Timestamp for Workflowy tags (bookmarklet)

--timestamp-tag.js

// Minifier fork (with ES6 support):
//   https://jadengore.github.io/bookmarkleter/
// My usual minifier (no ES6 support): http://chriszarate.github.io/bookmarkleter/
// GitHub issue: https://github.com/chriszarate/bookmarkleter/issues/7

function main() {
  prompt('Press Ctrl-C to copy', '#' + getTimeStamp());
}

function getTimeStamp() {
  var date = new Date();
  var hoursRaw = date.getHours();
  var [hours, ampm] = datelib.twelveHours(hoursRaw);
  var minutes = datelib.twoDigits(date.getMinutes());
  return ('ts:v1_'
        + hours + ':' + minutes
        + ampm);
}

var datelib = {  // homespun stuff
  _version: '0.1.0',
  twelveHours: function twelveHours(hoursRaw) {
    var ampm = (hoursRaw < 12 ?
                'am' : 'pm');
    var hours;
    if (hoursRaw === 0) {
      hours = 12;
    } else if (hoursRaw <= 12) {
      hours = hoursRaw;
    } else {
      hours = hoursRaw - 12;
    }
    hours = datelib.twoDigits(hours);

    return [hours, ampm];
  },

  twoDigits: function twoDigits(hours) {
    return (hours < 10 ?
            '0' + hours : '' + hours);
  }
};

main();

bookmarklet.js

javascript:%22use%20strict%22;function%20main(){prompt(%22Press%20Ctrl-C%20to%20copy%22,%22%23%22+getTimeStamp())}function%20getTimeStamp(){var%20t=new%20Date,r=t.getHours(),e=datelib.twelveHours(r),n=_slicedToArray(e,2),i=n[0],o=n[1],a=datelib.twoDigits(t.getMinutes());return%22ts:v1_%22+i+%22:%22+a+o}var%20_slicedToArray=function(){function%20t(t,r){var%20e=[],n=!0,i=!1,o=void%200;try{for(var%20a,u=t[Symbol.iterator]();!(n=(a=u.next()).done)%26%26(e.push(a.value),!r||e.length!==r);n=!0);}catch(t){i=!0,o=t}finally{try{!n%26%26u.return%26%26u.return()}finally{if(i)throw%20o}}return%20e}return%20function(r,e){if(Array.isArray(r))return%20r;if(Symbol.iterator%20in%20Object(r))return%20t(r,e);throw%20new%20TypeError(%22Invalid%20attempt%20to%20destructure%20non-iterable%20instance%22)}}(),datelib={_version:%220.1.0%22,twelveHours:function(t){var%20r,e=t%3C12%3F%22am%22:%22pm%22;return%20r=0===t%3F12:t%3C=12%3Ft:t-12,r=datelib.twoDigits(r),[r,e]},twoDigits:function(t){return%20t%3C10%3F%220%22+t:%22%22+t}};main();