Function time

builds/spacetime.cjs:2919–2961

(s, str, goFwd)

  };

  const time = function (s, str, goFwd) {
    let m = str.match(/([0-9]{1,2})[:h]([0-9]{1,2})(:[0-9]{1,2})? ?(am|pm)?/);
    if (!m) {
      //fallback to support just '2am'
      m = str.match(/([0-9]{1,2}) ?(am|pm)/);
      if (!m) {
        return null // invalid time string - mark as invalid
      }
      m.splice(2, 0, '0'); //add implicit 0 minutes
      m.splice(3, 0, ''); //add implicit seconds
    }
    let h24 = false;
    let hour = parseInt(m[1], 10);
    let minute = parseInt(m[2], 10);
    if (minute >= 60) {
      minute = 59;
    }
    if (hour > 12) {
      h24 = true;
    }
    //make the hour into proper 24h time
    if (h24 === false) {
      if (m[4] === 'am' && hour === 12) {
        //12am is midnight
        hour = 0;
      }
      if (m[4] === 'pm' && hour < 12) {
        //12pm is noon
        hour += 12;
      }
    }
    // handle seconds
    m[3] = m[3] || '';
    m[3] = m[3].replace(/:/, '');
    const sec = parseInt(m[3], 10) || 0;
    const old = s.clone();
    s = s.hour(hour);
    s = s.minute(minute);
    s = s.second(sec);
    s = s.millisecond(0);
    s = fwdBkwd(s, old, goFwd, 'day'); // specify direction
    return s.epoch
  };

  const date = function (s, n, goFwd) {
    n = validate(n);