test: add cssModules namedExport test case

[SoonIter]

Summary

best practice for css-modules-named-export

maybe need documented

1. install "@rsbuild/plugin-typed-css-modules"

2. "@rsbuild/plugin-typed-css-modules" and output.cssModules

import { pluginTypedCSSModules } from "@rsbuild/plugin-typed-css-modules";
defineConfig({
  output: {
    target: 'web',
    cssModules: {
      namedExport: true,
      exportLocalsConvention: 'camelCaseOnly',
    },
    plugins: [
      pluginTypedCSSModules()
    ]
  },
})

3. .gitignore

# ignore typed css module
*.scss.d.ts

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[SoonIter]

@Timeless0911
TODO: should be documented at the appropriated place