posted_at relative time

gistfile1.txt

/*global I18n*/
(function ($) {

  var PostedAt = {}
    , moment = this.moment;

  // Format dates in a human way. Read the code.
  moment.fn.humanFormat = function () {
    // ensure that we are on utc
    var utc = this.clone().utc()
      , now = _.date(Date.now()).utc();

    if (utc > now.clone().subtract('minutes', 1)) {
      return I18n.translations.date.now;
    } else if (utc > now.clone().subtract('hours', 1)) {
      return this.from(now);
    } else if (utc > now.clone().sod()) {
      return this.local().format("h:mm a");
    } else if (utc > now.clone().sod().subtract('days', 1)) {
      return I18n.translations.date.yesterday + " " + this.local().format("h:mm a");
    } else if (utc > now.clone().sod().subtract('days', 6)) {
      return this.local().format("ddd h a");
    } else if (utc.year() === now.clone().year() && utc.month() === now.clone().month()) {
      return this.local().format("MMM Do h a");
    } else if (utc.year() === now.clone().year()) {
      return this.local().format("MMM Do");
    } else {
      return this.local().format("MMM Do YYYY");
    }
  };

  // Replaces all the cache-friendly static dates
  // with relative time ago in words
  PostedAt.format_posted_dates = function () {
    $('time.timeago').each(function () {
      $(this).html(_.date(+$(this).attr('data-msec')).humanFormat());
    });
  };

  setInterval(PostedAt.format_posted_dates, 30000);

  //exports
  Teambox.modules.posted_at = PostedAt;
}(jQuery));