404 GET / as application/octet-stream error when running the template from WSL

[yaikohi]

Device info + package versions

• OS: Ubuntu 22.04.2 LTS on Windows 10 x86_64
• hono 3.1.3
• bun 0.5.8

Steps to reproduce

I get this error in my terminal after doing the following

• npm create hono@latest my-app
• select bun template
• cd my-app
• bun install
• bun dev (= bun run --hot src/index.ts in package.json); this runs on port 3000
• go to http://localhost:3000
• receive error (404 GET / as application/octet-stream) in terminal

When I run
bun run src/index.ts the server seems to run ): but no hmr

Is this a bun issue or a hono issue?

Edit:
I also tested this on ubuntu 22.04 proper (not WSL) and had the same problem

[yaikohi]

Googling a bit more I found that it might be a bun issue.

The code from the hono template is:

import { Hono } from 'hono'

const app = new Hono()

app.get('/', (c) => c.text('Hello Hono!'))

export default app

So the response from the server should not be 'application/octet-stream' at all.

I found these issues from the bun repo that seem related

• bun dev on a new react app wrongly serves static manifest.json as ES module oven-sh/bun#1213
• Can't make a Bun.file using base64 string buffer oven-sh/bun#1729