jssm
Version:
A Javascript finite state machine (FSM) with a terse DSL and a simple API. Most FSMs are one-liners. Fast, easy, powerful, well tested, typed with TypeScript, and visualizations. MIT License.
369 lines (358 loc) • 4.2 MB
JavaScript
/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/const{is:i$3,defineProperty:e$3,getOwnPropertyDescriptor:h$1,getOwnPropertyNames:r$3,getOwnPropertySymbols:o$4,getPrototypeOf:n$2}=Object,a$1=globalThis,c$1=a$1.trustedTypes,l$1=c$1?c$1.emptyScript:"",p$1=a$1.reactiveElementPolyfillSupport,d$1=(t,s)=>t,u$1={toAttribute(t,s){switch(s){case Boolean:t=t?l$1:null;break;case Object:case Array:t=null==t?t:JSON.stringify(t);}return t},fromAttribute(t,s){let i=t;switch(s){case Boolean:i=null!==t;break;case Number:i=null===t?null:Number(t);break;case Object:case Array:try{i=JSON.parse(t);}catch(t){i=null;}}return i}},f$1=(t,s)=>!i$3(t,s),b$1={attribute:true,type:String,converter:u$1,reflect:false,useDefault:false,hasChanged:f$1};Symbol.metadata??=Symbol("metadata"),a$1.litPropertyMetadata??=new WeakMap;let y$1 = class y extends HTMLElement{static addInitializer(t){this._$Ei(),(this.l??=[]).push(t);}static get observedAttributes(){return this.finalize(),this._$Eh&&[...this._$Eh.keys()]}static createProperty(t,s=b$1){if(s.state&&(s.attribute=false),this._$Ei(),this.prototype.hasOwnProperty(t)&&((s=Object.create(s)).wrapped=true),this.elementProperties.set(t,s),!s.noAccessor){const i=Symbol(),h=this.getPropertyDescriptor(t,i,s);void 0!==h&&e$3(this.prototype,t,h);}}static getPropertyDescriptor(t,s,i){const{get:e,set:r}=h$1(this.prototype,t)??{get(){return this[s]},set(t){this[s]=t;}};return {get:e,set(s){const h=e?.call(this);r?.call(this,s),this.requestUpdate(t,h,i);},configurable:true,enumerable:true}}static getPropertyOptions(t){return this.elementProperties.get(t)??b$1}static _$Ei(){if(this.hasOwnProperty(d$1("elementProperties")))return;const t=n$2(this);t.finalize(),void 0!==t.l&&(this.l=[...t.l]),this.elementProperties=new Map(t.elementProperties);}static finalize(){if(this.hasOwnProperty(d$1("finalized")))return;if(this.finalized=true,this._$Ei(),this.hasOwnProperty(d$1("properties"))){const t=this.properties,s=[...r$3(t),...o$4(t)];for(const i of 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i=this.constructor,e=i._$Eh.get(t);if(void 0!==e&&this._$Em!==e){const t=i.getPropertyOptions(e),h="function"==typeof t.converter?{fromAttribute:t.converter}:void 0!==t.converter?.fromAttribute?t.converter:u$1;this._$Em=e;const r=h.fromAttribute(s,t.type);this[e]=r??this._$Ej?.get(e)??r,this._$Em=null;}}requestUpdate(t,s,i,e=false,h){if(void 0!==t){const r=this.constructor;if(false===e&&(h=this[t]),i??=r.getPropertyOptions(t),!((i.hasChanged??f$1)(h,s)||i.useDefault&&i.reflect&&h===this._$Ej?.get(t)&&!this.hasAttribute(r._$Eu(t,i))))return;this.C(t,s,i);} false===this.isUpdatePending&&(this._$ES=this._$EP());}C(t,s,{useDefault:i,reflect:e,wrapped:h},r){i&&!(this._$Ej??=new Map).has(t)&&(this._$Ej.set(t,r??s??this[t]),true!==h||void 0!==r)||(this._$AL.has(t)||(this.hasUpdated||i||(s=void 0),this._$AL.set(t,s)),true===e&&this._$Em!==t&&(this._$Eq??=new Set).add(t));}async _$EP(){this.isUpdatePending=true;try{await this._$ES;}catch(t){Promise.reject(t);}const t=this.scheduleUpdate();return null!=t&&await t,!this.isUpdatePending}scheduleUpdate(){return this.performUpdate()}performUpdate(){if(!this.isUpdatePending)return;if(!this.hasUpdated){if(this.renderRoot??=this.createRenderRoot(),this._$Ep){for(const[t,s]of this._$Ep)this[t]=s;this._$Ep=void 0;}const t=this.constructor.elementProperties;if(t.size>0)for(const[s,i]of t){const{wrapped:t}=i,e=this[s];true!==t||this._$AL.has(s)||void 0===e||this.C(s,void 0,i,e);}}let t=false;const s=this._$AL;try{t=this.shouldUpdate(s),t?(this.willUpdate(s),this._$EO?.forEach(t=>t.hostUpdate?.()),this.update(s)):this._$EM();}catch(s){throw t=false,this._$EM(),s}t&&this._$AE(s);}willUpdate(t){}_$AE(t){this._$EO?.forEach(t=>t.hostUpdated?.()),this.hasUpdated||(this.hasUpdated=true,this.firstUpdated(t)),this.updated(t);}_$EM(){this._$AL=new Map,this.isUpdatePending=false;}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$ES}shouldUpdate(t){return true}update(t){this._$Eq&&=this._$Eq.forEach(t=>this._$ET(t,this[t])),this._$EM();}updated(t){}firstUpdated(t){}};y$1.elementStyles=[],y$1.shadowRootOptions={mode:"open"},y$1[d$1("elementProperties")]=new Map,y$1[d$1("finalized")]=new Map,p$1?.({ReactiveElement:y$1}),(a$1.reactiveElementVersions??=[]).push("2.1.2");
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const t$1=globalThis,i$2=t=>t,s$1=t$1.trustedTypes,e$2=s$1?s$1.createPolicy("lit-html",{createHTML:t=>t}):void 0,h="$lit$",o$3=`lit$${Math.random().toFixed(9).slice(2)}$`,n$1="?"+o$3,r$2=`<${n$1}>`,l=document,c=()=>l.createComment(""),a=t=>null===t||"object"!=typeof t&&"function"!=typeof t,u=Array.isArray,d=t=>u(t)||"function"==typeof t?.[Symbol.iterator],f="[ \t\n\f\r]",v=/<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g,_=/-->/g,m=/>/g,p=RegExp(`>|${f}(?:([^\\s"'>=/]+)(${f}*=${f}*(?:[^ \t\n\f\r"'\`<>=]|("|')|))|$)`,"g"),g=/'/g,$=/"/g,y=/^(?:script|style|textarea|title)$/i,x=t=>(i,...s)=>({_$litType$:t,strings:i,values:s}),b=x(1),E=Symbol.for("lit-noChange"),A=Symbol.for("lit-nothing"),C=new WeakMap,P=l.createTreeWalker(l,129);function V(t,i){if(!u(t)||!t.hasOwnProperty("raw"))throw Error("invalid template strings array");return void 0!==e$2?e$2.createHTML(i):i}const N=(t,i)=>{const s=t.length-1,e=[];let n,l=2===i?"<svg>":3===i?"<math>":"",c=v;for(let i=0;i<s;i++){const s=t[i];let a,u,d=-1,f=0;for(;f<s.length&&(c.lastIndex=f,u=c.exec(s),null!==u);)f=c.lastIndex,c===v?"!--"===u[1]?c=_:void 0!==u[1]?c=m:void 0!==u[2]?(y.test(u[2])&&(n=RegExp("</"+u[2],"g")),c=p):void 0!==u[3]&&(c=p):c===p?">"===u[0]?(c=n??v,d=-1):void 0===u[1]?d=-2:(d=c.lastIndex-u[2].length,a=u[1],c=void 0===u[3]?p:'"'===u[3]?$:g):c===$||c===g?c=p:c===_||c===m?c=v:(c=p,n=void 0);const x=c===p&&t[i+1].startsWith("/>")?" 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tagName(){return this.element.tagName}get _$AU(){return this._$AM._$AU}constructor(t,i,s,e,h){this.type=1,this._$AH=A,this._$AN=void 0,this.element=t,this.name=i,this._$AM=e,this.options=h,s.length>2||""!==s[0]||""!==s[1]?(this._$AH=Array(s.length-1).fill(new String),this.strings=s):this._$AH=A;}_$AI(t,i=this,s,e){const h=this.strings;let o=false;if(void 0===h)t=M(this,t,i,0),o=!a(t)||t!==this._$AH&&t!==E,o&&(this._$AH=t);else {const e=t;let n,r;for(t=h[0],n=0;n<h.length-1;n++)r=M(this,e[s+n],i,n),r===E&&(r=this._$AH[n]),o||=!a(r)||r!==this._$AH[n],r===A?t=A:t!==A&&(t+=(r??"")+h[n+1]),this._$AH[n]=r;}o&&!e&&this.j(t);}j(t){t===A?this.element.removeAttribute(this.name):this.element.setAttribute(this.name,t??"");}}class I extends H{constructor(){super(...arguments),this.type=3;}j(t){this.element[this.name]=t===A?void 0:t;}}class L extends H{constructor(){super(...arguments),this.type=4;}j(t){this.element.toggleAttribute(this.name,!!t&&t!==A);}}class z extends H{constructor(t,i,s,e,h){super(t,i,s,e,h),this.type=5;}_$AI(t,i=this){if((t=M(this,t,i,0)??A)===E)return;const s=this._$AH,e=t===A&&s!==A||t.capture!==s.capture||t.once!==s.once||t.passive!==s.passive,h=t!==A&&(s===A||e);e&&this.element.removeEventListener(this.name,this,s),h&&this.element.addEventListener(this.name,this,t),this._$AH=t;}handleEvent(t){"function"==typeof this._$AH?this._$AH.call(this.options?.host??this.element,t):this._$AH.handleEvent(t);}}class Z{constructor(t,i,s){this.element=t,this.type=6,this._$AN=void 0,this._$AM=i,this.options=s;}get _$AU(){return this._$AM._$AU}_$AI(t){M(this,t);}}const B=t$1.litHtmlPolyfillSupport;B?.(S,k),(t$1.litHtmlVersions??=[]).push("3.3.2");const D=(t,i,s)=>{const e=s?.renderBefore??i;let h=e._$litPart$;if(void 0===h){const t=s?.renderBefore??null;e._$litPart$=h=new k(i.insertBefore(c(),t),t,void 0,s??{});}return h._$AI(t),h};
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/const s=globalThis;let i$1 = class i extends y$1{constructor(){super(...arguments),this.renderOptions={host:this},this._$Do=void 0;}createRenderRoot(){const t=super.createRenderRoot();return this.renderOptions.renderBefore??=t.firstChild,t}update(t){const r=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(t),this._$Do=D(r,this.renderRoot,this.renderOptions);}connectedCallback(){super.connectedCallback(),this._$Do?.setConnected(true);}disconnectedCallback(){super.disconnectedCallback(),this._$Do?.setConnected(false);}render(){return E}};i$1._$litElement$=true,i$1["finalized"]=true,s.litElementHydrateSupport?.({LitElement:i$1});const o$2=s.litElementPolyfillSupport;o$2?.({LitElement:i$1});(s.litElementVersions??=[]).push("4.2.2");
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/const o$1={attribute:true,type:String,converter:u$1,reflect:false,hasChanged:f$1},r$1=(t=o$1,e,r)=>{const{kind:n,metadata:i}=r;let s=globalThis.litPropertyMetadata.get(i);if(void 0===s&&globalThis.litPropertyMetadata.set(i,s=new Map),"setter"===n&&((t=Object.create(t)).wrapped=true),s.set(r.name,t),"accessor"===n){const{name:o}=r;return {set(r){const n=e.get.call(this);e.set.call(this,r),this.requestUpdate(o,n,t,true,r);},init(e){return void 0!==e&&this.C(o,void 0,t,e),e}}}if("setter"===n){const{name:o}=r;return function(r){const n=this[o];e.call(this,r),this.requestUpdate(o,n,t,true,r);}}throw Error("Unsupported decorator location: "+n)};function n(t){return (e,o)=>"object"==typeof o?r$1(t,e,o):((t,e,o)=>{const r=e.hasOwnProperty(o);return e.constructor.createProperty(o,t),r?Object.getOwnPropertyDescriptor(e,o):void 0})(t,e,o)}
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/function r(r){return n({...r,state:true,attribute:false})}
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const t={CHILD:2},e$1=t=>(...e)=>({_$litDirective$:t,values:e});class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,e,i){this._$Ct=t,this._$AM=e,this._$Ci=i;}_$AS(t,e){return this.update(t,e)}update(t,e){return this.render(...e)}}
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/class e extends i{constructor(i){if(super(i),this.it=A,i.type!==t.CHILD)throw Error(this.constructor.directiveName+"() can only be used in child bindings")}render(r){if(r===A||null==r)return this._t=void 0,this.it=r;if(r===E)return r;if("string"!=typeof r)throw Error(this.constructor.directiveName+"() called with a non-string value");if(r===this.it)return this._t;this.it=r;const s=[r];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName="unsafeHTML",e.resultType=1;const o=e$1(e);
class circular_buffer{constructor(uCapacity){if(!Number.isInteger(uCapacity)){throw new RangeError(`Capacity must be an integer, received ${uCapacity}`)}if(uCapacity<0){throw new RangeError(`Capacity must be a non-negative integer, received ${uCapacity}`)}this._values=new Array(uCapacity);this._capacity=uCapacity;this._cursor=0;this._offset=0;this._length=0;}get capacity(){return this._capacity}set capacity(newSize){this.resize(newSize);}get length(){return this._length}set length(newLength){if(newLength>this._capacity){throw new RangeError(`Requested new length [${newLength}] exceeds container capacity [${this._capacity}]`)}if(newLength<0){throw new RangeError(`Requested new length [${newLength}] cannot be negative`)}if(!Number.isInteger(newLength)){throw new RangeError(`Requested new length [${newLength}] must be an integer`)}if(this._length<=newLength){return}this._length=newLength;}get available(){return this._capacity-this._length}get isEmpty(){return this._length===0}get isFull(){return this._length===this._capacity}get first(){if(this.isEmpty){throw new RangeError("Cannot return first element of an empty container")}return this.at(0)}get last(){if(this.isEmpty){throw new RangeError("Cannot return last element of an empty container")}return this.at(this.length-1)}static from(i,map_fn,t){const new_array=map_fn?Array.from(i,map_fn,t):Array.from(i);const target_length=new_array.length;const ncb=new circular_buffer(target_length);ncb._values=new_array;ncb._length=target_length;return ncb}push(v){if(this.isFull){throw new RangeError(`Cannot push, structure is full to capacity`)}this._values[(this._cursor+this._length++)%this._capacity]=v;return v}shove(v){let shoved;if(this._capacity===0){throw new RangeError(`Cannot shove, structure is zero-capacity`)}if(this.isFull){shoved=this.pop();}this.push(v);return shoved}fill(x){for(let i=0;i<this._capacity;i++){this._values[i]=x;}this._length=this._capacity;return this._values}indexOf(searchElement,fromIndex){const normalized=this.toArray();return normalized.indexOf(searchElement,fromIndex)}find(predicate,thisArg){return this.toArray().find(predicate,thisArg)}every(functor,thisArg){const normalized=this.toArray(),res=normalized.every(functor,thisArg);this._values=normalized;this._values.length=this._capacity;this._cursor=0;return res}some(functor,thisArg){const normalized=this.toArray(),res=normalized.some(functor,thisArg);this._values=normalized;this._values.length=this._capacity;this._cursor=0;return res}reverse(){const normalized=this.toArray();this._values=normalized.reverse();this._values.length=this._capacity;this._cursor=0;return this}clear(){const old=this.toArray();this._length=0;return old}pop(){if(this._length<=0){throw new RangeError(`Cannot pop, structure is empty`)}const cache=this.at(0);--this._length;++this._offset;++this._cursor;if(this._cursor>=this._capacity){this._cursor-=this._capacity;}return cache}at(i){if(i<0){throw new RangeError(`circular_buffer does not support negative traversals; called at(${i})`)}if(!Number.isInteger(i)){throw new RangeError(`Accessors must be non-negative integers; called at(${i})`)}if(i>=this._capacity){throw new RangeError(`Requested cell ${i} exceeds container permanent capacity`)}if(i>=this._length){throw new RangeError(`Requested cell ${i} exceeds container current length`)}return this._values[(this._cursor+i)%this._capacity]}pos(i){return this.at(i-this.offset())}offset(){return this._offset}resize(newSize,preferEnd=false){this._values=this.toArray();this._cursor=0;const oldSize=this._length;this._length=Math.min(this._length,newSize);this._capacity=newSize;if(newSize>=oldSize){this._values.length=newSize;}else {if(preferEnd){const tmp=this._values.slice(oldSize-newSize);this._values=tmp;}else {this._values.length=newSize;}}}toArray(){const startPoint=this._cursor%this._capacity;if(this._capacity>startPoint+this._length){return this._values.slice(startPoint,startPoint+this._length)}else {const base=this._values.slice(startPoint,this._capacity);base.push(...this._values.slice(0,this.length-(this._capacity-startPoint)));return base}}}
/*******
*
* Custom error class for jssm. Enriches the standard `Error` with
* machine context (current state, instance name) and an optional
* `requested_state` so that error messages are self-describing.
*
* ```typescript
* throw new JssmError(machine, 'no such state', { requested_state: 'Blue' });
* // JssmError: [[my-light]]: no such state (at "Red", requested "Blue")
* ```
*
* @param machine - The `Machine` instance that raised the error, or
* `undefined` if no machine is available. Used to
* read `state()` and `instance_name()` for context.
* @param message - A human-readable description of the error.
* @param JEEI - Optional {@link JssmErrorExtendedInfo} with extra
* context such as `requested_state`.
*
*/
class JssmError extends Error {
constructor(machine, message, JEEI) {
const { requested_state } = (JEEI === undefined)
? { requested_state: undefined }
: JEEI;
const follow_ups = [];
if (machine) {
if (machine.state() !== undefined) {
follow_ups.push(`at "${machine.state()}"`);
}
}
if (requested_state !== undefined) {
follow_ups.push(`requested "${requested_state}"`);
}
const complex_msg = `${((machine === null || machine === void 0 ? void 0 : machine.instance_name()) !== undefined)
? `[[${machine.instance_name()}]]: `
: ''}${message}${follow_ups.length
? ` (${follow_ups.join(', ')})`
: ''}`;
super(complex_msg);
this.name = 'JssmError';
this.message = complex_msg;
this.base_message = message;
this.requested_state = requested_state;
}
}
/* eslint-enable complexity */
/* eslint-disable complexity */
/*********
*
* Return the direction of an arrow - `right`, `left`, or `both`.
*
* ```typescript
* import { arrow_left_kind } from 'jssm';
*
* arrow_left_kind('<-'); // 'legal'
* arrow_left_kind('<='); // 'main'
* arrow_left_kind('<~'); // 'forced'
* arrow_left_kind('<->'); // 'legal'
* arrow_left_kind('->'); // 'none'
* ```
*
* @param arrow The arrow to be evaluated
*
*/
function arrow_left_kind(arrow) {
switch (String(arrow)) {
case '->':
case '→':
case '=>':
case '⇒':
case '~>':
case '↛':
return 'none';
case '<-':
case '←':
case '<->':
case '↔':
case '<-=>':
case '←⇒':
case '←=>':
case '<-⇒':
case '<-~>':
case '←↛':
case '←~>':
case '<-↛':
return 'legal';
case '<=':
case '⇐':
case '<=>':
case '⇔':
case '<=->':
case '⇐→':
case '⇐->':
case '<=→':
case '<=~>':
case '⇐↛':
case '⇐~>':
case '<=↛':
return 'main';
case '<~':
case '↚':
case '<~>':
case '↮':
case '<~->':
case '↚→':
case '↚->':
case '<~→':
case '<~=>':
case '↚⇒':
case '↚=>':
case '<~⇒':
return 'forced';
default:
throw new JssmError(undefined, `arrow_direction: unknown arrow type ${arrow}`);
}
}
/* eslint-enable complexity */
/* eslint-disable complexity */
/*********
*
* Return the direction of an arrow - `right`, `left`, or `both`.
*
* ```typescript
* import { arrow_left_kind } from 'jssm';
*
* arrow_left_kind('->'); // 'legal'
* arrow_left_kind('=>'); // 'main'
* arrow_left_kind('~>'); // 'forced'
* arrow_left_kind('<->'); // 'legal'
* arrow_left_kind('<-'); // 'none'
* ```
*
* @param arrow The arrow to be evaluated
*
*/
function arrow_right_kind(arrow) {
switch (String(arrow)) {
case '<-':
case '←':
case '<=':
case '⇐':
case '<~':
case '↚':
return 'none';
case '->':
case '→':
case '<->':
case '↔':
case '<=->':
case '⇐→':
case '⇐->':
case '<=→':
case '<~->':
case '↚→':
case '↚->':
case '<~→':
return 'legal';
case '=>':
case '⇒':
case '<=>':
case '⇔':
case '<-=>':
case '←⇒':
case '←=>':
case '<-⇒':
case '<~=>':
case '↚⇒':
case '↚=>':
case '<~⇒':
return 'main';
case '~>':
case '↛':
case '<~>':
case '↮':
case '<-~>':
case '←↛':
case '←~>':
case '<-↛':
case '<=~>':
case '⇐↛':
case '⇐~>':
case '<=↛':
return 'forced';
default:
throw new JssmError(undefined, `arrow_direction: unknown arrow type ${arrow}`);
}
}
/*
* Generated by PEG.js 0.10.0.
*
* http://pegjs.org/
*/
function peg$subclass(child, parent) {
function ctor() { this.constructor = child; }
ctor.prototype = parent.prototype;
child.prototype = new ctor();
}
function peg$SyntaxError(message, expected, found, location) {
this.message = message;
this.expected = expected;
this.found = found;
this.location = location;
this.name = "SyntaxError";
if (typeof Error.captureStackTrace === "function") {
Error.captureStackTrace(this, peg$SyntaxError);
}
}
peg$subclass(peg$SyntaxError, Error);
peg$SyntaxError.buildMessage = function (expected, found) {
var DESCRIBE_EXPECTATION_FNS = {
literal: function (expectation) {
return "\"" + literalEscape(expectation.text) + "\"";
},
"class": function (expectation) {
var escapedParts = "", i;
for (i = 0; i < expectation.parts.length; i++) {
escapedParts += expectation.parts[i] instanceof Array
? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1])
: classEscape(expectation.parts[i]);
}
return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]";
},
any: function (expectation) {
return "any character";
},
end: function (expectation) {
return "end of input";
},
other: function (expectation) {
return expectation.description;
}
};
function hex(ch) {
return ch.charCodeAt(0).toString(16).toUpperCase();
}
function literalEscape(s) {
return s
.replace(/\\/g, '\\\\')
.replace(/"/g, '\\"')
.replace(/\0/g, '\\0')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\r/g, '\\r')
.replace(/[\x00-\x0F]/g, function (ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { return '\\x' + hex(ch); });
}
function classEscape(s) {
return s
.replace(/\\/g, '\\\\')
.replace(/\]/g, '\\]')
.replace(/\^/g, '\\^')
.replace(/-/g, '\\-')
.replace(/\0/g, '\\0')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\r/g, '\\r')
.replace(/[\x00-\x0F]/g, function (ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { return '\\x' + hex(ch); });
}
function describeExpectation(expectation) {
return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
}
function describeExpected(expected) {
var descriptions = new Array(expected.length), i, j;
for (i = 0; i < expected.length; i++) {
descriptions[i] = describeExpectation(expected[i]);
}
descriptions.sort();
if (descriptions.length > 0) {
for (i = 1, j = 1; i < descriptions.length; i++) {
if (descriptions[i - 1] !== descriptions[i]) {
descriptions[j] = descriptions[i];
j++;
}
}
descriptions.length = j;
}
switch (descriptions.length) {
case 1:
return descriptions[0];
case 2:
return descriptions[0] + " or " + descriptions[1];
default:
return descriptions.slice(0, -1).join(", ")
+ ", or "
+ descriptions[descriptions.length - 1];
}
}
function describeFound(found) {
return found ? "\"" + literalEscape(found) + "\"" : "end of input";
}
return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found.";
};
function peg$parse(input, options) {
options = options !== void 0 ? options : {};
var peg$FAILED = {}, peg$startRuleFunctions = { Document: peg$parseDocument }, peg$startRuleFunction = peg$parseDocument, peg$c0 = function (e) { return e; }, peg$c1 = "none", peg$c2 = peg$literalExpectation("none", false), peg$c3 = "default", peg$c4 = peg$literalExpectation("default", false), peg$c5 = "modern", peg$c6 = peg$literalExpectation("modern", false), peg$c7 = "ocean", peg$c8 = peg$literalExpectation("ocean", false), peg$c9 = "bold", peg$c10 = peg$literalExpectation("bold", false), peg$c11 = "[", peg$c12 = peg$literalExpectation("[", false), peg$c13 = "]", peg$c14 = peg$literalExpectation("]", false), peg$c15 = function (ths, th) { const themes = ths.map(t => t[0]); if (th)
themes.push(th); return themes; }, peg$c16 = function (th) { return [th]; }, peg$c17 = "box3d", peg$c18 = peg$literalExpectation("box3d", false), peg$c19 = "polygon", peg$c20 = peg$literalExpectation("polygon", false), peg$c21 = "ellipse", peg$c22 = peg$literalExpectation("ellipse", false), peg$c23 = "oval", peg$c24 = peg$literalExpectation("oval", false), peg$c25 = "circle", peg$c26 = peg$literalExpectation("circle", false), peg$c27 = "point", peg$c28 = peg$literalExpectation("point", false), peg$c29 = "egg", peg$c30 = peg$literalExpectation("egg", false), peg$c31 = "triangle", peg$c32 = peg$literalExpectation("triangle", false), peg$c33 = "plaintext", peg$c34 = peg$literalExpectation("plaintext", false), peg$c35 = "plain", peg$c36 = peg$literalExpectation("plain", false), peg$c37 = "diamond", peg$c38 = peg$literalExpectation("diamond", false), peg$c39 = "trapezium", peg$c40 = peg$literalExpectation("trapezium", false), peg$c41 = "parallelogram", peg$c42 = peg$literalExpectation("parallelogram", false), peg$c43 = "house", peg$c44 = peg$literalExpectation("house", false), peg$c45 = "pentagon", peg$c46 = peg$literalExpectation("pentagon", false), peg$c47 = "hexagon", peg$c48 = peg$literalExpectation("hexagon", false), peg$c49 = "septagon", peg$c50 = peg$literalExpectation("septagon", false), peg$c51 = "octagon", peg$c52 = peg$literalExpectation("octagon", false), peg$c53 = "doublecircle", peg$c54 = peg$literalExpectation("doublecircle", false), peg$c55 = "doubleoctagon", peg$c56 = peg$literalExpectation("doubleoctagon", false), peg$c57 = "tripleoctagon", peg$c58 = peg$literalExpectation("tripleoctagon", false), peg$c59 = "invtriangle", peg$c60 = peg$literalExpectation("invtriangle", false), peg$c61 = "invtrapezium", peg$c62 = peg$literalExpectation("invtrapezium", false), peg$c63 = "invhouse", peg$c64 = peg$literalExpectation("invhouse", false), peg$c65 = "Mdiamond", peg$c66 = peg$literalExpectation("Mdiamond", false), peg$c67 = "Msquare", peg$c68 = peg$literalExpectation("Msquare", false), peg$c69 = "Mcircle", peg$c70 = peg$literalExpectation("Mcircle", false), peg$c71 = "rectangle", peg$c72 = peg$literalExpectation("rectangle", false), peg$c73 = "rect", peg$c74 = peg$literalExpectation("rect", false), peg$c75 = "square", peg$c76 = peg$literalExpectation("square", false), peg$c77 = "star", peg$c78 = peg$literalExpectation("star", false), peg$c79 = "underline", peg$c80 = peg$literalExpectation("underline", false), peg$c81 = "cylinder", peg$c82 = peg$literalExpectation("cylinder", false), peg$c83 = "note", peg$c84 = peg$literalExpectation("note", false), peg$c85 = "tab", peg$c86 = peg$literalExpectation("tab", false), peg$c87 = "folder", peg$c88 = peg$literalExpectation("folder", false), peg$c89 = "box", peg$c90 = peg$literalExpectation("box", false), peg$c91 = "component", peg$c92 = peg$literalExpectation("component", false), peg$c93 = "promoter", peg$c94 = peg$literalExpectation("promoter", false), peg$c95 = "cds", peg$c96 = peg$literalExpectation("cds", false), peg$c97 = "terminator", peg$c98 = peg$literalExpectation("terminator", false), peg$c99 = "utr", peg$c100 = peg$literalExpectation("utr", false), peg$c101 = "primersite", peg$c102 = peg$literalExpectation("primersite", false), peg$c103 = "restrictionsite", peg$c104 = peg$literalExpectation("restrictionsite", false), peg$c105 = "fivepoverhang", peg$c106 = peg$literalExpectation("fivepoverhang", false), peg$c107 = "threepoverhang", peg$c108 = peg$literalExpectation("threepoverhang", false), peg$c109 = "noverhang", peg$c110 = peg$literalExpectation("noverhang", false), peg$c111 = "assembly", peg$c112 = peg$literalExpectation("assembly", false), peg$c113 = "signature", peg$c114 = peg$literalExpectation("signature", false), peg$c115 = "insulator", peg$c116 = peg$literalExpectation("insulator", false), peg$c117 = "ribosite", peg$c118 = peg$literalExpectation("ribosite", false), peg$c119 = "rnastab", peg$c120 = peg$literalExpectation("rnastab", false), peg$c121 = "proteasesite", peg$c122 = peg$literalExpectation("proteasesite", false), peg$c123 = "proteinstab", peg$c124 = peg$literalExpectation("proteinstab", false), peg$c125 = "rpromoter", peg$c126 = peg$literalExpectation("rpromoter", false), peg$c127 = "rarrow", peg$c128 = peg$literalExpectation("rarrow", false), peg$c129 = "larrow", peg$c130 = peg$literalExpectation("larrow", false), peg$c131 = "lpromoter", peg$c132 = peg$literalExpectation("lpromoter", false), peg$c133 = "record", peg$c134 = peg$literalExpectation("record", false), peg$c135 = peg$otherExpectation("forward light arrow ->"), peg$c136 = "->", peg$c137 = peg$literalExpectation("->", false), peg$c138 = "\u2192", peg$c139 = peg$literalExpectation("\u2192", false), peg$c140 = function () { return "->"; }, peg$c141 = peg$otherExpectation("two way light arrow <->"), peg$c142 = "<->", peg$c143 = peg$literalExpectation("<->", false), peg$c144 = "\u2194", peg$c145 = peg$literalExpectation("\u2194", false), peg$c146 = function () { return "<->"; }, peg$c147 = peg$otherExpectation("back light arrow <-"), peg$c148 = "<-", peg$c149 = peg$literalExpectation("<-", false), peg$c150 = "\u2190", peg$c151 = peg$literalExpectation("\u2190", false), peg$c152 = function () { return "<-"; }, peg$c153 = peg$otherExpectation("forward fat arrow =>"), peg$c154 = "=>", peg$c155 = peg$literalExpectation("=>", false), peg$c156 = "\u21D2", peg$c157 = peg$literalExpectation("\u21D2", false), peg$c158 = function () { return "=>"; }, peg$c159 = peg$otherExpectation("two way fat arrow <=>"), peg$c160 = "<=>", peg$c161 = peg$literalExpectation("<=>", false), peg$c162 = "\u21D4", peg$c163 = peg$literalExpectation("\u21D4", false), peg$c164 = function () { return "<=>"; }, peg$c165 = peg$otherExpectation("back fat arrow <="), peg$c166 = "<=", peg$c167 = peg$literalExpectation("<=", false), peg$c168 = "\u21D0", peg$c169 = peg$literalExpectation("\u21D0", false), peg$c170 = function () { return "<="; }, peg$c171 = peg$otherExpectation("forward tilde arrow ~>"), peg$c172 = "~>", peg$c173 = peg$literalExpectation("~>", false), peg$c174 = "\u219B", peg$c175 = peg$literalExpectation("\u219B", false), peg$c176 = function () { return "~>"; }, peg$c177 = peg$otherExpectation("two way tilde arrow <~>"), peg$c178 = "<~>", peg$c179 = peg$literalExpectation("<~>", false), peg$c180 = "\u21AE", peg$c181 = peg$literalExpectation("\u21AE", false), peg$c182 = function () { return "<~>"; }, peg$c183 = peg$otherExpectation("back tilde arrow <~"), peg$c184 = "<~", peg$c185 = peg$literalExpectation("<~", false), peg$c186 = "\u219A", peg$c187 = peg$literalExpectation("\u219A", false), peg$c188 = function () { return "<~"; }, peg$c189 = peg$otherExpectation("light fat arrow <-=>"), peg$c190 = "<-=>", peg$c191 = peg$literalExpectation("<-=>", false), peg$c192 = "\u2190\u21D2", peg$c193 = peg$literalExpectation("\u2190\u21D2", false), peg$c194 = function () { return "<-=>"; }, peg$c195 = peg$otherExpectation("light tilde arrow <-~>"), peg$c196 = "<-~>", peg$c197 = peg$literalExpectation("<-~>", false), peg$c198 = "\u2190\u219B", peg$c199 = peg$literalExpectation("\u2190\u219B", false), peg$c200 = function () { return "<-~>"; }, peg$c201 = peg$otherExpectation("fat light arrow <=->"), peg$c202 = "<=->", peg$c203 = peg$literalExpectation("<=->", false), peg$c204 = "\u21D0\u2192", peg$c205 = peg$literalExpectation("\u21D0\u2192", false), peg$c206 = function () { return "<=->"; }, peg$c207 = peg$otherExpectation("fat tilde arrow <=~>"), peg$c208 = "<=~>", peg$c209 = peg$literalExpectation("<=~>", false), peg$c210 = "\u21D0\u219B", peg$c211 = peg$literalExpectation("\u21D0\u219B", false), peg$c212 = function () { return "<=~>"; }, peg$c213 = peg$otherExpectation("tilde light arrow <~->"), peg$c214 = "<~->", peg$c215 = peg$literalExpectation("<~->", false), peg$c216 = "\u219A\u2192", peg$c217 = peg$literalExpectation("\u219A\u2192", false), peg$c218 = function () { return "<~->"; }, peg$c219 = peg$otherExpectation("tilde fat arrow <~=>"), peg$c220 = "<~=>", peg$c221 = peg$literalExpectation("<~=>", false), peg$c222 = "\u219A\u21D2", peg$c223 = peg$literalExpectation("\u219A\u21D2", false), peg$c224 = function () { return "<~=>"; }, peg$c225 = peg$otherExpectation("light arrow"), peg$c226 = peg$otherExpectation("fat arrow"), peg$c227 = peg$otherExpectation("tilde arrow"), peg$c228 = peg$otherExpectation("mixed arrow"), peg$c229 = peg$otherExpectation("arrow"), peg$c230 = "true", peg$c231 = peg$literalExpectation("true", false), peg$c232 = function () { return true; }, peg$c233 = "false", peg$c234 = peg$literalExpectation("false", false), peg$c235 = function () { return false; }, peg$c236 = "regular", peg$c237 = peg$literalExpectation("regular", false), peg$c238 = "rounded", peg$c239 = peg$literalExpectation("rounded", false), peg$c240 = "lined", peg$c241 = peg$literalExpectation("lined", false), peg$c242 = "solid", peg$c243 = peg$literalExpectation("solid", false), peg$c244 = "dotted", peg$c245 = peg$literalExpectation("dotted", false), peg$c246 = "dashed", peg$c247 = peg$literalExpectation("dashed", false), peg$c248 = "\"", peg$c249 = peg$literalExpectation("\"", false), peg$c250 = "\\", peg$c251 = peg$literalExpectation("\\", false), peg$c252 = "/", peg$c253 = peg$literalExpectation("/", false), peg$c254 = "b", peg$c255 = peg$literalExpectation("b", false), peg$c256 = function () { return "\b"; }, peg$c257 = "f", peg$c258 = peg$literalExpectation("f", false), peg$c259 = function () { return "\f"; }, peg$c260 = "n", peg$c261 = peg$literalExpectation("n", false), peg$c262 = function () { return "\n"; }, peg$c263 = "r", peg$c264 = peg$literalExpectation("r", false), peg$c265 = function () { return "\r"; }, peg$c266 = "t", peg$c267 = peg$literalExpectation("t", false), peg$c268 = function () { return "\t"; }, peg$c269 = "v", peg$c270 = peg$literalExpectation("v", false), peg$c271 = function () { return "\v"; }, peg$c272 = "u", peg$c273 = peg$literalExpectation("u", false), peg$c274 = function (digits) {
return String.fromCharCode(parseInt(digits, 16));
}, peg$c275 = function (Sequence) { return Sequence; }, peg$c276 = "null", peg$c277 = peg$literalExpectation("null", false), peg$c278 = function () { return null; }, peg$c279 = "undefined", peg$c280 = peg$literalExpectation("undefined", false), peg$c281 = function () { return undefined; }, peg$c282 = /^[\0-!#-[\]-\uFFFF]/, peg$c283 = peg$classExpectation([["\0", "!"], ["#", "["], ["]", "\uFFFF"]], false, false), peg$c284 = "'", peg$c285 = peg$literalExpectation("'", false), peg$c286 = /^[ -&(-[\]-\uFFFF]/, peg$c287 = peg$classExpectation([[" ", "&"], ["(", "["], ["]", "\uFFFF"]], false, false), peg$c288 = peg$otherExpectation("action label"), peg$c289 = function (chars) { return chars.join(""); }, peg$c290 = /^[\n\r\u2028\u2029]/, peg$c291 = peg$classExpectation(["\n", "\r", "\u2028", "\u2029"], false, false), peg$c292 = "*/", peg$c293 = peg$literalExpectation("*/", false), peg$c294 = peg$anyExpectation(), peg$c295 = peg$otherExpectation("block comment"), peg$c296 = "/*", peg$c297 = peg$literalExpectation("/*", false), peg$c298 = peg$otherExpectation("line comment"), peg$c299 = "//", peg$c300 = peg$literalExpectation("//", false), peg$c301 = peg$otherExpectation("whitespace"), peg$c302 = /^[ \t\r\n\x0B]/, peg$c303 = peg$classExpectation([" ", "\t", "\r", "\n", "\x0B"], false, false), peg$c304 = peg$otherExpectation("string"), peg$c305 = /^[0-9a-zA-Z._!$\^*!?,\x80-\uFFFF]/, peg$c306 = peg$classExpectation([["0", "9"], ["a", "z"], ["A", "Z"], ".", "_", "!", "$", "^", "*", "!", "?", ",", ["\x80", "\uFFFF"]], false, false), peg$c307 = /^[0-9a-zA-Z.+_\^()*&$#@!?,\x80-\uFFFF]/, peg$c308 = peg$classExpectation([["0", "9"], ["a", "z"], ["A", "Z"], ".", "+", "_", "^", "(", ")", "*", "&", "$", "#", "@", "!", "?", ",", ["\x80", "\uFFFF"]], false, false), peg$c309 = peg$otherExpectation("atom"), peg$c310 = function (firstletter, text) {
return firstletter + ((text || []).join(''));
}, peg$c311 = peg$otherExpectation("label"), peg$c312 = "0", peg$c313 = peg$literalExpectation("0", false), peg$c314 = /^[0-9]/, peg$c315 = peg$classExpectation([["0", "9"]], false, false), peg$c316 = /^[1-9]/, peg$c317 = peg$classExpectation([["1", "9"]], false, false), peg$c318 = /^[0-9a-f]/i, peg$c319 = peg$classExpectation([["0", "9"], ["a", "f"]], false, true), peg$c320 = /^[0-1]/, peg$c321 = peg$classExpectation([["0", "1"]], false, false), peg$c322 = /^[0-7]/, peg$c323 = peg$classExpectation([["0", "7"]], false, false), peg$c324 = peg$otherExpectation("nonneg number"), peg$c325 = ".", peg$c326 = peg$literalExpectation(".", false), peg$c327 = function () { return parseFloat(text()); }, peg$c328 = peg$otherExpectation("number"), peg$c329 = function (literal) { return literal; }, peg$c330 = "NaN", peg$c331 = peg$literalExpectation("NaN", false), peg$c332 = function () { return NaN; }, peg$c333 = "NegativeInfinity", peg$c334 = peg$literalExpectation("NegativeInfinity", false), peg$c335 = function () { return Number.NEGATIVE_INFINITY; }, peg$c336 = "NegativeInf", peg$c337 = peg$literalExpectation("NegativeInf", false), peg$c338 = "NegInfinity", peg$c339 = peg$literalExpectation("NegInfinity", false), peg$c340 = "NegInf", peg$c341 = peg$literalExpectation("NegInf", false), peg$c342 = "NInfinity", peg$c343 = peg$literalExpectation("NInfinity", false), peg$c344 = "NInf", peg$c345 = peg$literalExpectation("NInf", false), peg$c346 = "-\u221E", peg$c347 = peg$literalExpectation("-\u221E", false), peg$c348 = "PInfinity", peg$c349 = peg$literalExpectation("PInfinity", false), peg$c350 = function () { return Number.POSITIVE_INFINITY; }, peg$c351 = "Infinity", peg$c352 = peg$literalExpectation("Infinity", false), peg$c353 = "PInf", peg$c354 = peg$literalExpectation("PInf", false), peg$c355 = "Inf", peg$c356 = peg$literalExpectation("Inf", false), peg$c357 = "\u221E", peg$c358 = peg$literalExpectation("\u221E", false), peg$c359 = "Epsilon", peg$c360 = peg$literalExpectation("Epsilon", false), peg$c361 = function () { return Number.EPSILON; }, peg$c362 = "\uD835\uDF00", peg$c363 = peg$literalExpectation("\uD835\uDF00", false), peg$c364 = "\u03B5", peg$c365 = peg$literalExpectation("\u03B5", false), peg$c366 = "Pi", peg$c367 = peg$literalExpectation("Pi", false), peg$c368 = function () { return Math.PI; }, peg$c369 = "\uD835\uDF0B", peg$c370 = peg$literalExpectation("\uD835\uDF0B", false), peg$c371 = "\u03C0", peg$c372 = peg$literalExpectation("\u03C0", false), peg$c373 = "EulerNumber", peg$c374 = peg$literalExpectation("EulerNumber", false), peg$c375 = function () { return Math.E; }, peg$c376 = "E", peg$c377 = peg$literalExpectation("E", false), peg$c378 = "e", peg$c379 = peg$literalExpectation("e", false), peg$c380 = "\u0190", peg$c381 = peg$literalExpectation("\u0190", false), peg$c382 = "\u2107", peg$c383 = peg$literalExpectation("\u2107", false), peg$c384 = "Root2", peg$c385 = peg$literalExpectation("Root2", false), peg$c386 = function () { return Math.SQRT2; }, peg$c387 = "RootHalf", peg$c388 = peg$literalExpectation("RootHalf", false), peg$c389 = function () { return Math.SQRT1_2; }, peg$c390 = "Ln2", peg$c391 = peg$literalExpectation("Ln2", false), peg$c392 = function () { return Math.LN2; }, peg$c393 = "NatLog2", peg$c394 = peg$literalExpectation("NatLog2", false), peg$c395 = "Ln10", peg$c396 = peg$literalExpectation("Ln10", false), peg$c397 = function () { return Math.LN10; }, peg$c398 = "NatLog10", peg$c399 = peg$literalExpectation("NatLog10", false), peg$c400 = "Log2E", peg$c401 = peg$literalExpectation("Log2E", false), peg$c402 = function () { return Math.LOG2E; }, peg$c403 = "Log10E", peg$c404 = peg$literalExpectation("Log10E", false), peg$c405 = function () { return Math.LOG10E; }, peg$c406 = "MaxSafeInt", peg$c407 = peg$literalExpectation("MaxSafeInt", false), peg$c408 = function () { return Number.MAX_SAFE_INTEGER; }, peg$c409 = "MinSafeInt", peg$c410 = peg$literalExpectation("MinSafeInt", false), peg$c411 = function () { return Number.MIN_SAFE_INTEGER; }, peg$c412 = "MaxPosNum", peg$c413 = peg$literalExpectation("MaxPosNum", false), peg$c414 = function () { return Number.MAX_VALUE; }, peg$c415 = "MinPosNum", peg$c416 = peg$literalExpectation("MinPosNum", false), peg$c417 = function () { return Number.MIN_VALUE; }, peg$c418 = "Phi", peg$c419 = peg$literalExpectation("Phi", false), peg$c420 = function () { return 1.61803398874989484820; }, peg$c421 = "\uD835\uDF11", peg$c422 = peg$literalExpectation("\uD835\uDF11", false), peg$c423 = "\uD835\uDF19", peg$c424 = peg$literalExpectation("\uD835\uDF19", false), peg$c425 = "\u03D5", peg$c426 = peg$literalExpectation("\u03D5", false), peg$c427 = "\u03C6", peg$c428 = peg$literalExpectation("\u03C6", false), peg$c429 = "EulerConstant", peg$c430 = peg$literalExpectation("EulerConstant", false), peg$c431 = function () { return 0.57721566490153286060; }, peg$c432 = "\u03B3", peg$c433 = peg$literalExpectation("\u03B3", false), peg$c434 = "\uD835\uDEFE", peg$c435 = peg$literalExpectation("\uD835\uDEFE", false), peg$c436 = peg$literalExpectation("e", true), peg$c437 = /^[+\-]/, peg$c438 = peg$classExpectation(["+", "-"], false, false), peg$c439 = "0x", peg$c440 = peg$literalExpectation("0x", true), peg$c441 = function (digits) {
return parseInt(digits, 16);
}, peg$c442 = "0b", peg$c443 = peg$literalExpectation("0b", true), peg$c444 = function (digits) {
return parseInt(digits, 2);
}, peg$c445 = "0o", peg$c446 = peg$literalExpectation("0o", true), peg$c447 = function (digits) {
return parseInt(digits, 8);
}, peg$c448 = function (major, minor, patch) {
return {
major: parseInt(major, 10),
minor: parseInt(minor, 10),
patch: parseInt(patch, 10),
full: text()
};
}, peg$c459 = "http://", peg$c460 = peg$literalExpectation("http://", false), peg$c461 = "https://", peg$c462 = peg$literalExpectation("https://", false), peg$c463 = /^[a-zA-Z0-9!*'():;@&=+$,\/?#[\]_.~\-]/, peg$c464 = peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "!", "*", "'", "(", ")", ":", ";", "@", "&", "=", "+", "$", ",", "/", "?", "#", "[", "]", "_", ".", "~", "-"], false, false), peg$c465 = function (protocol) { return text(); }, peg$c466 = "aliceblue", peg$c467 = peg$literalExpectation("aliceblue", false), peg$c468 = function () { return '#f0f8ffff'; }, peg$c469 =