function idx()

in packages/idx/src/idx.js [58:71]

• 14 lines of code
• 5 McCabe index (conditional complexity)

function idx<Ti, Tv>(input: Ti, accessor: (input: Ti) => Tv): ?Tv {
  try {
    return accessor(input);
  } catch (error) {
    if (error instanceof TypeError) {
      if (nullPattern.test(error)) {
        return null;
      } else if (undefinedPattern.test(error)) {
        return undefined;
      }
    }
    throw error;
  }
}