issue about visiting dev server url with query string ending with '.js'

[Claiyre]

Describe the bug

visiting dev server url with query string ending with '.js' will cause vite internal error

[vite] Internal server error: Failed to resolve entry for package "/Users/xxx/vite-demo/". The package may have incorrect main/module/exports specified in its package.json.

Reproduction

https://github.com/Claiyre/vite-bug

reproducing steps:

1. npm install
2. npm run dev
3. visit http://localhost:3000/?test=aa.js(note whether the port number is correct!)
4. internal error in terminal

System Info

Output of npx envinfo --system --npmPackages vite,@vitejs/plugin-vue --binaries --browsers:

System:
    OS: macOS 10.15.7
    CPU: (12) x64 Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
    Memory: 497.07 MB / 16.00 GB
    Shell: 3.2.57 - /bin/bash
  Binaries:
    Node: 14.16.1 - ~/.nvm/versions/node/v14.16.1/bin/node
    Yarn: 1.22.4 - /usr/local/bin/yarn
    npm: 6.14.12 - ~/.nvm/versions/node/v14.16.1/bin/npm
    Watchman: 4.9.0 - /usr/local/bin/watchman
  Browsers:
    Chrome: 90.0.4430.212
    Firefox: 88.0.1
    Safari: 14.0.3
  npmPackages:
    @vitejs/plugin-vue: ^1.2.2 => 1.2.2 
    vite: ^2.3.4 => 2.3.4 

Used package manager: npm

[github-actions]

This issue has been locked since it has been closed for more than 14 days.

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