Function processWithLightningCSS

packages/css/src/plugin.ts:378–447

(
  code: string,
  id: string,
  cleanId: string,
  deps: string[],
  config: CssPluginConfig,
  logger: Logger,
  isModule: boolean,
)

}

async function processWithLightningCSS(
  code: string,
  id: string,
  cleanId: string,
  deps: string[],
  config: CssPluginConfig,
  logger: Logger,
  isModule: boolean,
): Promise<ProcessResult> {
  const lang = getPreprocessorLangFromId(id)
  const cssModules = resolveCssModulesConfig(
    config.css.modules,
    isModule,
    logger,
  )

  if (lang) {
    const preResult = await compilePreprocessor(
      lang,
      code,
      cleanId,
      config.css.preprocessorOptions,
    )
    deps.push(...preResult.deps)

    return transformWithLightningCSS(preResult.code, cleanId, {
      target: config.css.target,
      lightningcss: config.css.lightningcss,
      minify: config.css.minify,
      cssModules,
      sourceMap: config.sourceMap,
    })
  }

  // Virtual modules (with query strings) can't use file-based bundling;
  // ?inline is excluded because the underlying file is real.
  if (id !== cleanId && !RE_INLINE.test(id)) {
    return transformWithLightningCSS(code, cleanId, {
      target: config.css.target,
      lightningcss: config.css.lightningcss,
      minify: config.css.minify,
      cssModules,
      sourceMap: config.sourceMap,
    })
  }

  if (RE_CSS.test(cleanId)) {
    const bundleResult = await bundleWithLightningCSS(
      cleanId,
      {
        target: config.css.target,
        lightningcss: config.css.lightningcss,
        minify: config.css.minify,
        cssModules,
        preprocessorOptions: config.css.preprocessorOptions,
        sourceMap: config.sourceMap,
        logger,
      },