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Created March 8, 2018 22:24
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Pace.js test
Raw
index.html
<!DOCTYPE HTML>
<html lang=en>
<head>
<title>Pace.js demo</title>
<link rel="stylesheet" href="pace-theme-loading-bar.css" />
</head>
<body>
<h1>Pace.js demo</h1>
<script src="pace.js"></script>
</body>
</html>
Raw
pace-theme-loading-bar.css
/* This is a compiled file, you should be editing the file in the templates directory */
.pace {
-webkit-pointer-events: none;
pointer-events: none;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-ms-box-sizing: border-box;
-o-box-sizing: border-box;
box-sizing: border-box;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
border-radius: 10px;
-webkit-background-clip: padding-box;
-moz-background-clip: padding;
background-clip: padding-box;
z-index: 2000;
position: fixed;
margin: auto;
top: 12px;
left: 0;
right: 0;
bottom: 0;
width: 200px;
height: 50px;
overflow: hidden;
}
.pace .pace-progress {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-ms-box-sizing: border-box;
-o-box-sizing: border-box;
box-sizing: border-box;
-webkit-border-radius: 2px;
-moz-border-radius: 2px;
border-radius: 2px;
-webkit-background-clip: padding-box;
-moz-background-clip: padding;
background-clip: padding-box;
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
display: block;
position: absolute;
right: 100%;
margin-right: -7px;
width: 93%;
top: 7px;
height: 14px;
font-size: 12px;
background: #000000;
color: #000000;
line-height: 60px;
font-weight: bold;
font-family: Helvetica, Arial, "Lucida Grande", sans-serif;
-webkit-box-shadow: 120px 0 #fff, 240px 0 #fff;
-ms-box-shadow: 120px 0 #fff, 240px 0 #fff;
box-shadow: 120px 0 #fff, 240px 0 #fff;
}
.pace .pace-progress:after {
content: attr(data-progress-text);
display: inline-block;
position: fixed;
width: 45px;
text-align: right;
right: 0;
padding-right: 16px;
top: 4px;
}
.pace .pace-progress[data-progress-text="0%"]:after { right: -200px }
.pace .pace-progress[data-progress-text="1%"]:after { right: -198.14px }
.pace .pace-progress[data-progress-text="2%"]:after { right: -196.28px }
.pace .pace-progress[data-progress-text="3%"]:after { right: -194.42px }
.pace .pace-progress[data-progress-text="4%"]:after { right: -192.56px }
.pace .pace-progress[data-progress-text="5%"]:after { right: -190.7px }
.pace .pace-progress[data-progress-text="6%"]:after { right: -188.84px }
.pace .pace-progress[data-progress-text="7%"]:after { right: -186.98px }
.pace .pace-progress[data-progress-text="8%"]:after { right: -185.12px }
.pace .pace-progress[data-progress-text="9%"]:after { right: -183.26px }
.pace .pace-progress[data-progress-text="10%"]:after { right: -181.4px }
.pace .pace-progress[data-progress-text="11%"]:after { right: -179.54px }
.pace .pace-progress[data-progress-text="12%"]:after { right: -177.68px }
.pace .pace-progress[data-progress-text="13%"]:after { right: -175.82px }
.pace .pace-progress[data-progress-text="14%"]:after { right: -173.96px }
.pace .pace-progress[data-progress-text="15%"]:after { right: -172.1px }
.pace .pace-progress[data-progress-text="16%"]:after { right: -170.24px }
.pace .pace-progress[data-progress-text="17%"]:after { right: -168.38px }
.pace .pace-progress[data-progress-text="18%"]:after { right: -166.52px }
.pace .pace-progress[data-progress-text="19%"]:after { right: -164.66px }
.pace .pace-progress[data-progress-text="20%"]:after { right: -162.8px }
.pace .pace-progress[data-progress-text="21%"]:after { right: -160.94px }
.pace .pace-progress[data-progress-text="22%"]:after { right: -159.08px }
.pace .pace-progress[data-progress-text="23%"]:after { right: -157.22px }
.pace .pace-progress[data-progress-text="24%"]:after { right: -155.36px }
.pace .pace-progress[data-progress-text="25%"]:after { right: -153.5px }
.pace .pace-progress[data-progress-text="26%"]:after { right: -151.64px }
.pace .pace-progress[data-progress-text="27%"]:after { right: -149.78px }
.pace .pace-progress[data-progress-text="28%"]:after { right: -147.92px }
.pace .pace-progress[data-progress-text="29%"]:after { right: -146.06px }
.pace .pace-progress[data-progress-text="30%"]:after { right: -144.2px }
.pace .pace-progress[data-progress-text="31%"]:after { right: -142.34px }
.pace .pace-progress[data-progress-text="32%"]:after { right: -140.48px }
.pace .pace-progress[data-progress-text="33%"]:after { right: -138.62px }
.pace .pace-progress[data-progress-text="34%"]:after { right: -136.76px }
.pace .pace-progress[data-progress-text="35%"]:after { right: -134.9px }
.pace .pace-progress[data-progress-text="36%"]:after { right: -133.04px }
.pace .pace-progress[data-progress-text="37%"]:after { right: -131.18px }
.pace .pace-progress[data-progress-text="38%"]:after { right: -129.32px }
.pace .pace-progress[data-progress-text="39%"]:after { right: -127.46px }
.pace .pace-progress[data-progress-text="40%"]:after { right: -125.6px }
.pace .pace-progress[data-progress-text="41%"]:after { right: -123.74px }
.pace .pace-progress[data-progress-text="42%"]:after { right: -121.88px }
.pace .pace-progress[data-progress-text="43%"]:after { right: -120.02px }
.pace .pace-progress[data-progress-text="44%"]:after { right: -118.16px }
.pace .pace-progress[data-progress-text="45%"]:after { right: -116.3px }
.pace .pace-progress[data-progress-text="46%"]:after { right: -114.44px }
.pace .pace-progress[data-progress-text="47%"]:after { right: -112.58px }
.pace .pace-progress[data-progress-text="48%"]:after { right: -110.72px }
.pace .pace-progress[data-progress-text="49%"]:after { right: -108.86px }
.pace .pace-progress[data-progress-text="50%"]:after { right: -107px }
.pace .pace-progress[data-progress-text="51%"]:after { right: -105.14px }
.pace .pace-progress[data-progress-text="52%"]:after { right: -103.28px }
.pace .pace-progress[data-progress-text="53%"]:after { right: -101.42px }
.pace .pace-progress[data-progress-text="54%"]:after { right: -99.56px }
.pace .pace-progress[data-progress-text="55%"]:after { right: -97.7px }
.pace .pace-progress[data-progress-text="56%"]:after { right: -95.84px }
.pace .pace-progress[data-progress-text="57%"]:after { right: -93.98px }
.pace .pace-progress[data-progress-text="58%"]:after { right: -92.12px }
.pace .pace-progress[data-progress-text="59%"]:after { right: -90.26px }
.pace .pace-progress[data-progress-text="60%"]:after { right: -88.4px }
.pace .pace-progress[data-progress-text="61%"]:after { right: -86.53999999999999px }
.pace .pace-progress[data-progress-text="62%"]:after { right: -84.68px }
.pace .pace-progress[data-progress-text="63%"]:after { right: -82.82px }
.pace .pace-progress[data-progress-text="64%"]:after { right: -80.96000000000001px }
.pace .pace-progress[data-progress-text="65%"]:after { right: -79.1px }
.pace .pace-progress[data-progress-text="66%"]:after { right: -77.24px }
.pace .pace-progress[data-progress-text="67%"]:after { right: -75.38px }
.pace .pace-progress[data-progress-text="68%"]:after { right: -73.52px }
.pace .pace-progress[data-progress-text="69%"]:after { right: -71.66px }
.pace .pace-progress[data-progress-text="70%"]:after { right: -69.8px }
.pace .pace-progress[data-progress-text="71%"]:after { right: -67.94px }
.pace .pace-progress[data-progress-text="72%"]:after { right: -66.08px }
.pace .pace-progress[data-progress-text="73%"]:after { right: -64.22px }
.pace .pace-progress[data-progress-text="74%"]:after { right: -62.36px }
.pace .pace-progress[data-progress-text="75%"]:after { right: -60.5px }
.pace .pace-progress[data-progress-text="76%"]:after { right: -58.64px }
.pace .pace-progress[data-progress-text="77%"]:after { right: -56.78px }
.pace .pace-progress[data-progress-text="78%"]:after { right: -54.92px }
.pace .pace-progress[data-progress-text="79%"]:after { right: -53.06px }
.pace .pace-progress[data-progress-text="80%"]:after { right: -51.2px }
.pace .pace-progress[data-progress-text="81%"]:after { right: -49.34px }
.pace .pace-progress[data-progress-text="82%"]:after { right: -47.480000000000004px }
.pace .pace-progress[data-progress-text="83%"]:after { right: -45.62px }
.pace .pace-progress[data-progress-text="84%"]:after { right: -43.76px }
.pace .pace-progress[data-progress-text="85%"]:after { right: -41.9px }
.pace .pace-progress[data-progress-text="86%"]:after { right: -40.04px }
.pace .pace-progress[data-progress-text="87%"]:after { right: -38.18px }
.pace .pace-progress[data-progress-text="88%"]:after { right: -36.32px }
.pace .pace-progress[data-progress-text="89%"]:after { right: -34.46px }
.pace .pace-progress[data-progress-text="90%"]:after { right: -32.6px }
.pace .pace-progress[data-progress-text="91%"]:after { right: -30.740000000000002px }
.pace .pace-progress[data-progress-text="92%"]:after { right: -28.880000000000003px }
.pace .pace-progress[data-progress-text="93%"]:after { right: -27.02px }
.pace .pace-progress[data-progress-text="94%"]:after { right: -25.16px }
.pace .pace-progress[data-progress-text="95%"]:after { right: -23.3px }
.pace .pace-progress[data-progress-text="96%"]:after { right: -21.439999999999998px }
.pace .pace-progress[data-progress-text="97%"]:after { right: -19.58px }
.pace .pace-progress[data-progress-text="98%"]:after { right: -17.72px }
.pace .pace-progress[data-progress-text="99%"]:after { right: -15.86px }
.pace .pace-progress[data-progress-text="100%"]:after { right: -14px }
.pace .pace-activity {
position: absolute;
width: 100%;
height: 28px;
z-index: 2001;
box-shadow: inset 0 0 0 2px #000000, inset 0 0 0 7px #FFF;
border-radius: 10px;
}
.pace.pace-inactive {
display: none;
}
Raw
pace.js
(function() {
var AjaxMonitor, Bar, DocumentMonitor, ElementMonitor, ElementTracker, EventLagMonitor, Evented, Events, NoTargetError, Pace, RequestIntercept, SOURCE_KEYS, Scaler, SocketRequestTracker, XHRRequestTracker, animation, avgAmplitude, bar, cancelAnimation, defaultOptions, extend, extendNative, getFromDOM, getIntercept, handlePushState, ignoreStack, init, now, options, 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
}
};
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);
};
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;
};
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 = {
eventLag: EventLagMonitor
};
(init = function() {
var type, _j, _k, _len1, _len2, _ref2, _ref3, _ref4;
Pace.sources = sources = [];
_ref2 = ['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) {
console.log('frameTime', frameTime)
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);
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