10125207783

Committed 27 Jul 2024 04:18PM UTC coverage: 76.116% (-0.09%) from 76.21%

Build # 10125207783

Build Type

push

github

Committed by

lauriro

Commit Message

Make LiteJS to emitter and emit all view events to it

Run Details

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Branch coverage included in aggregate %.

2 of 2 new or added lines in 1 file covered. (100.0%)

77 existing lines in 1 file now uncovered.

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64.18

/ui.js


/* litejs.com/MIT-LICENSE.txt */

/* global xhr, navigator */

/*** debug ***/
console.log("LiteJS is in debug mode, but it's fine for production")
/**/

!function(window, document, history, localStorage, location, navigator, Function, Object) {
        window.El = El
        asEmitter(window.LiteJS = LiteJS)

        var UNDEF, lastExp, parser, pushBase, styleNode
        , html = document.documentElement
        , body = document.body
        , splitRe = /[,\s]+/
        , emptyArr = []
        , assign = Object.assign
        , create = Object.create
        , isArr = Array.isArray
        , slice = emptyArr.slice
        , elReplace = Function("a,b,c", "(c=a&&b&&a.parentNode)&&c.replaceChild(b,a)")
        , elRm = Function("e,k", "(k=e&&e.parentNode)&&k.removeChild(e)")
        , getAttr = Function("e,k", "return e&&e.getAttribute&&e.getAttribute(k)")
        , replace = Function("a,b,c", "return a.replace(b,c)")

        // JScript engine in IE8 and below does not recognize vertical tabulation character `\v`.
        // http://webreflection.blogspot.com/2009/01/32-bytes-to-know-if-your-browser-is-ie.html
        , ie678 = !+"\v1" // jshint ignore:line

        , BIND_ATTR = "data-bind"
        , elSeq = 0
        , elCache = {}
        , formatRe = /{((?:("|')(?:\\\2|[\s\S])*?\2|[^"'{}])+?)}/g
        , renderRe = /[;\s]*([-\w$]+)(?:([ :!])((?:(["'\/])(?:\\.|[^\\])*?\4|[^;])*))?/g
        , selectorRe = /([.#:[])([-\w]+)(?:([~^$*|]?)=(("|')(?:\\.|[^\\])*?\5|[-\w]+))?]?/g
        , templateRe = /([ \t]*)(%?)((?:("|')(?:\\.|[^\\])*?\4|[-\w:.#[\]~^$*|]=?)*) ?([\/>+=@^;]|)(([\])}]?).*?([[({]?))(?=\x1f|\n|$)+/g
        , fnCache = {}
        , fnRe = /('|")(?:\\.|[^\\])*?\1|\/(?:\\.|[^\\])+?\/[gim]*|\$el\b|\$[aos]\b|\b(?:false|in|if|new|null|this|true|typeof|void|function|var|else|return)\b|\.\w+|\w+:/g
        , wordRe = /[a-z_$][\w$]*/ig
        , camelRe = /\-([a-z])/g
        // innerText is implemented in IE4, textContent in IE9, Node.text in Opera 9-10
        // Safari 2.x innerText results an empty string when style.display=="none" or Node is not in DOM
        , txtAttr = "textContent" in html ? "textContent" : "innerText"
        , bindingsCss = acceptMany(function(el, key, val) {
                el.style[replace(key, camelRe, camelFn)] = val
        })
        , bindingsOn = acceptMany(addEvent, function(el, val, selector, data) {
                return isStr(val) ? function(e) {
                        var target = selector ? closest(e.target, selector) : el
                        if (target) emit.apply(elScope(el).$ui, [val, e, target].concat(data))
                } :
                selector ? function(e, a1, a2) {
                        if (matches(e.target, selector)) val(e, a1, a2)
                } :
                val
        })
        , bindings = {
                cls: acceptMany(cls),
                css: bindingsCss,
                on: bindingsOn,
                set: acceptMany(setAttr),
                txt: elTxt,
                val: elVal,
                view: function(el, url) {
                        setAttr(el, "href", (pushBase || "#") + expand(url || ""))
                }
        }
        , globalScope = {
                El: El,
                _: format,
                _f: format,
                $b: bindings
        }
        , elArr = {
                append: function(el) {
                        var elWrap = this
                        if (elWrap._s) {
                                append(elWrap[elWrap._s[getAttr(el, "slot") || elWrap._s._] || 0], el)
                        } else {
                                elWrap.push(el)
                        }
                        return elWrap
                },
                cloneNode: function(deep) {
                        deep = ElWrap(this, deep)
                        deep._s = this._s
                        return deep
                }
        }
        , plugins = {}
        , sources = []
        , hasOwn = plugins.hasOwnProperty

        , Event = window.Event || window
        , fixEv = Event.fixEv || (Event.fixEv = {})
        , fixFn = Event.fixFn || (Event.fixFn = {})

        /*** svg ***/
        bindings.xlink = function(el, href) {
                // In SVG2, xlink namespace is not needed, plain href can be used (Chrome50 2016, Firefox51 2017).
                el.setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href", href)
        }
        if (window.SVGElement) {
                each("animate animateMotion animateTransform circle clipPath defs desc ellipse feBlend feColorMatrix feComponentTransfer feComposite feConvolveMatrix feDiffuseLighting feDisplacementMap feDistantLight feDropShadow feFlood feFuncA feFuncB feFuncG feFuncR feGaussianBlur feImage feMerge feMergeNode feMorphology feOffset fePointLight feSpecularLighting feSpotLight feTile feTurbulence filter foreignObject g image line linearGradient marker mask metadata mpath path pattern polygon polyline radialGradient rect script set stop svg switch symbol text textPath tspan use view", function(name) {
                        elCache[name] = document.createElementNS("http://www.w3.org/2000/svg", name)
                })
                // a style title
        }
        /**/

        Event.asEmitter = asEmitter
        Event.stop = eventStop

        xhr.css = injectCss
        xhr.ui = sources.push.bind(sources)

        function asEmitter(obj) {
                obj.on = on
                obj.off = off
                obj.one = one
                obj.emit = emit
                // emitNext, emitLate
        }

        function on(type, fn, scope, _origin) {
                var emitter = this === window ? emptyArr : this
                , events = emitter._e || (emitter._e = create(null))
                if (type && fn) {
                        if (isStr(fn)) fn = emit.bind(emitter, fn)
                        emit.call(emitter, "newListener", type, fn, scope, _origin)
                        ;(events[type] || (events[type] = [])).unshift(scope, _origin, fn)
                }
                return this
        }

        function off(type, fn, scope) {
                var i, args
                , emitter = this === window ? emptyArr : this
                , events = emitter._e && emitter._e[type]
                if (events) {
                        for (i = events.length - 2; i > 0; i -= 3) {
                                if ((events[i + 1] === fn || events[i] === fn) && events[i - 1] == scope) {
                                        args = events.splice(i - 1, 3)
                                        emit.call(emitter, "removeListener", type, args[2], args[0], args[1])
                                        if (fn) break
                                }
                        }
                }
                return this
        }

        function one(type, fn, scope) {
                var emitter = this === window ? emptyArr : this
                function remove() {
                        off.call(emitter, type, fn, scope)
                        off.call(emitter, type, remove, scope)
                }
                on.call(emitter, type, remove, scope)
                on.call(emitter, type, fn, scope)
                return this
        }

        function emit(type) {
                var args, i
                , emitter = this === window ? emptyArr : this
                , _e = emitter._e
                , arr = _e ? (_e[type] || emptyArr).concat(_e["*"] || emptyArr) : emptyArr
                if ((_e = arr.length)) {
                        for (i = _e - 1, args = slice.call(arguments, 1); i > 1; i -= 3) {
                                if (arr[i]) arr[i].apply(arr[i - 2] || emitter, args)
                        }
                }
                return _e / 3
        }

        function addEvent(el, ev, fn, opts) {
                var fn2 = fixFn[ev] && fixFn[ev](el, fn, ev) || fn
                , ev2 = fixEv[ev] || ev

                if (ev2 !== "" && "on" + ev2 in el) {
                        // polyfilled addEventListener returns patched function
                        // Since Chrome 56 touchstart/move have the { passive: true } by default.
                        // preventDefault() won't work unless you set passive to false.
                        fn2 = html.addEventListener.call(el, ev2, fn2, opts != UNDEF ? opts : false) || fn2
                }

                on.call(el, ev, fn2, el, fn)
        }

        function rmEvent(el, ev, fn) {
                var evs = el._e && el._e[ev]
                , id = evs && evs.indexOf(fn)
                , ev2 = fixEv[ev] || ev
                if (id > -1) {
                        if (fn !== evs[id + 1] && evs[id + 1]._rm) {
                                evs[id + 1]._rm()
                        }
                        if (ev2 !== "" && "on" + ev2 in el) {
                                html.removeEventListener.call(el, ev2, evs[id + 1])
                        }
                        evs.splice(id - 1, 3)
                }
        }

        function eventStop(e) {
                if (e && e.preventDefault) {
                        e.stopPropagation()
                        e.preventDefault()
                }
                return false
        }

        function LiteJS(opts) {
                opts = assign({
                        path: "",
                        /*** breakpoints ***/
                        breakpoints: {
                                sm: 0,
                                md: 601,
                                lg: 1025
                        },
                        /**/
                        home: "home",
                        root: body
                }, opts)

                function View(route, el, parent) {
                        var view = views[route]
                        if (view) {
                                if (el) {
                                        view.e = el
                                        view.p = parent && View(parent)
                                }
                                return view
                        }
                        view = this
                        if (!(view instanceof View)) return new View(route, el, parent)
                        views[view.r = route] = view
                        view.e = isStr(el) ? find(html, el) : el
                        view.p = parent && View(parent)

                        if (route.charAt(0) !== "#") {
                                fnStr += "m[" + (view.s = routeSeq++) + "]?("
                                reStr += "|(" + replace(route, routeRe, function(_, expr) {
                                        return expr ?
                                                (fnStr += "p['" + expr + "']=m[" + (routeSeq++) + "],") && "([^/]+?)" :
                                                replace(_, reEsc, "\\$&")
                                }) + ")"
                                fnStr += "'" + route + "'):"
                                viewFn = 0
                        }
                }

                asEmitter(View)
                asEmitter(View.prototype = {
                        show: function(_params) {
                                var parent
                                , params = lastParams = _params || {} // jshint ignore:line
                                , view = lastView = this // jshint ignore:line
                                , tmp = params._v || view // Continue bubbleUp from _v

                                params._c = view.o ? view : params._c
                                for (View.route = view.r; tmp; tmp = parent) {
                                        viewEmit(syncResume = params._v = tmp, "ping", params, View)
                                        syncResume = UNDEF
                                        if (lastParams !== params) return
                                        if ((parent = tmp.p)) {
                                                if (parent.c && parent.c !== tmp) {
                                                        params._c = parent.c
                                                }
                                                parent.c = tmp
                                        }
                                        if (tmp.f) {
                                                return xhr.load(
                                                        replace(tmp.f, /^|,/g, "$&" + View.path).split(","),
                                                        readTemplates.bind(view, view.wait(tmp.f = ""))
                                                )
                                        } else if (!tmp.e) {
                                                if (tmp.r === "404") {
                                                        viewParse("%view 404 #\nh2 Not found")
                                                }
                                                return View("404").show({origin:params})
                                        }
                                }

                                for (tmp in params) {
                                        if (tmp.charAt(0) !== "_" && (syncResume = hasOwn.call(paramCb, tmp) && paramCb[tmp] || paramCb["*"])) {
                                                syncResume(params[tmp], tmp, view, params)
                                                syncResume = UNDEF
                                        }
                                }
                                viewEmit(view, "nav")
                                bubbleDown(params)
                        },
                        wait: function() {
                                var params = lastParams
                                params._p = 1 + (params._p | 0) // pending
                                return function() {
                                        if (--params._p || lastParams !== params || syncResume) return
                                        if (params._d) {
                                                bubbleDown(params)
                                        } else if (params._v) {
                                                lastView.show(params)
                                        }
                                }
                        }
                })

                var root = opts.root
                , viewFn, lastView, lastUrl, syncResume
                , fnStr = ""
                , reStr = ""
                , reEsc = /[.*+?^${}()|[\]/\\]/g
                , routeRe = /\{([\w%.]+?)\}|.[^{\\]*?/g
                , routeSeq = 1

                , views = View.views = {}
                , paramCb = {}
                , lastParams = paramCb
                , $d = elScope(View("#", root).e, root)

                $d.$ui = assign(View, {
                        $: find.bind(View, root),
                        $$: findAll.bind(View, root),
                        $d: $d,
                        def: viewDef,
                        get: viewGet,
                        param: function(names, cb) {
                                each(names, function(n) {
                                        paramCb[n] = cb
                                })
                        },
                        parse: (parser = viewParse),
                        ping: function(view, fn) {
                                View(view).on("ping", fn)
                        },
                        show: viewShow
                })

                each(opts, function(val, opt) {
                        if (isFn(View[opt])) {
                                each(val, function(obj, key) {
                                        View[opt](key, obj)
                                })
                        } else {
                                View[opt] = val
                        }
                })

                function appendBind(el, val, sep, q) {
                        var current = getAttr(el, BIND_ATTR)
                        setAttr(el, BIND_ATTR, (current ? (
                                q === "^" ?
                                val + sep + current :
                                current + sep + val
                        ) : val))
                }
                function bubbleDown(params) {
                        var view = params._v
                        , close = params._c
                        , parent = view && view.p
                        if (!view || params._p && /{/.test(view.r)) {
                                return viewClose(close)
                        }
                        if (parent && !view.o || view === close) {
                                viewClose(close, view)
                                append(parent.o || parent.e, view.o = view.e.cloneNode(true))
                                render(view.o)
                                viewEmit(parent, "openChild", view, close)
                                viewEmit(view, "open", params)
                                addKb(view.kb)
                                params._c = UNDEF
                        }
                        if ((params._d = params._v = view.c)) {
                                bubbleDown(params)
                        }
                        if ((lastView === view)) {
                                viewEmit(view, "show", params)
                                blur()
                        }
                }

                function viewClose(view, open) {
                        if (view && view.o) {
                                viewEmit(view.p, "closeChild", view, open)
                                viewClose(view.c)
                                elKill(view.o)
                                view.o = UNDEF
                                rmKb(view.kb)
                                viewEmit(view, "close")
                        }
                }
                function viewDef(str) {
                        for (var match, re = /(\S+) (\S+)/g; (match = re.exec(str)); ) {
                                each(match[1], def)
                        }
                        function def(view) {
                                view = View(expand(view))
                                each(match[2], function(file) {
                                        view.f = (view.f ? view.f + "," : "") + (views[file] ? views[file].f : expand(file))
                                })
                        }
                }
                function viewEmit(view, event, a, b) {
                        view.emit(event, a, b)
                        View.emit(event, view, a, b)
                        LiteJS.emit(event, view, a, b)
                }
                function viewEval(str, scope) {
                        try {
                                Function("$s,$ui,$d,$,$$", str)(scope, View, $d, View.$, View.$$)
                        } catch(e) {
                                logErr(e, "viewEval: " + str)
                        }
                }
                function viewGet(url, params) {
                        if (!viewFn) {
                                viewFn = Function(
                                        "var r=/^\\/?(?:" + reStr + ")[\\/\\s]*$/;" +
                                        "return function(u,p,d){var m=r.exec(u);return m!==null?(" + fnStr + "d):d}"
                                )()
                        }
                        return View(url ? viewFn(url, params || {}, "404") : View.home)
                }
                function viewParse(str) {
                        var parent = El("div")
                        , stack = [-1]
                        , parentStack = []

                        function work(all, indent, plugin, sel, q, op, text, mapEnd, mapStart, offset) {
                                if (offset && all === indent) return

                                for (q = indent.length; q <= stack[0]; ) {
                                        if (parent.p) {
                                                if (parent.p.c && !parent.p.e.childNodes[0]) break
                                                parent.p.d(parent.p)
                                        }
                                        parent = parentStack.pop()
                                        stack.shift()
                                }
                                if (op === "@") {
                                        text = replace(text, /([\w,.]+):?/, "on!'$1',")
                                }
                                if (parent.r) {
                                        parent.t += "\n" + all
                                } else if (plugin || mapStart && (sel = "map")) {
                                        if (plugins[sel]) {
                                                parentStack.push(parent)
                                                stack.unshift(q)
                                                parent = (new plugins[sel](parent, op + text, mapEnd ? "" : ";")).e
                                        } else {
                                                append(parent, all)
                                        }
                                } else if (mapEnd) {
                                        appendBind(parent, text, "")
                                } else {
                                        if (sel) {
                                                parentStack.push(parent)
                                                stack.unshift(q)
                                                append(parent, parent = El(sel))
                                        }
                                        if (text && op != "/") {
                                                if (op === ">" || op === "+") {
                                                        replace(indent + (op === "+" ? text : " " + text), templateRe, work)
                                                } else if (op === "=") {
                                                        append(parent, text) // + "\n")
                                                } else {
                                                        if (op === "") {
                                                                text = "txt _('" + replace(text, /'/g, "\\'") + "',$s)"
                                                        }
                                                        appendBind(parent, text, ";", op)
                                                }
                                        }
                                }
                        }
                        replace(str, templateRe, work)
                        work("", "")
                        if (parent.childNodes[0]) {
                                append(root, parent.childNodes)
                                render(root)
                                /*** debug ***/
                                console.log("Outside view defined elements are rendered immediately into UI")
                                /**/
                        }
                        if (parent.i) {
                                histStart(viewShow)
                        }
                }
                function viewShow(url, _params) {
                        if (url === true) {
                                if (lastParams._p > 0) return
                                url = lastUrl
                                lastUrl = 0
                        }
                        var params = _params || {}
                        , view = viewGet(url, params)
                        if (!view.o || lastUrl !== url) {
                                $d.url = lastExp = lastUrl = url
                                view.show($d.params = params)
                        }
                }

                function addPlugin(name, proto) {
                        plugins[name] = Plugin
                        function Plugin(parent, op, sep) {
                                var plugin = this
                                , arr = op.split(splitRe)
                                plugin.n = arr[0] // name
                                plugin.x = arr[1] // View parent
                                plugin.u = parent
                                if (plugin.r) {
                                        plugin.t = ""
                                        plugin.p = plugin.e = plugin
                                        plugin.o = op
                                        plugin.s = sep
                                } else {
                                        if (plugin.c) {
                                                elCache = create(plugin.c = elCache)
                                        }
                                        plugin.e = El(name === "svg" ? name : "div")
                                        plugin.e.p = plugin
                                }
                        }
                        if (proto.r) proto.d = Function("p", "p.r(p.o||p.t)")
                        assign(Plugin.prototype, proto)
                }
                function usePluginContent(plugin) {
                        var el = plugin.e
                        , childNodes = el.childNodes
                        , child = childNodes[1] ? ElWrap(childNodes) : childNodes[0]
                        , contentPos = el._cp

                        if (contentPos > -1) {
                                if (childNodes[contentPos].nodeType < 2 && el._sk) {
                                        setAttr(childNodes[contentPos], "data-slot", el._sk)
                                }
                                child._s = el._s
                        }
                        if (plugin.c) elCache = plugin.c
                        el.p = plugin.e = plugin.u = UNDEF
                        return child
                }

                addPlugin("start", {
                        d: Function("p", "p.u.i=1")
                })
                addPlugin("slot", {
                        d: function(plugin) {
                                var slotName = plugin.n || ++elSeq
                                , parent = plugin.u
                                append(parent, Comm("slot" + slotName))
                                // In IE6 root div is inside documentFragment
                                for (; (parent.parentNode || plugin).nodeType < 2; parent = parent.parentNode);
                                ;(parent._s || (parent._s = {}))[slotName] = parent.childNodes.length - 1
                                if (!plugin.n) parent._s._ = parent._sk = slotName
                                parent._cp = parent.childNodes.length - 1
                        }
                })
                addPlugin("css",  { r: injectCss })
                addPlugin("def",  { r: viewDef })
                addPlugin("js",   { r: viewEval })
                addPlugin("each", {
                        r: function(params) {
                                var txt = this.t
                                each(params, function(param) {
                                        viewParse(replace(txt, /{key}/g, param))
                                })
                        }
                })
                addPlugin("el", {
                        c: 1,
                        d: function(plugin) {
                                var parent = plugin.u
                                , el = usePluginContent(plugin)
                                elCache[plugin.n] = el
                                return parent
                        }
                })
                plugins.svg = plugins.el
                addPlugin("map", {
                        r: function() {
                                var plugin = this
                                , txt = plugin.o + plugin.t
                                appendBind(plugin.u, plugin.s ? txt.slice(1) : txt, plugin.s)
                        }
                })
                addPlugin("view", {
                        c: 1,
                        d: function(plugin) {
                                var bind = getAttr(plugin.e, BIND_ATTR)
                                , view = View(plugin.n, usePluginContent(plugin), plugin.x)
                                if (bind) {
                                        bind = replace(bind, renderRe, function(_, name, op, args) {
                                                return "($s." + name + (isFn(view[name]) ? "(" + (args || "") + ")" : "=" + args) + "),"
                                        }) + "1"
                                        viewEval(bind, view)
                                }
                        }
                })

                /*** breakpoints ***/
                var lastSize, lastOrient
                , breakpoints = opts.breakpoints
                , setBreakpointsRated = rate(function() {
                        // document.documentElement.clientWidth is 0 in IE5
                        var point, next
                        , width = html.offsetWidth

                        for (point in breakpoints) {
                                if (breakpoints[point] > width) break
                                next = point
                        }

                        if (next != lastSize) {
                                cls(html, lastSize, 0)
                                cls(html, lastSize = next)
                        }

                        next = width > html.offsetHeight ? "land" : "port"

                        if (next != lastOrient) {
                                cls(html, lastOrient, 0)
                                cls(html, lastOrient = next)
                        }

                        View.emit("resize")
                }, 99)

                if (breakpoints) {
                        setBreakpointsRated()
                        bindingsOn(window, "orientationchange resize", setBreakpointsRated)
                }
                /**/

                /*** i18n ***/
                var iData = {}
                , iFormat = create(null)
                , iGlobals = assignDeep(create(null), opts.locales)
                each(iGlobals, function(translations, iKey) {
                        translations = iData[iKey] = assignDeep(create(iGlobals), opts[iKey])
                        iFormat[iKey] = function(str, data) {
                                return format(get(translations, str, str || ""), data)
                        }
                })
                assignDeep(iGlobals, opts.globals)
                iSet([localStorage.lang, navigator.language, navigator.userLanguage].concat(navigator.languages, opts.lang).find(iResolve))
                $d.locales = Object.keys(iFormat)
                View.lang = iSet
                function iResolve(lang) {
                        return lang && (iFormat[lang = ("" + lang).toLowerCase()] || iFormat[lang = lang.split("-")[0]]) && lang
                }
                function iSet(lang, translations) {
                        assignDeep(iData[lang = html.lang = $d.lang = localStorage.lang = iResolve(lang) || $d.lang || opts.lang], translations)
                        return ($d._ = iFormat[lang] || format)
                }
                /**/

                return View
        }

        function setUrl(url, rep, checkUrl) {
                /*** pushState ***/
                if (pushBase) {
                        history[rep ? "replaceState" : "pushState"](null, null, pushBase + url)
                } else {
                /**/
                        location[rep ? "replace" : "assign"]("#" + url)
                /*** pushState ***/
                }
                /**/
                if (checkUrl) checkUrl()
        }

        LiteJS.go = setUrl
        LiteJS.start = histStart
        function histStart(cb) {
                /*** pushState ***/
                // Chrome5, Firefox4, IE10, Safari5, Opera11.50
                var histLast, url
                , base = find(html, "base")
                LiteJS.base = replace((base || location).href, /[^\/]*(#.*)?$/, "")
                if (base) base = replace(base.href, /.*:\/\/[^/]*|[^\/]*$/g, "")
                if (base && !history.pushState) {
                        url = location.pathname.slice(base.length)
                        if (url) {
                                location.replace(base + "#" + url)
                        }
                }
                if (base && history.pushState) {
                        pushBase = base

                        url = location.href.split("#")[1]
                        if (url && !getUrl()) {
                                setUrl(url, 1)
                        }

                        // Chrome and Safari emit a popstate event on page load, Firefox doesn't.
                        // Firing popstate after onload is as designed.
                        //
                        // See the discussion on https://bugs.webkit.org/show_bug.cgi?id=41372,
                        // https://code.google.com/p/chromium/issues/detail?id=63040
                        // and the change to the HTML5 spec that was made:
                        // http://html5.org/tools/web-apps-tracker?from=5345&to=5346.
                        window.onpopstate = checkUrl
                } else
                /**/
                        window.onhashchange = checkUrl
                readTemplates(checkUrl)
                function checkUrl() {
                        if (cb && histLast != (histLast = getUrl())) cb(histLast)
                }
                function getUrl() {
                        return replace(
                                /*** pushState ***/
                                pushBase ? location.pathname.slice(pushBase.length) :
                                /**/
                                // bug in Firefox where location.hash is decoded
                                // bug in Safari where location.pathname is decoded
                                location.href.split("#")[1] || "", /^[#\/\!]+|[\s\/]+$/g, "")
                }
        }

        function Comm(name, render) {
                var comm = document.createComment(name)
                if (render) comm.render = render
                return comm
        }
        function El(name) {
                var attr
                , attrs = {}
                , el = replace(name, selectorRe, function(_, op, key, fn, val, quotation) {
                        attr = 1
                        val = quotation ? val.slice(1, -1) : val || key
                        attrs[op =
                                op === "." ?
                                (fn = "~", "class") :
                                op === "#" ?
                                "id" :
                                key
                        ] = fn && attrs[op] ?
                                fn === "^" ? val + attrs[op] :
                                attrs[op] + (fn === "~" ? " " : "") + val :
                                val
                        return ""
                }) || "div"

                // NOTE: IE-s cloneNode consolidates the two text nodes together as one
                // http://brooknovak.wordpress.com/2009/08/23/ies-clonenode-doesnt-actually-clone/
                el = (elCache[el] || (elCache[el] = document.createElement(el))).cloneNode(true)

                if (attr) {
                        for (attr in attrs) setAttr(el, attr, attrs[attr])
                }

                return el
        }
        function ElWrap(nodes, clone) {
                for (var wrap = [], i = nodes.length; i--; ) {
                        wrap[i] = clone ? nodes[i].cloneNode(clone) : nodes[i]
                }
                return assign(wrap, elArr)
        }

        assign(El, bindings, {
                emit: elEmit,
                empty: elEmpty,
                kill: elKill,
                off: acceptMany(rmEvent),
                one: acceptMany(function(el, ev, fn) {
                        function remove() {
                                rmEvent(el, ev, fn)
                                rmEvent(el, ev, remove)
                        }
                        addEvent(el, ev, fn)
                        addEvent(el, ev, remove)
                }),
                render: render,
                rm: elRm
        })

        each(El, function(fn, key) {
                elArr[key] = function() {
                        var arr = this
                        , i = 0
                        , len = arr.length
                        , arg = slice.call(arguments)
                        arg.unshift(1)
                        for (; i < len; ) {
                                arg[0] = arr[i++]
                                fn.apply(El, arg)
                        }
                        return arr
                }
        })

        assign(El, {
                append: append,
                $b: assign(bindings, {
                        each: function(el, name, list) {
                                var comm = Comm("each " + name, up)
                                , pos = 0
                                , nodes = []
                                comm.$s = this
                                elReplace(el, comm)
                                up()
                                return { a: add, r: remove, u: up }

                                function add(item) {
                                        var clone = nodes[pos] = el.cloneNode(true)
                                        , subScope = elScope(clone, comm)
                                        subScope.$i = pos++
                                        subScope.$len = list.length
                                        subScope[name] = item
                                        clone[BIND_ATTR] = el[BIND_ATTR]
                                        append(comm.parentNode, clone, comm)
                                        render(clone)
                                }
                                function remove(i) {
                                        elKill(nodes.splice(i, 1)[0])
                                }
                                function up() {
                                        for (; pos; ) remove(--pos)
                                        each(list, add)
                                }
                        },
                        el: function(el, tag, fallback) {
                                var child = El(elCache[tag] ? tag : fallback)
                                , tmp = getAttr(el, BIND_ATTR)
                                , tmp2 = getAttr(child, BIND_ATTR)
                                if (tmp) setAttr(child, BIND_ATTR, tmp2 ? tmp + ";" + tmp2 : tmp)
                                if ((tmp = el.className)) cls(child, tmp)
                                child.$s = el.$s
                                elReplace(el, child)
                                render(child)
                                return child
                        },
                        "if": function(el, enabled) {
                                if (enabled) {
                                        elReplace(el._if, el)
                                } else {
                                        elReplace(el, el._if || (el._if = Comm("if", render.bind(el, el))))
                                        return true
                                }
                        },
                        is: function(el, val, opts, prefix) {
                                if (!prefix) prefix = "is-"
                                var match = format(val, opts)
                                cls(el, el[prefix + opts], 0)
                                cls(el, el[prefix + opts] = match && prefix + match)
                        },
                        ref: function(el, name) {
                                this[name] = el
                        },
                        $s: function(el) {
                                var scope = elScope(el, el)
                                each(slice.call(arguments, 1), function(args) {
                                        each(args, function(arg, i) {
                                                if (isStr(i)) scope[i] = arg
                                                else scope[arg] = setAttr(el, arg, "")
                                        })
                                })
                        }
                }),
                blur: blur,
                cache: elCache,
                closest: closest,
                $d: globalScope,
                get: getAttr,
                hasClass: hasClass,
                matches: matches,
                next: walk.bind(El, "nextSibling"),
                prev: walk.bind(El, "previousSibling"),
                rate: rate,
                replace: elReplace,
                scope: elScope,
                scrollLeft: scrollLeft,
                scrollTop: scrollTop,
                step: step,
                stop: eventStop
        })

        function setAttr(el, key, val) {
                var current = getAttr(el, key)

                /*** ie8 ***/
                // Bug: IE5-7 doesn't set styles and removes events when you try to set them.
                // IE6 label with a for attribute will re-select the first option of SELECT list instead of just giving focus.
                // http://webbugtrack.blogspot.com/2007/09/bug-116-for-attribute-woes-in-ie6.html
                // IE8 and below have a bug where changed 'name' not accepted on form submit
                /* c8 ignore next 3 */
                if (ie678 && (key === "id" || key === "name" || key === "checked" || key === "style")) {
                        el.mergeAttributes(document.createElement("<INPUT " + key + "='" + val + "'>"), false)
                } else
                /**/
                if (key === "class") {
                        cls(el, val)
                } else if (val || val === 0) {
                        if (current != val) {
                                el.setAttribute(key, val)
                        }
                } else if (current) {
                        el.removeAttribute(key)
                }
                return current
        }

        function append(el, child, before) {
                if (!el.nodeType) {
                        if (el.append) el.append(child, before)
                        return
                }
                var next, tmp
                , i = 0
                if (child) {
                        if (isStr(child) || isNum(child)) child = document.createTextNode(child)
                        else if (!child.nodeType && (i = child.length)) {
                                for (tmp = document.createDocumentFragment(); i--; ) append(tmp, child[i], 0)
                                child = tmp
                        }

                        if (child.nodeType) {
                                if ((i = setAttr(child, "slot", "") || getAttr(el, "data-slot"))) {
                                        i = "slot" + i
                                        for (tmp = el.firstChild; tmp; tmp = next) {
                                                if (tmp.nodeType === 8 && tmp.nodeValue === i) {
                                                        el = tmp
                                                        break
                                                }
                                                for (next = tmp.firstChild || tmp.nextSibling; !next && tmp !== el; next = tmp.nextSibling) {
                                                        tmp = tmp.parentNode
                                                }
                                        }
                                }
                                if (el.nodeType === 8) {
                                        before = el
                                        el = before.parentNode
                                }
                                el.insertBefore(child, (
                                        isNum(before) ? el.childNodes[before < 0 ? el.childNodes.length - before - 2 : before] :
                                        isArr(before) ? before[0] :
                                        before
                                ) || null)
                                /*** debug ***/
                                if (el.namespaceURI && child.namespaceURI && el.namespaceURI !== child.namespaceURI && el.tagName !== "foreignObject" && child.tagName !== "svg") {
                                        console.error("NAMESPACE CHANGE!", el, child)
                                }
                                /**/
                        }
                }
        }

        function hasClass(el, name) {
                var current = el.className || ""

                if (!isStr(current)) {
                        current = getAttr(el, "class") || ""
                }

                return !!current && current.split(splitRe).indexOf(name) > -1
        }

        function cls(el, name, set) {
                // setAttribute("class") is broken in IE7
                // className is object on SVGElements
                var current = el.className || ""
                , useAttr = !isStr(current)
                , SP = " "

                if (useAttr) {
                        current = getAttr(el, "class") || ""
                }

                if (set === UNDEF || set) {
                        if (set && set !== el && set.nodeType < 2) cls(set, name, 0)
                        if (current) {
                                name = current.split(SP).indexOf(name) > -1 ? current : current + SP + name
                        }
                } else {
                        name = current ? replace(SP + current + SP, SP + name + SP, SP).trim() : current
                }

                if (current != name) {
                        if (useAttr) {
                                el.setAttribute("class", name)
                        } else {
                                el.className = name
                        }
                }
        }

        function elEmit(el) {
                emit.apply(el, slice.call(arguments, 1))
        }
        function elEmpty(el) {
                for (; el.lastChild; elKill(el.lastChild));
        }
        function elKill(el, tr, delay) {
                if (el) {
                        if (delay > 0) return setTimeout(elKill, delay, el, tr)
                        if (tr) {
                                if (isStr(tr)) cls(el, tr)
                                if (isObj(tr)) bindingsCss(el, tr)
                                tr = "transitionend"
                                // transitionend fires for each property transitioned
                                if ("on" + tr in el) return addEvent(el, tr, elKill.bind(el, el, el = UNDEF))
                        }
                        if (el._e) {
                                emit.call(el, "kill")
                                el._e = UNDEF
                        }
                        elRm(el)
                        el.$s = UNDEF
                        if (el.nodeType < 2) {
                                elEmpty(el)
                                if (el.valObject !== UNDEF) {
                                        el.valObject = UNDEF
                                }
                        } else {
                                if (el.kill) el.kill()
                        }
                }
        }
        function elScope(el, parent) {
                return el.$s || (
                        parent ? ((parent = elScope(parent)), el.$s = assign(create(parent), { $up: parent })) :
                        closestScope(el)
                )
        }
        function elTxt(el, txt) {
                if (el[txtAttr] !== txt) el[txtAttr] = txt
        }
        function elVal(el, val) {
                if (!el) return ""
                var input, step, key, value
                , i = 0
                , type = el.type
                , opts = el.options
                , checkbox = type === "checkbox" || type === "radio"

                if (el.tagName === "FORM") {
                        // Disabled controls do not receive focus,
                        // are skipped in tabbing navigation, cannot be successfully posted.
                        //
                        // Read-only elements receive focus but cannot be modified by the user,
                        // are included in tabbing navigation, are successfully posted.
                        //
                        // Read-only checkboxes can be changed by the user

                        for (opts = {}; (input = el.elements[i++]); ) if (!input.disabled && (key = input.name || input.id)) {
                                value = elVal(input, val != UNDEF ? val[key] : UNDEF)
                                if (value !== UNDEF) {
                                        step = opts
                                        replace(key, /\[(.*?)\]/g, replacer)
                                        step[key || step.length] = value
                                }
                        }
                        return opts
                }

                if (val !== UNDEF) {
                        if (opts) {
                                for (value = (isArr(val) ? val : [ val ]).map(String); (input = opts[i++]); ) {
                                        input.selected = value.indexOf(input.value) > -1
                                }
                        } else if (el.val) {
                                el.val(val)
                        } else if (checkbox) {
                                el.checked = !!val
                        } else {
                                el.value = val
                        }
                        return
                }

                if (opts) {
                        if (type === "select-multiple") {
                                for (val = []; (input = opts[i++]); ) {
                                        if (input.selected && !input.disabled) {
                                                val.push(input.valObject || input.value)
                                        }
                                }
                                return val
                        }
                        // IE8 throws error when accessing to options[-1]
                        value = el.selectedIndex
                        el = value > -1 && opts[value] || el
                }

                return checkbox && !el.checked ?
                (type === "radio" ? UNDEF : null) :
                el.valObject !== UNDEF ? el.valObject : el.value

                function replacer(_, _key, offset) {
                        if (step == opts) key = key.slice(0, offset)
                        step = step[key] || (step[key] = step[key] === null || _key && +_key != _key ? {} : [])
                        key = _key
                }
        }

        function closestScope(node) {
                for (; (node = node.parentNode); ) {
                        if (node.$s) return node.$s
                }
                return globalScope
        }

        function render(node, $s) {
                if (!node || node.nodeType != 1) {
                        if (node && node.render) node.render()
                        return
                }

                var bind, next
                , scope = node.$s || $s || closestScope(node)

                /*** ie8 ***/
                if (ie678 && node.tagName === "SELECT") {
                        node.parentNode.insertBefore(node, node)
                }
                /**/

                if (hydrate(node, BIND_ATTR, scope)) return
                for (bind = node.firstChild; bind; bind = next) {
                        next = bind.nextSibling
                        render(bind, scope)
                }
                hydrate(node, "data-out", scope)
        }

        function hydrate(node, attr, scope) {
                var fn
                , bind = node[attr] || (node[attr] = setAttr(node, attr, "") || true)
                if (bind !== true) try {
                        fn = fnCache[bind] || (fnCache[bind] = makeFn(bind))
                        return fn(node, scope, attr, fn.o)
                } catch (e) {
                        logErr(e, attr + ": " + bind, node)
                }
        }
        function makeFn(fn) {
                var i = 0
                , bindOnce = []
                fn = "$s&&(" + replace(fn, renderRe, function(match, name, op, args) {
                        return (
                                (op === "!" && (bindOnce[i] = match)) ?
                                "($el[$a]=$el[$a].replace($o[" + (i++)+ "],''),0)||" :
                                ""
                        ) + "$b['" + (bindings[name] ? name + "'].call($s,$el" : "set']($el,'" + name + "'") + (args ? "," + replace(args, /^\s*(\w+) in /,"'$1',") : "") + ")||"
                }) + "$r)"
                var vars = replace(fn, fnRe, "").match(wordRe) || []
                for (i = vars.length; i--; ) {
                        if (vars.indexOf(vars[i]) !== i) vars.splice(i, 1)
                        else vars[i] += "=$s." + vars[i]
                }
                fn = Function("$el,$s,$a,$o,$r", "var " + vars + ";return " + fn)
                fn.o = bindOnce
                return fn
        }

        /*** kb ***/
        var kbMaps = []
        , kbMod = LiteJS.kbMod = /^(Mac|iP)/.test(navigator.platform) ? "metaKey" : "ctrlKey"
        , kbCodes = LiteJS.kbCodes = ",,,,,,,,backspace,tab,,,,enter,,,shift,ctrl,alt,pause,caps,,,,,,,esc,,,,,,pgup,pgdown,end,home,left,up,right,down,,,,,ins,del,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,cmd,,,,,,,,,,,,,,,,,,,,,f1,f2,f3,f4,f5,f6,f7,f8,f9,f10,f11,f12".split(splitRe)

        El.addKb = addKb
        El.rmKb = rmKb
        function addKb(map, killEl) {
                if (map) {
                        kbMaps.unshift(map)
                        if (killEl) {
                                addEvent(killEl, "kill", rmKb.bind(map, map))
                        }
                }
        }
        function rmKb(map) {
                map = kbMaps.indexOf(map)
                if (map > -1) kbMaps.splice(map, 1)
        }
        function runKb(e, code, chr) {
                var fn, map
                , i = 0
                , el = e.target
                , input = /INPUT|TEXTAREA|SELECT/i.test((el.nodeType < 2 ? el : el.parentNode).tagName)

                for (; (map = kbMaps[i++]) && (
                        !(fn = !input || map.input ? map[code] || map[chr] || map.num && code > 47 && code < 58 && (chr|=0, map.num) || map.all : fn) &&
                        map.bubble
                ););
                if (isStr(fn)) setUrl(fn)
                if (isFn(fn)) fn(e, chr, el)
        }

        addEvent(document, "keydown", function(e) {
                if (kbMaps[0]) {
                        var c = e.keyCode || e.which
                        , numpad = c > 95 && c < 106
                        , code = numpad ? c - 48 : c
                        , key = kbCodes[code] || String.fromCharCode(code).toLowerCase() || code

                        // Otherwise IE backspace navigates back
                        if (code == 8 && kbMaps[0].backspace) {
                                eventStop(e)
                        }
                        runKb(e, code, key)
                        if (e.shiftKey && code != 16) runKb(e, code, "shift+" + key)
                        // people in Poland use Right-Alt+S to type in Ś.
                        // Right-Alt+S is mapped internally to Ctrl+Alt+S.
                        // THANKS: Marcin Wichary - disappearing Polish Ś [https://medium.engineering/fa398313d4df]
                        if (e.altKey) {
                                if (code != 18) runKb(e, code, "alt+" + key)
                        } else if (code != 17) {
                                if (e.ctrlKey) runKb(e, code, "ctrl+" + key)
                                if (e[kbMod] && code != 91) runKb(e, code, "mod+" + key)
                        }
                }
        })
        /**/

        /*** touch ***/
        var touchEl, touchDist, touchAngle, touchMode, touchTick
        , START = "start"
        , END = "end"
        , touches = []
        , touchEv = {}

        // tap, swipe + left/right/up/down
        each("pan pinch rotate tap", function(name) {
                fixEv[name] = fixEv[name + START] = fixEv[name + END] = ""
                fixFn[name] = touchInit
        })
        function touchInit(el) {
                if (!el._ti) {
                        addEvent(el, "pointerdown", touchDown)
                        addEvent(el, "wheel", touchWheel)
                        bindingsOn(el, "pointerup pointercancel", touchUp)
                        bindingsCss(el, "touchAction msTouchAction", "none")
                        el._ti = 1
                }
                function touchDown(e, e2) {
                        clearTimeout(touchTick)
                        var len = e ? touches.push(e) : touches.length
                        , MOVE = "pointermove"
                        if (touchMode || len < 1) {
                                elEmit(touchEl, touchMode ? touchMode + END : "tap", e2, touchEv, touchEl)
                                touchMode = UNDEF
                        }
                        if (len < 0) {
                                touchEl = UNDEF
                        }
                        if (len === 1) {
                                if (e) {
                                        touchEl = e.currentTarget || e.target
                                        touchEv.X = e.clientX
                                        touchEv.Y = e.clientY
                                        touchPos("left", "offsetWidth")
                                        touchPos("top", "offsetHeight")
                                        if (e.button === 2 || matches(touchEl, "INPUT,TEXTAREA,SELECT,.no-drag")) return
                                        touchTick = setTimeout(moveOne, 1500, e, 1)
                                }
                                moveOne(e || touches[0])
                        }
                        if (len === 2) {
                                touchDist = touchAngle = UNDEF
                                moveTwo(e)
                        }
                        ;(len === 1 ? addEvent : rmEvent)(document, MOVE, moveOne)
                        ;(len === 2 ? addEvent : rmEvent)(document, MOVE, moveTwo)
                        function touchPos(name, offset) {
                                var val = (
                                        touchEl.getBBox ?
                                        touchEl.getAttributeNS(null, name == "top" ? "y":"x") :
                                        touchEl.style[name]
                                )
                                touchEv[name] = parseInt(val, 10) || 0
                                if (val && val.indexOf("%") > -1) {
                                        touchEv[name] *= touchEl.parentNode[offset] / 100
                                }
                        }
                }
                function touchUp(e) {
                        for (var i = touches.length; i--; ) {
                                if (touches[i].pointerId == e.pointerId) {
                                        touches.splice(i, 1)
                                        break
                                }
                        }
                        touchDown(UNDEF, e)
                }
                function touchWheel(e) {
                        // IE10 enabled pinch-to-zoom gestures from multi-touch trackpad’s as mousewheel event with ctrlKey.
                        // Chrome M35 and Firefox 55 followed up.
                        if (!touches[0]) {
                                var ev = e.ctrlKey ? "pinch" : e.altKey ? "rotate" : UNDEF
                                if (ev && emit.call(e.currentTarget || e.target, ev, e, e.deltaY/20, 0)) {
                                        return eventStop(e)
                                }
                        }
                }
                function moveOne(e, fromTimer) {
                        // In IE9 mousedown.buttons is OK but mousemove.buttons == 0
                        if (touches[0].buttons && touches[0].buttons !== (e.buttons || [0, 1, 4, 2][e.which || 0])) {
                                return touchUp(e)
                        }
                        touchEv.x = e.clientX - touchEv.X
                        touchEv.y = e.clientY - touchEv.Y
                        touchEv.leftPos = touchEv.x + touchEv.left
                        touchEv.topPos  = touchEv.y + touchEv.top
                        if (!touchMode) {
                                var evs = touchEl._e
                                touchMode = (
                                        haveEv("pan", touchEv.x > 10 || touchEv.x < -10 || touchEv.y > 10 || touchEv.y < -10) ||
                                        haveEv("hold", fromTimer)
                                )
                                if (!touchMode) return
                                clearTimeout(touchTick)
                                elEmit(touchEl, touchMode + START, e, touchEv, touchEl)
                        }
                        elEmit(touchEl, touchMode, e, touchEv, touchEl)
                        function haveEv(name, set) {
                                return set && (evs[name] || evs[name + START] || evs[name + END]) && name
                        }
                }
                function moveTwo(e) {
                        touches[ touches[0].pointerId == e.pointerId ? 0 : 1] = e
                        var diff
                        , x = touchEv.X - touches[1].clientX
                        , y = touchEv.Y - touches[1].clientY
                        , dist = Math.sqrt(x*x + y*y) | 0
                        , angle = Math.atan2(y, x)

                        if (touchDist !== UNDEF) {
                                diff = dist - touchDist
                                if (diff) elEmit(touchEl, "pinch", e, diff, angle)
                                // GestureEvent onGestureChange: function(e) {
                                //        e.target.style.transform =
                                //                'scale(' + e.scale  + startScale  + ') rotate(' + e.rotation + startRotation + 'deg)'
                                diff = angle - touchAngle
                                if (diff) elEmit(touchEl, "rotate", e, diff * (180/Math.PI))
                        }
                        touchDist = dist
                        touchAngle = angle
                }
        }
        /**/

        function find(root, sel, startNode) {
                return html.querySelector.call(startNode || root, sel)
        }
        function findAll(root, sel, startNode) {
                return ElWrap(html.querySelectorAll.call(startNode || root, sel))
        }
        function matches(el, sel) {
                return el && html.matches.call(el, sel)
        }
        function closest(el, sel) {
                return el && html.closest.call(el.nodeType < 2 ? el : el.parentNode, sel)
        }
        function walk(attr, el, sel) {
                for (; el && !matches(el = el[attr], sel); );
                return el
        }
        function acceptMany(fn, prepareVal) {
                return function f(el, name, val, selector, delay, data) {
                        if (el && name) {
                                var i = arguments.length
                                if (i > 3 && i < 6 && isNum(selector)) {
                                        data = delay
                                        delay = selector
                                        selector = UNDEF
                                }
                                if (delay > 0) {
                                        setTimeout(f, delay, el, name, val, selector, 0, data)
                                        return
                                }
                                if (isObj(name)) {
                                        for (delay in name) if (hasOwn.call(name, delay)) {
                                                f(el, delay, name[delay], selector, 0, data)
                                        }
                                        return
                                }
                                if (prepareVal) val = prepareVal(el, val, selector, data)
                                selector = !prepareVal && selector ? findAll(el, selector) : isArr(el) ? el : [ el ]
                                var arr = ("" + name).split(splitRe), len = arr.length
                                for (delay = 0; (el = selector[delay++]); ) {
                                        for (i = 0; i < len; ) {
                                                if (arr[i]) fn(el, arr[i++], isArr(val) ? val[i - 1] : val)
                                        }
                                }
                        }
                }
        }
        function assignDeep(target, map) {
                if (map) for (var k in map) if (hasOwn.call(map, k)) {
                        target[k] = isObj(map[k]) && isObj(target[k]) ? assignDeep(target[k], map[k]) : map[k]
                }
                return target
        }
        function blur() {
                // IE8 can throw on accessing document.activeElement.
                try {
                        var el = document.activeElement
                        , tag = el.tagName
                        if (tag === "A" || tag === "BUTTON") el.blur()
                } catch(e) {}
        }
        function camelFn(_, a) {
                return a.toUpperCase()
        }
        function each(arr, fn, scope, key) {
                if (arr) {
                        if (isStr(arr)) arr = arr.split(splitRe)
                        if (isArr(arr)) arr.forEach(fn, scope)
                        else for (key in arr) if (hasOwn.call(arr, key)) fn.call(scope, arr[key], key, arr)
                }
        }
        function expand(str) {
                var first = str.charAt(0)
                , rest = str.slice(1)
                return (
                        first === "+" ? lastExp + rest :
                        first === "%" ? ((first = lastExp.lastIndexOf(rest.charAt(0))), (first > 0 ? lastExp.slice(0, first) : lastExp)) + rest :
                        (lastExp = str)
                )
        }
        function format(str, data) {
                return replace(str, formatRe, function(all, path) {
                        return get(data, path, "")
                })
        }
        function get(obj, path, fallback) {
                return isStr(path) ? (
                        obj[path] !== UNDEF ? obj[path] :
                        (path = path.split("."))[1] && isObj(obj = obj[path[0]]) && obj[path[1]] !== UNDEF ? obj[path[1]] : fallback
                ) :
                isArr(path) ? get(obj, path[0]) || get(obj, path[1]) || get(obj, path[2], fallback) :
                fallback
        }
        function logErr(e, source, node) {
                /*** debug ***/
                console.error(e)
                console.error(source, node)
                /**/
                if (window.onerror) {
                        window.onerror(e.message, e.fileName, e.lineNumber)
                }
        }
        function injectCss(cssText) {
                if (!styleNode) {
                        // Safari and IE6-8 requires dynamically created
                        // <style> elements to be inserted into the <head>
                        append(find(html, "head"), styleNode = El("style"))
                }
                if (styleNode.styleSheet) styleNode.styleSheet.cssText += cssText
                else append(styleNode, cssText)
        }
        function isFn(fn) {
                // old WebKit returns "function" for HTML collections
                return typeof fn === "function"
        }
        function isNum(num) {
                return typeof num === "number"
        }
        function isObj(obj) {
                return !!obj && obj.constructor === Object
        }
        function isStr(str) {
                return typeof str === "string"
        }
        // Maximum call rate for Function with optional leading edge and trailing edge
        function rate(fn, ms, onStart, onEnd) {
                var tick
                , next = 0
                onStart = isFn(onStart) ? onStart : (onStart === tick || onStart) && fn
                onEnd = isFn(onEnd) ? onEnd : (onEnd === tick || onEnd) && fn
                return function() {
                        var now = Date.now()
                        clearTimeout(tick)
                        if (now >= next) {
                                if (next < 1) {
                                        if (onStart) onStart()
                                } else fn()
                                next = now + ms
                        }
                        if (onEnd) {
                                tick = setTimeout(onEnd, next - now)
                        }
                }
        }
        function scrollLeft() {
                return window.pageXOffset || html.scrollLeft || body.scrollLeft || 0
        }
        function scrollTop() {
                return window.pageYOffset || html.scrollTop || body.scrollTop || 0
        }
        function step(num, factor, mid) {
                var x = ("" + factor).split(".")
                , steps = num / factor
                , n = ~~(steps + ((steps < 0 ? -1 : 1) * (mid == UNDEF ? 0.5 : mid === 1 && steps == (steps|0) ? 0 : +mid))) * factor
                return "" + (1 in x ? n.toFixed(x[1].length) : n)
        }

        function readTemplates(next) {
                xhr.load(findAll(html, "script[type=ui]").map(function(el) {
                        // IE6 script.innerText is empty
                        sources.push(el.innerHTML)
                        elKill(el)
                        return el.src
                }), function(res) {
                        res = res.concat(sources, (next || res).innerHTML).filter(Boolean)
                        if (res[sources.length = 0]) {
                                if (!parser) LiteJS.ui = LiteJS()
                                each(res, parser)
                        }
                        if (isFn(next)) next()
                }, 1)
        }
        readTemplates(findAll(html, "script").pop())
}(this, document, history, localStorage, location, navigator, Function, Object) // jshint ignore:line


litejs / ui / 10125207783

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