Roughing out the demo app

node_modules/json-server/lib/server/rewriter.js

@@ -0,0 +1,16 @@
+"use strict";
+
+const express = require('express');
+
+const rewrite = require('express-urlrewrite');
+
+module.exports = routes => {
+  const router = express.Router();
+  router.get('/__rules', (req, res) => {
+    res.json(routes);
+  });
+  Object.keys(routes).forEach(key => {
+    router.use(rewrite(key, routes[key]));
+  });
+  return router;
+};