Connect

Favicon:

By default serves the connect favicon, or the favicon
located by the given path.

Options:

maxAge cache-control max-age directive, defaulting to 1 day

Examples:

Serve default favicon:

connect()
  .use(connect.favicon())

Serve favicon before logging for brevity:

connect()
  .use(connect.favicon())
  .use(connect.logger('dev'))

Serve custom favicon:

connect()
  .use(connect.favicon('public/favicon.ico'))

String path
Object options
returns Function

Source

module.exports = function favicon(path, options){
  var options = options || {}
    , path = path || __dirname + '/../public/favicon.ico'
    , maxAge = options.maxAge || 86400000
    , icon; // favicon cache

  return function favicon(req, res, next){
    if ('/favicon.ico' == req.url) {
      if (icon) {
        res.writeHead(200, icon.headers);
        res.end(icon.body);
      } else {
        fs.readFile(path, function(err, buf){
          if (err) return next(err);
          icon = {
            headers: {
                'Content-Type': 'image/x-icon'
              , 'Content-Length': buf.length
              , 'ETag': '"' + utils.md5(buf) + '"'
              , 'Cache-Control': 'public, max-age=' + (maxAge / 1000)
            },
            body: buf
          };
          res.writeHead(200, icon.headers);
          res.end(icon.body);
        });
      }
    } else {
      next();
    }
  };
};