respec-w3c-common.js

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r&&i.addEventListener("upgradeneeded",(e=>{r(b(i.result),e.oldVersion,e.newVersion,b(i.transaction),e)})),n&&i.addEventListener("blocked",(e=>n(e.oldVersion,e.newVersion,e))),a.then((e=>{o&&e.addEventListener("close",(()=>o())),s&&e.addEventListener("versionchange",(e=>s(e.oldVersion,e.newVersion,e)))})).catch((()=>{})),a},unwrap:y,wrap:b});function T(e,t,n,r,s,{level:o="error",autofix:i,ruleName:a}={}){function c(n){return n>0?e.slice(t,t+n):e.slice(Math.max(t+n,0),t)}function l(n,{precedes:r}={}){const s=n.map((e=>e.trivia+e.value)).join(""),o=e[t];return"eof"===o.type?s:r?s+o.trivia:s.slice(o.trivia.length)}const u="eof"!==e[t].type?e[t].line:e.length>1?e[t-1].line:1,d=function(e){const t=e.split("\n");return t[t.length-1]}(l(c(-5),{precedes:!0})),p=c(5),f=l(p),h=d+f.split("\n")[0]+"\n"+(" ".repeat(d.length)+"^"),m="Syntax"===s?"since":"inside",g=`${s} error at line ${u}${e.name?` in ${e.name}`:""}${n&&n.name?`, ${m} \`${n.partial?"partial ":""}${function(e){const t=[e];for(;e&&e.parent;){const{parent:n}=e;t.unshift(n),e=n}return t.map((e=>function(e,t){let n=e;return t&&(n+=` ${t}`),n}(e.type,e.name))).join(" -> ")}(n)}\``:""}:\n${h}`;return{message:`${g} ${r}`,bareMessage:r,context:g,line:u,sourceName:e.name,level:o,ruleName:a,autofix:i,input:f,tokens:p}}function P(e,t,n,r){return T(e,t,n,r,"Syntax")}function I(e,t,n,r,s={}){return s.ruleName=n,T(t.source,e.index,t,r,"Validation",s)}class D{constructor({source:e,tokens:t}){Object.defineProperties(this,{source:{value:e},tokens:{value:t,writable:!0},parent:{value:null,writable:!0},this:{value:this}})}toJSON(){const e={type:void 0,name:void 0,inheritance:void 0};let t=this;for(;t!==Object.prototype;){const n=Object.getOwnPropertyDescriptors(t);for(const[t,r]of Object.entries(n))(r.enumerable||r.get)&&(e[t]=this[t]);t=Object.getPrototypeOf(t)}return e}}function N(e,t,{useNullableInner:n}={}){if(!e.union){const r=t.unique.get(e.idlType);if(!r)return;if("typedef"===r.type){const{typedefIncludesDictionary:n}=t.cache;if(n.has(r))return n.get(r);t.cache.typedefIncludesDictionary.set(r,void 0);const s=N(r.idlType,t);if(t.cache.typedefIncludesDictionary.set(r,s),s)return{reference:e,dictionary:s.dictionary}}if("dictionary"===r.type&&(n||!e.nullable))return{reference:e,dictionary:r}}for(const n of e.subtype){const e=N(n,t);if(e)return n.union?e:{reference:n,dictionary:e.dictionary}}}function O(e,t){if(t.cache.dictionaryIncludesRequiredField.has(e))return t.cache.dictionaryIncludesRequiredField.get(e);t.cache.dictionaryIncludesRequiredField.set(e,void 0);let n=e.members.some((e=>e.required));if(!n&&e.inheritance){const r=t.unique.get(e.inheritance);r?O(r,t)&&(n=!0):n=!0}return t.cache.dictionaryIncludesRequiredField.set(e,n),n}class j extends Array{constructor({source:e,tokens:t}){super(),Object.defineProperties(this,{source:{value:e},tokens:{value:t},parent:{value:null,writable:!0}})}}class M extends D{static parser(e,t){return()=>{const n=e.consumeKind(t);if(n)return new M({source:e.source,tokens:{value:n}})}}get value(){return ne(this.tokens.value.value)}write(e){return e.ts.wrap([e.token(this.tokens.value),e.token(this.tokens.separator)])}}class q extends M{static parse(e){const t=e.consumeKind("eof");if(t)return new q({source:e.source,tokens:{value:t}})}get type(){return"eof"}}function z(e,t){return re(e,{parser:M.parser(e,t),listName:t+" list"})}const U=["identifier","decimal","integer","string"],W=new Map([...["NoInterfaceObject","LenientSetter","LenientThis","TreatNonObjectAsNull","Unforgeable"].map((e=>[e,`Legacy${e}`])),["NamedConstructor","LegacyFactoryFunction"],["OverrideBuiltins","LegacyOverrideBuiltIns"],["TreatNullAs","LegacyNullToEmptyString"]]);function F(e){for(const t of U){const n=z(e,t);if(n.length)return n}e.error("Expected identifiers, strings, decimals, or integers but none found")}class B extends D{static parse(e){const t={assign:e.consume("=")},n=he(new B({source:e.source,tokens:t}));if(n.list=[],t.assign){if(t.asterisk=e.consume("*"),t.asterisk)return n.this;t.secondaryName=e.consumeKind(...U)}return t.open=e.consume("("),t.open?(n.list=n.rhsIsList?F(e):ae(e),t.close=e.consume(")")||e.error("Unexpected token in extended attribute argument list")):t.assign&&!t.secondaryName&&e.error("No right hand side to extended attribute assignment"),n.this}get rhsIsList(){return this.tokens.assign&&!this.tokens.asterisk&&!this.tokens.secondaryName}get rhsType(){return this.rhsIsList?this.list[0].tokens.value.type+"-list":this.tokens.asterisk?"*":this.tokens.secondaryName?this.tokens.secondaryName.type:null}write(e){const{rhsType:t}=this;return e.ts.wrap([e.token(this.tokens.assign),e.token(this.tokens.asterisk),e.reference_token(this.tokens.secondaryName,this.parent),e.token(this.tokens.open),...this.list.map((n=>"identifier-list"===t?e.identifier(n,this.parent):n.write(e))),e.token(this.tokens.close)])}}class H extends D{static parse(e){const t=e.consumeKind("identifier");if(t)return new H({source:e.source,tokens:{name:t},params:B.parse(e)})}constructor({source:e,tokens:t,params:n}){super({source:e,tokens:t}),n.parent=this,Object.defineProperty(this,"params",{value:n})}get type(){return"extended-attribute"}get name(){return this.tokens.name.value}get rhs(){const{rhsType:e,tokens:t,list:n}=this.params;if(!e)return null;return{type:e,value:this.params.rhsIsList?n:this.params.tokens.secondaryName?ne(t.secondaryName.value):null}}get arguments(){const{rhsIsList:e,list:t}=this.params;return!t||e?[]:t}*validate(e){const{name:t}=this;if("LegacyNoInterfaceObject"===t){const e="`[LegacyNoInterfaceObject]` extended attribute is an undesirable feature that may be removed from Web IDL in the future. Refer to the [relevant upstream PR](https://github.com/whatwg/webidl/pull/609) for more information.";yield I(this.tokens.name,this,"no-nointerfaceobject",e,{level:"warning"})}else if(W.has(t)){const e=`\`[${t}]\` extended attribute is a legacy feature that is now renamed to \`[${W.get(t)}]\`. 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t=this.tokens.prefix||this.tokens.base,n=this.tokens.prefix?[this.tokens.prefix.value,e.ts.trivia(this.tokens.base.trivia)]:[],r=e.reference(e.ts.wrap([...n,this.tokens.base.value,e.token(this.tokens.postfix)]),{unescaped:this.idlType,context:this});return e.ts.wrap([e.ts.trivia(t.trivia),r])})(),e.token(this.tokens.nullable),e.token(this.tokens.separator)])}}function Z(e,t,n){return()=>{const r=n.indexOf(t);n.splice(r,1),!n.length&&e.tokens.base.trivia.match(/^\s$/)&&(e.tokens.base.trivia=""),e.tokens.base.value="AllowSharedBufferSource"}}class J extends D{static parse(e){const t=e.consume("=");if(!t)return null;const n=se(e)||e.consumeKind("string")||e.consume("null","[","{")||e.error("No value for default"),r=[n];if("["===n.value){const t=e.consume("]")||e.error("Default sequence value must be empty");r.push(t)}else if("{"===n.value){const t=e.consume("}")||e.error("Default dictionary value must be empty");r.push(t)}return new J({source:e.source,tokens:{assign:t},expression:r})}constructor({source:e,tokens:t,expression:n}){super({source:e,tokens:t}),n.parent=this,Object.defineProperty(this,"expression",{value:n})}get type(){return oe(this.expression[0]).type}get value(){return oe(this.expression[0]).value}get negative(){return oe(this.expression[0]).negative}write(e){return e.ts.wrap([e.token(this.tokens.assign),...this.expression.map((t=>e.token(t)))])}}class Q extends D{static parse(e){const t=e.position,n={},r=he(new Q({source:e.source,tokens:n}));return r.extAttrs=G.parse(e),n.optional=e.consume("optional"),r.idlType=ce(e,"argument-type"),r.idlType?(n.optional||(n.variadic=e.consume("...")),n.name=e.consumeKind("identifier")||e.consume(...ye),n.name?(r.default=n.optional?J.parse(e):null,r.this):e.unconsume(t)):e.unconsume(t)}get type(){return"argument"}get optional(){return!!this.tokens.optional}get variadic(){return!!this.tokens.variadic}get name(){return ne(this.tokens.name.value)}*validate(e){yield*this.extAttrs.validate(e),yield*this.idlType.validate(e);const t=N(this.idlType,e,{useNullableInner:!0});if(t)if(this.idlType.nullable){const e="Dictionary arguments cannot be nullable.";yield I(this.tokens.name,this,"no-nullable-dict-arg",e)}else if(this.optional){if(!this.default){const e="Optional dictionary arguments must have a default value of `{}`.";yield I(this.tokens.name,this,"dict-arg-default",e,{autofix:X(this)})}}else if(this.parent&&!O(t.dictionary,e)&&function(e){const t=e.parent.arguments||e.parent.list,n=t.indexOf(e),r=t.slice(n+1).some((e=>!e.optional));return!r}(this)){const e="Dictionary argument must be optional if it has no required fields";yield I(this.tokens.name,this,"dict-arg-optional",e,{autofix:(n=this,()=>{const e=fe(n.idlType);n.tokens.optional={...e,type:"optional",value:"optional"},e.trivia=" ",X(n)()})})}var n}write(e){return e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.optional),e.ts.type(this.idlType.write(e)),e.token(this.tokens.variadic),e.name_token(this.tokens.name,{data:this}),this.default?this.default.write(e):"",e.token(this.tokens.separator)])}}function X(e){return()=>{e.default=J.parse(new ke(" = {}"))}}class ee extends D{static parse(e,{special:t,regular:n}={}){const r={special:t},s=he(new ee({source:e.source,tokens:r}));return t&&"stringifier"===t.value&&(r.termination=e.consume(";"),r.termination)?(s.arguments=[],s):(t||n||(r.special=e.consume("getter","setter","deleter")),s.idlType=le(e)||e.error("Missing return type"),r.name=e.consumeKind("identifier")||e.consume("includes"),r.open=e.consume("(")||e.error("Invalid operation"),s.arguments=ae(e),r.close=e.consume(")")||e.error("Unterminated operation"),r.termination=e.consume(";")||e.error("Unterminated operation, expected `;`"),s.this)}get type(){return"operation"}get name(){const{name:e}=this.tokens;return e?ne(e.value):""}get special(){return this.tokens.special?this.tokens.special.value:""}*validate(e){if(yield*this.extAttrs.validate(e),!this.name&&["","static"].includes(this.special)){const e="Regular or static operations must have both a return type and an identifier.";yield I(this.tokens.open,this,"incomplete-op",e)}this.idlType&&(yield*this.idlType.validate(e));for(const t of this.arguments)yield*t.validate(e)}write(e){const{parent:t}=this,n=this.idlType?[e.ts.type(this.idlType.write(e)),e.name_token(this.tokens.name,{data:this,parent:t}),e.token(this.tokens.open),e.ts.wrap(this.arguments.map((t=>t.write(e)))),e.token(this.tokens.close)]:[];return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),this.tokens.name?e.token(this.tokens.special):e.token(this.tokens.special,e.ts.nameless,{data:this,parent:t}),...n,e.token(this.tokens.termination)]),{data:this,parent:t})}}class te extends D{static parse(e,{special:t,noInherit:n=!1,readonly:r=!1}={}){const s=e.position,o={special:t},i=he(new te({source:e.source,tokens:o}));if(t||n||(o.special=e.consume("inherit")),"inherit"===i.special&&e.probe("readonly")&&e.error("Inherited attributes cannot be read-only"),o.readonly=e.consume("readonly"),r&&!o.readonly&&e.probe("attribute")&&e.error("Attributes must be readonly in this context"),o.base=e.consume("attribute"),o.base)return i.idlType=ce(e,"attribute-type")||e.error("Attribute lacks a type"),o.name=e.consumeKind("identifier")||e.consume("async","required")||e.error("Attribute lacks a name"),o.termination=e.consume(";")||e.error("Unterminated attribute, expected `;`"),i.this;e.unconsume(s)}get type(){return"attribute"}get special(){return this.tokens.special?this.tokens.special.value:""}get readonly(){return!!this.tokens.readonly}get name(){return ne(this.tokens.name.value)}*validate(e){if(yield*this.extAttrs.validate(e),yield*this.idlType.validate(e),["sequence","record"].includes(this.idlType.generic)){const e=`Attributes cannot accept ${this.idlType.generic} types.`;yield I(this.tokens.name,this,"attr-invalid-type",e)}{const{reference:t}=N(this.idlType,e)||{};if(t){const e=(this.idlType.union?t:this.idlType).tokens.base,n="Attributes cannot accept dictionary types.";yield I(e,this,"attr-invalid-type",n)}}if(this.readonly&&function(e,t){if(e.union)return!1;if(e.extAttrs.some((e=>"EnforceRange"===e.name)))return!0;const n=t.unique.get(e.idlType);return"typedef"===n?.type&&n.idlType.extAttrs.some((e=>"EnforceRange"===e.name))}(this.idlType,e)){const e=this.idlType.tokens.base,t="Readonly attributes cannot accept [EnforceRange] extended attribute.";yield I(e,this,"attr-invalid-type",t)}}write(e){const{parent:t}=this;return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.special),e.token(this.tokens.readonly),e.token(this.tokens.base),e.ts.type(this.idlType.write(e)),e.name_token(this.tokens.name,{data:this,parent:t}),e.token(this.tokens.termination)]),{data:this,parent:t})}}function ne(e){return e.startsWith("_")?e.slice(1):e}function re(e,{parser:t,allowDangler:n,listName:r="list"}){const s=t(e);if(!s)return[];s.tokens.separator=e.consume(",");const o=[s];for(;s.tokens.separator;){const s=t(e);if(!s){n||e.error(`Trailing comma in ${r}`);break}if(s.tokens.separator=e.consume(","),o.push(s),!s.tokens.separator)break}return o}function se(e){return e.consumeKind("decimal","integer")||e.consume("true","false","Infinity","-Infinity","NaN")}function oe({type:e,value:t}){switch(e){case"decimal":case"integer":return{type:"number",value:t};case"string":return{type:"string",value:t.slice(1,-1)}}switch(t){case"true":case"false":return{type:"boolean",value:"true"===t};case"Infinity":case"-Infinity":return{type:"Infinity",negative:t.startsWith("-")};case"[":return{type:"sequence",value:[]};case"{":return{type:"dictionary"};default:return{type:t}}}function ie(e){const{source:t}=e,n=function(){const n=e.consume("unsigned"),r=e.consume("short","long");if(r){const s=e.consume("long");return new K({source:t,tokens:{prefix:n,base:r,postfix:s}})}n&&e.error("Failed to parse integer type")}()||function(){const n=e.consume("unrestricted"),r=e.consume("float","double");if(r)return new K({source:t,tokens:{prefix:n,base:r}});n&&e.error("Failed to parse float type")}();if(n)return n;const r=e.consume("bigint","boolean","byte","octet","undefined");return r?new K({source:t,tokens:{base:r}}):void 0}function ae(e){return re(e,{parser:Q.parse,listName:"arguments list"})}function ce(e,t){const n=G.parse(e),r=K.parse(e,t);return r&&(he(r).extAttrs=n),r}function le(e,t){const n=K.parse(e,t||"return-type");if(n)return n;const r=e.consume("void");if(r){const t=new K({source:e.source,tokens:{base:r}});return t.type="return-type",t}}function ue(e){const t=e.consume("stringifier");if(!t)return;return te.parse(e,{special:t})||ee.parse(e,{special:t})||e.error("Unterminated stringifier")}function de(e){const t=e.split("\n");if(t.length){const e=t[t.length-1].match(/^\s+/);if(e)return e[0]}return""}function pe(e){return()=>{if(e.extAttrs.length){const t=new ke("Exposed=Window,"),n=H.parse(t);n.tokens.separator=t.consume(",");const r=e.extAttrs[0];/^\s/.test(r.tokens.name.trivia)||(r.tokens.name.trivia=` ${r.tokens.name.trivia}`),e.extAttrs.unshift(n)}else{he(e).extAttrs=G.parse(new ke("[Exposed=Window]"));const t=e.tokens.base.trivia;e.extAttrs.tokens.open.trivia=t,e.tokens.base.trivia=`\n${de(t)}`}}}function fe(e){if(e.extAttrs.length)return e.extAttrs.tokens.open;if("operation"===e.type&&!e.special)return fe(e.idlType);return Object.values(e.tokens).sort(((e,t)=>e.index-t.index))[0]}function he(e,t){if(t||(t=e),!e)return e;return new Proxy(e,{get(e,t){const n=e[t];return Array.isArray(n)&&"source"!==t?he(n,e):n},set(e,n,r){if(e[n]=r,!r)return!0;if(Array.isArray(r))for(const e of r)void 0!==e.parent&&(e.parent=t);else void 0!==r.parent&&(r.parent=t);return!0}})}const me={decimal:/-?(?=[0-9]*\.|[0-9]+[eE])(([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([Ee][-+]?[0-9]+)?|[0-9]+[Ee][-+]?[0-9]+)/y,integer:/-?(0([Xx][0-9A-Fa-f]+|[0-7]*)|[1-9][0-9]*)/y,identifier:/[_-]?[A-Za-z][0-9A-Z_a-z-]*/y,string:/"[^"]*"/y,whitespace:/[\t\n\r ]+/y,comment:/\/\/.*|\/\*[\s\S]*?\*\//y,other:/[^\t\n\r 0-9A-Za-z]/y},ge=["ArrayBuffer","SharedArrayBuffer","DataView","Int8Array","Int16Array","Int32Array","Uint8Array","Uint16Array","Uint32Array","Uint8ClampedArray","BigInt64Array","BigUint64Array","Float32Array","Float64Array","any","object","symbol"],be=["ByteString","DOMString","USVString"],ye=["async","attribute","callback","const","constructor","deleter","dictionary","enum","getter","includes","inherit","interface","iterable","maplike","namespace","partial","required","setlike","setter","static","stringifier","typedef","unrestricted"],we=["-Infinity","FrozenArray","Infinity","NaN","ObservableArray","Promise","bigint","boolean","byte","double","false","float","long","mixin","null","octet","optional","or","readonly","record","sequence","short","true","undefined","unsigned","void"].concat(ye,be,ge),ve=["(",")",",","...",":",";","<","=",">","?","*","[","]","{","}"],$e=["_constructor","toString","_toString"];class ke{constructor(e){this.source=function(e){const t=[];let n=0,r="",s=1,o=0;for(;n<e.length;){const a=e.charAt(n);let c=-1;if(/[\t\n\r ]/.test(a)?c=i("whitespace",{noFlushTrivia:!0}):"/"===a&&(c=i("comment",{noFlushTrivia:!0})),-1!==c){const e=t.pop().value;s+=(e.match(/\n/g)||[]).length,r+=e,o-=1}else if(/[-0-9.A-Z_a-z]/.test(a)){if(c=i("decimal"),-1===c&&(c=i("integer")),-1===c){c=i("identifier");const e=t.length-1,n=t[e];if(-1!==c){if($e.includes(n.value)){const r=`${ne(n.value)} is a reserved identifier and must not be used.`;throw new xe(P(t,e,null,r))}we.includes(n.value)&&(n.type="inline")}}}else'"'===a&&(c=i("string"));for(const i of ve)if(e.startsWith(i,n)){t.push({type:"inline",value:i,trivia:r,line:s,index:o}),r="",n+=i.length,c=n;break}if(-1===c&&(c=i("other")),-1===c)throw new Error("Token stream not progressing");n=c,o+=1}return t.push({type:"eof",value:"",trivia:r,line:s,index:o}),t;function i(i,{noFlushTrivia:a}={}){const c=me[i];c.lastIndex=n;const l=c.exec(e);return l?(t.push({type:i,value:l[0],trivia:r,line:s,index:o}),a||(r=""),c.lastIndex):-1}}(e),this.position=0}error(e){throw new xe(P(this.source,this.position,this.current,e))}probeKind(e){return this.source.length>this.position&&this.source[this.position].type===e}probe(e){return this.probeKind("inline")&&this.source[this.position].value===e}consumeKind(...e){for(const t of e){if(!this.probeKind(t))continue;const e=this.source[this.position];return this.position++,e}}consume(...e){if(!this.probeKind("inline"))return;const t=this.source[this.position];for(const n of e)if(t.value===n)return this.position++,t}consumeIdentifier(e){if(this.probeKind("identifier")&&this.source[this.position].value===e)return this.consumeKind("identifier")}unconsume(e){this.position=e}}class xe extends Error{constructor({message:e,bareMessage:t,context:n,line:r,sourceName:s,input:o,tokens:i}){super(e),this.name="WebIDLParseError",this.bareMessage=t,this.context=n,this.line=r,this.sourceName=s,this.input=o,this.tokens=i}}class _e extends M{static parse(e){const t=e.consumeKind("string");if(t)return new _e({source:e.source,tokens:{value:t}})}get type(){return"enum-value"}get value(){return super.value.slice(1,-1)}write(e){const{parent:t}=this;return e.ts.wrap([e.ts.trivia(this.tokens.value.trivia),e.ts.definition(e.ts.wrap(['"',e.ts.name(this.value,{data:this,parent:t}),'"']),{data:this,parent:t}),e.token(this.tokens.separator)])}}class Ce extends D{static parse(e){const t={};if(t.base=e.consume("enum"),!t.base)return;t.name=e.consumeKind("identifier")||e.error("No name for enum");const n=he(new Ce({source:e.source,tokens:t}));return e.current=n.this,t.open=e.consume("{")||e.error("Bodyless enum"),n.values=re(e,{parser:_e.parse,allowDangler:!0,listName:"enumeration"}),e.probeKind("string")&&e.error("No comma between enum values"),t.close=e.consume("}")||e.error("Unexpected value in enum"),n.values.length||e.error("No value in enum"),t.termination=e.consume(";")||e.error("No semicolon after enum"),n.this}get type(){return"enum"}get name(){return ne(this.tokens.name.value)}write(e){return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.base),e.name_token(this.tokens.name,{data:this}),e.token(this.tokens.open),e.ts.wrap(this.values.map((t=>t.write(e)))),e.token(this.tokens.close),e.token(this.tokens.termination)]),{data:this})}}class Se extends D{static parse(e){const t=e.consumeKind("identifier");if(!t)return;const n={target:t};if(n.includes=e.consume("includes"),n.includes)return n.mixin=e.consumeKind("identifier")||e.error("Incomplete includes statement"),n.termination=e.consume(";")||e.error("No terminating ; for includes statement"),new Se({source:e.source,tokens:n});e.unconsume(t.index)}get type(){return"includes"}get target(){return ne(this.tokens.target.value)}get includes(){return ne(this.tokens.mixin.value)}write(e){return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.reference_token(this.tokens.target,this),e.token(this.tokens.includes),e.reference_token(this.tokens.mixin,this),e.token(this.tokens.termination)]),{data:this})}}class Re extends D{static parse(e){const t={},n=he(new Re({source:e.source,tokens:t}));if(t.base=e.consume("typedef"),t.base)return n.idlType=ce(e,"typedef-type")||e.error("Typedef lacks a type"),t.name=e.consumeKind("identifier")||e.error("Typedef lacks a name"),e.current=n.this,t.termination=e.consume(";")||e.error("Unterminated typedef, expected `;`"),n.this}get type(){return"typedef"}get name(){return ne(this.tokens.name.value)}*validate(e){yield*this.idlType.validate(e)}write(e){return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.base),e.ts.type(this.idlType.write(e)),e.name_token(this.tokens.name,{data:this}),e.token(this.tokens.termination)]),{data:this})}}class Ee extends D{static parse(e,t){const n={base:t},r=he(new Ee({source:e.source,tokens:n}));return n.name=e.consumeKind("identifier")||e.error("Callback lacks a name"),e.current=r.this,n.assign=e.consume("=")||e.error("Callback lacks an assignment"),r.idlType=le(e)||e.error("Callback lacks a return type"),n.open=e.consume("(")||e.error("Callback lacks parentheses for arguments"),r.arguments=ae(e),n.close=e.consume(")")||e.error("Unterminated callback"),n.termination=e.consume(";")||e.error("Unterminated callback, expected `;`"),r.this}get type(){return"callback"}get name(){return ne(this.tokens.name.value)}*validate(e){yield*this.extAttrs.validate(e),yield*this.idlType.validate(e)}write(e){return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.base),e.name_token(this.tokens.name,{data:this}),e.token(this.tokens.assign),e.ts.type(this.idlType.write(e)),e.token(this.tokens.open),...this.arguments.map((t=>t.write(e))),e.token(this.tokens.close),e.token(this.tokens.termination)]),{data:this})}}class Ae extends D{static parse(e,t,{inheritable:n,allowedMembers:r}){const{tokens:s,type:o}=t;for(s.name=e.consumeKind("identifier")||e.error(`Missing name in ${o}`),e.current=t,t=he(t),n&&Object.assign(s,function(e){const t=e.consume(":");return t?{colon:t,inheritance:e.consumeKind("identifier")||e.error("Inheritance lacks a type")}:{}}(e)),s.open=e.consume("{")||e.error(`Bodyless ${o}`),t.members=[];;){if(s.close=e.consume("}"),s.close)return s.termination=e.consume(";")||e.error(`Missing semicolon after ${o}`),t.this;const n=G.parse(e);let i;for(const[t,...n]of r)if(i=he(t(e,...n)),i)break;i||e.error("Unknown member"),i.extAttrs=n,t.members.push(i.this)}}get partial(){return!!this.tokens.partial}get name(){return ne(this.tokens.name.value)}get inheritance(){return this.tokens.inheritance?ne(this.tokens.inheritance.value):null}*validate(e){for(const t of this.members)t.validate&&(yield*t.validate(e))}write(e){return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.callback),e.token(this.tokens.partial),e.token(this.tokens.base),e.token(this.tokens.mixin),e.name_token(this.tokens.name,{data:this}),(()=>this.tokens.inheritance?e.ts.wrap([e.token(this.tokens.colon),e.ts.trivia(this.tokens.inheritance.trivia),e.ts.inheritance(e.reference(this.tokens.inheritance.value,{context:this}))]):"")(),e.token(this.tokens.open),e.ts.wrap(this.members.map((t=>t.write(e)))),e.token(this.tokens.close),e.token(this.tokens.termination)]),{data:this})}}class Le extends D{static parse(e){const t={};if(t.base=e.consume("const"),!t.base)return;let n=ie(e);if(!n){const t=e.consumeKind("identifier")||e.error("Const lacks a type");n=new K({source:e.source,tokens:{base:t}})}e.probe("?")&&e.error("Unexpected nullable constant type"),n.type="const-type",t.name=e.consumeKind("identifier")||e.error("Const lacks a name"),t.assign=e.consume("=")||e.error("Const lacks value assignment"),t.value=se(e)||e.error("Const lacks a value"),t.termination=e.consume(";")||e.error("Unterminated const, expected `;`");const r=new Le({source:e.source,tokens:t});return he(r).idlType=n,r}get type(){return"const"}get name(){return ne(this.tokens.name.value)}get value(){return oe(this.tokens.value)}write(e){const{parent:t}=this;return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.base),e.ts.type(this.idlType.write(e)),e.name_token(this.tokens.name,{data:this,parent:t}),e.token(this.tokens.assign),e.token(this.tokens.value),e.token(this.tokens.termination)]),{data:this,parent:t})}}class Te extends D{static parse(e){const t=e.position,n=he(new Te({source:e.source,tokens:{}})),{tokens:r}=n;if(r.readonly=e.consume("readonly"),r.readonly||(r.async=e.consume("async")),r.base=r.readonly?e.consume("maplike","setlike"):r.async?e.consume("iterable"):e.consume("iterable","maplike","setlike"),!r.base)return void e.unconsume(t);const{type:s}=n,o="maplike"===s,i=o||"iterable"===s,a=n.async&&"iterable"===s;r.open=e.consume("<")||e.error(`Missing less-than sign \`<\` in ${s} declaration`);const c=ce(e)||e.error(`Missing a type argument in ${s} declaration`);return n.idlType=[c],n.arguments=[],i&&(c.tokens.separator=e.consume(","),c.tokens.separator?n.idlType.push(ce(e)):o&&e.error(`Missing second type argument in ${s} declaration`)),r.close=e.consume(">")||e.error(`Missing greater-than sign \`>\` in ${s} declaration`),e.probe("(")&&(a?(r.argsOpen=e.consume("("),n.arguments.push(...ae(e)),r.argsClose=e.consume(")")||e.error("Unterminated async iterable argument list")):e.error("Arguments are only allowed for `async iterable`")),r.termination=e.consume(";")||e.error(`Missing semicolon after ${s} declaration`),n.this}get type(){return this.tokens.base.value}get readonly(){return!!this.tokens.readonly}get async(){return!!this.tokens.async}*validate(e){for(const t of this.idlType)yield*t.validate(e);for(const t of this.arguments)yield*t.validate(e)}write(e){return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.readonly),e.token(this.tokens.async),e.token(this.tokens.base,e.ts.generic),e.token(this.tokens.open),e.ts.wrap(this.idlType.map((t=>t.write(e)))),e.token(this.tokens.close),e.token(this.tokens.argsOpen),e.ts.wrap(this.arguments.map((t=>t.write(e)))),e.token(this.tokens.argsClose),e.token(this.tokens.termination)]),{data:this,parent:this.parent})}}class Pe extends D{static parse(e){const t=e.consume("constructor");if(!t)return;const n={base:t};n.open=e.consume("(")||e.error("No argument list in constructor");const r=ae(e);n.close=e.consume(")")||e.error("Unterminated constructor"),n.termination=e.consume(";")||e.error("No semicolon after constructor");const s=new Pe({source:e.source,tokens:n});return he(s).arguments=r,s}get type(){return"constructor"}*validate(e){for(const t of this.arguments)yield*t.validate(e)}write(e){const{parent:t}=this;return e.ts.definition(e.ts.wrap([this.extAttrs.write(e),e.token(this.tokens.base,e.ts.nameless,{data:this,parent:t}),e.token(this.tokens.open),e.ts.wrap(this.arguments.map((t=>t.write(e)))),e.token(this.tokens.close),e.token(this.tokens.termination)]),{data:this,parent:t})}}function Ie(e){const t=e.consume("static");if(!t)return;return te.parse(e,{special:t})||ee.parse(e,{special:t})||e.error("No body in static member")}class De extends Ae{static parse(e,t,{extMembers:n=[],partial:r=null}={}){const s={partial:r,base:t};return Ae.parse(e,new De({source:e.source,tokens:s}),{inheritable:!r,allowedMembers:[...n,[Le.parse],[Pe.parse],[Ie],[ue],[Te.parse],[te.parse],[ee.parse]]})}get type(){return"interface"}*validate(e){if(yield*this.extAttrs.validate(e),!this.partial&&this.extAttrs.every((e=>"Exposed"!==e.name))){const e="Interfaces must have `[Exposed]` extended attribute. 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/i.test(t[0])?this.lexer.state.inLink=!0:this.lexer.state.inLink&&/^<\/a>/i.test(t[0])&&(this.lexer.state.inLink=!1),!this.lexer.state.inRawBlock&&/^<(pre|code|kbd|script)(\s|>)/i.test(t[0])?this.lexer.state.inRawBlock=!0:this.lexer.state.inRawBlock&&/^<\/(pre|code|kbd|script)(\s|>)/i.test(t[0])&&(this.lexer.state.inRawBlock=!1),{type:"html",raw:t[0],inLink:this.lexer.state.inLink,inRawBlock:this.lexer.state.inRawBlock,block:!1,text:t[0]}}link(e){const t=this.rules.inline.link.exec(e);if(t){const e=t[2].trim();if(!this.options.pedantic&&/^</.test(e)){if(!/>$/.test(e))return;const t=mt(e.slice(0,-1),"\\");if((e.length-t.length)%2==0)return}else{const e=function(e,t){if(-1===e.indexOf(t[1]))return-1;let n=0;for(let r=0;r<e.length;r++)if("\\"===e[r])r++;else if(e[r]===t[0])n++;else if(e[r]===t[1]&&(n--,n<0))return r;return-1}(t[2],"()");if(e>-1){const n=(0===t[0].indexOf("!")?5:4)+t[1].length+e;t[2]=t[2].substring(0,e),t[0]=t[0].substring(0,n).trim(),t[3]=""}}let n=t[2],r="";if(this.options.pedantic){const e=/^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(n);e&&(n=e[1],r=e[3])}else r=t[3]?t[3].slice(1,-1):"";return n=n.trim(),/^</.test(n)&&(n=this.options.pedantic&&!/>$/.test(e)?n.slice(1):n.slice(1,-1)),gt(t,{href:n?n.replace(this.rules.inline.anyPunctuation,"$1"):n,title:r?r.replace(this.rules.inline.anyPunctuation,"$1"):r},t[0],this.lexer)}}reflink(e,t){let n;if((n=this.rules.inline.reflink.exec(e))||(n=this.rules.inline.nolink.exec(e))){const e=t[(n[2]||n[1]).replace(/\s+/g," ").toLowerCase()];if(!e){const e=n[0].charAt(0);return{type:"text",raw:e,text:e}}return gt(n,e,n[0],this.lexer)}}emStrong(e,t,n=""){let r=this.rules.inline.emStrongLDelim.exec(e);if(!r)return;if(r[3]&&n.match(/[\p{L}\p{N}]/u))return;if(!(r[1]||r[2]||"")||!n||this.rules.inline.punctuation.exec(n)){const n=[...r[0]].length-1;let s,o,i=n,a=0;const c="*"===r[0][0]?this.rules.inline.emStrongRDelimAst:this.rules.inline.emStrongRDelimUnd;for(c.lastIndex=0,t=t.slice(-1*e.length+n);null!=(r=c.exec(t));){if(s=r[1]||r[2]||r[3]||r[4]||r[5]||r[6],!s)continue;if(o=[...s].length,r[3]||r[4]){i+=o;continue}if((r[5]||r[6])&&n%3&&!((n+o)%3)){a+=o;continue}if(i-=o,i>0)continue;o=Math.min(o,o+i+a);const t=[...r[0]][0].length,c=e.slice(0,n+r.index+t+o);if(Math.min(n,o)%2){const e=c.slice(1,-1);return{type:"em",raw:c,text:e,tokens:this.lexer.inlineTokens(e)}}const l=c.slice(2,-2);return{type:"strong",raw:c,text:l,tokens:this.lexer.inlineTokens(l)}}}}codespan(e){const t=this.rules.inline.code.exec(e);if(t){let e=t[2].replace(/\n/g," ");const n=/[^ ]/.test(e),r=/^ /.test(e)&&/ $/.test(e);return n&&r&&(e=e.substring(1,e.length-1)),e=at(e,!0),{type:"codespan",raw:t[0],text:e}}}br(e){const t=this.rules.inline.br.exec(e);if(t)return{type:"br",raw:t[0]}}del(e){const t=this.rules.inline.del.exec(e);if(t)return{type:"del",raw:t[0],text:t[2],tokens:this.lexer.inlineTokens(t[2])}}autolink(e){const t=this.rules.inline.autolink.exec(e);if(t){let e,n;return"@"===t[2]?(e=at(t[1]),n="mailto:"+e):(e=at(t[1]),n=e),{type:"link",raw:t[0],text:e,href:n,tokens:[{type:"text",raw:e,text:e}]}}}url(e){let t;if(t=this.rules.inline.url.exec(e)){let e,n;if("@"===t[2])e=at(t[0]),n="mailto:"+e;else{let r;do{r=t[0],t[0]=this.rules.inline._backpedal.exec(t[0])?.[0]??""}while(r!==t[0]);e=at(t[0]),n="www."===t[1]?"http://"+t[0]:t[0]}return{type:"link",raw:t[0],text:e,href:n,tokens:[{type:"text",raw:e,text:e}]}}}inlineText(e){const t=this.rules.inline.text.exec(e);if(t){let e;return e=this.lexer.state.inRawBlock?t[0]:at(t[0]),{type:"text",raw:t[0],text:e}}}}const yt=/^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/,wt=/(?:[*+-]|\d{1,9}[.)])/,vt=dt(/^(?!bull |blockCode|fences|blockquote|heading|html)((?:.|\n(?!\s*?\n|bull |blockCode|fences|blockquote|heading|html))+?)\n {0,3}(=+|-+) *(?:\n+|$)/).replace(/bull/g,wt).replace(/blockCode/g,/ {4}/).replace(/fences/g,/ {0,3}(?:`{3,}|~{3,})/).replace(/blockquote/g,/ {0,3}>/).replace(/heading/g,/ {0,3}#{1,6}/).replace(/html/g,/ {0,3}<[^\n>]+>\n/).getRegex(),$t=/^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/,kt=/(?!\s*\])(?:\\.|[^\[\]\\])+/,xt=dt(/^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/).replace("label",kt).replace("title",/(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/).getRegex(),_t=dt(/^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/).replace(/bull/g,wt).getRegex(),Ct="address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option|p|param|search|section|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul",St=/<!--(?:-?>|[\s\S]*?(?:-->|$))/,Rt=dt("^ {0,3}(?:<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)|comment[^\\n]*(\\n+|$)|<\\?[\\s\\S]*?(?:\\?>\\n*|$)|<![A-Z][\\s\\S]*?(?:>\\n*|$)|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:(?:\\n *)+\\n|$)|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$))","i").replace("comment",St).replace("tag",Ct).replace("attribute",/ +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex(),Et=dt($t).replace("hr",yt).replace("heading"," {0,3}#{1,6}(?:\\s|$)").replace("|lheading","").replace("|table","").replace("blockquote"," {0,3}>").replace("fences"," {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list"," {0,3}(?:[*+-]|1[.)]) ").replace("html","</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",Ct).getRegex(),At={blockquote:dt(/^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/).replace("paragraph",Et).getRegex(),code:/^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/,def:xt,fences:/^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})([^\n]*)(?:\n|$)(?:|([\s\S]*?)(?:\n|$))(?: {0,3}\1[~`]* *(?=\n|$)|$)/,heading:/^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/,hr:yt,html:Rt,lheading:vt,list:_t,newline:/^(?: *(?:\n|$))+/,paragraph:Et,table:ft,text:/^[^\n]+/},Lt=dt("^ *([^\\n ].*)\\n {0,3}((?:\\| *)?:?-+:? *(?:\\| *:?-+:? *)*(?:\\| *)?)(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)").replace("hr",yt).replace("heading"," {0,3}#{1,6}(?:\\s|$)").replace("blockquote"," {0,3}>").replace("code"," {4}[^\\n]").replace("fences"," {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list"," {0,3}(?:[*+-]|1[.)]) ").replace("html","</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",Ct).getRegex(),Tt={...At,table:Lt,paragraph:dt($t).replace("hr",yt).replace("heading"," {0,3}#{1,6}(?:\\s|$)").replace("|lheading","").replace("table",Lt).replace("blockquote"," {0,3}>").replace("fences"," {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list"," {0,3}(?:[*+-]|1[.)]) ").replace("html","</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",Ct).getRegex()},Pt={...At,html:dt("^ *(?:comment *(?:\\n|\\s*$)|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)|<tag(?:\"[^\"]*\"|'[^']*'|\\s[^'\"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))").replace("comment",St).replace(/tag/g,"(?!(?:a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)\\b)\\w+(?!:|[^\\w\\s@]*@)\\b").getRegex(),def:/^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,heading:/^(#{1,6})(.*)(?:\n+|$)/,fences:ft,lheading:/^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/,paragraph:dt($t).replace("hr",yt).replace("heading"," *#{1,6} *[^\n]").replace("lheading",vt).replace("|table","").replace("blockquote"," {0,3}>").replace("|fences","").replace("|list","").replace("|html","").replace("|tag","").getRegex()},It=/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,Dt=/^( {2,}|\\)\n(?!\s*$)/,Nt="\\p{P}\\p{S}",Ot=dt(/^((?![*_])[\spunctuation])/,"u").replace(/punctuation/g,Nt).getRegex(),jt=dt(/^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/,"u").replace(/punct/g,Nt).getRegex(),Mt=dt("^[^_*]*?__[^_*]*?\\*[^_*]*?(?=__)|[^*]+(?=[^*])|(?!\\*)[punct](\\*+)(?=[\\s]|$)|[^punct\\s](\\*+)(?!\\*)(?=[punct\\s]|$)|(?!\\*)[punct\\s](\\*+)(?=[^punct\\s])|[\\s](\\*+)(?!\\*)(?=[punct])|(?!\\*)[punct](\\*+)(?!\\*)(?=[punct])|[^punct\\s](\\*+)(?=[^punct\\s])","gu").replace(/punct/g,Nt).getRegex(),qt=dt("^[^_*]*?\\*\\*[^_*]*?_[^_*]*?(?=\\*\\*)|[^_]+(?=[^_])|(?!_)[punct](_+)(?=[\\s]|$)|[^punct\\s](_+)(?!_)(?=[punct\\s]|$)|(?!_)[punct\\s](_+)(?=[^punct\\s])|[\\s](_+)(?!_)(?=[punct])|(?!_)[punct](_+)(?!_)(?=[punct])","gu").replace(/punct/g,Nt).getRegex(),zt=dt(/\\([punct])/,"gu").replace(/punct/g,Nt).getRegex(),Ut=dt(/^<(scheme:[^\s\x00-\x1f<>]*|email)>/).replace("scheme",/[a-zA-Z][a-zA-Z0-9+.-]{1,31}/).replace("email",/[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/).getRegex(),Wt=dt(St).replace("(?:--\x3e|$)","--\x3e").getRegex(),Ft=dt("^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>").replace("comment",Wt).replace("attribute",/\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/).getRegex(),Bt=/(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/,Ht=dt(/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/).replace("label",Bt).replace("href",/<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/).replace("title",/"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/).getRegex(),Gt=dt(/^!?\[(label)\]\[(ref)\]/).replace("label",Bt).replace("ref",kt).getRegex(),Vt=dt(/^!?\[(ref)\](?:\[\])?/).replace("ref",kt).getRegex(),Yt={_backpedal:ft,anyPunctuation:zt,autolink:Ut,blockSkip:/\[[^[\]]*?\]\([^\(\)]*?\)|`[^`]*?`|<[^<>]*?>/g,br:Dt,code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,del:ft,emStrongLDelim:jt,emStrongRDelimAst:Mt,emStrongRDelimUnd:qt,escape:It,link:Ht,nolink:Vt,punctuation:Ot,reflink:Gt,reflinkSearch:dt("reflink|nolink(?!\\()","g").replace("reflink",Gt).replace("nolink",Vt).getRegex(),tag:Ft,text:/^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,url:ft},Kt={...Yt,link:dt(/^!?\[(label)\]\((.*?)\)/).replace("label",Bt).getRegex(),reflink:dt(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label",Bt).getRegex()},Zt={...Yt,escape:dt(It).replace("])","~|])").getRegex(),url:dt(/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,"i").replace("email",/[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/).getRegex(),_backpedal:/(?:[^?!.,:;*_'"~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_'"~)]+(?!$))+/,del:/^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,text:/^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/},Jt={...Zt,br:dt(Dt).replace("{2,}","*").getRegex(),text:dt(Zt.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()},Qt={normal:At,gfm:Tt,pedantic:Pt},Xt={normal:Yt,gfm:Zt,breaks:Jt,pedantic:Kt};class en{tokens;options;state;tokenizer;inlineQueue;constructor(e){this.tokens=[],this.tokens.links=Object.create(null),this.options=e||Xe,this.options.tokenizer=this.options.tokenizer||new bt,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const t={block:Qt.normal,inline:Xt.normal};this.options.pedantic?(t.block=Qt.pedantic,t.inline=Xt.pedantic):this.options.gfm&&(t.block=Qt.gfm,this.options.breaks?t.inline=Xt.breaks:t.inline=Xt.gfm),this.tokenizer.rules=t}static get rules(){return{block:Qt,inline:Xt}}static lex(e,t){return new en(t).lex(e)}static lexInline(e,t){return new en(t).inlineTokens(e)}lex(e){e=e.replace(/\r\n|\r/g,"\n"),this.blockTokens(e,this.tokens);for(let e=0;e<this.inlineQueue.length;e++){const t=this.inlineQueue[e];this.inlineTokens(t.src,t.tokens)}return this.inlineQueue=[],this.tokens}blockTokens(e,t=[]){let n,r,s,o;for(e=this.options.pedantic?e.replace(/\t/g,"    ").replace(/^ +$/gm,""):e.replace(/^( *)(\t+)/gm,((e,t,n)=>t+"    ".repeat(n.length)));e;)if(!(this.options.extensions&&this.options.extensions.block&&this.options.extensions.block.some((r=>!!(n=r.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.space(e))e=e.substring(n.raw.length),1===n.raw.length&&t.length>0?t[t.length-1].raw+="\n":t.push(n);else if(n=this.tokenizer.code(e))e=e.substring(n.raw.length),r=t[t.length-1],!r||"paragraph"!==r.type&&"text"!==r.type?t.push(n):(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue[this.inlineQueue.length-1].src=r.text);else if(n=this.tokenizer.fences(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.heading(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.hr(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.blockquote(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.list(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.html(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.def(e))e=e.substring(n.raw.length),r=t[t.length-1],!r||"paragraph"!==r.type&&"text"!==r.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(r.raw+="\n"+n.raw,r.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=r.text);else if(n=this.tokenizer.table(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.lheading(e))e=e.substring(n.raw.length),t.push(n);else{if(s=e,this.options.extensions&&this.options.extensions.startBlock){let t=1/0;const n=e.slice(1);let r;this.options.extensions.startBlock.forEach((e=>{r=e.call({lexer:this},n),"number"==typeof r&&r>=0&&(t=Math.min(t,r))})),t<1/0&&t>=0&&(s=e.substring(0,t+1))}if(this.state.top&&(n=this.tokenizer.paragraph(s)))r=t[t.length-1],o&&"paragraph"===r.type?(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=r.text):t.push(n),o=s.length!==e.length,e=e.substring(n.raw.length);else if(n=this.tokenizer.text(e))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===r.type?(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=r.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return this.state.top=!0,t}inline(e,t=[]){return this.inlineQueue.push({src:e,tokens:t}),t}inlineTokens(e,t=[]){let n,r,s,o,i,a,c=e;if(this.tokens.links){const e=Object.keys(this.tokens.links);if(e.length>0)for(;null!=(o=this.tokenizer.rules.inline.reflinkSearch.exec(c));)e.includes(o[0].slice(o[0].lastIndexOf("[")+1,-1))&&(c=c.slice(0,o.index)+"["+"a".repeat(o[0].length-2)+"]"+c.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(o=this.tokenizer.rules.inline.blockSkip.exec(c));)c=c.slice(0,o.index)+"["+"a".repeat(o[0].length-2)+"]"+c.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(o=this.tokenizer.rules.inline.anyPunctuation.exec(c));)c=c.slice(0,o.index)+"++"+c.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex);for(;e;)if(i||(a=""),i=!1,!(this.options.extensions&&this.options.extensions.inline&&this.options.extensions.inline.some((r=>!!(n=r.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.escape(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.tag(e))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===n.type&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(n=this.tokenizer.link(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===n.type&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(n=this.tokenizer.emStrong(e,c,a))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.codespan(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.br(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.del(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.autolink(e))e=e.substring(n.raw.length),t.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(e))){if(s=e,this.options.extensions&&this.options.extensions.startInline){let t=1/0;const n=e.slice(1);let r;this.options.extensions.startInline.forEach((e=>{r=e.call({lexer:this},n),"number"==typeof r&&r>=0&&(t=Math.min(t,r))})),t<1/0&&t>=0&&(s=e.substring(0,t+1))}if(n=this.tokenizer.inlineText(s))e=e.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(a=n.raw.slice(-1)),i=!0,r=t[t.length-1],r&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}else e=e.substring(n.raw.length),t.push(n);return t}}class tn{options;constructor(e){this.options=e||Xe}code(e,t,n){const r=(t||"").match(/^\S*/)?.[0];return e=e.replace(/\n$/,"")+"\n",r?'<pre><code class="language-'+at(r)+'">'+(n?e:at(e,!0))+"</code></pre>\n":"<pre><code>"+(n?e:at(e,!0))+"</code></pre>\n"}blockquote(e){return`<blockquote>\n${e}</blockquote>\n`}html(e,t){return e}heading(e,t,n){return`<h${t}>${e}</h${t}>\n`}hr(){return"<hr>\n"}list(e,t,n){const r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+e+"</"+r+">\n"}listitem(e,t,n){return`<li>${e}</li>\n`}checkbox(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox">'}paragraph(e){return`<p>${e}</p>\n`}table(e,t){return t&&(t=`<tbody>${t}</tbody>`),"<table>\n<thead>\n"+e+"</thead>\n"+t+"</table>\n"}tablerow(e){return`<tr>\n${e}</tr>\n`}tablecell(e,t){const n=t.header?"th":"td";return(t.align?`<${n} align="${t.align}">`:`<${n}>`)+e+`</${n}>\n`}strong(e){return`<strong>${e}</strong>`}em(e){return`<em>${e}</em>`}codespan(e){return`<code>${e}</code>`}br(){return"<br>"}del(e){return`<del>${e}</del>`}link(e,t,n){const r=pt(e);if(null===r)return n;let s='<a href="'+(e=r)+'"';return t&&(s+=' title="'+t+'"'),s+=">"+n+"</a>",s}image(e,t,n){const r=pt(e);if(null===r)return n;let s=`<img src="${e=r}" alt="${n}"`;return t&&(s+=` title="${t}"`),s+=">",s}text(e){return e}}class nn{strong(e){return e}em(e){return e}codespan(e){return e}del(e){return e}html(e){return e}text(e){return e}link(e,t,n){return""+n}image(e,t,n){return""+n}br(){return""}}class rn{options;renderer;textRenderer;constructor(e){this.options=e||Xe,this.options.renderer=this.options.renderer||new tn,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new nn}static parse(e,t){return new rn(t).parse(e)}static parseInline(e,t){return new rn(t).parseInline(e)}parse(e,t=!0){let n="";for(let r=0;r<e.length;r++){const s=e[r];if(this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[s.type]){const e=s,t=this.options.extensions.renderers[e.type].call({parser:this},e);if(!1!==t||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(e.type)){n+=t||"";continue}}switch(s.type){case"space":continue;case"hr":n+=this.renderer.hr();continue;case"heading":{const e=s;n+=this.renderer.heading(this.parseInline(e.tokens),e.depth,lt(this.parseInline(e.tokens,this.textRenderer)));continue}case"code":{const e=s;n+=this.renderer.code(e.text,e.lang,!!e.escaped);continue}case"table":{const e=s;let t="",r="";for(let t=0;t<e.header.length;t++)r+=this.renderer.tablecell(this.parseInline(e.header[t].tokens),{header:!0,align:e.align[t]});t+=this.renderer.tablerow(r);let o="";for(let t=0;t<e.rows.length;t++){const n=e.rows[t];r="";for(let t=0;t<n.length;t++)r+=this.renderer.tablecell(this.parseInline(n[t].tokens),{header:!1,align:e.align[t]});o+=this.renderer.tablerow(r)}n+=this.renderer.table(t,o);continue}case"blockquote":{const e=s,t=this.parse(e.tokens);n+=this.renderer.blockquote(t);continue}case"list":{const e=s,t=e.ordered,r=e.start,o=e.loose;let i="";for(let t=0;t<e.items.length;t++){const n=e.items[t],r=n.checked,s=n.task;let a="";if(n.task){const e=this.renderer.checkbox(!!r);o?n.tokens.length>0&&"paragraph"===n.tokens[0].type?(n.tokens[0].text=e+" "+n.tokens[0].text,n.tokens[0].tokens&&n.tokens[0].tokens.length>0&&"text"===n.tokens[0].tokens[0].type&&(n.tokens[0].tokens[0].text=e+" "+n.tokens[0].tokens[0].text)):n.tokens.unshift({type:"text",text:e+" "}):a+=e+" "}a+=this.parse(n.tokens,o),i+=this.renderer.listitem(a,s,!!r)}n+=this.renderer.list(i,t,r);continue}case"html":{const e=s;n+=this.renderer.html(e.text,e.block);continue}case"paragraph":{const e=s;n+=this.renderer.paragraph(this.parseInline(e.tokens));continue}case"text":{let o=s,i=o.tokens?this.parseInline(o.tokens):o.text;for(;r+1<e.length&&"text"===e[r+1].type;)o=e[++r],i+="\n"+(o.tokens?this.parseInline(o.tokens):o.text);n+=t?this.renderer.paragraph(i):i;continue}default:{const e='Token with "'+s.type+'" type was not found.';if(this.options.silent)return console.error(e),"";throw new Error(e)}}}return n}parseInline(e,t){t=t||this.renderer;let n="";for(let r=0;r<e.length;r++){const s=e[r];if(this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[s.type]){const e=this.options.extensions.renderers[s.type].call({parser:this},s);if(!1!==e||!["escape","html","link","image","strong","em","codespan","br","del","text"].includes(s.type)){n+=e||"";continue}}switch(s.type){case"escape":{const e=s;n+=t.text(e.text);break}case"html":{const e=s;n+=t.html(e.text);break}case"link":{const e=s;n+=t.link(e.href,e.title,this.parseInline(e.tokens,t));break}case"image":{const e=s;n+=t.image(e.href,e.title,e.text);break}case"strong":{const e=s;n+=t.strong(this.parseInline(e.tokens,t));break}case"em":{const e=s;n+=t.em(this.parseInline(e.tokens,t));break}case"codespan":{const e=s;n+=t.codespan(e.text);break}case"br":n+=t.br();break;case"del":{const e=s;n+=t.del(this.parseInline(e.tokens,t));break}case"text":{const e=s;n+=t.text(e.text);break}default:{const e='Token with "'+s.type+'" type was not found.';if(this.options.silent)return console.error(e),"";throw new Error(e)}}}return n}}class sn{options;constructor(e){this.options=e||Xe}static passThroughHooks=new Set(["preprocess","postprocess","processAllTokens"]);preprocess(e){return e}postprocess(e){return e}processAllTokens(e){return e}}const on=new class{defaults={async:!1,breaks:!1,extensions:null,gfm:!0,hooks:null,pedantic:!1,renderer:null,silent:!1,tokenizer:null,walkTokens:null};options=this.setOptions;parse=this.#e(en.lex,rn.parse);parseInline=this.#e(en.lexInline,rn.parseInline);Parser=rn;Renderer=tn;TextRenderer=nn;Lexer=en;Tokenizer=bt;Hooks=sn;constructor(...e){this.use(...e)}walkTokens(e,t){let n=[];for(const r of e)switch(n=n.concat(t.call(this,r)),r.type){case"table":{const e=r;for(const r of e.header)n=n.concat(this.walkTokens(r.tokens,t));for(const r of e.rows)for(const e of r)n=n.concat(this.walkTokens(e.tokens,t));break}case"list":{const e=r;n=n.concat(this.walkTokens(e.items,t));break}default:{const e=r;this.defaults.extensions?.childTokens?.[e.type]?this.defaults.extensions.childTokens[e.type].forEach((r=>{const s=e[r].flat(1/0);n=n.concat(this.walkTokens(s,t))})):e.tokens&&(n=n.concat(this.walkTokens(e.tokens,t)))}}return n}use(...e){const t=this.defaults.extensions||{renderers:{},childTokens:{}};return e.forEach((e=>{const n={...e};if(n.async=this.defaults.async||n.async||!1,e.extensions&&(e.extensions.forEach((e=>{if(!e.name)throw new Error("extension name required");if("renderer"in e){const n=t.renderers[e.name];t.renderers[e.name]=n?function(...t){let r=e.renderer.apply(this,t);return!1===r&&(r=n.apply(this,t)),r}:e.renderer}if("tokenizer"in e){if(!e.level||"block"!==e.level&&"inline"!==e.level)throw new Error("extension level must be 'block' or 'inline'");const n=t[e.level];n?n.unshift(e.tokenizer):t[e.level]=[e.tokenizer],e.start&&("block"===e.level?t.startBlock?t.startBlock.push(e.start):t.startBlock=[e.start]:"inline"===e.level&&(t.startInline?t.startInline.push(e.start):t.startInline=[e.start]))}"childTokens"in e&&e.childTokens&&(t.childTokens[e.name]=e.childTokens)})),n.extensions=t),e.renderer){const t=this.defaults.renderer||new tn(this.defaults);for(const n in e.renderer){if(!(n in t))throw new Error(`renderer '${n}' does not exist`);if("options"===n)continue;const r=n,s=e.renderer[r],o=t[r];t[r]=(...e)=>{let n=s.apply(t,e);return!1===n&&(n=o.apply(t,e)),n||""}}n.renderer=t}if(e.tokenizer){const t=this.defaults.tokenizer||new bt(this.defaults);for(const n in e.tokenizer){if(!(n in t))throw new Error(`tokenizer '${n}' does not exist`);if(["options","rules","lexer"].includes(n))continue;const r=n,s=e.tokenizer[r],o=t[r];t[r]=(...e)=>{let n=s.apply(t,e);return!1===n&&(n=o.apply(t,e)),n}}n.tokenizer=t}if(e.hooks){const t=this.defaults.hooks||new sn;for(const n in e.hooks){if(!(n in t))throw new Error(`hook '${n}' does not exist`);if("options"===n)continue;const r=n,s=e.hooks[r],o=t[r];sn.passThroughHooks.has(n)?t[r]=e=>{if(this.defaults.async)return Promise.resolve(s.call(t,e)).then((e=>o.call(t,e)));const n=s.call(t,e);return o.call(t,n)}:t[r]=(...e)=>{let n=s.apply(t,e);return!1===n&&(n=o.apply(t,e)),n}}n.hooks=t}if(e.walkTokens){const t=this.defaults.walkTokens,r=e.walkTokens;n.walkTokens=function(e){let n=[];return n.push(r.call(this,e)),t&&(n=n.concat(t.call(this,e))),n}}this.defaults={...this.defaults,...n}})),this}setOptions(e){return this.defaults={...this.defaults,...e},this}lexer(e,t){return en.lex(e,t??this.defaults)}parser(e,t){return rn.parse(e,t??this.defaults)}#e(e,t){return(n,r)=>{const s={...r},o={...this.defaults,...s};!0===this.defaults.async&&!1===s.async&&(o.silent||console.warn("marked(): The async option was set to true by an extension. The async: false option sent to parse will be ignored."),o.async=!0);const i=this.#t(!!o.silent,!!o.async);if(null==n)return i(new Error("marked(): input parameter is undefined or null"));if("string"!=typeof n)return i(new Error("marked(): input parameter is of type "+Object.prototype.toString.call(n)+", string expected"));if(o.hooks&&(o.hooks.options=o),o.async)return Promise.resolve(o.hooks?o.hooks.preprocess(n):n).then((t=>e(t,o))).then((e=>o.hooks?o.hooks.processAllTokens(e):e)).then((e=>o.walkTokens?Promise.all(this.walkTokens(e,o.walkTokens)).then((()=>e)):e)).then((e=>t(e,o))).then((e=>o.hooks?o.hooks.postprocess(e):e)).catch(i);try{o.hooks&&(n=o.hooks.preprocess(n));let r=e(n,o);o.hooks&&(r=o.hooks.processAllTokens(r)),o.walkTokens&&this.walkTokens(r,o.walkTokens);let s=t(r,o);return o.hooks&&(s=o.hooks.postprocess(s)),s}catch(e){return i(e)}}}#t(e,t){return n=>{if(n.message+="\nPlease report this to https://github.com/markedjs/marked.",e){const e="<p>An error 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}`;var gu=Object.freeze({__proto__:null,name:"core/algorithms",run:function(){const e=Array.from(document.querySelectorAll("ol.algorithm li")).filter((e=>e.textContent.trim().startsWith("Assert: ")));if(!e.length)return;for(const t of e){t.classList.add("assert");const e=t.firstChild;e instanceof Text&&e.textContent.startsWith("Assert: ")&&(e.textContent=e.textContent.replace("Assert: ",""),t.prepend($n`<a href="https://infra.spec.whatwg.org/#assert">Assert</a>`,": "))}const t=document.createElement("style");t.textContent=mu,document.head.appendChild(t)}});const bu="core/anchor-expander";function yu(e,t,n){const r=e.querySelector(".marker .self-link");if(!r){n.textContent=n.getAttribute("href");return void lr(`Found matching element "${t}", but it has no title or marker.`,bu,{title:"Missing title.",elements:[n]})}const s=sr(r);n.append(...s.childNodes),n.classList.add("box-ref")}function wu(e,t,n){const r=e.querySelector("figcaption");if(!r){n.textContent=n.getAttribute("href");return void lr(`Found matching figure "${t}", but figure is lacking a \`<figcaption>\`.`,bu,{title:"Missing figcaption in referenced figure.",elements:[n]})}const s=[...sr(r.querySelector(".self-link")).childNodes].map((e=>(e.classList?.remove("figno"),e)));n.append(...s),n.classList.add("fig-ref");const o=r.querySelector(".fig-title");!n.hasAttribute("title")&&o&&(n.title=zn(o.textContent))}function vu(e,t,n){if(!e.classList.contains("numbered"))return;const r=e.querySelector("caption");if(!r){n.textContent=n.getAttribute("href");return void lr(`Found matching table "${t}", but table is lacking a \`<caption>\`.`,bu,{title:"Missing caption in referenced table.",elements:[n]})}const s=[...sr(r.querySelector(".self-link")).childNodes].map((e=>(e.classList?.remove("tableno"),e)));n.append(...s),n.classList.add("table-ref");const o=r.querySelector(".table-title");!n.hasAttribute("title")&&o&&(n.title=zn(o.textContent))}function $u(e,t,n){const r=e.querySelector("h6, h5, h4, h3, h2");if(r)ku(r,n),xu(r,n);else{n.textContent=n.getAttribute("href");lr("Found matching section, but the section was lacking a heading element.",bu,{title:`No matching id in document: "${t}".`,elements:[n]})}}function ku(e,t){const n=e.querySelector(".self-link"),r=[...sr(e).childNodes].filter((e=>!e.classList||!e.classList.contains("self-link")));t.append(...r),n&&t.prepend("§ "),t.classList.add("sec-ref"),t.lastChild.nodeType===Node.TEXT_NODE&&(t.lastChild.textContent=t.lastChild.textContent.trimEnd()),t.querySelectorAll("a").forEach((e=>{const t=Jn(e,"span");for(const e of[...t.attributes])t.removeAttributeNode(e)}))}function xu(e,t){for(const n of["dir","lang"]){if(t.hasAttribute(n))continue;const r=e.closest(`[${n}]`);if(!r)continue;const s=t.closest(`[${n}]`);s&&s.getAttribute(n)===r.getAttribute(n)||t.setAttribute(n,r.getAttribute(n))}}var _u=Object.freeze({__proto__:null,name:bu,run:function(){const e=[...document.querySelectorAll("a[href^='#']:not(.self-link):not([href$='the-empty-string'])")].filter((e=>""===e.textContent.trim()));for(const t of e){const e=t.getAttribute("href").slice(1),n=document.getElementById(e);if(n){switch(n.localName){case"h6":case"h5":case"h4":case"h3":case"h2":ku(n,t);break;case"section":$u(n,e,t);break;case"figure":wu(n,e,t);break;case"table":vu(n,e,t);break;case"aside":case"div":yu(n,e,t);break;default:t.textContent=t.getAttribute("href");lr("ReSpec doesn't support expanding this kind of reference.",bu,{title:`Can't expand "#${e}".`,elements:[t]})}xu(n,t),t.normalize()}else{t.textContent=t.getAttribute("href");lr(`Couldn't expand inline reference. The id "${e}" is not in the document.`,bu,{title:`No matching id in document: ${e}.`,elements:[t]})}}}});var Cu=String.raw`dfn{cursor:pointer}
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.dfn-panel:not(.docked)>.caret{position:absolute;top:-9px}
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.dfn-panel *{margin:0}
.dfn-panel b{display:block;color:#000;color:var(--text,#000);margin-top:.25em}
.dfn-panel ul a[href]{color:#333;color:var(--text,#333)}
.dfn-panel>div{display:flex}
.dfn-panel a.self-link{font-weight:700;margin-right:auto}
.dfn-panel .marker{padding:.1em;margin-left:.5em;border-radius:.2em;text-align:center;white-space:nowrap;font-size:90%;color:#040b1c}
.dfn-panel .marker.dfn-exported{background:#d1edfd;box-shadow:0 0 0 .125em #1ca5f940}
.dfn-panel .marker.idl-block{background:#8ccbf2;box-shadow:0 0 0 .125em #0670b161}
.dfn-panel a:not(:hover){text-decoration:none!important;border-bottom:none!important}
.dfn-panel a[href]:hover{border-bottom-width:1px}
.dfn-panel ul{padding:0}
.dfn-panel li{margin-left:1em}
.dfn-panel.docked{position:fixed;left:.5em;top:unset;bottom:2em;margin:0 auto;max-width:calc(100vw - .75em * 2 - .5em - .2em * 2);max-height:30vh;overflow:auto}`;function Su(e){const{id:t}=e,n=e.dataset.href||`#${t}`,r=document.querySelectorAll(`a[href="${n}"]:not(.index-term)`),s=`dfn-panel-for-${e.id}`,o=e.getAttribute("aria-label")||zn(e.textContent),i=$n`
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      class="dfn-panel"
      id="${s}"
      hidden
      role="dialog"
      aria-modal="true"
      aria-label="Links in this document to definition: ${o}"
    >
      <span class="caret"></span>
      <div>
        <a
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          href="${n}"
          aria-label="Permalink for definition: ${o}. Activate to close this dialog."
          >Permalink</a
        >
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    class="marker dfn-exported"
    title="Definition can be referenced by other specifications"
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        href="${e}"
        class="marker idl-block"
        title="Jump to IDL declaration"
        >IDL</a
      >`}}return null}(e,r)}
      </div>
      <p><b>Referenced in:</b></p>
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    </ul>`;const n=new Map;t.forEach(((t,r)=>{const s=t.id||`ref-for-${e}-${r+1}`;t.id||(t.id=s);const o=function(e){const t=e.closest("section");if(!t)return null;const n=t.querySelector("h1, h2, h3, h4, h5, h6");return n?`§ ${zn(n.textContent)}`:null}(t);(n.get(o)||n.set(o,[]).get(o)).push(s)}));const r=([e,t])=>[{title:e,id:t[0],text:e}].concat(t.slice(1).map(((e,t)=>({title:`Reference ${t+2}`,text:`(${t+2})`,id:e})))),s=e=>$n`<li>
      ${r(e).map((e=>$n`<a href="#${e.id}" title="${e.title}">${e.text}</a
          >${" "}`))}
    </li>`;return $n`<ul>
    ${[...n].map(s)}
  </ul>`}(t,r)}
    </div>
  `;return i}var Ru=Object.freeze({__proto__:null,name:"core/dfn-panel",run:async function(){document.head.insertBefore($n`<style>
      ${Cu}
    </style>`,document.querySelector("link"));const e=document.querySelectorAll("dfn[id]:not([data-cite]), #index-defined-elsewhere .index-term"),t=document.createDocumentFragment();for(const n of e)t.append(Su(n)),n.tabIndex=0,n.setAttribute("aria-haspopup","dialog");document.body.querySelector("script")?document.body.querySelector("script").before(t):document.body.append(t);const n=document.createElement("script");n.id="respec-dfn-panel",n.textContent=await async function(){try{return(await Promise.resolve().then((function(){return Id}))).default}catch{return Vl("./src/core/dfn-panel.runtime.js")}}(),document.body.append(n)}});const Eu="rs-changelog",Au=class extends HTMLElement{constructor(){super(),this.props={from:this.getAttribute("from"),to:this.getAttribute("to")||"HEAD",filter:"function"==typeof window[this.getAttribute("filter")]?window[this.getAttribute("filter")]:()=>!0}}connectedCallback(){const{from:e,to:t,filter:n}=this.props;$n.bind(this)`
      <ul>
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      </ul>
    `}};async function Lu(e,t,n){let r;try{const s=await mo;if(!s)throw new Error("`respecConfig.github` is not set");const o=new URL("commits",`${s.apiBase}/${s.fullName}/`);o.searchParams.set("from",e),o.searchParams.set("to",t);const i=await fetch(o.href);if(!i.ok)throw new Error(`Request to ${o} failed with status code ${i.status}`);if(r=await i.json(),!r.length)throw new Error(`No commits between ${e}..${t}.`);r=r.filter(n)}catch(e){const t=`Error loading commits from GitHub. ${e.message}`;throw new Error(t,{cause:e})}return r}const Tu=[Object.freeze({__proto__:null,element:Au,name:Eu})];var Pu=Object.freeze({__proto__:null,name:"core/custom-elements/index",run:async function(){Tu.forEach((e=>{customElements.define(e.name,e.element)}));const e=Tu.map((e=>e.name)).join(", "),t=[...document.querySelectorAll(e)].map((e=>new Promise((t=>e.addEventListener("done",t,{once:!0})))));await Promise.all(t)}});var Iu=Object.freeze({__proto__:null,name:"core/web-monetization",run:function(e){if(!1===e.monetization)return;const{monetization:t}=e,{removeOnSave:n,paymentPointer:r}=function(e){const t={paymentPointer:"$respec.org",removeOnSave:!0};switch(typeof e){case"string":t.paymentPointer=e;break;case"object":e.paymentPointer&&(t.paymentPointer=String(e.paymentPointer)),!1===e.removeOnSave&&(t.removeOnSave=!1)}return t}(t),s=n?"removeOnSave":null;document.head.append($n`<meta
      name="monetization"
      content="${r}"
      class="${s}"
    />`)}});var Du=Object.freeze({__proto__:null,name:"core/dfn-contract",run:function(){!function(){const e=document.querySelectorAll("dfn:is([data-dfn-type=''],:not([data-dfn-type]))");for(const t of e)t.dataset.dfnType="dfn";const t=document.querySelectorAll("dfn:not([data-noexport], [data-export], [data-dfn-type='dfn'], [data-cite])");for(const e of t)e.dataset.export=""}(),function(){const e=document.querySelectorAll("dl.definitions dt:has(dfn[data-dfn-type])");for(const t of e){const e=t.querySelector("dfn[data-dfn-type]").id,n=t.nextElementSibling;n&&!n.dataset.defines&&e&&(n.dataset.defines=`#${e}`)}const t=document.querySelectorAll(".definition:has(dfn[data-dfn-type])");for(const e of t){const t=e.querySelector("dfn[data-dfn-type]");t.id&&!e.dataset.defines&&(e.dataset.defines=`#${t.id}`)}}()}});const Nu="core/before-save";var Ou=Object.freeze({__proto__:null,name:Nu,run:function(e){if(e.beforeSave)if(Array.isArray(e.beforeSave)&&!e.beforeSave.some((e=>"function"!=typeof e||"AsyncFunction"===e.constructor.name)))vr("beforesave",(t=>{!function(e,t){let n=0;for(const r of e)try{r(t)}catch(e){lr(gr`Function ${`\`${r.name}\``||`at position ${n}`}\` threw an error during processing of ${"[beforeSave]"}.`,Nu,{hint:"See developer console.",cause:e})}finally{n++}}(e.beforeSave,t.ownerDocument)}),{once:!0});else{lr(gr`${"[beforeSave]"} configuration option must be an array of synchronous JS functions.`,Nu)}}});const ju="core/linter-rules/check-charset",Mu=Un({en:{msg:"Document must only contain one `<meta>` tag with charset set to 'utf-8'",hint:'Add this line in your document `<head>` section - `<meta charset="utf-8">` or set charset to "utf-8" if not set already.'},zh:{msg:"文档只能包含一个 charset 属性为 utf-8 的 `<meta>` 标签",hint:'将此行添加到文档的 `<head>` 部分—— `<meta charset="utf-8">` 或将 charset 设置为 utf-8（如果尚未设置）。'}});var qu=Object.freeze({__proto__:null,name:ju,run:function(e){if(!e.lint?.["check-charset"])return;const t=document.querySelectorAll("meta[charset]"),n=[];for(const e of t)n.push(e.getAttribute("charset").trim().toLowerCase());n.includes("utf-8")&&1===t.length||ur(Mu.msg,ju,{hint:Mu.hint,elements:[...t]})}});const zu="core/linter-rules/check-punctuation",Uu=[".",":","!","?"],Wu=Un({en:{msg:"`p` elements should end with a punctuation mark.",hint:`Please make sure \`p\` elements end with one of: ${Uu.map((e=>`"${e}"`)).join(", ")}.`}});var Fu=Object.freeze({__proto__:null,name:zu,run:function(e){if(!e.lint?.["check-punctuation"])return;const t=new RegExp(`[${Uu.join("")}\\]]$|^ *$`,"m"),n=[...document.querySelectorAll("p:not(#back-to-top,#w3c-state)")].filter((e=>!t.test(e.textContent.trim())));n.length&&ur(Wu.msg,zu,{hint:Wu.hint,elements:n})}});const Bu="core/linter-rules/check-internal-slots",Hu=Un({en:{msg:"Internal slots should be preceded by a '.'",hint:"Add a '.' between the elements mentioned."}});var Gu=Object.freeze({__proto__:null,name:Bu,run:function(e){if(!e.lint?.["check-internal-slots"])return;const t=[...document.querySelectorAll("var+a")].filter((({previousSibling:{nodeName:e}})=>e&&"VAR"===e));t.length&&ur(Hu.msg,Bu,{hint:Hu.hint,elements:t})}});const Vu="core/linter-rules/local-refs-exist",Yu=Un({en:{msg:"Broken local reference found in document.",hint:"Please fix the links mentioned."}});function Ku(e){const t=e.getAttribute("href").substring(1),n=e.ownerDocument;return!n.getElementById(t)&&!n.getElementsByName(t).length}var Zu=Object.freeze({__proto__:null,name:Vu,run:function(e){if(!e.lint?.["local-refs-exist"])return;const t=[...document.querySelectorAll("a[href^='#']")].filter(Ku);t.length&&ur(Yu.msg,Vu,{hint:Yu.hint,elements:t})}});const Ju="core/linter-rules/no-captionless-tables",Qu=Un({en:{msg:"All tables marked with class='numbered' must start with a caption element.",hint:"Add a `caption` to the offending table."}});var Xu=Object.freeze({__proto__:null,name:Ju,run:function(e){if(!e.lint?.["no-captionless-tables"])return;const t=[...document.querySelectorAll("table.numbered")].filter((e=>!(e.firstElementChild instanceof HTMLTableCaptionElement)));t.length&&ur(Qu.msg,Ju,{hint:Qu.hint,elements:t})}});const ed="no-unused-dfns",td="core/linter-rules/no-unused-dfns",nd=Un({en:{msg:e=>`Found definition for "${e}", but nothing links to it. This is usually a spec bug!`,get hint(){return gr`
        You can do one of the following...

          * Add a \`class="lint-ignore"\` attribute the definition.
          * Either remove the definition or change \`<dfn>\` to another type of HTML element.
          * If you meant to ${"[export|#data-export]"} the definition, add \`class="export"\` to the definition.

        To silence this warning entirely, set \`lint: { "no-unused-dfns": false }\` in your \`respecConfig\`.`}}});function rd(e){return!document.querySelector(`a[href="#${e.id}"]:not(.index-term, .self-link)`)}var sd=Object.freeze({__proto__:null,name:td,run:function(e){if(!e.lint?.[ed])return;const t="error"===e.lint[ed]?lr:ur;[...document.querySelectorAll("dfn:not(.lint-ignore, [data-export], [data-cite])")].filter(rd).forEach((e=>{const n=[e],r=zn(e.textContent);t(nd.msg(r),td,{elements:n,hint:nd.hint})}))}});const od="core/linter-rules/no-headingless-sections",id=Un({en:{msg:"All sections must start with a `h2-6` element.",hint:"Add a `h2-6` to the offending section or use a `<div>`."},nl:{msg:"Alle secties moeten beginnen met een `h2-6` element.",hint:"Voeg een `h2-6` toe aan de conflicterende sectie of gebruik een `<div>`."},zh:{msg:"所有章节（section）都必须以 `h2-6` 元素开头。",hint:"将 `h2-6` 添加到有问题的章节或使用 `<div>`。"}});var ad=Object.freeze({__proto__:null,name:od,run:function(e){if(!e.lint?.["no-headingless-sections"])return;const t=[...document.querySelectorAll("section:not(.head,#abstract,#sotd)")].filter((({firstElementChild:e})=>!e||!(e.matches(".header-wrapper")||e instanceof HTMLHeadingElement)));t.length&&ur(id.msg,od,{hint:id.hint,elements:t})}});const cd="core/linter-rules/no-unused-vars",ld=Un({en:{msg:"Variable was defined, but never used.",hint:"Add a `data-ignore-unused` attribute to the `<var>`."}});var ud=Object.freeze({__proto__:null,name:cd,run:function(e){if(!e.lint?.["no-unused-vars"])return;const t=[],n=e=>!!e.querySelector(":scope > :not(section) ~ .algorithm, :scope > :not(section) .algorithm");for(const e of document.querySelectorAll("section")){if(!n(e))continue;const r=e.querySelectorAll(":scope > :not(section) var");if(!r.length)continue;const s=new Map;for(const e of r){const t=zn(e.textContent);(s.get(t)||s.set(t,[]).get(t)).push(e)}for(const e of s.values())1!==e.length||e[0].hasAttribute("data-ignore-unused")||t.push(e[0])}t.length&&ur(ld.msg,cd,{hint:ld.hint,elements:t})}});const dd="required-sections",pd="w3c/linter-rules/required-sections",fd={en:{msg:e=>`W3C Recommendation track documents require a separate "${e}" section.`,hint:e=>gr`Add a \`<section>\` with a "${e}" header. See the [Horizontal review guidelines](https://www.w3.org/Guide/documentreview/#how_to_get_horizontal_review).
        If the document is not intended for the W3C Recommendation track, set ${"[noRecTrack]"} to \`true\`
        or turn off the ${`[${dd}]`} linter rule.`,privacy_considerations:"Privacy Considerations",security_considerations:"Security Considerations"},es:{msg:e=>`Documentos que van a ser "W3C Recommendation" requieren una sección "${e}" separada.`,hint:e=>gr`Agrega una \`<section>\` con título "${e}". Ver los [Horizontal review guidelines](https://www.w3.org/Guide/documentreview/#how_to_get_horizontal_review).
        Si el documento no está destinado a ser un W3C Recommendation, puedes poner ${"[noRecTrack]"} a \`true\`
        o apaga la regla de linter ${`[${dd}]`}.`,privacy_considerations:"Consideraciones de privacidad",security_considerations:"Consideraciones de Seguridad"}},hd=Un(fd),md=new Set([...Ms]);md.delete("DISC"),js.forEach((e=>md.delete(e)));var gd=Object.freeze({__proto__:null,name:pd,requiresSomeSectionStatus:md,run:function(e){if(!e.lint?.[dd])return;if(!Wn(fd,"privacy_considerations")){return void ur("Cannot check for required sections as translations are not available.",pd,{hint:"File an issue to add translations or use a supported language."})}if(e.noRecTrack||!md.has(e.specStatus))return;const t="error"===e.lint[dd]?lr:ur,n=new rr([hd.privacy_considerations,hd.security_considerations]),r=document.querySelectorAll("h2, h3, h4, h5, h6");for(const e of r){const t=e.cloneNode(!0);t.querySelectorAll("bdi")?.forEach((e=>e.remove()));const r=zn(t.textContent);if(n.has(r)&&(n.delete(r),0===n.size))return}for(const e of n)t(hd.msg(e),pd,{hint:hd.hint(e)})}});const bd="core/linter-rules/wpt-tests-exist",yd=Un({en:{msg:"The following test could not be found in Web Platform Tests:",hint:"Check [wpt.live](https://wpt.live) to see if it was deleted or renamed."}});var wd=Object.freeze({__proto__:null,name:bd,run:async function(e){if(!e.lint?.["wpt-tests-exist"])return;const t=await async function(e,t){let n;try{const t=new URL(e);if(t.pathname.startsWith("/web-platform-tests/wpt/tree/master/")){const e=/web-platform-tests\/wpt\/tree\/master\/(.+)/;n=t.pathname.match(e)[1].replace(/\//g,"")}else n=t.pathname.replace(/\//g,"")}catch(e){return ur("Failed to parse WPT directory from testSuiteURI",`linter/${bd}`),console.error(e),null}const r=new URL("web-platform-tests/wpt/files",`${t}/`);r.searchParams.set("path",n);const s=await fetch(r);if(!s.ok){return ur(`Failed to fetch files from WPT repository. Request failed with error: ${await s.text()} (${s.status})`,`linter/${bd}`),null}const{entries:o}=await s.json(),i=o.filter((e=>!e.endsWith("/")));return new Set(i)}(e.testSuiteURI,e.githubAPI);if(!t)return;const n=[...document.querySelectorAll("[data-tests]")].filter((e=>e.dataset.tests));for(const e of n)e.dataset.tests.split(/,/gm).map((e=>e.trim().split("#")[0])).filter((e=>e&&!t.has(e))).map((t=>{ur(`${yd.msg} \`${t}\`.`,bd,{hint:yd.hint,elements:[e]})}))}});const vd="core/linter-rules/no-http-props",$d=Un({en:{msg:gr`Insecure URLs are not allowed in ${"[respecConfig]"}.`,hint:"Please change the following properties to 'https://': "},zh:{msg:gr`${"[respecConfig]"} 中不允许使用不安全的URL.`,hint:"请将以下属性更改为 https://："}});var kd=Object.freeze({__proto__:null,name:vd,run:function(e){if(!e.lint?.["no-http-props"])return;if(!parent.location.href.startsWith("http"))return;const t=Object.getOwnPropertyNames(e).filter((t=>t.endsWith("URI")&&e[t]||"prevED"===t)).filter((t=>new URL(e[t],parent.location.href).href.startsWith("http://")));if(t.length){const e=jn(t,(e=>gr`${`[${e}]`}`));ur($d.msg,vd,{hint:$d.hint+e})}}});const xd="core/linter-rules/a11y",_d=["color-contrast","landmark-one-main","landmark-unique","region"];function Cd(e){const t=[];for(const n of e.split("\n\n")){const[e,...r]=n.split(/^\s{2}/m),s=r.map((e=>`- ${e.trimEnd()}`)).join("\n");t.push(`${e}${s}`)}return t.join("\n\n")}var Sd=Object.freeze({__proto__:null,name:xd,run:async function(e){if(!e.lint?.a11y&&!e.a11y)return;const t=e.lint?.a11y||e.a11y,n=!0===t?{}:t,r=await async function(e){const{rules:t,...n}=e,r={rules:{...Object.fromEntries(_d.map((e=>[e,{enabled:!1}]))),...t},...n,elementRef:!0,resultTypes:["violations"],reporter:"v1"};let s;try{s=await function(){const e=document.createElement("script");return e.classList.add("remove"),e.src="https://cdn.jsdelivr.net/npm/axe-core@4/axe.min.js",document.head.appendChild(e),new Promise(((t,n)=>{e.onload=()=>t(window.axe),e.onerror=n}))}()}catch(e){return lr("Failed to load a11y linter.",xd),console.error(e),[]}try{return(await s.run(document,r)).violations}catch(e){return lr("Error while looking for a11y issues.",xd),console.error(e),[]}}(n);for(const e of r){const t=new Map;for(const n of e.nodes){const{failureSummary:e,element:r}=n;(t.get(e)||t.set(e,[]).get(e)).push(r)}const{id:n,help:r,description:s,helpUrl:o}=e,i=`a11y/${n}: ${r}.`;for(const[e,n]of t){const t=Cd(e);ur(i,xd,{details:`\n\n${s}.\n\n${t}. ([Learn more](${o}))`,elements:n})}}}});const Rd="informative-dfn",Ed="core/linter-rules/informative-dfn",Ad=Un({en:{msg:(e,t)=>`Normative reference to "${e}" found but term is defined "informatively" in "${t}".`,get hint(){return gr`
        You can do one of the following...

          * Get the source definition to be made normative
          * Add a \`class="lint-ignore"\` attribute to the link.
          * Use a local normative proxy for the definition à la \`<dfn data-cite="spec">term</dfn>\`

        To silence this warning entirely, set \`lint: { "${Rd}": false }\` in your \`respecConfig\`.`}}});var Ld=Object.freeze({__proto__:null,name:Ed,run:function(e){if(!e.lint?.[Rd])return;const t="error"===e.lint[Rd]?lr:ur;xc.forEach((({term:e,spec:n,element:r})=>{r.classList.contains("lint-ignore")||t(Ad.msg(e,n),Ed,{title:"Normative reference to non-normative term.",elements:[r],hint:Ad.hint})}))}}),Td=Object.freeze({__proto__:null,default:'// ReSpec Worker v1.0.0\n"use strict";\ntry {\n  importScripts("https://www.w3.org/Tools/respec/respec-highlight");\n} catch (err) {\n  console.error("Network error loading highlighter", err);\n}\n\nself.addEventListener("message", ({ data: originalData }) => {\n  const data = Object.assign({}, originalData);\n  switch (data.action) {\n    case "highlight-load-lang": {\n      const { langURL, propName, lang } = data;\n      importScripts(langURL);\n      self.hljs.registerLanguage(lang, self[propName]);\n      break;\n    }\n    case "highlight": {\n      const { code } = data;\n      const langs = data.languages.length ? data.languages : undefined;\n      try {\n        const { value, language } = self.hljs.highlightAuto(code, langs);\n        Object.assign(data, { value, language });\n      } catch (err) {\n        console.error("Could not transform some code?", err);\n        // Post back the original code\n        Object.assign(data, { value: code, language: "" });\n      }\n      break;\n    }\n  }\n  self.postMessage(data);\n});\n'}),Pd=Object.freeze({__proto__:null,default:'(() => {\n// @ts-check\n\nif (document.respec) {\n  document.respec.ready.then(setupVarHighlighter);\n} else {\n  setupVarHighlighter();\n}\n\nfunction setupVarHighlighter() {\n  document\n    .querySelectorAll("var")\n    .forEach(varElem => varElem.addEventListener("click", highlightListener));\n}\n\nfunction highlightListener(ev) {\n  ev.stopPropagation();\n  const { target: varElem } = ev;\n  const hightligtedElems = highlightVars(varElem);\n  const resetListener = () => {\n    const hlColor = getHighlightColor(varElem);\n    hightligtedElems.forEach(el => removeHighlight(el, hlColor));\n    [...HL_COLORS.keys()].forEach(key => HL_COLORS.set(key, true));\n  };\n  if (hightligtedElems.length) {\n    document.body.addEventListener("click", resetListener, { once: true });\n  }\n}\n\n// availability of highlight colors. colors from var.css\nconst HL_COLORS = new Map([\n  ["respec-hl-c1", true],\n  ["respec-hl-c2", true],\n  ["respec-hl-c3", true],\n  ["respec-hl-c4", true],\n  ["respec-hl-c5", true],\n  ["respec-hl-c6", true],\n  ["respec-hl-c7", true],\n]);\n\nfunction getHighlightColor(target) {\n  // return current colors if applicable\n  const { value } = target.classList;\n  const re = /respec-hl-\\w+/;\n  const activeClass = re.test(value) && value.match(re);\n  if (activeClass) return activeClass[0];\n\n  // first color preference\n  if (HL_COLORS.get("respec-hl-c1") === true) return "respec-hl-c1";\n\n  // otherwise get some other available color\n  return [...HL_COLORS.keys()].find(c => HL_COLORS.get(c)) || "respec-hl-c1";\n}\n\nfunction highlightVars(varElem) {\n  const textContent = norm(varElem.textContent);\n  const parent = varElem.closest(".algorithm, section");\n  const highlightColor = getHighlightColor(varElem);\n\n  const varsToHighlight = [...parent.querySelectorAll("var")].filter(\n    el =>\n      norm(el.textContent) === textContent &&\n      el.closest(".algorithm, section") === parent\n  );\n\n  // update availability of highlight color\n  const colorStatus = varsToHighlight[0].classList.contains("respec-hl");\n  HL_COLORS.set(highlightColor, colorStatus);\n\n  // highlight vars\n  if (colorStatus) {\n    varsToHighlight.forEach(el => removeHighlight(el, highlightColor));\n    return [];\n  } else {\n    varsToHighlight.forEach(el => addHighlight(el, highlightColor));\n  }\n  return varsToHighlight;\n}\n\nfunction removeHighlight(el, highlightColor) {\n  el.classList.remove("respec-hl", highlightColor);\n  // clean up empty class attributes so they don\'t come in export\n  if (!el.classList.length) el.removeAttribute("class");\n}\n\nfunction addHighlight(elem, highlightColor) {\n  elem.classList.add("respec-hl", highlightColor);\n}\n\n/**\n * Same as `norm` from src/core/utils, but our build process doesn\'t allow\n * imports in runtime scripts, so duplicated here.\n * @param {string} str\n */\nfunction norm(str) {\n  return str.trim().replace(/\\s+/g, " ");\n}\n})()'}),Id=Object.freeze({__proto__:null,default:'(() => {\n// @ts-check\nif (document.respec) {\n  document.respec.ready.then(setupPanel);\n} else {\n  setupPanel();\n}\n\nfunction setupPanel() {\n  const listener = panelListener();\n  document.body.addEventListener("keydown", listener);\n  document.body.addEventListener("click", listener);\n}\n\nfunction panelListener() {\n  /** @type {HTMLElement} */\n  let panel = null;\n  return event => {\n    const { target, type } = event;\n\n    if (!(target instanceof HTMLElement)) return;\n\n    // For keys, we only care about Enter key to activate the panel\n    // otherwise it\'s activated via a click.\n    if (type === "keydown" && event.key !== "Enter") return;\n\n    const action = deriveAction(event);\n\n    switch (action) {\n      case "show": {\n        hidePanel(panel);\n        /** @type {HTMLElement} */\n        const dfn = target.closest("dfn, .index-term");\n        panel = document.getElementById(`dfn-panel-for-${dfn.id}`);\n        const coords = deriveCoordinates(event);\n        displayPanel(dfn, panel, coords);\n        break;\n      }\n      case "dock": {\n        panel.style.left = null;\n        panel.style.top = null;\n        panel.classList.add("docked");\n        break;\n      }\n      case "hide": {\n        hidePanel(panel);\n        panel = null;\n        break;\n      }\n    }\n  };\n}\n\n/**\n * @param {MouseEvent|KeyboardEvent} event\n */\nfunction deriveCoordinates(event) {\n  const target = /** @type HTMLElement */ (event.target);\n\n  // We prevent synthetic AT clicks from putting\n  // the dialog in a weird place. The AT events sometimes\n  // lack coordinates, so they have clientX/Y = 0\n  const rect = target.getBoundingClientRect();\n  if (\n    event instanceof MouseEvent &&\n    event.clientX >= rect.left &&\n    event.clientY >= rect.top\n  ) {\n    // The event probably happened inside the bounding rect...\n    return { x: event.clientX, y: event.clientY };\n  }\n\n  // Offset to the middle of the element\n  const x = rect.x + rect.width / 2;\n  // Placed at the bottom of the element\n  const y = rect.y + rect.height;\n  return { x, y };\n}\n\n/**\n * @param {Event} event\n */\nfunction deriveAction(event) {\n  const target = /** @type {HTMLElement} */ (event.target);\n  const hitALink = !!target.closest("a");\n  if (target.closest("dfn:not([data-cite]), .index-term")) {\n    return hitALink ? "none" : "show";\n  }\n  if (target.closest(".dfn-panel")) {\n    if (hitALink) {\n      return target.classList.contains("self-link") ? "hide" : "dock";\n    }\n    const panel = target.closest(".dfn-panel");\n    return panel.classList.contains("docked") ? "hide" : "none";\n  }\n  if (document.querySelector(".dfn-panel:not([hidden])")) {\n    return "hide";\n  }\n  return "none";\n}\n\n/**\n * @param {HTMLElement} dfn\n * @param {HTMLElement} panel\n * @param {{ x: number, y: number }} clickPosition\n */\nfunction displayPanel(dfn, panel, { x, y }) {\n  panel.hidden = false;\n  // distance (px) between edge of panel and the pointing triangle (caret)\n  const MARGIN = 20;\n\n  const dfnRects = dfn.getClientRects();\n  // Find the `top` offset when the `dfn` can be spread across multiple lines\n  let closestTop = 0;\n  let minDiff = Infinity;\n  for (const rect of dfnRects) {\n    const { top, bottom } = rect;\n    const diffFromClickY = Math.abs((top + bottom) / 2 - y);\n    if (diffFromClickY < minDiff) {\n      minDiff = diffFromClickY;\n      closestTop = top;\n    }\n  }\n\n  const top = window.scrollY + closestTop + dfnRects[0].height;\n  const left = x - MARGIN;\n  panel.style.left = `${left}px`;\n  panel.style.top = `${top}px`;\n\n  // Find if the panel is flowing out of the window\n  const panelRect = panel.getBoundingClientRect();\n  const SCREEN_WIDTH = Math.min(window.innerWidth, window.screen.width);\n  if (panelRect.right > SCREEN_WIDTH) {\n    const newLeft = Math.max(MARGIN, x + MARGIN - panelRect.width);\n    const newCaretOffset = left - newLeft;\n    panel.style.left = `${newLeft}px`;\n    /** @type {HTMLElement} */\n    const caret = panel.querySelector(".caret");\n    caret.style.left = `${newCaretOffset}px`;\n  }\n\n  // As it\'s a dialog, we trap focus.\n  // TODO: when <dialog> becomes a implemented, we should really\n  // use that.\n  trapFocus(panel, dfn);\n}\n\n/**\n * @param {HTMLElement} panel\n * @param {HTMLElement} dfn\n * @returns\n */\nfunction trapFocus(panel, dfn) {\n  /** @type NodeListOf<HTMLAnchorElement> elements */\n  const anchors = panel.querySelectorAll("a[href]");\n  // No need to trap focus\n  if (!anchors.length) return;\n\n  // Move focus to first anchor element\n  const first = anchors.item(0);\n  first.focus();\n\n  const trapListener = createTrapListener(anchors, panel, dfn);\n  panel.addEventListener("keydown", trapListener);\n\n  // Hiding the panel releases the trap\n  const mo = new MutationObserver(records => {\n    const [record] = records;\n    const target = /** @type HTMLElement */ (record.target);\n    if (target.hidden) {\n      panel.removeEventListener("keydown", trapListener);\n      mo.disconnect();\n    }\n  });\n  mo.observe(panel, { attributes: true, attributeFilter: ["hidden"] });\n}\n\n/**\n *\n * @param {NodeListOf<HTMLAnchorElement>} anchors\n * @param {HTMLElement} panel\n * @param {HTMLElement} dfn\n * @returns\n */\nfunction createTrapListener(anchors, panel, dfn) {\n  const lastIndex = anchors.length - 1;\n  let currentIndex = 0;\n  return event => {\n    switch (event.key) {\n      // Hitting "Tab" traps us in a nice loop around elements.\n      case "Tab": {\n        event.preventDefault();\n        currentIndex += event.shiftKey ? -1 : +1;\n        if (currentIndex < 0) {\n          currentIndex = lastIndex;\n        } else if (currentIndex > lastIndex) {\n          currentIndex = 0;\n        }\n        anchors.item(currentIndex).focus();\n        break;\n      }\n\n      // Hitting "Enter" on an anchor releases the trap.\n      case "Enter":\n        hidePanel(panel);\n        break;\n\n      // Hitting "Escape" returns focus to dfn.\n      case "Escape":\n        hidePanel(panel);\n        dfn.focus();\n        return;\n    }\n  };\n}\n\n/** @param {HTMLElement} panel */\nfunction hidePanel(panel) {\n  if (!panel) return;\n  panel.hidden = true;\n  panel.classList.remove("docked");\n}\n})()'})}();
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