Function loadFileConfig

packages/css/src/postcss.ts:26–52

(
  searchPath: string,
)

>()

async function loadFileConfig(
  searchPath: string,
): Promise<PostCSSConfigResult | null> {
  const cached = fileConfigCache.get(searchPath)
  if (cached !== undefined) return cached

  const promise = (async (): Promise<PostCSSConfigResult | null> => {
    try {
      const postcssrc = (await import('postcss-load-config')).default
      const result = await postcssrc({}, searchPath)
      return {
        options: result.options,
        plugins: result.plugins,
      }
    } catch (error: any) {
      if (error.message?.includes('No PostCSS Config found')) {
        return null
      }
      throw error
    }
  })()

  fileConfigCache.set(searchPath, promise)
  const result = await promise
  fileConfigCache.set(searchPath, result)
  return result
}

function resolvePostCSSConfig(
  postcssOption: PostCSSOptions | undefined,