "drizzle", db: "postgres" },
      dependencies: deps,
      env,
      templates: [
        { src: "tanstack/auth.drizzle.ts", dest: "src/lib/auth.ts", scope: "app" },
        { src: "tanstack/auth-client.ts", dest: "src/lib/auth-client.ts", scope: "app" },
        { src: "tanstack/api.ts", dest: "src/routes/api/auth/$.ts", scope: "app" },
        {
          src: "shared/auth-schema.drizzle-postgres.ts",
          dest: "src/db/auth-schema.ts",
          scope: "app",
        },
      ],
    },
    {
      key: "tanstack-start+drizzle+sqlite",
      match: { framework: "tanstack-start", orm: "drizzle", db: "sqlite" },
      dependencies: deps,
      env,
      templates: [
        { src: "tanstack/auth.drizzle.ts", dest: "src/lib/auth.ts", scope: "app" },
        { src: "tanstack/auth-client.ts", dest: "src/lib/auth-client.ts", scope: "app" },
        { src: "tanstack/api.ts", dest: "src/routes/api/auth/$.ts", scope: "app" },
        {
          src: "shared/auth-schema.drizzle-sqlite.ts",
          dest: "src/db/auth-schema.ts",
          scope: "app",
        },
      ],
    },
    {
      key: "tanstack-start+prisma",
      match: { framework: "tanstack-start", orm: "prisma" },
      dependencies: deps,
      env,
      templates: [
        { src: "tanstack/auth.prisma.ts", dest: "src/lib/auth.ts", scope: "app" },
        { src: "tanstack/auth-client.ts", dest: "src/lib/auth-client.ts", scope: "app" },
        { src: "tanstack/api.ts", dest: "src/routes/api/auth/$.ts", scope: "app" },
      ],
    },
  ],
});