| 1 | var t,e;!function(t){t.Start="xstate.start",t.Stop="xstate.stop",t.Raise="xstate.raise",t.Send="xstate.send",t.Cancel="xstate.cancel",t.NullEvent="",t.Assign="xstate.assign",t.After="xstate.after",t.DoneState="done.state",t.DoneInvoke="done.invoke",t.Log="xstate.log",t.Init="xstate.init",t.Invoke="xstate.invoke",t.ErrorExecution="error.execution",t.ErrorCommunication="error.communication",t.ErrorPlatform="error.platform",t.ErrorCustom="xstate.error",t.Update="xstate.update",t.Pure="xstate.pure",t.Choose="xstate.choose"}(t||(t={})),function(t){t.Parent="#_parent",t.Internal="#_internal"}(e||(e={}));const i=t.Start,n=t.Stop,s=t.Raise,o=t.Send,r=t.Cancel,a=t.NullEvent,c=t.Assign,h=t.After,u=t.DoneState,d=t.Log,l=t.Init,f=t.Invoke,p=t.ErrorExecution,g=t.ErrorPlatform,v=t.ErrorCustom,y=t.Update,m=t.Choose,b=t.Pure;var 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| 15 | function jt(t,e){var i={};for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&e.indexOf(n)<0&&(i[n]=t[n]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var s=0;for(n=Object.getOwnPropertySymbols(t);s<n.length;s++)e.indexOf(n[s])<0&&Object.prototype.propertyIsEnumerable.call(t,n[s])&&(i[n[s]]=t[n[s]])}return i}const Et=t=>"atomic"===t.type||"final"===t.type;function kt(t){return Object.keys(t.states).map(e=>t.states[e])}function Nt(t){return kt(t).filter(t=>"history"!==t.type)}function Tt(t){const e=[t];return Et(t)?e:e.concat($(Nt(t).map(Tt)))}function At(t,e){const i=$t(new Set(t)),n=new Set(e);for(const t of n){let e=t.parent;for(;e&&!n.has(e);)n.add(e),e=e.parent}const s=$t(n);for(const t of n)if("compound"!==t.type||s.get(t)&&s.get(t).length){if("parallel"===t.type)for(const e of Nt(t))n.has(e)||(n.add(e),i.get(e)?i.get(e).forEach(t=>n.add(t)):e.initialStateNodes.forEach(t=>n.add(t)))}else i.get(t)?i.get(t).forEach(t=>n.add(t)):t.initialStateNodes.forEach(t=>n.add(t));for(const t of n){let e=t.parent;for(;e&&!n.has(e);)n.add(e),e=e.parent}return n}function $t(t){const e=new Map;for(const i of t)e.has(i)||e.set(i,[]),i.parent&&(e.has(i.parent)||e.set(i.parent,[]),e.get(i.parent).push(i));return e}function It(t,e){return function t(e,i){const n=i.get(e);if(!n)return{};if("compound"===e.type){const t=n[0];if(!t)return{};if(Et(t))return t.key}const s={};return n.forEach(e=>{s[e.key]=t(e,i)}),s}(t,$t(At([t],e)))}function Pt(t,e){return Array.isArray(t)?t.some(t=>t===e):t instanceof Set&&t.has(e)}function Ct(t,e){return"compound"===e.type?Nt(e).some(e=>"final"===e.type&&Pt(t,e)):"parallel"===e.type&&Nt(e).every(e=>Ct(t,e))}function Vt(t){return new Set($(t.map(t=>t.tags)))}function Lt(t,e){const{exec:i}=t;return Object.assign(Object.assign({},t),{exec:void 0!==i?()=>i(e.context,e.event,{action:t,state:e,_event:e._event}):void 0})}class Dt{constructor(t){var e;this.actions=[],this.activities=O,this.meta={},this.events=[],this.value=t.value,this.context=t.context,this._event=t._event,this._sessionid=t._sessionid,this.event=this._event.data,this.historyValue=t.historyValue,this.history=t.history,this.actions=t.actions||[],this.activities=t.activities||O,this.meta=function(t=[]){return t.reduce((t,e)=>(void 0!==e.meta&&(t[e.id]=e.meta),t),{})}(t.configuration),this.events=t.events||[],this.matches=this.matches.bind(this),this.toStrings=this.toStrings.bind(this),this.configuration=t.configuration,this.transitions=t.transitions,this.children=t.children,this.done=!!t.done,this.tags=null!==(e=Array.isArray(t.tags)?new Set(t.tags):t.tags)&&void 0!==e?e:new Set,this.machine=t.machine,Object.defineProperty(this,"nextEvents",{get:()=>{return t=this.configuration,[...new Set($([...t.map(t=>t.ownEvents)]))];var t}})}static from(t,e){if(t instanceof Dt)return t.context!==e?new Dt({value:t.value,context:e,_event:t._event,_sessionid:null,historyValue:t.historyValue,history:t.history,actions:[],activities:t.activities,meta:{},events:[],configuration:[],transitions:[],children:{}}):t;return new Dt({value:t,context:e,_event:Y,_sessionid:null,historyValue:void 0,history:void 0,actions:[],activities:void 0,meta:void 0,events:[],configuration:[],transitions:[],children:{}})}static create(t){return new Dt(t)}static inert(t,e){if(t instanceof Dt){if(!t.actions.length)return t;const i=Y;return new Dt({value:t.value,context:e,_event:i,_sessionid:null,historyValue:t.historyValue,history:t.history,activities:t.activities,configuration:t.configuration,transitions:[],children:{}})}return Dt.from(t,e)}toStrings(t=this.value,e="."){if(z(t))return[t];const i=Object.keys(t);return i.concat(...i.map(i=>this.toStrings(t[i],e).map(t=>i+e+t)))}toJSON(){const{configuration:t,transitions:e,tags:i,machine:n}=this,s=jt(this,["configuration","transitions","tags","machine"]);return 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i=t.start?t.start(a):i,r}const Qt={sync:!1,autoForward:!1};var Xt;!function(t){t[t.NotStarted=0]="NotStarted",t[t.Running=1]="Running",t[t.Stopped=2]="Stopped"}(Xt||(Xt={}));class Ht{constructor(s,a=Ht.defaultOptions){this.machine=s,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=Xt.NotStarted,this.children=new Map,this.forwardTo=new Set,this._outgoingQueue=[],this.init=this.start,this.send=(t,e)=>{if(R(t))return this.batch(t),this.state;const i=Q(q(t,e));if(this.status===Xt.Stopped)return this.state;if(this.status!==Xt.Running&&!this.options.deferEvents)throw new Error(`Event "${i.name}" was sent to uninitialized service "${this.machine.id}". 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h=e.exec||Z(e.type,c),u=M(h)?h:h?h.exec:e.exec;if(u)try{return u(s,a.data,this.machine.config.predictableActionArguments?{action:e,_event:a}:{action:e,state:this.state,_event:a})}catch(t){throw this.parent&&this.parent.send({type:"xstate.error",data:t}),t}switch(e.type){case o:const c=e;if("number"==typeof c.delay)return void this.defer(c);c.to?this.sendTo(c._event,c.to,a===Y):this.send(c._event);break;case r:this.cancel(e.sendId);break;case i:{if(this.status!==Xt.Running)return;const i=e.activity;if(!this.machine.config.predictableActionArguments&&!this.state.activities[i.id||i.type])break;if(i.type===t.Invoke){const t=G(i.src),e=this.machine.options.services?this.machine.options.services[t.type]:void 0,{id:n,data:o}=i,r="autoForward"in i?i.autoForward:!!i.forward;if(!e)return;const c=o?C(o,s,a):void 0;if("string"==typeof e)return;let h,u=M(e)?e(s,a.data,{data:c,src:t,meta:i.meta}):e;if(!u)return;F(u)&&(u=c?u.withContext(c):u,h={autoForward:r}),this.spawn(u,n,h)}else this.spawnActivity(i);break}case n:this.stopChild(e.activity.id);break;case d:const{label:h,value:u}=e;h?this.logger(h,u):this.logger(u)}};const c=Object.assign(Object.assign({},Ht.defaultOptions),a),{clock:h,logger:u,parent:l,id:f}=c,p=void 0!==f?f:s.id;this.id=p,this.logger=u,this.clock=h,this.parent=l,this.options=c,this.scheduler=new Mt({deferEvents:this.options.deferEvents}),this.sessionId=Bt.bookId()}get initialState(){return this._initialState?this._initialState:Ot(this,()=>(this._initialState=this.machine.initialState,this._initialState))}get state(){return this._state}execute(t,e){for(const i of t.actions)this.exec(i,t,e)}update(t,e){if(t._sessionid=this.sessionId,this._state=t,this.machine.config.predictableActionArguments&&e!==Y||!this.options.execute){let t;for(;t=this._outgoingQueue.shift();)t[0].send(t[1])}else this.execute(this.state);if(this.children.forEach(t=>{this.state.children[t.id]=t}),this.devTools&&this.devTools.send(e.data,t),t.event)for(const e of this.eventListeners)e(t.event);for(const e of this.listeners)e(t,t.event);for(const t of this.contextListeners)t(this.state.context,this.state.history?this.state.history.context:void 0);if(this.state.done){const i=t.configuration.find(t=>"final"===t.type&&t.parent===this.machine),n=i&&i.doneData?C(i.doneData,t.context,e):void 0;for(const t of this.doneListeners)t(vt(this.id,n));this._stop(),this._stopChildren()}}onTransition(t){return this.listeners.add(t),this.status===Xt.Running&&t(this.state,this.state.event),this}subscribe(t,e,i){const n=K(t,e,i);this.listeners.add(n.next),this.status!==Xt.NotStarted&&n.next(this.state);const s=()=>{this.doneListeners.delete(s),this.stopListeners.delete(s),n.complete()};return this.status===Xt.Stopped?n.complete():(this.onDone(s),this.onStop(s)),{unsubscribe:()=>{this.listeners.delete(n.next),this.doneListeners.delete(s),this.stopListeners.delete(s)}}}onEvent(t){return this.eventListeners.add(t),this}onSend(t){return this.sendListeners.add(t),this}onChange(t){return this.contextListeners.add(t),this}onStop(t){return this.stopListeners.add(t),this}onDone(t){return this.doneListeners.add(t),this}off(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}start(t){if(this.status===Xt.Running)return this;this.machine._init(),Bt.register(this.sessionId,this),this.initialized=!0,this.status=Xt.Running;const e=void 0===t?this.initialState:Ot(this,()=>{return"object"==typeof(e=t)&&null!==e&&"value"in e&&"_event"in e?this.machine.resolveState(t):this.machine.resolveState(Dt.from(t,this.machine.context));var e});return this.options.devTools&&this.attachDev(),this.scheduler.initialize(()=>{this.update(e,Y)}),this}_stopChildren(){this.children.forEach(t=>{M(t.stop)&&t.stop()}),this.children.clear()}_stop(){for(const t of this.listeners)this.listeners.delete(t);for(const t of this.stopListeners)t(),this.stopListeners.delete(t);for(const t of this.contextListeners)this.contextListeners.delete(t);for(const t of this.doneListeners)this.doneListeners.delete(t);if(!this.initialized)return this;this.initialized=!1,this.status=Xt.Stopped,this._initialState=void 0;for(const t of Object.keys(this.delayedEventsMap))this.clock.clearTimeout(this.delayedEventsMap[t]);this.scheduler.clear(),this.scheduler=new Mt({deferEvents:this.options.deferEvents})}stop(){const t=this.scheduler;return this._stop(),t.schedule(()=>{const t=Q({type:"xstate.stop"}),i=Ot(this,()=>{const i=$([...this.state.configuration].sort((t,e)=>e.order-t.order).map(t=>et(t.onExit,this.machine.options.actions))),[n,r]=mt(this.machine,this.state,this.state.context,t,[i],this.machine.config.predictableActionArguments?this._exec:void 0,this.machine.config.predictableActionArguments||this.machine.config.preserveActionOrder),a=new Dt({value:this.state.value,context:r,_event:t,_sessionid:this.sessionId,historyValue:void 0,history:this.state,actions:n.filter(t=>t.type!==s&&(t.type!==o||!!t.to&&t.to!==e.Internal)),activities:{},events:[],configuration:[],transitions:[],children:{},done:this.state.done,tags:this.state.tags,machine:this.machine});return a.changed=!0,a});this.update(i,t),this._stopChildren(),Bt.free(this.sessionId)}),this}batch(t){if(this.status===Xt.NotStarted&&this.options.deferEvents);else if(this.status!==Xt.Running)throw new Error(`${t.length} event(s) were sent to uninitialized service "${this.machine.id}". Make sure .start() is called for this service, or set { deferEvents: true } in the service options.`);if(!t.length)return;const e=!!this.machine.config.predictableActionArguments&&this._exec;this.scheduler.schedule(()=>{let i=this.state,n=!1;const s=[];for(const o of t){const t=Q(o);this.forward(t),i=Ot(this,()=>this.machine.transition(i,t,void 0,e||void 0)),s.push(...this.machine.config.predictableActionArguments?i.actions:i.actions.map(t=>Lt(t,i))),n=n||!!i.changed}i.changed=n,i.actions=s,this.update(i,Q(t[t.length-1]))})}sender(t){return this.send.bind(this,t)}_nextState(t,e=!!this.machine.config.predictableActionArguments&&this._exec){const i=Q(t);if(0===i.name.indexOf(g)&&!this.state.nextEvents.some(t=>0===t.indexOf(g)))throw i.data.data;return Ot(this,()=>this.machine.transition(this.state,i,void 0,e||void 0))}nextState(t){return this._nextState(t,!1)}forward(t){for(const e of this.forwardTo){const i=this.children.get(e);if(!i)throw new Error(`Unable to forward event '${t}' from interpreter '${this.id}' to nonexistant child '${e}'.`);i.send(t)}}defer(t){this.delayedEventsMap[t.id]=this.clock.setTimeout(()=>{t.to?this.sendTo(t._event,t.to,!0):this.send(t._event)},t.delay)}cancel(t){this.clock.clearTimeout(this.delayedEventsMap[t]),delete this.delayedEventsMap[t]}exec(t,e,i=this.machine.options.actions){this._exec(t,e.context,e._event,i)}removeChild(t){var e;this.children.delete(t),this.forwardTo.delete(t),null===(e=this.state)||void 0===e||delete e.children[t]}stopChild(t){const e=this.children.get(t);e&&(this.removeChild(t),M(e.stop)&&e.stop())}spawn(t,e,i){if(this.status!==Xt.Running)return _t(t,e);if(V(t))return this.spawnPromise(Promise.resolve(t),e);if(M(t))return this.spawnCallback(t,e);if(function(t){try{return"function"==typeof t.send}catch(t){return!1}}(s=t)&&"id"in s)return this.spawnActor(t,e);if(function(t){try{return"subscribe"in t&&M(t.subscribe)}catch(t){return!1}}(t))return this.spawnObservable(t,e);if(F(t))return this.spawnMachine(t,Object.assign(Object.assign({},i),{id:e}));if(null!==(n=t)&&"object"==typeof n&&"transition"in n&&"function"==typeof n.transition)return this.spawnBehavior(t,e);throw new Error(`Unable to spawn entity "${e}" of type "${typeof t}".`);var n,s}spawnMachine(t,e={}){const i=new Ht(t,Object.assign(Object.assign({},this.options),{parent:this,id:e.id||t.id})),n=Object.assign(Object.assign({},Qt),e);n.sync&&i.onTransition(t=>{this.send(y,{state:t,id:i.id})});const s=i;return this.children.set(i.id,s),n.autoForward&&this.forwardTo.add(i.id),i.onDone(t=>{this.removeChild(i.id),this.send(Q(t,{origin:i.id}))}).start(),s}spawnBehavior(t,e){const i=qt(t,{id:e,parent:this});return this.children.set(e,i),i}spawnPromise(t,e){let i,n=!1;t.then(t=>{n||(i=t,this.removeChild(e),this.send(Q(vt(e,t),{origin:e})))},t=>{if(!n){this.removeChild(e);const i=yt(e,t);try{this.send(Q(i,{origin:e}))}catch(t){this.devTools&&this.devTools.send(i,this.state),this.machine.strict&&this.stop()}}});const s={id:e,send:()=>{},subscribe:(e,i,n)=>{const s=K(e,i,n);let o=!1;return t.then(t=>{o||(s.next(t),o||s.complete())},t=>{o||s.error(t)}),{unsubscribe:()=>o=!0}},stop:()=>{n=!0},toJSON:()=>({id:e}),getSnapshot:()=>i,[B]:function(){return this}};return this.children.set(e,s),s}spawnCallback(t,e){let i=!1;const n=new Set,s=new Set;let o;const r=t=>{o=t,s.forEach(e=>e(t)),i||this.send(Q(t,{origin:e}))};let a;try{a=t(r,t=>{n.add(t)})}catch(t){this.send(yt(e,t))}if(V(a))return this.spawnPromise(a,e);const c={id:e,send:t=>n.forEach(e=>e(t)),subscribe:t=>{const e=K(t);return s.add(e.next),{unsubscribe:()=>{s.delete(e.next)}}},stop:()=>{i=!0,M(a)&&a()},toJSON:()=>({id:e}),getSnapshot:()=>o,[B]:function(){return this}};return this.children.set(e,c),c}spawnObservable(t,e){let i;const n=t.subscribe(t=>{i=t,this.send(Q(t,{origin:e}))},t=>{this.removeChild(e),this.send(Q(yt(e,t),{origin:e}))},()=>{this.removeChild(e),this.send(Q(vt(e),{origin:e}))}),s={id:e,send:()=>{},subscribe:(e,i,n)=>t.subscribe(e,i,n),stop:()=>n.unsubscribe(),getSnapshot:()=>i,toJSON:()=>({id:e}),[B]:function(){return this}};return this.children.set(e,s),s}spawnActor(t,e){return this.children.set(e,t),t}spawnActivity(t){const e=this.machine.options&&this.machine.options.activities?this.machine.options.activities[t.type]:void 0;if(!e)return;const i=e(this.state.context,t);this.spawnEffect(t.id,i)}spawnEffect(t,e){this.children.set(t,{id:t,send:()=>{},subscribe:()=>({unsubscribe:()=>{}}),stop:e||void 0,getSnapshot:()=>{},toJSON:()=>({id:t}),[B]:function(){return this}})}attachDev(){const t=Ft();if(this.options.devTools&&t){if(t.__REDUX_DEVTOOLS_EXTENSION__){const e="object"==typeof this.options.devTools?this.options.devTools:void 0;this.devTools=t.__REDUX_DEVTOOLS_EXTENSION__.connect(Object.assign(Object.assign({name:this.id,autoPause:!0,stateSanitizer:t=>({value:t.value,context:t.context,actions:t.actions})},e),{features:Object.assign({jump:!1,skip:!1},e?e.features:void 0)}),this.machine),this.devTools.init(this.state)}Jt(this)}}toJSON(){return{id:this.id}}[B](){return this}getSnapshot(){return this.status===Xt.NotStarted?this.initialState:this._state}}Ht.defaultOptions={execute:!0,deferEvents:!0,clock:{setTimeout:(t,e)=>setTimeout(t,e),clearTimeout:t=>clearTimeout(t)},logger:console.log.bind(console),devTools:!1},Ht.interpret=Kt;function Gt(t,e){const i=(t=>z(t)?Object.assign(Object.assign({},Qt),{name:t}):Object.assign(Object.assign(Object.assign({},Qt),{name:J()}),t))(e);return(e=>e?e.spawn(t,i.name,i):_t(t,i.name))(St[St.length-1])}function Kt(t,e){return new Ht(t,e)}function Wt(t){if("string"==typeof t){const e={type:t,toString:()=>t};return e}return t}function Yt(t){return Object.assign(Object.assign({type:f},t),{toJSON(){const e=jt(t,["onDone","onError"]);return Object.assign(Object.assign({},e),{type:f,src:Wt(t.src)})}})}const Zt={},te=t=>"#"===t[0];class ee{constructor(t,e,i=("context"in t?t.context:void 0),n){var s;this.config=t,this._context=i,this.order=-1,this.__xstatenode=!0,this.__cache={events:void 0,relativeValue:new Map,initialStateValue:void 0,initialState:void 0,on:void 0,transitions:void 0,candidates:{},delayedTransitions:void 0},this.idMap={},this.tags=[],this.options=Object.assign({actions:{},guards:{},services:{},activities:{},delays:{}},e),this.parent=null==n?void 0:n.parent,this.key=this.config.key||(null==n?void 0:n.key)||this.config.id||"(machine)",this.machine=this.parent?this.parent.machine:this,this.path=this.parent?this.parent.path.concat(this.key):[],this.delimiter=this.config.delimiter||(this.parent?this.parent.delimiter:"."),this.id=this.config.id||[this.machine.key,...this.path].join(this.delimiter),this.version=this.parent?this.parent.version:this.config.version,this.type=this.config.type||(this.config.parallel?"parallel":this.config.states&&Object.keys(this.config.states).length?"compound":this.config.history?"history":"atomic"),this.schema=this.parent?this.machine.schema:null!==(s=this.config.schema)&&void 0!==s?s:{},this.description=this.config.description,this.initial=this.config.initial,this.states=this.config.states?k(this.config.states,(t,e)=>{const i=new ee(t,{},void 0,{parent:this,key:e});return Object.assign(this.idMap,Object.assign({[i.id]:i},i.idMap)),i}):Zt;let o=0;!function t(e){e.order=o++;for(const i of kt(e))t(i)}(this),this.history=!0===this.config.history?"shallow":this.config.history||!1,this._transient=!!this.config.always||!!this.config.on&&(Array.isArray(this.config.on)?this.config.on.some(({event:t})=>""===t):""in this.config.on),this.strict=!!this.config.strict,this.onEntry=P(this.config.entry||this.config.onEntry).map(t=>tt(t)),this.onExit=P(this.config.exit||this.config.onExit).map(t=>tt(t)),this.meta=this.config.meta,this.doneData="final"===this.type?this.config.data:void 0,this.invoke=P(this.config.invoke).map((t,e)=>{if(F(t)){const i=W(this.id,e);return this.machine.options.services=Object.assign({[i]:t},this.machine.options.services),Yt({src:i,id:i})}if(z(t.src)){const i=t.id||W(this.id,e);return Yt(Object.assign(Object.assign({},t),{id:i,src:t.src}))}if(F(t.src)||M(t.src)){const i=t.id||W(this.id,e);return this.machine.options.services=Object.assign({[i]:t.src},this.machine.options.services),Yt(Object.assign(Object.assign({id:i},t),{src:i}))}{const i=t.src;return Yt(Object.assign(Object.assign({id:W(this.id,e)},t),{src:i}))}}),this.activities=P(this.config.activities).concat(this.invoke).map(t=>it(t)),this.transition=this.transition.bind(this),this.tags=P(this.config.tags)}_init(){this.__cache.transitions||Tt(this).forEach(t=>t.on)}withConfig(t,e){const{actions:i,activities:n,guards:s,services:o,delays:r}=this.options;return new ee(this.config,{actions:Object.assign(Object.assign({},i),t.actions),activities:Object.assign(Object.assign({},n),t.activities),guards:Object.assign(Object.assign({},s),t.guards),services:Object.assign(Object.assign({},o),t.services),delays:Object.assign(Object.assign({},r),t.delays)},null!=e?e:this.context)}withContext(t){return new ee(this.config,this.options,t)}get context(){return M(this._context)?this._context():this._context}get definition(){return{id:this.id,key:this.key,version:this.version,context:this.context,type:this.type,initial:this.initial,history:this.history,states:k(this.states,t=>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,description:this.description,tags:this.tags}}toJSON(){return this.definition}get on(){if(this.__cache.on)return this.__cache.on;const t=this.transitions;return this.__cache.on=t.reduce((t,e)=>(t[e.eventType]=t[e.eventType]||[],t[e.eventType].push(e),t),{})}get after(){return this.__cache.delayedTransitions||(this.__cache.delayedTransitions=this.getDelayedTransitions(),this.__cache.delayedTransitions)}get transitions(){return this.__cache.transitions||(this.__cache.transitions=this.formatTransitions(),this.__cache.transitions)}getCandidates(t){if(this.__cache.candidates[t])return this.__cache.candidates[t];const e=""===t,i=this.transitions.filter(i=>{const n=i.eventType===t;return e?n:n||"*"===i.eventType});return this.__cache.candidates[t]=i,i}getDelayedTransitions(){const t=this.config.after;if(!t)return[];const e=(t,e)=>{const i=pt(M(t)?`${this.id}:delay[${e}]`:t,this.id);return this.onEntry.push(ot(i,{delay:t})),this.onExit.push(ut(i)),i};return(R(t)?t.map((t,i)=>{const n=e(t.delay,i);return Object.assign(Object.assign({},t),{event:n})}):$(Object.keys(t).map((i,n)=>{const s=t[i],o=z(s)?{target:s}:s,r=isNaN(+i)?i:+i,a=e(r,n);return P(o).map(t=>Object.assign(Object.assign({},t),{event:a,delay:r}))}))).map(t=>{const{delay:e}=t;return Object.assign(Object.assign({},this.formatTransition(t)),{delay:e})})}getStateNodes(t){if(!t)return[];const e=t instanceof Dt?t.value:j(t,this.delimiter);if(z(e)){const t=this.getStateNode(e).initial;return void 0!==t?this.getStateNodes({[e]:t}):[this,this.states[e]]}const i=Object.keys(e),n=[this];return n.push(...$(i.map(t=>this.getStateNode(t).getStateNodes(e[t])))),n}handles(t){const e=_(t);return this.events.includes(e)}resolveState(t){const e=t instanceof Dt?t:Dt.create(t),i=Array.from(At([],this.getStateNodes(e.value)));return new Dt(Object.assign(Object.assign({},e),{value:this.resolve(e.value),configuration:i,done:Ct(i,this),tags:Vt(i),machine:this.machine}))}transitionLeafNode(t,e,i){const n=this.getStateNode(t).next(e,i);return n&&n.transitions.length?n:this.next(e,i)}transitionCompoundNode(t,e,i){const n=Object.keys(t),s=this.getStateNode(n[0])._transition(t[n[0]],e,i);return s&&s.transitions.length?s:this.next(e,i)}transitionParallelNode(t,e,i){const n={};for(const s of Object.keys(t)){const o=t[s];if(!o)continue;const r=this.getStateNode(s)._transition(o,e,i);r&&(n[s]=r)}const s=Object.keys(n).map(t=>n[t]),o=$(s.map(t=>t.transitions));if(!s.some(t=>t.transitions.length>0))return this.next(e,i);const r=$(s.map(t=>t.entrySet)),a=$(Object.keys(n).map(t=>n[t].configuration));return{transitions:o,entrySet:r,exitSet:$(s.map(t=>t.exitSet)),configuration:a,source:e,actions:$(Object.keys(n).map(t=>n[t].actions))}}_transition(t,e,i){return z(t)?this.transitionLeafNode(t,e,i):1===Object.keys(t).length?this.transitionCompoundNode(t,e,i):this.transitionParallelNode(t,e,i)}getTransitionData(t,e){return this._transition(t.value,t,Q(e))}next(t,e){const i=e.name,n=[];let s,o=[];for(const r of this.getCandidates(i)){const{cond:a,in:c}=r,h=t.context,u=!c||(z(c)&&te(c)?t.matches(j(this.getStateNodeById(c).path,this.delimiter)):x(j(c,this.delimiter),T(this.path.slice(0,-2))(t.value)));let d=!1;try{d=!a||H(this.machine,a,h,e,t)}catch(t){throw new Error(`Unable to evaluate guard '${a.name||a.type}' in transition for event '${i}' in state node '${this.id}':\n${t.message}`)}if(d&&u){void 0!==r.target&&(o=r.target),n.push(...r.actions),s=r;break}}if(!s)return;if(!o.length)return{transitions:[s],entrySet:[],exitSet:[],configuration:t.value?[this]:[],source:t,actions:n};const r=$(o.map(e=>this.getRelativeStateNodes(e,t.historyValue))),a=!!s.internal,c=[];return a||o.forEach(t=>{c.push(...this.getExternalReentryNodes(t))}),{transitions:[s],entrySet:c,exitSet:a?[]:[this],configuration:r,source:t,actions:n}}getExternalReentryNodes(t){const e=[];let[i,n]=t.order>this.order?[t,this]:[this,t];for(;i&&i!==n;)e.push(i),i=i.parent;return i!==n?[]:(e.push(n),e)}getActions(t,i,n,r,a,c,h){const u=At([],c?this.getStateNodes(c.value):[this]);for(const e of t)(!Pt(u,e)||Pt(n.entrySet,e.parent)&&!Pt(n.entrySet,e))&&n.entrySet.push(e);for(const e of u)Pt(t,e)&&!Pt(n.exitSet,e.parent)||n.exitSet.push(e);const d=$(n.entrySet.map(t=>{const e=[];if("final"!==t.type)return e;const i=t.parent;if(!i.parent)return e;e.push(gt(t.id,t.doneData),gt(i.id,t.doneData?C(t.doneData,r,a):void 0));const s=i.parent;return"parallel"===s.type&&Nt(s).every(t=>Ct(n.configuration,t))&&e.push(gt(s.id)),e}));n.exitSet.sort((t,e)=>e.order-t.order),n.entrySet.sort((t,e)=>t.order-e.order);const l=new Set(n.entrySet),f=new Set(n.exitSet),p=Array.from(l).map(t=>{const e=t.onEntry,i=t.activities.map(t=>dt(t));return et(h?[...e,...i]:[...i,...e],this.machine.options.actions)}).concat([d.map(nt)]),g=Array.from(f).map(t=>et([...t.onExit,...t.activities.map(t=>lt(t))],this.machine.options.actions)).concat([et(n.actions,this.machine.options.actions)]).concat(p);if(i){const i=et($([...t].sort((t,e)=>e.order-t.order).map(t=>t.onExit)),this.machine.options.actions).filter(t=>t.type!==s&&(t.type!==o||!!t.to&&t.to!==e.Internal));return g.concat([i])}return g}transition(t=this.initialState,e,i,n){const s=Q(e);let o;if(t instanceof Dt)o=void 0===i?t:this.resolveState(Dt.from(t,i));else{const e=z(t)?this.resolve(E(this.getResolvedPath(t))):this.resolve(t),n=null!=i?i:this.machine.context;o=this.resolveState(Dt.from(e,n))}if(this.strict&&!this.events.includes(s.name)&&(r=s.name,!/^(done|error)\./.test(r)))throw new Error(`Machine '${this.id}' does not accept event '${s.name}'`);var r;const a=this._transition(o.value,o,s)||{transitions:[],configuration:[],entrySet:[],exitSet:[],source:o,actions:[]},c=At([],this.getStateNodes(o.value)),h=a.configuration.length?At(c,a.configuration):c;return a.configuration=[...h],this.resolveTransition(a,o,o.context,n,s)}resolveRaisedTransition(t,e,i,n){const s=t.actions;return(t=this.transition(t,e,void 0,n))._event=i,t.event=i.data,t.actions.unshift(...s),t}resolveTransition(t,r,c,h,u=Y){const{configuration:d}=t,l=!r||t.transitions.length>0,p=l?t.configuration:r?r.configuration:[],g=Ct(p,this),v=l?It(this.machine,d):void 0,m=r?r.historyValue?r.historyValue:t.source?this.machine.historyValue(r.value):void 0:void 0,b=this.getActions(new Set(p),g,t,c,u,r,h),S=r?Object.assign({},r.activities):{};for(const t of b)for(const e of t)e.type===i?S[e.activity.id||e.activity.type]=e:e.type===n&&(S[e.activity.id||e.activity.type]=!1);const[O,x]=mt(this,r,c,u,b,h,this.machine.config.predictableActionArguments||this.machine.config.preserveActionOrder),[_,w]=function(t,e){const[i,n]=[[],[]];for(const s of t)e(s)?i.push(s):n.push(s);return[i,n]}(O,t=>t.type===s||t.type===o&&t.to===e.Internal),j=O.filter(t=>{var e;return t.type===i&&(null===(e=t.activity)||void 0===e?void 0:e.type)===f}).reduce((t,e)=>(t[e.activity.id]=function(t,e,i,n){var s;const o=G(t.src),r=null===(s=null==e?void 0:e.options.services)||void 0===s?void 0:s[o.type],a=t.data?C(t.data,i,n):void 0,c=r?_t(r,t.id,a):xt(t.id);return c.meta=t,c}(e.activity,this.machine,x,u),t),r?Object.assign({},r.children):{}),E=new Dt({value:v||r.value,context:x,_event:u,_sessionid:r?r._sessionid:null,historyValue:v?m?(k=m,N=v,{current:N,states:L(k,N)}):void 0:r?r.historyValue:void 0,history:!v||t.source?r:void 0,actions:v?w:[],activities:v?S:r?r.activities:{},events:[],configuration:p,transitions:t.transitions,children:j,done:g,tags:Vt(p),machine:this});var k,N;const T=c!==x;E.changed=u.name===y||T;const{history:A}=E;A&&delete A.history;const $=!g&&(this._transient||d.some(t=>t._transient));if(!(l||$&&""!==u.name))return E;let I=E;if(!g)for($&&(I=this.resolveRaisedTransition(I,{type:a},u,h));_.length;){const t=_.shift();I=this.resolveRaisedTransition(I,t._event,u,h)}const P=I.changed||(A?!!I.actions.length||T||typeof A.value!=typeof I.value||!function t(e,i){if(e===i)return!0;if(void 0===e||void 0===i)return!1;if(z(e)||z(i))return e===i;const n=Object.keys(e),s=Object.keys(i);return n.length===s.length&&n.every(n=>t(e[n],i[n]))}(I.value,A.value):void 0);return I.changed=P,I.history=A,I}getStateNode(t){if(te(t))return this.machine.getStateNodeById(t);if(!this.states)throw new Error(`Unable to retrieve child state '${t}' from '${this.id}'; no child states exist.`);const e=this.states[t];if(!e)throw new Error(`Child state '${t}' does not exist on '${this.id}'`);return e}getStateNodeById(t){const e=te(t)?t.slice("#".length):t;if(e===this.id)return this;const i=this.machine.idMap[e];if(!i)throw new Error(`Child state node '#${e}' does not exist on machine '${this.id}'`);return i}getStateNodeByPath(t){if("string"==typeof t&&te(t))try{return this.getStateNodeById(t.slice(1))}catch(t){}const e=w(t,this.delimiter).slice();let i=this;for(;e.length;){const t=e.shift();if(!t.length)break;i=i.getStateNode(t)}return i}resolve(t){if(!t)return this.initialStateValue||Zt;switch(this.type){case"parallel":return k(this.initialStateValue,(e,i)=>e?this.getStateNode(i).resolve(t[i]||e):Zt);case"compound":if(z(t)){const e=this.getStateNode(t);return"parallel"===e.type||"compound"===e.type?{[t]:e.initialStateValue}:t}return Object.keys(t).length?k(t,(t,e)=>t?this.getStateNode(e).resolve(t):Zt):this.initialStateValue||{};default:return t||Zt}}getResolvedPath(t){if(te(t)){const e=this.machine.idMap[t.slice("#".length)];if(!e)throw new Error(`Unable to find state node '${t}'`);return e.path}return w(t,this.delimiter)}get initialStateValue(){if(this.__cache.initialStateValue)return this.__cache.initialStateValue;let t;if("parallel"===this.type)t=N(this.states,t=>t.initialStateValue||Zt,t=>!("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}'`);t=Et(this.states[this.initial])?this.initial:{[this.initial]:this.states[this.initial].initialStateValue}}else t={};return this.__cache.initialStateValue=t,this.__cache.initialStateValue}getInitialState(t,e){this._init();const i=this.getStateNodes(t);return this.resolveTransition({configuration:i,entrySet:i,exitSet:[],transitions:[],source:void 0,actions:[]},void 0,null!=e?e:this.machine.context,void 0)}get initialState(){const{initialStateValue:t}=this;if(!t)throw new Error(`Cannot retrieve initial state from simple state '${this.id}'.`);return this.getInitialState(t)}get target(){let t;if("history"===this.type){const e=this.config;t=z(e.target)&&te(e.target)?E(this.machine.getStateNodeById(e.target).path.slice(this.path.length-1)):e.target}return t}getRelativeStateNodes(t,e,i=!0){return i?"history"===t.type?t.resolveHistory(e):t.initialStateNodes:[t]}get initialStateNodes(){if(Et(this))return[this];if("compound"===this.type&&!this.initial)return[this];return $(A(this.initialStateValue).map(t=>this.getFromRelativePath(t)))}getFromRelativePath(t){if(!t.length)return[this];const[e,...i]=t;if(!this.states)throw new Error(`Cannot retrieve subPath '${e}' from node with no states`);const n=this.getStateNode(e);if("history"===n.type)return n.resolveHistory();if(!this.states[e])throw new Error(`Child state '${e}' does not exist on '${this.id}'`);return this.states[e].getFromRelativePath(i)}historyValue(t){if(Object.keys(this.states).length)return{current:t||this.initialStateValue,states:N(this.states,(e,i)=>{if(!t)return e.historyValue();const n=z(t)?void 0:t[i];return e.historyValue(n||e.initialStateValue)},t=>!t.history)}}resolveHistory(t){if("history"!==this.type)return[this];const e=this.parent;if(!t){const t=this.target;return t?$(A(t).map(t=>e.getFromRelativePath(t))):e.initialStateNodes}const i=(n=e.path,s="states",t=>{let e=t;for(const t of n)e=e[s][t];return e})(t).current;var n,s;return z(i)?[e.getStateNode(i)]:$(A(i).map(t=>"deep"===this.history?e.getFromRelativePath(t):[e.states[t[0]]]))}get stateIds(){const t=$(Object.keys(this.states).map(t=>this.states[t].stateIds));return[this.id].concat(t)}get events(){if(this.__cache.events)return this.__cache.events;const{states:t}=this,e=new Set(this.ownEvents);if(t)for(const i of Object.keys(t)){const n=t[i];if(n.states)for(const t of n.events)e.add(""+t)}return this.__cache.events=Array.from(e)}get ownEvents(){const t=new Set(this.transitions.filter(t=>!(!t.target&&!t.actions.length&&t.internal)).map(t=>t.eventType));return Array.from(t)}resolveTarget(t){if(void 0!==t)return t.map(t=>{if(!z(t))return t;const e=t[0]===this.delimiter;if(e&&!this.parent)return this.getStateNodeByPath(t.slice(1));const i=e?this.key+t:t;if(!this.parent)return this.getStateNodeByPath(i);try{return this.parent.getStateNodeByPath(i)}catch(t){throw new Error(`Invalid transition definition for state node '${this.id}':\n${t.message}`)}})}formatTransition(t){const e=function(t){if(void 0!==t&&""!==t)return P(t)}(t.target),i="internal"in t?t.internal:!e||e.some(t=>z(t)&&t[0]===this.delimiter),{guards:n}=this.machine.options,s=this.resolveTarget(e),o=Object.assign(Object.assign({},t),{actions:et(P(t.actions)),cond:U(t.cond,n),target:s,source:this,internal:i,eventType:t.event,toJSON:()=>Object.assign(Object.assign({},o),{target:o.target?o.target.map(t=>"#"+t.id):void 0,source:"#"+this.id})});return o}formatTransitions(){let t;if(this.config.on)if(Array.isArray(this.config.on))t=this.config.on;else{const e=this.config.on,i="*",n=e[i],s=void 0===n?[]:n,o=jt(e,[i+""]);t=$(Object.keys(o).map(t=>X(t,o[t])).concat(X("*",s)))}else t=[];const e=this.config.always?X("",this.config.always):[],i=this.config.onDone?X(String(gt(this.id)),this.config.onDone):[],n=$(this.invoke.map(t=>{const e=[];return t.onDone&&e.push(...X(String(vt(t.id)),t.onDone)),t.onError&&e.push(...X(String(yt(t.id)),t.onError)),e})),s=this.after,o=$([...i,...n,...t,...e].map(t=>P(t).map(t=>this.formatTransition(t))));for(const t of s)o.push(t);return o}}function ie(t,e,i=t.context){return new ee(t,e,i)}function ne(t,e){return new ee(t,e)}function se(t,e){let i;for(const n of Object.keys(t))x(n,e)&&(!i||e.length>i.length)&&(i=n);return t[i]}function oe(t,e,i){const n=Dt.from(t,t instanceof Dt?t.context:void 0);for(const[t,i]of e)if(n.matches(t))return i(n);return i(n)}function re(t){return t}const ae=re,{assign:ce,send:he,sendTo:ue,sendParent:de,sendUpdate:le,forwardTo:fe,doneInvoke:pe,raise:ge}=bt;export{t as ActionTypes,Ht as Interpreter,Xt as InterpreterStatus,ie as Machine,e as SpecialTargets,Dt as State,ee as StateNode,bt as actions,ce as assign,ne as createMachine,re as createSchema,pe as doneInvoke,fe as forwardTo,Kt as interpret,se as mapState,oe as matchState,x as matchesState,ge as raise,he as send,de as sendParent,ue as sendTo,le as sendUpdate,Gt as spawn,qt as spawnBehavior,ae as t,wt as toActorRef,q as toEventObject,K as toObserver,Q as toSCXMLEvent};
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