initial commit

.gitignore

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+*.swp
+*.xml~
+*.rb~
+*.css~
+*.js~
+tmp/
+log/
+.DS_Store
+

ch03/console/hello.js

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+#!/usr/bin/env node
+
+// fetch name from command argument, environment, or fallback
+const nameArg = capitalize(process.argv[2] || process.env.USER || process.env.USERNAME || 'world');
+
+// output message
+console.log(`Hello ${ nameArg }!`);
+
+// capitalize the first letter of all words
+function capitalize(str) {
+
+  return str
+    .trim()
+    .toLowerCase()
+    .split(' ')
+    .map(word => word.charAt(0).toUpperCase() + word.slice(1))
+    .join(' ');
+
+}

ch03/server/webhello.js

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+#!/usr/bin/env node
+
+const
+  port = (process.argv[2] || process.env.PORT || 3000),
+  http = require('http');
+
+http.createServer((req, res) => {
+
+  console.log(req.url);
+  const nameArg = capitalize( req.url.replace(/[^\w.,-]/g, ' ').replace(/\s+/g, ' ').trim() || 'world' );
+
+  res.statusCode = 200;
+  res.setHeader('Content-Type', 'text/html');
+  res.end(`<p>Hello ${ nameArg }!</p>`);
+
+}).listen(port);
+
+console.log(`Server running at http://localhost:${ port }/`);
+
+// capitalize the first letter of all words
+function capitalize(str) {
+
+  return str
+    .trim()
+    .toLowerCase()
+    .split(' ')
+    .map(word => word.charAt(0).toUpperCase() + word.slice(1))
+    .join(' ');
+
+}

ch04/.vscode/launch.json

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+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "name": "nodemon",
+      "program": "${workspaceFolder}/webhello.js",
+      "request": "launch",
+      "restart": true,
+      "runtimeExecutable": "nodemon",
+      "skipFiles": [
+        "<node_internals>/**"
+      ],
+      "type": "pwa-node"
+    }
+  ]
+}

ch04/webhello.js

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+#!/usr/bin/env node
+
+const
+  port = (process.argv[2] || process.env.PORT || 3000),
+  http = require('http');
+
+http.createServer((req, res) => {
+
+  // abort favicon.ico request
+  if (req.url.includes('favicon.ico')) {
+    res.statusCode = 404;
+    res.end('Not found');
+    return;
+  }
+
+  // handle other requests
+  const nameArg = capitalize( req.url.replace(/[^\w.,-]/g, ' ').replace(/\s+/g, ' ').trim() || 'world' );
+
+  res.statusCode = 200;
+  res.setHeader('Content-Type', 'text/html');
+  res.end(`<p>Hello ${ nameArg }!</p>`);
+
+}).listen(port);
+
+console.log(`Server running at http://localhost:${ port }/`);
+
+// capitalize the first letter of all words
+function capitalize(str) {
+
+  return str
+    .trim()
+    .toLowerCase()
+    .split(' ')
+    .map(word => word.charAt(0).toUpperCase() + word.slice(1))
+    .join(' ');
+
+}

ch05/express01/README.md

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+# Express Web Application Example
+
+To run this example, navigate to this directory in your terminal then install the Node.js dependencies with:
+
+```sh
+npm install
+```
+
+Run the application with:
+
+```sh
+npm start
+```
+
+Then open paths at <http://localhost:3000/> in your web browser.

ch05/express01/index.js

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+// Express.js application
+import express from 'express';
+
+// configuration
+const
+  cfg = {
+    port: process.env.PORT || 3000
+  };
+
+// Express initiation
+const app = express();
+
+// home page route
+app.get('/', (req, res) => {
+  res.send('Hello World!');
+});
+
+// another route
+app.get('/hello/', (req, res) => {
+  res.send('Hello again!');
+});
+
+// start server
+app.listen(cfg.port, () => {
+  console.log(`Example app listening at http://localhost:${ cfg.port }`);
+});

ch05/express01/package.json

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+{
+  "name": "express",
+  "version": "1.0.0",
+  "description": "Example Express.js app",
+  "type": "module",
+  "main": "index.js",
+  "scripts": {
+    "start": "nodemon index.js"
+  },
+  "author": "Craig Buckler",
+  "license": "MIT",
+  "dependencies": {
+    "express": "^4.17.1"
+  }
+}

ch05/express02/README.md

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+# Express Web Application Example
+
+To run this example, navigate to this directory in your terminal then install the Node.js dependencies with:
+
+```sh
+npm install
+```
+
+Run the application with:
+
+```sh
+npm start
+```
+
+Then open paths at <http://localhost:3000/> in your web browser.

ch05/express02/index.js

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+// Express.js application
+import express from 'express';
+import compression from 'compression';
+
+import { fileURLToPath } from 'url';
+import { dirname, sep } from 'path';
+
+// configuration
+const
+  __dirname = dirname(fileURLToPath( import.meta.url )) + sep,
+  cfg = {
+    port: process.env.PORT || 3000,
+    dir: {
+      root:   __dirname,
+      static: __dirname + 'static' + sep
+    }
+  };
+
+console.dir(cfg, { depth: null, color: true });
+
+// Express initiation
+const app = express();
+
+// do not identify Express
+app.disable('x-powered-by');
+
+// HTTP compression
+app.use( compression() );
+
+// log every request to the terminal
+app.use((req, res, next) => {
+  console.log(req.url);
+  next();
+});
+
+// home page route
+app.get('/', (req, res) => {
+  res.send('Hello World!');
+});
+
+// another route
+app.get('/hello/', (req, res) => {
+  res.send('Hello again!');
+});
+
+// serve static assets
+app.use(express.static( cfg.dir.static ));
+
+// 404 errors
+app.use((req, res) => {
+  res.status(404).send('Not found');
+});
+
+// start server
+app.listen(cfg.port, () => {
+  console.log(`Example app listening at http://localhost:${ cfg.port }`);
+});
+
+// export defaults
+export { cfg, app };

ch05/express02/package.json

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+{
+  "name": "express",
+  "version": "1.0.0",
+  "description": "Example Express.js app",
+  "type": "module",
+  "main": "index.js",
+  "scripts": {
+    "start": "nodemon index.js"
+  },
+  "author": "Craig Buckler",
+  "license": "MIT",
+  "dependencies": {
+    "compression": "^1.7.4",
+    "express": "^4.17.1"
+  }
+}

ch05/express02/static/page.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<title>Static page</title>
+<meta name="viewport" content="width=device-width,initial-scale=1" />
+</head>
+<body>
+
+  <h1>This is a static page</h1>
+
+</body>
+</html>

ch05/express03/README.md

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+# Express Web Application Example
+
+To run this example, navigate to this directory in your terminal then install the Node.js dependencies with:
+
+```sh
+npm install
+```
+
+Run the application with:
+
+```sh
+npm start
+```
+
+Then open paths at <http://localhost:3000/> in your web browser.

ch05/express03/index.js

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+// Express.js application
+import express from 'express';
+import compression from 'compression';
+
+import { fileURLToPath } from 'url';
+import { dirname, sep } from 'path';
+
+// configuration
+const
+  __dirname = dirname(fileURLToPath( import.meta.url )) + sep,
+  cfg = {
+    port: process.env.PORT || 3000,
+    dir: {
+      root:   __dirname,
+      static: __dirname + 'static' + sep,
+      views:  __dirname + 'views' + sep,
+      routes: __dirname + 'routes' + sep,
+    }
+  };
+
+console.dir(cfg, { depth: null, color: true });
+
+// Express initiation
+const app = express();
+
+// do not identify Express
+app.disable('x-powered-by');
+
+// use EJS templates
+app.set('view engine', 'ejs');
+app.set('views', cfg.dir.views);
+
+// HTTP compression
+app.use( compression() );
+
+// log every request to the terminal
+app.use((req, res, next) => {
+  console.log(req.url);
+  next();
+});
+
+// home page route
+app.get('/', (req, res) => {
+  res.render('message', { title: 'Hello World!' });
+});
+
+// /hello/ route
+import { helloRouter } from './routes/hello.js';
+app.use('/hello', helloRouter);
+
+// serve static assets
+app.use(express.static( cfg.dir.static ));
+
+// 404 errors
+app.use((req, res) => {
+  res.status(404).render('message', { title: 'Not found' });
+});
+
+// start server
+app.listen(cfg.port, () => {
+  console.log(`Example app listening at http://localhost:${ cfg.port }`);
+});
+
+// export defaults
+export { cfg, app };

ch05/express03/lib/locale.js

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+// localisation
+
+// international greetings
+export const hello = {
+  au: 'G\'day',
+  cn: 'Nǐ hǎo',
+  en: 'Hello',
+  de: 'Hallo',
+  es: 'Hola',
+  fr: 'Bonjour',
+  jp: 'Kon\'nichiwa'
+};

ch05/express03/lib/string.js

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+// string functions
+
+// capitalize the first letter of all words
+export function capitalize(str) {
+
+  return str
+    .trim()
+    .toLowerCase()
+    .split(' ')
+    .map(word => word.charAt(0).toUpperCase() + word.slice(1))
+    .join(' ');
+
+}