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Ensure classes defined in Nuxt config are imported #1013

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Sep 3, 2025
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Ensure classes defined in Nuxt config are imported #1013

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14 changes: 12 additions & 2 deletions src/import-css.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,22 @@ const getDefaults = (nuxtConfig: NuxtConfig & { srcDir: string }) => [
].map(defaultPath => join(nuxtConfig.srcDir, nuxtConfig.dir?.assets || 'assets', defaultPath))

export default async function importCSS(nuxt = useNuxt()) {
const sources = nuxt.options._layers.map(layer => layer.config.srcDir || layer.cwd)
const sources = nuxt.options._layers.map(layer => JSON.stringify(layer.config.srcDir || layer.cwd))

// Add variables from Nuxt config that need parsing
const sourceConfigs = [
nuxt.options.app?.head?.htmlAttrs?.class,
nuxt.options.app?.head?.bodyAttrs?.class,
]
sourceConfigs.forEach((value) => {
if (value) sources.push(`inline(${JSON.stringify(value)})`)
})

await nuxt.callHook('tailwindcss:sources:extend', sources)
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sorry it took me a while, I was thinking about this hook as passing JSON.stringified strings here would have severe effects. Let me think of some ideas and apply onto this PR

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I understand! But worth noting that I didn't add this call to JSON.stringify: it was already in the codebase and I moved it.

I had to move it here so that only the bit between () was stringified rather than the whole string.


const sourcesTemplate = addTemplate({
filename: 'tailwindcss/sources.css',
getContents: () => sources.map(source => `@source ${JSON.stringify(source)};`).join('\n'),
getContents: () => sources.map(source => `@source ${source};`).join('\n'),
write: true,
})

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