feat: support async handlers

index.js

@@ -730,7 +730,7 @@ function embedHTML(url) {
   return `<div hx-get="${url}" hx-trigger="load"></div>`;
 }
 
-app.all("*", (req, res) => {
+app.all("*", async (req, res) => {
   const req_path = req.path;
   const verb = req.method;
 
@@ -779,10 +779,11 @@ app.all("*", (req, res) => {
             ),
           );
         };
-        return vm.runInContext(
-          (route.handler += `\n\nhandler(req, res)`),
-          context,
-        );
+        const handlerScript = new vm.Script(route.handler, { filename: `handler_${route.id}.js` });
+        // Prepare the execution code that invokes `handler(req, res)` and awaits it
+        const executionScript = new vm.Script(`handler(req, res); `, { filename: `execution_${route.id}.js` });
+        await handlerScript.runInContext(context);
+        const result = await executionScript.runInContext(context);
       } catch (e) {
         const error = e.stack ? `${e}\n\n${e.stack}` : `${e}`;
         model.createLog(db, structure.id, route.id, error, true);