diff --git a/src/DotVVM.Framework/Controls/RouteLinkHelpers.cs b/src/DotVVM.Framework/Controls/RouteLinkHelpers.cs
index ca94f74437..201019b1b2 100644
--- a/src/DotVVM.Framework/Controls/RouteLinkHelpers.cs
+++ b/src/DotVVM.Framework/Controls/RouteLinkHelpers.cs
@@ -111,8 +111,9 @@ private static string GenerateRouteLinkCore(string routeName, RouteLink control,
             // generate the function call
 
             return
-                parametersExpression.Length > 0 ? $"dotvvm.buildRouteUrl({JsonConvert.ToString(route.Url)}, {{{parametersExpression}}})" :
-                JsonConvert.ToString(route.Url);
+                route.ParameterNames.Any()
+                    ? $"dotvvm.buildRouteUrl({JsonConvert.ToString(route.Url)}, {{{parametersExpression}}})"
+                    : JsonConvert.ToString(route.Url);
         }
 
         private static string TranslateRouteParameter(DotvvmBindableObject control, KeyValuePair<string, object> param, bool caseSensitive = false)
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
index 1749f76ee9..6ee28380a9 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
@@ -1596,11 +1596,13 @@ var DotVVM = /** @class */ (function () {
         return ko.unwrap(ko.unwrap(array));
     };
     DotVVM.prototype.buildRouteUrl = function (routePath, params) {
-        var url = routePath.replace(/\{([^\}]+?)\??(:(.+?))?\}/g, function (s, paramName, hsjdhsj, type) {
+        // prepend url with backslash to correctly handle optional parameters at start
+        routePath = '/' + routePath;
+        var url = routePath.replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g, function (s, prefix, paramName, _, type) {
             if (!paramName)
                 return "";
             var x = ko.unwrap(params[paramName.toLowerCase()]);
-            return x == null ? "" : x;
+            return x == null ? "" : prefix + x;
         });
         if (url.indexOf('/') === 0) {
             return url.substring(1);
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
index 002fdcbc1f..a318e14fc7 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
@@ -1 +1 @@
-function basicAuthenticatedFetch(e,t){var n=sessionStorage.getItem("someAuth");return null!=n&&(null==t&&(t={}),null==t.headers&&(t.headers={}),null==t.headers.Authorization&&(t.headers.Authorization="Basic "+btoa(n))),null==t&&(t={}),t.cache||(t.cache="no-cache"),window.fetch(e,t).then(function(r){return 401===r.status&&null==n?(null==sessionStorage.getItem("someAuth")&&function(){var t=prompt("You credentials for "+(e.url||e))||"";sessionStorage.setItem("someAuth",t)}(),basicAuthenticatedFetch(e,t)):r})}var __assign=this&&this.__assign||Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++){t=arguments[n];for(var o in t)Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o])}return e},__extends=this&&this.__extends||function(){var e=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])};return function(t,n){function r(){this.constructor=t}e(t,n),t.prototype=null===n?Object.create(n):(r.prototype=n.prototype,new r)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript";document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),DotvvmEvents=function(){return function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")}}(),DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(e),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.unsubscribe=function(e){var t=this.handlers.indexOf(e);t>=0&&(this.handlers=this.handlers.splice(t,1))},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t](e);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(){return function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1}}(),DotvvmBeforePostBackEventArgs=function(){return function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1}}(),DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(){return function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1}}(),DotvvmSpaNavigatedEventArgs=function(){return function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1}}(),DotvvmRedirectEventArgs=function(){return function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1}}(),DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){e.contentWindow.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){return function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()}}(),DotvvmFileUploadData=function(){return function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()}}(),DotvvmFileSize=function(){return function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()}}(),DotvvmGlobalize=function(){function e(){}return e.prototype.format=function(e){for(var t=this,n=[],r=1;r<arguments.length;r++)n[r-1]=arguments[r];return e.replace(/\{([1-9]?[0-9]+)(:[^}])?\}/g,function(e,r,o){var i=n[parseInt(r)];return o?t.formatString(o,i):i})},e.prototype.formatString=function(e,t){return null==(t=ko.unwrap(t))?"":("string"==typeof t&&(t=this.parseDotvvmDate(t)),""!==e&&null!==e||(e="G"),dotvvm_Globalize.format(t,e,dotvvm.culture))},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),t.length>7?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return dotvvm_Globalize.parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return dotvvm_Globalize.parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(e,t){var n=this;if(void 0===t&&(t="G"),!e)return"";var r=function(){var t=ko.unwrap(e);return"string"==typeof t?n.parseDotvvmDate(t):t},o=function(){var e=r();return null!=e?dotvvm_Globalize.format(e,t,dotvvm.culture):""};if(ko.isWriteableObservable(e)){var i="string"==typeof r()?function(t){return e(null==t?null:dotvvm.serialization.serializeDate(t,!1))}:e;return ko.pureComputed({read:function(){return o()},write:function(e){return i(dotvvm_Globalize.parseDate(e,t,dotvvm.culture))}})}return ko.pureComputed(function(){return o()})},e.prototype.bindingNumberToString=function(e,t){var n=this;if(void 0===t&&(t="G"),!e)return"";var r=function(){var r=function(){var t=ko.unwrap(e);return"string"==typeof t?n.parseNumber(t):t}();return null!=r?dotvvm_Globalize.format(r,t,dotvvm.culture):""};return ko.isWriteableObservable(e)?ko.pureComputed({read:function(){return r()},write:function(t){var n=dotvvm_Globalize.parseFloat(t,10,dotvvm.culture),r=null==t||null!=n&&!isNaN(n);e(r?n:null)}}):ko.pureComputed(function(){return r()})},e}(),PostbackOptions=function(){return function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}}}(),ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(e,t){var n=this;return new Promise(function(t,r){confirm(n.message)?e().then(t,r):r({type:"handler",handler:n,message:"The postback was not confirmed"})})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)&&t(e),e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)&&t(e),e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)&&t(e),e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{for(var a=[],o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;null==s&&(s={},ko.isObservable(t)?l=!0:t=s);for(var u in e)if(e.hasOwnProperty(u)&&!/\$options$/.test(u)){var d=e[u];if(void 0===d)continue;if(!ko.isObservable(d)&&"function"==typeof d)continue;var v=e[u+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(d)?d:this.deserialize(d,s[u],n);if(d instanceof Date&&(s[u+"$options"]=s[u+"$options"]||{},s[u+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[u]))c()!==s[u]()&&s[u](c());else{var p=ko.unwrap(c);s[u]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[u])?c!==s[u]()&&s[u](c):s[u]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[u]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[u].extend(h)}}for(var u in e)if(e.hasOwnProperty(u)&&/\$options$/.test(u)){s[u]=s[u]||{};for(var b in e[u])e[u].hasOwnProperty(b)&&(s[u][b]=e[u][b]);var g=u.substring(0,u.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var u=e[s+"$options"];if(!t.serializeAll&&u&&u.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&u&&u.pathOnly&&t.pathMatcher){var d=u.pathOnly;d instanceof Array||(d=t.path||this.findObject(l,t.pathMatcher)),d&&(0===d.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:d,pathOnly:!0}))}else a[s]=this.serialize(l,t);u&&u.type&&!this.validateType(a[s],u.type)&&(delete a[s],u.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&(null===e||void 0===e))return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-(s/2|0));var l=parseInt(e);return l>=a&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(e=ko.unwrap(e),t(e))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),"string"==typeof e)return null!=dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e;return this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var e=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},timeout:function(t){return t.time?e.createWindowSetTimeoutHandler(t.time):e.windowSetTimeoutHandler},"concurrency-none":function(t){return{name:"concurrency-none",before:["setIsPostackRunning"],execute:function(n,r){return e.commonConcurrencyHandler(n(),r,t.q||"default")}}},"concurrency-deny":function(e){return{name:"concurrency-deny",before:["setIsPostackRunning"],execute:function(t,n){var r=e.q||"default";return dotvvm.getPostbackQueue(r).noRunning>0?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(t(),n,r)}}},"concurrency-queue":function(e){return{name:"concurrency-queue",before:["setIsPostackRunning"],execute:function(t,n){var r=e.q||"default";return dotvvm.getPostbackQueue(r).noRunning>0?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(t())})}):dotvvm.commonConcurrencyHandler(t(),n,r)}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostackRunning","concurrency-none","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.beforePostbackEventPostbackHandler={execute:function(t,n){var r=new DotvvmBeforePostBackEventArgs(n.sender,n.viewModel,n.viewModelName,n.postbackId);return e.events.beforePostback.trigger(r),r.cancel?Promise.reject({type:"event",options:n}):t()}},this.isPostBackRunningHandler=function(){var t=0;return{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(n,r){e.isPostbackRunning(!0),t++;var o=n();return o.then(function(){return e.isPostbackRunning(!!--t)},function(){return e.isPostbackRunning(!!--t)}),o}}}(),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(t,n,r){var o=e.getPostbackQueue(r);o.noRunning++;var i=function(){if(o.noRunning--,o.queue.length>0){var e=o.queue.shift();window.setTimeout(e,0)}};return t.then(function(t){var r=e.lastStartedPostack==n.postbackId?t:function(){return Promise.reject(null)};return function(){var e=r();return e.then(i,i),e}},function(e){return i(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-none"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1)}return e.prototype.createWindowSetTimeoutHandler=function(e){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(t,n){return new Promise(function(t,n){return window.setTimeout(t,e)}).then(function(){return t()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.init=function(e,t){var n=this;this.addKnockoutBindingHandlers();var r=this.viewModels[e]=JSON.parse(document.getElementById("__dot_viewmodel_"+e).value);if(r.resources)for(var o in r.resources)this.resourceSigns[o]=!0;r.renderedResources&&r.renderedResources.forEach(function(e){return n.resourceSigns[e]=!0});var i=r.resultIdFragment,a=r.viewModel=this.serialization.deserialize(this.viewModels[e].viewModel,{},!0);this.culture=t,this.validation=new DotvvmValidation(this),this.viewModelObservables[e]=ko.observable(a),ko.applyBindings(this.viewModelObservables[e],document.documentElement),this.events.init.trigger({viewModel:a});var s=this.getSpaPlaceHolder();if(null!=s&&(this.domUtils.attachEvent(window,"hashchange",function(){return n.handleHashChange(e,s,!1)}),this.handleHashChange(e,s,!0)),this.isViewModelUpdating=!1,i)if(s){var l=document.getElementById(i);l&&"function"==typeof l.scrollIntoView&&l.scrollIntoView(!0)}else location.hash=i;this.domUtils.attachEvent(window,"beforeunload",function(t){n.persistViewModel(e)})},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=o>0?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t=this.viewModels[e],n={};for(var r in t)t.hasOwnProperty(r)&&(n[r]=t[r]);n.viewModel=this.serialization.serialize(n.viewModel,{serializeAll:!0}),document.getElementById("__dot_viewmodel_"+e).value=JSON.stringify(n)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(e,t,n,r,o,i){var a=this;if(void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){}),!this.isPostBackProhibited(t)){var s=this.serialization.serialize({args:r,command:n,$csrfToken:this.viewModels[e].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[e].url,"POST",ko.toJSON(s),function(e){try{a.isViewModelUpdating=!0;var t=JSON.parse(e.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:t})),o(t)}catch(t){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e,error:t})),i(e,t)}finally{a.isViewModelUpdating=!1}},function(e){console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})}},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(e,t){var n=this,r=function(e,t){return!1===t.enabled?null:n.getPostbackHandler(e)(t)};return t.map(function(t){return"string"==typeof t?r(t,{}):n.isPostbackHandler(t)?t:t instanceof Array?function(){var n=t[0],o=t[1];return r(n,"function"==typeof o?o(e,e.$data):o)}():r(t.name,t.options&&t.options(e))}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(e){for(var t=function(){for(var t={},n=0,r=e;n<r.length;n++){var o=r[n];null!=o.name&&(t[o.name]=o)}return function(e){return"string"==typeof e?t[e]:e}}(),n=e.map(function(e,n){return e["@sort_index"]=n,{handler:e,deps:(e.after||[]).map(t)}}),r=0,o=e;r<o.length;r++){var i=o[r];if(i.before)for(var a=0,s=i.before.map(t);a<s.length;a++){var l=s[a];if(l){var u=l["@sort_index"];n[u].deps.push(i)}}}for(var d=[],v=new Uint8Array(n.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=n[e],r=t.handler,o=0,i=t.deps;o<i.length;o++){var a=i[o];c(a["@sort_index"])}v[e]=2,d.push(r)}},p=0;p<n.length;p++)c(p);return d},e.prototype.applyPostbackHandlersCore=function(e,t,n){var r=function(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(t,null,e))}};if(null==n||0===n.length)return e(t).then(r,function(e){return Promise.reject(e)});return this.sortHandlers(n).reduceRight(function(e,n,r){return function(){return n.execute(e,t)}},function(){return e(t).then(r,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a);return this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)})},e.prototype.postbackCore=function(e,t,n,r,o,i){var a=this;return new Promise(function(s,l){var u=e.viewModelName,d=a.viewModels[u].viewModel;a.lastStartedPostack=e.postbackId,a.updateDynamicPathFragments(o,t);var v={viewModel:a.serialization.serialize(d,{pathMatcher:function(e){return o&&e==o.$data}}),currentPath:t,command:n,controlUniqueId:a.processPassedId(r,o),additionalData:e.additionalPostbackData,renderedResources:a.viewModels[u].renderedResources,commandArgs:i};a.postJSON(a.viewModels[u].url,"POST",ko.toJSON(v),function(t){dotvvm.events.postbackResponseReceived.trigger({}),s(function(){return new Promise(function(n,r){dotvvm.events.postbackCommitInvoked.trigger({});var o=t.getResponseHeader("Location"),i=null!=o&&o.length>0?{action:"redirect",url:o}:JSON.parse(t.responseText);!i.viewModel&&i.viewModelDiff&&(i.viewModel=a.patch(v.viewModel,i.viewModelDiff)),a.loadResourceList(i.resources,function(){var o=!1;if("successfulCommand"===i.action){try{a.isViewModelUpdating=!0;var s=a.cleanUpdatedControls(i);i.viewModel&&(ko.delaySync.pause(),a.serialization.deserialize(i.viewModel,a.viewModels[u].viewModel),ko.delaySync.resume()),o=!0,a.cleanUpdatedControls(i,s),a.restoreUpdatedControls(i,s,!0)}finally{a.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===i.action)return a.handleRedirect(i,u),n();var l=i.resultIdFragment;if(l)if(a.getSpaPlaceHolder()||location.hash=="#"+l){var v=document.getElementById(l);v&&"function"==typeof v.scrollIntoView&&v.scrollIntoView(!0)}else location.hash=l;if(o){var c=new DotvvmAfterPostBackEventArgs(e,i,i.commandResult,t);n(c)}else r(new DotvvmErrorEventArgs(e.sender,d,u,t,e.postbackId,i))})})})},function(t){l({type:"network",options:e,args:new DotvvmErrorEventArgs(e.sender,d,u,t,e.postbackId)})})})},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;if(this.isPostBackProhibited(t))return new Promise(function(e,t){return t("rejected")});i=i||ko.contextFor(t);var u=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==u.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&u.push(this.defaultConcurrencyPostbackHandler);var d=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},d,u).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(d,"commit"==e.type&&e.args?e.args.serverResponseObject:null,d.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(e,t){var n=this,r=this.viewModels[e].viewModel,o=this.backUpPostBackConter(),i=new DotvvmSpaNavigatingEventArgs(r,e,t);if(this.events.spaNavigating.trigger(i),!i.cancel){t="/___dotvvm-spa___"+this.addLeadingSlash(t);var a=this.addLeadingSlash(this.concatUrl(this.viewModels[e].virtualDirectory||"",t)),s=this.getSpaPlaceHolder();if(s){var l=s.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(a,"GET",l,function(t){if(n.isPostBackStillActive(o)){var i=JSON.parse(t.responseText);n.loadResourceList(i.resources,function(){var o=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void n.handleRedirect(i,e,!0)}else try{n.isViewModelUpdating=!0;var a=n.cleanUpdatedControls(i);n.viewModels[e]={};for(var s in i)i.hasOwnProperty(s)&&(n.viewModels[e][s]=i[s]);ko.delaySync.pause(),n.serialization.deserialize(i.viewModel,n.viewModels[e].viewModel),ko.delaySync.resume(),o=!0,n.viewModelObservables[e](n.viewModels[e].viewModel),n.restoreUpdatedControls(i,a,!0),n.isSpaReady(!0)}finally{n.isViewModelUpdating=!1}var l=new DotvvmSpaNavigatedEventArgs(r,e,i,t);if(n.events.spaNavigated.trigger(l),!o&&!l.isHandled)throw"Invalid response from server!"})}},function(t){if(n.isPostBackStillActive(o)){var i=new DotvvmErrorEventArgs(void 0,r,e,t,-1,void 0,!0);n.events.error.trigger(i),i.handled||alert(t.responseText)}})}else document.location.href=a}},e.prototype.handleRedirect=function(e,t,n){void 0===n&&(n=!1),null!=e.replace&&(n=e.replace);var r;this.getSpaPlaceHolder()&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),r=this.fixSpaUrlPrefix(r)):r=e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n)},e.prototype.performRedirect=function(e,t){if(t)location.replace(e);else{var n=this.fakeRedirectAnchor;n||((n=document.createElement("a")).style.display="none",n.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(n),this.fakeRedirectAnchor=n),n.href=e,n.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return e.length>0&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return e.length>0&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(e,t){var n=this;if(e instanceof Array&&t instanceof Array)return t.map(function(t,r){return n.patch(e[r],t)});if(e instanceof Array||t instanceof Array)return t;if("object"!=typeof e||"object"!=typeof t)return t;for(var r in t)null==t[r]?e[r]=null:null==e[r]?e[r]=t[r]:e[r]=this.patch(e[r],t[r]);return e},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;n>=0;n--)t[n].indexOf("[$index]")>=0&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){void 0===t&&(t={});for(var n in e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(e,t,n){var r=this;for(var o in e.updatedControls)if(e.updatedControls.hasOwnProperty(o)){var i=t[o];if(i){var a=document.createElement(t[o].parent.tagName||"div");if(a.innerHTML=e.updatedControls[o],a.childElementCount>1)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==t[o].control.id&&console.log("Postback.Update control changed id from '"+t[o].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}n&&window.setTimeout(function(){try{r.isViewModelUpdating=!0;for(var n in e.updatedControls){var o=document.getElementByDotvvmId(n);o&&ko.applyBindings(t[n].dataContext,o)}}finally{r.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,t){var n=e.replace(/\{([^\}]+?)\??(:(.+?))?\}/g,function(e,n,r,o){if(!n)return"";var i=ko.unwrap(t[n.toLowerCase()]);return null==i?"":i});return 0===n.indexOf("/")?n.substring(1):n},e.prototype.buildUrlSuffix=function(e,t){var n,r;-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),r=e.substring(e.indexOf("#"))):(n=e,r="");for(var o in t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&"a"===e.tagName.toLowerCase()&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function e(e,t){void 0===t&&(t=null);var n=ko.pureComputed({read:function(){var t=e();return ko.unwrap(t)},write:function(n){var r=e();ko.isObservable(r)?r(n):console.warn("Attempted to write to readonly property"+(null==t?"":" "+t)+".")}});return n.wrappedProperty=e,n}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(t,n,r,o,i){if(!i)throw new Error;var a=n();for(var s in a)a[s]=e(function(){return n()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+n.toString()+"'");var l=i.extend({$control:a});return t.innerBindingContext=l,ko.applyBindingsToDescendants(l,t),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(t,n,r,o,i){if(!i)throw new Error;var a=n(),s={};for(var l in a){for(var u=l.split("."),d=s;0<u.length-1;0)d=s[u[0]]||(s[u[0]]={});d[u[u.length-1]]=e(function(){return n()[this.prop]}.bind({prop:l}),"'"+l+"' at '"+n.toString()+"'")}var v=i.extend(s);return t.innerBindingContext=v,ko.applyBindingsToDescendants(v,t),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o.extend({$gridViewDataSet:i});return e.innerBindingContext=a,ko.applyBindingsToDescendants(a,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,n,r,o){dotvvm.events.afterPostback.subscribe(function(e){var t=n();if(t["dotvvm-checked-pointer"]){var r=t[t["dotvvm-checked-pointer"]];ko.isObservable(r)&&(r.valueHasMutated?r.valueHasMutated():r.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(e,t,n,r,o){e.style.display="none";var i,a=e.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(t){t?s||(s=!0,null==a?e.style.display="":i=setTimeout(function(t){e.style.display=""},a)):(s=!1,clearTimeout(i),e.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=[].slice.call(s.rows.item(0).cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,l)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(e,t,n,r,o){var i=t(),a=(n.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=e,a.dataType=(e.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(e.attributes["data-dotvvm-format"]||{value:""}).value,i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),setTimeout(function(e,t){ko.utils.domNodeDisposal.addDisposeCallback(t,function(){for(var n=0,r=e;n<r.length;n++){var o=r[n];if(o.element===t){e.splice(e.indexOf(o),1);break}}})},0,i.dotvvmMetadata.elementsMetadata,e),dotvvm.domUtils.attachEvent(e,"change",function(){if(ko.isObservable(i)){var t,n;if("datetime"===a.dataType){var r=i();null!=r&&(r=dotvvm.globalize.parseDotvvmDate(r)),n=null==(t=dotvvm.globalize.parseDate(e.value,a.format,r))?null:dotvvm.serialization.serializeDate(t,!1)}else n=null===(t=dotvvm.globalize.parseNumber(e.value))||isNaN(t)?null:t;null==n&&null!==e.value&&""!==e.value?(e.attributes["data-invalid-value"]=e.value,e.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(e.attributes["data-invalid-value"]=null,e.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===n?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(n)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),u=e.attributes["data-invalid-value"];if(null==u){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var d=0,v=i.dotvvmMetadata.elementsMetadata;d<v.length;d++){var c=v[d];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=u}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(){return function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n}}(),DotvvmValidationObservableMetadata=function(){return function(){}}(),DotvvmValidationElementMetadata=function(){return function(){this.elementValidationState=!0}}(),DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&t>=n&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return n>=r&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(e){var t=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){t.length>0?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){t.length>0?e.className+=" "+n:e.className=e.className.split(" ").filter(function(e){return e!=n}).join(" ")},setToolTipText:function(e,t,n){t.length>0?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};var n=function(n){return{execute:function(r,o){if(n){o.additionalPostbackData.validationTargetPath=n;var i=ko.contextFor(o.sender),a=e.evaluator.evaluateOnViewModel(i,n);if(t.clearValidationErrors(e.viewModelObservables[o.viewModelName||"root"]),t.validateViewModel(a),t.errors().length>0)return console.log("Validation failed: postback aborted; errors: ",t.errors()),Promise.reject({type:"handler",handler:t,message:"Validation failed"});t.events.validationErrorsChanged.trigger({viewModel:o.viewModel})}return r()}}};e.postbackHandlers.validate=function(e){return n(e.path)},e.postbackHandlers["validate-root"]=function(){return n("dotvvm.viewModelObservables['root']")},e.postbackHandlers["validate-this"]=function(){return n("$data")},e.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(t.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(t.showValidationErrorsFromServer(e),e.isHandled=!0)),t.events.validationErrorsChanged.trigger(e)}),e.events.spaNavigating.subscribe(function(n){t.clearValidationErrors(e.viewModelObservables[n.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(e,n,r,o,i){var a=n();if(ko.isObservable(a)){var s=r.get("dotvvmValidationOptions"),l=function(e,n){for(var r in s)s.hasOwnProperty(r)&&t.elementUpdateFunctions[r](e,n.map(function(e){return e.errorMessage}),s[r])},u=ValidationError.getOrCreate(a);u.subscribe(function(t){return l(e,t)}),l(e,u())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e&&dotvvm.viewModels.root.validationRules){var t=ko.unwrap(e.$type);if(t){var n=dotvvm.viewModels.root.validationRules[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,u=i;l<u.length;l++){var d=u[l];this.validateViewModel(d)}else i.$type&&this.validateViewModel(i)}}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var u=new ValidationError(t,a.errorMessage);this.addValidationError(t,u)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules);for(var n in e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var u in i)if(i.hasOwnProperty(u)&&0!==u.indexOf("$")){var d=i[u];d&&ko.isObservable(d)&&(o=o.concat(this.getValidationErrors(d,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;a?(ko.isObservable(n)&&(n=ko.unwrap(n)),i=dotvvm.evaluator.evaluateOnViewModel(n,a)):i=n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return(result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context))&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapKnockoutExpression=function(e){var t,n=this,r=this.getExpressionResult(e),o=ko.isWriteableObservable(r),i=this.isObservableArray(r);return o?(t=ko.pureComputed({read:function(){return ko.unwrap(n.getExpressionResult(e))},write:function(t){return n.updateObservable(e,t)}}),i&&(t.push=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"push",t)},t.pop=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"pop",t)},t.unshift=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"unshift",t)},t.shift=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"shift",t)},t.reverse=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"reverse",t)},t.sort=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"sort",t)},t.splice=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"splice",t)},t.slice=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"slice",t)},t.replace=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"replace",t)},t.indexOf=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"indexOf",t)},t.remove=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"remove",t)},t.removeAll=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"removeAll",t)})):t=ko.pureComputed(function(){return ko.unwrap(n.getExpressionResult(e))}),i&&(t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);if(!ko.isWriteableObservable(n))throw Error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.");n(t)},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);if(!this.isObservableArray(r))throw Error("Cannot execute '"+t+"' function on ko.computed because the '"+e+"' does not return an observable array.");r[t].apply(r,n)},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();!function(){var e={};DotVVM.prototype.invokeApiFn=function(t,n,r,o){void 0===n&&(n=[]),void 0===r&&(r=[]),void 0===o&&(o=t.toString());var i=e[o]||(e[o]=ko.observable(null)),a=ko.pureComputed(function(){return i()});return a.refreshValue=function(e){var n=i.promise;i.isLoading||(i.isLoading=!0,n=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(t)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=r;t<n.length;t++){var o=n[t];dotvvm.eventHub.notify(o)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=n);{if("error"!=n.type)return n.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),n.result;if(i.isLoading=!1,e)throw n.error}},i.peek()||a.refreshValue(),ko.computed(function(){return n.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return a.refreshValue()}),a},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
+function basicAuthenticatedFetch(e,t){var n=sessionStorage.getItem("someAuth");return null!=n&&(null==t&&(t={}),null==t.headers&&(t.headers={}),null==t.headers.Authorization&&(t.headers.Authorization="Basic "+btoa(n))),null==t&&(t={}),t.cache||(t.cache="no-cache"),window.fetch(e,t).then(function(r){return 401===r.status&&null==n?(null==sessionStorage.getItem("someAuth")&&function(){var t=prompt("You credentials for "+(e.url||e))||"";sessionStorage.setItem("someAuth",t)}(),basicAuthenticatedFetch(e,t)):r})}var __assign=this&&this.__assign||Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++){t=arguments[n];for(var o in t)Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o])}return e},__extends=this&&this.__extends||function(){var e=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])};return function(t,n){function r(){this.constructor=t}e(t,n),t.prototype=null===n?Object.create(n):(r.prototype=n.prototype,new r)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript";document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),DotvvmEvents=function(){return function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")}}(),DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(e),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.unsubscribe=function(e){var t=this.handlers.indexOf(e);t>=0&&(this.handlers=this.handlers.splice(t,1))},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t](e);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(){return function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1}}(),DotvvmBeforePostBackEventArgs=function(){return function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1}}(),DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(){return function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1}}(),DotvvmSpaNavigatedEventArgs=function(){return function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1}}(),DotvvmRedirectEventArgs=function(){return function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1}}(),DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){e.contentWindow.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){return function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()}}(),DotvvmFileUploadData=function(){return function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()}}(),DotvvmFileSize=function(){return function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()}}(),DotvvmGlobalize=function(){function e(){}return e.prototype.format=function(e){for(var t=this,n=[],r=1;r<arguments.length;r++)n[r-1]=arguments[r];return e.replace(/\{([1-9]?[0-9]+)(:[^}])?\}/g,function(e,r,o){var i=n[parseInt(r)];return o?t.formatString(o,i):i})},e.prototype.formatString=function(e,t){return null==(t=ko.unwrap(t))?"":("string"==typeof t&&(t=this.parseDotvvmDate(t)),""!==e&&null!==e||(e="G"),dotvvm_Globalize.format(t,e,dotvvm.culture))},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),t.length>7?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return dotvvm_Globalize.parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return dotvvm_Globalize.parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(e,t){var n=this;if(void 0===t&&(t="G"),!e)return"";var r=function(){var t=ko.unwrap(e);return"string"==typeof t?n.parseDotvvmDate(t):t},o=function(){var e=r();return null!=e?dotvvm_Globalize.format(e,t,dotvvm.culture):""};if(ko.isWriteableObservable(e)){var i="string"==typeof r()?function(t){return e(null==t?null:dotvvm.serialization.serializeDate(t,!1))}:e;return ko.pureComputed({read:function(){return o()},write:function(e){return i(dotvvm_Globalize.parseDate(e,t,dotvvm.culture))}})}return ko.pureComputed(function(){return o()})},e.prototype.bindingNumberToString=function(e,t){var n=this;if(void 0===t&&(t="G"),!e)return"";var r=function(){var r=function(){var t=ko.unwrap(e);return"string"==typeof t?n.parseNumber(t):t}();return null!=r?dotvvm_Globalize.format(r,t,dotvvm.culture):""};return ko.isWriteableObservable(e)?ko.pureComputed({read:function(){return r()},write:function(t){var n=dotvvm_Globalize.parseFloat(t,10,dotvvm.culture),r=null==t||null!=n&&!isNaN(n);e(r?n:null)}}):ko.pureComputed(function(){return r()})},e}(),PostbackOptions=function(){return function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}}}(),ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(e,t){var n=this;return new Promise(function(t,r){confirm(n.message)?e().then(t,r):r({type:"handler",handler:n,message:"The postback was not confirmed"})})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)&&t(e),e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)&&t(e),e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)&&t(e),e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{for(var a=[],o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;null==s&&(s={},ko.isObservable(t)?l=!0:t=s);for(var u in e)if(e.hasOwnProperty(u)&&!/\$options$/.test(u)){var d=e[u];if(void 0===d)continue;if(!ko.isObservable(d)&&"function"==typeof d)continue;var v=e[u+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(d)?d:this.deserialize(d,s[u],n);if(d instanceof Date&&(s[u+"$options"]=s[u+"$options"]||{},s[u+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[u]))c()!==s[u]()&&s[u](c());else{var p=ko.unwrap(c);s[u]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[u])?c!==s[u]()&&s[u](c):s[u]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[u]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[u].extend(h)}}for(var u in e)if(e.hasOwnProperty(u)&&/\$options$/.test(u)){s[u]=s[u]||{};for(var b in e[u])e[u].hasOwnProperty(b)&&(s[u][b]=e[u][b]);var g=u.substring(0,u.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var u=e[s+"$options"];if(!t.serializeAll&&u&&u.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&u&&u.pathOnly&&t.pathMatcher){var d=u.pathOnly;d instanceof Array||(d=t.path||this.findObject(l,t.pathMatcher)),d&&(0===d.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:d,pathOnly:!0}))}else a[s]=this.serialize(l,t);u&&u.type&&!this.validateType(a[s],u.type)&&(delete a[s],u.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&(null===e||void 0===e))return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-(s/2|0));var l=parseInt(e);return l>=a&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(e=ko.unwrap(e),t(e))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),"string"==typeof e)return null!=dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e;return this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var e=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},timeout:function(t){return t.time?e.createWindowSetTimeoutHandler(t.time):e.windowSetTimeoutHandler},"concurrency-none":function(t){return{name:"concurrency-none",before:["setIsPostackRunning"],execute:function(n,r){return e.commonConcurrencyHandler(n(),r,t.q||"default")}}},"concurrency-deny":function(e){return{name:"concurrency-deny",before:["setIsPostackRunning"],execute:function(t,n){var r=e.q||"default";return dotvvm.getPostbackQueue(r).noRunning>0?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(t(),n,r)}}},"concurrency-queue":function(e){return{name:"concurrency-queue",before:["setIsPostackRunning"],execute:function(t,n){var r=e.q||"default";return dotvvm.getPostbackQueue(r).noRunning>0?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(t())})}):dotvvm.commonConcurrencyHandler(t(),n,r)}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostackRunning","concurrency-none","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.beforePostbackEventPostbackHandler={execute:function(t,n){var r=new DotvvmBeforePostBackEventArgs(n.sender,n.viewModel,n.viewModelName,n.postbackId);return e.events.beforePostback.trigger(r),r.cancel?Promise.reject({type:"event",options:n}):t()}},this.isPostBackRunningHandler=function(){var t=0;return{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(n,r){e.isPostbackRunning(!0),t++;var o=n();return o.then(function(){return e.isPostbackRunning(!!--t)},function(){return e.isPostbackRunning(!!--t)}),o}}}(),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(t,n,r){var o=e.getPostbackQueue(r);o.noRunning++;var i=function(){if(o.noRunning--,o.queue.length>0){var e=o.queue.shift();window.setTimeout(e,0)}};return t.then(function(t){var r=e.lastStartedPostack==n.postbackId?t:function(){return Promise.reject(null)};return function(){var e=r();return e.then(i,i),e}},function(e){return i(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-none"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1)}return e.prototype.createWindowSetTimeoutHandler=function(e){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(t,n){return new Promise(function(t,n){return window.setTimeout(t,e)}).then(function(){return t()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.init=function(e,t){var n=this;this.addKnockoutBindingHandlers();var r=this.viewModels[e]=JSON.parse(document.getElementById("__dot_viewmodel_"+e).value);if(r.resources)for(var o in r.resources)this.resourceSigns[o]=!0;r.renderedResources&&r.renderedResources.forEach(function(e){return n.resourceSigns[e]=!0});var i=r.resultIdFragment,a=r.viewModel=this.serialization.deserialize(this.viewModels[e].viewModel,{},!0);this.culture=t,this.validation=new DotvvmValidation(this),this.viewModelObservables[e]=ko.observable(a),ko.applyBindings(this.viewModelObservables[e],document.documentElement),this.events.init.trigger({viewModel:a});var s=this.getSpaPlaceHolder();if(null!=s&&(this.domUtils.attachEvent(window,"hashchange",function(){return n.handleHashChange(e,s,!1)}),this.handleHashChange(e,s,!0)),this.isViewModelUpdating=!1,i)if(s){var l=document.getElementById(i);l&&"function"==typeof l.scrollIntoView&&l.scrollIntoView(!0)}else location.hash=i;this.domUtils.attachEvent(window,"beforeunload",function(t){n.persistViewModel(e)})},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=o>0?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t=this.viewModels[e],n={};for(var r in t)t.hasOwnProperty(r)&&(n[r]=t[r]);n.viewModel=this.serialization.serialize(n.viewModel,{serializeAll:!0}),document.getElementById("__dot_viewmodel_"+e).value=JSON.stringify(n)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(e,t,n,r,o,i){var a=this;if(void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){}),!this.isPostBackProhibited(t)){var s=this.serialization.serialize({args:r,command:n,$csrfToken:this.viewModels[e].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[e].url,"POST",ko.toJSON(s),function(e){try{a.isViewModelUpdating=!0;var t=JSON.parse(e.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:t})),o(t)}catch(t){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e,error:t})),i(e,t)}finally{a.isViewModelUpdating=!1}},function(e){console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})}},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(e,t){var n=this,r=function(e,t){return!1===t.enabled?null:n.getPostbackHandler(e)(t)};return t.map(function(t){return"string"==typeof t?r(t,{}):n.isPostbackHandler(t)?t:t instanceof Array?function(){var n=t[0],o=t[1];return r(n,"function"==typeof o?o(e,e.$data):o)}():r(t.name,t.options&&t.options(e))}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(e){for(var t=function(){for(var t={},n=0,r=e;n<r.length;n++){var o=r[n];null!=o.name&&(t[o.name]=o)}return function(e){return"string"==typeof e?t[e]:e}}(),n=e.map(function(e,n){return e["@sort_index"]=n,{handler:e,deps:(e.after||[]).map(t)}}),r=0,o=e;r<o.length;r++){var i=o[r];if(i.before)for(var a=0,s=i.before.map(t);a<s.length;a++){var l=s[a];if(l){var u=l["@sort_index"];n[u].deps.push(i)}}}for(var d=[],v=new Uint8Array(n.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=n[e],r=t.handler,o=0,i=t.deps;o<i.length;o++){var a=i[o];c(a["@sort_index"])}v[e]=2,d.push(r)}},p=0;p<n.length;p++)c(p);return d},e.prototype.applyPostbackHandlersCore=function(e,t,n){var r=function(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(t,null,e))}};if(null==n||0===n.length)return e(t).then(r,function(e){return Promise.reject(e)});return this.sortHandlers(n).reduceRight(function(e,n,r){return function(){return n.execute(e,t)}},function(){return e(t).then(r,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a);return this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)})},e.prototype.postbackCore=function(e,t,n,r,o,i){var a=this;return new Promise(function(s,l){var u=e.viewModelName,d=a.viewModels[u].viewModel;a.lastStartedPostack=e.postbackId,a.updateDynamicPathFragments(o,t);var v={viewModel:a.serialization.serialize(d,{pathMatcher:function(e){return o&&e==o.$data}}),currentPath:t,command:n,controlUniqueId:a.processPassedId(r,o),additionalData:e.additionalPostbackData,renderedResources:a.viewModels[u].renderedResources,commandArgs:i};a.postJSON(a.viewModels[u].url,"POST",ko.toJSON(v),function(t){dotvvm.events.postbackResponseReceived.trigger({}),s(function(){return new Promise(function(n,r){dotvvm.events.postbackCommitInvoked.trigger({});var o=t.getResponseHeader("Location"),i=null!=o&&o.length>0?{action:"redirect",url:o}:JSON.parse(t.responseText);!i.viewModel&&i.viewModelDiff&&(i.viewModel=a.patch(v.viewModel,i.viewModelDiff)),a.loadResourceList(i.resources,function(){var o=!1;if("successfulCommand"===i.action){try{a.isViewModelUpdating=!0;var s=a.cleanUpdatedControls(i);i.viewModel&&(ko.delaySync.pause(),a.serialization.deserialize(i.viewModel,a.viewModels[u].viewModel),ko.delaySync.resume()),o=!0,a.cleanUpdatedControls(i,s),a.restoreUpdatedControls(i,s,!0)}finally{a.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===i.action)return a.handleRedirect(i,u),n();var l=i.resultIdFragment;if(l)if(a.getSpaPlaceHolder()||location.hash=="#"+l){var v=document.getElementById(l);v&&"function"==typeof v.scrollIntoView&&v.scrollIntoView(!0)}else location.hash=l;if(o){var c=new DotvvmAfterPostBackEventArgs(e,i,i.commandResult,t);n(c)}else r(new DotvvmErrorEventArgs(e.sender,d,u,t,e.postbackId,i))})})})},function(t){l({type:"network",options:e,args:new DotvvmErrorEventArgs(e.sender,d,u,t,e.postbackId)})})})},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;if(this.isPostBackProhibited(t))return new Promise(function(e,t){return t("rejected")});i=i||ko.contextFor(t);var u=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==u.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&u.push(this.defaultConcurrencyPostbackHandler);var d=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},d,u).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(d,"commit"==e.type&&e.args?e.args.serverResponseObject:null,d.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(e,t){var n=this,r=this.viewModels[e].viewModel,o=this.backUpPostBackConter(),i=new DotvvmSpaNavigatingEventArgs(r,e,t);if(this.events.spaNavigating.trigger(i),!i.cancel){t="/___dotvvm-spa___"+this.addLeadingSlash(t);var a=this.addLeadingSlash(this.concatUrl(this.viewModels[e].virtualDirectory||"",t)),s=this.getSpaPlaceHolder();if(s){var l=s.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(a,"GET",l,function(t){if(n.isPostBackStillActive(o)){var i=JSON.parse(t.responseText);n.loadResourceList(i.resources,function(){var o=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void n.handleRedirect(i,e,!0)}else try{n.isViewModelUpdating=!0;var a=n.cleanUpdatedControls(i);n.viewModels[e]={};for(var s in i)i.hasOwnProperty(s)&&(n.viewModels[e][s]=i[s]);ko.delaySync.pause(),n.serialization.deserialize(i.viewModel,n.viewModels[e].viewModel),ko.delaySync.resume(),o=!0,n.viewModelObservables[e](n.viewModels[e].viewModel),n.restoreUpdatedControls(i,a,!0),n.isSpaReady(!0)}finally{n.isViewModelUpdating=!1}var l=new DotvvmSpaNavigatedEventArgs(r,e,i,t);if(n.events.spaNavigated.trigger(l),!o&&!l.isHandled)throw"Invalid response from server!"})}},function(t){if(n.isPostBackStillActive(o)){var i=new DotvvmErrorEventArgs(void 0,r,e,t,-1,void 0,!0);n.events.error.trigger(i),i.handled||alert(t.responseText)}})}else document.location.href=a}},e.prototype.handleRedirect=function(e,t,n){void 0===n&&(n=!1),null!=e.replace&&(n=e.replace);var r;this.getSpaPlaceHolder()&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),r=this.fixSpaUrlPrefix(r)):r=e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n)},e.prototype.performRedirect=function(e,t){if(t)location.replace(e);else{var n=this.fakeRedirectAnchor;n||((n=document.createElement("a")).style.display="none",n.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(n),this.fakeRedirectAnchor=n),n.href=e,n.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return e.length>0&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return e.length>0&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(e,t){var n=this;if(e instanceof Array&&t instanceof Array)return t.map(function(t,r){return n.patch(e[r],t)});if(e instanceof Array||t instanceof Array)return t;if("object"!=typeof e||"object"!=typeof t)return t;for(var r in t)null==t[r]?e[r]=null:null==e[r]?e[r]=t[r]:e[r]=this.patch(e[r],t[r]);return e},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;n>=0;n--)t[n].indexOf("[$index]")>=0&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){void 0===t&&(t={});for(var n in e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(e,t,n){var r=this;for(var o in e.updatedControls)if(e.updatedControls.hasOwnProperty(o)){var i=t[o];if(i){var a=document.createElement(t[o].parent.tagName||"div");if(a.innerHTML=e.updatedControls[o],a.childElementCount>1)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==t[o].control.id&&console.log("Postback.Update control changed id from '"+t[o].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}n&&window.setTimeout(function(){try{r.isViewModelUpdating=!0;for(var n in e.updatedControls){var o=document.getElementByDotvvmId(n);o&&ko.applyBindings(t[n].dataContext,o)}}finally{r.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,t){var n=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,n,r,o,i){if(!r)return"";var a=ko.unwrap(t[r.toLowerCase()]);return null==a?"":n+a});return 0===n.indexOf("/")?n.substring(1):n},e.prototype.buildUrlSuffix=function(e,t){var n,r;-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),r=e.substring(e.indexOf("#"))):(n=e,r="");for(var o in t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&"a"===e.tagName.toLowerCase()&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function e(e,t){void 0===t&&(t=null);var n=ko.pureComputed({read:function(){var t=e();return ko.unwrap(t)},write:function(n){var r=e();ko.isObservable(r)?r(n):console.warn("Attempted to write to readonly property"+(null==t?"":" "+t)+".")}});return n.wrappedProperty=e,n}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(t,n,r,o,i){if(!i)throw new Error;var a=n();for(var s in a)a[s]=e(function(){return n()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+n.toString()+"'");var l=i.extend({$control:a});return t.innerBindingContext=l,ko.applyBindingsToDescendants(l,t),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(t,n,r,o,i){if(!i)throw new Error;var a=n(),s={};for(var l in a){for(var u=l.split("."),d=s;0<u.length-1;0)d=s[u[0]]||(s[u[0]]={});d[u[u.length-1]]=e(function(){return n()[this.prop]}.bind({prop:l}),"'"+l+"' at '"+n.toString()+"'")}var v=i.extend(s);return t.innerBindingContext=v,ko.applyBindingsToDescendants(v,t),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o.extend({$gridViewDataSet:i});return e.innerBindingContext=a,ko.applyBindingsToDescendants(a,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,n,r,o){dotvvm.events.afterPostback.subscribe(function(e){var t=n();if(t["dotvvm-checked-pointer"]){var r=t[t["dotvvm-checked-pointer"]];ko.isObservable(r)&&(r.valueHasMutated?r.valueHasMutated():r.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(e,t,n,r,o){e.style.display="none";var i,a=e.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(t){t?s||(s=!0,null==a?e.style.display="":i=setTimeout(function(t){e.style.display=""},a)):(s=!1,clearTimeout(i),e.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=[].slice.call(s.rows.item(0).cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,l)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(e,t,n,r,o){var i=t(),a=(n.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=e,a.dataType=(e.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(e.attributes["data-dotvvm-format"]||{value:""}).value,i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),setTimeout(function(e,t){ko.utils.domNodeDisposal.addDisposeCallback(t,function(){for(var n=0,r=e;n<r.length;n++){var o=r[n];if(o.element===t){e.splice(e.indexOf(o),1);break}}})},0,i.dotvvmMetadata.elementsMetadata,e),dotvvm.domUtils.attachEvent(e,"change",function(){if(ko.isObservable(i)){var t,n;if("datetime"===a.dataType){var r=i();null!=r&&(r=dotvvm.globalize.parseDotvvmDate(r)),n=null==(t=dotvvm.globalize.parseDate(e.value,a.format,r))?null:dotvvm.serialization.serializeDate(t,!1)}else n=null===(t=dotvvm.globalize.parseNumber(e.value))||isNaN(t)?null:t;null==n&&null!==e.value&&""!==e.value?(e.attributes["data-invalid-value"]=e.value,e.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(e.attributes["data-invalid-value"]=null,e.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===n?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(n)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),u=e.attributes["data-invalid-value"];if(null==u){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var d=0,v=i.dotvvmMetadata.elementsMetadata;d<v.length;d++){var c=v[d];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=u}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(){return function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n}}(),DotvvmValidationObservableMetadata=function(){return function(){}}(),DotvvmValidationElementMetadata=function(){return function(){this.elementValidationState=!0}}(),DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&t>=n&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return n>=r&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(e){var t=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){t.length>0?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){t.length>0?e.className+=" "+n:e.className=e.className.split(" ").filter(function(e){return e!=n}).join(" ")},setToolTipText:function(e,t,n){t.length>0?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};var n=function(n){return{execute:function(r,o){if(n){o.additionalPostbackData.validationTargetPath=n;var i=ko.contextFor(o.sender),a=e.evaluator.evaluateOnViewModel(i,n);if(t.clearValidationErrors(e.viewModelObservables[o.viewModelName||"root"]),t.validateViewModel(a),t.errors().length>0)return console.log("Validation failed: postback aborted; errors: ",t.errors()),Promise.reject({type:"handler",handler:t,message:"Validation failed"});t.events.validationErrorsChanged.trigger({viewModel:o.viewModel})}return r()}}};e.postbackHandlers.validate=function(e){return n(e.path)},e.postbackHandlers["validate-root"]=function(){return n("dotvvm.viewModelObservables['root']")},e.postbackHandlers["validate-this"]=function(){return n("$data")},e.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(t.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(t.showValidationErrorsFromServer(e),e.isHandled=!0)),t.events.validationErrorsChanged.trigger(e)}),e.events.spaNavigating.subscribe(function(n){t.clearValidationErrors(e.viewModelObservables[n.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(e,n,r,o,i){var a=n();if(ko.isObservable(a)){var s=r.get("dotvvmValidationOptions"),l=function(e,n){for(var r in s)s.hasOwnProperty(r)&&t.elementUpdateFunctions[r](e,n.map(function(e){return e.errorMessage}),s[r])},u=ValidationError.getOrCreate(a);u.subscribe(function(t){return l(e,t)}),l(e,u())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e&&dotvvm.viewModels.root.validationRules){var t=ko.unwrap(e.$type);if(t){var n=dotvvm.viewModels.root.validationRules[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,u=i;l<u.length;l++){var d=u[l];this.validateViewModel(d)}else i.$type&&this.validateViewModel(i)}}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var u=new ValidationError(t,a.errorMessage);this.addValidationError(t,u)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules);for(var n in e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var u in i)if(i.hasOwnProperty(u)&&0!==u.indexOf("$")){var d=i[u];d&&ko.isObservable(d)&&(o=o.concat(this.getValidationErrors(d,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;a?(ko.isObservable(n)&&(n=ko.unwrap(n)),i=dotvvm.evaluator.evaluateOnViewModel(n,a)):i=n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return(result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context))&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapKnockoutExpression=function(e){var t,n=this,r=this.getExpressionResult(e),o=ko.isWriteableObservable(r),i=this.isObservableArray(r);return o?(t=ko.pureComputed({read:function(){return ko.unwrap(n.getExpressionResult(e))},write:function(t){return n.updateObservable(e,t)}}),i&&(t.push=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"push",t)},t.pop=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"pop",t)},t.unshift=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"unshift",t)},t.shift=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"shift",t)},t.reverse=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"reverse",t)},t.sort=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"sort",t)},t.splice=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"splice",t)},t.slice=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"slice",t)},t.replace=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"replace",t)},t.indexOf=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"indexOf",t)},t.remove=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"remove",t)},t.removeAll=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];return n.updateObservableArray(e,"removeAll",t)})):t=ko.pureComputed(function(){return ko.unwrap(n.getExpressionResult(e))}),i&&(t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);if(!ko.isWriteableObservable(n))throw Error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.");n(t)},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);if(!this.isObservableArray(r))throw Error("Cannot execute '"+t+"' function on ko.computed because the '"+e+"' does not return an observable array.");r[t].apply(r,n)},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();!function(){var e={};DotVVM.prototype.invokeApiFn=function(t,n,r,o){void 0===n&&(n=[]),void 0===r&&(r=[]),void 0===o&&(o=t.toString());var i=e[o]||(e[o]=ko.observable(null)),a=ko.pureComputed(function(){return i()});return a.refreshValue=function(e){var n=i.promise;i.isLoading||(i.isLoading=!0,n=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(t)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=r;t<n.length;t++){var o=n[t];dotvvm.eventHub.notify(o)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=n);{if("error"!=n.type)return n.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),n.result;if(i.isLoading=!1,e)throw n.error}},i.peek()||a.refreshValue(),ko.computed(function(){return n.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return a.refreshValue()}),a},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
index f4824af4ac..36631583c4 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
@@ -930,10 +930,13 @@ class DotVVM {
         return ko.unwrap(ko.unwrap(array));
     }
     public buildRouteUrl(routePath: string, params: any): string {
-        var url = routePath.replace(/\{([^\}]+?)\??(:(.+?))?\}/g, (s, paramName, hsjdhsj, type) => {
+        // prepend url with backslash to correctly handle optional parameters at start
+        routePath = '/' + routePath; 
+
+        var url = routePath.replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g, (s, prefix, paramName, _, type) => {
             if (!paramName) return "";
             const x = ko.unwrap(params[paramName.toLowerCase()])
-            return x == null ? "" : x;
+            return x == null ? "" : prefix + x;
         });
 
         if (url.indexOf('/') === 0) {
diff --git a/src/DotVVM.Samples.Common/DotvvmStartup.cs b/src/DotVVM.Samples.Common/DotvvmStartup.cs
index cf45ec25d7..616fb74cd0 100644
--- a/src/DotVVM.Samples.Common/DotvvmStartup.cs
+++ b/src/DotVVM.Samples.Common/DotvvmStartup.cs
@@ -82,6 +82,9 @@ private static void AddRoutes(DotvvmConfiguration config)
             config.RouteTable.Add("FeatureSamples_ParameterBinding_OptionalParameterBinding2", "FeatureSamples/ParameterBinding/OptionalParameterBinding2/{Id?}", "Views/FeatureSamples/ParameterBinding/OptionalParameterBinding.dothtml", new { Id = 300 });
             config.RouteTable.AutoDiscoverRoutes(new DefaultRouteStrategy(config));
             config.RouteTable.Add("RepeaterRouteLink-PageDetail", "ControlSamples/Repeater/RouteLink/{Id}", "Views/ControlSamples/Repeater/RouteLink.dothtml", new { Id = 0 });
+            config.RouteTable.Add("RepeaterRouteLink-PageDetail_IdOptional", "ControlSamples/Repeater/RouteLink/{Id?}", "Views/ControlSamples/Repeater/RouteLink.dothtml");
+            config.RouteTable.Add("RepeaterRouteLink-PageDetail_IdOptionalPrefixed", "ControlSamples/Repeater/RouteLink/id-{Id?}", "Views/ControlSamples/Repeater/RouteLink.dothtml");
+            config.RouteTable.Add("RepeaterRouteLink-PageDetail_IdOptionalAtStart", "id-{Id?}/ControlSamples/Repeater/RouteLink", "Views/ControlSamples/Repeater/RouteLink.dothtml");
             config.RouteTable.Add("RepeaterRouteLinkUrlSuffix-PageDetail", "ControlSamples/Repeater/RouteLinkUrlSuffix/{Id}", "Views/ControlSamples/Repeater/RouteLink.dothtml", new { Id = 0 });
             config.RouteTable.Add("FeatureSamples_Redirect_RedirectFromPresenter", "FeatureSamples/Redirect/RedirectFromPresenter", provider => new RedirectingPresenter());
             config.RouteTable.Add("FeatureSamples_Validation_ClientSideValidationDisabling2", "FeatureSamples/Validation/ClientSideValidationDisabling/{ClientSideValidationEnabled}", "Views/FeatureSamples/Validation/ClientSideValidationDisabling.dothtml", new { ClientSideValidationEnabled = false });
diff --git a/src/DotVVM.Samples.Common/ViewModels/ControlSamples/RouteLink/RouteLinkUrlGenViewModel.cs b/src/DotVVM.Samples.Common/ViewModels/ControlSamples/RouteLink/RouteLinkUrlGenViewModel.cs
new file mode 100644
index 0000000000..2ee51bddae
--- /dev/null
+++ b/src/DotVVM.Samples.Common/ViewModels/ControlSamples/RouteLink/RouteLinkUrlGenViewModel.cs
@@ -0,0 +1,7 @@
+namespace DotVVM.Samples.BasicSamples.ViewModels.ControlSamples.RouteLink
+{
+    public class RouteLinkUrlGenViewModel
+    {
+        public int RouteParameter { get; set; } = 1;
+    }
+}
diff --git a/src/DotVVM.Samples.Common/Views/ControlSamples/RouteLink/RouteLinkEnabled.dothtml b/src/DotVVM.Samples.Common/Views/ControlSamples/RouteLink/RouteLinkEnabled.dothtml
index ddbaf74e83..338a25deff 100644
--- a/src/DotVVM.Samples.Common/Views/ControlSamples/RouteLink/RouteLinkEnabled.dothtml
+++ b/src/DotVVM.Samples.Common/Views/ControlSamples/RouteLink/RouteLinkEnabled.dothtml
@@ -15,17 +15,15 @@
     <div class="container">
         <h1>RouteLink enabled property demo</h1>
 
-		<p>
-			<dot:CheckBox Checked="{value: Enabled}" Text="Enabled" />
-		</p>
-		<p>
-			<dot:RouteLink RouteName="RepeaterRouteLink-PageDetail" Param-Id="0" Enabled="{value: Enabled}" Text="Static href" />
-		</p>
-
-		<p>
-			<dot:RouteLink RouteName="RepeaterRouteLink-PageDetail" Param-Id="{value: RouteParameter}" Enabled="{value: Enabled}" Text="Dynamic href" />
-		</p>
-
+        <p>
+            <dot:CheckBox Checked="{value: Enabled}" Text="Enabled" />
+        </p>
+        <p>
+            <dot:RouteLink RouteName="RepeaterRouteLink-PageDetail" Param-Id="0" Enabled="{value: Enabled}" Text="Static href" />
+        </p>
+        <p>
+            <dot:RouteLink RouteName="RepeaterRouteLink-PageDetail" Param-Id="{value: RouteParameter}" Enabled="{value: Enabled}" Text="Dynamic href" />
+        </p>
     </div>
 </body>
 </html>
diff --git a/src/DotVVM.Samples.Common/Views/ControlSamples/RouteLink/RouteLinkUrlGen.dothtml b/src/DotVVM.Samples.Common/Views/ControlSamples/RouteLink/RouteLinkUrlGen.dothtml
new file mode 100644
index 0000000000..a374f3988f
--- /dev/null
+++ b/src/DotVVM.Samples.Common/Views/ControlSamples/RouteLink/RouteLinkUrlGen.dothtml
@@ -0,0 +1,62 @@
+@viewModel DotVVM.Samples.BasicSamples.ViewModels.ControlSamples.RouteLink.RouteLinkUrlGenViewModel
+
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+    <title>Hello from DotVVM!</title>
+    <style>
+        .invalid {
+            color: red;
+        }
+    </style>
+    <dot:RequiredResource Name="globalize:cs-CZ" />
+</head>
+<body>
+    <div class="container">
+        <h1>RouteLink url generation demo</h1>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Client" RouteName="RepeaterRouteLink-PageDetail_IdOptional"
+                           Text="Client rendered: Optional parameter" data-ui="optional-parameter-client" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Server" RouteName="RepeaterRouteLink-PageDetail_IdOptional"
+                           Text="Server rendered: Optional parameter" data-ui="optional-parameter-server" />
+        </p>
+        <p>
+            <dot:RouteLink RouteName="Default" Text="0 parameters" data-ui="0-parameters" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Client" RouteName="RepeaterRouteLink-PageDetail_IdOptionalPrefixed"
+                           Text="Client rendered: Optional parameter (Prefixed)" data-ui="optional-parameter-prefixed-client" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Server" RouteName="RepeaterRouteLink-PageDetail_IdOptionalPrefixed"
+                           Text="Server rendered: Optional parameter (Prefixed)" data-ui="optional-parameter-prefixed-server" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Client" RouteName="RepeaterRouteLink-PageDetail_IdOptionalPrefixed" Param-Id="{value: RouteParameter}"
+                           Text="Client rendered: Parameter (Prefixed)" data-ui="parameter-prefixed-client" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Server" RouteName="RepeaterRouteLink-PageDetail_IdOptionalPrefixed" Param-Id="{value: RouteParameter}"
+                           Text="Server rendered: Parameter (Prefixed)" data-ui="parameter-prefixed-server" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Client" RouteName="RepeaterRouteLink-PageDetail_IdOptionalAtStart" 
+                           Text="Client rendered: Optional parameter (at start)" data-ui="optional-parameter-at-start-client" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Server" RouteName="RepeaterRouteLink-PageDetail_IdOptionalAtStart" 
+                           Text="Server rendered: Optional parameter (at start)" data-ui="optional-parameter-at-start-server" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Client" RouteName="RepeaterRouteLink-PageDetail_IdOptionalAtStart" Param-Id="{value: RouteParameter}"
+                           Text="Client rendered: Optional prefixed parameter (at start)" data-ui="optional-prefixed-parameter-at-start-client" />
+        </p>
+        <p>
+            <dot:RouteLink RenderSettings.Mode="Server" RouteName="RepeaterRouteLink-PageDetail_IdOptionalAtStart" Param-Id="{value: RouteParameter}"
+                           Text="Server rendered: Optional prefixed parameter (at start)" data-ui="optional-prefix-parameter-at-start-server" />
+        </p>
+    </div>
+</body>
+</html>
diff --git a/src/DotVVM.Samples.Tests/Control/RouteLinkTests.cs b/src/DotVVM.Samples.Tests/Control/RouteLinkTests.cs
index deacba32d3..22fb8705bf 100644
--- a/src/DotVVM.Samples.Tests/Control/RouteLinkTests.cs
+++ b/src/DotVVM.Samples.Tests/Control/RouteLinkTests.cs
@@ -1,11 +1,7 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using DotVVM.Testing.Abstractions;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-
+using Riganti.Selenium.Core.Abstractions;
 
 namespace DotVVM.Samples.Tests.Control
 {
@@ -16,8 +12,7 @@ public class RouteLinkTests : AppSeleniumTest
         [SampleReference(nameof(SamplesRouteUrls.ControlSamples_RouteLink_TestRoute))]
         public void Control_RouteLink_RouteLinkEnabled()
         {
-            RunInAllBrowsers(browser =>
-            {
+            RunInAllBrowsers(browser => {
                 browser.NavigateToUrl(SamplesRouteUrls.ControlSamples_RouteLink_RouteLinkEnabled);
                 browser.Single("body > div.container > p:nth-child(2) > label > input[type=\"checkbox\"]")
                     .CheckIfIsNotChecked();
@@ -25,7 +20,41 @@ public void Control_RouteLink_RouteLinkEnabled()
 
                 browser.Single("body > div.container > p:nth-child(2) > label > input[type=\"checkbox\"]").Click();
                 browser.Single("body > div.container > p:nth-child(3) > a").Click();
-                browser.CompareUrl("http://localhost:60320/ControlSamples/Repeater/RouteLink/0");
+                browser.CheckUrl("/ControlSamples/Repeater/RouteLink/0", UrlKind.Relative, UriComponents.PathAndQuery);
+                browser.NavigateBack();
+            });
+        }
+
+        [TestMethod]
+        [SampleReference(nameof(SamplesRouteUrls.ControlSamples_RouteLink_TestRoute))]
+        public void Control_RouteLink_RouteLinkUrlGeneration()
+        {
+            RunInAllBrowsers(browser => {
+                browser.NavigateToUrl(SamplesRouteUrls.ControlSamples_RouteLink_RouteLinkUrlGen);
+
+                void checkNavigatedUrl(string selector, string relativeUrl)
+                {
+                    browser.Single(selector).Click();
+                    browser.CheckUrl(relativeUrl, UrlKind.Relative, UriComponents.PathAndQuery);
+                    browser.NavigateBack();
+                }
+
+                checkNavigatedUrl("a[data-ui='optional-parameter-client']", "/ControlSamples/Repeater/RouteLink");
+                checkNavigatedUrl("a[data-ui='optional-parameter-server']", "/ControlSamples/Repeater/RouteLink");
+
+                checkNavigatedUrl("a[data-ui='0-parameters']", "/");
+
+                checkNavigatedUrl("a[data-ui='optional-parameter-prefixed-client']", "/ControlSamples/Repeater/RouteLink");
+                checkNavigatedUrl("a[data-ui='optional-parameter-prefixed-server']", "/ControlSamples/Repeater/RouteLink");
+
+                checkNavigatedUrl("a[data-ui='parameter-prefixed-client']", "/ControlSamples/Repeater/RouteLink/id-1");
+                checkNavigatedUrl("a[data-ui='parameter-prefixed-server']", "/ControlSamples/Repeater/RouteLink/id-1");
+
+                checkNavigatedUrl("a[data-ui='optional-parameter-at-start-client']", "/ControlSamples/Repeater/RouteLink");
+                checkNavigatedUrl("a[data-ui='optional-parameter-at-start-server']", "/ControlSamples/Repeater/RouteLink");
+
+                checkNavigatedUrl("a[data-ui='optional-prefixed-parameter-at-start-client']", "/id-1/ControlSamples/Repeater/RouteLink");
+                checkNavigatedUrl("a[data-ui='optional-prefixed-parameter-at-start-client']", "/id-1/ControlSamples/Repeater/RouteLink");
             });
         }
 
@@ -33,17 +62,16 @@ public void Control_RouteLink_RouteLinkEnabled()
         [SampleReference(nameof(SamplesRouteUrls.ControlSamples_RouteLink_TestRoute))]
         public void Control_RouteLink_RouteLinkEnabledFalse()
         {
-            RunInAllBrowsers(browser =>
-            {
+            RunInAllBrowsers(browser => {
                 browser.NavigateToUrl(SamplesRouteUrls.ControlSamples_RouteLink_RouteLinkEnabledFalse);
 
                 //this RouteLink does not contain a binding (<dot:RouteLink Enabled="false" ... ) and should not redirect
                 browser.First("a").Click();
-                browser.CompareUrl("http://localhost:60320/ControlSamples/RouteLink/RouteLinkEnabledFalse");
+                browser.CheckUrl("/ControlSamples/RouteLink/RouteLinkEnabledFalse", UrlKind.Relative, UriComponents.PathAndQuery);
 
                 //this RouteLink contains a binding ( <dot:RouteLink Enabled={{value: "false" ... }} and should not redirect
                 browser.Last("a").Click();
-                browser.CompareUrl("http://localhost:60320/ControlSamples/RouteLink/RouteLinkEnabledFalse");
+                browser.CheckUrl("/ControlSamples/RouteLink/RouteLinkEnabledFalse", UrlKind.Relative, UriComponents.PathAndQuery);
             });
         }
     }
diff --git a/src/DotVVM.Testing.Abstractions/SamplesRouteUrls.cs b/src/DotVVM.Testing.Abstractions/SamplesRouteUrls.cs
index f261e7d1dc..c842a8da49 100644
--- a/src/DotVVM.Testing.Abstractions/SamplesRouteUrls.cs
+++ b/src/DotVVM.Testing.Abstractions/SamplesRouteUrls.cs
@@ -159,6 +159,8 @@ public class SamplesRouteUrls{
 
             public static string ControlSamples_RouteLink_RouteLinkEnabledFalse => "ControlSamples/RouteLink/RouteLinkEnabledFalse";
 
+            public static string ControlSamples_RouteLink_RouteLinkUrlGen => "ControlSamples/RouteLink/RouteLinkUrlGen";
+
             public static string ControlSamples_RouteLink_TestRoute => "ControlSamples/RouteLink/TestRoute";
 
             public static string ControlSamples_SpaContentPlaceHolder_Default => "ControlSamples/SpaContentPlaceHolder/Default";