Initial commit

server.js

@@ -0,0 +1,61 @@
+const fs = require('fs');
+const http = require('http');
+const path = require('path');
+const url = require('url');
+
+const port = 8080; // Prefer port > 1024 to avoid super-user permission
+
+const server = http.createServer((request, response) => {
+	const mimeType = {
+		'.html': 'text/html',
+		'.js': 'text/javascript',
+		'.gz': 'application/javascript',
+		'.svg': 'image/svg+xml',
+		'.css': 'text/css'
+	};
+	const mimeEncoding = {
+		'.gz': 'gzip',
+	};
+	let pathname = '.' + url.parse(request.url).pathname;
+	fs.exists(pathname, function (exist) {
+		if(!exist)
+		{
+			// If the file is not found, return 404
+			response.statusCode = 404;
+			response.end(`File ${pathname} not found!`);
+			return;
+		}
+		// If is a directory, then look for index.html
+		if (fs.statSync(pathname).isDirectory()) {
+			pathname += '/index.html';
+		}
+		// Read file from file system
+		fs.readFile(pathname, function(error, data){
+			if(error)
+			{
+				response.statusCode = 500;
+				response.end(`Error getting the file: ${error}.`);
+			}
+			else
+			{
+				// Based on the URL path, extract the file extention. e.g. .js, .doc, ...
+				const extension = path.parse(pathname).ext;
+				// Set Content-Type
+				response.setHeader('Content-Type', mimeType[extension] || 'text/plain' );
+				// If the file is found, set Content-Encoding
+				if(mimeEncoding[extension])
+				{
+					response.setHeader('Content-Encoding', mimeEncoding[extension]);
+				}
+				response.end(data);
+			}
+		});
+	});
+});
+
+server.listen(port, (error) => {
+	if (error) {
+		return console.log(`Server cannot listen port ${port} :`, error);
+	}
+	console.log(`Server is listening on port ${port}`);
+});