feat: support fastify adaptor

package.json

@@ -5,7 +5,8 @@
   "exports": {
     ".": {
       "import": "./build/index.js",
-      "types": "./types/index.d.ts"
+      "types": "./types/index.d.ts",
+      "require": "./build/index.js"
     }
   },
   "private": false,
@@ -26,22 +27,26 @@
     "@nestjs/common": ">=9.0.5",
     "@nestjs/core": ">=9.0.5",
     "adminjs": "^7.4.0",
+    "reflect-metadata": "^0.1.13",
     "rxjs": "^7.1.0"
   },
   "devDependencies": {
     "@adminjs/express": "^6.1.0",
+    "@adminjs/fastify": "^4.2.0",
     "@commitlint/cli": "^17.4.4",
     "@commitlint/config-conventional": "^17.4.4",
+    "@fastify/session": "^11.1.1",
     "@nestjs/common": ">=9.3.10",
     "@nestjs/core": ">=9.3.10",
     "@semantic-release/git": "^10.0.1",
+    "@types/express-session": "^1.17.7",
     "@typescript-eslint/eslint-plugin": "^5.56.0",
     "@typescript-eslint/parser": "^5.56.0",
     "adminjs": "^7.4.0",
     "eslint": "^8.36.0",
     "eslint-config-airbnb": "^19.0.4",
     "eslint-plugin-import": "^2.27.5",
-    "eslint-plugin-jsdoc": "^40.1.0",
+    "eslint-plugin-jsdoc": "^62.2.0",
     "eslint-plugin-jsx-a11y": "^6.7.1",
     "eslint-plugin-prefer-arrow": "^1.2.3",
     "eslint-plugin-react": "^7.32.2",
@@ -50,10 +55,7 @@
     "rxjs": "^7.8.0",
     "semantic-release": "^20.1.3",
     "semantic-release-slack-bot": "^4.0.0",
-    "typescript": "^4.9.5"
+    "typescript": "^5.9.3"
   },
-  "dependencies": {
-    "@types/express-session": "^1.17.7",
-    "reflect-metadata": "^0.1.13"
-  }
+  "dependencies": {}
 }

src/interfaces/admin-module-options.interface.ts

@@ -1,5 +1,6 @@
 import type { AdminJSOptions, BaseAuthProvider, CurrentAdmin } from 'adminjs';
 import { SessionOptions } from 'express-session';
+import FastifySessionPlugin from '@fastify/session';
 
 import { ExpressFormidableOptions } from './express-formidable-options.interface.js';
 
@@ -35,7 +36,7 @@ export type AdminModuleOptions = {
    * Here you might want to change the store from the default memory store to
    * something more reliable (i.e. database).
    */
-  sessionOptions?: SessionOptions,
+  sessionOptions?: SessionOptions | FastifySessionPlugin.FastifySessionOptions,
   /**
    * Flag indicating if adminjs should be initialized. Helpful in cases like turning off admin for tests.
    * Default is true.

src/loaders/fastify.loader.ts

@@ -0,0 +1,54 @@
+/* eslint-disable no-underscore-dangle */
+import { Injectable } from '@nestjs/common';
+import { loadPackage } from '@nestjs/common/utils/load-package.util.js';
+import { AbstractHttpAdapter } from '@nestjs/core';
+import type AdminJS from 'adminjs';
+import FastifySessionPlugin from '@fastify/session';
+
+import { AdminModuleOptions } from '../interfaces/admin-module-options.interface.js';
+
+import { AbstractLoader } from './abstract.loader.js';
+
+@Injectable()
+export class FastifyLoader extends AbstractLoader {
+  public async register(
+    admin: AdminJS,
+    httpAdapter: AbstractHttpAdapter,
+    options: AdminModuleOptions,
+  ) {
+    const app = httpAdapter.getInstance();
+
+    loadPackage('fastify', '@adminjs/nestjs');
+    const adminJsFastify = await import('@adminjs/fastify');
+
+    await app.register(async (adminApp) => {
+      if (adminApp.hasContentTypeParser('application/x-www-form-urlencoded')) {
+        adminApp.removeContentTypeParser('application/x-www-form-urlencoded');
+      }
+
+      if (options.auth) {
+        const FastifySession = loadPackage('@fastify/session', '@adminjs/nestjs');
+        const Connect = loadPackage('connect-pg-simple', '@adminjs/nestjs');
+
+        const ConnectSession = Connect(FastifySession as any);
+        const sessionStore = new ConnectSession(options.sessionOptions);
+
+        // Pass 'adminApp' (the child), not 'app' (the global instance)
+        await adminJsFastify.default.buildAuthenticatedRouter(
+          admin,
+          options.auth,
+          adminApp,
+                  {
+                    store: sessionStore,
+                    ...options.sessionOptions,
+                  } as FastifySessionPlugin.FastifySessionOptions,
+        );
+      } else {
+        await adminJsFastify.default.buildRouter(
+          admin,
+          adminApp,
+        );
+      }
+    });
+  }
+}

src/serve-static.provider.ts

@@ -4,6 +4,7 @@ import { HttpAdapterHost } from '@nestjs/core';
 import { AbstractLoader } from './loaders/abstract.loader.js';
 import { ExpressLoader } from './loaders/express.loader.js';
 import { NoopLoader } from './loaders/noop.loader.js';
+import { FastifyLoader } from './loaders/fastify.loader.js';
 
 export const serveStaticProvider: Provider = {
   provide: AbstractLoader,
@@ -18,7 +19,7 @@ export const serveStaticProvider: Provider = {
       httpAdapter.constructor.name === 'FastifyAdapter'
     ) {
       // Not handled right now
-      return new NoopLoader();
+      return new FastifyLoader();
     }
 
     return new ExpressLoader();