Add javascript/express and typescript/next examples

Author: gionatamettifogo

examples/with-javascript-express/.env.example

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+# connection string for chinook.db on sqlitecloud.io
+CHINOOK_URL="sqlitecloud://user:password@host.sqlite.cloud:8860/chinook.db"

examples/with-javascript-express/.gitignore

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+.env
+node_modules

examples/with-javascript-express/README.md

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+## Getting Started
+
+First, run the development server:
+
+```bash
+npm run start
+```
+
+Open [http://localhost:3000/api/hello](http://localhost:3000) with your browser to see the result.
+
+You can start editing the API route by modifying `routes/index.js`.
+
+## Learn More
+
+To learn more about Next.js, take a look at the following resources:
+
+- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
+- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.

examples/with-javascript-express/app.js

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+var createError = require('http-errors')
+var express = require('express')
+var path = require('path')
+
+var tracksRouter = require('./routes/index')
+
+var app = express()
+
+app.use(express.json())
+app.use(express.urlencoded({ extended: false }))
+
+app.use('/', tracksRouter)
+app.use('/api/hello', tracksRouter)
+
+// catch 404 and forward to error handler
+app.use(function (req, res, next) {
+  next(createError(404))
+})
+
+// error handler
+app.use(function (err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message
+  res.locals.error = req.app.get('env') === 'development' ? err : {}
+
+  // render the error page
+  res.status(err.status || 500)
+  res.render('error')
+})
+
+module.exports = app

examples/with-javascript-express/bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('with-javascript-express:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}