lib/vendor/sugar.js
function addDateInputFormat(locale, format, match, variant) {
    locale.compiledFormats.unshift({
      variant: variant,
      locale: locale,
      reg: regexp('^' + format + '$', 'i'),
      to: match
    });
  }
function addDateInputFormat(locale, format, match, variant) {
    locale.compiledFormats.unshift({
      variant: variant,
      locale: locale,
      reg: regexp('^' + format + '$', 'i'),
      to: match
    });
  }
General helpers