nhb-express/templates/drizzle/src/app.ts

Minimal Express + TypeScript scaffolder with modular structure and flexible stack choices.

import { corsOptions } from '@/configs/cors';
import { catchAllErrors, handleRouteNotFound } from '@/middlewares/errorHandlers';
import { requestLogger } from '@/middlewares/requestLogger';
import router from '@/routes';
import sendResponse from '@/utilities/sendResponse';
import cookieParser from 'cookie-parser';
import cors from 'cors';
import express from 'express';
import path from 'path';
import { cwd } from 'process';
import serveFavicon from 'serve-favicon';

// * Create an Express App
const app = express();

// ! Serve static files from the 'public' directory
app.use(express.static(path.join(cwd(), 'public')));

// * Show favicon in Client application(s) if it is supported
app.use(serveFavicon(path.join(cwd(), 'public', 'favicon.png')));

app.set('trust proxy', true);

// * Respect CORS Policy
app.use(cors(corsOptions));

// * Use Cookie Parser
app.use(cookieParser());
// * Use JSON Parser
app.use(express.json());
// * Use custom logger
app.use(requestLogger);

// * Root/Test Route
app.get(['/', '/api'], (_req, res) => {
	sendResponse(res, 'N/A', 'OK', null, 'NHB Server is Running! 🏃');
});

// * Application Routes
app.use('/api', router);

// * Error handler for 404 or invalid request
app.use(handleRouteNotFound);

// * Global error handler to catch and send error responses
app.use(catchAllErrors);

export default app;