Node.js has no trouble loading HTML files, however, it seems to encounter issues when trying to

Having a bit of trouble with my JavaScript skills as I try to load my index.html file (seems like it should be the 5th easiest thing to do in JavaScript).

Let me get straight to the point; when I manually open my index.html, it loads perfectly WITH the CSS applied (shown below)

https://i.sstatic.net/VZfbq.png

However, when I attempt to load it using JavaScript, it only displays plain HTML without any styling, completely missing my CSS:

https://i.sstatic.net/Eovav.png

The files are organized as follows:

server.js in: root

index.html in: root/public

style.css in: root/public/css

Here's the server.js code:

var http = require('http');
var fs = require('fs');

var handleRequest = function handleRequest(request, response){
        if (request.url==='/index.html' || request.url==='/') {
            response.writeHeader(200, {'Content-type':'text/html'});
            fs.readFile('./public/index.html', function (err, file) {
                if (err) throw err;
                response.end(file);
            });
        } else {
            response.writeHeader(404);
            response.end('Are you lost friend?');
        }
}
var server = http.createServer(handleRequest);
var PORT = 8080; 
server.listen(PORT, function(){
    console.log("Server listening on: http://localhost:%s", PORT);
});

And here's the index.html code:

<!DOCTYPE html>
<html>
<head>
    <title>My not-so-amazing Webpage</title>
    <link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body>

<h1>The Inspiratorator v5.7.0</h1>

<p>I AM THE SUN</p>

</body>
</html>

Lastly, the style.css content:

h1 {
  background-color: #000000;
  color: rgba(255, 255, 255, 1);
  backface-visibility: 0.5; 
  font-size: 50px;
  text-align: center;
}

p {
   background-color: blue;
   font-family: sans-serif;
   color: white;
}

Answer №1

Take a closer look at how you're managing the requests - currently, every request is being denied except for /. This is causing the browser to be unable to access the CSS file.

if (request.url==='/index.html' || request.url==='/') {
            response.writeHeader(200, {'Content-type':'text/html'});
            fs.readFile('./public/index.html', function (err, file) {
                if (err) throw err;
                response.end(file);
            });
        } else {
            response.writeHeader(404);
            response.end('Are you lost friend?');
        }

I've made an adjustment in the code to handle the css file separately, and it seems to be working now.

NOTE:

Remember to adapt this code to fit your specific requirements, as it may not be suitable for production use.

} else if (request.url.indexOf('css') != -1) {
            response.writeHeader(200, {'Content-type':'text/css'});
            fs.readFile('./public/css/style.css', function (err, file) {
                if (err) throw err;
                response.end(file);
            });
        }

https://i.sstatic.net/AZ2Xn.png

Answer №2

Is it possible that you are only allowing http 404 to be returned if the uri ends with index.html? This could explain why the css is not being served correctly.

I recommend using a reliable debugger such as the ones found in Chrome or Firebug to identify and resolve any issues causing these errors.

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