sass not working with node 21

[brc-dd]

Describe the bug

Using sass on node 21 is throwing errors.

Reproduction

https://github.com/brc-dd/vite-sass-bug

Steps to reproduce

Run pnpm install followed by pnpm dev. Issue seems to arise from the fact that typeof navigator is object on node 21. So probably a sass bug instead? 👀

System Info

System:
    OS: macOS 13.6
    CPU: (10) arm64 Apple M2 Pro
    Memory: 117.36 MB / 32.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 21.0.0 - ~/.nvm/versions/node/v21.0.0/bin/node
    Yarn: 1.22.19 - ~/.nvm/versions/node/v21.0.0/bin/yarn
    npm: 10.2.0 - ~/.nvm/versions/node/v21.0.0/bin/npm
    pnpm: 8.9.2 - ~/.nvm/versions/node/v21.0.0/bin/pnpm
  Browsers:
    Safari: 17.0
    Safari Technology Preview: 17.4
  npmPackages:
    @vitejs/plugin-vue: ^4.2.3 => 4.4.0 
    vite: ^4.4.5 => 4.5.0

Used Package Manager

pnpm

Logs

Click to expand!

  vite:config bundled config file loaded in 147.21ms +0ms
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  vite:config       'vite:import-glob',
  vite:config       'vite:build-import-analysis',
  vite:config       'vite:esbuild-transpile',
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  vite:config } +23ms
vite v4.5.0 building for production...
  vite:esbuild 128.10ms tsconfck init /Users/divyansh/vite-project +0ms
✓ 3 modules transformed.
✓ built in 233ms
[vite:css] Preprocessor dependency "sass" failed to load:
Cannot read properties of undefined (reading 'indexOf')
file: /Users/divyansh/vite-project/src/style.scss
error during build:
TypeError: Cannot read properties of undefined (reading 'indexOf')
    at /Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:116832:12
    at Object.applyHooksTransformer (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:1863:14)
    at Object.initHooks (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:1843:251)
    at Object.initNativeDispatchContinue (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:1809:9)
    at Object.initNativeDispatch (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:1803:9)
    at Object.getNativeInterceptor (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:29308:13)
    at Object.getInterceptor$x (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:29569:16)
    at Object.set$compile$x (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:29636:16)
    at Object.main (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:24401:9)
    at main2 (/Users/divyansh/vite-project/node_modules/.pnpm/sass@1.69.4/node_modules/sass/sass.dart.js:26210:9)
Error: Preprocessor dependency "sass" failed to load:
Cannot read properties of undefined (reading 'indexOf')
    at loadPreprocessor (file:///Users/divyansh/vite-project/node_modules/.pnpm/vite@4.5.0_sass@1.69.4/node_modules/vite/dist/node/chunks/dep-bb8a8339.js:39307:29)
    at scss (file:///Users/divyansh/vite-project/node_modules/.pnpm/vite@4.5.0_sass@1.69.4/node_modules/vite/dist/node/chunks/dep-bb8a8339.js:39345:20)
    at compileCSSPreprocessors (file:///Users/divyansh/vite-project/node_modules/.pnpm/vite@4.5.0_sass@1.69.4/node_modules/vite/dist/node/chunks/dep-bb8a8339.js:38770:36)
    at compileCSS (file:///Users/divyansh/vite-project/node_modules/.pnpm/vite@4.5.0_sass@1.69.4/node_modules/vite/dist/node/chunks/dep-bb8a8339.js:38820:42)
    at async Object.transform (file:///Users/divyansh/vite-project/node_modules/.pnpm/vite@4.5.0_sass@1.69.4/node_modules/vite/dist/node/chunks/dep-bb8a8339.js:38300:56)
    at async transform (file:///Users/divyansh/vite-project/node_modules/.pnpm/rollup@3.29.4/node_modules/rollup/dist/es/shared/node-entry.js:24449:16)
    at async ModuleLoader.addModuleSource (file:///Users/divyansh/vite-project/node_modules/.pnpm/rollup@3.29.4/node_modules/rollup/dist/es/shared/node-entry.js:24649:30)
 ELIFECYCLE  Command failed with exit code 1.

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[brc-dd]

Duplicate of dart-lang/sdk#53784

[mpr0xy]

Here is my temporary solution

In the vite.config.ts file, first write

if (!navigator.userAgent) {
  //@ts-ignore
  navigator.userAgent = "";
}

Can alleviate errors

[brc-dd]

I don't think that error would occur on node 16. navigator global was only added in node 21, and most likely not backported.

[mpr0xy]

I don't think that error would occur on node 16. navigator global was only added in node 21, and most likely not backported.

Yes, I confused the currently running node version.

Nodejs version 21 will cause errors.