xstate - npm Package Compare versions
Comparing version 4.0.0-9 to 4.0.0-10
@@ -1,1 +0,1 @@ | ||
| !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.xstateGraph={})}(this,function(t){"use strict";var e=function(){return(e=Object.assign||function(t){for(var e,r=1,n=arguments.length;r<n;r++)for(var i in e=arguments[r])Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i]);return t}).apply(this,arguments)};function r(t,e){var r={};for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&e.indexOf(n)<0&&(r[n]=t[n]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var i=0;for(n=Object.getOwnPropertySymbols(t);i<n.length;i++)e.indexOf(n[i])<0&&(r[n[i]]=t[n[i]])}return r}function n(t){var e="function"==typeof Symbol&&t[Symbol.iterator],r=0;return e?e.call(t):{next:function(){return t&&r>=t.length&&(t=void 0),{value:t&&t[r++],done:!t}}}}function i(t,e){var r="function"==typeof Symbol&&t[Symbol.iterator];if(!r)return t;var n,i,a=r.call(t),o=[];try{for(;(void 0===e||e-- 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i&&w(n[t],i[t])})}!function(t){t.Start="xstate.start",t.Stop="xstate.stop",t.Raise="xstate.raise",t.Send="xstate.send",t.Cancel="xstate.cancel",t.Null="",t.Assign="xstate.assign",t.After="xstate.after",t.DoneState="done.state",t.Log="xstate.log",t.Init="xstate.init"}(m||(m={}));m.Start,m.Stop;var j=m.Raise,E=m.Send,N=m.Cancel,k=m.Null,A=m.Assign;m.After,m.DoneState,m.Log,m.Init;function P(t){return"string"==typeof t||"number"==typeof t?{type:t}:t}function V(t,e){if(e){var r=e[t];if(r)return"function"==typeof r?r:r.exec}}var _=function(t,r){var n;if("string"==typeof t||"number"==typeof t)n={type:t,exec:V(t,r)};else{if("function"!=typeof t){var i=V(t.type,r);return i?e({},t,{exec:i}):t}n={type:t.name,exec:t}}return Object.defineProperty(n,"toString",{value:function(){return n.type},enumerable:!1}),n};function T(t){var r=_(t);return e({},r,{type:r.type,start:r.start?_(r.start):r.exec?_(r.exec):void 0,stop:r.stop?_(r.stop):void 0})}function J(t){return{type:j,event:t}}function R(t){var e=T(t);return{type:m.Start,activity:e,exec:e.start?e.start.exec:void 0}}function C(t,e){var r=e?"#"+e:"";return m.After+"("+t+")"+r}function M(t){return m.DoneState+"."+t}var I=function(){function t(e,r){var n;if(this.stateNode=e,r)if("string"==typeof r){var i=e.getStateNode(r);this.done="final"===i.type,this.value=((n={})[r]=new t(i,"compound"===i.type||"parallel"===i.type?i.initialState.value:void 0),n)}else{var a=v(r,function(r,n){return new t(e.getStateNode(n),r)});this.value=a,this.done=Object.keys(a).every(function(t){return a[t].done})}else this.done="final"===e.type,this.value=void 0}return Object.defineProperty(t.prototype,"stateValue",{get:function(){if("atomic"===this.stateNode.type||"final"===this.stateNode.type)return{};if("parallel"===this.stateNode.type)return v(this.value,function(t){return t.stateValue});if("compound"===this.stateNode.type){var t=this.value[Object.keys(this.value)[0]].stateNode;return"atomic"===t.type?t.key:v(this.value,function(t){return 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s=i.entry,u=i.exit;return{entry:new Set(a(Array.from(t.entry),Array.from(s))),exit:new Set(a(Array.from(t.exit),Array.from(u)))}},{entry:new Set,exit:new Set}),actions:b(Object.keys(o).map(function(t){return o[t].actions})),paths:S(p)}},t.prototype._transition=function(t,e,r,n){return"string"==typeof t?this.transitionLeafNode(t,e,r,n):1===Object.keys(t).length?this.transitionCompoundNode(t,e,r,n):this.transitionParallelNode(t,e,r,n)},t.prototype.next=function(t,e,r){var i,o,s=this,u=e.type,c=this.on[u],f=this.transient?[{type:k}]:[];if(!c||!c.length)return{value:void 0,tree:void 0,source:t,entryExitStates:void 0,actions:f,paths:[]};var h,y=[];try{for(var v=n(c),p=v.next();!p.done;p=v.next()){var g=p.value,m=g,S=m.cond,j=m.in,E=r||H,N=!j||w(l(j,this.delimiter),d(this.path.slice(0,-2))(t.value));if((!S||this.evaluateCond(S,E,e,t.value))&&N){y=O(g.target),f.push.apply(f,a(O(g.actions))),h=g;break}}}catch(t){i={error:t}}finally{try{p&&!p.done&&(o=v.return)&&o.call(v)}finally{if(i)throw 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e=this.parent;e;){if(e===t)return!1;e=e.parent}return!0},t.prototype.evaluateCond=function(t,e,r,n){var i,a=this.machine.options.guards;if("string"==typeof t){if(!a||!a[t])throw new Error("Condition '"+t+"' is not implemented on machine '"+this.machine.id+"'.");i=a[t]}else i=t;return i(e,r,n)},Object.defineProperty(t.prototype,"delays",{get:function(){var t=this;return Array.from(new Set(this.after.map(function(t){return t.delay}))).map(function(e){return{id:t.id,delay:e}})},enumerable:!0,configurable:!0}),t.prototype.getActions=function(t,e,r){var n=this;void 0===r&&(r=!1);var i=new Set,o=t.tree?t.tree.getEntryExitStates(this.getStateTree(e.value),t.entryExitStates?t.entryExitStates.entry:void 0):{entry:[],exit:[]};r&&(o.exit=[]);var s={entry:o?b(Array.from(new Set(o.entry)).map(function(e){if("final"===e.type){var r=t.tree;i.add(M(e.id));var n=e.parent?e.parent.parent:void 0;if(n){var o=g(n.path,"value")(r);o.done&&i.add(M(o.stateNode.id))}}return a(e.onEntry,e.activities.map(function(t){return R(t)}),e.delays.map(function(t){var e,r,n=t.delay,i=t.id;return e=C(n,i),r={delay:n},{type:E,event:P(e),delay:r?r.delay:void 0,id:r&&void 0!==r.id?r.id:c(e)}}))})).concat(Array.from(i).map(J)):[],exit:o?b(Array.from(new Set(o.exit)).map(function(t){return a(t.onExit,t.activities.map(function(t){return function(t){var e=T(t);return{type:m.Stop,activity:e,exec:e.stop?e.stop.exec:void 0}}(t)}),t.delays.map(function(t){var e,r=t.delay,n=t.id;return e=C(r,n),{type:N,sendId:e}}))})):[]};return s.exit.concat(t.actions).concat(s.entry).map(function(t){return"string"==typeof t?n.resolveAction(t):t})},t.prototype.resolveAction=function(t){var e=this.machine.options.actions;return(e?e[t]:t)||t},t.prototype.resolveActivity=function(t){var r=this.machine.options.activities;return"string"==typeof t?T(r?e({type:t},r[t]):t):t},t.prototype.getActivities=function(t,r){if(!t)return H;var n=e({},r);return 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i=t;return i(e,r,n)},Object.defineProperty(t.prototype,"delays",{get:function(){var t=this;return Array.from(new Set(this.after.map(function(t){return t.delay}))).map(function(e){return{id:t.id,delay:e}})},enumerable:!0,configurable:!0}),t.prototype.getActions=function(t,e,r){var n=this;void 0===r&&(r=!1);var i=new Set,o=t.tree?t.tree.resolved.getEntryExitStates(this.getStateTree(e.value),t.entryExitStates?t.entryExitStates.entry:void 0):{entry:[],exit:[]};r&&(o.exit=[]);var s={entry:o?b(Array.from(new Set(o.entry)).map(function(e){if("final"===e.type){var r=t.tree;i.add(R(e.id));var n=e.parent?e.parent.parent:void 0;if(n){var o=g(n.path,"value")(r);o.done&&i.add(R(o.stateNode.id))}}return a(e.onEntry,e.activities.map(function(t){return J(t)}),e.delays.map(function(t){var e,r,n=t.delay,i=t.id;return e=T(n,i),r={delay:n},{type:j,event:A(e),delay:r?r.delay:void 0,id:r&&void 0!==r.id?r.id:c(e)}}))})).concat(Array.from(i).map(C)):[],exit:o?b(Array.from(new 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r=e.assignment,i={};return"function"==typeof r?i=r(t,n||{type:m.Init}):Object.keys(r).forEach(function(e){var a=r[e];i[e]="function"==typeof a?a(t,n):a}),Object.assign({},t,i)},r.context):r.context,g=s?this.getStateNodes(s):[];g.some(function(t){return t.transient})&&y.push({type:E});var S,b,x=a([this],g).reduce(function(t,e){return void 0!==e.data&&(t[e.id]=e.data),t},{}),O=s?new u(s,d,c?t.updateHistoryValue(c,s):void 0,e.source?r:void 0,(S=p,b=this.options.actions,S?(Array.isArray(S)?S:[S]).map(function(t){return V(t,b)}):[]),l,x,y):void 0;if(!O)return u.inert(r,d);r.history&&delete r.history.history;for(var j=O;y.length;){var N=j.actions,A=y.shift();(o=(j=this.transition(j,A.type===E?F:A.event,j.context)).actions).unshift.apply(o,a(N))}return j},t.prototype.ensureValidPaths=function(t){var e,r,i=this,a=new Map,o=b(t.map(function(t){return i.getRelativeStateNodes(t)}));try{t:for(var s=n(o),u=s.next();!u.done;u=s.next())for(var 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this.states[n].getFromRelativePath(a,e)},t.updateHistoryValue=function(t,e){return{current:e,states:function t(e,r){return p(e.states,function(e,n){if(e){var i=("string"==typeof r?void 0:r[n])||(e?e.current:void 0);if(i)return{current:i,states:t(e,i)}}})}(t,e)}},t.prototype.historyValue=function(t){if(Object.keys(this.states).length)return{current:t||this.initialStateValue,states:v(this.states,function(e,r){if(!t)return e.historyValue();var n="string"==typeof t?void 0:t[r];return e.historyValue(n||e.initialStateValue)},function(t){return!t.history})}},t.prototype.resolveHistory=function(t){var e=this;if(!this.history)return[this];var r=this.parent;if(!t)return this.target?b(S(this.target).map(function(t){return r.getFromRelativePath(t)})):this.parent.initialStateNodes;var n=g(r.path,"states")(t).current;return"string"==typeof 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| !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.xstateInterpreter={})}(this,function(t){"use strict";var e,r=function(){return(r=Object.assign||function(t){for(var e,r=1,n=arguments.length;r<n;r++)for(var i in e=arguments[r])Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i]);return t}).apply(this,arguments)};function n(t){var e="function"==typeof Symbol&&t[Symbol.iterator],r=0;return e?e.call(t):{next:function(){return t&&r>=t.length&&(t=void 0),{value:t&&t[r++],done:!t}}}}function i(t,e){var r="function"==typeof Symbol&&t[Symbol.iterator];if(!r)return t;var n,i,o=r.call(t),a=[];try{for(;(void 0===e||e-- >0)&&!(n=o.next()).done;)a.push(n.value)}catch(t){i={error:t}}finally{try{n&&!n.done&&(r=o.return)&&r.call(o)}finally{if(i)throw i.error}}return a}function o(){for(var t=[],e=0;e<arguments.length;e++)t=t.concat(i(arguments[e]));return t}!function(t){t.Start="xstate.start",t.Stop="xstate.stop",t.Raise="xstate.raise",t.Send="xstate.send",t.Cancel="xstate.cancel",t.Null="",t.Assign="xstate.assign",t.After="xstate.after",t.DoneState="done.state",t.Log="xstate.log",t.Init="xstate.init"}(e||(e={}));e.Start,e.Stop;var a=e.Raise,s=e.Send,u=e.Cancel,c=e.Null,h=e.Assign,f=(e.After,e.DoneState,e.Log),l=(e.Init,"."),p={};function y(t,e,r){void 0===r&&(r=l);var n=j(t,r),i=j(e,r);return"string"==typeof i?"string"==typeof n&&i===n:"string"==typeof n?n in i:Object.keys(n).every(function(t){return t in i&&y(n[t],i[t])})}var v=function(){function t(e,r){var n;if(this.stateNode=e,r)if("string"==typeof r){var i=e.getStateNode(r);this.done="final"===i.type,this.value=((n={})[r]=new t(i,"compound"===i.type||"parallel"===i.type?i.initialState.value:void 0),n)}else{var o=k(r,function(r,n){return new t(e.getStateNode(n),r)});this.value=o,this.done=Object.keys(o).every(function(t){return o[t].done})}else 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a.resolveActivity(t)})}Object.defineProperty(t.prototype,"definition",{get:function(){return{id:this.id,key:this.key,type:this.type,initial:this.initial,history:this.history,states:k(this.states,function(t){return t.definition}),on:this.on,onEntry:this.onEntry,onExit:this.onExit,after:this.after,activities:this.activities||S,data:this.data,order:this.order||-1}},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"config",{get:function(){var t=this._config;t.parent;return function(t,e){var r={};for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&e.indexOf(n)<0&&(r[n]=t[n]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var i=0;for(n=Object.getOwnPropertySymbols(t);i<n.length;i++)e.indexOf(n[i])<0&&(r[n[i]]=t[n[i]])}return r}(t,["parent"])},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"on",{get:function(){return this.formatTransitions()},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"after",{get:function(){var t=this,e=this.config.after;if(!e)return S;if(Array.isArray(e))return e.map(function(e){return r({event:U(e.delay,t.id)},e,{actions:I(e.actions)})});var n=C(Object.keys(e).map(function(n){var i=e[n],o=+n,a=U(o,t.id);return"string"==typeof i?[{target:i,delay:o,event:a,actions:[]}]:I(i).map(function(t){return r({event:a,delay:o},t,{actions:I(t.actions)})})}));return n.sort(function(t,e){return t.delay-e.delay}),n},enumerable:!0,configurable:!0}),t.prototype.getStateNodes=function(t){var e,r=this;if(!t)return[];var n=t instanceof w?t.value:j(t,this.delimiter);if("string"==typeof n){var i=this.getStateNode(n).initial;return i?this.getStateNodes(((e={})[n]=i,e)):[this.states[n]]}var o=Object.keys(n);return o.map(function(t){return r.getStateNode(t)}).concat(o.reduce(function(t,e){var i=r.getStateNode(e).getStateNodes(n[e]);return t.concat(i)},[]))},t.prototype.handles=function(t){var e=E(t);return-1!==this.events.indexOf(e)},t.prototype.transitionLeafNode=function(t,e,r,n){var i=this.getStateNode(t),a=i.next(e,r,n);if(!a.value){var s=this.next(e,r,n),u=s.value,c=s.entryExitStates,h=s.actions,f=s.paths;return{value:u,tree:u?this.machine.getStateTree(u):void 0,source:e,entryExitStates:{entry:c?c.entry:new Set,exit:new Set(o([i],c?Array.from(c.exit):[]))},actions:h,paths:f}}return a},t.prototype.transitionCompoundNode=function(t,e,r,n){var i=Object.keys(t),a=this.getStateNode(i[0]),s=a._transition(t[i[0]],e,r,n);if(!s.value){var u=this.next(e,r,n),c=u.value,h=u.entryExitStates,f=u.actions,l=u.paths;return{value:c,tree:c?this.machine.getStateTree(c):void 0,source:e,entryExitStates:{entry:h?h.entry:new Set,exit:new Set(o(s.entryExitStates?Array.from(s.entryExitStates.exit):[],[a],h?Array.from(h.exit):[]))},actions:f,paths:l}}return s},t.prototype.transitionParallelNode=function(t,e,r,n){var i=this,a={};if(Object.keys(t).forEach(function(o){var s=t[o];if(s){var u=i.getStateNode(o)._transition(s,e,r,n);u.value,a[o]=u}}),!Object.keys(a).some(function(t){return void 0!==a[t].value})){var s=this.next(e,r,n),u=s.value,c=s.entryExitStates,h=s.actions,f=s.paths;return{value:u,tree:u?this.machine.getStateTree(u):void 0,source:e,entryExitStates:{entry:c?c.entry:new Set,exit:new Set(o(Object.keys(this.states).map(function(t){return i.states[t]}),c?Array.from(c.exit):[]))},actions:h,paths:f}}var l=C(Object.keys(a).map(function(t){return a[t].paths}));if(1===l.length&&!y(N(this.path),N(l[0])))return{value:u=this.machine.resolve(_(l)),tree:u?this.machine.getStateTree(u):void 0,source:e,entryExitStates:Object.keys(a).map(function(t){return a[t].entryExitStates}).reduce(function(t,e){var r=e,n=r.entry,i=r.exit;return{entry:new Set(o(Array.from(t.entry),Array.from(n))),exit:new Set(o(Array.from(t.exit),Array.from(i)))}},{entry:new Set,exit:new Set}),actions:C(Object.keys(a).map(function(t){return a[t].actions})),paths:l};var p=C(Object.keys(a).map(function(t){var r=a[t].value||e.value;return V(P(i.path)(r)[t]).map(function(e){return i.path.concat(t,e)})})),v=this.machine.resolve(_(p));return{value:v,tree:v?this.machine.getStateTree(v):void 0,source:e,entryExitStates:Object.keys(a).reduce(function(t,e){var r=a[e],n=r.value,i=r.entryExitStates;if(!n||!i)return t;var s=i.entry,u=i.exit;return{entry:new Set(o(Array.from(t.entry),Array.from(s))),exit:new Set(o(Array.from(t.exit),Array.from(u)))}},{entry:new Set,exit:new Set}),actions:C(Object.keys(a).map(function(t){return a[t].actions})),paths:V(v)}},t.prototype._transition=function(t,e,r,n){return"string"==typeof t?this.transitionLeafNode(t,e,r,n):1===Object.keys(t).length?this.transitionCompoundNode(t,e,r,n):this.transitionParallelNode(t,e,r,n)},t.prototype.next=function(t,e,r){var i,a,s=this,u=e.type,h=this.on[u],f=this.transient?[{type:c}]:[];if(!h||!h.length)return{value:void 0,tree:void 0,source:t,entryExitStates:void 0,actions:f,paths:[]};var l,p=[];try{for(var v=n(h),d=v.next();!d.done;d=v.next()){var g=d.value,S=g,x=S.cond,b=S.in,w=r||m,E=!b||y(j(b,this.delimiter),P(this.path.slice(0,-2))(t.value));if((!x||this.evaluateCond(x,w,e,t.value))&&E){p=I(g.target),f.push.apply(f,o(I(g.actions))),l=g;break}}}catch(t){i={error:t}}finally{try{d&&!d.done&&(a=v.return)&&a.call(v)}finally{if(i)throw i.error}}if(l&&0===p.length)return{value:t.value,tree:t.value?this.machine.getStateTree(t.value):void 0,source:t,entryExitStates:void 0,actions:f,paths:[]};if(!l&&0===p.length)return{value:void 0,tree:void 0,source:t,entryExitStates:void 0,actions:f,paths:[]};var O=C(p.map(function(e){return s.getRelativeStateNodes(e,t.historyValue)})),N=O.map(function(t){return t.path}),k=!!l.internal?[]:C(O.map(function(t){return s.nodesFromChild(t)})),A={entry:new Set(k),exit:new Set(k)},T=this.machine.resolve(_(C(p.map(function(e){return s.getRelativeStateNodes(e,t.historyValue).map(function(t){return t.path})}))));return{value:T,tree:T?this.machine.getStateTree(T):void 0,source:t,entryExitStates:A,actions:f,paths:N}},t.prototype.nodesFromChild=function(t){if(t.escapes(this))return[];for(var e=[],r=t;r&&r!==this;)e.push(r),r=r.parent;return e.push(this),e},t.prototype.getStateTree=function(t){return new v(this,t)},t.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},t.prototype.evaluateCond=function(t,e,r,n){var i,o=this.machine.options.guards;if("string"==typeof t){if(!o||!o[t])throw new Error("Condition '"+t+"' is not implemented on machine '"+this.machine.id+"'.");i=o[t]}else i=t;return i(e,r,n)},Object.defineProperty(t.prototype,"delays",{get:function(){var t=this;return Array.from(new Set(this.after.map(function(t){return t.delay}))).map(function(e){return{id:t.id,delay:e}})},enumerable:!0,configurable:!0}),t.prototype.getActions=function(t,r,n){var i=this;void 0===n&&(n=!1);var a=new Set,u=t.tree?t.tree.getEntryExitStates(this.getStateTree(r.value),t.entryExitStates?t.entryExitStates.entry:void 0):{entry:[],exit:[]};n&&(u.exit=[]);var c={entry:u?C(Array.from(new Set(u.entry)).map(function(e){if("final"===e.type){var r=t.tree;a.add(D(e.id));var n=e.parent?e.parent.parent:void 0;if(n){var i=T(n.path,"value")(r);i.done&&a.add(D(i.stateNode.id))}}return o(e.onEntry,e.activities.map(function(t){return z(t)}),e.delays.map(function(t){var e,r,n=t.delay,i=t.id;return e=U(n,i),r={delay:n},{type:s,event:M(e),delay:r?r.delay:void 0,id:r&&void 0!==r.id?r.id:E(e)}}))})).concat(Array.from(a).map(H)):[],exit:u?C(Array.from(new Set(u.exit)).map(function(t){return o(t.onExit,t.activities.map(function(t){return function(t){var r=F(t);return{type:e.Stop,activity:r,exec:r.stop?r.stop.exec:void 0}}(t)}),t.delays.map(function(t){var e=t.delay,r=t.id;return Q(U(e,r))}))})):[]};return c.exit.concat(t.actions).concat(c.entry).map(function(t){return"string"==typeof t?i.resolveAction(t):t})},t.prototype.resolveAction=function(t){var e=this.machine.options.actions;return(e?e[t]:t)||t},t.prototype.resolveActivity=function(t){var e=this.machine.options.activities;return"string"==typeof t?F(e?r({type:t},e[t]):t):t},t.prototype.getActivities=function(t,e){if(!t)return m;var n=r({},e);return Array.from(t.exit).forEach(function(t){t.activities&&t.activities.forEach(function(t){n[t.type]=!1})}),Array.from(t.entry).forEach(function(t){t.activities&&t.activities.forEach(function(t){n[t.type]=!0})}),n},t.prototype.transition=function(t,e,r){var n="string"==typeof t?this.resolve(N(this.getResolvedPath(t))):t instanceof w?t:this.resolve(t),i=r||(t instanceof w?t.context:void 0),o=M(e),a=o.type;if(this.strict&&-1===this.events.indexOf(a))throw new Error("Machine '"+this.id+"' does not accept event '"+a+"'");var s=w.from(n,i),u=this._transition(s.value,s,o,i);return this.resolveTransition(u,s,o)},t.prototype.resolveTransition=function(r,n,i,s){var u;void 0===s&&(s=!1);var f=n.historyValue?n.historyValue:r.source?this.machine.historyValue(n.value):void 0,l=this.getActions(r,n,s),p=r.tree?r.tree.getEntryExitStates(this.getStateTree(n.value)):{entry:[],exit:[]},y=r.tree?this.getActivities({entry:new Set(p.entry),exit:new Set(p.exit)},n.activities):{},v=l.filter(function(t){return"object"==typeof t&&(t.type===a||t.type===c)}),d=l.filter(function(t){return"object"!=typeof t||t.type!==a&&t.type!==c&&t.type!==h}),m=l.filter(function(t){return"object"==typeof t&&t.type===h}),S=n.context?m.reduce(function(t,r){var n=r.assignment,o={};return"function"==typeof n?o=n(t,i||{type:e.Init}):Object.keys(n).forEach(function(e){var r=n[e];o[e]="function"==typeof r?r(t,i):r}),Object.assign({},t,o)},n.context):n.context,x=r.value?this.getStateNodes(r.value):[];x.some(function(t){return t.transient})&&v.push({type:c});var b=o([this],x).reduce(function(t,e){return void 0!==e.data&&(t[e.id]=e.data),t},{}),E=r.value?new w(r.value,S,f?t.updateHistoryValue(f,r.value):void 0,r.source?n:void 0,B(d,this.options.actions),y,b,v):void 0;if(!E)return w.inert(n,S);n.history&&delete n.history.history;for(var O=E;v.length;){var j=O.actions,N=v.shift();(u=(O=this.transition(O,N.type===c?g:N.event,O.context)).actions).unshift.apply(u,o(j))}return O},t.prototype.ensureValidPaths=function(t){var e,r,i=this,o=new Map,a=C(t.map(function(t){return i.getRelativeStateNodes(t)}));try{t:for(var s=n(a),u=s.next();!u.done;u=s.next())for(var c=u.value,h=c;h.parent;){if(o.has(h.parent)){if("parallel"===h.parent.type)continue t;throw new Error("State node '"+c.id+"' shares parent '"+h.parent.id+"' with state node '"+o.get(h.parent).map(function(t){return t.id})+"'")}o.get(h.parent)?o.get(h.parent).push(c):o.set(h.parent,[c]),h=h.parent}}catch(t){e={error:t}}finally{try{u&&!u.done&&(r=s.return)&&r.call(s)}finally{if(e)throw e.error}}},t.prototype.getStateNode=function(t){if(x(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},t.prototype.getStateNodeById=function(t){var e=x(t)?t.slice("#".length):t;if(e===this.id)return this;var r=this.machine.idMap[e];if(!r)throw new Error("Substate '#"+e+"' does not exist on '"+this.id+"'");return r},t.prototype.getStateNodeByPath=function(t){for(var e=O(t,this.delimiter),r=this;e.length;){var n=e.shift();r=r.getStateNode(n)}return r},t.prototype.resolve=function(t){var e,r=this;if("string"==typeof t){var n=this.getStateNode(t);return n.initial?((e={})[t]=n.initialStateValue,e):t}return"parallel"===this.type?k(this.initialStateValue,function(e,n){return e?r.getStateNode(n).resolve(t[n]||e):m}):k(t,function(t,e){return t?r.getStateNode(e).resolve(t):m})},Object.defineProperty(t.prototype,"resolvedStateValue",{get:function(){var t,e,r=this.key;return"parallel"===this.type?((t={})[r]=A(this.states,function(t){return t.resolvedStateValue[t.key]},function(t){return!t.history}),t):this.initial?((e={})[r]=this.states[this.initial].resolvedStateValue,e):r},enumerable:!0,configurable:!0}),t.prototype.getResolvedPath=function(t){if(x(t)){var e=this.machine.idMap[t.slice("#".length)];if(!e)throw new Error("Unable to find state node '"+t+"'");return e.path}return O(t,this.delimiter)},Object.defineProperty(t.prototype,"initialStateValue",{get:function(){if(this.__cache.initialState)return this.__cache.initialState;var t="parallel"===this.type?A(this.states,function(t){return t.initialStateValue||m},function(t){return!t.history}):"string"==typeof this.resolvedStateValue?void 0:this.resolvedStateValue[this.key];return this.__cache.initialState=t,this.__cache.initialState},enumerable:!0,configurable:!0}),t.prototype.getState=function(t,e){void 0===e&&(e=this.machine.context);var r={},n=[];this.getStateNodes(t).forEach(function(t){t.onEntry&&n.push.apply(n,o(t.onEntry)),t.activities&&t.activities.forEach(function(t){r[E(t)]=!0,n.push(z(t))})});var i=n.filter(function(t){return"object"==typeof t&&t.type===h}),a=e?i.reduce(function(t,e){var r=e.assignment,n={};return"function"==typeof r?n=r(t,{type:"init"}):Object.keys(r).forEach(function(e){var i=r[e];n[e]="function"==typeof i?i(t,{type:"init"}):i}),Object.assign({},t,n)},e):e;return new w(t,a,void 0,void 0,void 0,r,void 0,[])},Object.defineProperty(t.prototype,"initialState",{get:function(){var t=this.initialStateValue;if(!t)throw new Error("Cannot retrieve initial state from simple state '"+this.id+"'.");var e=this.getState(t);return this.resolveTransition({value:t,tree:this.getStateTree(t),source:void 0,entryExitStates:{entry:new Set(this.getStateNodes(t)),exit:new Set},actions:[],paths:[]},e,void 0,!0)},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"target",{get:function(){var t;if(this.history){var e=this.config;t=e.target&&"string"==typeof e.target&&x(e.target)?N(this.machine.getStateNodeById(e.target).path.slice(this.path.length-1)):e.target}return t},enumerable:!0,configurable:!0}),t.prototype.getStates=function(t){var e=this;if("string"==typeof t)return[this.states[t]];var r=[];return Object.keys(t).forEach(function(n){r.push.apply(r,o(e.states[n].getStates(t[n])))}),r},t.prototype.getRelativeStateNodes=function(t,e,r){if(void 0===r&&(r=!0),"string"==typeof t&&x(t)){var n=this.getStateNodeById(t);return r?n.history?n.resolveHistory(e):n.initialStateNodes:[n]}var i=O(t,this.delimiter),o=(this.parent||this).getFromRelativePath(i,e);return r?C(o.map(function(t){return t.initialStateNodes})):o},Object.defineProperty(t.prototype,"initialStateNodes",{get:function(){var t=this;if("atomic"===this.type||"final"===this.type)return[this];if("compound"===this.type&&!this.initial)return[this];var e=this.initialStateValue;return C(V(e).map(function(e){return t.getFromRelativePath(e)}))},enumerable:!0,configurable:!0}),t.prototype.getFromRelativePath=function(t,e){if(!t.length)return[this];var r=i(t),n=r[0],o=r.slice(1);if(!this.states)throw new Error("Cannot retrieve subPath '"+n+"' from node with no states");var a=this.getStateNode(n);if(a.history)return a.resolveHistory(e);if(!this.states[n])throw new Error("Child state '"+n+"' does not exist on '"+this.id+"'");return this.states[n].getFromRelativePath(o,e)},t.updateHistoryValue=function(t,e){return{current:e,states:function t(e,r){return k(e.states,function(e,n){if(e){var i=("string"==typeof r?void 0:r[n])||(e?e.current:void 0);if(i)return{current:i,states:t(e,i)}}})}(t,e)}},t.prototype.historyValue=function(t){if(Object.keys(this.states).length)return{current:t||this.initialStateValue,states:A(this.states,function(e,r){if(!t)return e.historyValue();var n="string"==typeof t?void 0:t[r];return e.historyValue(n||e.initialStateValue)},function(t){return!t.history})}},t.prototype.resolveHistory=function(t){var e=this;if(!this.history)return[this];var r=this.parent;if(!t)return this.target?C(V(this.target).map(function(t){return r.getFromRelativePath(t)})):this.parent.initialStateNodes;var n=T(r.path,"states")(t).current;return"string"==typeof n?[r.getStateNode(n)]:C(V(n).map(function(t){return"deep"===e.history?r.getFromRelativePath(t):[r.states[t[0]]]}))},Object.defineProperty(t.prototype,"stateIds",{get:function(){var t=this,e=C(Object.keys(this.states).map(function(e){return t.states[e].stateIds}));return[this.id].concat(e)},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"events",{get:function(){if(this.__cache.events)return this.__cache.events;var t=this.states,e=new Set(Object.keys(this.on));return t&&Object.keys(t).forEach(function(r){var i,o,a=t[r];if(a.states)try{for(var s=n(a.events),u=s.next();!u.done;u=s.next()){var c=u.value;e.add(""+c)}}catch(t){i={error:t}}finally{try{u&&!u.done&&(o=s.return)&&o.call(s)}finally{if(i)throw i.error}}}),this.__cache.events=Array.from(e)},enumerable:!0,configurable:!0}),t.prototype.formatTransition=function(t,e,n){var i=this,o=!!e&&e.internal;if(void 0===t||""===t)return r({},e,{actions:e?I(e.actions):[],target:void 0,internal:!e||(void 0===e.internal||e.internal),event:n});var a=I(t).map(function(t){var e="string"==typeof t&&t[0]===i.delimiter;return o=o||e,e&&!i.parent?t.slice(1):e?i.key+t:t});return r({},e,{actions:e?I(e.actions):[],target:a,internal:o,event:n})},t.prototype.formatTransitions=function(){var t=this,e=this.config.on||m,r=this.after,n=k(e,function(e,r){return void 0===e?[{target:void 0,event:r,actions:[]}]:Array.isArray(e)?e.map(function(e){return t.formatTransition(e.target,e,r)}):"string"==typeof e?[t.formatTransition([e],void 0,r)]:[t.formatTransition(e.target,e,r)]});return r.forEach(function(t){n[t.event]=n[t.event]||[],n[t.event].push(t)}),n}}(),function(){function t(t,e,r,n,i,o,a,s){void 0===i&&(i=[]),void 0===o&&(o=p),void 0===a&&(a={}),void 0===s&&(s=[]),this.value=t,this.context=e,this.historyValue=r,this.history=n,this.actions=i,this.activities=o,this.data=a,this.events=s}return t.from=function(e,r){return e instanceof t?e.context!==r?new t(e.value,r,e.historyValue,e.history,[],e.activities,{},[]):e:new t(e,r,void 0,void 0,[],void 0,void 0,[])},t.inert=function(e,r){return e instanceof t?e.actions.length?new 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Error("Cannot compare distinct trees");switch(this.stateNode.type){case"compound":var n={exit:[],entry:[]},o=Object.keys(this.value)[0],a=Object.keys(t.value)[0];return o!==a?(n.exit=t.value[a].getExitStates(),n.entry=this.value[o].getEntryStates()):n=this.value[o].getEntryExitStates(t.value[a],e),e&&e.has(this.stateNode)&&(n.exit.push(this.stateNode),n.entry.unshift(this.stateNode)),n;case"parallel":var s=Object.keys(this.value).map(function(n){return r.value[n].getEntryExitStates(t.value[n],e)}),u={exit:[],entry:[]};return s.forEach(function(t){u.exit=i(u.exit,t.exit),u.entry=i(u.entry,t.entry)}),e&&e.has(this.stateNode)&&(u.exit.push(this.stateNode),u.entry.unshift(this.stateNode)),u;case"atomic":default:return e&&e.has(this.stateNode)?{exit:[this.stateNode],entry:[this.stateNode]}:{exit:[],entry:[]}}},t.prototype.getEntryStates=function(){var t=this;return this.value?[this.stateNode].concat(m(Object.keys(this.value).map(function(e){return t.value[e].getEntryStates()}))):[this.stateNode]},t.prototype.getExitStates=function(){var t=this;return this.value?m(Object.keys(this.value).map(function(e){return t.value[e].getExitStates()})).concat(this.stateNode):[this.stateNode]},t}(),K=".",Q="",W={},X=[],Y=function(t){return"#"===t[0]},Z=function(){return{guards:W}},$=function(){function o(t,r,n){void 0===r&&(r=Z());var a=this;this._config=t,this.options=r,this.context=n,this.__cache={events:void 0,relativeValue:new Map,initialState:void 0},this.idMap={},this.key=t.key||t.id||"(machine)",this.type=t.type||(t.parallel?"parallel":t.states&&Object.keys(t.states).length?"compound":t.history?"history":"atomic"),this.parent=t.parent,this.machine=this.parent?this.parent.machine:this,this.path=this.parent?this.parent.path.concat(this.key):[],this.delimiter=t.delimiter||(this.parent?this.parent.delimiter:K),this.id=t.id||(this.machine?i([this.machine.key],this.path).join(this.delimiter):this.key),this.initial=t.initial,this.order=t.order||-1,this.states=t.states?y(t.states,function(t,r,n,i){var s,u=new o(e({},t,{key:r,order:void 0===t.order?t.order:i,parent:a}));return Object.assign(a.idMap,e(((s={})[u.id]=u,s),u.idMap)),u}):W,this.history=!0===t.history?"shallow":t.history||!1,this.transient=!(!t.on||!t.on[Q]),this.strict=!!t.strict,this.onEntry=b(t.onEntry),this.onExit=b(t.onExit),this.data=t.data,this.activities=b(t.activities).map(function(t){return a.resolveActivity(t)})}return Object.defineProperty(o.prototype,"definition",{get:function(){return{id:this.id,key:this.key,type:this.type,initial:this.initial,history:this.history,states:y(this.states,function(t){return t.definition}),on:this.on,onEntry:this.onEntry,onExit:this.onExit,after:this.after,activities:this.activities||X,data:this.data,order:this.order||-1}},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"config",{get:function(){var t=this._config;t.parent;return function(t,e){var r={};for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&e.indexOf(n)<0&&(r[n]=t[n]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var i=0;for(n=Object.getOwnPropertySymbols(t);i<n.length;i++)e.indexOf(n[i])<0&&(r[n[i]]=t[n[i]])}return r}(t,["parent"])},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"on",{get:function(){return this.formatTransitions()},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"after",{get:function(){var t=this,r=this.config.after;if(!r)return X;if(Array.isArray(r))return r.map(function(r){return e({event:U(r.delay,t.id)},r,{actions:b(r.actions)})});var n=m(Object.keys(r).map(function(n){var i=r[n],o=+n,a=U(o,t.id);return"string"==typeof i?[{target:i,delay:o,event:a,actions:[]}]:b(i).map(function(t){return e({event:a,delay:o},t,{actions:b(t.actions)})})}));return n.sort(function(t,e){return t.delay-e.delay}),n},enumerable:!0,configurable:!0}),o.prototype.getStateNodes=function(t){var e,r=this;if(!t)return[];var n=t instanceof s?t.value:f(t,this.delimiter);if("string"==typeof n){var i=this.getStateNode(n).initial;return i?this.getStateNodes(((e={})[n]=i,e)):[this.states[n]]}var o=Object.keys(n);return o.map(function(t){return r.getStateNode(t)}).concat(o.reduce(function(t,e){var i=r.getStateNode(e).getStateNodes(n[e]);return t.concat(i)},[]))},o.prototype.handles=function(t){var e=u(t);return-1!==this.events.indexOf(e)},o.prototype.transitionLeafNode=function(t,e,r,n){var o=this.getStateNode(t),a=o.next(e,r,n);if(!a.tree){var s=this.next(e,r,n),u=s.entryExitStates,c=s.actions;return{tree:s.tree,source:e,entryExitStates:{entry:u?u.entry:new Set,exit:new Set(i([o],u?Array.from(u.exit):[]))},actions:c}}return a},o.prototype.transitionCompoundNode=function(t,e,r,n){var o=Object.keys(t),a=this.getStateNode(o[0]),s=a._transition(t[o[0]],e,r,n);if(!s.tree){var u=this.next(e,r,n),c=u.entryExitStates,f=u.actions;return{tree:u.tree,source:e,entryExitStates:{entry:c?c.entry:new Set,exit:new Set(i(s.entryExitStates?Array.from(s.entryExitStates.exit):[],[a],c?Array.from(c.exit):[]))},actions:f}}return s},o.prototype.transitionParallelNode=function(t,e,r,n){var o=this,a={};if(Object.keys(t).forEach(function(i){var s=t[i];if(s){var u=o.getStateNode(i)._transition(s,e,r,n);u.tree,a[i]=u}}),!Object.keys(a).some(function(t){return void 0!==a[t].tree})){var s=this.next(e,r,n),u=s.entryExitStates,c=s.actions;return{tree:s.tree,source:e,entryExitStates:{entry:u?u.entry:new Set,exit:new Set(i(Object.keys(this.states).map(function(t){return o.states[t]}),u?Array.from(u.exit):[]))},actions:c}}var h=Object.keys(a).map(function(t){return a[t].tree}).filter(function(t){return void 0!==t}).reduce(function(t,e){return t.combine(e)});return 1!==h.paths.length||S(f(this.path,this.delimiter),h.stateValue)?{tree:Object.keys(a).map(function(t){var r=a[t],n=l(o.path)(r.tree?r.tree.stateValue:e.value||e.value)[t];return new J(o.getStateNode(t),n).absolute}).reduce(function(t,e){return t.combine(e)}),source:e,entryExitStates:Object.keys(a).reduce(function(t,e){var r=a[e],n=r.tree,o=r.entryExitStates;if(!n||!o)return t;var s=o.entry,u=o.exit;return{entry:new Set(i(Array.from(t.entry),Array.from(s))),exit:new Set(i(Array.from(t.exit),Array.from(u)))}},{entry:new Set,exit:new Set}),actions:m(Object.keys(a).map(function(t){return a[t].actions}))}:{tree:h,source:e,entryExitStates:Object.keys(a).map(function(t){return a[t].entryExitStates}).reduce(function(t,e){var r=e,n=r.entry,o=r.exit;return{entry:new Set(i(Array.from(t.entry),Array.from(n))),exit:new Set(i(Array.from(t.exit),Array.from(o)))}},{entry:new Set,exit:new Set}),actions:m(Object.keys(a).map(function(t){return a[t].actions}))}},o.prototype._transition=function(t,e,r,n){return"string"==typeof t?this.transitionLeafNode(t,e,r,n):1===Object.keys(t).length?this.transitionCompoundNode(t,e,r,n):this.transitionParallelNode(t,e,r,n)},o.prototype.next=function(t,e,n){var o,a,s=this,u=e.type,c=this.on[u],h=this.transient?[{type:N}]:[];if(!c||!c.length)return{tree:void 0,source:t,entryExitStates:void 0,actions:h};var y,p=[];try{for(var v=r(c),d=v.next();!d.done;d=v.next()){var g=d.value,x=g,j=x.cond,O=x.in,w=n||W,E=!O||S(f(O,this.delimiter),l(this.path.slice(0,-2))(t.value));if((!j||this.evaluateCond(j,w,e,t.value))&&E){p=b(g.target),h.push.apply(h,i(b(g.actions))),y=g;break}}}catch(t){o={error:t}}finally{try{d&&!d.done&&(a=v.return)&&a.call(v)}finally{if(o)throw o.error}}if(y&&0===p.length)return{tree:t.value?this.machine.getStateTree(t.value):void 0,source:t,entryExitStates:void 0,actions:h};if(!y&&0===p.length)return{tree:void 0,source:t,entryExitStates:void 0,actions:h};var A=m(p.map(function(e){return s.getRelativeStateNodes(e,t.historyValue)})),k=!!y.internal?[]:m(A.map(function(t){return s.nodesFromChild(t)})),V={entry:new Set(k),exit:new Set(k)};return{tree:A.map(function(t){return t.tree}).reduce(function(t,e){return t.combine(e)}),source:t,entryExitStates:V,actions:h}},Object.defineProperty(o.prototype,"tree",{get:function(){var t=f(this.path,this.delimiter);return new J(this.machine,t)},enumerable:!0,configurable:!0}),o.prototype.nodesFromChild=function(t){if(t.escapes(this))return[];for(var e=[],r=t;r&&r!==this;)e.push(r),r=r.parent;return e.push(this),e},o.prototype.getStateTree=function(t){return new J(this,t)},o.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},o.prototype.evaluateCond=function(t,e,r,n){var i,o=this.machine.options.guards;if("string"==typeof t){if(!o||!o[t])throw new Error("Condition '"+t+"' is not implemented on machine '"+this.machine.id+"'.");i=o[t]}else i=t;return i(e,r,n)},Object.defineProperty(o.prototype,"delays",{get:function(){var t=this;return Array.from(new Set(this.after.map(function(t){return t.delay}))).map(function(e){return{id:t.id,delay:e}})},enumerable:!0,configurable:!0}),o.prototype.getActions=function(t,e,r){var n=this;void 0===r&&(r=!1);var o=new Set,a=t.tree?t.tree.resolved.getEntryExitStates(this.getStateTree(e.value),t.entryExitStates?t.entryExitStates.entry:void 0):{entry:[],exit:[]};r&&(a.exit=[]);var s={entry:a?m(Array.from(new Set(a.entry)).map(function(e){if("final"===e.type){var r=t.tree;o.add(q(e.id));var n=e.parent?e.parent.parent:void 0;if(n){var a=v(n.path,"value")(r);a.done&&o.add(q(a.stateNode.id))}}return i(e.onEntry,e.activities.map(function(t){return L(t)}),e.delays.map(function(t){var e=t.delay;return H(U(e,t.id),{delay:e})}))})).concat(Array.from(o).map(B)):[],exit:a?m(Array.from(new Set(a.exit)).map(function(t){return i(t.onExit,t.activities.map(function(t){return z(t)}),t.delays.map(function(t){var e=t.delay,r=t.id;return D(U(e,r))}))})):[]};return s.exit.concat(t.actions).concat(s.entry).map(function(t){return"string"==typeof t?n.resolveAction(t):t})},o.prototype.resolveAction=function(t){var e=this.machine.options.actions;return(e?e[t]:t)||t},o.prototype.resolveActivity=function(t){var r=this.machine.options.activities;return"string"==typeof t?M(r?e({type:t},r[t]):t):t},o.prototype.getActivities=function(t,r){if(!t)return W;var n=e({},r);return Array.from(t.exit).forEach(function(t){t.activities&&t.activities.forEach(function(t){n[t.type]=!1})}),Array.from(t.entry).forEach(function(t){t.activities&&t.activities.forEach(function(t){n[t.type]=!0})}),n},o.prototype.transition=function(t,r,n){var i="string"==typeof t?this.resolve(h(this.getResolvedPath(t))):t instanceof s?t:this.resolve(t),o=n||(t instanceof s?t.context:void 0),a=C(r),u=a.type;if(this.strict&&-1===this.events.indexOf(u))throw new Error("Machine '"+this.id+"' does not accept event '"+u+"'");var c=s.from(i,o),f=this._transition(c.value,c,a,o),y=e({},f,{tree:f.tree?f.tree.resolved:void 0});return this.resolveTransition(y,c,a)},o.prototype.resolveTransition=function(e,r,n,a){var u;void 0===a&&(a=!1);var c=e.tree?e.tree.stateValue:void 0,f=r.historyValue?r.historyValue:e.source?this.machine.historyValue(r.value):void 0,h=this.getActions(e,r,a),y=e.tree?e.tree.getEntryExitStates(this.getStateTree(r.value)):{entry:[],exit:[]},p=e.tree?this.getActivities({entry:new Set(y.entry),exit:new Set(y.exit)},r.activities):{},l=h.filter(function(t){return"object"==typeof t&&(t.type===O||t.type===N)}),v=h.filter(function(t){return"object"!=typeof t||t.type!==O&&t.type!==N&&t.type!==A}),d=h.filter(function(t){return"object"==typeof t&&t.type===A}),g=r.context?d.reduce(function(e,r){var i=r.assignment,o={};return"function"==typeof i?o=i(e,n||{type:t.ActionTypes.Init}):Object.keys(i).forEach(function(t){var r=i[t];o[t]="function"==typeof r?r(e,n):r}),Object.assign({},e,o)},r.context):r.context,m=c?this.getStateNodes(c):[];m.some(function(t){return t.transient})&&l.push({type:N});var b=i([this],m).reduce(function(t,e){return void 0!==e.data&&(t[e.id]=e.data),t},{}),S=c?new s(c,g,f?o.updateHistoryValue(f,c):void 0,e.source?r:void 0,F(v,this.options.actions),p,b,l):void 0;if(!S)return s.inert(r,g);r.history&&delete r.history.history;for(var x=S;l.length;){var j=x.actions,w=l.shift();(u=(x=this.transition(x,w.type===N?Q:w.event,x.context)).actions).unshift.apply(u,i(j))}return x},o.prototype.ensureValidPaths=function(t){var e,n,i=this,o=new Map,a=m(t.map(function(t){return i.getRelativeStateNodes(t)}));try{t:for(var s=r(a),u=s.next();!u.done;u=s.next())for(var c=u.value,f=c;f.parent;){if(o.has(f.parent)){if("parallel"===f.parent.type)continue t;throw new Error("State node '"+c.id+"' shares parent '"+f.parent.id+"' with state node '"+o.get(f.parent).map(function(t){return t.id})+"'")}o.get(f.parent)?o.get(f.parent).push(c):o.set(f.parent,[c]),f=f.parent}}catch(t){e={error:t}}finally{try{u&&!u.done&&(n=s.return)&&n.call(s)}finally{if(e)throw e.error}}},o.prototype.getStateNode=function(t){if(Y(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},o.prototype.getStateNodeById=function(t){var e=Y(t)?t.slice("#".length):t;if(e===this.id)return this;var r=this.machine.idMap[e];if(!r)throw new Error("Substate '#"+e+"' does not exist on '"+this.id+"'");return r},o.prototype.getStateNodeByPath=function(t){for(var e=c(t,this.delimiter),r=this;e.length;){var n=e.shift();r=r.getStateNode(n)}return r},o.prototype.resolve=function(t){var e,r=this;if("string"==typeof t){var n=this.getStateNode(t);return"parallel"===n.type||"compound"===n.type?((e={})[t]=n.initialStateValue,e):t}return Object.keys(t).length?"parallel"===this.type?y(this.initialStateValue,function(e,n){return e?r.getStateNode(n).resolve(t[n]||e):W}):y(t,function(t,e){return t?r.getStateNode(e).resolve(t):W}):this.initialStateValue||{}},Object.defineProperty(o.prototype,"resolvedStateValue",{get:function(){var t,e,r=this.key;return"parallel"===this.type?((t={})[r]=p(this.states,function(t){return t.resolvedStateValue[t.key]},function(t){return!t.history}),t):this.initial?((e={})[r]=this.states[this.initial].resolvedStateValue,e):r},enumerable:!0,configurable:!0}),o.prototype.getResolvedPath=function(t){if(Y(t)){var e=this.machine.idMap[t.slice("#".length)];if(!e)throw new Error("Unable to find state node '"+t+"'");return e.path}return c(t,this.delimiter)},Object.defineProperty(o.prototype,"initialStateValue",{get:function(){if(this.__cache.initialState)return this.__cache.initialState;var t="parallel"===this.type?p(this.states,function(t){return t.initialStateValue||W},function(t){return!t.history}):"string"==typeof this.resolvedStateValue?void 0:this.resolvedStateValue[this.key];return this.__cache.initialState=t,this.__cache.initialState},enumerable:!0,configurable:!0}),o.prototype.getState=function(t,e){void 0===e&&(e=this.machine.context);var r={},n=[];this.getStateNodes(t).forEach(function(t){t.onEntry&&n.push.apply(n,i(t.onEntry)),t.activities&&t.activities.forEach(function(t){r[u(t)]=!0,n.push(L(t))})});var o=n.filter(function(t){return"object"==typeof t&&t.type===A}),a=e?o.reduce(function(t,e){var r=e.assignment,n={};return"function"==typeof r?n=r(t,{type:"init"}):Object.keys(r).forEach(function(e){var i=r[e];n[e]="function"==typeof i?i(t,{type:"init"}):i}),Object.assign({},t,n)},e):e;return new s(t,a,void 0,void 0,void 0,r,void 0,[])},Object.defineProperty(o.prototype,"initialState",{get:function(){var t=this.initialStateValue;if(!t)throw new Error("Cannot retrieve initial state from simple state '"+this.id+"'.");var e=this.getState(t);return this.resolveTransition({tree:this.getStateTree(t),source:void 0,entryExitStates:{entry:new Set(this.getStateNodes(t)),exit:new Set},actions:[]},e,void 0,!0)},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"target",{get:function(){var t;if(this.history){var e=this.config;t=e.target&&"string"==typeof e.target&&Y(e.target)?h(this.machine.getStateNodeById(e.target).path.slice(this.path.length-1)):e.target}return t},enumerable:!0,configurable:!0}),o.prototype.getStates=function(t){var e=this;if("string"==typeof t)return[this.states[t]];var r=[];return Object.keys(t).forEach(function(n){r.push.apply(r,i(e.states[n].getStates(t[n])))}),r},o.prototype.getRelativeStateNodes=function(t,e,r){if(void 0===r&&(r=!0),"string"==typeof t&&Y(t)){var n=this.getStateNodeById(t);return r?n.history?n.resolveHistory(e):n.initialStateNodes:[n]}var i=c(t,this.delimiter),o=(this.parent||this).getFromRelativePath(i,e);return r?m(o.map(function(t){return t.initialStateNodes})):o},Object.defineProperty(o.prototype,"initialStateNodes",{get:function(){var t=this;if("atomic"===this.type||"final"===this.type)return[this];if("compound"===this.type&&!this.initial)return[this];var e=this.initialStateValue;return m(g(e).map(function(e){return t.getFromRelativePath(e)}))},enumerable:!0,configurable:!0}),o.prototype.getFromRelativePath=function(t,e){if(!t.length)return[this];var r=n(t),i=r[0],o=r.slice(1);if(!this.states)throw new Error("Cannot retrieve subPath '"+i+"' from node with no states");var a=this.getStateNode(i);if(a.history)return a.resolveHistory(e);if(!this.states[i])throw new Error("Child state '"+i+"' does not exist on '"+this.id+"'");return this.states[i].getFromRelativePath(o,e)},o.updateHistoryValue=function(t,e){return{current:e,states:function t(e,r){return y(e.states,function(e,n){if(e){var i=("string"==typeof r?void 0:r[n])||(e?e.current:void 0);if(i)return{current:i,states:t(e,i)}}})}(t,e)}},o.prototype.historyValue=function(t){if(Object.keys(this.states).length)return{current:t||this.initialStateValue,states:p(this.states,function(e,r){if(!t)return e.historyValue();var n="string"==typeof t?void 0:t[r];return e.historyValue(n||e.initialStateValue)},function(t){return!t.history})}},o.prototype.resolveHistory=function(t){var e=this;if(!this.history)return[this];var r=this.parent;if(!t)return this.target?m(g(this.target).map(function(t){return r.getFromRelativePath(t)})):this.parent.initialStateNodes;var n=v(r.path,"states")(t).current;return"string"==typeof n?[r.getStateNode(n)]:m(g(n).map(function(t){return"deep"===e.history?r.getFromRelativePath(t):[r.states[t[0]]]}))},Object.defineProperty(o.prototype,"stateIds",{get:function(){var t=this,e=m(Object.keys(this.states).map(function(e){return t.states[e].stateIds}));return[this.id].concat(e)},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"events",{get:function(){if(this.__cache.events)return this.__cache.events;var t=this.states,e=new Set(Object.keys(this.on));return t&&Object.keys(t).forEach(function(n){var i,o,a=t[n];if(a.states)try{for(var s=r(a.events),u=s.next();!u.done;u=s.next()){var c=u.value;e.add(""+c)}}catch(t){i={error:t}}finally{try{u&&!u.done&&(o=s.return)&&o.call(s)}finally{if(i)throw i.error}}}),this.__cache.events=Array.from(e)},enumerable:!0,configurable:!0}),o.prototype.formatTransition=function(t,r,n){var i=this,o=!!r&&r.internal;if(void 0===t||""===t)return e({},r,{actions:r?b(r.actions):[],target:void 0,internal:!r||(void 0===r.internal||r.internal),event:n});var a=b(t).map(function(t){var e="string"==typeof t&&t[0]===i.delimiter;return o=o||e,e&&!i.parent?t.slice(1):e?i.key+t:t});return e({},r,{actions:r?b(r.actions):[],target:a,internal:o,event:n})},o.prototype.formatTransitions=function(){var t=this,e=this.config.on||W,r=this.after,n=y(e,function(e,r){return void 0===e?[{target:void 0,event:r,actions:[]}]:Array.isArray(e)?e.map(function(e){return t.formatTransition(e.target,e,r)}):"string"==typeof e?[t.formatTransition([e],void 0,r)]:[t.formatTransition(e.target,e,r)]});return r.forEach(function(t){n[t.event]=n[t.event]||[],n[t.event].push(t)}),n},o}();t.Machine=function(t,e,r){return new $(t,e,r)},t.StateNode=$,t.State=s,t.matchesState=S,t.mapState=function(t,e){var r;return Object.keys(t).forEach(function(t){S(t,e)&&(!r||e.length>r.length)&&(r=t)}),t[r]},t.actions=G,Object.defineProperty(t,"__esModule",{value:!0})}); |
@@ -48,2 +48,3 @@ import { Event, StateValue, Action, StateTransition, MachineOptions, EventObject, HistoryValue, DefaultContext, StateNodeDefinition, DelayedTransitionDefinition, ActivityDefinition, Delay, StateTypes, StateNodeConfig, StateSchema, TransitionsDefinition, StateNodesConfig, AnyEvent } from './types'; | ||
| private next; | ||
| private readonly tree; | ||
| private nodesFromChild; | ||
@@ -64,3 +65,3 @@ private getStateTree; | ||
| getStateNodeByPath(statePath: string | string[]): StateNode<TContext>; | ||
| private resolve; | ||
| resolve(stateValue: StateValue): StateValue; | ||
| private readonly resolvedStateValue; | ||
@@ -67,0 +68,0 @@ private getResolvedPath; |
@@ -52,3 +52,3 @@ var __assign = this && this.__assign || function () { | ||
| }; | ||
| import { getEventType, toStatePath, toStateValue, mapValues, path, toStatePaths, pathsToStateValue, pathToStateValue, flatten, mapFilterValues, nestedPath, toArray } from './utils'; | ||
| import { getEventType, toStatePath, toStateValue, mapValues, path, toStatePaths, pathToStateValue, flatten, mapFilterValues, nestedPath, toArray } from './utils'; | ||
| import { ActionTypes } from './types'; | ||
@@ -224,11 +224,9 @@ import { matchesState } from './matchesState'; | ||
| var next = stateNode.next(state, eventObject, context); | ||
| if (!next.value) { | ||
| if (!next.tree) { | ||
| var _a = this.next(state, eventObject, context), | ||
| value = _a.value, | ||
| entryExitStates = _a.entryExitStates, | ||
| actions = _a.actions, | ||
| paths = _a.paths; | ||
| tree = _a.tree; | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
@@ -239,4 +237,3 @@ entryExitStates: { | ||
| }, | ||
| actions: actions, | ||
| paths: paths | ||
| actions: actions | ||
| }; | ||
@@ -250,11 +247,9 @@ } | ||
| var next = stateNode._transition(stateValue[subStateKeys[0]], state, eventObject, context); | ||
| if (!next.value) { | ||
| if (!next.tree) { | ||
| var _a = this.next(state, eventObject, context), | ||
| value = _a.value, | ||
| entryExitStates = _a.entryExitStates, | ||
| actions = _a.actions, | ||
| paths = _a.paths; | ||
| tree = _a.tree; | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
@@ -265,4 +260,3 @@ entryExitStates: { | ||
| }, | ||
| actions: actions, | ||
| paths: paths | ||
| actions: actions | ||
| }; | ||
@@ -283,3 +277,3 @@ } | ||
| var next = subStateNode._transition(subStateValue, state, eventObject, context); | ||
| if (!next.value) { | ||
| if (!next.tree) { | ||
| noTransitionKeys.push(subStateKey); | ||
@@ -290,13 +284,11 @@ } | ||
| var willTransition = Object.keys(transitionMap).some(function (key) { | ||
| return transitionMap[key].value !== undefined; | ||
| return transitionMap[key].tree !== undefined; | ||
| }); | ||
| if (!willTransition) { | ||
| var _a = this.next(state, eventObject, context), | ||
| value = _a.value, | ||
| entryExitStates = _a.entryExitStates, | ||
| actions = _a.actions, | ||
| paths = _a.paths; | ||
| tree = _a.tree; | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
@@ -309,15 +301,18 @@ entryExitStates: { | ||
| }, | ||
| actions: actions, | ||
| paths: paths | ||
| actions: actions | ||
| }; | ||
| } | ||
| var allPaths = flatten(Object.keys(transitionMap).map(function (key) { | ||
| return transitionMap[key].paths; | ||
| })); | ||
| var allTrees = Object.keys(transitionMap).map(function (key) { | ||
| return transitionMap[key].tree; | ||
| }).filter(function (t) { | ||
| return t !== undefined; | ||
| }); | ||
| var combinedTree = allTrees.reduce(function (acc, t) { | ||
| return acc.combine(t); | ||
| }); | ||
| var allPaths = combinedTree.paths; | ||
| // External transition that escapes orthogonal region | ||
| if (allPaths.length === 1 && !matchesState(pathToStateValue(this.path), pathToStateValue(allPaths[0]))) { | ||
| var value = this.machine.resolve(pathsToStateValue(allPaths)); | ||
| if (allPaths.length === 1 && !matchesState(toStateValue(this.path, this.delimiter), combinedTree.stateValue)) { | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: combinedTree, | ||
| source: state, | ||
@@ -337,25 +332,23 @@ entryExitStates: Object.keys(transitionMap).map(function (key) { | ||
| return transitionMap[key].actions; | ||
| })), | ||
| paths: allPaths | ||
| })) | ||
| }; | ||
| } | ||
| var allResolvedPaths = flatten(Object.keys(transitionMap).map(function (key) { | ||
| var allResolvedTrees = Object.keys(transitionMap).map(function (key) { | ||
| var transition = transitionMap[key]; | ||
| var value = transition.value || state.value; | ||
| return toStatePaths(path(_this.path)(value)[key]).map(function (statePath) { | ||
| return _this.path.concat(key, statePath); | ||
| }); | ||
| })); | ||
| var nextStateValue = this.machine.resolve(pathsToStateValue(allResolvedPaths)); | ||
| var subValue = path(_this.path)(transition.tree ? transition.tree.stateValue : state.value || state.value)[key]; | ||
| return new StateTree(_this.getStateNode(key), subValue).absolute; | ||
| }); | ||
| var finalCombinedTree = allResolvedTrees.reduce(function (acc, t) { | ||
| return acc.combine(t); | ||
| }); | ||
| return { | ||
| value: nextStateValue, | ||
| tree: nextStateValue ? this.machine.getStateTree(nextStateValue) : undefined, | ||
| tree: finalCombinedTree, | ||
| source: state, | ||
| entryExitStates: Object.keys(transitionMap).reduce(function (allEntryExitStates, key) { | ||
| var _a = transitionMap[key], | ||
| subStateValue = _a.value, | ||
| tree = _a.tree, | ||
| entryExitStates = _a.entryExitStates; | ||
| // If the event was not handled (no subStateValue), | ||
| // machine should still be in state without reentry/exit. | ||
| if (!subStateValue || !entryExitStates) { | ||
| if (!tree || !entryExitStates) { | ||
| return allEntryExitStates; | ||
@@ -372,4 +365,3 @@ } | ||
| return transitionMap[key].actions; | ||
| })), | ||
| paths: toStatePaths(nextStateValue) | ||
| })) | ||
| }; | ||
@@ -397,8 +389,6 @@ }; | ||
| return { | ||
| value: undefined, | ||
| tree: undefined, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions: actions, | ||
| paths: [] | ||
| actions: actions | ||
| }; | ||
@@ -436,9 +426,8 @@ } | ||
| if (selectedTransition && nextStateStrings.length === 0) { | ||
| var tree = state.value ? this.machine.getStateTree(state.value) : undefined; | ||
| return { | ||
| value: state.value, | ||
| tree: state.value ? this.machine.getStateTree(state.value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions: actions, | ||
| paths: [] | ||
| actions: actions | ||
| }; | ||
@@ -448,8 +437,6 @@ } | ||
| return { | ||
| value: undefined, | ||
| tree: undefined, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions: actions, | ||
| paths: [] | ||
| actions: actions | ||
| }; | ||
@@ -460,5 +447,2 @@ } | ||
| })); | ||
| var nextStatePaths = nextStateNodes.map(function (stateNode) { | ||
| return stateNode.path; | ||
| }); | ||
| var isInternal = !!selectedTransition.internal; | ||
@@ -472,16 +456,23 @@ var reentryNodes = isInternal ? [] : flatten(nextStateNodes.map(function (n) { | ||
| }; | ||
| var value = this.machine.resolve(pathsToStateValue(flatten(nextStateStrings.map(function (str) { | ||
| return _this.getRelativeStateNodes(str, state.historyValue).map(function (s) { | ||
| return s.path; | ||
| }); | ||
| })))); | ||
| var trees = nextStateNodes.map(function (stateNode) { | ||
| return stateNode.tree; | ||
| }); | ||
| var combinedTree = trees.reduce(function (acc, t) { | ||
| return acc.combine(t); | ||
| }); | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: combinedTree, | ||
| source: state, | ||
| entryExitStates: entryExitStates, | ||
| actions: actions, | ||
| paths: nextStatePaths | ||
| actions: actions | ||
| }; | ||
| }; | ||
| Object.defineProperty(StateNode.prototype, "tree", { | ||
| get: function () { | ||
| var stateValue = toStateValue(this.path, this.delimiter); | ||
| return new StateTree(this.machine, stateValue); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| StateNode.prototype.nodesFromChild = function (childStateNode) { | ||
@@ -551,3 +542,3 @@ if (childStateNode.escapes(this)) { | ||
| var doneEvents = new Set(); | ||
| var entryExitStates = transition.tree ? transition.tree.getEntryExitStates(this.getStateTree(prevState.value), transition.entryExitStates ? transition.entryExitStates.entry : undefined) : { entry: [], exit: [] }; | ||
| var entryExitStates = transition.tree ? transition.tree.resolved.getEntryExitStates(this.getStateTree(prevState.value), transition.entryExitStates ? transition.entryExitStates.entry : undefined) : { entry: [], exit: [] }; | ||
| if (isInitial) { | ||
@@ -639,10 +630,4 @@ entryExitStates.exit = []; | ||
| var stateTransition = this._transition(currentState.value, currentState, eventObject, resolvedContext); | ||
| // if (stateTransition.tree) { | ||
| // const ees = stateTransition.tree.getEntryExitStates( | ||
| // this.getStateNodeValueTree(currentState.value) | ||
| // ); | ||
| // console.log('entry', [...ees.entry].map(s => s.id)); | ||
| // console.log('exit', [...ees.exit].map(s => s.id)); | ||
| // } | ||
| return this.resolveTransition(stateTransition, currentState, eventObject); | ||
| var resolvedStateTransition = __assign({}, stateTransition, { tree: stateTransition.tree ? stateTransition.tree.resolved : undefined }); | ||
| return this.resolveTransition(resolvedStateTransition, currentState, eventObject); | ||
| }; | ||
@@ -654,6 +639,7 @@ StateNode.prototype.resolveTransition = function (stateTransition, currentState, event, isInitial) { | ||
| var _a; | ||
| var resolvedStateValue = stateTransition.tree ? stateTransition.tree.stateValue : undefined; | ||
| var historyValue = currentState.historyValue ? currentState.historyValue : stateTransition.source ? this.machine.historyValue(currentState.value) : undefined; | ||
| if (!IS_PRODUCTION) { | ||
| if (!IS_PRODUCTION && stateTransition.tree) { | ||
| try { | ||
| this.ensureValidPaths(stateTransition.paths); | ||
| this.ensureValidPaths(stateTransition.tree.paths); // TODO: ensure code coverage for this | ||
| } catch (e) { | ||
@@ -664,6 +650,6 @@ throw new Error("Event '" + (event ? event.type : 'none') + "' leads to an invalid configuration: " + e.message); | ||
| var actions = this.getActions(stateTransition, currentState, isInitial); | ||
| var ees = stateTransition.tree ? stateTransition.tree.getEntryExitStates(this.getStateTree(currentState.value)) : { entry: [], exit: [] }; | ||
| var entryExitStates = stateTransition.tree ? stateTransition.tree.getEntryExitStates(this.getStateTree(currentState.value)) : { entry: [], exit: [] }; | ||
| var activities = stateTransition.tree ? this.getActivities({ | ||
| entry: new Set(ees.entry), | ||
| exit: new Set(ees.exit) | ||
| entry: new Set(entryExitStates.entry), | ||
| exit: new Set(entryExitStates.exit) | ||
| }, currentState.activities) : {}; | ||
@@ -692,3 +678,3 @@ var raisedEvents = actions.filter(function (action) { | ||
| }, currentState.context) : currentState.context; | ||
| var stateNodes = stateTransition.value ? this.getStateNodes(stateTransition.value) : []; | ||
| var stateNodes = resolvedStateValue ? this.getStateNodes(resolvedStateValue) : []; | ||
| var isTransient = stateNodes.some(function (stateNode) { | ||
@@ -706,3 +692,3 @@ return stateNode.transient; | ||
| }, {}); | ||
| var nextState = stateTransition.value ? new State(stateTransition.value, updatedContext, historyValue ? StateNode.updateHistoryValue(historyValue, stateTransition.value) : undefined, stateTransition.source ? currentState : undefined, toActionObjects(nonEventActions, this.options.actions), activities, data, raisedEvents) : undefined; | ||
| var nextState = resolvedStateValue ? new State(resolvedStateValue, updatedContext, historyValue ? StateNode.updateHistoryValue(historyValue, resolvedStateValue) : undefined, stateTransition.source ? currentState : undefined, toActionObjects(nonEventActions, this.options.actions), activities, data, raisedEvents) : undefined; | ||
| if (!nextState) { | ||
@@ -801,4 +787,10 @@ // Unchanged state should be returned with no actions | ||
| var subStateNode = this.getStateNode(stateValue); | ||
| return subStateNode.initial ? (_a = {}, _a[stateValue] = subStateNode.initialStateValue, _a) : stateValue; | ||
| if (subStateNode.type === 'parallel' || subStateNode.type === 'compound') { | ||
| return _a = {}, _a[stateValue] = subStateNode.initialStateValue, _a; | ||
| } | ||
| return stateValue; | ||
| } | ||
| if (!Object.keys(stateValue).length) { | ||
| return this.initialStateValue || {}; | ||
| } | ||
| if (this.type === 'parallel') { | ||
@@ -901,12 +893,2 @@ return mapValues(this.initialStateValue, function (subStateValue, subStateKey) { | ||
| return initialNextState; | ||
| // return raisedEvents.reduce((nextState, raisedEvent) => { | ||
| // const currentActions = nextState.actions; | ||
| // nextState = this.transition( | ||
| // nextState, | ||
| // raisedEvent.type === actionTypes.null ? NULL_EVENT : raisedEvent.event, | ||
| // nextState.context | ||
| // ); | ||
| // nextState.actions.unshift(...currentActions); | ||
| // return nextState; | ||
| // }, initialNextState); | ||
| }; | ||
@@ -921,3 +903,2 @@ Object.defineProperty(StateNode.prototype, "initialState", { | ||
| return this.resolveTransition({ | ||
| value: initialStateValue, | ||
| tree: this.getStateTree(initialStateValue), | ||
@@ -929,4 +910,3 @@ source: undefined, | ||
| }, | ||
| actions: [], | ||
| paths: [] | ||
| actions: [] | ||
| }, state, undefined, true // isInitial | ||
@@ -933,0 +913,0 @@ ); |
@@ -5,6 +5,12 @@ import { StateNode } from './StateNode'; | ||
| stateNode: StateNode; | ||
| _stateValue: StateValue | undefined; | ||
| parent?: StateTree | undefined; | ||
| done: boolean; | ||
| value: Record<string, StateTree> | undefined; | ||
| constructor(stateNode: StateNode, stateValue: StateValue | undefined); | ||
| value: Record<string, StateTree>; | ||
| constructor(stateNode: StateNode, _stateValue: StateValue | undefined); | ||
| readonly done: boolean; | ||
| readonly resolved: StateTree; | ||
| readonly paths: string[][]; | ||
| readonly absolute: StateTree; | ||
| clone(): StateTree; | ||
| combine(tree: StateTree): StateTree; | ||
| readonly stateValue: StateValue; | ||
@@ -11,0 +17,0 @@ matches(parentValue: StateValue): boolean; |
@@ -25,25 +25,107 @@ var __read = this && this.__read || function (o, n) { | ||
| }; | ||
| import { mapValues, flatten } from './utils'; | ||
| import { mapValues, flatten, toStatePaths } from './utils'; | ||
| import { matchesState } from './matchesState'; | ||
| var StateTree = /** @class */ /*#__PURE__*/function () { | ||
| function StateTree(stateNode, stateValue) { | ||
| function StateTree(stateNode, _stateValue) { | ||
| var _a; | ||
| this.stateNode = stateNode; | ||
| if (!stateValue) { | ||
| this.done = stateNode.type === 'final'; | ||
| this.value = undefined; | ||
| } else if (typeof stateValue === 'string') { | ||
| var childStateNode = stateNode.getStateNode(stateValue); | ||
| this.done = childStateNode.type === 'final'; | ||
| this.value = (_a = {}, _a[stateValue] = new StateTree(childStateNode, childStateNode.type === 'compound' || childStateNode.type === 'parallel' ? childStateNode.initialState.value : undefined), _a); | ||
| } else { | ||
| var value_1 = mapValues(stateValue, function (subValue, key) { | ||
| return new StateTree(stateNode.getStateNode(key), subValue); | ||
| this._stateValue = _stateValue; | ||
| this.value = _stateValue ? typeof _stateValue === 'string' ? (_a = {}, _a[_stateValue] = new StateTree(stateNode.getStateNode(_stateValue), undefined), _a) : mapValues(_stateValue, function (subValue, key) { | ||
| return new StateTree(stateNode.getStateNode(key), subValue); | ||
| }) : {}; | ||
| } | ||
| Object.defineProperty(StateTree.prototype, "done", { | ||
| get: function () { | ||
| var _this = this; | ||
| switch (this.stateNode.type) { | ||
| case 'final': | ||
| return true; | ||
| case 'compound': | ||
| return this.value[Object.keys(this.value)[0]].done; | ||
| case 'parallel': | ||
| return Object.keys(this.value).some(function (key) { | ||
| return _this.value[key].done; | ||
| }); | ||
| default: | ||
| return false; | ||
| } | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| Object.defineProperty(StateTree.prototype, "resolved", { | ||
| get: function () { | ||
| return new StateTree(this.stateNode, this.stateNode.resolve(this.stateValue)); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| Object.defineProperty(StateTree.prototype, "paths", { | ||
| get: function () { | ||
| return toStatePaths(this.stateValue); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| Object.defineProperty(StateTree.prototype, "absolute", { | ||
| get: function () { | ||
| var _this = this; | ||
| var _stateValue = this._stateValue; | ||
| var absoluteStateValue = {}; | ||
| var marker = absoluteStateValue; | ||
| this.stateNode.path.forEach(function (key, i) { | ||
| if (i === _this.stateNode.path.length - 1) { | ||
| marker[key] = _stateValue; | ||
| } else { | ||
| marker[key] = {}; | ||
| marker = marker[key]; | ||
| } | ||
| }); | ||
| this.value = value_1; | ||
| this.done = Object.keys(value_1).every(function (key) { | ||
| return value_1[key].done; | ||
| return new StateTree(this.stateNode.machine, absoluteStateValue); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| StateTree.prototype.clone = function () { | ||
| return new StateTree(this.stateNode, this.stateValue); | ||
| }; | ||
| StateTree.prototype.combine = function (tree) { | ||
| var _this = this; | ||
| var _a; | ||
| if (tree.stateNode !== this.stateNode) { | ||
| throw new Error('Cannot combine distinct trees'); | ||
| } | ||
| if (this.stateNode.type === 'compound') { | ||
| // Only combine if no child state is defined | ||
| var newValue = void 0; | ||
| if (!Object.keys(this.value).length || !Object.keys(tree.value).length) { | ||
| newValue = Object.assign({}, this.value, tree.value); | ||
| var newTree = this.clone(); | ||
| newTree.value = newValue; | ||
| return newTree; | ||
| } else { | ||
| var childKey = Object.keys(this.value)[0]; | ||
| newValue = (_a = {}, _a[childKey] = this.value[childKey].combine(tree.value[childKey]), _a); | ||
| var newTree = this.clone(); | ||
| newTree.value = newValue; | ||
| return newTree; | ||
| } | ||
| } | ||
| if (this.stateNode.type === 'parallel') { | ||
| var keys = new Set(__spread(Object.keys(this.value), Object.keys(tree.value))); | ||
| var newValue_1 = {}; | ||
| keys.forEach(function (key) { | ||
| if (!_this.value[key] || !tree.value[key]) { | ||
| newValue_1[key] = _this.value[key] || tree.value[key]; | ||
| } else { | ||
| newValue_1[key] = _this.value[key].combine(tree.value[key]); | ||
| } | ||
| }); | ||
| var newTree = this.clone(); | ||
| newTree.value = newValue_1; | ||
| return newTree; | ||
| } | ||
| } | ||
| // nothing to do | ||
| return this; | ||
| }; | ||
| Object.defineProperty(StateTree.prototype, "stateValue", { | ||
@@ -60,4 +142,7 @@ get: function () { | ||
| if (this.stateNode.type === 'compound') { | ||
| if (Object.keys(this.value).length === 0) { | ||
| return {}; | ||
| } | ||
| var childStateNode = this.value[Object.keys(this.value)[0]].stateNode; | ||
| if (childStateNode.type === 'atomic') { | ||
| if (childStateNode.type === 'atomic' || childStateNode.type === 'final') { | ||
| return childStateNode.key; | ||
@@ -88,7 +173,9 @@ } | ||
| }; | ||
| if (Object.keys(this.value)[0] !== Object.keys(prevTree.value)[0]) { | ||
| r1.exit = prevTree.value[Object.keys(prevTree.value)[0]].getExitStates(); | ||
| r1.entry = this.value[Object.keys(this.value)[0]].getEntryStates(); | ||
| var currentChildKey = Object.keys(this.value)[0]; | ||
| var prevChildKey = Object.keys(prevTree.value)[0]; | ||
| if (currentChildKey !== prevChildKey) { | ||
| r1.exit = prevTree.value[prevChildKey].getExitStates(); | ||
| r1.entry = this.value[currentChildKey].getEntryStates(); | ||
| } else { | ||
| r1 = this.value[Object.keys(this.value)[0]].getEntryExitStates(prevTree.value[Object.keys(prevTree.value)[0]], externalNodes); | ||
| r1 = this.value[currentChildKey].getEntryExitStates(prevTree.value[prevChildKey], externalNodes); | ||
| } | ||
@@ -95,0 +182,0 @@ if (externalNodes && externalNodes.has(this.stateNode)) { |
@@ -183,3 +183,2 @@ import { StateNode } from './StateNode'; | ||
| export interface StateTransition<TContext> { | ||
| value: StateValue | undefined; | ||
| tree: StateTree | undefined; | ||
@@ -189,3 +188,2 @@ source: State<TContext> | undefined; | ||
| actions: Array<Action<TContext>>; | ||
| paths: string[][]; | ||
| } | ||
@@ -192,0 +190,0 @@ export interface TransitionData<TContext> { |
@@ -6,3 +6,3 @@ import { State } from './State'; | ||
| export declare function toStatePath(stateId: string | string[], delimiter: string): string[]; | ||
| export declare function toStateValue(stateValue: State<any> | StateValue, delimiter: string): StateValue; | ||
| export declare function toStateValue(stateValue: State<any> | StateValue | string[], delimiter: string): StateValue; | ||
| export declare function pathToStateValue(statePath: string[]): StateValue; | ||
@@ -33,3 +33,3 @@ export declare function mapValues<T, P>(collection: { | ||
| export declare function nestedPath<T extends Record<string, any>>(props: string[], accessorProp: keyof T): (object: T) => T; | ||
| export declare const toStatePaths: (stateValue: StateValue) => string[][]; | ||
| export declare const toStatePaths: (stateValue: string | import("./types").StateValueMap | undefined) => string[][]; | ||
| export declare const pathsToStateValue: (paths: string[][]) => StateValue; | ||
@@ -36,0 +36,0 @@ export declare function flatten<T>(array: T[][]): T[]; |
@@ -65,2 +65,5 @@ var __values = this && this.__values || function (o) { | ||
| } | ||
| if (Array.isArray(stateValue)) { | ||
| return pathToStateValue(stateValue); | ||
| } | ||
| if (typeof stateValue === 'object' && !(stateValue instanceof State)) { | ||
@@ -157,2 +160,5 @@ return stateValue; | ||
| export var toStatePaths = function (stateValue) { | ||
| if (!stateValue) { | ||
| return [[]]; | ||
| } | ||
| if (typeof stateValue === 'string') { | ||
@@ -159,0 +165,0 @@ return [[stateValue]]; |
@@ -48,2 +48,3 @@ import { Event, StateValue, Action, StateTransition, MachineOptions, EventObject, HistoryValue, DefaultContext, StateNodeDefinition, DelayedTransitionDefinition, ActivityDefinition, Delay, StateTypes, StateNodeConfig, StateSchema, TransitionsDefinition, StateNodesConfig, AnyEvent } from './types'; | ||
| private next; | ||
| private readonly tree; | ||
| private nodesFromChild; | ||
@@ -64,3 +65,3 @@ private getStateTree; | ||
| getStateNodeByPath(statePath: string | string[]): StateNode<TContext>; | ||
| private resolve; | ||
| resolve(stateValue: StateValue): StateValue; | ||
| private readonly resolvedStateValue; | ||
@@ -67,0 +68,0 @@ private getResolvedPath; |
@@ -224,7 +224,6 @@ "use strict"; | ||
| var next = stateNode.next(state, eventObject, context); | ||
| if (!next.value) { | ||
| var _a = this.next(state, eventObject, context), value = _a.value, entryExitStates = _a.entryExitStates, actions = _a.actions, paths = _a.paths; | ||
| if (!next.tree) { | ||
| var _a = this.next(state, eventObject, context), entryExitStates = _a.entryExitStates, actions = _a.actions, tree = _a.tree; | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
@@ -239,4 +238,3 @@ entryExitStates: { | ||
| }, | ||
| actions: actions, | ||
| paths: paths | ||
| actions: actions | ||
| }; | ||
@@ -250,7 +248,6 @@ } | ||
| var next = stateNode._transition(stateValue[subStateKeys[0]], state, eventObject, context); | ||
| if (!next.value) { | ||
| var _a = this.next(state, eventObject, context), value = _a.value, entryExitStates = _a.entryExitStates, actions = _a.actions, paths = _a.paths; | ||
| if (!next.tree) { | ||
| var _a = this.next(state, eventObject, context), entryExitStates = _a.entryExitStates, actions = _a.actions, tree = _a.tree; | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
@@ -267,4 +264,3 @@ entryExitStates: { | ||
| }, | ||
| actions: actions, | ||
| paths: paths | ||
| actions: actions | ||
| }; | ||
@@ -285,3 +281,3 @@ } | ||
| var next = subStateNode._transition(subStateValue, state, eventObject, context); | ||
| if (!next.value) { | ||
| if (!next.tree) { | ||
| noTransitionKeys.push(subStateKey); | ||
@@ -291,8 +287,7 @@ } | ||
| }); | ||
| var willTransition = Object.keys(transitionMap).some(function (key) { return transitionMap[key].value !== undefined; }); | ||
| var willTransition = Object.keys(transitionMap).some(function (key) { return transitionMap[key].tree !== undefined; }); | ||
| if (!willTransition) { | ||
| var _a = this.next(state, eventObject, context), value = _a.value, entryExitStates = _a.entryExitStates, actions = _a.actions, paths = _a.paths; | ||
| var _a = this.next(state, eventObject, context), entryExitStates = _a.entryExitStates, actions = _a.actions, tree = _a.tree; | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
@@ -303,14 +298,17 @@ entryExitStates: { | ||
| }, | ||
| actions: actions, | ||
| paths: paths | ||
| actions: actions | ||
| }; | ||
| } | ||
| var allPaths = utils_1.flatten(Object.keys(transitionMap).map(function (key) { return transitionMap[key].paths; })); | ||
| var allTrees = Object.keys(transitionMap) | ||
| .map(function (key) { return transitionMap[key].tree; }) | ||
| .filter(function (t) { return t !== undefined; }); | ||
| var combinedTree = allTrees.reduce(function (acc, t) { | ||
| return acc.combine(t); | ||
| }); | ||
| var allPaths = combinedTree.paths; | ||
| // External transition that escapes orthogonal region | ||
| if (allPaths.length === 1 && | ||
| !matchesState_1.matchesState(utils_1.pathToStateValue(this.path), utils_1.pathToStateValue(allPaths[0]))) { | ||
| var value = this.machine.resolve(utils_1.pathsToStateValue(allPaths)); | ||
| !matchesState_1.matchesState(utils_1.toStateValue(this.path, this.delimiter), combinedTree.stateValue)) { | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: combinedTree, | ||
| source: state, | ||
@@ -328,25 +326,23 @@ entryExitStates: Object.keys(transitionMap) | ||
| return transitionMap[key].actions; | ||
| })), | ||
| paths: allPaths | ||
| })) | ||
| }; | ||
| } | ||
| var allResolvedPaths = utils_1.flatten(Object.keys(transitionMap).map(function (key) { | ||
| var allResolvedTrees = Object.keys(transitionMap).map(function (key) { | ||
| var transition = transitionMap[key]; | ||
| var value = transition.value || state.value; | ||
| return utils_1.toStatePaths(utils_1.path(_this.path)(value)[key]).map(function (statePath) { | ||
| return _this.path.concat(key, statePath); | ||
| }); | ||
| })); | ||
| var nextStateValue = this.machine.resolve(utils_1.pathsToStateValue(allResolvedPaths)); | ||
| var subValue = utils_1.path(_this.path)(transition.tree | ||
| ? transition.tree.stateValue | ||
| : state.value || state.value)[key]; | ||
| return new StateTree_1.StateTree(_this.getStateNode(key), subValue).absolute; | ||
| }); | ||
| var finalCombinedTree = allResolvedTrees.reduce(function (acc, t) { | ||
| return acc.combine(t); | ||
| }); | ||
| return { | ||
| value: nextStateValue, | ||
| tree: nextStateValue | ||
| ? this.machine.getStateTree(nextStateValue) | ||
| : undefined, | ||
| tree: finalCombinedTree, | ||
| source: state, | ||
| entryExitStates: Object.keys(transitionMap).reduce(function (allEntryExitStates, key) { | ||
| var _a = transitionMap[key], subStateValue = _a.value, entryExitStates = _a.entryExitStates; | ||
| var _a = transitionMap[key], tree = _a.tree, entryExitStates = _a.entryExitStates; | ||
| // If the event was not handled (no subStateValue), | ||
| // machine should still be in state without reentry/exit. | ||
| if (!subStateValue || !entryExitStates) { | ||
| if (!tree || !entryExitStates) { | ||
| return allEntryExitStates; | ||
@@ -362,4 +358,3 @@ } | ||
| return transitionMap[key].actions; | ||
| })), | ||
| paths: utils_1.toStatePaths(nextStateValue) | ||
| })) | ||
| }; | ||
@@ -389,8 +384,6 @@ }; | ||
| return { | ||
| value: undefined, | ||
| tree: undefined, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions: actions, | ||
| paths: [] | ||
| actions: actions | ||
| }; | ||
@@ -429,9 +422,10 @@ } | ||
| if (selectedTransition && nextStateStrings.length === 0) { | ||
| var tree = state.value | ||
| ? this.machine.getStateTree(state.value) | ||
| : undefined; | ||
| return { | ||
| value: state.value, | ||
| tree: state.value ? this.machine.getStateTree(state.value) : undefined, | ||
| tree: tree, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions: actions, | ||
| paths: [] | ||
| actions: actions | ||
| }; | ||
@@ -441,8 +435,6 @@ } | ||
| return { | ||
| value: undefined, | ||
| tree: undefined, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions: actions, | ||
| paths: [] | ||
| actions: actions | ||
| }; | ||
@@ -453,3 +445,2 @@ } | ||
| })); | ||
| var nextStatePaths = nextStateNodes.map(function (stateNode) { return stateNode.path; }); | ||
| var isInternal = !!selectedTransition.internal; | ||
@@ -463,14 +454,21 @@ var reentryNodes = isInternal | ||
| }; | ||
| var value = this.machine.resolve(utils_1.pathsToStateValue(utils_1.flatten(nextStateStrings.map(function (str) { | ||
| return _this.getRelativeStateNodes(str, state.historyValue).map(function (s) { return s.path; }); | ||
| })))); | ||
| var trees = nextStateNodes.map(function (stateNode) { return stateNode.tree; }); | ||
| var combinedTree = trees.reduce(function (acc, t) { | ||
| return acc.combine(t); | ||
| }); | ||
| return { | ||
| value: value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: combinedTree, | ||
| source: state, | ||
| entryExitStates: entryExitStates, | ||
| actions: actions, | ||
| paths: nextStatePaths | ||
| actions: actions | ||
| }; | ||
| }; | ||
| Object.defineProperty(StateNode.prototype, "tree", { | ||
| get: function () { | ||
| var stateValue = utils_1.toStateValue(this.path, this.delimiter); | ||
| return new StateTree_1.StateTree(this.machine, stateValue); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| StateNode.prototype.nodesFromChild = function (childStateNode) { | ||
@@ -536,3 +534,3 @@ if (childStateNode.escapes(this)) { | ||
| var entryExitStates = transition.tree | ||
| ? transition.tree.getEntryExitStates(this.getStateTree(prevState.value), transition.entryExitStates | ||
| ? transition.tree.resolved.getEntryExitStates(this.getStateTree(prevState.value), transition.entryExitStates | ||
| ? transition.entryExitStates.entry | ||
@@ -633,10 +631,4 @@ : undefined) | ||
| var stateTransition = this._transition(currentState.value, currentState, eventObject, resolvedContext); | ||
| // if (stateTransition.tree) { | ||
| // const ees = stateTransition.tree.getEntryExitStates( | ||
| // this.getStateNodeValueTree(currentState.value) | ||
| // ); | ||
| // console.log('entry', [...ees.entry].map(s => s.id)); | ||
| // console.log('exit', [...ees.exit].map(s => s.id)); | ||
| // } | ||
| return this.resolveTransition(stateTransition, currentState, eventObject); | ||
| var resolvedStateTransition = __assign({}, stateTransition, { tree: stateTransition.tree ? stateTransition.tree.resolved : undefined }); | ||
| return this.resolveTransition(resolvedStateTransition, currentState, eventObject); | ||
| }; | ||
@@ -646,2 +638,5 @@ StateNode.prototype.resolveTransition = function (stateTransition, currentState, event, isInitial) { | ||
| var _a; | ||
| var resolvedStateValue = stateTransition.tree | ||
| ? stateTransition.tree.stateValue | ||
| : undefined; | ||
| var historyValue = currentState.historyValue | ||
@@ -652,5 +647,5 @@ ? currentState.historyValue | ||
| : undefined; | ||
| if (!IS_PRODUCTION) { | ||
| if (!IS_PRODUCTION && stateTransition.tree) { | ||
| try { | ||
| this.ensureValidPaths(stateTransition.paths); | ||
| this.ensureValidPaths(stateTransition.tree.paths); // TODO: ensure code coverage for this | ||
| } | ||
@@ -662,3 +657,3 @@ catch (e) { | ||
| var actions = this.getActions(stateTransition, currentState, isInitial); | ||
| var ees = stateTransition.tree | ||
| var entryExitStates = stateTransition.tree | ||
| ? stateTransition.tree.getEntryExitStates(this.getStateTree(currentState.value)) | ||
@@ -668,4 +663,4 @@ : { entry: [], exit: [] }; | ||
| ? this.getActivities({ | ||
| entry: new Set(ees.entry), | ||
| exit: new Set(ees.exit) | ||
| entry: new Set(entryExitStates.entry), | ||
| exit: new Set(entryExitStates.exit) | ||
| }, currentState.activities) | ||
@@ -703,4 +698,4 @@ : {}; | ||
| : currentState.context; | ||
| var stateNodes = stateTransition.value | ||
| ? this.getStateNodes(stateTransition.value) | ||
| var stateNodes = resolvedStateValue | ||
| ? this.getStateNodes(resolvedStateValue) | ||
| : []; | ||
@@ -717,5 +712,5 @@ var isTransient = stateNodes.some(function (stateNode) { return stateNode.transient; }); | ||
| }, {}); | ||
| var nextState = stateTransition.value | ||
| ? new State_1.State(stateTransition.value, updatedContext, historyValue | ||
| ? StateNode.updateHistoryValue(historyValue, stateTransition.value) | ||
| var nextState = resolvedStateValue | ||
| ? new State_1.State(resolvedStateValue, updatedContext, historyValue | ||
| ? StateNode.updateHistoryValue(historyValue, resolvedStateValue) | ||
| : undefined, stateTransition.source ? currentState : undefined, actions_1.toActionObjects(nonEventActions, this.options.actions), activities, data, raisedEvents) | ||
@@ -818,5 +813,11 @@ : undefined; | ||
| var subStateNode = this.getStateNode(stateValue); | ||
| return subStateNode.initial | ||
| ? (_a = {}, _a[stateValue] = subStateNode.initialStateValue, _a) : stateValue; | ||
| if (subStateNode.type === 'parallel' || | ||
| subStateNode.type === 'compound') { | ||
| return _a = {}, _a[stateValue] = subStateNode.initialStateValue, _a; | ||
| } | ||
| return stateValue; | ||
| } | ||
| if (!Object.keys(stateValue).length) { | ||
| return this.initialStateValue || {}; | ||
| } | ||
| if (this.type === 'parallel') { | ||
@@ -924,12 +925,2 @@ return utils_1.mapValues(this.initialStateValue, function (subStateValue, subStateKey) { | ||
| return initialNextState; | ||
| // return raisedEvents.reduce((nextState, raisedEvent) => { | ||
| // const currentActions = nextState.actions; | ||
| // nextState = this.transition( | ||
| // nextState, | ||
| // raisedEvent.type === actionTypes.null ? NULL_EVENT : raisedEvent.event, | ||
| // nextState.context | ||
| // ); | ||
| // nextState.actions.unshift(...currentActions); | ||
| // return nextState; | ||
| // }, initialNextState); | ||
| }; | ||
@@ -944,3 +935,2 @@ Object.defineProperty(StateNode.prototype, "initialState", { | ||
| return this.resolveTransition({ | ||
| value: initialStateValue, | ||
| tree: this.getStateTree(initialStateValue), | ||
@@ -952,4 +942,3 @@ source: undefined, | ||
| }, | ||
| actions: [], | ||
| paths: [] | ||
| actions: [] | ||
| }, state, undefined, true // isInitial | ||
@@ -956,0 +945,0 @@ ); |
@@ -5,6 +5,12 @@ import { StateNode } from './StateNode'; | ||
| stateNode: StateNode; | ||
| _stateValue: StateValue | undefined; | ||
| parent?: StateTree | undefined; | ||
| done: boolean; | ||
| value: Record<string, StateTree> | undefined; | ||
| constructor(stateNode: StateNode, stateValue: StateValue | undefined); | ||
| value: Record<string, StateTree>; | ||
| constructor(stateNode: StateNode, _stateValue: StateValue | undefined); | ||
| readonly done: boolean; | ||
| readonly resolved: StateTree; | ||
| readonly paths: string[][]; | ||
| readonly absolute: StateTree; | ||
| clone(): StateTree; | ||
| combine(tree: StateTree): StateTree; | ||
| readonly stateValue: StateValue; | ||
@@ -11,0 +17,0 @@ matches(parentValue: StateValue): boolean; |
@@ -26,27 +26,112 @@ "use strict"; | ||
| var StateTree = /** @class */ (function () { | ||
| function StateTree(stateNode, stateValue) { | ||
| function StateTree(stateNode, _stateValue) { | ||
| var _a; | ||
| this.stateNode = stateNode; | ||
| if (!stateValue) { | ||
| this.done = stateNode.type === 'final'; | ||
| this.value = undefined; | ||
| this._stateValue = _stateValue; | ||
| this.value = _stateValue | ||
| ? typeof _stateValue === 'string' | ||
| ? (_a = {}, | ||
| _a[_stateValue] = new StateTree(stateNode.getStateNode(_stateValue), undefined), | ||
| _a) : utils_1.mapValues(_stateValue, function (subValue, key) { | ||
| return new StateTree(stateNode.getStateNode(key), subValue); | ||
| }) | ||
| : {}; | ||
| } | ||
| Object.defineProperty(StateTree.prototype, "done", { | ||
| get: function () { | ||
| var _this = this; | ||
| switch (this.stateNode.type) { | ||
| case 'final': | ||
| return true; | ||
| case 'compound': | ||
| return this.value[Object.keys(this.value)[0]].done; | ||
| case 'parallel': | ||
| return Object.keys(this.value).some(function (key) { return _this.value[key].done; }); | ||
| default: | ||
| return false; | ||
| } | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| Object.defineProperty(StateTree.prototype, "resolved", { | ||
| get: function () { | ||
| return new StateTree(this.stateNode, this.stateNode.resolve(this.stateValue)); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| Object.defineProperty(StateTree.prototype, "paths", { | ||
| get: function () { | ||
| return utils_1.toStatePaths(this.stateValue); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| Object.defineProperty(StateTree.prototype, "absolute", { | ||
| get: function () { | ||
| var _this = this; | ||
| var _stateValue = this._stateValue; | ||
| var absoluteStateValue = {}; | ||
| var marker = absoluteStateValue; | ||
| this.stateNode.path.forEach(function (key, i) { | ||
| if (i === _this.stateNode.path.length - 1) { | ||
| marker[key] = _stateValue; | ||
| } | ||
| else { | ||
| marker[key] = {}; | ||
| marker = marker[key]; | ||
| } | ||
| }); | ||
| return new StateTree(this.stateNode.machine, absoluteStateValue); | ||
| }, | ||
| enumerable: true, | ||
| configurable: true | ||
| }); | ||
| StateTree.prototype.clone = function () { | ||
| return new StateTree(this.stateNode, this.stateValue); | ||
| }; | ||
| StateTree.prototype.combine = function (tree) { | ||
| var _this = this; | ||
| var _a; | ||
| if (tree.stateNode !== this.stateNode) { | ||
| throw new Error('Cannot combine distinct trees'); | ||
| } | ||
| else if (typeof stateValue === 'string') { | ||
| var childStateNode = stateNode.getStateNode(stateValue); | ||
| this.done = childStateNode.type === 'final'; | ||
| this.value = (_a = {}, | ||
| _a[stateValue] = new StateTree(childStateNode, childStateNode.type === 'compound' || | ||
| childStateNode.type === 'parallel' | ||
| ? childStateNode.initialState.value | ||
| : undefined), | ||
| _a); | ||
| if (this.stateNode.type === 'compound') { | ||
| // Only combine if no child state is defined | ||
| var newValue = void 0; | ||
| if (!Object.keys(this.value).length || !Object.keys(tree.value).length) { | ||
| newValue = Object.assign({}, this.value, tree.value); | ||
| var newTree = this.clone(); | ||
| newTree.value = newValue; | ||
| return newTree; | ||
| } | ||
| else { | ||
| var childKey = Object.keys(this.value)[0]; | ||
| newValue = (_a = {}, | ||
| _a[childKey] = this.value[childKey].combine(tree.value[childKey]), | ||
| _a); | ||
| var newTree = this.clone(); | ||
| newTree.value = newValue; | ||
| return newTree; | ||
| } | ||
| } | ||
| else { | ||
| var value_1 = utils_1.mapValues(stateValue, function (subValue, key) { | ||
| return new StateTree(stateNode.getStateNode(key), subValue); | ||
| if (this.stateNode.type === 'parallel') { | ||
| var keys = new Set(__spread(Object.keys(this.value), Object.keys(tree.value))); | ||
| var newValue_1 = {}; | ||
| keys.forEach(function (key) { | ||
| if (!_this.value[key] || !tree.value[key]) { | ||
| newValue_1[key] = _this.value[key] || tree.value[key]; | ||
| } | ||
| else { | ||
| newValue_1[key] = _this.value[key].combine(tree.value[key]); | ||
| } | ||
| }); | ||
| this.value = value_1; | ||
| this.done = Object.keys(value_1).every(function (key) { return value_1[key].done; }); | ||
| var newTree = this.clone(); | ||
| newTree.value = newValue_1; | ||
| return newTree; | ||
| } | ||
| } | ||
| // nothing to do | ||
| return this; | ||
| }; | ||
| Object.defineProperty(StateTree.prototype, "stateValue", { | ||
@@ -63,4 +148,7 @@ get: function () { | ||
| if (this.stateNode.type === 'compound') { | ||
| if (Object.keys(this.value).length === 0) { | ||
| return {}; | ||
| } | ||
| var childStateNode = this.value[Object.keys(this.value)[0]].stateNode; | ||
| if (childStateNode.type === 'atomic') { | ||
| if (childStateNode.type === 'atomic' || childStateNode.type === 'final') { | ||
| return childStateNode.key; | ||
@@ -91,8 +179,10 @@ } | ||
| }; | ||
| if (Object.keys(this.value)[0] !== Object.keys(prevTree.value)[0]) { | ||
| r1.exit = prevTree.value[Object.keys(prevTree.value)[0]].getExitStates(); | ||
| r1.entry = this.value[Object.keys(this.value)[0]].getEntryStates(); | ||
| var currentChildKey = Object.keys(this.value)[0]; | ||
| var prevChildKey = Object.keys(prevTree.value)[0]; | ||
| if (currentChildKey !== prevChildKey) { | ||
| r1.exit = prevTree.value[prevChildKey].getExitStates(); | ||
| r1.entry = this.value[currentChildKey].getEntryStates(); | ||
| } | ||
| else { | ||
| r1 = this.value[Object.keys(this.value)[0]].getEntryExitStates(prevTree.value[Object.keys(prevTree.value)[0]], externalNodes); | ||
| r1 = this.value[currentChildKey].getEntryExitStates(prevTree.value[prevChildKey], externalNodes); | ||
| } | ||
@@ -99,0 +189,0 @@ if (externalNodes && externalNodes.has(this.stateNode)) { |
@@ -183,3 +183,2 @@ import { StateNode } from './StateNode'; | ||
| export interface StateTransition<TContext> { | ||
| value: StateValue | undefined; | ||
| tree: StateTree | undefined; | ||
@@ -189,3 +188,2 @@ source: State<TContext> | undefined; | ||
| actions: Array<Action<TContext>>; | ||
| paths: string[][]; | ||
| } | ||
@@ -192,0 +190,0 @@ export interface TransitionData<TContext> { |
@@ -6,3 +6,3 @@ import { State } from './State'; | ||
| export declare function toStatePath(stateId: string | string[], delimiter: string): string[]; | ||
| export declare function toStateValue(stateValue: State<any> | StateValue, delimiter: string): StateValue; | ||
| export declare function toStateValue(stateValue: State<any> | StateValue | string[], delimiter: string): StateValue; | ||
| export declare function pathToStateValue(statePath: string[]): StateValue; | ||
@@ -33,3 +33,3 @@ export declare function mapValues<T, P>(collection: { | ||
| export declare function nestedPath<T extends Record<string, any>>(props: string[], accessorProp: keyof T): (object: T) => T; | ||
| export declare const toStatePaths: (stateValue: StateValue) => string[][]; | ||
| export declare const toStatePaths: (stateValue: string | import("./types").StateValueMap | undefined) => string[][]; | ||
| export declare const pathsToStateValue: (paths: string[][]) => StateValue; | ||
@@ -36,0 +36,0 @@ export declare function flatten<T>(array: T[][]): T[]; |
@@ -74,2 +74,5 @@ "use strict"; | ||
| } | ||
| if (Array.isArray(stateValue)) { | ||
| return pathToStateValue(stateValue); | ||
| } | ||
| if (typeof stateValue === 'object' && !(stateValue instanceof State_1.State)) { | ||
@@ -168,2 +171,5 @@ return stateValue; | ||
| exports.toStatePaths = function (stateValue) { | ||
| if (!stateValue) { | ||
| return [[]]; | ||
| } | ||
| if (typeof stateValue === 'string') { | ||
@@ -170,0 +176,0 @@ return [[stateValue]]; |
| { | ||
| "name": "xstate", | ||
| "version": "4.0.0-9", | ||
| "version": "4.0.0-10", | ||
| "description": "Simple JavaScript Finite State Machines and Statecharts", | ||
@@ -5,0 +5,0 @@ "main": "lib/index.js", |
@@ -8,3 +8,2 @@ import { | ||
| toStatePaths, | ||
| pathsToStateValue, | ||
| pathToStateValue, | ||
@@ -310,4 +309,4 @@ flatten, | ||
| if (!next.value) { | ||
| const { value, entryExitStates, actions, paths } = this.next( | ||
| if (!next.tree) { | ||
| const { entryExitStates, actions, tree } = this.next( | ||
| state, | ||
@@ -319,4 +318,3 @@ eventObject, | ||
| return { | ||
| value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree, | ||
| source: state, | ||
@@ -332,4 +330,3 @@ entryExitStates: { | ||
| }, | ||
| actions, | ||
| paths | ||
| actions | ||
| }; | ||
@@ -356,4 +353,4 @@ } | ||
| if (!next.value) { | ||
| const { value, entryExitStates, actions, paths } = this.next( | ||
| if (!next.tree) { | ||
| const { entryExitStates, actions, tree } = this.next( | ||
| state, | ||
@@ -365,4 +362,3 @@ eventObject, | ||
| return { | ||
| value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree, | ||
| source: state, | ||
@@ -381,4 +377,3 @@ entryExitStates: { | ||
| }, | ||
| actions, | ||
| paths | ||
| actions | ||
| }; | ||
@@ -414,3 +409,3 @@ } | ||
| if (!next.value) { | ||
| if (!next.tree) { | ||
| noTransitionKeys.push(subStateKey); | ||
@@ -423,7 +418,7 @@ } | ||
| const willTransition = Object.keys(transitionMap).some( | ||
| key => transitionMap[key].value !== undefined | ||
| key => transitionMap[key].tree !== undefined | ||
| ); | ||
| if (!willTransition) { | ||
| const { value, entryExitStates, actions, paths } = this.next( | ||
| const { entryExitStates, actions, tree } = this.next( | ||
| state, | ||
@@ -435,4 +430,3 @@ eventObject, | ||
| return { | ||
| value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree, | ||
| source: state, | ||
@@ -446,21 +440,26 @@ entryExitStates: { | ||
| }, | ||
| actions, | ||
| paths | ||
| actions | ||
| }; | ||
| } | ||
| const allPaths = flatten( | ||
| Object.keys(transitionMap).map(key => transitionMap[key].paths) | ||
| ); | ||
| const allTrees = Object.keys(transitionMap) | ||
| .map(key => transitionMap[key].tree) | ||
| .filter(t => t !== undefined) as StateTree[]; | ||
| const combinedTree = allTrees.reduce((acc, t) => { | ||
| return acc.combine(t); | ||
| }); | ||
| const allPaths = combinedTree.paths; | ||
| // External transition that escapes orthogonal region | ||
| if ( | ||
| allPaths.length === 1 && | ||
| !matchesState(pathToStateValue(this.path), pathToStateValue(allPaths[0])) | ||
| !matchesState( | ||
| toStateValue(this.path, this.delimiter), | ||
| combinedTree.stateValue | ||
| ) | ||
| ) { | ||
| const value = this.machine.resolve(pathsToStateValue(allPaths)); | ||
| return { | ||
| value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: combinedTree, | ||
| source: state, | ||
@@ -490,35 +489,31 @@ entryExitStates: Object.keys(transitionMap) | ||
| }) | ||
| ), | ||
| paths: allPaths | ||
| ) | ||
| }; | ||
| } | ||
| const allResolvedPaths = flatten( | ||
| Object.keys(transitionMap).map(key => { | ||
| const transition = transitionMap[key]; | ||
| const value = transition.value || state.value; | ||
| const allResolvedTrees = Object.keys(transitionMap).map(key => { | ||
| const transition = transitionMap[key]; | ||
| const subValue = path(this.path)( | ||
| transition.tree | ||
| ? transition.tree.stateValue | ||
| : state.value || state.value | ||
| )[key]; | ||
| return toStatePaths(path(this.path)(value)[key]).map(statePath => | ||
| this.path.concat(key, statePath) | ||
| ); | ||
| }) | ||
| ); | ||
| return new StateTree(this.getStateNode(key), subValue).absolute; | ||
| }); | ||
| const nextStateValue = this.machine.resolve( | ||
| pathsToStateValue(allResolvedPaths) | ||
| ); | ||
| const finalCombinedTree = allResolvedTrees.reduce((acc, t) => { | ||
| return acc.combine(t); | ||
| }); | ||
| return { | ||
| value: nextStateValue, | ||
| tree: nextStateValue | ||
| ? this.machine.getStateTree(nextStateValue) | ||
| : undefined, | ||
| tree: finalCombinedTree, | ||
| source: state, | ||
| entryExitStates: Object.keys(transitionMap).reduce( | ||
| (allEntryExitStates, key) => { | ||
| const { value: subStateValue, entryExitStates } = transitionMap[key]; | ||
| const { tree, entryExitStates } = transitionMap[key]; | ||
| // If the event was not handled (no subStateValue), | ||
| // machine should still be in state without reentry/exit. | ||
| if (!subStateValue || !entryExitStates) { | ||
| if (!tree || !entryExitStates) { | ||
| return allEntryExitStates; | ||
@@ -546,4 +541,3 @@ } | ||
| }) | ||
| ), | ||
| paths: toStatePaths(nextStateValue) | ||
| ) | ||
| }; | ||
@@ -583,8 +577,6 @@ } | ||
| return { | ||
| value: undefined, | ||
| tree: undefined, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions, | ||
| paths: [] | ||
| actions | ||
| }; | ||
@@ -624,21 +616,20 @@ } | ||
| // targetless transition | ||
| if (selectedTransition! && nextStateStrings.length === 0) { | ||
| if (selectedTransition && nextStateStrings.length === 0) { | ||
| const tree = state.value | ||
| ? this.machine.getStateTree(state.value) | ||
| : undefined; | ||
| return { | ||
| value: state.value, | ||
| tree: state.value ? this.machine.getStateTree(state.value) : undefined, | ||
| tree, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions, | ||
| paths: [] | ||
| actions | ||
| }; | ||
| } | ||
| if (!selectedTransition! && nextStateStrings.length === 0) { | ||
| if (!selectedTransition && nextStateStrings.length === 0) { | ||
| return { | ||
| value: undefined, | ||
| tree: undefined, | ||
| source: state, | ||
| entryExitStates: undefined, | ||
| actions, | ||
| paths: [] | ||
| actions | ||
| }; | ||
@@ -653,3 +644,2 @@ } | ||
| const nextStatePaths = nextStateNodes.map(stateNode => stateNode.path); | ||
| const isInternal = !!(selectedTransition as TransitionDefinition< | ||
@@ -669,21 +659,19 @@ TContext, | ||
| const value = this.machine.resolve( | ||
| pathsToStateValue( | ||
| flatten( | ||
| nextStateStrings.map(str => | ||
| this.getRelativeStateNodes(str, state.historyValue).map(s => s.path) | ||
| ) | ||
| ) | ||
| ) | ||
| ); | ||
| const trees = nextStateNodes.map(stateNode => stateNode.tree); | ||
| const combinedTree = trees.reduce((acc, t) => { | ||
| return acc.combine(t); | ||
| }); | ||
| return { | ||
| value, | ||
| tree: value ? this.machine.getStateTree(value) : undefined, | ||
| tree: combinedTree, | ||
| source: state, | ||
| entryExitStates, | ||
| actions, | ||
| paths: nextStatePaths | ||
| actions | ||
| }; | ||
| } | ||
| private get tree(): StateTree { | ||
| const stateValue = toStateValue(this.path, this.delimiter); | ||
| return new StateTree(this.machine, stateValue); | ||
| } | ||
| private nodesFromChild( | ||
@@ -768,3 +756,3 @@ childStateNode: StateNode<TContext> | ||
| const entryExitStates = transition.tree | ||
| ? transition.tree.getEntryExitStates( | ||
| ? transition.tree.resolved.getEntryExitStates( | ||
| this.getStateTree(prevState.value), | ||
@@ -924,11 +912,12 @@ transition.entryExitStates | ||
| // if (stateTransition.tree) { | ||
| // const ees = stateTransition.tree.getEntryExitStates( | ||
| // this.getStateNodeValueTree(currentState.value) | ||
| // ); | ||
| // console.log('entry', [...ees.entry].map(s => s.id)); | ||
| // console.log('exit', [...ees.exit].map(s => s.id)); | ||
| // } | ||
| const resolvedStateTransition: StateTransition<TContext> = { | ||
| ...stateTransition, | ||
| tree: stateTransition.tree ? stateTransition.tree.resolved : undefined | ||
| }; | ||
| return this.resolveTransition(stateTransition, currentState, eventObject); | ||
| return this.resolveTransition( | ||
| resolvedStateTransition, | ||
| currentState, | ||
| eventObject | ||
| ); | ||
| } | ||
@@ -941,2 +930,5 @@ private resolveTransition( | ||
| ): State<TContext, TEvents> { | ||
| const resolvedStateValue = stateTransition.tree | ||
| ? stateTransition.tree.stateValue | ||
| : undefined; | ||
| const historyValue = currentState.historyValue | ||
@@ -948,5 +940,5 @@ ? currentState.historyValue | ||
| if (!IS_PRODUCTION) { | ||
| if (!IS_PRODUCTION && stateTransition.tree) { | ||
| try { | ||
| this.ensureValidPaths(stateTransition.paths); | ||
| this.ensureValidPaths(stateTransition.tree.paths); // TODO: ensure code coverage for this | ||
| } catch (e) { | ||
@@ -962,3 +954,3 @@ throw new Error( | ||
| const actions = this.getActions(stateTransition, currentState, isInitial); | ||
| const ees = stateTransition.tree | ||
| const entryExitStates = stateTransition.tree | ||
| ? stateTransition.tree.getEntryExitStates( | ||
@@ -971,4 +963,4 @@ this.getStateTree(currentState.value) | ||
| { | ||
| entry: new Set(ees.entry), | ||
| exit: new Set(ees.exit) | ||
| entry: new Set(entryExitStates.entry), | ||
| exit: new Set(entryExitStates.exit) | ||
| }, | ||
@@ -1022,4 +1014,4 @@ currentState.activities | ||
| const stateNodes = stateTransition.value | ||
| ? this.getStateNodes(stateTransition.value) | ||
| const stateNodes = resolvedStateValue | ||
| ? this.getStateNodes(resolvedStateValue) | ||
| : []; | ||
@@ -1039,8 +1031,8 @@ | ||
| const nextState = stateTransition.value | ||
| const nextState = resolvedStateValue | ||
| ? new State<TContext, TEvents>( | ||
| stateTransition.value, | ||
| resolvedStateValue, | ||
| updatedContext, | ||
| historyValue | ||
| ? StateNode.updateHistoryValue(historyValue, stateTransition.value) | ||
| ? StateNode.updateHistoryValue(historyValue, resolvedStateValue) | ||
| : undefined, | ||
@@ -1170,9 +1162,17 @@ stateTransition.source ? currentState : undefined, | ||
| } | ||
| private resolve(stateValue: StateValue): StateValue { | ||
| public resolve(stateValue: StateValue): StateValue { | ||
| if (typeof stateValue === 'string') { | ||
| const subStateNode = this.getStateNode(stateValue); | ||
| return subStateNode.initial | ||
| ? { [stateValue]: subStateNode.initialStateValue! } | ||
| : stateValue; | ||
| if ( | ||
| subStateNode.type === 'parallel' || | ||
| subStateNode.type === 'compound' | ||
| ) { | ||
| return { [stateValue]: subStateNode.initialStateValue! }; | ||
| } | ||
| return stateValue; | ||
| } | ||
| if (!Object.keys(stateValue).length) { | ||
| return this.initialStateValue || {}; | ||
| } | ||
@@ -1320,13 +1320,2 @@ if (this.type === 'parallel') { | ||
| return initialNextState; | ||
| // return raisedEvents.reduce((nextState, raisedEvent) => { | ||
| // const currentActions = nextState.actions; | ||
| // nextState = this.transition( | ||
| // nextState, | ||
| // raisedEvent.type === actionTypes.null ? NULL_EVENT : raisedEvent.event, | ||
| // nextState.context | ||
| // ); | ||
| // nextState.actions.unshift(...currentActions); | ||
| // return nextState; | ||
| // }, initialNextState); | ||
| } | ||
@@ -1345,3 +1334,2 @@ public get initialState(): State<TContext, TEvents> { | ||
| { | ||
| value: initialStateValue, | ||
| tree: this.getStateTree(initialStateValue), | ||
@@ -1353,4 +1341,3 @@ source: undefined, | ||
| }, | ||
| actions: [], | ||
| paths: [] | ||
| actions: [] | ||
| }, | ||
@@ -1357,0 +1344,0 @@ state, |
| import { StateNode } from './StateNode'; | ||
| import { StateValue, EntryExitStateArrays } from './types'; | ||
| import { mapValues, flatten } from './utils'; | ||
| import { mapValues, flatten, toStatePaths } from './utils'; | ||
| import { matchesState } from './matchesState'; | ||
| export class StateTree { | ||
| public stateNode: StateNode; | ||
| public parent?: StateTree | undefined; | ||
| public done: boolean; | ||
| public value: Record<string, StateTree> | undefined; | ||
| public value: Record<string, StateTree>; | ||
| constructor(stateNode: StateNode, stateValue: StateValue | undefined) { | ||
| this.stateNode = stateNode; | ||
| constructor( | ||
| public stateNode: StateNode, | ||
| public _stateValue: StateValue | undefined | ||
| ) { | ||
| this.value = _stateValue | ||
| ? typeof _stateValue === 'string' | ||
| ? { | ||
| [_stateValue]: new StateTree( | ||
| stateNode.getStateNode(_stateValue), | ||
| undefined | ||
| ) | ||
| } | ||
| : mapValues(_stateValue, (subValue, key) => { | ||
| return new StateTree(stateNode.getStateNode(key), subValue); | ||
| }) | ||
| : {}; | ||
| } | ||
| if (!stateValue) { | ||
| this.done = stateNode.type === 'final'; | ||
| this.value = undefined; | ||
| } else if (typeof stateValue === 'string') { | ||
| const childStateNode = stateNode.getStateNode(stateValue); | ||
| this.done = childStateNode.type === 'final'; | ||
| this.value = { | ||
| [stateValue]: new StateTree( | ||
| childStateNode, | ||
| childStateNode.type === 'compound' || | ||
| childStateNode.type === 'parallel' | ||
| ? childStateNode.initialState.value | ||
| : undefined | ||
| ) | ||
| }; | ||
| } else { | ||
| const value = mapValues(stateValue, (subValue, key) => { | ||
| return new StateTree(stateNode.getStateNode(key), subValue); | ||
| public get done(): boolean { | ||
| switch (this.stateNode.type) { | ||
| case 'final': | ||
| return true; | ||
| case 'compound': | ||
| return this.value[Object.keys(this.value)[0]].done; | ||
| case 'parallel': | ||
| return Object.keys(this.value).some(key => this.value[key].done); | ||
| default: | ||
| return false; | ||
| } | ||
| } | ||
| public get resolved(): StateTree { | ||
| return new StateTree( | ||
| this.stateNode, | ||
| this.stateNode.resolve(this.stateValue) | ||
| ); | ||
| } | ||
| public get paths(): string[][] { | ||
| return toStatePaths(this.stateValue); | ||
| } | ||
| public get absolute(): StateTree { | ||
| const { _stateValue } = this; | ||
| const absoluteStateValue = {}; | ||
| let marker: any = absoluteStateValue; | ||
| this.stateNode.path.forEach((key, i) => { | ||
| if (i === this.stateNode.path.length - 1) { | ||
| marker[key] = _stateValue; | ||
| } else { | ||
| marker[key] = {}; | ||
| marker = marker[key]; | ||
| } | ||
| }); | ||
| return new StateTree(this.stateNode.machine, absoluteStateValue); | ||
| } | ||
| public clone(): StateTree { | ||
| return new StateTree(this.stateNode, this.stateValue); | ||
| } | ||
| public combine(tree: StateTree): StateTree { | ||
| if (tree.stateNode !== this.stateNode) { | ||
| throw new Error('Cannot combine distinct trees'); | ||
| } | ||
| if (this.stateNode.type === 'compound') { | ||
| // Only combine if no child state is defined | ||
| let newValue: Record<string, StateTree>; | ||
| if (!Object.keys(this.value).length || !Object.keys(tree.value).length) { | ||
| newValue = Object.assign({}, this.value, tree.value); | ||
| const newTree = this.clone(); | ||
| newTree.value = newValue; | ||
| return newTree; | ||
| } else { | ||
| const childKey = Object.keys(this.value)[0]; | ||
| newValue = { | ||
| [childKey]: this.value[childKey].combine(tree.value[childKey]) | ||
| }; | ||
| const newTree = this.clone(); | ||
| newTree.value = newValue; | ||
| return newTree; | ||
| } | ||
| } | ||
| if (this.stateNode.type === 'parallel') { | ||
| const keys = new Set([ | ||
| ...Object.keys(this.value), | ||
| ...Object.keys(tree.value) | ||
| ]); | ||
| const newValue: Record<string, StateTree> = {}; | ||
| keys.forEach(key => { | ||
| if (!this.value[key] || !tree.value[key]) { | ||
| newValue[key] = this.value[key] || tree.value[key]; | ||
| } else { | ||
| newValue[key] = this.value[key]!.combine(tree.value[key]!); | ||
| } | ||
| }); | ||
| this.value = value; | ||
| this.done = Object.keys(value).every(key => value[key].done); | ||
| const newTree = this.clone(); | ||
| newTree.value = newValue; | ||
| return newTree; | ||
| } | ||
| // nothing to do | ||
| return this; | ||
| } | ||
@@ -46,3 +132,3 @@ | ||
| if (this.stateNode.type === 'parallel') { | ||
| return mapValues(this.value!, st => { | ||
| return mapValues(this.value, st => { | ||
| return st.stateValue; | ||
@@ -53,8 +139,11 @@ }); | ||
| if (this.stateNode.type === 'compound') { | ||
| const childStateNode = this.value![Object.keys(this.value!)[0]].stateNode; | ||
| if (childStateNode.type === 'atomic') { | ||
| if (Object.keys(this.value).length === 0) { | ||
| return {}; | ||
| } | ||
| const childStateNode = this.value[Object.keys(this.value)[0]].stateNode; | ||
| if (childStateNode.type === 'atomic' || childStateNode.type === 'final') { | ||
| return childStateNode.key; | ||
| } | ||
| return mapValues(this.value!, st => { | ||
| return mapValues(this.value, st => { | ||
| return st.stateValue; | ||
@@ -84,10 +173,11 @@ }); | ||
| if (Object.keys(this.value!)[0]! !== Object.keys(prevTree.value!)[0]!) { | ||
| r1.exit = prevTree.value![ | ||
| Object.keys(prevTree.value!)[0]! | ||
| ].getExitStates(); | ||
| r1.entry = this.value![Object.keys(this.value!)[0]!].getEntryStates(); | ||
| const currentChildKey = Object.keys(this.value)[0]; | ||
| const prevChildKey = Object.keys(prevTree.value)[0]; | ||
| if (currentChildKey !== prevChildKey) { | ||
| r1.exit = prevTree.value[prevChildKey!].getExitStates(); | ||
| r1.entry = this.value[currentChildKey!].getEntryStates(); | ||
| } else { | ||
| r1 = this.value![Object.keys(this.value!)[0]!].getEntryExitStates( | ||
| prevTree.value![Object.keys(prevTree.value!)[0]!], | ||
| r1 = this.value[currentChildKey!].getEntryExitStates( | ||
| prevTree.value[prevChildKey!], | ||
| externalNodes | ||
@@ -104,5 +194,5 @@ ); | ||
| case 'parallel': | ||
| const all = Object.keys(this.value!).map(key => { | ||
| return this.value![key].getEntryExitStates( | ||
| prevTree.value![key], | ||
| const all = Object.keys(this.value).map(key => { | ||
| return this.value[key].getEntryExitStates( | ||
| prevTree.value[key], | ||
| externalNodes | ||
@@ -152,3 +242,3 @@ ); | ||
| Object.keys(this.value).map(key => { | ||
| return this.value![key].getEntryStates(); | ||
| return this.value[key].getEntryStates(); | ||
| }) | ||
@@ -166,3 +256,3 @@ ) | ||
| Object.keys(this.value).map(key => { | ||
| return this.value![key].getExitStates(); | ||
| return this.value[key].getExitStates(); | ||
| }) | ||
@@ -169,0 +259,0 @@ ).concat(this.stateNode); |
@@ -330,3 +330,2 @@ import { StateNode } from './StateNode'; | ||
| export interface StateTransition<TContext> { | ||
| value: StateValue | undefined; | ||
| tree: StateTree | undefined; | ||
@@ -336,3 +335,2 @@ source: State<TContext> | undefined; | ||
| actions: Array<Action<TContext>>; | ||
| paths: string[][]; | ||
| } | ||
@@ -339,0 +337,0 @@ |
@@ -47,3 +47,3 @@ import { State } from './State'; | ||
| export function toStateValue( | ||
| stateValue: State<any> | StateValue, | ||
| stateValue: State<any> | StateValue | string[], | ||
| delimiter: string | ||
@@ -55,2 +55,6 @@ ): StateValue { | ||
| if (Array.isArray(stateValue)) { | ||
| return pathToStateValue(stateValue); | ||
| } | ||
| if (typeof stateValue === 'object' && !(stateValue instanceof State)) { | ||
@@ -158,3 +162,9 @@ return stateValue; | ||
| export const toStatePaths = (stateValue: StateValue): string[][] => { | ||
| export const toStatePaths = ( | ||
| stateValue: StateValue | undefined | ||
| ): string[][] => { | ||
| if (!stateValue) { | ||
| return [[]]; | ||
| } | ||
| if (typeof stateValue === 'string') { | ||
@@ -161,0 +171,0 @@ return [[stateValue]]; |
@@ -83,16 +83,30 @@ import { StateTree } from '../src/StateTree'; | ||
| describe('StateTree', () => { | ||
| it('represents the full value (compound)', () => { | ||
| const st = new StateTree(testMachine, 'a'); | ||
| describe('.resolved', () => { | ||
| it('represents the full value (compound)', () => { | ||
| const st = new StateTree(testMachine, 'a').resolved; | ||
| assert.deepEqual(st.stateValue, { a: 'one' }); | ||
| assert.deepEqual(st.stateValue, { a: 'one' }); | ||
| }); | ||
| it('represents the full value (parallel)', () => { | ||
| const st = new StateTree(testMachine, 'b').resolved; | ||
| assert.deepEqual(st.stateValue, { | ||
| b: { | ||
| one: 'foo', | ||
| two: { foo: 'x' } | ||
| } | ||
| }); | ||
| }); | ||
| }); | ||
| it('represents the full value (parallel)', () => { | ||
| const st = new StateTree(testMachine, 'b'); | ||
| describe('.combine', () => { | ||
| it('combines two state trees (compound)', () => { | ||
| const st_c = new StateTree(testMachine, 'c'); | ||
| const st_c_two = new StateTree(testMachine, { c: 'two' }); | ||
| assert.deepEqual(st.stateValue, { | ||
| b: { | ||
| one: 'foo', | ||
| two: { foo: 'x' } | ||
| } | ||
| const combined = st_c.combine(st_c_two); | ||
| assert.deepEqual(combined.stateValue, { c: { two: {} } }); | ||
| assert.deepEqual(combined.resolved.stateValue, { c: { two: 'aa' } }); | ||
| }); | ||
@@ -113,4 +127,4 @@ }); | ||
| it('getEntryExitStates() should show correct entry/exit state nodes', () => { | ||
| const st_A = new StateTree(testMachine, 'c'); // { c: { one: 'aa' }} | ||
| const st_B = new StateTree(testMachine, { c: { one: 'bb' } }); | ||
| const st_A = new StateTree(testMachine, 'c').resolved; // { c: { one: 'aa' }} | ||
| const st_B = new StateTree(testMachine, { c: { one: 'bb' } }).resolved; | ||
@@ -117,0 +131,0 @@ const res = st_B.getEntryExitStates(st_A); |
New alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Fixed alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
- increased by0.68%
1514839
- Lines of code
- increased by1.3%
19779
No dependency changes