public/admin/plugins/pace/pace.js in admin-sys-1.0.2 vs public/admin/plugins/pace/pace.js in admin-sys-1.1.0
- old
+ new
@@ -1,935 +1,935 @@
-(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);
+(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);