javascript - Node.js public static folder to serve js with utf-8 charset

Question

I′m using node.js and express to serve static JavaScript files to a single page application. In the node.js server code I use express.static to allow public access folder

app.use(express.static(__dirname + '/public/'));

In the client side, I use $.getScript to get the JavaScript files stored in the public folder, for example:

$.getScript("js/init.js");

When I try to get some JavaScript files that have letters with accents or some UTF-8 special character I get strange characters instead of what I want.

Is there any way to set the charset when I define the public folder?

Answer 1

An answer from What's the simplest way to serve static files using node.js? gave me the hint of inserting your own middleware before static.

The code below finds *.js files and sets the charset to utf-8.

app.use(function(req, res, next) {
  if (/.*.js/.test(req.path)) {
    res.charset = "utf-8";
  }
  next();
});
app.use(express.static(__dirname + '/public/'));

After doing this, look for the following response header.

Content-Type: application/javascript; charset=utf-8