@pattern-lab/live-server/middleware/spa-ignore-assets.js

simple development http server with live reload capability

// Single Page Apps - redirect to /#/ except when a file extension is given
var path = require('path');
module.exports = function (req, res, next) {
  if (req.method !== 'GET' && req.method !== 'HEAD') next();
  if (req.url !== '/' && path.extname(req.url) === '') {
    var route = req.url;
    req.url = '/';
    res.statusCode = 302;
    res.setHeader('Location', req.url + '#' + route);
    res.end();
  } else next();
};