Function loadSss

packages/vite/src/node/plugins/css.ts:2473–2482

(root: string)

let cachedSss: PostCSS.Syntax | Promise<PostCSS.Syntax>
async function loadSss(root: string): Promise<PostCSS.Syntax> {
  if (!cachedSss) {
    cachedSss = (async () => {
      const sssPath = loadPreprocessorPath(PostCssDialectLang.sss, root)
      const resolved = (await import(pathToFileURL(sssPath).href)).default
      return (cachedSss = resolved)
    })()
  }
  return cachedSss
}

declare const window: unknown
declare const location: { href: string } | undefined