Add fallback to transit.js

jquery.transit-fallback.js

(function() {
  $.fn.transitAnimate = function(properties, duration, easing, callback) {
    var deepFallback, fallbackCSS, hasDelay, needFallback, self;
    self = this;
    hasDelay = false;
    needFallback = false;
    deepFallback = false;
    fallbackCSS = {};
    if (properties.hasOwnProperty('delay')) {
      hasDelay = true;
    }
    if (properties.hasOwnProperty('fallback')) {
      needFallback = true;
    }
    if ($.fn.transition === null) {
      needFallback = true;
    }
    if (!$.support.transition) {
      needFallback = true;
    }
    if (!$.support.opacity) {
      if (properties.hasOwnProperty('opacity')) {
        fallbackCSS.opacity = properties.opacity;
        delete properties.opacity;
      }
    }
    if (!$.support.transition) {
      if (!properties.hasOwnProperty('nodeepfallback')) {
        deepFallback = true;
      }
    }
    if (duration instanceof Function) {
      callback = duration;
    }
    if (needFallback) {
      if (deepFallback) {
        return setTimeout(function() {
          return self.css(fallbackCSS);
        }, properties.delay);
      } else if (hasDelay) {
        setTimeout(function() {
          return self.css(fallbackCSS);
        }, properties.delay);
        return this.delay(properties.delay).animate(properties, duration, easing, function() {
          if (callback instanceof Function) {
            return callback.call($(this));
          }
        });
      } else {
        return this.animate(properties, duration, easing, function() {
          $(this).css(fallbackCSS);
          if (callback instanceof Function) {
            return callback.call($(this));
          }
        });
      }
    } else {
      if (properties.hasOwnProperty('nodeepfallback')) {
        delete properties.nodeepfallback;
      }
      return this.transition(properties, duration, easing, callback);
    }
  };

}).call(this);