fig-8.js

const parseError = (originalError, parsers) => {
  let error = originalError;

  while (!(error instanceof CustomError) && parsers.length) {
    const { detect, parse } = parsers[0];
    if (detect(error)) {
      error = parse(error);
    }
    parsers.shift();
  }

  return error instanceof CustomError
    ? error
    : new InternalServerError({ message: error.message });
};