947 lines
26 KiB
JavaScript
947 lines
26 KiB
JavaScript
(function() {
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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,
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slice = [].slice,
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hasProp = {}.hasOwnProperty,
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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; },
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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; };
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defaultOptions = {
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catchupTime: 100,
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initialRate: .03,
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minTime: 250,
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ghostTime: 100,
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maxProgressPerFrame: 20,
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easeFactor: 1.25,
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startOnPageLoad: true,
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restartOnPushState: true,
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restartOnRequestAfter: 500,
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target: 'body',
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elements: {
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checkInterval: 100,
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selectors: ['body']
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},
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eventLag: {
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minSamples: 10,
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sampleCount: 3,
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lagThreshold: 3
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},
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ajax: {
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trackMethods: ['GET'],
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trackWebSockets: true,
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ignoreURLs: []
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}
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};
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now = function() {
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var ref;
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return (ref = typeof performance !== "undefined" && performance !== null ? typeof performance.now === "function" ? performance.now() : void 0 : void 0) != null ? ref : +(new Date);
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};
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requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
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cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame;
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if (requestAnimationFrame == null) {
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requestAnimationFrame = function(fn) {
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return setTimeout(fn, 50);
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};
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cancelAnimationFrame = function(id) {
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return clearTimeout(id);
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};
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}
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runAnimation = function(fn) {
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var last, tick;
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last = now();
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tick = function() {
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var diff;
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diff = now() - last;
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if (diff >= 33) {
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last = now();
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return fn(diff, function() {
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return requestAnimationFrame(tick);
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});
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} else {
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return setTimeout(tick, 33 - diff);
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}
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};
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return tick();
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};
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result = function() {
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var args, key, obj;
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obj = arguments[0], key = arguments[1], args = 3 <= arguments.length ? slice.call(arguments, 2) : [];
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if (typeof obj[key] === 'function') {
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return obj[key].apply(obj, args);
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} else {
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return obj[key];
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}
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};
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extend = function() {
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var k, key, len, out, source, sources, val;
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out = arguments[0], sources = 2 <= arguments.length ? slice.call(arguments, 1) : [];
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for (k = 0, len = sources.length; k < len; k++) {
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source = sources[k];
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if (source) {
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for (key in source) {
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if (!hasProp.call(source, key)) continue;
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val = source[key];
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if ((out[key] != null) && typeof out[key] === 'object' && (val != null) && typeof val === 'object') {
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extend(out[key], val);
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} else {
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out[key] = val;
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}
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}
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}
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}
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return out;
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};
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avgAmplitude = function(arr) {
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var count, k, len, sum, v;
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sum = count = 0;
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for (k = 0, len = arr.length; k < len; k++) {
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v = arr[k];
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sum += Math.abs(v);
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count++;
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}
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return sum / count;
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};
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getFromDOM = function(key, json) {
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var data, e, el, error;
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if (key == null) {
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key = 'options';
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}
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if (json == null) {
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json = true;
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}
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el = document.querySelector("[data-pace-" + key + "]");
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if (!el) {
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return;
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}
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data = el.getAttribute("data-pace-" + key);
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if (!json) {
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return data;
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}
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try {
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return JSON.parse(data);
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} catch (error) {
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e = error;
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return typeof console !== "undefined" && console !== null ? console.error("Error parsing inline pace options", e) : void 0;
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}
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};
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Evented = (function() {
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function Evented() {}
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Evented.prototype.on = function(event, handler, ctx, once) {
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var base;
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if (once == null) {
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once = false;
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}
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if (this.bindings == null) {
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this.bindings = {};
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}
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if ((base = this.bindings)[event] == null) {
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base[event] = [];
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}
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return this.bindings[event].push({
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handler: handler,
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ctx: ctx,
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once: once
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});
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};
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Evented.prototype.once = function(event, handler, ctx) {
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return this.on(event, handler, ctx, true);
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};
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Evented.prototype.off = function(event, handler) {
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var i, ref, results;
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if (((ref = this.bindings) != null ? ref[event] : void 0) == null) {
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return;
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}
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if (handler == null) {
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return delete this.bindings[event];
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} else {
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i = 0;
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results = [];
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while (i < this.bindings[event].length) {
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if (this.bindings[event][i].handler === handler) {
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results.push(this.bindings[event].splice(i, 1));
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} else {
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results.push(i++);
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}
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}
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return results;
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}
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};
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Evented.prototype.trigger = function() {
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var args, ctx, event, handler, i, once, ref, ref1, results;
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event = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
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if ((ref = this.bindings) != null ? ref[event] : void 0) {
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i = 0;
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results = [];
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while (i < this.bindings[event].length) {
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ref1 = this.bindings[event][i], handler = ref1.handler, ctx = ref1.ctx, once = ref1.once;
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handler.apply(ctx != null ? ctx : this, args);
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if (once) {
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results.push(this.bindings[event].splice(i, 1));
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} else {
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results.push(i++);
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}
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}
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return results;
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}
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};
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return Evented;
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})();
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Pace = window.Pace || {};
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window.Pace = Pace;
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extend(Pace, Evented.prototype);
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options = Pace.options = extend({}, defaultOptions, window.paceOptions, getFromDOM());
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ref = ['ajax', 'document', 'eventLag', 'elements'];
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for (k = 0, len = ref.length; k < len; k++) {
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source = ref[k];
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if (options[source] === true) {
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options[source] = defaultOptions[source];
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}
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}
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NoTargetError = (function(superClass) {
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extend1(NoTargetError, superClass);
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function NoTargetError() {
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return NoTargetError.__super__.constructor.apply(this, arguments);
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}
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return NoTargetError;
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})(Error);
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Bar = (function() {
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function Bar() {
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this.progress = 0;
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}
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Bar.prototype.getElement = function() {
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var targetElement;
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if (this.el == null) {
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targetElement = document.querySelector(options.target);
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if (!targetElement) {
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throw new NoTargetError;
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}
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this.el = document.createElement('div');
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this.el.classList.add('pace');
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this.el.classList.add('pace-active');
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document.body.classList.remove('pace-done');
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document.body.classList.add('pace-running');
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this.el.innerHTML = '<div class="pace-progress">\n <div class="pace-progress-inner"></div>\n</div>\n<div class="pace-activity"></div>';
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if (targetElement.firstChild != null) {
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targetElement.insertBefore(this.el, targetElement.firstChild);
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} else {
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targetElement.appendChild(this.el);
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}
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}
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return this.el;
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};
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Bar.prototype.finish = function() {
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var el;
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el = this.getElement();
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el.classList.remove('pace-active');
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el.classList.add('pace-inactive');
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document.body.classList.remove('pace-running');
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return document.body.classList.add('pace-done');
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};
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Bar.prototype.update = function(prog) {
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this.progress = prog;
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return this.render();
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};
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Bar.prototype.destroy = function() {
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var error;
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try {
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this.getElement().parentNode.removeChild(this.getElement());
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} catch (error) {
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NoTargetError = error;
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}
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return this.el = void 0;
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};
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Bar.prototype.render = function() {
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var el, key, l, len1, progressStr, ref1, transform;
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if (document.querySelector(options.target) == null) {
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return false;
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}
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el = this.getElement();
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transform = "translate3d(" + this.progress + "%, 0, 0)";
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ref1 = ['webkitTransform', 'msTransform', 'transform'];
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for (l = 0, len1 = ref1.length; l < len1; l++) {
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key = ref1[l];
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el.children[0].style[key] = transform;
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}
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if (!this.lastRenderedProgress || this.lastRenderedProgress | 0 !== this.progress | 0) {
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el.children[0].setAttribute('data-progress-text', (this.progress | 0) + "%");
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if (this.progress >= 100) {
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progressStr = '99';
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} else {
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progressStr = this.progress < 10 ? "0" : "";
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progressStr += this.progress | 0;
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}
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el.children[0].setAttribute('data-progress', "" + progressStr);
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}
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return this.lastRenderedProgress = this.progress;
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};
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Bar.prototype.done = function() {
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return this.progress >= 100;
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};
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return Bar;
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})();
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Events = (function() {
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function Events() {
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this.bindings = {};
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}
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Events.prototype.trigger = function(name, val) {
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var binding, l, len1, ref1, results;
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if (this.bindings[name] != null) {
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ref1 = this.bindings[name];
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results = [];
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for (l = 0, len1 = ref1.length; l < len1; l++) {
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binding = ref1[l];
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results.push(binding.call(this, val));
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}
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return results;
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}
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};
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Events.prototype.on = function(name, fn) {
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var base;
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if ((base = this.bindings)[name] == null) {
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base[name] = [];
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}
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return this.bindings[name].push(fn);
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};
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return Events;
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})();
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_XMLHttpRequest = window.XMLHttpRequest;
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_XDomainRequest = window.XDomainRequest;
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_WebSocket = window.WebSocket;
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extendNative = function(to, from) {
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var e, error, key, results;
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results = [];
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for (key in from.prototype) {
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try {
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if ((to[key] == null) && typeof from[key] !== 'function') {
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if (typeof Object.defineProperty === 'function') {
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results.push(Object.defineProperty(to, key, {
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get: function() {
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return from.prototype[key];
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},
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configurable: true,
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enumerable: true
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}));
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} else {
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results.push(to[key] = from.prototype[key]);
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}
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} else {
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results.push(void 0);
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}
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} catch (error) {
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e = error;
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}
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}
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return results;
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};
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ignoreStack = [];
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Pace.ignore = function() {
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var args, fn, ret;
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fn = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
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ignoreStack.unshift('ignore');
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ret = fn.apply(null, args);
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ignoreStack.shift();
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return ret;
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};
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Pace.track = function() {
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var args, fn, ret;
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fn = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
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ignoreStack.unshift('track');
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ret = fn.apply(null, args);
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ignoreStack.shift();
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return ret;
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};
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shouldTrack = function(method) {
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var ref1;
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if (method == null) {
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method = 'GET';
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}
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if (ignoreStack[0] === 'track') {
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return 'force';
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}
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if (!ignoreStack.length && options.ajax) {
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if (method === 'socket' && options.ajax.trackWebSockets) {
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return true;
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} else if (ref1 = method.toUpperCase(), indexOf.call(options.ajax.trackMethods, ref1) >= 0) {
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return true;
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}
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}
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return false;
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};
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RequestIntercept = (function(superClass) {
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extend1(RequestIntercept, superClass);
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function RequestIntercept() {
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var monitorXHR;
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RequestIntercept.__super__.constructor.apply(this, arguments);
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monitorXHR = (function(_this) {
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return function(req) {
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var _open;
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_open = req.open;
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return req.open = function(type, url, async) {
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if (shouldTrack(type)) {
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_this.trigger('request', {
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type: type,
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url: url,
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request: req
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});
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}
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return _open.apply(req, arguments);
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};
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};
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})(this);
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window.XMLHttpRequest = function(flags) {
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var req;
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req = new _XMLHttpRequest(flags);
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monitorXHR(req);
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return req;
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};
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try {
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extendNative(window.XMLHttpRequest, _XMLHttpRequest);
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} catch (undefined) {}
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if (_XDomainRequest != null) {
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window.XDomainRequest = function() {
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var req;
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req = new _XDomainRequest;
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monitorXHR(req);
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return req;
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};
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try {
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extendNative(window.XDomainRequest, _XDomainRequest);
|
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} catch (undefined) {}
|
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}
|
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if ((_WebSocket != null) && options.ajax.trackWebSockets) {
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window.WebSocket = (function(_this) {
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return function(url, protocols) {
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var req;
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if (protocols != null) {
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req = new _WebSocket(url, protocols);
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} else {
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req = new _WebSocket(url);
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}
|
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if (shouldTrack('socket')) {
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_this.trigger('request', {
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type: 'socket',
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url: url,
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protocols: protocols,
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request: req
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});
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}
|
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return req;
|
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};
|
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})(this);
|
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try {
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extendNative(window.WebSocket, _WebSocket);
|
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} catch (undefined) {}
|
|
}
|
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}
|
|
|
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return RequestIntercept;
|
|
|
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})(Events);
|
|
|
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_intercept = null;
|
|
|
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getIntercept = function() {
|
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if (_intercept == null) {
|
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_intercept = new RequestIntercept;
|
|
}
|
|
return _intercept;
|
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};
|
|
|
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shouldIgnoreURL = function(url) {
|
|
var l, len1, pattern, ref1;
|
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ref1 = options.ajax.ignoreURLs;
|
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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;
|
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type = arg.type, request = arg.request, url = arg.url;
|
|
if (shouldIgnoreURL(url)) {
|
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return;
|
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}
|
|
if (!Pace.running && (options.restartOnRequestAfter !== false || shouldTrack(type) === 'force')) {
|
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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);
|
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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);
|