Simple moment helper for Handlebars

moment.js

/*
 * Format a date using Moment.
 * Usage: {{moment date format="MMMM YYYY"}}
 */

var Handlebars = require('handlebars'),
    _ = require('lodash'),
    moment = require('moment');

Handlebars.registerHelper('moment', function (context, block) {
  var m, format;
  block = block || context;

  if (_.has(block, 'hash.format')) {
    format = block.hash.format;
  }

  m = moment.utc(context);

  if (! m.isValid()) {
    m = moment.utc();
  }

  return m.format(format);
});