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946 lines
26 KiB
946 lines
26 KiB
(function() { |
|
var AjaxMonitor, Bar, DocumentMonitor, ElementMonitor, ElementTracker, EventLagMonitor, Evented, Events, NoTargetError, Pace, RequestIntercept, SOURCE_KEYS, Scaler, SocketRequestTracker, XHRRequestTracker, _WebSocket, _XDomainRequest, _XMLHttpRequest, _intercept, _pushState, _replaceState, animation, avgAmplitude, bar, cancelAnimation, cancelAnimationFrame, defaultOptions, extend, extendNative, getFromDOM, getIntercept, handlePushState, ignoreStack, init, k, len, now, options, ref, requestAnimationFrame, result, runAnimation, scalers, shouldIgnoreURL, shouldTrack, source, sources, uniScaler, |
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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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|
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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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|
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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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|
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requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; |
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|
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cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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Evented = (function() { |
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function Evented() {} |
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|
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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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|
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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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|
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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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|
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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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|
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return Evented; |
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|
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})(); |
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|
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Pace = window.Pace || {}; |
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|
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window.Pace = Pace; |
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|
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extend(Pace, Evented.prototype); |
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|
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options = Pace.options = extend({}, defaultOptions, window.paceOptions, getFromDOM()); |
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|
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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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|
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NoTargetError = (function(superClass) { |
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extend1(NoTargetError, superClass); |
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|
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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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|
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return NoTargetError; |
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|
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})(Error); |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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Bar.prototype.done = function() { |
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return this.progress >= 100; |
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}; |
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|
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return Bar; |
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|
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})(); |
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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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|
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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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|
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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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|
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return Events; |
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|
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})(); |
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|
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_XMLHttpRequest = window.XMLHttpRequest; |
|
|
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_XDomainRequest = window.XDomainRequest; |
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|
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_WebSocket = window.WebSocket; |
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|
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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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} |
|
return results; |
|
}; |
|
|
|
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); |
|
ignoreStack.shift(); |
|
return ret; |
|
}; |
|
|
|
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); |
|
ignoreStack.shift(); |
|
return ret; |
|
}; |
|
|
|
shouldTrack = function(method) { |
|
var ref1; |
|
if (method == null) { |
|
method = 'GET'; |
|
} |
|
if (ignoreStack[0] === 'track') { |
|
return 'force'; |
|
} |
|
if (!ignoreStack.length && options.ajax) { |
|
if (method === 'socket' && options.ajax.trackWebSockets) { |
|
return true; |
|
} else if (ref1 = method.toUpperCase(), indexOf.call(options.ajax.trackMethods, ref1) >= 0) { |
|
return true; |
|
} |
|
} |
|
return false; |
|
}; |
|
|
|
RequestIntercept = (function(superClass) { |
|
extend1(RequestIntercept, superClass); |
|
|
|
function RequestIntercept() { |
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var monitorXHR; |
|
RequestIntercept.__super__.constructor.apply(this, arguments); |
|
monitorXHR = (function(_this) { |
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return function(req) { |
|
var _open; |
|
_open = req.open; |
|
return req.open = function(type, url, async) { |
|
if (shouldTrack(type)) { |
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_this.trigger('request', { |
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type: type, |
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url: url, |
|
request: req |
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}); |
|
} |
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return _open.apply(req, arguments); |
|
}; |
|
}; |
|
})(this); |
|
window.XMLHttpRequest = function(flags) { |
|
var req; |
|
req = new _XMLHttpRequest(flags); |
|
monitorXHR(req); |
|
return req; |
|
}; |
|
try { |
|
extendNative(window.XMLHttpRequest, _XMLHttpRequest); |
|
} catch (undefined) {} |
|
if (_XDomainRequest != null) { |
|
window.XDomainRequest = function() { |
|
var req; |
|
req = new _XDomainRequest; |
|
monitorXHR(req); |
|
return req; |
|
}; |
|
try { |
|
extendNative(window.XDomainRequest, _XDomainRequest); |
|
} catch (undefined) {} |
|
} |
|
if ((_WebSocket != null) && options.ajax.trackWebSockets) { |
|
window.WebSocket = (function(_this) { |
|
return function(url, protocols) { |
|
var req; |
|
if (protocols != null) { |
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req = new _WebSocket(url, protocols); |
|
} else { |
|
req = new _WebSocket(url); |
|
} |
|
if (shouldTrack('socket')) { |
|
_this.trigger('request', { |
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type: 'socket', |
|
url: url, |
|
protocols: protocols, |
|
request: req |
|
}); |
|
} |
|
return req; |
|
}; |
|
})(this); |
|
try { |
|
extendNative(window.WebSocket, _WebSocket); |
|
} catch (undefined) {} |
|
} |
|
} |
|
|
|
return RequestIntercept; |
|
|
|
})(Events); |
|
|
|
_intercept = null; |
|
|
|
getIntercept = function() { |
|
if (_intercept == null) { |
|
_intercept = new RequestIntercept; |
|
} |
|
return _intercept; |
|
}; |
|
|
|
shouldIgnoreURL = function(url) { |
|
var l, len1, pattern, ref1; |
|
ref1 = options.ajax.ignoreURLs; |
|
for (l = 0, len1 = ref1.length; l < len1; l++) { |
|
pattern = ref1[l]; |
|
if (typeof pattern === 'string') { |
|
if (url.indexOf(pattern) !== -1) { |
|
return true; |
|
} |
|
} else { |
|
if (pattern.test(url)) { |
|
return true; |
|
} |
|
} |
|
} |
|
return false; |
|
}; |
|
|
|
getIntercept().on('request', function(arg) { |
|
var after, args, request, type, url; |
|
type = arg.type, request = arg.request, url = arg.url; |
|
if (shouldIgnoreURL(url)) { |
|
return; |
|
} |
|
if (!Pace.running && (options.restartOnRequestAfter !== false || shouldTrack(type) === 'force')) { |
|
args = arguments; |
|
after = options.restartOnRequestAfter || 0; |
|
if (typeof after === 'boolean') { |
|
after = 0; |
|
} |
|
return setTimeout(function() { |
|
var l, len1, ref1, ref2, results, stillActive; |
|
if (type === 'socket') { |
|
stillActive = request.readyState < 2; |
|
} else { |
|
stillActive = (0 < (ref1 = request.readyState) && ref1 < 4); |
|
} |
|
if (stillActive) { |
|
Pace.restart(); |
|
ref2 = Pace.sources; |
|
results = []; |
|
for (l = 0, len1 = ref2.length; l < len1; l++) { |
|
source = ref2[l]; |
|
if (source instanceof AjaxMonitor) { |
|
source.watch.apply(source, args); |
|
break; |
|
} else { |
|
results.push(void 0); |
|
} |
|
} |
|
return results; |
|
} |
|
}, after); |
|
} |
|
}); |
|
|
|
AjaxMonitor = (function() { |
|
function AjaxMonitor() { |
|
this.elements = []; |
|
getIntercept().on('request', (function(_this) { |
|
return function() { |
|
return _this.watch.apply(_this, arguments); |
|
}; |
|
})(this)); |
|
} |
|
|
|
AjaxMonitor.prototype.watch = function(arg) { |
|
var request, tracker, type, url; |
|
type = arg.type, request = arg.request, url = arg.url; |
|
if (shouldIgnoreURL(url)) { |
|
return; |
|
} |
|
if (type === 'socket') { |
|
tracker = new SocketRequestTracker(request); |
|
} else { |
|
tracker = new XHRRequestTracker(request); |
|
} |
|
return this.elements.push(tracker); |
|
}; |
|
|
|
return AjaxMonitor; |
|
|
|
})(); |
|
|
|
XHRRequestTracker = (function() { |
|
function XHRRequestTracker(request) { |
|
var _onreadystatechange, event, l, len1, ref1, size; |
|
this.progress = 0; |
|
if (window.ProgressEvent != null) { |
|
size = null; |
|
request.addEventListener('progress', (function(_this) { |
|
return function(evt) { |
|
if (evt.lengthComputable) { |
|
return _this.progress = 100 * evt.loaded / evt.total; |
|
} else { |
|
return _this.progress = _this.progress + (100 - _this.progress) / 2; |
|
} |
|
}; |
|
})(this), false); |
|
ref1 = ['load', 'abort', 'timeout', 'error']; |
|
for (l = 0, len1 = ref1.length; l < len1; l++) { |
|
event = ref1[l]; |
|
request.addEventListener(event, (function(_this) { |
|
return function() { |
|
return _this.progress = 100; |
|
}; |
|
})(this), false); |
|
} |
|
} else { |
|
_onreadystatechange = request.onreadystatechange; |
|
request.onreadystatechange = (function(_this) { |
|
return function() { |
|
var ref2; |
|
if ((ref2 = request.readyState) === 0 || ref2 === 4) { |
|
_this.progress = 100; |
|
} else if (request.readyState === 3) { |
|
_this.progress = 50; |
|
} |
|
return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0; |
|
}; |
|
})(this); |
|
} |
|
} |
|
|
|
return XHRRequestTracker; |
|
|
|
})(); |
|
|
|
SocketRequestTracker = (function() { |
|
function SocketRequestTracker(request) { |
|
var event, l, len1, ref1; |
|
this.progress = 0; |
|
ref1 = ['error', 'open']; |
|
for (l = 0, len1 = ref1.length; l < len1; l++) { |
|
event = ref1[l]; |
|
request.addEventListener(event, (function(_this) { |
|
return function() { |
|
return _this.progress = 100; |
|
}; |
|
})(this), false); |
|
} |
|
} |
|
|
|
return SocketRequestTracker; |
|
|
|
})(); |
|
|
|
ElementMonitor = (function() { |
|
function ElementMonitor(options) { |
|
var l, len1, ref1, selector; |
|
if (options == null) { |
|
options = {}; |
|
} |
|
this.elements = []; |
|
if (options.selectors == null) { |
|
options.selectors = []; |
|
} |
|
ref1 = options.selectors; |
|
for (l = 0, len1 = ref1.length; l < len1; l++) { |
|
selector = ref1[l]; |
|
this.elements.push(new ElementTracker(selector)); |
|
} |
|
} |
|
|
|
return ElementMonitor; |
|
|
|
})(); |
|
|
|
ElementTracker = (function() { |
|
function ElementTracker(selector1) { |
|
this.selector = selector1; |
|
this.progress = 0; |
|
this.check(); |
|
} |
|
|
|
ElementTracker.prototype.check = function() { |
|
if (document.querySelector(this.selector)) { |
|
return this.done(); |
|
} else { |
|
return setTimeout(((function(_this) { |
|
return function() { |
|
return _this.check(); |
|
}; |
|
})(this)), options.elements.checkInterval); |
|
} |
|
}; |
|
|
|
ElementTracker.prototype.done = function() { |
|
return this.progress = 100; |
|
}; |
|
|
|
return ElementTracker; |
|
|
|
})(); |
|
|
|
DocumentMonitor = (function() { |
|
DocumentMonitor.prototype.states = { |
|
loading: 0, |
|
interactive: 50, |
|
complete: 100 |
|
}; |
|
|
|
function DocumentMonitor() { |
|
var _onreadystatechange, ref1; |
|
this.progress = (ref1 = this.states[document.readyState]) != null ? ref1 : 100; |
|
_onreadystatechange = document.onreadystatechange; |
|
document.onreadystatechange = (function(_this) { |
|
return function() { |
|
if (_this.states[document.readyState] != null) { |
|
_this.progress = _this.states[document.readyState]; |
|
} |
|
return typeof _onreadystatechange === "function" ? _onreadystatechange.apply(null, arguments) : void 0; |
|
}; |
|
})(this); |
|
} |
|
|
|
return DocumentMonitor; |
|
|
|
})(); |
|
|
|
EventLagMonitor = (function() { |
|
function EventLagMonitor() { |
|
var avg, interval, last, points, samples; |
|
this.progress = 0; |
|
avg = 0; |
|
samples = []; |
|
points = 0; |
|
last = now(); |
|
interval = setInterval((function(_this) { |
|
return function() { |
|
var diff; |
|
diff = now() - last - 50; |
|
last = now(); |
|
samples.push(diff); |
|
if (samples.length > options.eventLag.sampleCount) { |
|
samples.shift(); |
|
} |
|
avg = avgAmplitude(samples); |
|
if (++points >= options.eventLag.minSamples && avg < options.eventLag.lagThreshold) { |
|
_this.progress = 100; |
|
return clearInterval(interval); |
|
} else { |
|
return _this.progress = 100 * (3 / (avg + 3)); |
|
} |
|
}; |
|
})(this), 50); |
|
} |
|
|
|
return EventLagMonitor; |
|
|
|
})(); |
|
|
|
Scaler = (function() { |
|
function Scaler(source1) { |
|
this.source = source1; |
|
this.last = this.sinceLastUpdate = 0; |
|
this.rate = options.initialRate; |
|
this.catchup = 0; |
|
this.progress = this.lastProgress = 0; |
|
if (this.source != null) { |
|
this.progress = result(this.source, 'progress'); |
|
} |
|
} |
|
|
|
Scaler.prototype.tick = function(frameTime, val) { |
|
var scaling; |
|
if (val == null) { |
|
val = result(this.source, 'progress'); |
|
} |
|
if (val >= 100) { |
|
this.done = true; |
|
} |
|
if (val === this.last) { |
|
this.sinceLastUpdate += frameTime; |
|
} else { |
|
if (this.sinceLastUpdate) { |
|
this.rate = (val - this.last) / this.sinceLastUpdate; |
|
} |
|
this.catchup = (val - this.progress) / options.catchupTime; |
|
this.sinceLastUpdate = 0; |
|
this.last = val; |
|
} |
|
if (val > this.progress) { |
|
this.progress += this.catchup * frameTime; |
|
} |
|
scaling = 1 - Math.pow(this.progress / 100, options.easeFactor); |
|
this.progress += scaling * this.rate * frameTime; |
|
this.progress = Math.min(this.lastProgress + options.maxProgressPerFrame, this.progress); |
|
this.progress = Math.max(0, this.progress); |
|
this.progress = Math.min(100, this.progress); |
|
this.lastProgress = this.progress; |
|
return this.progress; |
|
}; |
|
|
|
return Scaler; |
|
|
|
})(); |
|
|
|
sources = null; |
|
|
|
scalers = null; |
|
|
|
bar = null; |
|
|
|
uniScaler = null; |
|
|
|
animation = null; |
|
|
|
cancelAnimation = null; |
|
|
|
Pace.running = false; |
|
|
|
handlePushState = function() { |
|
if (options.restartOnPushState) { |
|
return Pace.restart(); |
|
} |
|
}; |
|
|
|
if (window.history.pushState != null) { |
|
_pushState = window.history.pushState; |
|
window.history.pushState = function() { |
|
handlePushState(); |
|
return _pushState.apply(window.history, arguments); |
|
}; |
|
} |
|
|
|
if (window.history.replaceState != null) { |
|
_replaceState = window.history.replaceState; |
|
window.history.replaceState = function() { |
|
handlePushState(); |
|
return _replaceState.apply(window.history, arguments); |
|
}; |
|
} |
|
|
|
SOURCE_KEYS = { |
|
ajax: AjaxMonitor, |
|
elements: ElementMonitor, |
|
document: DocumentMonitor, |
|
eventLag: EventLagMonitor |
|
}; |
|
|
|
(init = function() { |
|
var l, len1, len2, m, ref1, ref2, ref3, type; |
|
Pace.sources = sources = []; |
|
ref1 = ['ajax', 'elements', 'document', 'eventLag']; |
|
for (l = 0, len1 = ref1.length; l < len1; l++) { |
|
type = ref1[l]; |
|
if (options[type] !== false) { |
|
sources.push(new SOURCE_KEYS[type](options[type])); |
|
} |
|
} |
|
ref3 = (ref2 = options.extraSources) != null ? ref2 : []; |
|
for (m = 0, len2 = ref3.length; m < len2; m++) { |
|
source = ref3[m]; |
|
sources.push(new source(options)); |
|
} |
|
Pace.bar = bar = new Bar; |
|
scalers = []; |
|
return uniScaler = new Scaler; |
|
})(); |
|
|
|
Pace.stop = function() { |
|
Pace.trigger('stop'); |
|
Pace.running = false; |
|
bar.destroy(); |
|
cancelAnimation = true; |
|
if (animation != null) { |
|
if (typeof cancelAnimationFrame === "function") { |
|
cancelAnimationFrame(animation); |
|
} |
|
animation = null; |
|
} |
|
return init(); |
|
}; |
|
|
|
Pace.restart = function() { |
|
Pace.trigger('restart'); |
|
Pace.stop(); |
|
return Pace.start(); |
|
}; |
|
|
|
Pace.go = function() { |
|
var start; |
|
Pace.running = true; |
|
bar.render(); |
|
start = now(); |
|
cancelAnimation = false; |
|
return animation = runAnimation(function(frameTime, enqueueNextFrame) { |
|
var avg, count, done, element, elements, i, j, l, len1, len2, m, ref1, remaining, scaler, scalerList, sum; |
|
remaining = 100 - bar.progress; |
|
count = sum = 0; |
|
done = true; |
|
for (i = l = 0, len1 = sources.length; l < len1; i = ++l) { |
|
source = sources[i]; |
|
scalerList = scalers[i] != null ? scalers[i] : scalers[i] = []; |
|
elements = (ref1 = source.elements) != null ? ref1 : [source]; |
|
for (j = m = 0, len2 = elements.length; m < len2; j = ++m) { |
|
element = elements[j]; |
|
scaler = scalerList[j] != null ? scalerList[j] : scalerList[j] = new Scaler(element); |
|
done &= scaler.done; |
|
if (scaler.done) { |
|
continue; |
|
} |
|
count++; |
|
sum += scaler.tick(frameTime); |
|
} |
|
} |
|
avg = sum / count; |
|
bar.update(uniScaler.tick(frameTime, avg)); |
|
if (bar.done() || done || cancelAnimation) { |
|
bar.update(100); |
|
Pace.trigger('done'); |
|
return setTimeout(function() { |
|
bar.finish(); |
|
Pace.running = false; |
|
return Pace.trigger('hide'); |
|
}, Math.max(options.ghostTime, Math.max(options.minTime - (now() - start), 0))); |
|
} else { |
|
return enqueueNextFrame(); |
|
} |
|
}); |
|
}; |
|
|
|
Pace.start = function(_options) { |
|
var error; |
|
extend(options, _options); |
|
Pace.running = true; |
|
try { |
|
bar.render(); |
|
} catch (error) { |
|
NoTargetError = error; |
|
} |
|
if (!document.querySelector('.pace')) { |
|
return setTimeout(Pace.start, 50); |
|
} else { |
|
Pace.trigger('start'); |
|
return Pace.go(); |
|
} |
|
}; |
|
|
|
if (typeof exports === 'object') { |
|
module.exports = Pace; |
|
} |
|
|
|
if (options.startOnPageLoad) { |
|
Pace.start(); |
|
} |
|
|
|
}).call(this);
|
|
|