[Bug?]: todomvc app doesn't work on vercel

[albertoforni]

Duplicates

• I have searched the existing issues

Latest version

• I have tested the latest version

Current behavior 😯

I cloned the todomvc app from the examples folder and tried to deploy it to vercel using the preset in vite.config.ts

import { defineConfig } from "@solidjs/start/config";

export default defineConfig({
  start: {
    server: {
      preset: "vercel",
    },
  },
});

In Build & Development Settings, I tried to override the different settings and specify Other Framework with no luck.

When I load the page I get this error in the console

Expected behavior 🤔

No response

Steps to reproduce 🕹

Steps:

1. Clone the repo https://github.com/albertoforni/solidstart-todomvc
2. Deploy to vercel
3. Open the page

Context 🔦

No response

Your environment 🌎

solid-start: 0.4.6

[lxsmnsyc]

This seems to be an issue to the app itself rather than the preset

https://github.com/solidjs/solid-start/blob/main/examples/todomvc/src/routes/index.tsx#L50-L56

todo() here can be undefined

[albertoforni]

It seems to have a default value and it works locally.

[edivados]

Does that driver work on vercel?

solid-start/examples/todomvc/src/lib/api.ts

Lines 7 to 13 in c8ec9f1

	// this uses file system driver for unstorage that works only on node.js
	// swap with the key value of your choice in your deployed environment
	const storage = createStorage({
	driver: fsLiteDriver({
	base: "./.data"
	})
	});

[ryansolid]

Yeah if I was to bet the problem is with the storage option. It probably isn't finding the todos properly.

[albertoforni]

Thanks, I'll try to change that and see if it works.

[albertoforni]

I confirm that by replacing

const storage = createStorage({
  driver: fsLiteDriver({
    base: "./.data"
  })
});

with a simple Map, it works.

Thanks everyone for the help and sorry for the noise.
I was trying to debug another project I'm migrating from v0.3.10 and I wanted to see if a simple example worked. I guess I picked a not-so-simple one... At least now I know that it does work.