date-fns parse multiple formats

parseMultiple.js

import { default as parse } from 'date-fns/parse';
import { default as isValid } from 'date-fns/isValid';

// like parse but second argument must array of strings
// returns date
export const parseMultiple = (
  dateString,
  formatString,
  referenceDate,
  options
) => {
  let result;

  if (Array.isArray(formatString)) {
    for (let i = 0; i < formatString.length; i++) {
      result = parse(dateString, formatString[i], referenceDate, options);
      if (isValid(result)) { break; }
    }
  } else {
    result = parse(dateString, formatString, referenceDate, options);
  }

  return result;
};