Function safeReadFile

packages/core/src/compiler/htmlBundler.ts:81–88

(filePath: string)

}

function safeReadFile(filePath: string): string | null {
  if (!existsSync(filePath)) return null;
  try {
    return readFileSync(filePath, "utf-8");
  } catch {
    return null;
  }
}

const CSS_IMPORT_RE =
  /@import\s+(?:url\(\s*(["']?)([^)"']+)\1\s*\)|(["'])([^"']+)\3)\s*([^;]*);\s*/g;