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(function() { |
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var AjaxMonitor, Bar, DocumentMonitor, ElementMonitor, ElementTracker, EventLagMonitor, Evented, Events, NoTargetError, Pace, RequestIntercept, SOURCE_KEYS, Scaler, SocketRequestTracker, XHRRequestTracker, animation, avgAmplitude, bar, cancelAnimation, cancelAnimationFrame, defaultOptions, extend, extendNative, getFromDOM, getIntercept, handlePushState, ignoreStack, init, now, options, requestAnimationFrame, result, runAnimation, scalers, shouldIgnoreURL, shouldTrack, source, sources, uniScaler, _WebSocket, _XDomainRequest, _XMLHttpRequest, _i, _intercept, _len, _pushState, _ref, _ref1, _replaceState, |
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__slice = [].slice, |
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__hasProp = {}.hasOwnProperty, |
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__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; }, |
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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 key, out, source, sources, val, _i, _len; |
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out = arguments[0], sources = 2 <= arguments.length ? __slice.call(arguments, 1) : []; |
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for (_i = 0, _len = sources.length; _i < _len; _i++) { |
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source = sources[_i]; |
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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, sum, v, _i, _len; |
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sum = count = 0; |
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for (_i = 0, _len = arr.length; _i < _len; _i++) { |
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v = arr[_i]; |
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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; |
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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 (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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source = _ref[_i]; |
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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(_super) { |
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__extends(NoTargetError, _super); |
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function NoTargetError() { |
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_ref1 = NoTargetError.__super__.constructor.apply(this, arguments); |
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return _ref1; |
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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.className = "pace pace-active"; |
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document.body.className = document.body.className.replace(/pace-done/g, ''); |
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document.body.className += ' 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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} |
256
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return this.el; |
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}; |
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259
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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.className = el.className.replace('pace-active', ''); |
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el.className += ' pace-inactive'; |
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document.body.className = document.body.className.replace('pace-running', ''); |
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return document.body.className += ' pace-done'; |
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}; |
267
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268
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Bar.prototype.update = function(prog) { |
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this.progress = prog; |
270
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return this.render(); |
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}; |
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273
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Bar.prototype.destroy = function() { |
274
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try { |
275
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this.getElement().parentNode.removeChild(this.getElement()); |
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} catch (_error) { |
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NoTargetError = _error; |
278
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} |
279
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return this.el = void 0; |
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}; |
281
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282
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Bar.prototype.render = function() { |
283
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var el, key, progressStr, transform, _j, _len1, _ref2; |
284
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if (document.querySelector(options.target) == null) { |
285
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return false; |
286
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} |
287
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el = this.getElement(); |
288
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transform = "translate3d(" + this.progress + "%, 0, 0)"; |
289
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_ref2 = ['webkitTransform', 'msTransform', 'transform']; |
290
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for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) { |
291
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key = _ref2[_j]; |
292
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el.children[0].style[key] = transform; |
293
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} |
294
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if (!this.lastRenderedProgress || this.lastRenderedProgress | 0 !== this.progress | 0) { |
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295
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el.children[0].setAttribute('data-progress-text', "" + (this.progress | 0) + "%"); |
296
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if (this.progress >= 100) { |
297
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progressStr = '99'; |
298
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} else { |
299
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progressStr = this.progress < 10 ? "0" : ""; |
300
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progressStr += this.progress | 0; |
301
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} |
302
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el.children[0].setAttribute('data-progress', "" + progressStr); |
303
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} |
304
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return this.lastRenderedProgress = this.progress; |
305
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}; |
306
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307
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Bar.prototype.done = function() { |
308
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return this.progress >= 100; |
309
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}; |
310
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311
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return Bar; |
312
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313
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})(); |
314
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315
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Events = (function() { |
316
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function Events() { |
317
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this.bindings = {}; |
318
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} |
319
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320
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Events.prototype.trigger = function(name, val) { |
321
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|
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var binding, _j, _len1, _ref2, _results; |
322
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if (this.bindings[name] != null) { |
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323
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_ref2 = this.bindings[name]; |
324
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_results = []; |
325
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for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) { |
326
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binding = _ref2[_j]; |
327
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_results.push(binding.call(this, val)); |
328
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} |
329
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return _results; |
330
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} |
331
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}; |
332
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|
333
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Events.prototype.on = function(name, fn) { |
334
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var _base; |
335
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|
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if ((_base = this.bindings)[name] == null) { |
336
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_base[name] = []; |
337
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} |
338
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return this.bindings[name].push(fn); |
339
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}; |
340
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341
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return Events; |
342
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|
343
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})(); |
344
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|
345
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_XMLHttpRequest = window.XMLHttpRequest; |
346
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|
347
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|
_XDomainRequest = window.XDomainRequest; |
348
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349
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_WebSocket = window.WebSocket; |
350
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|
351
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|
extendNative = function(to, from) { |
352
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|
var e, key, _results; |
353
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|
|
_results = []; |
354
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|
|
for (key in from.prototype) { |
355
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|
try { |
356
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|
|
if ((to[key] == null) && typeof from[key] !== 'function') { |
357
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|
|
if (typeof Object.defineProperty === 'function') { |
358
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|
_results.push(Object.defineProperty(to, key, { |
359
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|
|
get: function() { |
360
|
|
|
return from.prototype[key]; |
|
|
|
|
361
|
|
|
}, |
362
|
|
|
configurable: true, |
363
|
|
|
enumerable: true |
364
|
|
|
})); |
365
|
|
|
} else { |
366
|
|
|
_results.push(to[key] = from.prototype[key]); |
367
|
|
|
} |
368
|
|
|
} else { |
369
|
|
|
_results.push(void 0); |
370
|
|
|
} |
371
|
|
|
} catch (_error) { |
372
|
|
|
e = _error; |
|
|
|
|
373
|
|
|
} |
374
|
|
|
} |
375
|
|
|
return _results; |
376
|
|
|
}; |
377
|
|
|
|
378
|
|
|
ignoreStack = []; |
379
|
|
|
|
380
|
|
|
Pace.ignore = function() { |
381
|
|
|
var args, fn, ret; |
382
|
|
|
fn = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : []; |
383
|
|
|
ignoreStack.unshift('ignore'); |
384
|
|
|
ret = fn.apply(null, args); |
385
|
|
|
ignoreStack.shift(); |
386
|
|
|
return ret; |
387
|
|
|
}; |
388
|
|
|
|
389
|
|
|
Pace.track = function() { |
390
|
|
|
var args, fn, ret; |
391
|
|
|
fn = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : []; |
392
|
|
|
ignoreStack.unshift('track'); |
393
|
|
|
ret = fn.apply(null, args); |
394
|
|
|
ignoreStack.shift(); |
395
|
|
|
return ret; |
396
|
|
|
}; |
397
|
|
|
|
398
|
|
|
shouldTrack = function(method) { |
399
|
|
|
var _ref2; |
400
|
|
|
if (method == null) { |
401
|
|
|
method = 'GET'; |
402
|
|
|
} |
403
|
|
|
if (ignoreStack[0] === 'track') { |
404
|
|
|
return 'force'; |
405
|
|
|
} |
406
|
|
|
if (!ignoreStack.length && options.ajax) { |
407
|
|
|
if (method === 'socket' && options.ajax.trackWebSockets) { |
408
|
|
|
return true; |
409
|
|
|
} else if (_ref2 = method.toUpperCase(), __indexOf.call(options.ajax.trackMethods, _ref2) >= 0) { |
410
|
|
|
return true; |
411
|
|
|
} |
412
|
|
|
} |
413
|
|
|
return false; |
414
|
|
|
}; |
415
|
|
|
|
416
|
|
|
RequestIntercept = (function(_super) { |
417
|
|
|
__extends(RequestIntercept, _super); |
418
|
|
|
|
419
|
|
|
function RequestIntercept() { |
420
|
|
|
var monitorXHR, |
421
|
|
|
_this = this; |
422
|
|
|
RequestIntercept.__super__.constructor.apply(this, arguments); |
423
|
|
|
monitorXHR = function(req) { |
424
|
|
|
var _open; |
425
|
|
|
_open = req.open; |
426
|
|
|
return req.open = function(type, url, async) { |
|
|
|
|
427
|
|
|
if (shouldTrack(type)) { |
428
|
|
|
_this.trigger('request', { |
429
|
|
|
type: type, |
430
|
|
|
url: url, |
431
|
|
|
request: req |
432
|
|
|
}); |
433
|
|
|
} |
434
|
|
|
return _open.apply(req, arguments); |
435
|
|
|
}; |
436
|
|
|
}; |
437
|
|
|
window.XMLHttpRequest = function(flags) { |
438
|
|
|
var req; |
439
|
|
|
req = new _XMLHttpRequest(flags); |
440
|
|
|
monitorXHR(req); |
441
|
|
|
return req; |
442
|
|
|
}; |
443
|
|
|
try { |
444
|
|
|
extendNative(window.XMLHttpRequest, _XMLHttpRequest); |
445
|
|
|
} catch (_error) {} |
446
|
|
|
if (_XDomainRequest != null) { |
447
|
|
|
window.XDomainRequest = function() { |
448
|
|
|
var req; |
449
|
|
|
req = new _XDomainRequest; |
450
|
|
|
monitorXHR(req); |
451
|
|
|
return req; |
452
|
|
|
}; |
453
|
|
|
try { |
454
|
|
|
extendNative(window.XDomainRequest, _XDomainRequest); |
455
|
|
|
} catch (_error) {} |
456
|
|
|
} |
457
|
|
|
if ((_WebSocket != null) && options.ajax.trackWebSockets) { |
458
|
|
|
window.WebSocket = function(url, protocols) { |
459
|
|
|
var req; |
460
|
|
|
if (protocols != null) { |
461
|
|
|
req = new _WebSocket(url, protocols); |
462
|
|
|
} else { |
463
|
|
|
req = new _WebSocket(url); |
464
|
|
|
} |
465
|
|
|
if (shouldTrack('socket')) { |
466
|
|
|
_this.trigger('request', { |
467
|
|
|
type: 'socket', |
468
|
|
|
url: url, |
469
|
|
|
protocols: protocols, |
470
|
|
|
request: req |
471
|
|
|
}); |
472
|
|
|
} |
473
|
|
|
return req; |
474
|
|
|
}; |
475
|
|
|
try { |
476
|
|
|
extendNative(window.WebSocket, _WebSocket); |
477
|
|
|
} catch (_error) {} |
478
|
|
|
} |
479
|
|
|
} |
480
|
|
|
|
481
|
|
|
return RequestIntercept; |
482
|
|
|
|
483
|
|
|
})(Events); |
484
|
|
|
|
485
|
|
|
_intercept = null; |
486
|
|
|
|
487
|
|
|
getIntercept = function() { |
488
|
|
|
if (_intercept == null) { |
489
|
|
|
_intercept = new RequestIntercept; |
490
|
|
|
} |
491
|
|
|
return _intercept; |
492
|
|
|
}; |
493
|
|
|
|
494
|
|
|
shouldIgnoreURL = function(url) { |
495
|
|
|
var pattern, _j, _len1, _ref2; |
496
|
|
|
_ref2 = options.ajax.ignoreURLs; |
497
|
|
|
for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) { |
498
|
|
|
pattern = _ref2[_j]; |
499
|
|
|
if (typeof pattern === 'string') { |
500
|
|
|
if (url.indexOf(pattern) !== -1) { |
501
|
|
|
return true; |
502
|
|
|
} |
503
|
|
|
} else { |
504
|
|
|
if (pattern.test(url)) { |
505
|
|
|
return true; |
506
|
|
|
} |
507
|
|
|
} |
508
|
|
|
} |
509
|
|
|
return false; |
510
|
|
|
}; |
511
|
|
|
|
512
|
|
|
getIntercept().on('request', function(_arg) { |
513
|
|
|
var after, args, request, type, url; |
514
|
|
|
type = _arg.type, request = _arg.request, url = _arg.url; |
515
|
|
|
if (shouldIgnoreURL(url)) { |
516
|
|
|
return; |
517
|
|
|
} |
518
|
|
|
if (!Pace.running && (options.restartOnRequestAfter !== false || shouldTrack(type) === 'force')) { |
|
|
|
|
519
|
|
|
args = arguments; |
520
|
|
|
after = options.restartOnRequestAfter || 0; |
521
|
|
|
if (typeof after === 'boolean') { |
522
|
|
|
after = 0; |
523
|
|
|
} |
524
|
|
|
return setTimeout(function() { |
525
|
|
|
var stillActive, _j, _len1, _ref2, _ref3, _results; |
526
|
|
|
if (type === 'socket') { |
527
|
|
|
stillActive = request.readyState < 2; |
528
|
|
|
} else { |
529
|
|
|
stillActive = (0 < (_ref2 = request.readyState) && _ref2 < 4); |
530
|
|
|
} |
531
|
|
|
if (stillActive) { |
|
|
|
|
532
|
|
|
Pace.restart(); |
533
|
|
|
_ref3 = Pace.sources; |
534
|
|
|
_results = []; |
535
|
|
|
for (_j = 0, _len1 = _ref3.length; _j < _len1; _j++) { |
536
|
|
|
source = _ref3[_j]; |
537
|
|
|
if (source instanceof AjaxMonitor) { |
|
|
|
|
538
|
|
|
source.watch.apply(source, args); |
539
|
|
|
break; |
540
|
|
|
} else { |
541
|
|
|
_results.push(void 0); |
542
|
|
|
} |
543
|
|
|
} |
544
|
|
|
return _results; |
545
|
|
|
} |
546
|
|
|
}, after); |
547
|
|
|
} |
548
|
|
|
}); |
549
|
|
|
|
550
|
|
|
AjaxMonitor = (function() { |
551
|
|
|
function AjaxMonitor() { |
552
|
|
|
var _this = this; |
553
|
|
|
this.elements = []; |
554
|
|
|
getIntercept().on('request', function() { |
555
|
|
|
return _this.watch.apply(_this, arguments); |
556
|
|
|
}); |
557
|
|
|
} |
558
|
|
|
|
559
|
|
|
AjaxMonitor.prototype.watch = function(_arg) { |
560
|
|
|
var request, tracker, type, url; |
561
|
|
|
type = _arg.type, request = _arg.request, url = _arg.url; |
562
|
|
|
if (shouldIgnoreURL(url)) { |
563
|
|
|
return; |
564
|
|
|
} |
565
|
|
|
if (type === 'socket') { |
566
|
|
|
tracker = new SocketRequestTracker(request); |
567
|
|
|
} else { |
568
|
|
|
tracker = new XHRRequestTracker(request); |
569
|
|
|
} |
570
|
|
|
return this.elements.push(tracker); |
571
|
|
|
}; |
572
|
|
|
|
573
|
|
|
return AjaxMonitor; |
574
|
|
|
|
575
|
|
|
})(); |
576
|
|
|
|
577
|
|
|
XHRRequestTracker = (function() { |
578
|
|
|
function XHRRequestTracker(request) { |
579
|
|
|
var event, size, _j, _len1, _onreadystatechange, _ref2, |
580
|
|
|
_this = this; |
581
|
|
|
this.progress = 0; |
582
|
|
|
if (window.ProgressEvent != null) { |
583
|
|
|
size = null; |
|
|
|
|
584
|
|
|
request.addEventListener('progress', function(evt) { |
585
|
|
|
if (evt.lengthComputable) { |
586
|
|
|
return _this.progress = 100 * evt.loaded / evt.total; |
587
|
|
|
} else { |
588
|
|
|
return _this.progress = _this.progress + (100 - _this.progress) / 2; |
589
|
|
|
} |
590
|
|
|
}, false); |
591
|
|
|
_ref2 = ['load', 'abort', 'timeout', 'error']; |
592
|
|
|
for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) { |
593
|
|
|
event = _ref2[_j]; |
594
|
|
|
request.addEventListener(event, function() { |
595
|
|
|
return _this.progress = 100; |
596
|
|
|
}, false); |
597
|
|
|
} |
598
|
|
|
} else { |
599
|
|
|
_onreadystatechange = request.onreadystatechange; |
600
|
|
|
request.onreadystatechange = function() { |
601
|
|
|
var _ref3; |
602
|
|
|
if ((_ref3 = request.readyState) === 0 || _ref3 === 4) { |
603
|
|
|
_this.progress = 100; |
604
|
|
|
} else if (request.readyState === 3) { |
605
|
|
|
_this.progress = 50; |
606
|
|
|
} |
607
|
|
|
return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0; |
608
|
|
|
}; |
609
|
|
|
} |
610
|
|
|
} |
611
|
|
|
|
612
|
|
|
return XHRRequestTracker; |
613
|
|
|
|
614
|
|
|
})(); |
615
|
|
|
|
616
|
|
|
SocketRequestTracker = (function() { |
617
|
|
|
function SocketRequestTracker(request) { |
618
|
|
|
var event, _j, _len1, _ref2, |
619
|
|
|
_this = this; |
620
|
|
|
this.progress = 0; |
621
|
|
|
_ref2 = ['error', 'open']; |
622
|
|
|
for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) { |
623
|
|
|
event = _ref2[_j]; |
624
|
|
|
request.addEventListener(event, function() { |
625
|
|
|
return _this.progress = 100; |
626
|
|
|
}, false); |
627
|
|
|
} |
628
|
|
|
} |
629
|
|
|
|
630
|
|
|
return SocketRequestTracker; |
631
|
|
|
|
632
|
|
|
})(); |
633
|
|
|
|
634
|
|
|
ElementMonitor = (function() { |
635
|
|
|
function ElementMonitor(options) { |
636
|
|
|
var selector, _j, _len1, _ref2; |
637
|
|
|
if (options == null) { |
638
|
|
|
options = {}; |
639
|
|
|
} |
640
|
|
|
this.elements = []; |
641
|
|
|
if (options.selectors == null) { |
642
|
|
|
options.selectors = []; |
643
|
|
|
} |
644
|
|
|
_ref2 = options.selectors; |
645
|
|
|
for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) { |
646
|
|
|
selector = _ref2[_j]; |
647
|
|
|
this.elements.push(new ElementTracker(selector)); |
648
|
|
|
} |
649
|
|
|
} |
650
|
|
|
|
651
|
|
|
return ElementMonitor; |
652
|
|
|
|
653
|
|
|
})(); |
654
|
|
|
|
655
|
|
|
ElementTracker = (function() { |
656
|
|
|
function ElementTracker(selector) { |
657
|
|
|
this.selector = selector; |
658
|
|
|
this.progress = 0; |
659
|
|
|
this.check(); |
660
|
|
|
} |
661
|
|
|
|
662
|
|
|
ElementTracker.prototype.check = function() { |
663
|
|
|
var _this = this; |
664
|
|
|
if (document.querySelector(this.selector)) { |
665
|
|
|
return this.done(); |
666
|
|
|
} else { |
667
|
|
|
return setTimeout((function() { |
668
|
|
|
return _this.check(); |
669
|
|
|
}), options.elements.checkInterval); |
670
|
|
|
} |
671
|
|
|
}; |
672
|
|
|
|
673
|
|
|
ElementTracker.prototype.done = function() { |
674
|
|
|
return this.progress = 100; |
675
|
|
|
}; |
676
|
|
|
|
677
|
|
|
return ElementTracker; |
678
|
|
|
|
679
|
|
|
})(); |
680
|
|
|
|
681
|
|
|
DocumentMonitor = (function() { |
682
|
|
|
DocumentMonitor.prototype.states = { |
683
|
|
|
loading: 0, |
684
|
|
|
interactive: 50, |
685
|
|
|
complete: 100 |
686
|
|
|
}; |
687
|
|
|
|
688
|
|
|
function DocumentMonitor() { |
689
|
|
|
var _onreadystatechange, _ref2, |
690
|
|
|
_this = this; |
691
|
|
|
this.progress = (_ref2 = this.states[document.readyState]) != null ? _ref2 : 100; |
692
|
|
|
_onreadystatechange = document.onreadystatechange; |
693
|
|
|
document.onreadystatechange = function() { |
694
|
|
|
if (_this.states[document.readyState] != null) { |
695
|
|
|
_this.progress = _this.states[document.readyState]; |
696
|
|
|
} |
697
|
|
|
return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0; |
698
|
|
|
}; |
699
|
|
|
} |
700
|
|
|
|
701
|
|
|
return DocumentMonitor; |
702
|
|
|
|
703
|
|
|
})(); |
704
|
|
|
|
705
|
|
|
EventLagMonitor = (function() { |
706
|
|
|
function EventLagMonitor() { |
707
|
|
|
var avg, interval, last, points, samples, |
708
|
|
|
_this = this; |
709
|
|
|
this.progress = 0; |
710
|
|
|
avg = 0; |
711
|
|
|
samples = []; |
712
|
|
|
points = 0; |
713
|
|
|
last = now(); |
714
|
|
|
interval = setInterval(function() { |
715
|
|
|
var diff; |
716
|
|
|
diff = now() - last - 50; |
717
|
|
|
last = now(); |
718
|
|
|
samples.push(diff); |
719
|
|
|
if (samples.length > options.eventLag.sampleCount) { |
720
|
|
|
samples.shift(); |
721
|
|
|
} |
722
|
|
|
avg = avgAmplitude(samples); |
723
|
|
|
if (++points >= options.eventLag.minSamples && avg < options.eventLag.lagThreshold) { |
724
|
|
|
_this.progress = 100; |
725
|
|
|
return clearInterval(interval); |
726
|
|
|
} else { |
727
|
|
|
return _this.progress = 100 * (3 / (avg + 3)); |
728
|
|
|
} |
729
|
|
|
}, 50); |
730
|
|
|
} |
731
|
|
|
|
732
|
|
|
return EventLagMonitor; |
733
|
|
|
|
734
|
|
|
})(); |
735
|
|
|
|
736
|
|
View Code Duplication |
Scaler = (function() { |
737
|
|
|
function Scaler(source) { |
738
|
|
|
this.source = source; |
739
|
|
|
this.last = this.sinceLastUpdate = 0; |
740
|
|
|
this.rate = options.initialRate; |
741
|
|
|
this.catchup = 0; |
742
|
|
|
this.progress = this.lastProgress = 0; |
743
|
|
|
if (this.source != null) { |
744
|
|
|
this.progress = result(this.source, 'progress'); |
745
|
|
|
} |
746
|
|
|
} |
747
|
|
|
|
748
|
|
|
Scaler.prototype.tick = function(frameTime, val) { |
749
|
|
|
var scaling; |
750
|
|
|
if (val == null) { |
751
|
|
|
val = result(this.source, 'progress'); |
752
|
|
|
} |
753
|
|
|
if (val >= 100) { |
754
|
|
|
this.done = true; |
755
|
|
|
} |
756
|
|
|
if (val === this.last) { |
757
|
|
|
this.sinceLastUpdate += frameTime; |
758
|
|
|
} else { |
759
|
|
|
if (this.sinceLastUpdate) { |
760
|
|
|
this.rate = (val - this.last) / this.sinceLastUpdate; |
761
|
|
|
} |
762
|
|
|
this.catchup = (val - this.progress) / options.catchupTime; |
763
|
|
|
this.sinceLastUpdate = 0; |
764
|
|
|
this.last = val; |
765
|
|
|
} |
766
|
|
|
if (val > this.progress) { |
767
|
|
|
this.progress += this.catchup * frameTime; |
768
|
|
|
} |
769
|
|
|
scaling = 1 - Math.pow(this.progress / 100, options.easeFactor); |
770
|
|
|
this.progress += scaling * this.rate * frameTime; |
771
|
|
|
this.progress = Math.min(this.lastProgress + options.maxProgressPerFrame, this.progress); |
772
|
|
|
this.progress = Math.max(0, this.progress); |
773
|
|
|
this.progress = Math.min(100, this.progress); |
774
|
|
|
this.lastProgress = this.progress; |
775
|
|
|
return this.progress; |
776
|
|
|
}; |
777
|
|
|
|
778
|
|
|
return Scaler; |
779
|
|
|
|
780
|
|
|
})(); |
781
|
|
|
|
782
|
|
|
sources = null; |
783
|
|
|
|
784
|
|
|
scalers = null; |
785
|
|
|
|
786
|
|
|
bar = null; |
787
|
|
|
|
788
|
|
|
uniScaler = null; |
789
|
|
|
|
790
|
|
|
animation = null; |
791
|
|
|
|
792
|
|
|
cancelAnimation = null; |
793
|
|
|
|
794
|
|
|
Pace.running = false; |
795
|
|
|
|
796
|
|
|
handlePushState = function() { |
797
|
|
|
if (options.restartOnPushState) { |
|
|
|
|
798
|
|
|
return Pace.restart(); |
799
|
|
|
} |
800
|
|
|
}; |
801
|
|
|
|
802
|
|
|
if (window.history.pushState != null) { |
803
|
|
|
_pushState = window.history.pushState; |
804
|
|
|
window.history.pushState = function() { |
805
|
|
|
handlePushState(); |
806
|
|
|
return _pushState.apply(window.history, arguments); |
807
|
|
|
}; |
808
|
|
|
} |
809
|
|
|
|
810
|
|
|
if (window.history.replaceState != null) { |
811
|
|
|
_replaceState = window.history.replaceState; |
812
|
|
|
window.history.replaceState = function() { |
813
|
|
|
handlePushState(); |
814
|
|
|
return _replaceState.apply(window.history, arguments); |
815
|
|
|
}; |
816
|
|
|
} |
817
|
|
|
|
818
|
|
|
SOURCE_KEYS = { |
819
|
|
|
ajax: AjaxMonitor, |
820
|
|
|
elements: ElementMonitor, |
821
|
|
|
document: DocumentMonitor, |
822
|
|
|
eventLag: EventLagMonitor |
823
|
|
|
}; |
824
|
|
|
|
825
|
|
|
(init = function() { |
826
|
|
|
var type, _j, _k, _len1, _len2, _ref2, _ref3, _ref4; |
827
|
|
|
Pace.sources = sources = []; |
828
|
|
|
_ref2 = ['ajax', 'elements', 'document', 'eventLag']; |
829
|
|
|
for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) { |
830
|
|
|
type = _ref2[_j]; |
831
|
|
|
if (options[type] !== false) { |
832
|
|
|
sources.push(new SOURCE_KEYS[type](options[type])); |
833
|
|
|
} |
834
|
|
|
} |
835
|
|
|
_ref4 = (_ref3 = options.extraSources) != null ? _ref3 : []; |
836
|
|
|
for (_k = 0, _len2 = _ref4.length; _k < _len2; _k++) { |
837
|
|
|
source = _ref4[_k]; |
838
|
|
|
sources.push(new source(options)); |
|
|
|
|
839
|
|
|
} |
840
|
|
|
Pace.bar = bar = new Bar; |
841
|
|
|
scalers = []; |
842
|
|
|
return uniScaler = new Scaler; |
843
|
|
|
})(); |
844
|
|
|
|
845
|
|
|
Pace.stop = function() { |
846
|
|
|
Pace.trigger('stop'); |
847
|
|
|
Pace.running = false; |
848
|
|
|
bar.destroy(); |
849
|
|
|
cancelAnimation = true; |
850
|
|
|
if (animation != null) { |
851
|
|
|
if (typeof cancelAnimationFrame === "function") { |
852
|
|
|
cancelAnimationFrame(animation); |
853
|
|
|
} |
854
|
|
|
animation = null; |
855
|
|
|
} |
856
|
|
|
return init(); |
857
|
|
|
}; |
858
|
|
|
|
859
|
|
|
Pace.restart = function() { |
860
|
|
|
Pace.trigger('restart'); |
861
|
|
|
Pace.stop(); |
862
|
|
|
return Pace.start(); |
863
|
|
|
}; |
864
|
|
|
|
865
|
|
|
Pace.go = function() { |
866
|
|
|
var start; |
867
|
|
|
Pace.running = true; |
868
|
|
|
bar.render(); |
869
|
|
|
start = now(); |
870
|
|
|
cancelAnimation = false; |
871
|
|
|
return animation = runAnimation(function(frameTime, enqueueNextFrame) { |
872
|
|
|
var avg, count, done, element, elements, i, j, remaining, scaler, scalerList, sum, _j, _k, _len1, _len2, _ref2; |
873
|
|
|
remaining = 100 - bar.progress; |
|
|
|
|
874
|
|
|
count = sum = 0; |
875
|
|
|
done = true; |
876
|
|
|
for (i = _j = 0, _len1 = sources.length; _j < _len1; i = ++_j) { |
877
|
|
|
source = sources[i]; |
878
|
|
|
scalerList = scalers[i] != null ? scalers[i] : scalers[i] = []; |
879
|
|
|
elements = (_ref2 = source.elements) != null ? _ref2 : [source]; |
|
|
|
|
880
|
|
|
for (j = _k = 0, _len2 = elements.length; _k < _len2; j = ++_k) { |
881
|
|
|
element = elements[j]; |
882
|
|
|
scaler = scalerList[j] != null ? scalerList[j] : scalerList[j] = new Scaler(element); |
883
|
|
|
done &= scaler.done; |
884
|
|
|
if (scaler.done) { |
885
|
|
|
continue; |
886
|
|
|
} |
887
|
|
|
count++; |
888
|
|
|
sum += scaler.tick(frameTime); |
889
|
|
|
} |
890
|
|
|
} |
891
|
|
|
avg = sum / count; |
892
|
|
|
bar.update(uniScaler.tick(frameTime, avg)); |
893
|
|
|
if (bar.done() || done || cancelAnimation) { |
894
|
|
|
bar.update(100); |
895
|
|
|
Pace.trigger('done'); |
896
|
|
|
return setTimeout(function() { |
897
|
|
|
bar.finish(); |
898
|
|
|
Pace.running = false; |
899
|
|
|
return Pace.trigger('hide'); |
900
|
|
|
}, Math.max(options.ghostTime, Math.max(options.minTime - (now() - start), 0))); |
901
|
|
|
} else { |
902
|
|
|
return enqueueNextFrame(); |
903
|
|
|
} |
904
|
|
|
}); |
905
|
|
|
}; |
906
|
|
|
|
907
|
|
|
Pace.start = function(_options) { |
908
|
|
|
extend(options, _options); |
909
|
|
|
Pace.running = true; |
910
|
|
|
try { |
911
|
|
|
bar.render(); |
912
|
|
|
} catch (_error) { |
913
|
|
|
NoTargetError = _error; |
914
|
|
|
} |
915
|
|
|
if (!document.querySelector('.pace')) { |
916
|
|
|
return setTimeout(Pace.start, 50); |
917
|
|
|
} else { |
918
|
|
|
Pace.trigger('start'); |
919
|
|
|
return Pace.go(); |
920
|
|
|
} |
921
|
|
|
}; |
922
|
|
|
|
923
|
|
|
if (typeof define === 'function' && define.amd) { |
924
|
|
|
define(['pace'], function() { |
925
|
|
|
return Pace; |
926
|
|
|
}); |
927
|
|
|
} else if (typeof exports === 'object') { |
928
|
|
|
module.exports = Pace; |
929
|
|
|
} else { |
930
|
|
|
if (options.startOnPageLoad) { |
931
|
|
|
Pace.start(); |
932
|
|
|
} |
933
|
|
|
} |
934
|
|
|
|
935
|
|
|
}).call(this); |
936
|
|
|
|