vite forcibly replaced process.env.NODE_ENV as mode option

[maxming2333]

Describe the bug

When I write the following code in the code

console.log(process.env.NODE_ENV);

Then defineprocess.env.NODE_ENV in vite.config.ts:

return defineConfig({
  define: {
    'process.env.NODE_ENV': JSON.stringify('development'),
  }
});

Then I execute the following command for development

npx vite --mode dev --force

It turned out that after the vite compilation, it became

console.log('dev'); // why??????

So I repeatedly made debug and found that, vite was forcibly replaced with process.env.NODE_ENV with vite mode option

Position to code: https://github.com/vitejs/vite/blob/main/packages/vite/src/node/plugins/clientInjections.ts#L56-L59

It can be seen that vite is directly replaced by process.env.NODE_ENV in the code to mode option

---

I hope not to link the mode option and process.env.NODE_ENV

The two of them are two different things, let alone the code of the direct replace user

Reproduction

https://stackblitz.com/edit/vitejs-vite-qfdg3v?file=main.js,package-lock.json&terminal=dev

System Info

System:
    OS: macOS 12.3.1
    CPU: (16) x64 Intel(R) Core(TM) i7-10700K CPU @ 3.80GHz
    Memory: 8.61 GB / 32.00 GB
    Shell: 5.8 - /bin/zsh
  Binaries:
    Node: 14.18.3 - ~/.nvm/versions/node/v14.18.3/bin/node
    npm: 6.14.15 - ~/.nvm/versions/node/v14.18.3/bin/npm
  Browsers:
    Chrome: 101.0.4951.64
    Safari: 15.4
    Safari Technology Preview: 15.4

Used Package Manager

npm

Logs

No response

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• The provided reproduction is a minimal reproducible example of the bug.