Function hook

src/index.js:125–128

  const isException = buildExceptionChecker(ignore);

  const hook = filename => {
    const tokens = fetch(filename, filename);
    return camelCase ? transformTokens(tokens, camelCase) : tokens;
  };

  // @todo add possibility to specify particular config for each extension
  exts.forEach(extension => attachHook(hook, extension, isException));