{"version":3,"file":"pace.min.js","sources":["https:\/\/www.alsg.org\/home\/theme\/adaptable\/amd\/src\/pace.js"],"sourcesContent":["\/*!\n * pace.js v1.2.4\n * https:\/\/github.com\/CodeByZach\/pace\/\n * Licensed MIT \u00a9 HubSpot, Inc.\n *\/\n(function() {\n    var AjaxMonitor, Bar, DocumentMonitor, ElementMonitor, ElementTracker, EventLagMonitor, Evented, Events, NoTargetError, Pace, RequestIntercept, SOURCE_KEYS, Scaler, SocketRequestTracker, XHRRequestTracker, addEventListener, 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,\n        __slice = [].slice,\n        __hasProp = {}.hasOwnProperty,\n        __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; },\n        __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; },\n        __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };\n\n    defaultOptions = {\n        className: '',\n        catchupTime: 100,\n        initialRate: .03,\n        minTime: 250,\n        ghostTime: 100,\n        maxProgressPerFrame: 20,\n        easeFactor: 1.25,\n        startOnPageLoad: true,\n        restartOnPushState: true,\n        restartOnRequestAfter: 500,\n        target: 'body',\n        elements: {\n            checkInterval: 100,\n            selectors: ['body']\n        },\n        eventLag: {\n            minSamples: 10,\n            sampleCount: 3,\n            lagThreshold: 3\n        },\n        ajax: {\n            trackMethods: ['GET'],\n            trackWebSockets: true,\n            ignoreURLs: []\n        }\n    };\n\n    now = function() {\n        var _ref;\n        return (_ref = typeof performance !== \"undefined\" && performance !== null ? typeof performance.now === \"function\" ? performance.now() : void 0 : void 0) != null ? _ref : +(new Date);\n    };\n\n    requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;\n\n    cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame;\n\n    addEventListener = function(obj, event, callback) {\n        if (typeof obj.addEventListener === \"function\") {\n            return obj.addEventListener(event, callback, false);\n        } else {\n            return function() {\n                if (typeof obj[\"on\" + event] !== \"function\" || typeof obj[\"on\" + event].eventListeners !== \"object\") {\n                    var eventListeners = new Events();\n                    if (typeof obj[\"on\" + event] === \"function\") {\n                        eventListeners.on(event, obj[\"on\" + event]);\n                    }\n                    obj[\"on\" + event] = function(evt) {\n                        return eventListeners.trigger(event, evt);\n                    };\n                    obj[\"on\" + event].eventListeners = eventListeners;\n                } else {\n                    var eventListeners = obj[\"on\" + event].eventListeners;\n                }\n                eventListeners.on(event, callback);\n            }();\n        }\n    };\n\n    if (requestAnimationFrame == null) {\n        requestAnimationFrame = function(fn) {\n            return setTimeout(fn, 50);\n        };\n        cancelAnimationFrame = function(id) {\n            return clearTimeout(id);\n        };\n    }\n\n    runAnimation = function(fn) {\n        var last, tick;\n        last = now();\n        tick = function() {\n            var diff;\n            diff = now() - last;\n            if (diff >= 33) {\n                last = now();\n                return fn(diff, function() {\n                    return requestAnimationFrame(tick);\n                });\n            } else {\n                return setTimeout(tick, 33 - diff);\n            }\n        };\n        return tick();\n    };\n\n    result = function() {\n        var args, key, obj;\n        obj = arguments[0], key = arguments[1], args = 3 <= arguments.length ? __slice.call(arguments, 2) : [];\n        if (typeof obj[key] === 'function') {\n            return obj[key].apply(obj, args);\n        } else {\n            return obj[key];\n        }\n    };\n\n    extend = function() {\n        var key, out, source, sources, val, _i, _len;\n        out = arguments[0], sources = 2 <= arguments.length ? __slice.call(arguments, 1) : [];\n        for (_i = 0, _len = sources.length; _i < _len; _i++) {\n            source = sources[_i];\n            if (source) {\n                for (key in source) {\n                    if (!__hasProp.call(source, key)) continue;\n                    val = source[key];\n                    if ((out[key] != null) && typeof out[key] === 'object' && (val != null) && typeof val === 'object') {\n                        extend(out[key], val);\n                    } else {\n                        out[key] = val;\n                    }\n                }\n            }\n        }\n        return out;\n    };\n\n    avgAmplitude = function(arr) {\n        var count, sum, v, _i, _len;\n        sum = count = 0;\n        for (_i = 0, _len = arr.length; _i < _len; _i++) {\n            v = arr[_i];\n            sum += Math.abs(v);\n            count++;\n        }\n        return sum \/ count;\n    };\n\n    getFromDOM = function(key, json) {\n        var data, e, el;\n        if (key == null) {\n            key = 'options';\n        }\n        if (json == null) {\n            json = true;\n        }\n        el = document.querySelector(\"[data-pace-\" + key + \"]\");\n        if (!el) {\n            return;\n        }\n        data = el.getAttribute(\"data-pace-\" + key);\n        if (!json) {\n            return data;\n        }\n        try {\n            return JSON.parse(data);\n        } catch (_error) {\n            e = _error;\n            return typeof console !== \"undefined\" && console !== null ? console.error(\"Error parsing inline pace options\", e) : void 0;\n        }\n    };\n\n    Evented = (function() {\n        function Evented() {}\n\n        Evented.prototype.on = function(event, handler, ctx, once) {\n            var _base;\n            if (once == null) {\n                once = false;\n            }\n            if (this.bindings == null) {\n                this.bindings = {};\n            }\n            if ((_base = this.bindings)[event] == null) {\n                _base[event] = [];\n            }\n            return this.bindings[event].push({\n                handler: handler,\n                ctx: ctx,\n                once: once\n            });\n        };\n\n        Evented.prototype.once = function(event, handler, ctx) {\n            return this.on(event, handler, ctx, true);\n        };\n\n        Evented.prototype.off = function(event, handler) {\n            var i, _ref, _results;\n            if (((_ref = this.bindings) != null ? _ref[event] : void 0) == null) {\n                return;\n            }\n            if (handler == null) {\n                return delete this.bindings[event];\n            } else {\n                i = 0;\n                _results = [];\n                while (i < this.bindings[event].length) {\n                    if (this.bindings[event][i].handler === handler) {\n                        _results.push(this.bindings[event].splice(i, 1));\n                    } else {\n                        _results.push(i++);\n                    }\n                }\n                return _results;\n            }\n        };\n\n        Evented.prototype.trigger = function() {\n            var args, ctx, event, handler, i, once, _ref, _ref1, _results;\n            event = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];\n            if ((_ref = this.bindings) != null ? _ref[event] : void 0) {\n                i = 0;\n                _results = [];\n                while (i < this.bindings[event].length) {\n                    _ref1 = this.bindings[event][i], handler = _ref1.handler, ctx = _ref1.ctx, once = _ref1.once;\n                    handler.apply(ctx != null ? ctx : this, args);\n                    if (once) {\n                        _results.push(this.bindings[event].splice(i, 1));\n                    } else {\n                        _results.push(i++);\n                    }\n                }\n                return _results;\n            }\n        };\n\n        return Evented;\n\n    })();\n\n    Pace = window.Pace || {};\n\n    window.Pace = Pace;\n\n    extend(Pace, Evented.prototype);\n\n    options = Pace.options = extend({}, defaultOptions, window.paceOptions, getFromDOM());\n\n    _ref = ['ajax', 'document', 'eventLag', 'elements'];\n    for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n        source = _ref[_i];\n        if (options[source] === true) {\n            options[source] = defaultOptions[source];\n        }\n    }\n\n    NoTargetError = (function(_super) {\n        __extends(NoTargetError, _super);\n\n        function NoTargetError() {\n            _ref1 = NoTargetError.__super__.constructor.apply(this, arguments);\n            return _ref1;\n        }\n\n        return NoTargetError;\n\n    })(Error);\n\n    Bar = (function() {\n        function Bar() {\n            this.progress = 0;\n        }\n\n        Bar.prototype.getElement = function() {\n            var targetElement;\n            if (this.el == null) {\n                targetElement = document.querySelector(options.target);\n                if (!targetElement) {\n                    throw new NoTargetError;\n                }\n                this.el = document.createElement('div');\n                this.el.className = \"pace pace-active\";\n                document.body.className = document.body.className.replace(\/(pace-done )|\/, 'pace-running ');\n                var _custom_class_name = (options.className !== '') ? ' '+options.className : '';\n                this.el.innerHTML = '<div class=\"pace-progress'+_custom_class_name+'\">\\n  <div class=\"pace-progress-inner\"><\/div>\\n<\/div>\\n<div class=\"pace-activity\"><\/div>';\n                if (targetElement.firstChild != null) {\n                    targetElement.insertBefore(this.el, targetElement.firstChild);\n                } else {\n                    targetElement.appendChild(this.el);\n                }\n            }\n            return this.el;\n        };\n\n        Bar.prototype.finish = function() {\n            var el;\n            el = this.getElement();\n            el.className = el.className.replace('pace-active', 'pace-inactive');\n            return document.body.className = document.body.className.replace('pace-running ', 'pace-done ');\n        };\n\n        Bar.prototype.update = function(prog) {\n            this.progress = prog;\n            Pace.trigger('progress', prog);\n            return this.render();\n        };\n\n        Bar.prototype.destroy = function() {\n            try {\n                this.getElement().parentNode.removeChild(this.getElement());\n            } catch (_error) {\n                NoTargetError = _error;\n            }\n            return this.el = void 0;\n        };\n\n        Bar.prototype.render = function() {\n            var el, key, progressStr, transform, _j, _len1, _ref2;\n            if (document.querySelector(options.target) == null) {\n                return false;\n            }\n            el = this.getElement();\n            transform = \"translate3d(\" + this.progress + \"%, 0, 0)\";\n            _ref2 = ['webkitTransform', 'msTransform', 'transform'];\n            for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {\n                key = _ref2[_j];\n                el.children[0].style[key] = transform;\n            }\n            if (!this.lastRenderedProgress || this.lastRenderedProgress | 0 !== this.progress | 0) {\n                el.children[0].setAttribute('data-progress-text', \"\" + (this.progress | 0) + \"%\");\n                if (this.progress >= 100) {\n                    progressStr = '99';\n                } else {\n                    progressStr = this.progress < 10 ? \"0\" : \"\";\n                    progressStr += this.progress | 0;\n                }\n                el.children[0].setAttribute('data-progress', \"\" + progressStr);\n            }\n            Pace.trigger('change', this.progress);\n            return this.lastRenderedProgress = this.progress;\n        };\n\n        Bar.prototype.done = function() {\n            return this.progress >= 100;\n        };\n\n        return Bar;\n\n    })();\n\n    Events = (function() {\n        function Events() {\n            this.bindings = {};\n        }\n\n        Events.prototype.trigger = function(name, val) {\n            var binding, _j, _len1, _ref2, _results;\n            if (this.bindings[name] != null) {\n                _ref2 = this.bindings[name];\n                _results = [];\n                for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {\n                    binding = _ref2[_j];\n                    _results.push(binding.call(this, val));\n                }\n                return _results;\n            }\n        };\n\n        Events.prototype.on = function(name, fn) {\n            var _base;\n            if ((_base = this.bindings)[name] == null) {\n                _base[name] = [];\n            }\n            return this.bindings[name].push(fn);\n        };\n\n        return Events;\n\n    })();\n\n    _XMLHttpRequest = window.XMLHttpRequest;\n\n    _XDomainRequest = window.XDomainRequest;\n\n    _WebSocket = window.WebSocket;\n\n    extendNative = function(to, from) {\n        var e, key, _results;\n        _results = [];\n        for (key in from.prototype) {\n            try {\n                if ((to[key] == null) && typeof from[key] !== 'function') {\n                    if (typeof Object.defineProperty === 'function') {\n                        _results.push(Object.defineProperty(to, key, {\n                            get: (function(key) {\n                                return function() {\n                                    return from.prototype[key];\n                                };\n                            })(key),\n                            configurable: true,\n                            enumerable: true\n                        }));\n                    } else {\n                        _results.push(to[key] = from.prototype[key]);\n                    }\n                } else {\n                    _results.push(void 0);\n                }\n            } catch (_error) {\n                e = _error;\n            }\n        }\n        return _results;\n    };\n\n    ignoreStack = [];\n\n    Pace.ignore = function() {\n        var args, fn, ret;\n        fn = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];\n        ignoreStack.unshift('ignore');\n        ret = fn.apply(null, args);\n        ignoreStack.shift();\n        return ret;\n    };\n\n    Pace.track = function() {\n        var args, fn, ret;\n        fn = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];\n        ignoreStack.unshift('track');\n        ret = fn.apply(null, args);\n        ignoreStack.shift();\n        return ret;\n    };\n\n    shouldTrack = function(method) {\n        var _ref2;\n        if (method == null) {\n            method = 'GET';\n        }\n        if (ignoreStack[0] === 'track') {\n            return 'force';\n        }\n        if (!ignoreStack.length && options.ajax) {\n            if (method === 'socket' && options.ajax.trackWebSockets) {\n                return true;\n            } else if (_ref2 = method.toUpperCase(), __indexOf.call(options.ajax.trackMethods, _ref2) >= 0) {\n                return true;\n            }\n        }\n        return false;\n    };\n\n    RequestIntercept = (function(_super) {\n        __extends(RequestIntercept, _super);\n\n        function RequestIntercept() {\n            var monitorXHR,\n                _this = this;\n            RequestIntercept.__super__.constructor.apply(this, arguments);\n            monitorXHR = function(req) {\n                var _open;\n                _open = req.open;\n                return req.open = function(type, url, async) {\n                    if (shouldTrack(type)) {\n                        _this.trigger('request', {\n                            type: type,\n                            url: url,\n                            request: req\n                        });\n                    }\n                    return _open.apply(req, arguments);\n                };\n            };\n            window.XMLHttpRequest = function(flags) {\n                var req;\n                req = new _XMLHttpRequest(flags);\n                monitorXHR(req);\n                return req;\n            };\n            try {\n                extendNative(window.XMLHttpRequest, _XMLHttpRequest);\n            } catch (_error) {}\n            if (_XDomainRequest != null) {\n                window.XDomainRequest = function() {\n                    var req;\n                    req = new _XDomainRequest;\n                    monitorXHR(req);\n                    return req;\n                };\n                try {\n                    extendNative(window.XDomainRequest, _XDomainRequest);\n                } catch (_error) {}\n            }\n            if ((_WebSocket != null) && options.ajax.trackWebSockets) {\n                window.WebSocket = function(url, protocols) {\n                    var req;\n                    if (protocols != null) {\n                        req = new _WebSocket(url, protocols);\n                    } else {\n                        req = new _WebSocket(url);\n                    }\n                    if (shouldTrack('socket')) {\n                        _this.trigger('request', {\n                            type: 'socket',\n                            url: url,\n                            protocols: protocols,\n                            request: req\n                        });\n                    }\n                    return req;\n                };\n                try {\n                    extendNative(window.WebSocket, _WebSocket);\n                } catch (_error) {}\n            }\n        }\n\n        return RequestIntercept;\n\n    })(Events);\n\n    _intercept = null;\n\n    getIntercept = function() {\n        if (_intercept == null) {\n            _intercept = new RequestIntercept;\n        }\n        return _intercept;\n    };\n\n    shouldIgnoreURL = function(url) {\n        var pattern, _j, _len1, _ref2;\n        _ref2 = options.ajax.ignoreURLs;\n        for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {\n            pattern = _ref2[_j];\n            if (typeof pattern === 'string') {\n                if (url.indexOf(pattern) !== -1) {\n                    return true;\n                }\n            } else {\n                if (pattern.test(url)) {\n                    return true;\n                }\n            }\n        }\n        return false;\n    };\n\n    getIntercept().on('request', function(_arg) {\n        var after, args, request, type, url;\n        type = _arg.type, request = _arg.request, url = _arg.url;\n        if (shouldIgnoreURL(url)) {\n            return;\n        }\n        if (!Pace.running && (options.restartOnRequestAfter !== false || shouldTrack(type) === 'force')) {\n            args = arguments;\n            after = options.restartOnRequestAfter || 0;\n            if (typeof after === 'boolean') {\n                after = 0;\n            }\n            return setTimeout(function() {\n                var stillActive, _j, _len1, _ref2, _ref3, _results;\n                if (type === 'socket') {\n                    stillActive = request.readyState < 1;\n                } else {\n                    stillActive = (0 < (_ref2 = request.readyState) && _ref2 < 4);\n                }\n                if (stillActive) {\n                    Pace.restart();\n                    _ref3 = Pace.sources;\n                    _results = [];\n                    for (_j = 0, _len1 = _ref3.length; _j < _len1; _j++) {\n                        source = _ref3[_j];\n                        if (source instanceof AjaxMonitor) {\n                            source.watch.apply(source, args);\n                            break;\n                        } else {\n                            _results.push(void 0);\n                        }\n                    }\n                    return _results;\n                }\n            }, after);\n        }\n    });\n\n    AjaxMonitor = (function() {\n        function AjaxMonitor() {\n            this.complete = __bind(this.complete, this);\n            var _this = this;\n            this.elements = [];\n            getIntercept().on('request', function() {\n                return _this.watch.apply(_this, arguments);\n            });\n        }\n\n        AjaxMonitor.prototype.watch = function(_arg) {\n            var request, tracker, type, url;\n            type = _arg.type, request = _arg.request, url = _arg.url;\n            if (shouldIgnoreURL(url)) {\n                return;\n            }\n            if (type === 'socket') {\n                tracker = new SocketRequestTracker(request, this.complete);\n            } else {\n                tracker = new XHRRequestTracker(request, this.complete);\n            }\n            return this.elements.push(tracker);\n        };\n\n        AjaxMonitor.prototype.complete = function(tracker) {\n            return this.elements = this.elements.filter(function(e) {\n                return e !== tracker;\n            });\n        };\n\n        return AjaxMonitor;\n\n    })();\n\n    XHRRequestTracker = (function() {\n        function XHRRequestTracker(request, completeCallback) {\n            var event, size, _j, _len1, _onreadystatechange, _ref2,\n                _this = this;\n            this.progress = 0;\n            if (window.ProgressEvent != null) {\n                size = null;\n                addEventListener(request, 'progress', function(evt) {\n                    if (evt.lengthComputable) {\n                        return _this.progress = 100 * evt.loaded \/ evt.total;\n                    } else {\n                        return _this.progress = _this.progress + (100 - _this.progress) \/ 2;\n                    }\n                }, false);\n                _ref2 = ['load', 'abort', 'timeout', 'error'];\n                for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {\n                    event = _ref2[_j];\n                    addEventListener(request, event, function() {\n                        completeCallback(_this);\n                        return _this.progress = 100;\n                    }, false);\n                }\n            } else {\n                _onreadystatechange = request.onreadystatechange;\n                request.onreadystatechange = function() {\n                    var _ref3;\n                    if ((_ref3 = request.readyState) === 0 || _ref3 === 4) {\n                        completeCallback(_this);\n                        _this.progress = 100;\n                    } else if (request.readyState === 3) {\n                        _this.progress = 50;\n                    }\n                    return typeof _onreadystatechange === \"function\" ? _onreadystatechange.apply(null, arguments) : void 0;\n                };\n            }\n        }\n\n        return XHRRequestTracker;\n\n    })();\n\n    SocketRequestTracker = (function() {\n        function SocketRequestTracker(request, completeCallback) {\n            var event, _j, _len1, _ref2,\n                _this = this;\n            this.progress = 0;\n            _ref2 = ['error', 'open'];\n            for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {\n                event = _ref2[_j];\n                addEventListener(request, event, function() {\n                    completeCallback(_this);\n                    return _this.progress = 100;\n                }, false);\n            }\n        }\n\n        return SocketRequestTracker;\n\n    })();\n\n    ElementMonitor = (function() {\n        function ElementMonitor(options) {\n            var selector, _j, _len1, _ref2;\n            if (options == null) {\n                options = {};\n            }\n            this.complete = __bind(this.complete, this);\n            this.elements = [];\n            if (options.selectors == null) {\n                options.selectors = [];\n            }\n            _ref2 = options.selectors;\n            for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {\n                selector = _ref2[_j];\n                this.elements.push(new ElementTracker(selector, this.complete));\n            }\n        }\n\n        ElementMonitor.prototype.complete = function(tracker) {\n            return this.elements = this.elements.filter(function(e) {\n                return e !== tracker;\n            });\n        };\n\n        return ElementMonitor;\n\n    })();\n\n    ElementTracker = (function() {\n        function ElementTracker(selector, completeCallback) {\n            this.selector = selector;\n            this.completeCallback = completeCallback;\n            this.progress = 0;\n            this.check();\n        }\n\n        ElementTracker.prototype.check = function() {\n            var _this = this;\n            if (document.querySelector(this.selector)) {\n                return this.done();\n            } else {\n                return setTimeout((function() {\n                    return _this.check();\n                }), options.elements.checkInterval);\n            }\n        };\n\n        ElementTracker.prototype.done = function() {\n            this.completeCallback(this);\n            this.completeCallback = null;\n            return this.progress = 100;\n        };\n\n        return ElementTracker;\n\n    })();\n\n    DocumentMonitor = (function() {\n        DocumentMonitor.prototype.states = {\n            loading: 0,\n            interactive: 50,\n            complete: 100\n        };\n\n        function DocumentMonitor() {\n            var _onreadystatechange, _ref2,\n                _this = this;\n            this.progress = (_ref2 = this.states[document.readyState]) != null ? _ref2 : 100;\n            _onreadystatechange = document.onreadystatechange;\n            document.onreadystatechange = function() {\n                if (_this.states[document.readyState] != null) {\n                    _this.progress = _this.states[document.readyState];\n                }\n                return typeof _onreadystatechange === \"function\" ? _onreadystatechange.apply(null, arguments) : void 0;\n            };\n        }\n\n        return DocumentMonitor;\n\n    })();\n\n    EventLagMonitor = (function() {\n        function EventLagMonitor() {\n            var avg, interval, last, points, samples,\n                _this = this;\n            this.progress = 0;\n            avg = 0;\n            samples = [];\n            points = 0;\n            last = now();\n            interval = setInterval(function() {\n                var diff;\n                diff = now() - last - 50;\n                last = now();\n                samples.push(diff);\n                if (samples.length > options.eventLag.sampleCount) {\n                    samples.shift();\n                }\n                avg = avgAmplitude(samples);\n                if (++points >= options.eventLag.minSamples && avg < options.eventLag.lagThreshold) {\n                    _this.progress = 100;\n                    return clearInterval(interval);\n                } else {\n                    return _this.progress = 100 * (3 \/ (avg + 3));\n                }\n            }, 50);\n        }\n\n        return EventLagMonitor;\n\n    })();\n\n    Scaler = (function() {\n        function Scaler(source) {\n            this.source = source;\n            this.last = this.sinceLastUpdate = 0;\n            this.rate = options.initialRate;\n            this.catchup = 0;\n            this.progress = this.lastProgress = 0;\n            if (this.source != null) {\n                this.progress = result(this.source, 'progress');\n            }\n        }\n\n        Scaler.prototype.tick = function(frameTime, val) {\n            var scaling;\n            if (val == null) {\n                val = result(this.source, 'progress');\n            }\n            if (val >= 100) {\n                this.done = true;\n            }\n            if (val === this.last) {\n                this.sinceLastUpdate += frameTime;\n            } else {\n                if (this.sinceLastUpdate) {\n                    this.rate = (val - this.last) \/ this.sinceLastUpdate;\n                }\n                this.catchup = (val - this.progress) \/ options.catchupTime;\n                this.sinceLastUpdate = 0;\n                this.last = val;\n            }\n            if (val > this.progress) {\n                this.progress += this.catchup * frameTime;\n            }\n            scaling = 1 - Math.pow(this.progress \/ 100, options.easeFactor);\n            this.progress += scaling * this.rate * frameTime;\n            this.progress = Math.min(this.lastProgress + options.maxProgressPerFrame, this.progress);\n            this.progress = Math.max(0, this.progress);\n            this.progress = Math.min(100, this.progress);\n            this.lastProgress = this.progress;\n            return this.progress;\n        };\n\n        return Scaler;\n\n    })();\n\n    sources = null;\n\n    scalers = null;\n\n    bar = null;\n\n    uniScaler = null;\n\n    animation = null;\n\n    cancelAnimation = null;\n\n    Pace.running = false;\n\n    handlePushState = function() {\n        if (options.restartOnPushState) {\n            return Pace.restart();\n        }\n    };\n\n    if (window.history.pushState != null) {\n        _pushState = window.history.pushState;\n        window.history.pushState = function() {\n            handlePushState();\n            return _pushState.apply(window.history, arguments);\n        };\n    }\n\n    if (window.history.replaceState != null) {\n        _replaceState = window.history.replaceState;\n        window.history.replaceState = function() {\n            handlePushState();\n            return _replaceState.apply(window.history, arguments);\n        };\n    }\n\n    SOURCE_KEYS = {\n        ajax: AjaxMonitor,\n        elements: ElementMonitor,\n        document: DocumentMonitor,\n        eventLag: EventLagMonitor\n    };\n\n    (init = function() {\n        var type, _j, _k, _len1, _len2, _ref2, _ref3, _ref4;\n        Pace.sources = sources = [];\n        _ref2 = ['ajax', 'elements', 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