BBnepal-Accounts/account/plugins/pace-progress/pace.js
Sampanna Rimal 9cd05ef3cb commitall
2024-07-10 18:28:19 +05:45

947 lines
26 KiB
JavaScript

(function() {
var AjaxMonitor, Bar, DocumentMonitor, ElementMonitor, ElementTracker, EventLagMonitor, Evented, Events, NoTargetError, Pace, RequestIntercept, SOURCE_KEYS, Scaler, SocketRequestTracker, XHRRequestTracker, _WebSocket, _XDomainRequest, _XMLHttpRequest, _intercept, _pushState, _replaceState, animation, avgAmplitude, bar, cancelAnimation, cancelAnimationFrame, defaultOptions, extend, extendNative, getFromDOM, getIntercept, handlePushState, ignoreStack, init, k, len, now, options, ref, requestAnimationFrame, result, runAnimation, scalers, shouldIgnoreURL, shouldTrack, source, sources, uniScaler,
slice = [].slice,
hasProp = {}.hasOwnProperty,
extend1 = 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 k, key, len, out, source, sources, val;
out = arguments[0], sources = 2 <= arguments.length ? slice.call(arguments, 1) : [];
for (k = 0, len = sources.length; k < len; k++) {
source = sources[k];
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, k, len, sum, v;
sum = count = 0;
for (k = 0, len = arr.length; k < len; k++) {
v = arr[k];
sum += Math.abs(v);
count++;
}
return sum / count;
};
getFromDOM = function(key, json) {
var data, e, el, error;
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 (k = 0, len = ref.length; k < len; k++) {
source = ref[k];
if (options[source] === true) {
options[source] = defaultOptions[source];
}
}
NoTargetError = (function(superClass) {
extend1(NoTargetError, superClass);
function NoTargetError() {
return NoTargetError.__super__.constructor.apply(this, arguments);
}
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.classList.add('pace');
this.el.classList.add('pace-active');
document.body.classList.remove('pace-done');
document.body.classList.add('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.classList.remove('pace-active');
el.classList.add('pace-inactive');
document.body.classList.remove('pace-running');
return document.body.classList.add('pace-done');
};
Bar.prototype.update = function(prog) {
this.progress = prog;
return this.render();
};
Bar.prototype.destroy = function() {
var error;
try {
this.getElement().parentNode.removeChild(this.getElement());
} catch (error) {
NoTargetError = error;
}
return this.el = void 0;
};
Bar.prototype.render = function() {
var el, key, l, len1, progressStr, ref1, transform;
if (document.querySelector(options.target) == null) {
return false;
}
el = this.getElement();
transform = "translate3d(" + this.progress + "%, 0, 0)";
ref1 = ['webkitTransform', 'msTransform', 'transform'];
for (l = 0, len1 = ref1.length; l < len1; l++) {
key = ref1[l];
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, l, len1, ref1, results;
if (this.bindings[name] != null) {
ref1 = this.bindings[name];
results = [];
for (l = 0, len1 = ref1.length; l < len1; l++) {
binding = ref1[l];
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, error, 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 ref1;
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 (ref1 = method.toUpperCase(), indexOf.call(options.ajax.trackMethods, ref1) >= 0) {
return true;
}
}
return false;
};
RequestIntercept = (function(superClass) {
extend1(RequestIntercept, superClass);
function RequestIntercept() {
var monitorXHR;
RequestIntercept.__super__.constructor.apply(this, arguments);
monitorXHR = (function(_this) {
return 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);
};
};
})(this);
window.XMLHttpRequest = function(flags) {
var req;
req = new _XMLHttpRequest(flags);
monitorXHR(req);
return req;
};
try {
extendNative(window.XMLHttpRequest, _XMLHttpRequest);
} catch (undefined) {}
if (_XDomainRequest != null) {
window.XDomainRequest = function() {
var req;
req = new _XDomainRequest;
monitorXHR(req);
return req;
};
try {
extendNative(window.XDomainRequest, _XDomainRequest);
} catch (undefined) {}
}
if ((_WebSocket != null) && options.ajax.trackWebSockets) {
window.WebSocket = (function(_this) {
return 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;
};
})(this);
try {
extendNative(window.WebSocket, _WebSocket);
} catch (undefined) {}
}
}
return RequestIntercept;
})(Events);
_intercept = null;
getIntercept = function() {
if (_intercept == null) {
_intercept = new RequestIntercept;
}
return _intercept;
};
shouldIgnoreURL = function(url) {
var l, len1, pattern, ref1;
ref1 = options.ajax.ignoreURLs;
for (l = 0, len1 = ref1.length; l < len1; l++) {
pattern = ref1[l];
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 l, len1, ref1, ref2, results, stillActive;
if (type === 'socket') {
stillActive = request.readyState < 2;
} else {
stillActive = (0 < (ref1 = request.readyState) && ref1 < 4);
}
if (stillActive) {
Pace.restart();
ref2 = Pace.sources;
results = [];
for (l = 0, len1 = ref2.length; l < len1; l++) {
source = ref2[l];
if (source instanceof AjaxMonitor) {
source.watch.apply(source, args);
break;
} else {
results.push(void 0);
}
}
return results;
}
}, after);
}
});
AjaxMonitor = (function() {
function AjaxMonitor() {
this.elements = [];
getIntercept().on('request', (function(_this) {
return function() {
return _this.watch.apply(_this, arguments);
};
})(this));
}
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 _onreadystatechange, event, l, len1, ref1, size;
this.progress = 0;
if (window.ProgressEvent != null) {
size = null;
request.addEventListener('progress', (function(_this) {
return function(evt) {
if (evt.lengthComputable) {
return _this.progress = 100 * evt.loaded / evt.total;
} else {
return _this.progress = _this.progress + (100 - _this.progress) / 2;
}
};
})(this), false);
ref1 = ['load', 'abort', 'timeout', 'error'];
for (l = 0, len1 = ref1.length; l < len1; l++) {
event = ref1[l];
request.addEventListener(event, (function(_this) {
return function() {
return _this.progress = 100;
};
})(this), false);
}
} else {
_onreadystatechange = request.onreadystatechange;
request.onreadystatechange = (function(_this) {
return function() {
var ref2;
if ((ref2 = request.readyState) === 0 || ref2 === 4) {
_this.progress = 100;
} else if (request.readyState === 3) {
_this.progress = 50;
}
return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0;
};
})(this);
}
}
return XHRRequestTracker;
})();
SocketRequestTracker = (function() {
function SocketRequestTracker(request) {
var event, l, len1, ref1;
this.progress = 0;
ref1 = ['error', 'open'];
for (l = 0, len1 = ref1.length; l < len1; l++) {
event = ref1[l];
request.addEventListener(event, (function(_this) {
return function() {
return _this.progress = 100;
};
})(this), false);
}
}
return SocketRequestTracker;
})();
ElementMonitor = (function() {
function ElementMonitor(options) {
var l, len1, ref1, selector;
if (options == null) {
options = {};
}
this.elements = [];
if (options.selectors == null) {
options.selectors = [];
}
ref1 = options.selectors;
for (l = 0, len1 = ref1.length; l < len1; l++) {
selector = ref1[l];
this.elements.push(new ElementTracker(selector));
}
}
return ElementMonitor;
})();
ElementTracker = (function() {
function ElementTracker(selector1) {
this.selector = selector1;
this.progress = 0;
this.check();
}
ElementTracker.prototype.check = function() {
if (document.querySelector(this.selector)) {
return this.done();
} else {
return setTimeout(((function(_this) {
return function() {
return _this.check();
};
})(this)), 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, ref1;
this.progress = (ref1 = this.states[document.readyState]) != null ? ref1 : 100;
_onreadystatechange = document.onreadystatechange;
document.onreadystatechange = (function(_this) {
return function() {
if (_this.states[document.readyState] != null) {
_this.progress = _this.states[document.readyState];
}
return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0;
};
})(this);
}
return DocumentMonitor;
})();
EventLagMonitor = (function() {
function EventLagMonitor() {
var avg, interval, last, points, samples;
this.progress = 0;
avg = 0;
samples = [];
points = 0;
last = now();
interval = setInterval((function(_this) {
return 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));
}
};
})(this), 50);
}
return EventLagMonitor;
})();
Scaler = (function() {
function Scaler(source1) {
this.source = source1;
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 l, len1, len2, m, ref1, ref2, ref3, type;
Pace.sources = sources = [];
ref1 = ['ajax', 'elements', 'document', 'eventLag'];
for (l = 0, len1 = ref1.length; l < len1; l++) {
type = ref1[l];
if (options[type] !== false) {
sources.push(new SOURCE_KEYS[type](options[type]));
}
}
ref3 = (ref2 = options.extraSources) != null ? ref2 : [];
for (m = 0, len2 = ref3.length; m < len2; m++) {
source = ref3[m];
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, l, len1, len2, m, ref1, remaining, scaler, scalerList, sum;
remaining = 100 - bar.progress;
count = sum = 0;
done = true;
for (i = l = 0, len1 = sources.length; l < len1; i = ++l) {
source = sources[i];
scalerList = scalers[i] != null ? scalers[i] : scalers[i] = [];
elements = (ref1 = source.elements) != null ? ref1 : [source];
for (j = m = 0, len2 = elements.length; m < len2; j = ++m) {
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) {
var error;
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 exports === 'object') {
module.exports = Pace;
}
if (options.startOnPageLoad) {
Pace.start();
}
}).call(this);