feat: immediately write DB to disk after reset

Author: bahmutov

src/index.js

@@ -13,6 +13,10 @@ function jsonServerReset (req, res, next) {
     debug('new data %o', data)
 
     req.app.db.setState(data)
+    // and immediately write the database file
+    req.app.db.write()
+    debug('have written updated data to disk')
+
     return res.sendStatus(200)
   }
   // not a POST /reset