(function() {

var AjaxMonitor, Bar, DocumentMonitor, ElementMonitor, ElementTracker, EventLagMonitor, Evented, Events, NoTargetError, Pace, RequestIntercept, SOURCE_KEYS, Scaler, SocketRequestTracker, XHRRequestTracker, animation, avgAmplitude, bar, cancelAnimation, cancelAnimationFrame, defaultOptions, extend, extendNative, getFromDOM, getIntercept, handlePushState, ignoreStack, init, now, options, requestAnimationFrame, result, runAnimation, scalers, shouldIgnoreURL, shouldTrack, source, sources, uniScaler, _WebSocket, _XDomainRequest, _XMLHttpRequest, _i, _intercept, _len, _pushState, _ref, _ref1, _replaceState,
  __slice = [].slice,
  __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };

defaultOptions = {
  catchupTime: 100,
  initialRate: .03,
  minTime: 250,
  ghostTime: 100,
  maxProgressPerFrame: 20,
  easeFactor: 1.25,
  startOnPageLoad: true,
  restartOnPushState: true,
  restartOnRequestAfter: 500,
  target: 'body',
  elements: {
    checkInterval: 100,
    selectors: ['body']
  },
  eventLag: {
    minSamples: 10,
    sampleCount: 3,
    lagThreshold: 3
  },
  ajax: {
    trackMethods: ['GET'],
    trackWebSockets: true,
    ignoreURLs: []
  }
};

now = function() {
  var _ref;
  return (_ref = typeof performance !== "undefined" && performance !== null ? typeof performance.now === "function" ? performance.now() : void 0 : void 0) != null ? _ref : +(new Date);
};

requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;

cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame;

if (requestAnimationFrame == null) {
  requestAnimationFrame = function(fn) {
    return setTimeout(fn, 50);
  };
  cancelAnimationFrame = function(id) {
    return clearTimeout(id);
  };
}

runAnimation = function(fn) {
  var last, tick;
  last = now();
  tick = function() {
    var diff;
    diff = now() - last;
    if (diff >= 33) {
      last = now();
      return fn(diff, function() {
        return requestAnimationFrame(tick);
      });
    } else {
      return setTimeout(tick, 33 - diff);
    }
  };
  return tick();
};

result = function() {
  var args, key, obj;
  obj = arguments[0], key = arguments[1], args = 3 <= arguments.length ? __slice.call(arguments, 2) : [];
  if (typeof obj[key] === 'function') {
    return obj[key].apply(obj, args);
  } else {
    return obj[key];
  }
};

extend = function() {
  var key, out, source, sources, val, _i, _len;
  out = arguments[0], sources = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
  for (_i = 0, _len = sources.length; _i < _len; _i++) {
    source = sources[_i];
    if (source) {
      for (key in source) {
        if (!__hasProp.call(source, key)) continue;
        val = source[key];
        if ((out[key] != null) && typeof out[key] === 'object' && (val != null) && typeof val === 'object') {
          extend(out[key], val);
        } else {
          out[key] = val;
        }
      }
    }
  }
  return out;
};

avgAmplitude = function(arr) {
  var count, sum, v, _i, _len;
  sum = count = 0;
  for (_i = 0, _len = arr.length; _i < _len; _i++) {
    v = arr[_i];
    sum += Math.abs(v);
    count++;
  }
  return sum / count;
};

getFromDOM = function(key, json) {
  var data, e, el;
  if (key == null) {
    key = 'options';
  }
  if (json == null) {
    json = true;
  }
  el = document.querySelector("[data-pace-" + key + "]");
  if (!el) {
    return;
  }
  data = el.getAttribute("data-pace-" + key);
  if (!json) {
    return data;
  }
  try {
    return JSON.parse(data);
  } catch (_error) {
    e = _error;
    return typeof console !== "undefined" && console !== null ? console.error("Error parsing inline pace options", e) : void 0;
  }
};

Evented = (function() {
  function Evented() {}

  Evented.prototype.on = function(event, handler, ctx, once) {
    var _base;
    if (once == null) {
      once = false;
    }
    if (this.bindings == null) {
      this.bindings = {};
    }
    if ((_base = this.bindings)[event] == null) {
      _base[event] = [];
    }
    return this.bindings[event].push({
      handler: handler,
      ctx: ctx,
      once: once
    });
  };

  Evented.prototype.once = function(event, handler, ctx) {
    return this.on(event, handler, ctx, true);
  };

  Evented.prototype.off = function(event, handler) {
    var i, _ref, _results;
    if (((_ref = this.bindings) != null ? _ref[event] : void 0) == null) {
      return;
    }
    if (handler == null) {
      return delete this.bindings[event];
    } else {
      i = 0;
      _results = [];
      while (i < this.bindings[event].length) {
        if (this.bindings[event][i].handler === handler) {
          _results.push(this.bindings[event].splice(i, 1));
        } else {
          _results.push(i++);
        }
      }
      return _results;
    }
  };

  Evented.prototype.trigger = function() {
    var args, ctx, event, handler, i, once, _ref, _ref1, _results;
    event = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
    if ((_ref = this.bindings) != null ? _ref[event] : void 0) {
      i = 0;
      _results = [];
      while (i < this.bindings[event].length) {
        _ref1 = this.bindings[event][i], handler = _ref1.handler, ctx = _ref1.ctx, once = _ref1.once;
        handler.apply(ctx != null ? ctx : this, args);
        if (once) {
          _results.push(this.bindings[event].splice(i, 1));
        } else {
          _results.push(i++);
        }
      }
      return _results;
    }
  };

  return Evented;

})();

Pace = window.Pace || {};

window.Pace = Pace;

extend(Pace, Evented.prototype);

options = Pace.options = extend({}, defaultOptions, window.paceOptions, getFromDOM());

_ref = ['ajax', 'document', 'eventLag', 'elements'];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
  source = _ref[_i];
  if (options[source] === true) {
    options[source] = defaultOptions[source];
  }
}

NoTargetError = (function(_super) {
  __extends(NoTargetError, _super);

  function NoTargetError() {
    _ref1 = NoTargetError.__super__.constructor.apply(this, arguments);
    return _ref1;
  }

  return NoTargetError;

})(Error);

Bar = (function() {
  function Bar() {
    this.progress = 0;
  }

  Bar.prototype.getElement = function() {
    var targetElement;
    if (this.el == null) {
      targetElement = document.querySelector(options.target);
      if (!targetElement) {
        throw new NoTargetError;
      }
      this.el = document.createElement('div');
      this.el.className = "pace pace-active";
      document.body.className = document.body.className.replace(/pace-done/g, '');
      document.body.className += ' pace-running';
      this.el.innerHTML = '<div class="pace-progress">\n  <div class="pace-progress-inner"></div>\n</div>\n<div class="pace-activity"></div>';
      if (targetElement.firstChild != null) {
        targetElement.insertBefore(this.el, targetElement.firstChild);
      } else {
        targetElement.appendChild(this.el);
      }
    }
    return this.el;
  };

  Bar.prototype.finish = function() {
    var el;
    el = this.getElement();
    el.className = el.className.replace('pace-active', '');
    el.className += ' pace-inactive';
    document.body.className = document.body.className.replace('pace-running', '');
    return document.body.className += ' pace-done';
  };

  Bar.prototype.update = function(prog) {
    this.progress = prog;
    return this.render();
  };

  Bar.prototype.destroy = function() {
    try {
      this.getElement().parentNode.removeChild(this.getElement());
    } catch (_error) {
      NoTargetError = _error;
    }
    return this.el = void 0;
  };

  Bar.prototype.render = function() {
    var el, key, progressStr, transform, _j, _len1, _ref2;
    if (document.querySelector(options.target) == null) {
      return false;
    }
    el = this.getElement();
    transform = "translate3d(" + this.progress + "%, 0, 0)";
    _ref2 = ['webkitTransform', 'msTransform', 'transform'];
    for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
      key = _ref2[_j];
      el.children[0].style[key] = transform;
    }
    if (!this.lastRenderedProgress || this.lastRenderedProgress | 0 !== this.progress | 0) {
      el.children[0].setAttribute('data-progress-text', "" + (this.progress | 0) + "%");
      if (this.progress >= 100) {
        progressStr = '99';
      } else {
        progressStr = this.progress < 10 ? "0" : "";
        progressStr += this.progress | 0;
      }
      el.children[0].setAttribute('data-progress', "" + progressStr);
    }
    return this.lastRenderedProgress = this.progress;
  };

  Bar.prototype.done = function() {
    return this.progress >= 100;
  };

  return Bar;

})();

Events = (function() {
  function Events() {
    this.bindings = {};
  }

  Events.prototype.trigger = function(name, val) {
    var binding, _j, _len1, _ref2, _results;
    if (this.bindings[name] != null) {
      _ref2 = this.bindings[name];
      _results = [];
      for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
        binding = _ref2[_j];
        _results.push(binding.call(this, val));
      }
      return _results;
    }
  };

  Events.prototype.on = function(name, fn) {
    var _base;
    if ((_base = this.bindings)[name] == null) {
      _base[name] = [];
    }
    return this.bindings[name].push(fn);
  };

  return Events;

})();

_XMLHttpRequest = window.XMLHttpRequest;

_XDomainRequest = window.XDomainRequest;

_WebSocket = window.WebSocket;

extendNative = function(to, from) {
  var e, key, _results;
  _results = [];
  for (key in from.prototype) {
    try {
      if ((to[key] == null) && typeof from[key] !== 'function') {
        if (typeof Object.defineProperty === 'function') {
          _results.push(Object.defineProperty(to, key, {
            get: function() {
              return from.prototype[key];
            },
            configurable: true,
            enumerable: true
          }));
        } else {
          _results.push(to[key] = from.prototype[key]);
        }
      } else {
        _results.push(void 0);
      }
    } catch (_error) {
      e = _error;
    }
  }
  return _results;
};

ignoreStack = [];

Pace.ignore = function() {
  var args, fn, ret;
  fn = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
  ignoreStack.unshift('ignore');
  ret = fn.apply(null, args);
  ignoreStack.shift();
  return ret;
};

Pace.track = function() {
  var args, fn, ret;
  fn = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
  ignoreStack.unshift('track');
  ret = fn.apply(null, args);
  ignoreStack.shift();
  return ret;
};

shouldTrack = function(method) {
  var _ref2;
  if (method == null) {
    method = 'GET';
  }
  if (ignoreStack[0] === 'track') {
    return 'force';
  }
  if (!ignoreStack.length && options.ajax) {
    if (method === 'socket' && options.ajax.trackWebSockets) {
      return true;
    } else if (_ref2 = method.toUpperCase(), __indexOf.call(options.ajax.trackMethods, _ref2) >= 0) {
      return true;
    }
  }
  return false;
};

RequestIntercept = (function(_super) {
  __extends(RequestIntercept, _super);

  function RequestIntercept() {
    var monitorXHR,
      _this = this;
    RequestIntercept.__super__.constructor.apply(this, arguments);
    monitorXHR = function(req) {
      var _open;
      _open = req.open;
      return req.open = function(type, url, async) {
        if (shouldTrack(type)) {
          _this.trigger('request', {
            type: type,
            url: url,
            request: req
          });
        }
        return _open.apply(req, arguments);
      };
    };
    window.XMLHttpRequest = function(flags) {
      var req;
      req = new _XMLHttpRequest(flags);
      monitorXHR(req);
      return req;
    };
    try {
      extendNative(window.XMLHttpRequest, _XMLHttpRequest);
    } catch (_error) {}
    if (_XDomainRequest != null) {
      window.XDomainRequest = function() {
        var req;
        req = new _XDomainRequest;
        monitorXHR(req);
        return req;
      };
      try {
        extendNative(window.XDomainRequest, _XDomainRequest);
      } catch (_error) {}
    }
    if ((_WebSocket != null) && options.ajax.trackWebSockets) {
      window.WebSocket = function(url, protocols) {
        var req;
        if (protocols != null) {
          req = new _WebSocket(url, protocols);
        } else {
          req = new _WebSocket(url);
        }
        if (shouldTrack('socket')) {
          _this.trigger('request', {
            type: 'socket',
            url: url,
            protocols: protocols,
            request: req
          });
        }
        return req;
      };
      try {
        extendNative(window.WebSocket, _WebSocket);
      } catch (_error) {}
    }
  }

  return RequestIntercept;

})(Events);

_intercept = null;

getIntercept = function() {
  if (_intercept == null) {
    _intercept = new RequestIntercept;
  }
  return _intercept;
};

shouldIgnoreURL = function(url) {
  var pattern, _j, _len1, _ref2;
  _ref2 = options.ajax.ignoreURLs;
  for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
    pattern = _ref2[_j];
    if (typeof pattern === 'string') {
      if (url.indexOf(pattern) !== -1) {
        return true;
      }
    } else {
      if (pattern.test(url)) {
        return true;
      }
    }
  }
  return false;
};

getIntercept().on('request', function(_arg) {
  var after, args, request, type, url;
  type = _arg.type, request = _arg.request, url = _arg.url;
  if (shouldIgnoreURL(url)) {
    return;
  }
  if (!Pace.running && (options.restartOnRequestAfter !== false || shouldTrack(type) === 'force')) {
    args = arguments;
    after = options.restartOnRequestAfter || 0;
    if (typeof after === 'boolean') {
      after = 0;
    }
    return setTimeout(function() {
      var stillActive, _j, _len1, _ref2, _ref3, _results;
      if (type === 'socket') {
        stillActive = request.readyState < 2;
      } else {
        stillActive = (0 < (_ref2 = request.readyState) && _ref2 < 4);
      }
      if (stillActive) {
        Pace.restart();
        _ref3 = Pace.sources;
        _results = [];
        for (_j = 0, _len1 = _ref3.length; _j < _len1; _j++) {
          source = _ref3[_j];
          if (source instanceof AjaxMonitor) {
            source.watch.apply(source, args);
            break;
          } else {
            _results.push(void 0);
          }
        }
        return _results;
      }
    }, after);
  }
});

AjaxMonitor = (function() {
  function AjaxMonitor() {
    var _this = this;
    this.elements = [];
    getIntercept().on('request', function() {
      return _this.watch.apply(_this, arguments);
    });
  }

  AjaxMonitor.prototype.watch = function(_arg) {
    var request, tracker, type, url;
    type = _arg.type, request = _arg.request, url = _arg.url;
    if (shouldIgnoreURL(url)) {
      return;
    }
    if (type === 'socket') {
      tracker = new SocketRequestTracker(request);
    } else {
      tracker = new XHRRequestTracker(request);
    }
    return this.elements.push(tracker);
  };

  return AjaxMonitor;

})();

XHRRequestTracker = (function() {
  function XHRRequestTracker(request) {
    var event, size, _j, _len1, _onreadystatechange, _ref2,
      _this = this;
    this.progress = 0;
    if (window.ProgressEvent != null) {
      size = null;
      request.addEventListener('progress', function(evt) {
        if (evt.lengthComputable) {
          return _this.progress = 100 * evt.loaded / evt.total;
        } else {
          return _this.progress = _this.progress + (100 - _this.progress) / 2;
        }
      }, false);
      _ref2 = ['load', 'abort', 'timeout', 'error'];
      for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
        event = _ref2[_j];
        request.addEventListener(event, function() {
          return _this.progress = 100;
        }, false);
      }
    } else {
      _onreadystatechange = request.onreadystatechange;
      request.onreadystatechange = function() {
        var _ref3;
        if ((_ref3 = request.readyState) === 0 || _ref3 === 4) {
          _this.progress = 100;
        } else if (request.readyState === 3) {
          _this.progress = 50;
        }
        return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0;
      };
    }
  }

  return XHRRequestTracker;

})();

SocketRequestTracker = (function() {
  function SocketRequestTracker(request) {
    var event, _j, _len1, _ref2,
      _this = this;
    this.progress = 0;
    _ref2 = ['error', 'open'];
    for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
      event = _ref2[_j];
      request.addEventListener(event, function() {
        return _this.progress = 100;
      }, false);
    }
  }

  return SocketRequestTracker;

})();

ElementMonitor = (function() {
  function ElementMonitor(options) {
    var selector, _j, _len1, _ref2;
    if (options == null) {
      options = {};
    }
    this.elements = [];
    if (options.selectors == null) {
      options.selectors = [];
    }
    _ref2 = options.selectors;
    for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
      selector = _ref2[_j];
      this.elements.push(new ElementTracker(selector));
    }
  }

  return ElementMonitor;

})();

ElementTracker = (function() {
  function ElementTracker(selector) {
    this.selector = selector;
    this.progress = 0;
    this.check();
  }

  ElementTracker.prototype.check = function() {
    var _this = this;
    if (document.querySelector(this.selector)) {
      return this.done();
    } else {
      return setTimeout((function() {
        return _this.check();
      }), options.elements.checkInterval);
    }
  };

  ElementTracker.prototype.done = function() {
    return this.progress = 100;
  };

  return ElementTracker;

})();

DocumentMonitor = (function() {
  DocumentMonitor.prototype.states = {
    loading: 0,
    interactive: 50,
    complete: 100
  };

  function DocumentMonitor() {
    var _onreadystatechange, _ref2,
      _this = this;
    this.progress = (_ref2 = this.states[document.readyState]) != null ? _ref2 : 100;
    _onreadystatechange = document.onreadystatechange;
    document.onreadystatechange = function() {
      if (_this.states[document.readyState] != null) {
        _this.progress = _this.states[document.readyState];
      }
      return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0;
    };
  }

  return DocumentMonitor;

})();

EventLagMonitor = (function() {
  function EventLagMonitor() {
    var avg, interval, last, points, samples,
      _this = this;
    this.progress = 0;
    avg = 0;
    samples = [];
    points = 0;
    last = now();
    interval = setInterval(function() {
      var diff;
      diff = now() - last - 50;
      last = now();
      samples.push(diff);
      if (samples.length > options.eventLag.sampleCount) {
        samples.shift();
      }
      avg = avgAmplitude(samples);
      if (++points >= options.eventLag.minSamples && avg < options.eventLag.lagThreshold) {
        _this.progress = 100;
        return clearInterval(interval);
      } else {
        return _this.progress = 100 * (3 / (avg + 3));
      }
    }, 50);
  }

  return EventLagMonitor;

})();

Scaler = (function() {
  function Scaler(source) {
    this.source = source;
    this.last = this.sinceLastUpdate = 0;
    this.rate = options.initialRate;
    this.catchup = 0;
    this.progress = this.lastProgress = 0;
    if (this.source != null) {
      this.progress = result(this.source, 'progress');
    }
  }

  Scaler.prototype.tick = function(frameTime, val) {
    var scaling;
    if (val == null) {
      val = result(this.source, 'progress');
    }
    if (val >= 100) {
      this.done = true;
    }
    if (val === this.last) {
      this.sinceLastUpdate += frameTime;
    } else {
      if (this.sinceLastUpdate) {
        this.rate = (val - this.last) / this.sinceLastUpdate;
      }
      this.catchup = (val - this.progress) / options.catchupTime;
      this.sinceLastUpdate = 0;
      this.last = val;
    }
    if (val > this.progress) {
      this.progress += this.catchup * frameTime;
    }
    scaling = 1 - Math.pow(this.progress / 100, options.easeFactor);
    this.progress += scaling * this.rate * frameTime;
    this.progress = Math.min(this.lastProgress + options.maxProgressPerFrame, this.progress);
    this.progress = Math.max(0, this.progress);
    this.progress = Math.min(100, this.progress);
    this.lastProgress = this.progress;
    return this.progress;
  };

  return Scaler;

})();

sources = null;

scalers = null;

bar = null;

uniScaler = null;

animation = null;

cancelAnimation = null;

Pace.running = false;

handlePushState = function() {
  if (options.restartOnPushState) {
    return Pace.restart();
  }
};

if (window.history.pushState != null) {
  _pushState = window.history.pushState;
  window.history.pushState = function() {
    handlePushState();
    return _pushState.apply(window.history, arguments);
  };
}

if (window.history.replaceState != null) {
  _replaceState = window.history.replaceState;
  window.history.replaceState = function() {
    handlePushState();
    return _replaceState.apply(window.history, arguments);
  };
}

SOURCE_KEYS = {
  ajax: AjaxMonitor,
  elements: ElementMonitor,
  document: DocumentMonitor,
  eventLag: EventLagMonitor
};

(init = function() {
  var type, _j, _k, _len1, _len2, _ref2, _ref3, _ref4;
  Pace.sources = sources = [];
  _ref2 = ['ajax', 'elements', 'document', 'eventLag'];
  for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
    type = _ref2[_j];
    if (options[type] !== false) {
      sources.push(new SOURCE_KEYS[type](options[type]));
    }
  }
  _ref4 = (_ref3 = options.extraSources) != null ? _ref3 : [];
  for (_k = 0, _len2 = _ref4.length; _k < _len2; _k++) {
    source = _ref4[_k];
    sources.push(new source(options));
  }
  Pace.bar = bar = new Bar;
  scalers = [];
  return uniScaler = new Scaler;
})();

Pace.stop = function() {
  Pace.trigger('stop');
  Pace.running = false;
  bar.destroy();
  cancelAnimation = true;
  if (animation != null) {
    if (typeof cancelAnimationFrame === "function") {
      cancelAnimationFrame(animation);
    }
    animation = null;
  }
  return init();
};

Pace.restart = function() {
  Pace.trigger('restart');
  Pace.stop();
  return Pace.start();
};

Pace.go = function() {
  var start;
  Pace.running = true;
  bar.render();
  start = now();
  cancelAnimation = false;
  return animation = runAnimation(function(frameTime, enqueueNextFrame) {
    var avg, count, done, element, elements, i, j, remaining, scaler, scalerList, sum, _j, _k, _len1, _len2, _ref2;
    remaining = 100 - bar.progress;
    count = sum = 0;
    done = true;
    for (i = _j = 0, _len1 = sources.length; _j < _len1; i = ++_j) {
      source = sources[i];
      scalerList = scalers[i] != null ? scalers[i] : scalers[i] = [];
      elements = (_ref2 = source.elements) != null ? _ref2 : [source];
      for (j = _k = 0, _len2 = elements.length; _k < _len2; j = ++_k) {
        element = elements[j];
        scaler = scalerList[j] != null ? scalerList[j] : scalerList[j] = new Scaler(element);
        done &= scaler.done;
        if (scaler.done) {
          continue;
        }
        count++;
        sum += scaler.tick(frameTime);
      }
    }
    avg = sum / count;
    bar.update(uniScaler.tick(frameTime, avg));
    if (bar.done() || done || cancelAnimation) {
      bar.update(100);
      Pace.trigger('done');
      return setTimeout(function() {
        bar.finish();
        Pace.running = false;
        return Pace.trigger('hide');
      }, Math.max(options.ghostTime, Math.max(options.minTime - (now() - start), 0)));
    } else {
      return enqueueNextFrame();
    }
  });
};

Pace.start = function(_options) {
  extend(options, _options);
  Pace.running = true;
  try {
    bar.render();
  } catch (_error) {
    NoTargetError = _error;
  }
  if (!document.querySelector('.pace')) {
    return setTimeout(Pace.start, 50);
  } else {
    Pace.trigger('start');
    return Pace.go();
  }
};

if (typeof define === 'function' && define.amd) {
  define(['pace'], function() {
    return Pace;
  });
} else if (typeof exports === 'object') {
  module.exports = Pace;
} else {
  if (options.startOnPageLoad) {
    Pace.start();
  }
}

}).call(this);