vite/playground/tailwind-sourcemap/postcss.config.js

import { fileURLToPath } from 'node:url'
import { dirname } from 'node:path'

const __filename = fileURLToPath(import.meta.url)
const __dirname = dirname(__filename)

export default {
  plugins: {
    tailwindcss: { config: __dirname + '/tailwind.config.js' },
  },
}