H3 default export issue

[yuriy-yarosh]

Environment

node -v
v23.9.0

"jiti": "^2.4.2"
"h3": "^1.15.1"
"listhen": "^1.9.0"

Reproduction

JITI_JSX=true listhen --open --ws -w ./src/Server/ServerNodeJiti.ts

For

import { createApp,, defineEventHandler } from 'h3'
export const app = createApp()
export default app

Gives

Describe the bug

Exporting both app const and default app in h3 breaks listhen.

Additional context

No response

Logs

[kricsleo]

The default export must be a handler function. Refer to: https://github.com/unjs/listhen?tab=readme-ov-file#quick-usage-cli

To use app as the default export, you need to convert it like this:

import { toNodeListener } from 'h3'
// ...
export default toNodeListener(app)