| 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 S=Object.freeze({__proto__:null,start:i,stop:n,raise:s,send:o,cancel:r,nullEvent:a,assign:c,after:h,doneState:u,log:d,init:l,invoke:f,errorExecution:p,errorPlatform:g,error:v,update:y,choose:m,pure:b});const O={};function w(t,e,i="."){const n=_(t,i),s=_(e,i);return F(s)?!!F(n)&&s===n:F(n)?n in s:Object.keys(n).every(t=>t in s&&w(n[t],s[t]))}function x(t){try{return F(t)||"number"==typeof t?""+t:t.type}catch(t){throw new Error("Events must be strings or objects with a string event.type property.")}}function j(t,e){try{return M(t)?t:t.toString().split(e)}catch(e){throw new Error(`'${t}' is not a valid state path.`)}}function _(t,e){if("object"==typeof(i=t)&&"value"in i&&"context"in i&&"event"in i&&"_event"in i)return t.value;var i;if(M(t))return E(t);if("string"!=typeof t)return t;return E(j(t,e))}function E(t){if(1===t.length)return t[0];const e={};let i=e;for(let e=0;e<t.length-1;e++)e===t.length-2?i[t[e]]=t[e+1]:(i[t[e]]={},i=i[t[e]]);return e}function k(t,e){const i={},n=Object.keys(t);for(let s=0;s<n.length;s++){const o=n[s];i[o]=e(t[o],o,t,s)}return i}function N(t,e,i){const n={};for(const s of Object.keys(t)){const o=t[s];i(o)&&(n[s]=e(o,s,t))}return n}const T=t=>e=>{let i=e;for(const e of t)i=i[e];return i};function $(t){if(!t)return[[]];if(F(t))return[[t]];return P(Object.keys(t).map(e=>{const i=t[e];return"string"==typeof i||i&&Object.keys(i).length?$(t[e]).map(t=>[e].concat(t)):[[e]]}))}function P(t){return[].concat(...t)}function C(t){return M(t)?t:[t]}function I(t){return void 0===t?[]:C(t)}function V(t,e,i){if(z(t))return t(e,i.data);const n={};for(const s of Object.keys(t)){const o=t[s];z(o)?n[s]=o(e,i.data):n[s]=o}return n}function A(t){return t instanceof Promise||!(null===t||!z(t)&&"object"!=typeof t||!z(t.then))}function L(t,e){const[i,n]=[[],[]];for(const s of t)e(s)?i.push(s):n.push(s);return[i,n]}function D(t,e){return k(t.states,(t,i)=>{if(!t)return;const n=(F(e)?void 0:e[i])||(t?t.current:void 0);return n?{current:n,states:D(t,n)}:void 0})}function R(t,e,i,n){return t?i.reduce((t,i)=>{const{assignment:s}=i,o={state:n,action:i,_event:e};let r={};if(z(s))r=s(t,e.data,o);else for(const i of Object.keys(s)){const n=s[i];r[i]=z(n)?n(t,e.data,o):n}return Object.assign({},t,r)},t):t}function M(t){return Array.isArray(t)}function z(t){return"function"==typeof t}function F(t){return"string"==typeof t}function U(t,e){if(t)return F(t)?{type:"xstate.guard",name:t,predicate:e?e[t]:void 0}:z(t)?{type:"xstate.guard",name:t.name,predicate:t}:t}const B=(()=>"function"==typeof Symbol&&Symbol.observable||"@@observable")();function J(t){return!!t&&"__xstatenode"in t}const q=(()=>{let t=0;return()=>(t++,t.toString(16))})();function X(t,e){return F(t)||"number"==typeof t?Object.assign({type:t},e):t}function H(t,e){if(!F(t)&&"$$type"in t&&"scxml"===t.$$type)return t;const i=X(t);return Object.assign({name:i.type,data:i,$$type:"scxml",type:"external"},e)}function G(t,e){return C(e).map(e=>void 0===e||"string"==typeof e||J(e)?{target:e,event:t}:Object.assign(Object.assign({},e),{event:t}))}function K(t,e,i,n,s){const{guards:o}=t.options,r={state:s,cond:e,_event:n};if("xstate.guard"===e.type)return((null==o?void 0:o[e.name])||e.predicate)(i,n.data,r);const a=null==o?void 0:o[e.type];if(!a)throw new Error(`Guard '${e.type}' is not implemented on machine '${t.id}'.`);return a(i,n.data,r)}function Q(t){return"string"==typeof t?{type:t}:t}function W(t,e,i){if("object"==typeof t)return t;const n=()=>{};return{next:t,error:e||n,complete:i||n}}function Y(t,e){return`${t}:invocation[${e}]`}const Z=H({type:l});function tt(t,e){return e&&e[t]||void 0}function et(t,e){let i;if(F(t)||"number"==typeof t){const n=tt(t,e);i=z(n)?{type:t,exec:n}:n||{type:t,exec:void 0}}else if(z(t))i={type:t.name||t.toString(),exec:t};else{const n=tt(t.type,e);if(z(n))i=Object.assign(Object.assign({},t),{exec:n});else if(n){const e=n.type||t.type;i=Object.assign(Object.assign(Object.assign({},n),t),{type:e})}else i=t}return i}const it=(t,e)=>{if(!t)return[];return(M(t)?t:[t]).map(t=>et(t,e))};function nt(t){const e=et(t);return Object.assign(Object.assign({id:F(t)?t:e.id},e),{type:e.type})}function st(t){return F(t)?{type:s,event:t}:rt(t,{to:e.Internal})}function ot(t){return{type:s,_event:H(t.event)}}function rt(t,e){return{to:e?e.to:void 0,type:o,event:z(t)?t:X(t),delay:e?e.delay:void 0,id:e&&void 0!==e.id?e.id:z(t)?t.name:x(t)}}function at(t,e,i,n){const s={_event:i},o=H(z(t.event)?t.event(e,i.data,s):t.event);let r;if(F(t.delay)){const o=n&&n[t.delay];r=z(o)?o(e,i.data,s):o}else r=z(t.delay)?t.delay(e,i.data,s):t.delay;const a=z(t.to)?t.to(e,i.data,s):t.to;return Object.assign(Object.assign({},t),{to:a,_event:o,event:o.data,delay:r})}function ct(t,i){return rt(t,Object.assign(Object.assign({},i),{to:e.Parent}))}const ht=(t,e)=>({context:t,event:e});const ut=(t,e,i)=>Object.assign(Object.assign({},t),{value:F(t.expr)?t.expr:t.expr(e,i.data,{_event:i})}),dt=t=>({type:r,sendId:t});function lt(e){const i=nt(e);return{type:t.Start,activity:i,exec:void 0}}function ft(e){const i=z(e)?e:nt(e);return{type:t.Stop,activity:i,exec:void 0}}function pt(e,i,n){const s=z(e.activity)?e.activity(i,n.data):e.activity,o="string"==typeof s?{id:s}:s;return{type:t.Stop,activity:o}}function gt(e,i){const n=i?"#"+i:"";return`${t.After}(${e})${n}`}function vt(e,i){const n=`${t.DoneState}.${e}`,s={type:n,data:i,toString:()=>n};return s}function yt(e,i){const n=`${t.DoneInvoke}.${e}`,s={type:n,data:i,toString:()=>n};return s}function mt(e,i){const n=`${t.ErrorPlatform}.${e}`,s={type:n,data:i,toString:()=>n};return s}function bt(t,e,i,r,a,h=!1){const[u,l]=h?[[],a]:L(a,t=>t.type===c);let f=u.length?R(i,r,u,e):i;const p=h?[i]:void 0;return[P(l.map(i=>{var a;switch(i.type){case s:return ot(i);case o:return at(i,f,r,t.options.delays);case d:return ut(i,f,r);case m:{const n=null===(a=i.conds.find(i=>{const n=U(i.cond,t.options.guards);return!n||K(t,n,f,r,e)}))||void 0===a?void 0:a.actions;if(!n)return[];const[s,o]=bt(t,e,f,r,it(I(n),t.options.actions),h);return f=o,null==p||p.push(f),s}case b:{const n=i.get(f,r.data);if(!n)return[];const[s,o]=bt(t,e,f,r,it(I(n),t.options.actions),h);return f=o,null==p||p.push(f),s}case n:return pt(i,f,r);case c:f=R(f,r,[i],e),null==p||p.push(f);break;default:let u=et(i,t.options.actions);const{exec:l}=u;if(l&&p){const t=p.length-1;u=Object.assign(Object.assign({},u),{exec:(e,...i)=>{l(p[t],...i)}})}return u}}).filter(t=>!!t)),f]}var St=Object.freeze({__proto__:null,actionTypes:S,initEvent:Z,getActionFunction:tt,toActionObject:et,toActionObjects:it,toActivityDefinition:nt,raise:st,resolveRaise:ot,send:rt,resolveSend:at,sendParent:ct,sendTo:function(t,e,i){return rt(e,Object.assign(Object.assign({},i),{to:t}))},sendUpdate:function(){return ct(y)},respond:function(t,e){return rt(t,Object.assign(Object.assign({},e),{to:(t,e,{_event:i})=>i.origin}))},log:function(t=ht,e){return{type:d,label:e,expr:t}},resolveLog:ut,cancel:dt,start:lt,stop:ft,resolveStop:pt,assign:t=>({type:c,assignment:t}),isActionObject:function(t){return"object"==typeof t&&"type"in t},after:gt,done:vt,doneInvoke:yt,error:mt,pure:function(e){return{type:t.Pure,get:e}},forwardTo:function(t,e){return rt((t,e)=>e,Object.assign(Object.assign({},e),{to:t}))},escalate:function(t,i){return ct((e,i,n)=>({type:v,data:z(t)?t(e,i,n):t}),Object.assign(Object.assign({},i),{to:e.Parent}))},choose:function(e){return{type:t.Choose,conds:e}},resolveActions:bt});const Ot=[],wt=(t,e)=>{Ot.push(t);const i=e(t);return Ot.pop(),i};function xt(t){return{id:t,send:()=>{},subscribe:()=>({unsubscribe:()=>{}}),getSnapshot:()=>{},toJSON:()=>({id:t}),[B]:function(){return this}}}function jt(t,e,i){const n=xt(e);if(n.deferred=!0,J(t)){const e=n.state=wt(void 0,()=>(i?t.withContext(i):t).initialState);n.getSnapshot=()=>e}return n}function _t(t){return Object.assign({subscribe:()=>({unsubscribe:()=>{}}),id:"anonymous",getSnapshot:()=>{},[B]:function(){return this}},t)}
|
| 15 | function Et(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 kt=t=>"atomic"===t.type||"final"===t.type;function Nt(t){return Object.keys(t.states).map(e=>t.states[e]).filter(t=>"history"!==t.type)}function Tt(t){const e=[t];return kt(t)?e:e.concat(P(Nt(t).map(Tt)))}function $t(t,e){const i=Pt(new Set(t)),n=new Set(e);for(const t of n){let e=t.parent;for(;e&&!n.has(e);)n.add(e),e=e.parent}const s=Pt(n);for(const t of n)if("compound"!==t.type||s.get(t)&&s.get(t).length){if("parallel"===t.type)for(const e of Nt(t))n.has(e)||(n.add(e),i.get(e)?i.get(e).forEach(t=>n.add(t)):e.initialStateNodes.forEach(t=>n.add(t)))}else i.get(t)?i.get(t).forEach(t=>n.add(t)):t.initialStateNodes.forEach(t=>n.add(t));for(const t of n){let e=t.parent;for(;e&&!n.has(e);)n.add(e),e=e.parent}return n}function Pt(t){const e=new Map;for(const i of t)e.has(i)||e.set(i,[]),i.parent&&(e.has(i.parent)||e.set(i.parent,[]),e.get(i.parent).push(i));return e}function Ct(t,e){return function t(e,i){const n=i.get(e);if(!n)return{};if("compound"===e.type){const t=n[0];if(!t)return{};if(kt(t))return t.key}const s={};return n.forEach(e=>{s[e.key]=t(e,i)}),s}(t,Pt($t([t],e)))}function It(t,e){return Array.isArray(t)?t.some(t=>t===e):t instanceof Set&&t.has(e)}function Vt(t,e){return"compound"===e.type?Nt(e).some(e=>"final"===e.type&&It(t,e)):"parallel"===e.type&&Nt(e).every(e=>Vt(t,e))}function At(t){return new Set(P(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(P([...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:Z,_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=Z;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(F(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=Et(this,["configuration","transitions","tags","machine"]);return Object.assign(Object.assign({},s),{tags:Array.from(i)})}matches(t){return w(t,this.value)}hasTag(t){return this.tags.has(t)}can(t){var e;this.machine;const i=null===(e=this.machine)||void 0===e?void 0:e.getTransitionData(this,t);return!!(null==i?void 0:i.transitions.length)&&i.transitions.some(t=>void 0!==t.target||t.actions.length)}}const Rt={deferEvents:!1};class Mt{constructor(t){this.processingEvent=!1,this.queue=[],this.initialized=!1,this.options=Object.assign(Object.assign({},Rt),t)}initialize(t){if(this.initialized=!0,t){if(!this.options.deferEvents)return void this.schedule(t);this.process(t)}this.flushEvents()}schedule(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)}clear(){this.queue=[]}flushEvents(){let t=this.queue.shift();for(;t;)this.process(t),t=this.queue.shift()}process(t){this.processingEvent=!0;try{t()}catch(t){throw this.clear(),t}finally{this.processingEvent=!1}}}const zt=new Map;let Ft=0;const Ut={bookId:()=>"x:"+Ft++,register:(t,e)=>(zt.set(t,e),t),get:t=>zt.get(t),free(t){zt.delete(t)}};function Bt(){return"undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:void 0}function Jt(t){if(!Bt())return;const e=function(){const t=Bt();if(t&&"__xstate__"in t)return t.__xstate__}();e&&e.register(t)}function qt(t,e={}){let i=t.initialState;const n=new Set,s=[];let o=!1;const r=_t({id:e.id,send:e=>{s.push(e),(()=>{if(!o){for(o=!0;s.length>0;){const e=s.shift();i=t.transition(i,e,a),n.forEach(t=>t.next(i))}o=!1}})()},getSnapshot:()=>i,subscribe:(t,e,s)=>{const o=W(t,e,s);return n.add(o),o.next(i),{unsubscribe:()=>{n.delete(o)}}}}),a={parent:e.parent,self:r,id:e.id||"anonymous",observers:n};return i=t.start?t.start(a):i,r}const Xt={sync:!1,autoForward:!1};var Ht;!function(t){t[t.NotStarted=0]="NotStarted",t[t.Running=1]="Running",t[t.Stopped=2]="Stopped"}(Ht||(Ht={}));class Gt{constructor(t,i=Gt.defaultOptions){this.machine=t,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=Ht.NotStarted,this.children=new Map,this.forwardTo=new Set,this.init=this.start,this.send=(t,e)=>{if(M(t))return this.batch(t),this.state;const i=H(X(t,e));if(this.status===Ht.Stopped)return this.state;if(this.status!==Ht.Running&&!this.options.deferEvents)throw new Error(`Event "${i.name}" was sent to uninitialized service "${this.machine.id}". Make sure .start() is called for this service, or set { deferEvents: true } in the service options.\nEvent: ${JSON.stringify(i.data)}`);return this.scheduler.schedule(()=>{this.forward(i);const t=this.nextState(i);this.update(t,i)}),this._state},this.sendTo=(t,i)=>{const n=this.parent&&(i===e.Parent||this.parent.id===i),s=n?this.parent:F(i)?this.children.get(i)||Ut.get(i):(o=i)&&"function"==typeof o.send?i:void 0;var o;if(s)"machine"in s?s.send(Object.assign(Object.assign({},t),{name:t.name===v?""+mt(this.id):t.name,origin:this.sessionId})):s.send(t.data);else if(!n)throw new Error(`Unable to send event to child '${i}' from service '${this.id}'.`)};const n=Object.assign(Object.assign({},Gt.defaultOptions),i),{clock:s,logger:o,parent:r,id:a}=n,c=void 0!==a?a:t.id;this.id=c,this.logger=o,this.clock=s,this.parent=r,this.options=n,this.scheduler=new Mt({deferEvents:this.options.deferEvents}),this.sessionId=Ut.bookId()}get initialState(){return this._initialState?this._initialState:wt(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.options.execute&&this.execute(this.state),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);const i=Vt(t.configuration||[],this.machine);if(this.state.configuration&&i){const i=t.configuration.find(t=>"final"===t.type&&t.parent===this.machine),n=i&&i.doneData?V(i.doneData,t.context,e):void 0;for(const t of this.doneListeners)t(yt(this.id,n));this.stop()}}onTransition(t){return this.listeners.add(t),this.status===Ht.Running&&t(this.state,this.state.event),this}subscribe(t,e,i){if(!t)return{unsubscribe:()=>{}};let n,s=i;return"function"==typeof t?n=t:(n=t.next.bind(t),s=t.complete.bind(t)),this.listeners.add(n),this.status!==Ht.NotStarted&&n(this.state),s&&(this.status===Ht.Stopped?s():this.onDone(s)),{unsubscribe:()=>{n&&this.listeners.delete(n),s&&this.doneListeners.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===Ht.Running)return this;this.machine._init(),Ut.register(this.sessionId,this),this.initialized=!0,this.status=Ht.Running;const e=void 0===t?this.initialState:wt(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,Z)}),this}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.state.configuration].sort((t,e)=>e.order-t.order).forEach(t=>{for(const e of t.definition.exit)this.exec(e,this.state)}),this.children.forEach(t=>{z(t.stop)&&t.stop()}),this.children.clear();for(const t of Object.keys(this.delayedEventsMap))this.clock.clearTimeout(this.delayedEventsMap[t]);return this.scheduler.clear(),this.scheduler=new Mt({deferEvents:this.options.deferEvents}),this.initialized=!1,this.status=Ht.Stopped,this._initialState=void 0,Ut.free(this.sessionId),this}batch(t){if(this.status===Ht.NotStarted&&this.options.deferEvents);else if(this.status!==Ht.Running)throw new Error(`${t.length} event(s) were sent to uninitialized service "${this.machine.id}". Make sure .start() is called for this service, or set { deferEvents: true } in the service options.`);this.scheduler.schedule(()=>{let e=this.state,i=!1;const n=[];for(const s of t){const t=H(s);this.forward(t),e=wt(this,()=>this.machine.transition(e,t)),n.push(...e.actions.map(t=>Lt(t,e))),i=i||!!e.changed}e.changed=i,e.actions=n,this.update(e,H(t[t.length-1]))})}sender(t){return this.send.bind(this,t)}nextState(t){const e=H(t);if(0===e.name.indexOf(g)&&!this.state.nextEvents.some(t=>0===t.indexOf(g)))throw e.data.data;return wt(this,()=>this.machine.transition(this.state,e))}forward(t){for(const e of this.forwardTo){const i=this.children.get(e);if(!i)throw new Error(`Unable to forward event '${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):this.send(t._event)},t.delay)}cancel(t){this.clock.clearTimeout(this.delayedEventsMap[t]),delete this.delayedEventsMap[t]}exec(e,s,a=this.machine.options.actions){const{context:c,_event:h}=s,u=e.exec||tt(e.type,a),l=z(u)?u:u?u.exec:e.exec;if(l)try{return l(c,h.data,{action:e,state:this.state,_event:h})}catch(t){throw this.parent&&this.parent.send({type:"xstate.error",data:t}),t}switch(e.type){case o:const s=e;if("number"==typeof s.delay)return void this.defer(s);s.to?this.sendTo(s._event,s.to):this.send(s._event);break;case r:this.cancel(e.sendId);break;case i:{if(this.status!==Ht.Running)return;const i=e.activity;if(!this.state.activities[i.id||i.type])break;if(i.type===t.Invoke){const t=Q(i.src),e=this.machine.options.services?this.machine.options.services[t.type]:void 0,{id:n,data:s}=i,o="autoForward"in i?i.autoForward:!!i.forward;if(!e)return;const r=s?V(s,c,h):void 0;if("string"==typeof e)return;let a,u=z(e)?e(c,h.data,{data:r,src:t,meta:i.meta}):e;if(!u)return;J(u)&&(u=r?u.withContext(r):u,a={autoForward:o}),this.spawn(u,n,a)}else this.spawnActivity(i);break}case n:this.stopChild(e.activity.id);break;case d:const{label:a,value:u}=e;a?this.logger(a,u):this.logger(u)}}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),z(e.stop)&&e.stop())}spawn(t,e,i){if(A(t))return this.spawnPromise(Promise.resolve(t),e);if(z(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&&z(t.subscribe)}catch(t){return!1}}(t))return this.spawnObservable(t,e);if(J(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 Gt(t,Object.assign(Object.assign({},this.options),{parent:this,id:e.id||t.id})),n=Object.assign(Object.assign({},Xt),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(H(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(H(yt(e,t),{origin:e})))},t=>{if(!n){this.removeChild(e);const i=mt(e,t);try{this.send(H(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=W(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(H(t,{origin:e}))};let a;try{a=t(r,t=>{n.add(t)})}catch(t){this.send(mt(e,t))}if(A(a))return this.spawnPromise(a,e);const c={id:e,send:t=>n.forEach(e=>e(t)),subscribe:t=>{const e=W(t);return s.add(e.next),{unsubscribe:()=>{s.delete(e.next)}}},stop:()=>{i=!0,z(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(H(t,{origin:e}))},t=>{this.removeChild(e),this.send(H(mt(e,t),{origin:e}))},()=>{this.removeChild(e),this.send(H(yt(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=Bt();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===Ht.NotStarted?this.initialState:this._state}}Gt.defaultOptions={execute:!0,deferEvents:!0,clock:{setTimeout:(t,e)=>setTimeout(t,e),clearTimeout:t=>clearTimeout(t)},logger:console.log.bind(console),devTools:!1},Gt.interpret=Qt;function Kt(t,e){const i=(t=>F(t)?Object.assign(Object.assign({},Xt),{name:t}):Object.assign(Object.assign(Object.assign({},Xt),{name:q()}),t))(e);return(e=>e?e.spawn(t,i.name,i):jt(t,i.name))(Ot[Ot.length-1])}function Qt(t,e){return new Gt(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=Et(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 Nt(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=I(this.config.entry||this.config.onEntry).map(t=>et(t)),this.onExit=I(this.config.exit||this.config.onExit).map(t=>et(t)),this.meta=this.config.meta,this.doneData="final"===this.type?this.config.data:void 0,this.invoke=I(this.config.invoke).map((t,e)=>{if(J(t)){const i=Y(this.id,e);return this.machine.options.services=Object.assign({[i]:t},this.machine.options.services),Yt({src:i,id:i})}if(F(t.src)){const i=t.id||Y(this.id,e);return Yt(Object.assign(Object.assign({},t),{id:i,src:t.src}))}if(J(t.src)||z(t.src)){const i=t.id||Y(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:Y(this.id,e)},t),{src:i}))}}),this.activities=I(this.config.activities).concat(this.invoke).map(t=>nt(t)),this.transition=this.transition.bind(this),this.tags=I(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 z(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=gt(z(t)?`${this.id}:delay[${e}]`:t,this.id);return this.onEntry.push(rt(i,{delay:t})),this.onExit.push(dt(i)),i};return(M(t)?t.map((t,i)=>{const n=e(t.delay,i);return Object.assign(Object.assign({},t),{event:n})}):P(Object.keys(t).map((i,n)=>{const s=t[i],o=F(s)?{target:s}:s,r=isNaN(+i)?i:+i,a=e(r,n);return I(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:_(t,this.delimiter);if(F(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(...P(i.map(t=>this.getStateNode(t).getStateNodes(e[t])))),n}handles(t){const e=x(t);return this.events.includes(e)}resolveState(t){const e=t instanceof Dt?t:Dt.create(t),i=Array.from($t([],this.getStateNodes(e.value)));return new Dt(Object.assign(Object.assign({},e),{value:this.resolve(e.value),configuration:i,done:Vt(i,this),tags:At(i),machine:this.machine}))}transitionLeafNode(t,e,i){const n=this.getStateNode(t).next(e,i);return n&&n.transitions.length?n:this.next(e,i)}transitionCompoundNode(t,e,i){const n=Object.keys(t),s=this.getStateNode(n[0])._transition(t[n[0]],e,i);return s&&s.transitions.length?s:this.next(e,i)}transitionParallelNode(t,e,i){const n={};for(const s of Object.keys(t)){const o=t[s];if(!o)continue;const r=this.getStateNode(s)._transition(o,e,i);r&&(n[s]=r)}const s=Object.keys(n).map(t=>n[t]),o=P(s.map(t=>t.transitions));if(!s.some(t=>t.transitions.length>0))return this.next(e,i);const r=P(s.map(t=>t.entrySet)),a=P(Object.keys(n).map(t=>n[t].configuration));return{transitions:o,entrySet:r,exitSet:P(s.map(t=>t.exitSet)),configuration:a,source:e,actions:P(Object.keys(n).map(t=>n[t].actions))}}_transition(t,e,i){return F(t)?this.transitionLeafNode(t,e,i):1===Object.keys(t).length?this.transitionCompoundNode(t,e,i):this.transitionParallelNode(t,e,i)}getTransitionData(t,e){return this._transition(t.value,t,H(e))}next(t,e){const i=e.name,n=[];let s,o=[];for(const r of this.getCandidates(i)){const{cond:a,in:c}=r,h=t.context,u=!c||(F(c)&&te(c)?t.matches(_(this.getStateNodeById(c).path,this.delimiter)):w(_(c,this.delimiter),T(this.path.slice(0,-2))(t.value)));let d=!1;try{d=!a||K(this.machine,a,h,e,t)}catch(t){throw new Error(`Unable to evaluate guard '${a.name||a.type}' in transition for event '${i}' in state node '${this.id}':\n${t.message}`)}if(d&&u){void 0!==r.target&&(o=r.target),n.push(...r.actions),s=r;break}}if(!s)return;if(!o.length)return{transitions:[s],entrySet:[],exitSet:[],configuration:t.value?[this]:[],source:t,actions:n};const r=P(o.map(e=>this.getRelativeStateNodes(e,t.historyValue))),a=!!s.internal;return{transitions:[s],entrySet:a?[]:P(r.map(t=>this.nodesFromChild(t))),exitSet:a?[]:[this],configuration:r,source:t,actions:n}}nodesFromChild(t){if(t.escapes(this))return[];const e=[];let i=t;for(;i&&i!==this;)e.push(i),i=i.parent;return e.push(this),e}escapes(t){if(this===t)return!1;let e=this.parent;for(;e;){if(e===t)return!1;e=e.parent}return!0}getActions(t,e,i,n){const s=$t([],n?this.getStateNodes(n.value):[this]),o=t.configuration.length?$t(s,t.configuration):s;for(const e of o)It(s,e)||t.entrySet.push(e);for(const e of s)It(o,e)&&!It(t.exitSet,e.parent)||t.exitSet.push(e);const r=P(t.entrySet.map(n=>{const s=[];if("final"!==n.type)return s;const o=n.parent;if(!o.parent)return s;s.push(vt(n.id,n.doneData),vt(o.id,n.doneData?V(n.doneData,e,i):void 0));const r=o.parent;return"parallel"===r.type&&Nt(r).every(e=>Vt(t.configuration,e))&&s.push(vt(r.id)),s}));t.exitSet.sort((t,e)=>e.order-t.order),t.entrySet.sort((t,e)=>t.order-e.order);const a=new Set(t.entrySet),c=new Set(t.exitSet),[h,u]=[P(Array.from(a).map(t=>[...t.activities.map(t=>lt(t)),...t.onEntry])).concat(r.map(st)),P(Array.from(c).map(t=>[...t.onExit,...t.activities.map(t=>ft(t))]))];return it(u.concat(t.actions).concat(h),this.machine.options.actions)}transition(t=this.initialState,e,i){const n=H(e);let s;if(t instanceof Dt)s=void 0===i?t:this.resolveState(Dt.from(t,i));else{const e=F(t)?this.resolve(E(this.getResolvedPath(t))):this.resolve(t),n=null!=i?i:this.machine.context;s=this.resolveState(Dt.from(e,n))}if(this.strict&&!this.events.includes(n.name)&&(o=n.name,!/^(done|error)\./.test(o)))throw new Error(`Machine '${this.id}' does not accept event '${n.name}'`);var o;const r=this._transition(s.value,s,n)||{transitions:[],configuration:[],entrySet:[],exitSet:[],source:s,actions:[]},a=$t([],this.getStateNodes(s.value)),c=r.configuration.length?$t(a,r.configuration):a;return r.configuration=[...c],this.resolveTransition(r,s,s.context,n)}resolveRaisedTransition(t,e,i){const n=t.actions;return(t=this.transition(t,e))._event=i,t.event=i.data,t.actions.unshift(...n),t}resolveTransition(t,r,c,h=Z){const{configuration:u}=t,d=!r||t.transitions.length>0,l=d?Ct(this.machine,u):void 0,p=r?r.historyValue?r.historyValue:t.source?this.machine.historyValue(r.value):void 0:void 0,g=this.getActions(t,c,h,r),v=r?Object.assign({},r.activities):{};for(const t of g)t.type===i?v[t.activity.id||t.activity.type]=t:t.type===n&&(v[t.activity.id||t.activity.type]=!1);const[m,b]=bt(this,r,c,h,g,this.machine.config.preserveActionOrder),[S,O]=L(m,t=>t.type===s||t.type===o&&t.to===e.Internal),w=m.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=Q(t.src),r=null===(s=null==e?void 0:e.options.services)||void 0===s?void 0:s[o.type],a=t.data?V(t.data,i,n):void 0,c=r?jt(r,t.id,a):xt(t.id);return c.meta=t,c}(e.activity,this.machine,b,h),t),r?Object.assign({},r.children):{}),x=d?t.configuration:r?r.configuration:[],j=Vt(x,this),_=new Dt({value:l||r.value,context:b,_event:h,_sessionid:r?r._sessionid:null,historyValue:l?p?(E=p,k=l,{current:k,states:D(E,k)}):void 0:r?r.historyValue:void 0,history:!l||t.source?r:void 0,actions:l?O:[],activities:l?v:r?r.activities:{},events:[],configuration:x,transitions:t.transitions,children:w,done:j,tags:At(x),machine:this});var E,k;const N=c!==b;_.changed=h.name===y||N;const{history:T}=_;T&&delete T.history;const $=!j&&(this._transient||u.some(t=>t._transient));if(!(d||$&&""!==h.name))return _;let P=_;if(!j)for($&&(P=this.resolveRaisedTransition(P,{type:a},h));S.length;){const t=S.shift();P=this.resolveRaisedTransition(P,t._event,h)}const C=P.changed||(T?!!P.actions.length||N||typeof T.value!=typeof P.value||!function t(e,i){if(e===i)return!0;if(void 0===e||void 0===i)return!1;if(F(e)||F(i))return e===i;const n=Object.keys(e),s=Object.keys(i);return n.length===s.length&&n.every(n=>t(e[n],i[n]))}(P.value,T.value):void 0);return P.changed=C,P.history=T,P}getStateNode(t){if(te(t))return this.machine.getStateNodeById(t);if(!this.states)throw new Error(`Unable to retrieve child state '${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 '${this.id}'`);return i}getStateNodeByPath(t){if("string"==typeof t&&te(t))try{return this.getStateNodeById(t.slice(1))}catch(t){}const e=j(t,this.delimiter).slice();let i=this;for(;e.length;){const t=e.shift();if(!t.length)break;i=i.getStateNode(t)}return i}resolve(t){if(!t)return this.initialStateValue||Zt;switch(this.type){case"parallel":return k(this.initialStateValue,(e,i)=>e?this.getStateNode(i).resolve(t[i]||e):Zt);case"compound":if(F(t)){const e=this.getStateNode(t);return"parallel"===e.type||"compound"===e.type?{[t]:e.initialStateValue}:t}return Object.keys(t).length?k(t,(t,e)=>t?this.getStateNode(e).resolve(t):Zt):this.initialStateValue||{};default:return t||Zt}}getResolvedPath(t){if(te(t)){const e=this.machine.idMap[t.slice("#".length)];if(!e)throw new Error(`Unable to find state node '${t}'`);return e.path}return j(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=kt(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 '${this.id}'.`);return this.getInitialState(t)}get target(){let t;if("history"===this.type){const e=this.config;t=F(e.target)&&te(e.target)?E(this.machine.getStateNodeById(e.target).path.slice(this.path.length-1)):e.target}return t}getRelativeStateNodes(t,e,i=!0){return i?"history"===t.type?t.resolveHistory(e):t.initialStateNodes:[t]}get initialStateNodes(){if(kt(this))return[this];if("compound"===this.type&&!this.initial)return[this];return P($(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 '${this.id}'`);return this.states[e].getFromRelativePath(i)}historyValue(t){if(Object.keys(this.states).length)return{current:t||this.initialStateValue,states:N(this.states,(e,i)=>{if(!t)return e.historyValue();const n=F(t)?void 0:t[i];return e.historyValue(n||e.initialStateValue)},t=>!t.history)}}resolveHistory(t){if("history"!==this.type)return[this];const e=this.parent;if(!t){const t=this.target;return t?P($(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 F(i)?[e.getStateNode(i)]:P($(i).map(t=>"deep"===this.history?e.getFromRelativePath(t):[e.states[t[0]]]))}get stateIds(){const t=P(Object.keys(this.states).map(t=>this.states[t].stateIds));return[this.id].concat(t)}get events(){if(this.__cache.events)return this.__cache.events;const{states:t}=this,e=new Set(this.ownEvents);if(t)for(const i of Object.keys(t)){const n=t[i];if(n.states)for(const t of n.events)e.add(""+t)}return this.__cache.events=Array.from(e)}get ownEvents(){const t=new Set(this.transitions.filter(t=>!(!t.target&&!t.actions.length&&t.internal)).map(t=>t.eventType));return Array.from(t)}resolveTarget(t){if(void 0!==t)return t.map(t=>{if(!F(t))return t;const e=t[0]===this.delimiter;if(e&&!this.parent)return this.getStateNodeByPath(t.slice(1));const i=e?this.key+t:t;if(!this.parent)return this.getStateNodeByPath(i);try{return this.parent.getStateNodeByPath(i)}catch(t){throw new Error(`Invalid transition definition for state node '${this.id}':\n${t.message}`)}})}formatTransition(t){const e=function(t){if(void 0!==t&&""!==t)return I(t)}(t.target),i="internal"in t?t.internal:!e||e.some(t=>F(t)&&t[0]===this.delimiter),{guards:n}=this.machine.options,s=this.resolveTarget(e),o=Object.assign(Object.assign({},t),{actions:it(I(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=Et(e,[i+""]);t=P(Object.keys(o).map(t=>G(t,o[t])).concat(G("*",s)))}else t=[];const e=this.config.always?G("",this.config.always):[],i=this.config.onDone?G(String(vt(this.id)),this.config.onDone):[],n=P(this.invoke.map(t=>{const e=[];return t.onDone&&e.push(...G(String(yt(t.id)),t.onDone)),t.onError&&e.push(...G(String(mt(t.id)),t.onError)),e})),s=this.after,o=P([...i,...n,...t,...e].map(t=>I(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))w(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,sendParent:ue,sendUpdate:de,forwardTo:le,doneInvoke:fe}=St;export{t as ActionTypes,Gt as Interpreter,Ht as InterpreterStatus,ie as Machine,e as SpecialTargets,Dt as State,ee as StateNode,St as actions,ce as assign,ne as createMachine,re as createSchema,fe as doneInvoke,le as forwardTo,Qt as interpret,se as mapState,oe as matchState,w as matchesState,he as send,ue as sendParent,de as sendUpdate,Kt as spawn,qt as spawnBehavior,ae as t,_t as toActorRef,X as toEventObject,W as toObserver,H as toSCXMLEvent};
|