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  /*! *****************************************************************************
      Copyright (c) Microsoft Corporation.
  
      Permission to use, copy, modify, and/or distribute this software for any
      purpose with or without fee is hereby granted.
  
      THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
      REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
      AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
      INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
      LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
      OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
      PERFORMANCE OF THIS SOFTWARE.
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Lt(e(e({},t),{id:t.id||t.src,src:t.src}));if(k(t.src)||T(t.src)){var o=h.id+":invocation["+n+"]";return h.machine.options.services=e(((i={})[o]=t.src,i),h.machine.options.services),Lt(e(e({id:o},t),{src:o}))}var a=t.src;return Lt(e(e({id:a.type},t),{src:a}))})),this.activities=S(this.config.activities).concat(this.invoke).map((function(t){return dt(t)})),this.transition=this.transition.bind(this),this.tags=S(this.config.tags)}return a.prototype._init=function(){this.__cache.transitions||J(this).forEach((function(t){return t.on}))},a.prototype.withConfig=function(t,n){void 0===n&&(n=this.context);var r=this.options,i=r.actions,o=r.activities,s=r.guards,c=r.services,u=r.delays;return new a(this.config,{actions:e(e({},i),t.actions),activities:e(e({},o),t.activities),guards:e(e({},s),t.guards),services:e(e({},c),t.services),delays:e(e({},u),t.delays)},n)},a.prototype.withContext=function(t){return new a(this.config,this.options,t)},Object.defineProperty(a.prototype,"definition",{get:function(){return{id:this.id,key:this.key,version:this.version,context:this.context,type:this.type,initial:this.initial,history:this.history,states:d(this.states,(function(t){return t.definition})),on:this.on,transitions:this.transitions,entry:this.onEntry,exit:this.onExit,activities:this.activities||[],meta:this.meta,order:this.order||-1,data:this.doneData,invoke:this.invoke}},enumerable:!1,configurable:!0}),a.prototype.toJSON=function(){return this.definition},Object.defineProperty(a.prototype,"on",{get:function(){if(this.__cache.on)return this.__cache.on;var t=this.transitions;return this.__cache.on=t.reduce((function(t,e){return t[e.eventType]=t[e.eventType]||[],t[e.eventType].push(e),t}),{})},enumerable:!1,configurable:!0}),Object.defineProperty(a.prototype,"after",{get:function(){return this.__cache.delayedTransitions||(this.__cache.delayedTransitions=this.getDelayedTransitions(),this.__cache.delayedTransitions)},enumerable:!1,configurable:!0}),Object.defineProperty(a.prototype,"transitions",{get:function(){return this.__cache.transitions||(this.__cache.transitions=this.formatTransitions(),this.__cache.transitions)},enumerable:!1,configurable:!0}),a.prototype.getCandidates=function(t){if(this.__cache.candidates[t])return this.__cache.candidates[t];var e=""===t,n=this.transitions.filter((function(n){var r=n.eventType===t;return e?r:r||"*"===n.eventType}));return this.__cache.candidates[t]=n,n},a.prototype.getDelayedTransitions=function(){var t=this,n=this.config.after;if(!n)return[];var r=function(e,n){var r=_t(T(e)?t.id+":delay["+n+"]":e,t.id);return t.onEntry.push(vt(r,{delay:e})),t.onExit.push(St(r)),r};return(E(n)?n.map((function(t,n){var i=r(t.delay,n);return e(e({},t),{event:i})})):g(s(n).map((function(t,i){var o=n[t],a=N(o)?{target:o}:o,s=isNaN(+t)?t:+t,c=r(s,i);return S(a).map((function(t){return e(e({},t),{event:c,delay:s})}))})))).map((function(n){var r=n.delay;return e(e({},t.formatTransition(n)),{delay:r})}))},a.prototype.getStateNodes=function(t){var e,n=this;if(!t)return[];var r=t instanceof Pt?t.value:f(t,this.delimiter);if(N(r)){var i=this.getStateNode(r).initial;return void 0!==i?this.getStateNodes(((e={})[r]=i,e)):[this,this.states[r]]}var o=s(r),a=o.map((function(t){return n.getStateNode(t)}));return a.push(this),a.concat(o.reduce((function(t,e){var i=n.getStateNode(e).getStateNodes(r[e]);return t.concat(i)}),[]))},a.prototype.handles=function(t){var e=u(t);return this.events.includes(e)},a.prototype.resolveState=function(t){var n=Array.from(B([],this.getStateNodes(t.value)));return new Pt(e(e({},t),{value:this.resolve(t.value),configuration:n,done:H(n,this)}))},a.prototype.transitionLeafNode=function(t,e,n){var r=this.getStateNode(t).next(e,n);return r&&r.transitions.length?r:this.next(e,n)},a.prototype.transitionCompoundNode=function(t,e,n){var r=s(t),i=this.getStateNode(r[0])._transition(t[r[0]],e,n);return i&&i.transitions.length?i:this.next(e,n)},a.prototype.transitionParallelNode=function(t,e,n){var i,o,a={};try{for(var c=r(s(t)),u=c.next();!u.done;u=c.next()){var h=u.value,f=t[h];if(f){var l=this.getStateNode(h)._transition(f,e,n);l&&(a[h]=l)}}}catch(t){i={error:t}}finally{try{u&&!u.done&&(o=c.return)&&o.call(c)}finally{if(i)throw i.error}}var d=s(a).map((function(t){return a[t]})),p=g(d.map((function(t){return t.transitions})));if(!d.some((function(t){return t.transitions.length>0})))return this.next(e,n);var v=g(d.map((function(t){return t.entrySet}))),y=g(s(a).map((function(t){return a[t].configuration})));return{transitions:p,entrySet:v,exitSet:g(d.map((function(t){return t.exitSet}))),configuration:y,source:e,actions:g(s(a).map((function(t){return a[t].actions})))}},a.prototype._transition=function(t,e,n){return N(t)?this.transitionLeafNode(t,e,n):1===s(t).length?this.transitionCompoundNode(t,e,n):this.transitionParallelNode(t,e,n)},a.prototype.next=function(t,e){var n,a,s,u=this,h=e.name,l=[],d=[];try{for(var p=r(this.getCandidates(h)),y=p.next();!y.done;y=p.next()){var m=y.value,S=m.cond,x=m.in,w=t.context,b=!x||(N(x)&&Mt(x)?t.matches(f(this.getStateNodeById(x).path,this.delimiter)):c(f(x,this.delimiter),v(this.path.slice(0,-2))(t.value))),_=!1;try{_=!S||R(this.machine,S,w,e,t)}catch(t){throw new Error("Unable to evaluate guard '"+(S.name||S.type)+"' in transition for event '"+h+"' in state node '"+this.id+"':\n"+t.message)}if(_&&b){void 0!==m.target&&(d=m.target),l.push.apply(l,o([],i(m.actions))),s=m;break}}}catch(t){n={error:t}}finally{try{y&&!y.done&&(a=p.return)&&a.call(p)}finally{if(n)throw n.error}}if(s){if(!d.length)return{transitions:[s],entrySet:[],exitSet:[],configuration:t.value?[this]:[],source:t,actions:l};var E=g(d.map((function(e){return u.getRelativeStateNodes(e,t.historyValue)}))),T=!!s.internal;return{transitions:[s],entrySet:T?[]:g(E.map((function(t){return u.nodesFromChild(t)}))),exitSet:T?[]:[this],configuration:E,source:t,actions:l}}},a.prototype.nodesFromChild=function(t){if(t.escapes(this))return[];for(var e=[],n=t;n&&n!==this;)e.push(n),n=n.parent;return e.push(this),e},a.prototype.escapes=function(t){if(this===t)return!1;for(var e=this.parent;e;){if(e===t)return!1;e=e.parent}return!0},a.prototype.getActions=function(t,e,n,a){var s,c,u,h,f=B([],a?this.getStateNodes(a.value):[this]),l=t.configuration.length?B(f,t.configuration):f;try{for(var d=r(l),p=d.next();!p.done;p=d.next()){X(f,m=p.value)||t.entrySet.push(m)}}catch(t){s={error:t}}finally{try{p&&!p.done&&(c=d.return)&&c.call(d)}finally{if(s)throw s.error}}try{for(var v=r(f),y=v.next();!y.done;y=v.next()){var m;X(l,m=y.value)&&!X(t.exitSet,m.parent)||t.exitSet.push(m)}}catch(t){u={error:t}}finally{try{y&&!y.done&&(h=v.return)&&h.call(v)}finally{if(u)throw u.error}}t.source||(t.exitSet=[],t.entrySet.push(this));var S=g(t.entrySet.map((function(r){var i=[];if("final"!==r.type)return i;var o=r.parent;if(!o.parent)return i;i.push(Et(r.id,r.doneData),Et(o.id,r.doneData?x(r.doneData,e,n):void 0));var a=o.parent;return"parallel"===a.type&&U(a).every((function(e){return H(t.configuration,e)}))&&i.push(Et(a.id)),i})));t.exitSet.sort((function(t,e){return e.order-t.order})),t.entrySet.sort((function(t,e){return t.order-e.order}));var w=new Set(t.entrySet),b=new Set(t.exitSet),_=i([g(Array.from(w).map((function(t){return o(o([],i(t.activities.map((function(t){return xt(t)})))),i(t.onEntry))}))).concat(S.map(pt)),g(Array.from(b).map((function(t){return o(o([],i(t.onExit)),i(t.activities.map((function(t){return wt(t)}))))})))],2),E=_[0],T=_[1];return lt(T.concat(t.actions).concat(E),this.machine.options.actions)},a.prototype.transition=function(t,e,n){void 0===t&&(t=this.initialState);var r,a,s=D(e);if(t instanceof Pt)r=void 0===n?t:this.resolveState(Pt.from(t,n));else{var c=N(t)?this.resolve(l(this.getResolvedPath(t))):this.resolve(t),u=n||this.machine.context;r=this.resolveState(Pt.from(c,u))}if(this.strict&&!this.events.includes(s.name)&&(a=s.name,!/^(done|error)\./.test(a)))throw new Error("Machine '"+this.id+"' does not accept event '"+s.name+"'");var h=this._transition(r.value,r,s)||{transitions:[],configuration:[],entrySet:[],exitSet:[],source:r,actions:[]},f=B([],this.getStateNodes(r.value)),d=h.configuration.length?B(f,h.configuration):f;return h.configuration=o([],i(d)),this.resolveTransition(h,r,s)},a.prototype.resolveRaisedTransition=function(t,e,n){var r,a=t.actions;return(t=this.transition(t,e))._event=n,t.event=n.data,(r=t.actions).unshift.apply(r,o([],i(a))),t},a.prototype.resolveTransition=function(n,o,a,c){var u,h,f=this;void 0===a&&(a=ut),void 0===c&&(c=this.machine.context);var l=n.configuration,d=!o||n.transitions.length>0?$(this.machine,l):void 0,p=o?o.historyValue?o.historyValue:n.source?this.machine.historyValue(o.value):void 0:void 0,v=o?o.context:c,y=this.getActions(n,v,a,o),m=o?e({},o.activities):{};try{for(var S=r(y),w=S.next();!w.done;w=S.next()){var E=w.value;E.type===G?m[E.activity.id||E.activity.type]=E:E.type===K&&(m[E.activity.id||E.activity.type]=!1)}}catch(t){u={error:t}}finally{try{w&&!w.done&&(h=S.return)&&h.call(S)}finally{if(u)throw u.error}}var T,O,A=i(At(this,o,v,a,y),2),P=A[0],k=A[1],I=i(b(P,(function(e){return e.type===Q||e.type===W&&e.to===t.SpecialTargets.Internal})),2),j=I[0],C=I[1],V=P.filter((function(t){var e;return t.type===G&&(null===(e=t.activity)||void 0===e?void 0:e.type)===rt})).reduce((function(t,e){return t[e.activity.id]=function(t,e,n,r){var i,o=z(t.src),a=null===(i=null==e?void 0:e.options.services)||void 0===i?void 0:i[o.type],s=t.data?x(t.data,n,r):void 0,c=a?Ct(a,t.id,s):jt(t.id);return c.meta=t,c}(e.activity,f.machine,k,a),t}),o?e({},o.children):{}),L=d?n.configuration:o?o.configuration:[],D=L.reduce((function(t,e){return void 0!==e.meta&&(t[e.id]=e.meta),t}),{}),M=H(L,this),R=new Pt({value:d||o.value,context:k,_event:a,_sessionid:o?o._sessionid:null,historyValue:d?p?(T=p,O=d,{current:O,states:_(T,O)}):void 0:o?o.historyValue:void 0,history:!d||n.source?o:void 0,actions:d?C:[],activities:d?m:o?o.activities:{},meta:d?D:o?o.meta:void 0,events:[],configuration:L,transitions:n.transitions,children:V,done:M,tags:null==o?void 0:o.tags}),F=v!==k;R.changed=a.name===at||F;var U=R.history;if(U&&delete U.history,!d)return R;var J=R;if(!M)for((this._transient||l.some((function(t){return t._transient})))&&(J=this.resolveRaisedTransition(J,{type:Z},a));j.length;){var B=j.shift();J=this.resolveRaisedTransition(J,B._event,a)}var q=J.changed||(U?!!J.actions.length||F||typeof U.value!=typeof J.value||!function t(e,n){if(e===n)return!0;if(void 0===e||void 0===n)return!1;if(N(e)||N(n))return e===n;var r=s(e),i=s(n);return r.length===i.length&&r.every((function(r){return t(e[r],n[r])}))}(J.value,U.value):void 0);return J.changed=q,J.history=U,J.tags=new Set(g(J.configuration.map((function(t){return t.tags})))),J},a.prototype.getStateNode=function(t){if(Mt(t))return this.machine.getStateNodeById(t);if(!this.states)throw new Error("Unable to retrieve child state '"+t+"' from '"+this.id+"'; no child states exist.");var e=this.states[t];if(!e)throw new Error("Child state '"+t+"' does not exist on '"+this.id+"'");return e},a.prototype.getStateNodeById=function(t){var e=Mt(t)?t.slice("#".length):t;if(e===this.id)return this;var n=this.machine.idMap[e];if(!n)throw new Error("Child state node '#"+e+"' does not exist on machine '"+this.id+"'");return n},a.prototype.getStateNodeByPath=function(t){if("string"==typeof t&&Mt(t))try{return this.getStateNodeById(t.slice(1))}catch(t){}for(var e=h(t,this.delimiter).slice(),n=this;e.length;){var r=e.shift();if(!r.length)break;n=n.getStateNode(r)}return n},a.prototype.resolve=function(t){var e,n=this;if(!t)return this.initialStateValue||Dt;switch(this.type){case"parallel":return d(this.initialStateValue,(function(e,r){return e?n.getStateNode(r).resolve(t[r]||e):Dt}));case"compound":if(N(t)){var r=this.getStateNode(t);return"parallel"===r.type||"compound"===r.type?((e={})[t]=r.initialStateValue,e):t}return s(t).length?d(t,(function(t,e){return t?n.getStateNode(e).resolve(t):Dt})):this.initialStateValue||{};default:return t||Dt}},a.prototype.getResolvedPath=function(t){if(Mt(t)){var e=this.machine.idMap[t.slice("#".length)];if(!e)throw new Error("Unable to find state node '"+t+"'");return e.path}return h(t,this.delimiter)},Object.defineProperty(a.prototype,"initialStateValue",{get:function(){var t,e;if(this.__cache.initialStateValue)return this.__cache.initialStateValue;if("parallel"===this.type)e=p(this.states,(function(t){return t.initialStateValue||Dt}),(function(t){return!("history"===t.type)}));else if(void 0!==this.initial){if(!this.states[this.initial])throw new Error("Initial state '"+this.initial+"' not found on '"+this.key+"'");e=F(this.states[this.initial])?this.initial:((t={})[this.initial]=this.states[this.initial].initialStateValue,t)}else e={};return this.__cache.initialStateValue=e,this.__cache.initialStateValue},enumerable:!1,configurable:!0}),a.prototype.getInitialState=function(t,e){var n=this.getStateNodes(t);return this.resolveTransition({configuration:n,entrySet:n,exitSet:[],transitions:[],source:void 0,actions:[]},void 0,void 0,e)},Object.defineProperty(a.prototype,"initialState",{get:function(){this._init();var t=this.initialStateValue;if(!t)throw new Error("Cannot retrieve initial state from simple state '"+this.id+"'.");return this.getInitialState(t)},enumerable:!1,configurable:!0}),Object.defineProperty(a.prototype,"target",{get:function(){var t;if("history"===this.type){var e=this.config;t=N(e.target)&&Mt(e.target)?l(this.machine.getStateNodeById(e.target).path.slice(this.path.length-1)):e.target}return t},enumerable:!1,configurable:!0}),a.prototype.getRelativeStateNodes=function(t,e,n){return void 0===n&&(n=!0),n?"history"===t.type?t.resolveHistory(e):t.initialStateNodes:[t]},Object.defineProperty(a.prototype,"initialStateNodes",{get:function(){var t=this;return F(this)?[this]:"compound"!==this.type||this.initial?g(y(this.initialStateValue).map((function(e){return t.getFromRelativePath(e)}))):[this]},enumerable:!1,configurable:!0}),a.prototype.getFromRelativePath=function(t){if(!t.length)return[this];var e=i(t),n=e[0],r=e.slice(1);if(!this.states)throw new Error("Cannot retrieve subPath '"+n+"' from node with no states");var o=this.getStateNode(n);if("history"===o.type)return o.resolveHistory();if(!this.states[n])throw new Error("Child state '"+n+"' does not exist on '"+this.id+"'");return this.states[n].getFromRelativePath(r)},a.prototype.historyValue=function(t){if(s(this.states).length)return{current:t||this.initialStateValue,states:p(this.states,(function(e,n){if(!t)return e.historyValue();var r=N(t)?void 0:t[n];return e.historyValue(r||e.initialStateValue)}),(function(t){return!t.history}))}},a.prototype.resolveHistory=function(t){var e=this;if("history"!==this.type)return[this];var n=this.parent;if(!t){var i=this.target;return i?g(y(i).map((function(t){return n.getFromRelativePath(t)}))):n.initialStateNodes}var o,a,s=(o=n.path,a="states",function(t){var e,n,i=t;try{for(var s=r(o),c=s.next();!c.done;c=s.next()){var u=c.value;i=i[a][u]}}catch(t){e={error:t}}finally{try{c&&!c.done&&(n=s.return)&&n.call(s)}finally{if(e)throw e.error}}return i})(t).current;return N(s)?[n.getStateNode(s)]:g(y(s).map((function(t){return"deep"===e.history?n.getFromRelativePath(t):[n.states[t[0]]]})))},Object.defineProperty(a.prototype,"stateIds",{get:function(){var t=this,e=g(s(this.states).map((function(e){return t.states[e].stateIds})));return[this.id].concat(e)},enumerable:!1,configurable:!0}),Object.defineProperty(a.prototype,"events",{get:function(){var t,e,n,i;if(this.__cache.events)return this.__cache.events;var o=this.states,a=new Set(this.ownEvents);if(o)try{for(var c=r(s(o)),u=c.next();!u.done;u=c.next()){var h=o[u.value];if(h.states)try{for(var f=(n=void 0,r(h.events)),l=f.next();!l.done;l=f.next()){var d=l.value;a.add(""+d)}}catch(t){n={error:t}}finally{try{l&&!l.done&&(i=f.return)&&i.call(f)}finally{if(n)throw n.error}}}}catch(e){t={error:e}}finally{try{u&&!u.done&&(e=c.return)&&e.call(c)}finally{if(t)throw t.error}}return this.__cache.events=Array.from(a)},enumerable:!1,configurable:!0}),Object.defineProperty(a.prototype,"ownEvents",{get:function(){var t=new Set(this.transitions.filter((function(t){return!(!t.target&&!t.actions.length&&t.internal)})).map((function(t){return t.eventType})));return Array.from(t)},enumerable:!1,configurable:!0}),a.prototype.resolveTarget=function(t){var e=this;if(void 0!==t)return t.map((function(t){if(!N(t))return t;var n=t[0]===e.delimiter;if(n&&!e.parent)return e.getStateNodeByPath(t.slice(1));var r=n?e.key+t:t;if(!e.parent)return e.getStateNodeByPath(r);try{return e.parent.getStateNodeByPath(r)}catch(t){throw new Error("Invalid transition definition for state node '"+e.id+"':\n"+t.message)}}))},a.prototype.formatTransition=function(t){var n=this,r=function(t){if(void 0!==t&&""!==t)return S(t)}(t.target),i="internal"in t?t.internal:!r||r.some((function(t){return N(t)&&t[0]===n.delimiter})),o=this.machine.options.guards,a=this.resolveTarget(r),s=e(e({},t),{actions:lt(S(t.actions)),cond:O(t.cond,o),target:a,source:this,internal:i,eventType:t.event,toJSON:function(){return e(e({},s),{target:s.target?s.target.map((function(t){return"#"+t.id})):void 0,source:"#"+n.id})}});return s},a.prototype.formatTransitions=function(){var t,e,a,c=this;if(this.config.on)if(Array.isArray(this.config.on))a=this.config.on;else{var u=this.config.on,h=u["*"],f=void 0===h?[]:h,l=n(u,["*"]);a=g(s(l).map((function(t){return M(t,l[t])})).concat(M("*",f)))}else a=[];var d=this.config.always?M("",this.config.always):[],p=this.config.onDone?M(String(Et(this.id)),this.config.onDone):[],v=g(this.invoke.map((function(t){var e=[];return t.onDone&&e.push.apply(e,o([],i(M(String(Tt(t.id)),t.onDone)))),t.onError&&e.push.apply(e,o([],i(M(String(Nt(t.id)),t.onError)))),e}))),y=this.after,m=g(o(o(o(o([],i(p)),i(v)),i(a)),i(d)).map((function(t){return S(t).map((function(t){return c.formatTransition(t)}))})));try{for(var x=r(y),w=x.next();!w.done;w=x.next()){var b=w.value;m.push(b)}}catch(e){t={error:e}}finally{try{w&&!w.done&&(e=x.return)&&e.call(x)}finally{if(t)throw t.error}}return m},a}();var zt={deferEvents:!1},Ft=function(){function t(t){this.processingEvent=!1,this.queue=[],this.initialized=!1,this.options=e(e({},zt),t)}return t.prototype.initialize=function(t){if(this.initialized=!0,t){if(!this.options.deferEvents)return void this.schedule(t);this.process(t)}this.flushEvents()},t.prototype.schedule=function(t){if(this.initialized&&!this.processingEvent){if(0!==this.queue.length)throw new Error("Event queue should be empty when it is not processing events");this.process(t),this.flushEvents()}else this.queue.push(t)},t.prototype.clear=function(){this.queue=[]},t.prototype.flushEvents=function(){for(var t=this.queue.shift();t;)this.process(t),t=this.queue.shift()},t.prototype.process=function(t){this.processingEvent=!0;try{t()}catch(t){throw this.clear(),t}finally{this.processingEvent=!1}},t}(),Ut=new Map,Jt=0,Bt=function(){return"x:"+Jt++},qt=function(t,e){return Ut.set(t,e),t},$t=function(t){return Ut.get(t)},Xt=function(t){Ut.delete(t)};function Ht(){return"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:void 0}function Gt(t){if(Ht()){var e=function(){var t=Ht();if(t&&"__xstate__"in t)return t.__xstate__}();e&&e.register(t)}}var Kt,Qt={sync:!1,autoForward:!1};(Kt=t.InterpreterStatus||(t.InterpreterStatus={}))[Kt.NotStarted=0]="NotStarted",Kt[Kt.Running=1]="Running",Kt[Kt.Stopped=2]="Stopped";var Wt=function(){function n(r,i){var o=this;void 0===i&&(i=n.defaultOptions),this.machine=r,this.scheduler=new Ft,this.delayedEventsMap={},this.listeners=new Set,this.contextListeners=new Set,this.stopListeners=new Set,this.doneListeners=new Set,this.eventListeners=new Set,this.sendListeners=new Set,this.initialized=!1,this.status=t.InterpreterStatus.NotStarted,this.children=new Map,this.forwardTo=new Set,this.init=this.start,this.send=function(e,n){if(E(e))return o.batch(e),o.state;var r=D(L(e,n));if(o.status===t.InterpreterStatus.Stopped)return o.state;if(o.status!==t.InterpreterStatus.Running&&!o.options.deferEvents)throw new Error('Event "'+r.name+'" was sent to uninitialized service "'+o.machine.id+'". Make sure .start() is called for this service, or set { deferEvents: true } in the service options.\nEvent: '+JSON.stringify(r.data));return o.scheduler.schedule((function(){o.forward(r);var t=o.nextState(r);o.update(t,r)})),o._state},this.sendTo=function(n,r){var i,a=o.parent&&(r===t.SpecialTargets.Parent||o.parent.id===r),s=a?o.parent:N(r)?o.children.get(r)||$t(r):(i=r)&&"function"==typeof i.send?r:void 0;if(s)"machine"in s?s.send(e(e({},n),{name:n.name===ot?""+Nt(o.id):n.name,origin:o.sessionId})):s.send(n.data);else if(!a)throw new Error("Unable to send event to child '"+r+"' from service '"+o.id+"'.")};var a=e(e({},n.defaultOptions),i),s=a.clock,c=a.logger,u=a.parent,h=a.id,f=void 0!==h?h:r.id;this.id=f,this.logger=c,this.clock=s,this.parent=u,this.options=a,this.scheduler=new Ft({deferEvents:this.options.deferEvents}),this.sessionId=Bt()}return Object.defineProperty(n.prototype,"initialState",{get:function(){var t=this;return this._initialState?this._initialState:It(this,(function(){return t._initialState=t.machine.initialState,t._initialState}))},enumerable:!1,configurable:!0}),Object.defineProperty(n.prototype,"state",{get:function(){return this._state},enumerable:!1,configurable:!0}),n.prototype.execute=function(t,e){var n,i;try{for(var o=r(t.actions),a=o.next();!a.done;a=o.next()){var s=a.value;this.exec(s,t,e)}}catch(t){n={error:t}}finally{try{a&&!a.done&&(i=o.return)&&i.call(o)}finally{if(n)throw n.error}}},n.prototype.update=function(t,e){var n,i,o,a,s,c,u,h,f=this;if(t._sessionid=this.sessionId,this._state=t,this.options.execute&&this.execute(this.state),this.children.forEach((function(t){f.state.children[t.id]=t})),this.devTools&&this.devTools.send(e.data,t),t.event)try{for(var l=r(this.eventListeners),d=l.next();!d.done;d=l.next()){(0,d.value)(t.event)}}catch(t){n={error:t}}finally{try{d&&!d.done&&(i=l.return)&&i.call(l)}finally{if(n)throw n.error}}try{for(var p=r(this.listeners),v=p.next();!v.done;v=p.next()){(0,v.value)(t,t.event)}}catch(t){o={error:t}}finally{try{v&&!v.done&&(a=p.return)&&a.call(p)}finally{if(o)throw o.error}}try{for(var y=r(this.contextListeners),g=y.next();!g.done;g=y.next()){(0,g.value)(this.state.context,this.state.history?this.state.history.context:void 0)}}catch(t){s={error:t}}finally{try{g&&!g.done&&(c=y.return)&&c.call(y)}finally{if(s)throw s.error}}var m=H(t.configuration||[],this.machine);if(this.state.configuration&&m){var S=t.configuration.find((function(t){return"final"===t.type&&t.parent===f.machine})),w=S&&S.doneData?x(S.doneData,t.context,e):void 0;try{for(var b=r(this.doneListeners),_=b.next();!_.done;_=b.next()){(0,_.value)(Tt(this.id,w))}}catch(t){u={error:t}}finally{try{_&&!_.done&&(h=b.return)&&h.call(b)}finally{if(u)throw u.error}}this.stop()}},n.prototype.onTransition=function(e){return this.listeners.add(e),this.status===t.InterpreterStatus.Running&&e(this.state,this.state.event),this},n.prototype.subscribe=function(e,n,r){var i,o=this;if(!e)return{unsubscribe:function(){}};var a=r;return"function"==typeof e?i=e:(i=e.next.bind(e),a=e.complete.bind(e)),this.listeners.add(i),this.status===t.InterpreterStatus.Running&&i(this.state),a&&this.onDone(a),{unsubscribe:function(){i&&o.listeners.delete(i),a&&o.doneListeners.delete(a)}}},n.prototype.onEvent=function(t){return this.eventListeners.add(t),this},n.prototype.onSend=function(t){return this.sendListeners.add(t),this},n.prototype.onChange=function(t){return this.contextListeners.add(t),this},n.prototype.onStop=function(t){return this.stopListeners.add(t),this},n.prototype.onDone=function(t){return this.doneListeners.add(t),this},n.prototype.off=function(t){return this.listeners.delete(t),this.eventListeners.delete(t),this.sendListeners.delete(t),this.stopListeners.delete(t),this.doneListeners.delete(t),this.contextListeners.delete(t),this},n.prototype.start=function(e){var n=this;if(this.status===t.InterpreterStatus.Running)return this;qt(this.sessionId,this),this.initialized=!0,this.status=t.InterpreterStatus.Running;var r=void 0===e?this.initialState:It(this,(function(){return!N(t=e)&&"value"in t&&"history"in t?n.machine.resolveState(e):n.machine.resolveState(Pt.from(e,n.machine.context));var t}));return this.options.devTools&&this.attachDev(),this.scheduler.initialize((function(){n.update(r,ut)})),this},n.prototype.stop=function(){var e,n,i,o,a,c,u,h,f,l,d=this;try{for(var p=r(this.listeners),v=p.next();!v.done;v=p.next()){var y=v.value;this.listeners.delete(y)}}catch(t){e={error:t}}finally{try{v&&!v.done&&(n=p.return)&&n.call(p)}finally{if(e)throw e.error}}try{for(var g=r(this.stopListeners),m=g.next();!m.done;m=g.next()){(y=m.value)(),this.stopListeners.delete(y)}}catch(t){i={error:t}}finally{try{m&&!m.done&&(o=g.return)&&o.call(g)}finally{if(i)throw i.error}}try{for(var S=r(this.contextListeners),x=S.next();!x.done;x=S.next()){y=x.value;this.contextListeners.delete(y)}}catch(t){a={error:t}}finally{try{x&&!x.done&&(c=S.return)&&c.call(S)}finally{if(a)throw a.error}}try{for(var w=r(this.doneListeners),b=w.next();!b.done;b=w.next()){y=b.value;this.doneListeners.delete(y)}}catch(t){u={error:t}}finally{try{b&&!b.done&&(h=w.return)&&h.call(w)}finally{if(u)throw u.error}}if(!this.initialized)return this;this.state.configuration.forEach((function(t){var e,n;try{for(var i=r(t.definition.exit),o=i.next();!o.done;o=i.next()){var a=o.value;d.exec(a,d.state)}}catch(t){e={error:t}}finally{try{o&&!o.done&&(n=i.return)&&n.call(i)}finally{if(e)throw e.error}}})),this.children.forEach((function(t){T(t.stop)&&t.stop()}));try{for(var _=r(s(this.delayedEventsMap)),E=_.next();!E.done;E=_.next()){var N=E.value;this.clock.clearTimeout(this.delayedEventsMap[N])}}catch(t){f={error:t}}finally{try{E&&!E.done&&(l=_.return)&&l.call(_)}finally{if(f)throw f.error}}return this.scheduler.clear(),this.initialized=!1,this.status=t.InterpreterStatus.Stopped,Xt(this.sessionId),this},n.prototype.batch=function(n){var a=this;if(this.status===t.InterpreterStatus.NotStarted&&this.options.deferEvents);else if(this.status!==t.InterpreterStatus.Running)throw new Error(n.length+' event(s) were sent to uninitialized service "'+this.machine.id+'". Make sure .start() is called for this service, or set { deferEvents: true } in the service options.');this.scheduler.schedule((function(){var t,s,c=a.state,u=!1,h=[],f=function(t){var n=D(t);a.forward(n),c=It(a,(function(){return a.machine.transition(c,n)})),h.push.apply(h,o([],i(c.actions.map((function(t){return r=c,i=(n=t).exec,e(e({},n),{exec:void 0!==i?function(){return i(r.context,r.event,{action:n,state:r,_event:r._event})}:void 0});var n,r,i}))))),u=u||!!c.changed};try{for(var l=r(n),d=l.next();!d.done;d=l.next()){f(d.value)}}catch(e){t={error:e}}finally{try{d&&!d.done&&(s=l.return)&&s.call(l)}finally{if(t)throw t.error}}c.changed=u,c.actions=h,a.update(c,D(n[n.length-1]))}))},n.prototype.sender=function(t){return this.send.bind(this,t)},n.prototype.nextState=function(t){var e=this,n=D(t);if(0===n.name.indexOf(it)&&!this.state.nextEvents.some((function(t){return 0===t.indexOf(it)})))throw n.data.data;return It(this,(function(){return e.machine.transition(e.state,n)}))},n.prototype.forward=function(t){var e,n;try{for(var i=r(this.forwardTo),o=i.next();!o.done;o=i.next()){var a=o.value,s=this.children.get(a);if(!s)throw new Error("Unable to forward event '"+t+"' from interpreter '"+this.id+"' to nonexistant child '"+a+"'.");s.send(t)}}catch(t){e={error:t}}finally{try{o&&!o.done&&(n=i.return)&&n.call(i)}finally{if(e)throw e.error}}},n.prototype.defer=function(t){var e=this;this.delayedEventsMap[t.id]=this.clock.setTimeout((function(){t.to?e.sendTo(t._event,t.to):e.send(t._event)}),t.delay)},n.prototype.cancel=function(t){this.clock.clearTimeout(this.delayedEventsMap[t]),delete this.delayedEventsMap[t]},n.prototype.exec=function(e,n,r){void 0===r&&(r=this.machine.options.actions);var i=n.context,o=n._event,a=e.exec||ht(e.type,r),s=T(a)?a:a?a.exec:e.exec;if(s)try{return s(i,o.data,{action:e,state:this.state,_event:o})}catch(t){throw this.parent&&this.parent.send({type:"xstate.error",data:t}),t}switch(e.type){case W:var c=e;if("number"==typeof c.delay)return void this.defer(c);c.to?this.sendTo(c._event,c.to):this.send(c._event);break;case Y:this.cancel(e.sendId);break;case G:var u=e.activity;if(!this.state.activities[u.id||u.type])break;if(u.type===t.ActionTypes.Invoke){var h=z(u.src),f=this.machine.options.services?this.machine.options.services[h.type]:void 0,l=u.id,d=u.data,p="autoForward"in u?u.autoForward:!!u.forward;if(!f)return;var v=d?x(d,i,o):void 0,y=T(f)?f(i,o.data,{data:v,src:h}):f;w(y)?this.spawnPromise(Promise.resolve(y),l):T(y)?this.spawnCallback(y,l):A(y)?this.spawnObservable(y,l):k(y)&&this.spawnMachine(v?y.withContext(v):y,{id:l,autoForward:p})}else this.spawnActivity(u);break;case K:this.stopChild(e.activity.id);break;case et:var g=e.label,m=e.value;g?this.logger(g,m):this.logger(m)}},n.prototype.removeChild=function(t){this.children.delete(t),this.forwardTo.delete(t),delete this.state.children[t]},n.prototype.stopChild=function(t){var e=this.children.get(t);e&&(this.removeChild(t),T(e.stop)&&e.stop())},n.prototype.spawn=function(t,n,r){if(w(t))return this.spawnPromise(Promise.resolve(t),n);if(T(t))return this.spawnCallback(t,n);if(function(t){try{return"function"==typeof t.send}catch(t){return!1}}(i=t)&&"id"in i)return this.spawnActor(t);if(A(t))return this.spawnObservable(t,n);if(k(t))return this.spawnMachine(t,e(e({},r),{id:n}));throw new Error('Unable to spawn entity "'+n+'" of type "'+typeof t+'".');var i},n.prototype.spawnMachine=function(t,r){var i=this;void 0===r&&(r={});var o=new n(t,e(e({},this.options),{parent:this,id:r.id||t.id})),a=e(e({},Qt),r);a.sync&&o.onTransition((function(t){i.send(at,{state:t,id:o.id})}));var s=o;return this.children.set(o.id,s),a.autoForward&&this.forwardTo.add(o.id),o.onDone((function(t){i.removeChild(o.id),i.send(D(t,{origin:o.id}))})).start(),s},n.prototype.spawnPromise=function(t,e){var n=this,r=!1,i=void 0;t.then((function(t){r||(i=t,n.removeChild(e),n.send(D(Tt(e,t),{origin:e})))}),(function(t){if(!r){n.removeChild(e);var i=Nt(e,t);try{n.send(D(i,{origin:e}))}catch(t){n.devTools&&n.devTools.send(i,n.state),n.machine.strict&&n.stop()}}}));var o={id:e,send:function(){},subscribe:function(e,n,r){var i=function(t,e,n){if("object"==typeof t)return t;var r=function(){};return{next:t,error:e||r,complete:n||r}}(e,n,r),o=!1;return t.then((function(t){o||(i.next(t),o||i.complete())}),(function(t){o||i.error(t)})),{unsubscribe:function(){return o=!0}}},stop:function(){r=!0},toJSON:function(){return{id:e}},getSnapshot:function(){return i}};return this.children.set(e,o),o},n.prototype.spawnCallback=function(t,e){var n,r=this,i=!1,o=new Set,a=new Set,s=void 0;try{n=t((function(t){s=t,a.forEach((function(e){return e(t)})),i||r.send(D(t,{origin:e}))}),(function(t){o.add(t)}))}catch(t){this.send(Nt(e,t))}if(w(n))return this.spawnPromise(n,e);var c={id:e,send:function(t){return o.forEach((function(e){return e(t)}))},subscribe:function(t){return a.add(t),{unsubscribe:function(){a.delete(t)}}},stop:function(){i=!0,T(n)&&n()},toJSON:function(){return{id:e}},getSnapshot:function(){return s}};return this.children.set(e,c),c},n.prototype.spawnObservable=function(t,e){var n=this,r=void 0,i=t.subscribe((function(t){r=t,n.send(D(t,{origin:e}))}),(function(t){n.removeChild(e),n.send(D(Nt(e,t),{origin:e}))}),(function(){n.removeChild(e),n.send(D(Tt(e),{origin:e}))})),o={id:e,send:function(){},subscribe:function(e,n,r){return t.subscribe(e,n,r)},stop:function(){return i.unsubscribe()},getSnapshot:function(){return r},toJSON:function(){return{id:e}}};return this.children.set(e,o),o},n.prototype.spawnActor=function(t){return this.children.set(t.id,t),t},n.prototype.spawnActivity=function(t){var e=this.machine.options&&this.machine.options.activities?this.machine.options.activities[t.type]:void 0;if(e){var n=e(this.state.context,t);this.spawnEffect(t.id,n)}},n.prototype.spawnEffect=function(t,e){this.children.set(t,{id:t,send:function(){},subscribe:function(){return{unsubscribe:function(){}}},stop:e||void 0,getSnapshot:function(){},toJSON:function(){return{id:t}}})},n.prototype.attachDev=function(){var t=Ht();if(this.options.devTools&&t){if(t.__REDUX_DEVTOOLS_EXTENSION__){var n="object"==typeof this.options.devTools?this.options.devTools:void 0;this.devTools=t.__REDUX_DEVTOOLS_EXTENSION__.connect(e(e({name:this.id,autoPause:!0,stateSanitizer:function(t){return{value:t.value,context:t.context,actions:t.actions}}},n),{features:e({jump:!1,skip:!1},n?n.features:void 0)}),this.machine),this.devTools.init(this.state)}Gt(this)}},n.prototype.toJSON=function(){return{id:this.id}},n.prototype[P]=function(){return this},n.prototype.getSnapshot=function(){return this._state},n.defaultOptions=function(t){return{execute:!0,deferEvents:!0,clock:{setTimeout:function(t,e){return setTimeout(t,e)},clearTimeout:function(t){return clearTimeout(t)}},logger:t.console.log.bind(console),devTools:!1}}("undefined"!=typeof self?self:global),n.interpret=Yt,n}();function Yt(t,e){return new Wt(t,e)}var Zt={raise:pt,send:vt,sendParent:yt,sendUpdate:gt,log:function(t,e){return void 0===t&&(t=mt),{type:et,label:e,expr:t}},cancel:St,start:xt,stop:wt,assign:bt,after:_t,done:Et,respond:function(t,n){return vt(t,e(e({},n),{to:function(t,e,n){return n._event.origin}}))},forwardTo:Ot,escalate:function(n,r){return yt((function(t,e,r){return{type:ot,data:T(n)?n(t,e,r):n}}),e(e({},r),{to:t.SpecialTargets.Parent}))},choose:function(e){return{type:t.ActionTypes.Choose,conds:e}},pure:function(e){return{type:t.ActionTypes.Pure,get:e}}};t.Interpreter=Wt,t.Machine=function(t,e,n){void 0===n&&(n=t.context);var r="function"==typeof n?n():n;return new Rt(t,e,r)},t.State=Pt,t.StateNode=Rt,t.actions=Zt,t.assign=bt,t.createMachine=function(t,e){var n="function"==typeof t.context?t.context():t.context;return new Rt(t,e,n)},t.createSchema=function(t){return t},t.doneInvoke=Tt,t.forwardTo=Ot,t.interpret=Yt,t.mapState=function(t,e){var n,i,o;try{for(var a=r(s(t)),u=a.next();!u.done;u=a.next()){var h=u.value;c(h,e)&&(!o||e.length>o.length)&&(o=h)}}catch(t){n={error:t}}finally{try{u&&!u.done&&(i=a.return)&&i.call(a)}finally{if(n)throw n.error}}return t[o]},t.matchState=function(t,e,n){var o,a,s=Pt.from(t,t instanceof Pt?t.context:void 0);try{for(var c=r(e),u=c.next();!u.done;u=c.next()){var h=i(u.value,2),f=h[0],l=h[1];if(s.matches(f))return l(s)}}catch(t){o={error:t}}finally{try{u&&!u.done&&(a=c.return)&&a.call(c)}finally{if(o)throw o.error}}return n(s)},t.matchesState=c,t.send=vt,t.sendParent=yt,t.sendUpdate=gt,t.spawn=function(t,n){var r=function(t){return N(t)?e(e({},Qt),{name:t}):e(e(e({},Qt),{name:V()}),t)}(n);return function(e){return e?e.spawn(t,r.name,r):Ct(t,r.name)}(kt[kt.length-1])},Object.defineProperty(t,"__esModule",{value:!0})}));
  