kingly/dist/kingly.umd.min.js

State machine library (Extended Hierarchical State Transducer)

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Cf. log",info:{eventTransitionsInfo:o}}}}},{name:"isHistoryStatesExisting",shouldThrow:!1,predicate:function(t,e,n){var r=n.historyStatesMap,a=n.statesType,i=Array.from(r.entries()).map(function(t){var e=d(t,2),n=e[0],r=e[1];return!(n in a)&&{historyState:n,flatTransitions:r}}).filter(Boolean),o=Object.keys(i).length;return{isFulfilled:0===o,blame:{message:"Found ".concat(o," history pseudo state referring to a control state that is not declared! Check the states property of the state machine definition."),info:{invalidTransitions:i,states:t.states}}}}},{name:"isHistoryStatesTargetStates",shouldThrow:!1,predicate:function(t,e,n){!function(t){if(null==t)throw new TypeError("Cannot destructure undefined")}(n);var r=t.transitions.reduce(function(t,e){return pt(e.from)?t.concat(e):t},[]);return{isFulfilled:0===Object.keys(r).length,blame:{message:"Found a history pseudo state configured as the origin control state for a transition. History pseudo states should only be target control states. Cf. log",info:{wrongHistoryStates:r}}}}},{name:"isHistoryStatesCompoundStates",shouldThrow:!1,predicate:function(t,e,n){var r=n.stateEventTransitionsMaps,a=n.statesType,i=Object.keys(r).map(function(t){return t===y?[]:Object.keys(r[t]).reduce(function(e,n){var i=r[t][n][0],o=i.guards,s=i.to;return o?o.reduce(function(t,e){var n=e.to;return pt(n)&&!a[vt(n)]?t.concat(i):t},e):pt(s)&&!a[vt(s)]?e.concat(i):e},[])}).reduce(function(t,e){return t.concat(e)},[]);return{isFulfilled:0===Object.keys(i).length,blame:{message:"Found a history pseudo state connected to an atomic state! History pseudo states only refer to compound states. Cf. log",info:{wrongHistoryStates:i,states:t.states}}}}}]};var kt=function(t,e,n){return function(t,e){var n=e&&e.debug&&e.debug.console||Q,r=e&&e.debug&&e.debug.trace||$,i=t.description;return function(){for(var e=arguments.length,o=new Array(e),s=0;s<e;s++)o[s]=arguments[s];var c=[],u=t.injected.apply(null,o),f={isFulfilled:t.contracts.reduce(function(t,e){var r=e.name,a=e.predicate,s=e.shouldThrow,f=o.concat(u),l=a.apply(null,f),d=l.isFulfilled,h=l.blame,p="".concat(i," FAILS ").concat(r,"!"),v=h||{},m=v.message,g=v.info;if(d)return t;if(c.push({name:r,message:m,info:g}),n.error(p),n.error([r,m].join(": ")),n.debug("Supporting error data:",g),s)throw new Error([p,"check console for information!"].join("\n"));return!1},!0),failingContracts:c};return r(a({},C,f)),f}}(n,e)(t,e)};function At(){return!0}function Ct(t){var n="State",r={},a={};function i(){}return t={nok:t},i.prototype={current_state_name:y},r[y]=new i,r[S]=new i,function t(i,o){var s;(s=i,Object.keys(s)).forEach(function(s){var c=i[s];if(r[s]=new o,r[s].name=s,r[s].parent_name=/^[\s\r\n]*function[\s\r\n]*([^\(\s\r\n]*?)[\s\r\n]*\([^\)\s\r\n]*\)[\s\r\n]*\{((?:[^}]*\}?)+)\}\s*$/.exec(o.toString())[1],r[s].root_name=n,"object"===e(c)){a[s]=!0;var u=function(){};u.displayName=s,u.prototype=r[s],t(c,u)}})}(t,i),{hashStates:r,isGroupState:a}}function Nt(t,e){var n=t.states,r=t.initialExtendedState,i=t.updateState,o=e||{},s=o.debug,c=o.devTool,u=s&&s.checkContracts||void 0,f=s&&s.console||Q,l=c&&c.tracer||Z,d=function(t,e){return function(n){throw new St(n,t,e)}}(f,l);if(u){var h=function(t,e,n){var r=t.fsmDef,a=t.settings,i=n.throwKinglyError,o=n.tracer;if(e){var s=kt(r,a,e).failingContracts;try{s.length>0&&i({when:"Attempting to create a Kingly machine",location:"createStateMachine",info:{fsmDef:r,settings:a,failingContracts:s},message:"I found that one or more Kingly contracts are violated!"})}catch(t){return o({type:_,trace:{info:t.errors,message:t.message,machineState:{cs:void 0,es:void 0,hs:void 0}}}),t}}}({fsmDef:t,settings:e},u,{throwKinglyError:d,tracer:l});if(h instanceof Error)return h}var p=function(t,e){var n=e.throwKinglyError;return e.tracer,function(e,r){var a=t.name||"";try{return t(e,r)}catch(t){n({when:"Executing updateState function ".concat(a),location:"createStateMachine > wrappedUpdateState",info:{extendedState:e,updates:r},message:t.message,stack:t.stack})}}}(i,{throwKinglyError:d,tracer:l}),v=function(t){var e=t.initialControlState,n=t.transitions,r=gt(n);return e?n.concat([{from:y,event:b,to:e,action:E}]):r?n:void 0}(t),m=Ct(n),g={},S={},w=m.isGroupState,A=m.hashStates;v.forEach(function(t){var n=t.from,r=t.to,i=t.action,o=t.event,c=t.guards;c||(c=[{predicate:void 0,to:r,action:i}]),o===b&&(g[n]=!0);var u=A[n];o||(o=T,S[n]=!0),w[n]&&g[n]&&(S[n]=!0),u[o]=c.reduce(function(t,r,i){var c=r.action||E,u=c.name||c.displayName||"",h=function(t,e){var r=function(r,h,v){n=v||n;var m,b=t.predicate||At,T=b.name||b.displayName||"<anonymous>",S=t.to,w=function(e,r,a){try{return b(e,r,a)}catch(s){d({when:"Executing predicate function ".concat(T),location:"createStateMachine > event handler > condition_checking_fn > shouldTransitionBeTaken",info:{extendedState:e,event:o,event_data:r,settings:a,guard:t,from:n,to:S,index:i},message:["Error occurred while processing event ".concat(o," with target state ").concat(S),s.message].join("\n"),stack:s.stack})}}(r,h,e);if("boolean"!=typeof w&&d({when:"Executing predicate function ".concat(T),location:"createStateMachine > event handler > condition_checking_fn > throwIfInvalidGuardResult",info:{event:o,guard:t,from:n,to:S,index:i,shouldTransitionBeTaken:w},message:"Guard index ".concat(i," with name ").concat(T," did not return a boolean!")}),w){f.info("IN STATE ",rt(n)),t.predicate?(l({type:R,trace:{message:"The guard ".concat(T," is 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that does not have the expected shape!"});var E=O.updates,C=O.outputs;return function(t,e,n){B=function(t,e,n){var r,i=(a(r={},k,Object.assign({},t[k])),a(r,j,Object.assign({},t[j])),r);return n===y?i:((e[n]||[]).reduce(function(t,e){return i[k][e]=n,i[j][e]=t,e},n),i)}(B,H,n[t].name),f.info("LEAVE STATE",rt(t))}(n,0,A),U=p(r,E),function(t,e,n){var r;if(pt(t)){var a=t[k]?k:t[j]?j:void 0,i=t[a];if(!g[i]){var o="Configured a history state unrelated to a compound state! 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