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Next.js-Vite: Fix failing postcss mutation #33879

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Merged
valentinpalkovic merged 1 commit into from
Feb 20, 2026
Merged

Next.js-Vite: Fix failing postcss mutation #33879

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23 changes: 6 additions & 17 deletions code/builders/builder-vite/src/vite-config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,12 @@ export async function commonConfig(
const sbConfig: InlineConfig = {
configFile: false,
plugins: await pluginConfig(options),
root: projectRoot,
// Allow storybook deployed as subfolder. See https://github.com/storybookjs/builder-vite/issues/238
base: './',
...(options.cacheKey
? { cacheDir: resolvePathInStorybookCache('sb-vite', options.cacheKey) }
: {}),
// Pass build.target option from user's vite config
build: {
target: buildProperty?.target,
Expand All @@ -72,28 +78,11 @@ export async function commonConfig(
}

export async function pluginConfig(options: Options) {
const projectRoot = resolve(options.configDir, '..');

const plugins = [
// Shared core plugins (resolve conditions, envPrefix, fs.allow, externals, env vars, etc.)
...(await corePlugins([], options)),
await storybookExternalGlobalsPlugin(options),
await csfPlugin(options),
// Builder-specific: root, base, and cacheDir
{
name: 'storybook:builder-vite-config',
enforce: 'pre' as const,
config() {
return {
root: projectRoot,
// Allow storybook deployed as subfolder. See https://github.com/storybookjs/builder-vite/issues/238
base: './',
...(options.cacheKey
? { cacheDir: resolvePathInStorybookCache('sb-vite', options.cacheKey) }
: {}),
};
},
},
// Entry plugin: virtual modules for stories, addon setup, and main app entry
...(await storybookEntryPlugin(options)),
// Builder-specific: webpack-compatible stats for turbosnap/chromatic
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