luxon/build/demo/demo.js

Immutable date wrapper

function demo(luxon) {
  let DateTime = luxon.DateTime,
    examples = [],
    run = function(code) {
      try {
        return JSON.stringify(eval(code));
      } catch (e) {
        return '[error]';
      }
    },
    example = function(code) {
      examples.push(
        "<tr class='example'><td class='code'>" +
          code +
          "</td><td class='divider'>//=> </td><td class='result'>" +
          run(code) +
          '</td></tr>'
      );
    };

  example('DateTime.local()');
  example('DateTime.local(2017, 5, 15, 17, 36)');
  example('DateTime.utc(2017, 5, 15, 17, 36)');
  example('DateTime.local().toUTC()');
  example('DateTime.utc(2017, 5, 15, 17, 36).toLocal()');
  example('DateTime.local().toObject()');
  example(
    'DateTime.fromObject({year: 2017, month: 5, day: 15, hour: 17, minute: 36})'
  );
  example(
    "DateTime.fromObject({year: 2017, month: 5, day: 15, hour: 17, minute: 36, zone: 'America/New_York' })"
  );
  example(
    "DateTime.fromObject({year: 2017, month: 5, day: 15, hour: 17, minute: 36, zone: 'Asia/Singapore' })"
  );
  example('DateTime.local().plus({minutes: 15, seconds: 8})');
  example('DateTime.local().plus({days: 6})');
  example('DateTime.local().minus({days: 6})');
  example('DateTime.local().diff(DateTime.local(1982, 5, 25)).milliseconds');
  example("DateTime.local().diff(DateTime.local(1982, 5, 25), 'days').days");
  example(
    "DateTime.local().diff(DateTime.local(1982, 5, 25), ['days', 'hours']).toObject()"
  );
  example('DateTime.local().toLocaleString()');
  example("DateTime.local().setLocale('zh').toLocaleString()");
  example('DateTime.local().toLocaleString(DateTime.DATE_MED)');
  example("DateTime.local().setLocale('zh').toLocaleString(DateTime.DATE_MED)");
  example(
    "DateTime.local().setLocale('fr').toLocaleString(DateTime.DATE_FULL)"
  );
  example("DateTime.fromISO('2017-05-15')");
  example("DateTime.fromISO('2017-05-15T17:36')");
  example("DateTime.fromISO('2017-W33-4')");
  example("DateTime.fromISO('2017-W33-4T04:45:32.343')");
  example("DateTime.fromString('12-16-2017', 'MM-dd-yyyy')");
  example("DateTime.local().toFormat('MM-dd-yyyy')");
  example("DateTime.local().toFormat('MMMM dd, yyyy')");
  example("DateTime.local().setLocale('fr').toFormat('MMMM dd, yyyy')");
  example("DateTime.fromString('May 25, 1982', 'MMMM dd, yyyy')");
  example(
    "DateTime.fromString('mai 25, 1982', 'MMMM dd, yyyy', { locale: 'fr' })"
  );

  let all = '<h1>Some Luxon examples</h1>';
  all += "<p>This is not meant to be a comprehensive showcase of Luxon's capabilities, just a quick flavoring.</p>";
  all += '<table>';
  all += examples.join('');
  all += '</table>';

  document.body.innerHTML = all;
}

if (typeof define !== 'undefined') {
  define(['luxon'], function(luxon) {
    return function() {
      demo(luxon);
    };
  });
} else {
  window.demo = demo;
}