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respec
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respec/builds/respec-w3c.js

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window.respecVersion="31.0.2",function(){"use strict";const e=!!window.require;if(!e){const e=function(e,t){const n=e.map(e=>{if(!(e in window.require.modules))throw new Error("Unsupported dependency name: "+e);return window.require.modules[e]});Promise.all(n).then(e=>t(...e))};e.modules={},window.require=e}function t(t,n){e||(window.require.modules[t]=n)}const n=new EventTarget;function r(e,t){if(n.dispatchEvent(new CustomEvent(e,{detail:t})),window.parent===window.self)return;const r=String(JSON.stringify(t?.stack||t));window.parent.postMessage({topic:e,args:r},window.parent.location.origin)}function s(e,t,r={once:!1}){n.addEventListener(e,e=>t(e.detail),r)}t("core/pubsubhub",{sub:s});const i=["githubToken","githubUser"];const o=document.documentElement;o&&!o.hasAttribute("lang")&&(o.lang="en",o.hasAttribute("dir")||(o.dir="ltr"));const a={},c=o.lang;var l=Object.freeze({__proto__:null,name:"core/l10n",l10n:a,lang:c,run:function(e){e.l10n=a[c]||a.en}});let u,d;const p=new WeakMap,f=new WeakMap,h=new WeakMap,m=new WeakMap,g=new WeakMap;let b={get(e,t,n){if(e instanceof IDBTransaction){if("done"===t)return f.get(e);if("objectStoreNames"===t)return e.objectStoreNames||h.get(e);if("store"===t)return n.objectStoreNames[1]?void 0:n.objectStore(n.objectStoreNames[0])}return v(e[t])},set:(e,t,n)=>(e[t]=n,!0),has:(e,t)=>e instanceof IDBTransaction&&("done"===t||"store"===t)||t in e};function y(e){return e!==IDBDatabase.prototype.transaction||"objectStoreNames"in IDBTransaction.prototype?(d||(d=[IDBCursor.prototype.advance,IDBCursor.prototype.continue,IDBCursor.prototype.continuePrimaryKey])).includes(e)?function(...t){return e.apply(k(this),t),v(p.get(this))}:function(...t){return v(e.apply(k(this),t))}:function(t,...n){const r=e.call(k(this),t,...n);return h.set(r,t.sort?t.sort():[t]),v(r)}}function w(e){return"function"==typeof e?y(e):(e instanceof IDBTransaction&&function(e){if(f.has(e))return;const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("complete",s),e.removeEventListener("error",i),e.removeEventListener("abort",i)},s=()=>{t(),r()},i=()=>{n(e.error||new DOMException("AbortError","AbortError")),r()};e.addEventListener("complete",s),e.addEventListener("error",i),e.addEventListener("abort",i)});f.set(e,t)}(e),t=e,(u||(u=[IDBDatabase,IDBObjectStore,IDBIndex,IDBCursor,IDBTransaction])).some(e=>t instanceof e)?new Proxy(e,b):e);var t}function v(e){if(e instanceof IDBRequest)return function(e){const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("success",s),e.removeEventListener("error",i)},s=()=>{t(v(e.result)),r()},i=()=>{n(e.error),r()};e.addEventListener("success",s),e.addEventListener("error",i)});return t.then(t=>{t instanceof IDBCursor&&p.set(t,e)}).catch(()=>{}),g.set(t,e),t}(e);if(m.has(e))return m.get(e);const t=w(e);return t!==e&&(m.set(e,t),g.set(t,e)),t}const k=e=>g.get(e);const $=["get","getKey","getAll","getAllKeys","count"],x=["put","add","delete","clear"],_=new Map;function C(e,t){if(!(e instanceof IDBDatabase)||t in e||"string"!=typeof t)return;if(_.get(t))return _.get(t);const n=t.replace(/FromIndex$/,""),r=t!==n,s=x.includes(n);if(!(n in(r?IDBIndex:IDBObjectStore).prototype)||!s&&!$.includes(n))return;const i=async function(e,...t){const i=this.transaction(e,s?"readwrite":"readonly");let o=i.store;return r&&(o=o.index(t.shift())),(await Promise.all([o[n](...t),s&&i.done]))[0]};return _.set(t,i),i}b=(e=>({...e,get:(t,n,r)=>C(t,n)||e.get(t,n,r),has:(t,n)=>!!C(t,n)||e.has(t,n)}))(b);var S=Object.freeze({__proto__:null,deleteDB:function(e,{blocked:t}={}){const n=indexedDB.deleteDatabase(e);return t&&n.addEventListener("blocked",()=>t()),v(n).then(()=>{})},openDB:function(e,t,{blocked:n,upgrade:r,blocking:s,terminated:i}={}){const o=indexedDB.open(e,t),a=v(o);return r&&o.addEventListener("upgradeneeded",e=>{r(v(o.result),e.oldVersion,e.newVersion,v(o.transaction))}),n&&o.addEventListener("blocked",()=>n()),a.then(e=>{i&&e.addEventListener("close",()=>i()),s&&e.addEventListener("versionchange",()=>s())}).catch(()=>{}),a},unwrap:k,wrap:v});function R(e,t,n,r,s,{level:i="error",autofix:o,ruleName:a}={}){function c(n){return n>0?e.slice(t,t+n):e.slice(Math.max(t+n,0),t)}function l(n,{precedes:r}={}){const s=n.map(e=>e.trivia+e.value).join(""),i=e[t];return"eof"===i.type?s:r?s+i.trivia:s.slice(i.trivia.length)}const u="eof"!==e[t].type?e[t].line:e.length>1?e[t-1].line:1,d=function(e){const t=e.split("\n");return t[t.length-1]}(l(c(-5),{precedes:!0})),p=c(5),f=l(p),h=d+f.split("\n")[0]+"\n"+(" ".repeat(d.length)+"^"),m="Syntax"===s?"since":"inside",g=`${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:i,ruleName:a,autofix:o,input:f,tokens:p}}function E(e,t,n,r){return R(e,t,n,r,"Syntax")}function A(e,t,n,r,s={}){return s.ruleName=n,R(t.source,e.index,t,r,"Validation",s)}class L{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 T(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=T(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=T(n,t);if(e)return n.union?e:{reference:n,dictionary:e.dictionary}}}function P(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?P(r,t)&&(n=!0):n=!0}return t.cache.dictionaryIncludesRequiredField.set(e,n),n}class I extends Array{constructor({source:e,tokens:t}){super(),Object.defineProperties(this,{source:{value:e},tokens:{value:t},parent:{value:null,writable:!0}})}}class D extends L{static parser(e,t){return()=>{const n=e.consumeKind(t);if(n)return new D({source:e.source,tokens:{value:n}})}}get value(){return J(this.tokens.value.value)}write(e){return e.ts.wrap([e.token(this.tokens.value),e.token(this.tokens.separator)])}}class N extends D{static parse(e){const t=e.consumeKind("eof");if(t)return new N({source:e.source,tokens:{value:t}})}get type(){return"eof"}}function j(e,t){return Q(e,{parser:D.parser(e,t),listName:t+" list"})}const O=["identifier","decimal","integer","string"],z=new Map([...["NoInterfaceObject","LenientSetter","LenientThis","TreatNonObjectAsNull","Unforgeable"].map(e=>[e,"Legacy"+e]),["NamedConstructor","LegacyFactoryFunction"],["OverrideBuiltins","LegacyOverrideBuiltIns"],["TreatNullAs","LegacyNullToEmptyString"]]);function M(e){for(const t of O){const n=j(e,t);if(n.length)return n}e.error("Expected identifiers, strings, decimals, or integers but none found")}class U extends L{static parse(e){const t={assign:e.consume("=")},n=le(new U({source:e.source,tokens:t}));if(n.list=[],t.assign){if(t.asterisk=e.consume("*"),t.asterisk)return n.this;t.secondaryName=e.consumeKind(...O)}return t.open=e.consume("("),t.open?(n.list=n.rhsIsList?M(e):ne(e),t.close=e.consume(")")||e.error("Unexpected token in extended attribute argument list")):n.hasRhs&&!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 q extends L{static parse(e){const t=e.consumeKind("identifier");if(t)return new q({source:e.source,tokens:{name:t},params:U.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?J(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 A(this.tokens.name,this,"no-nointerfaceobject",e,{level:"warning"})}else if(z.has(t)){const e=`\`[${t}]\` extended attribute is a legacy feature that is now renamed to \`[${z.get(t)}]\`. Refer to the [relevant upstream PR](https://github.com/whatwg/webidl/pull/870) for more information.`;yield A(this.tokens.name,this,"renamed-legacy",e,{level:"warning",autofix:(n=this,()=>{const{name:e}=n;n.tokens.name.value=z.get(e),"TreatNullAs"===e&&(n.params.tokens={})})})}var n;for(const t of this.arguments)yield*t.validate(e)}write(e){return e.ts.wrap([e.ts.trivia(this.tokens.name.trivia),e.ts.extendedAttribute(e.ts.wrap([e.ts.extendedAttributeReference(this.name),this.params.write(e)])),e.token(this.tokens.separator)])}}class W extends I{static parse(e){const t={};if(t.open=e.consume("["),!t.open)return new W({});const n=new W({source:e.source,tokens:t});return n.push(...Q(e,{parser:q.parse,listName:"extended attribute"})),t.close=e.consume("]")||e.error("Unexpected closing token of extended attribute"),n.length||e.error("Found an empty extended attribute"),e.probe("[")&&e.error("Illegal double extended attribute lists, consider merging them"),n}*validate(e){for(const t of this)yield*t.validate(e)}write(e){return this.length?e.ts.wrap([e.token(this.tokens.open),...this.map(t=>t.write(e)),e.token(this.tokens.close)]):""}}function F(e,t){const n=e.consume("?");n&&(t.tokens.nullable=n),e.probe("?")&&e.error("Can't nullable more than once")}function B(e,t){let n=function(e,t){const n=e.consume("FrozenArray","ObservableArray","Promise","sequence","record");if(!n)return;const r=le(new H({source:e.source,tokens:{base:n}}));switch(r.tokens.open=e.consume("<")||e.error("No opening bracket after "+n.value),n.value){case"Promise":{e.probe("[")&&e.error("Promise type cannot have extended attribute");const n=se(e,t)||e.error("Missing Promise subtype");r.subtype.push(n);break}case"sequence":case"FrozenArray":case"ObservableArray":{const s=re(e,t)||e.error(`Missing ${n.value} subtype`);r.subtype.push(s);break}case"record":{e.probe("[")&&e.error("Record key cannot have extended attribute");const n=e.consume(...pe)||e.error("Record key must be one of: "+pe.join(", ")),s=new H({source:e.source,tokens:{base:n}});s.tokens.separator=e.consume(",")||e.error("Missing comma after record key type"),s.type=t;const i=re(e,t)||e.error("Error parsing generic type record");r.subtype.push(s,i);break}}return r.idlType||e.error("Error parsing generic type "+n.value),r.tokens.close=e.consume(">")||e.error("Missing closing bracket after "+n.value),r.this}(e,t)||te(e);if(!n){const t=e.consumeKind("identifier")||e.consume(...pe,...de);if(!t)return;n=new H({source:e.source,tokens:{base:t}}),e.probe("<")&&e.error("Unsupported generic type "+t.value)}return"Promise"===n.generic&&e.probe("?")&&e.error("Promise type cannot be nullable"),n.type=t||null,F(e,n),n.nullable&&"any"===n.idlType&&e.error("Type `any` cannot be made nullable"),n}class H extends L{static parse(e,t){return B(e,t)||function(e,t){const n={};if(n.open=e.consume("("),!n.open)return;const r=le(new H({source:e.source,tokens:n}));for(r.type=t||null;;){const t=re(e)||e.error("No type after open parenthesis or 'or' in union type");"any"===t.idlType&&e.error("Type `any` cannot be included in a union type"),"Promise"===t.generic&&e.error("Type `Promise` cannot be included in a union type"),r.subtype.push(t);const n=e.consume("or");if(!n)break;t.tokens.separator=n}return r.idlType.length<2&&e.error("At least two types are expected in a union type but found less"),n.close=e.consume(")")||e.error("Unterminated union type"),F(e,r),r.this}(e,t)}constructor({source:e,tokens:t}){super({source:e,tokens:t}),Object.defineProperty(this,"subtype",{value:[],writable:!0}),this.extAttrs=new W({})}get generic(){return this.subtype.length&&this.tokens.base?this.tokens.base.value:""}get nullable(){return Boolean(this.tokens.nullable)}get union(){return Boolean(this.subtype.length)&&!this.tokens.base}get idlType(){if(this.subtype.length)return this.subtype;return J([this.tokens.prefix,this.tokens.base,this.tokens.postfix].filter(e=>e).map(e=>e.value).join(" "))}*validate(e){if(yield*this.extAttrs.validate(e),"void"===this.idlType){const e="`void` is now replaced by `undefined`. Refer to the [relevant GitHub issue](https://github.com/whatwg/webidl/issues/60) for more information.";yield A(this.tokens.base,this,"replace-void",e,{autofix:(t=this,()=>{t.tokens.base.value="undefined"})})}var t;const n=!this.union&&e.unique.get(this.idlType),r=this.union?this:n&&"typedef"===n.type?n.idlType:void 0;if(r&&this.nullable){const{reference:t}=T(r,e)||{};if(t){const e=(this.union?t:this).tokens.base,n="Nullable union cannot include a dictionary type.";yield A(e,this,"no-nullable-union-dict",n)}}else for(const t of this.subtype)yield*t.validate(e)}write(e){return e.ts.wrap([this.extAttrs.write(e),(()=>{if(this.union||this.generic)return e.ts.wrap([e.token(this.tokens.base,e.ts.generic),e.token(this.tokens.open),...this.subtype.map(t=>t.write(e)),e.token(this.tokens.close)]);const 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)])}}class G extends L{static parse(e){const t=e.consume("=");if(!t)return null;const n=X(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 G({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 ee(this.expression[0]).type}get value(){return ee(this.expression[0]).value}get negative(){return ee(this.expression[0]).negative}write(e){return e.ts.wrap([e.token(this.tokens.assign),...this.expression.map(t=>e.token(t))])}}class V extends L{static parse(e){const t=e.position,n={},r=le(new V({source:e.source,tokens:n}));return r.extAttrs=W.parse(e),n.optional=e.consume("optional"),r.idlType=re(e,"argument-type"),r.idlType?(n.optional||(n.variadic=e.consume("...")),n.name=e.consumeKind("identifier")||e.consume(...fe),n.name?(r.default=n.optional?G.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 J(this.tokens.name.value)}*validate(e){yield*this.extAttrs.validate(e),yield*this.idlType.validate(e);const t=T(this.idlType,e,{useNullableInner:!0});if(t)if(this.idlType.nullable){const e="Dictionary arguments cannot be nullable.";yield A(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 A(this.tokens.name,this,"dict-arg-default",e,{autofix:K(this)})}}else if(this.parent&&!P(t.dictionary,e)&&function(e){const t=e.parent.arguments||e.parent.list,n=t.indexOf(e);return!t.slice(n+1).some(e=>!e.optional)}(this)){const e="Dictionary argument must be optional if it has no required fields";yield A(this.tokens.name,this,"dict-arg-optional",e,{autofix:(n=this,()=>{const e=ce(n.idlType);n.tokens.optional={...e,type:"optional",value:"optional"},e.trivia=" ",K(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 K(e){return()=>{e.default=G.parse(new be(" = {}"))}}class Y extends L{static parse(e,{special:t,regular:n}={}){const r={special:t},s=le(new Y({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=se(e)||e.error("Missing return type"),r.name=e.consumeKind("identifier")||e.consume("includes"),r.open=e.consume("(")||e.error("Invalid operation"),s.arguments=ne(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?J(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 A(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 Z extends L{static parse(e,{special:t,noInherit:n=!1,readonly:r=!1}={}){const s=e.position,i={special:t},o=le(new Z({source:e.source,tokens:i}));if(t||n||(i.special=e.consume("inherit")),"inherit"===o.special&&e.probe("readonly")&&e.error("Inherited attributes cannot be read-only"),i.readonly=e.consume("readonly"),r&&!i.readonly&&e.probe("attribute")&&e.error("Attributes must be readonly 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ce(e){if(e.extAttrs.length)return e.extAttrs.tokens.open;if("operation"===e.type&&!e.special)return ce(e.idlType);return Object.values(e.tokens).sort((e,t)=>e.index-t.index)[0]}function le(e,t){return t||(t=e),e?new Proxy(e,{get(e,t){const n=e[t];return Array.isArray(n)?le(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}}):e}const ue={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 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n=0,r="",s=1,i=0;for(;n<e.length;){const a=e.charAt(n);let c=-1;if(/[\t\n\r ]/.test(a)?c=o("whitespace",{noFlushTrivia:!0}):"/"===a&&(c=o("comment",{noFlushTrivia:!0})),-1!==c){const e=t.pop().value;s+=(e.match(/\n/g)||[]).length,r+=e,i-=1}else if(/[-0-9.A-Z_a-z]/.test(a)){if(c=o("decimal"),-1===c&&(c=o("integer")),-1===c){c=o("identifier");const e=t.length-1,n=t[e];if(-1!==c){if(ge.includes(n.value)){const r=J(n.value)+" is a reserved identifier and must not be used.";throw new ye(E(t,e,null,r))}he.includes(n.value)&&(n.type="inline")}}}else'"'===a&&(c=o("string"));for(const o of me)if(e.startsWith(o,n)){t.push({type:"inline",value:o,trivia:r,line:s,index:i}),r="",n+=o.length,c=n;break}if(-1===c&&(c=o("other")),-1===c)throw new Error("Token stream not progressing");n=c,i+=1}return t.push({type:"eof",value:"",trivia:r,line:s,index:i}),t;function o(o,{noFlushTrivia:a}={}){const c=ue[o];c.lastIndex=n;const l=c.exec(e);return l?(t.push({type:o,value:l[0],trivia:r,line:s,index:i}),a||(r=""),c.lastIndex):-1}}(e),this.position=0}error(e){throw new ye(E(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 ye extends Error{constructor({message:e,bareMessage:t,context:n,line:r,sourceName:s,input:i,tokens:o}){super(e),this.name="WebIDLParseError",this.bareMessage=t,this.context=n,this.line=r,this.sourceName=s,this.input=i,this.tokens=o}}class we extends D{static parse(e){const t=e.consumeKind("string");if(t)return new we({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 ve extends L{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=le(new ve({source:e.source,tokens:t}));return e.current=n.this,t.open=e.consume("{")||e.error("Bodyless enum"),n.values=Q(e,{parser:we.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 J(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 ke extends L{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 ke({source:e.source,tokens:n});e.unconsume(t.index)}get type(){return"includes"}get target(){return J(this.tokens.target.value)}get includes(){return J(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 $e extends L{static parse(e){const t={},n=le(new $e({source:e.source,tokens:t}));if(t.base=e.consume("typedef"),t.base)return n.idlType=re(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 J(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 xe extends L{static parse(e,t){const n={base:t},r=le(new xe({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=se(e)||e.error("Callback lacks a return type"),n.open=e.consume("(")||e.error("Callback lacks parentheses for arguments"),r.arguments=ne(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 J(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 _e extends L{static parse(e,t,{inheritable:n,allowedMembers:r}){const{tokens:s,type:i}=t;for(s.name=e.consumeKind("identifier")||e.error("Missing name in "+i),e.current=t,t=le(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 "+i),t.members=[];;){if(s.close=e.consume("}"),s.close)return s.termination=e.consume(";")||e.error("Missing semicolon after "+i),t.this;const n=W.parse(e);let o;for(const[t,...n]of r)if(o=le(t(e,...n)),o)break;o||e.error("Unknown member"),o.extAttrs=n,t.members.push(o.this)}}get partial(){return!!this.tokens.partial}get name(){return J(this.tokens.name.value)}get inheritance(){return this.tokens.inheritance?J(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 Ce extends L{static parse(e){const t={};if(t.base=e.consume("const"),!t.base)return;let n=te(e);if(!n){const t=e.consumeKind("identifier")||e.error("Const lacks a type");n=new H({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=X(e)||e.error("Const lacks a value"),t.termination=e.consume(";")||e.error("Unterminated const, expected `;`");const r=new Ce({source:e.source,tokens:t});return le(r).idlType=n,r}get type(){return"const"}get name(){return J(this.tokens.name.value)}get value(){return ee(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 Se extends L{static parse(e){const t=e.position,n={},r=le(new Se({source:e.source,tokens:n}));if(n.readonly=e.consume("readonly"),n.readonly||(n.async=e.consume("async")),n.base=n.readonly?e.consume("maplike","setlike"):n.async?e.consume("iterable"):e.consume("iterable","maplike","setlike"),!n.base)return void e.unconsume(t);const{type:s}=r,i="maplike"===s,o=i||"iterable"===s,a=r.async&&"iterable"===s;n.open=e.consume("<")||e.error(`Missing less-than sign \`<\` in ${s} declaration`);const c=re(e)||e.error(`Missing a type argument in ${s} declaration`);return r.idlType=[c],r.arguments=[],o&&(c.tokens.separator=e.consume(","),c.tokens.separator?r.idlType.push(re(e)):i&&e.error(`Missing second type argument in ${s} declaration`)),n.close=e.consume(">")||e.error(`Missing greater-than sign \`>\` in ${s} declaration`),e.probe("(")&&(a?(n.argsOpen=e.consume("("),r.arguments.push(...ne(e)),n.argsClose=e.consume(")")||e.error("Unterminated async iterable argument list")):e.error("Arguments are only allowed for `async 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constructor"),n.termination=e.consume(";")||e.error("No semicolon after constructor");const s=new Re({source:e.source,tokens:n});return le(s).arguments=r,s}get type(){return"constructor"}*validate(e){this.idlType&&(yield*this.idlType.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 Ee(e){const t=e.consume("static");if(!t)return;return Z.parse(e,{special:t})||Y.parse(e,{special:t})||e.error("No body in static member")}class Ae extends _e{static parse(e,t,{partial:n=null}={}){const r={partial:n,base:t};return _e.parse(e,new Ae({source:e.source,tokens:r}),{inheritable:!n,allowedMembers:[[Ce.parse],[Re.parse],[Ee],[ie],[Se.parse],[Z.parse],[Y.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. To fix, add, for example, `[Exposed=Window]`. Please also consider carefully if your interface should also be exposed in a Worker scope. Refer to the [WebIDL spec section on Exposed](https://heycam.github.io/webidl/#Exposed) for more information.";yield A(this.tokens.name,this,"require-exposed",e,{autofix:ae(this)})}const t=this.extAttrs.filter(e=>"Constructor"===e.name);for(const e of t){const t="Constructors should now be represented as a `constructor()` operation on the interface instead of `[Constructor]` extended attribute. 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r=this.rules.inline.emStrong.lDelim.exec(e);if(!r)return;if(r[3]&&n.match(/[\p{L}\p{N}]/u))return;const s=r[1]||r[2]||"";if(!s||s&&(""===n||this.rules.inline.punctuation.exec(n))){const n=r[0].length-1;let s,i,o=n,a=0;const c="*"===r[0][0]?this.rules.inline.emStrong.rDelimAst:this.rules.inline.emStrong.rDelimUnd;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(i=s.length,r[3]||r[4]){o+=i;continue}if((r[5]||r[6])&&n%3&&!((n+i)%3)){a+=i;continue}if(o-=i,o>0)continue;if(i=Math.min(i,i+o+a),Math.min(n,i)%2){const t=e.slice(1,n+r.index+i);return{type:"em",raw:e.slice(0,n+r.index+i+1),text:t,tokens:this.lexer.inlineTokens(t,[])}}const t=e.slice(2,n+r.index+i-1);return{type:"strong",raw:e.slice(0,n+r.index+i+1),text:t,tokens:this.lexer.inlineTokens(t,[])}}}}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)&&/ $/.test(e);return n&&r&&(e=e.substring(1,e.length-1)),e=tt(e,!0),{type:"codespan",raw:t[0],text:e}}}br(e){const t=this.rules.inline.br.exec(e);if(t)return{type:"br",raw:t[0]}}del(e){const t=this.rules.inline.del.exec(e);if(t)return{type:"del",raw:t[0],text:t[2],tokens:this.lexer.inlineTokens(t[2],[])}}autolink(e,t){const n=this.rules.inline.autolink.exec(e);if(n){let e,r;return"@"===n[2]?(e=tt(this.options.mangle?t(n[1]):n[1]),r="mailto:"+e):(e=tt(n[1]),r=e),{type:"link",raw:n[0],text:e,href:r,tokens:[{type:"text",raw:e,text:e}]}}}url(e,t){let n;if(n=this.rules.inline.url.exec(e)){let e,r;if("@"===n[2])e=tt(this.options.mangle?t(n[0]):n[0]),r="mailto:"+e;else{let t;do{t=n[0],n[0]=this.rules.inline._backpedal.exec(n[0])[0]}while(t!==n[0]);e=tt(n[0]),r="www."===n[1]?"http://"+e:e}return{type:"link",raw:n[0],text:e,href:r,tokens:[{type:"text",raw:e,text:e}]}}}inlineText(e,t){const n=this.rules.inline.text.exec(e);if(n){let e;return e=this.lexer.state.inRawBlock?this.options.sanitize?this.options.sanitizer?this.options.sanitizer(n[0]):tt(n[0]):n[0]:tt(this.options.smartypants?t(n[0]):n[0]),{type:"text",raw:n[0],text:e}}}}const kt={newline:/^(?: *(?:\n|$))+/,code:/^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/,fences:/^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?=\n|$)|$)/,hr:/^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,heading:/^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/,blockquote:/^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,list:/^( {0,3}bull)( [^\n]+?)?(?:\n|$)/,html:"^ {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|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$))",def:/^ {0,3}\[(label)\]: *(?:\n *)?<?([^\s>]+)>?(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/,table:ft,lheading:/^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,_paragraph:/^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/,text:/^[^\n]+/,_label:/(?!\s*\])(?:\\.|[^\[\]\\])+/,_title:/(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/};kt.def=it(kt.def).replace("label",kt._label).replace("title",kt._title).getRegex(),kt.bullet=/(?:[*+-]|\d{1,9}[.)])/,kt.listItemStart=it(/^( *)(bull) */).replace("bull",kt.bullet).getRegex(),kt.list=it(kt.list).replace(/bull/g,kt.bullet).replace("hr","\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))").replace("def","\\n+(?="+kt.def.source+")").getRegex(),kt._tag="address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul",kt._comment=/<!--(?!-?>)[\s\S]*?(?:-->|$)/,kt.html=it(kt.html,"i").replace("comment",kt._comment).replace("tag",kt._tag).replace("attribute",/ +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex(),kt.paragraph=it(kt._paragraph).replace("hr",kt.hr).replace("heading"," {0,3}#{1,6} ").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",kt._tag).getRegex(),kt.blockquote=it(kt.blockquote).replace("paragraph",kt.paragraph).getRegex(),kt.normal=ht({},kt),kt.gfm=ht({},kt.normal,{table:"^ *([^\\n ].*\\|.*)\\n {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)(?:\\| *)?(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)"}),kt.gfm.table=it(kt.gfm.table).replace("hr",kt.hr).replace("heading"," {0,3}#{1,6} ").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",kt._tag).getRegex(),kt.gfm.paragraph=it(kt._paragraph).replace("hr",kt.hr).replace("heading"," {0,3}#{1,6} ").replace("|lheading","").replace("table",kt.gfm.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",kt._tag).getRegex(),kt.pedantic=ht({},kt.normal,{html:it("^ *(?:comment *(?:\\n|\\s*$)|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)|<tag(?:\"[^\"]*\"|'[^']*'|\\s[^'\"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))").replace("comment",kt._comment).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,paragraph:it(kt.normal._paragraph).replace("hr",kt.hr).replace("heading"," *#{1,6} *[^\n]").replace("lheading",kt.lheading).replace("blockquote"," {0,3}>").replace("|fences","").replace("|list","").replace("|html","").getRegex()});const $t={escape:/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,autolink:/^<(scheme:[^\s\x00-\x1f<>]*|email)>/,url:ft,tag:"^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",link:/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,reflink:/^!?\[(label)\]\[(ref)\]/,nolink:/^!?\[(ref)\](?:\[\])?/,reflinkSearch:"reflink|nolink(?!\\()",emStrong:{lDelim:/^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,rDelimAst:/^[^_*]*?\_\_[^_*]*?\*[^_*]*?(?=\_\_)|[punct_](\*+)(?=[\s]|$)|[^punct*_\s](\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|[^punct*_\s](\*+)(?=[^punct*_\s])/,rDelimUnd:/^[^_*]*?\*\*[^_*]*?\_[^_*]*?(?=\*\*)|[punct*](\_+)(?=[\s]|$)|[^punct*_\s](\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/},code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,br:/^( {2,}|\\)\n(?!\s*$)/,del:ft,text:/^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,punctuation:/^([\spunctuation])/};function xt(e){return e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function _t(e){let t,n,r="";const s=e.length;for(t=0;t<s;t++)n=e.charCodeAt(t),Math.random()>.5&&(n="x"+n.toString(16)),r+="&#"+n+";";return r}$t._punctuation="!\"#$%&'()+\\-.,/:;<=>?@\\[\\]`^{|}~",$t.punctuation=it($t.punctuation).replace(/punctuation/g,$t._punctuation).getRegex(),$t.blockSkip=/\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g,$t.escapedEmSt=/\\\*|\\_/g,$t._comment=it(kt._comment).replace("(?:--\x3e|$)","--\x3e").getRegex(),$t.emStrong.lDelim=it($t.emStrong.lDelim).replace(/punct/g,$t._punctuation).getRegex(),$t.emStrong.rDelimAst=it($t.emStrong.rDelimAst,"g").replace(/punct/g,$t._punctuation).getRegex(),$t.emStrong.rDelimUnd=it($t.emStrong.rDelimUnd,"g").replace(/punct/g,$t._punctuation).getRegex(),$t._escapes=/\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g,$t._scheme=/[a-zA-Z][a-zA-Z0-9+.-]{1,31}/,$t._email=/[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/,$t.autolink=it($t.autolink).replace("scheme",$t._scheme).replace("email",$t._email).getRegex(),$t._attribute=/\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/,$t.tag=it($t.tag).replace("comment",$t._comment).replace("attribute",$t._attribute).getRegex(),$t._label=/(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/,$t._href=/<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/,$t._title=/"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/,$t.link=it($t.link).replace("label",$t._label).replace("href",$t._href).replace("title",$t._title).getRegex(),$t.reflink=it($t.reflink).replace("label",$t._label).replace("ref",kt._label).getRegex(),$t.nolink=it($t.nolink).replace("ref",kt._label).getRegex(),$t.reflinkSearch=it($t.reflinkSearch,"g").replace("reflink",$t.reflink).replace("nolink",$t.nolink).getRegex(),$t.normal=ht({},$t),$t.pedantic=ht({},$t.normal,{strong:{start:/^__|\*\*/,middle:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,endAst:/\*\*(?!\*)/g,endUnd:/__(?!_)/g},em:{start:/^_|\*/,middle:/^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,endAst:/\*(?!\*)/g,endUnd:/_(?!_)/g},link:it(/^!?\[(label)\]\((.*?)\)/).replace("label",$t._label).getRegex(),reflink:it(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label",$t._label).getRegex()}),$t.gfm=ht({},$t.normal,{escape:it($t.escape).replace("])","~|])").getRegex(),_extended_email:/[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,url:/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,_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.!#$%&'*+\/=?_`{\|}~-]+@)))/}),$t.gfm.url=it($t.gfm.url,"i").replace("email",$t.gfm._extended_email).getRegex(),$t.breaks=ht({},$t.gfm,{br:it($t.br).replace("{2,}","*").getRegex(),text:it($t.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});class Ct{constructor(e){this.tokens=[],this.tokens.links=Object.create(null),this.options=e||Ke,this.options.tokenizer=this.options.tokenizer||new vt,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:kt.normal,inline:$t.normal};this.options.pedantic?(t.block=kt.pedantic,t.inline=$t.pedantic):this.options.gfm&&(t.block=kt.gfm,this.options.breaks?t.inline=$t.breaks:t.inline=$t.gfm),this.tokenizer.rules=t}static get rules(){return{block:kt,inline:$t}}static lex(e,t){return new Ct(t).lex(e)}static lexInline(e,t){return new Ct(t).inlineTokens(e)}lex(e){let t;for(e=e.replace(/\r\n|\r/g,"\n").replace(/\t/g," "),this.blockTokens(e,this.tokens);t=this.inlineQueue.shift();)this.inlineTokens(t.src,t.tokens);return this.tokens}blockTokens(e,t=[]){let n,r,s,i;for(this.options.pedantic&&(e=e.replace(/^ +$/gm,""));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((function(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],i&&"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),i=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){this.inlineQueue.push({src:e,tokens:t})}inlineTokens(e,t=[]){let n,r,s,i,o,a,c=e;if(this.tokens.links){const 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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,_t))e=e.substring(n.raw.length),t.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(e,_t))){if(s=e,this.options.extensions&&this.options.extensions.startInline){let t=1/0;const n=e.slice(1);let 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o=e.length;for(n=0;n<o;n++)if(r=e[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[r.type]&&(s=this.options.extensions.renderers[r.type].call({parser:this},r),!1!==s||!["escape","html","link","image","strong","em","codespan","br","del","text"].includes(r.type)))i+=s||"";else switch(r.type){case"escape":i+=t.text(r.text);break;case"html":i+=t.html(r.text);break;case"link":i+=t.link(r.href,r.title,this.parseInline(r.tokens,t));break;case"image":i+=t.image(r.href,r.title,r.text);break;case"strong":i+=t.strong(this.parseInline(r.tokens,t));break;case"em":i+=t.em(this.parseInline(r.tokens,t));break;case"codespan":i+=t.codespan(r.text);break;case"br":i+=t.br();break;case"del":i+=t.del(this.parseInline(r.tokens,t));break;case"text":i+=t.text(r.text);break;default:{const e='Token with "'+r.type+'" type was not found.';if(this.options.silent)return void console.error(e);throw new Error(e)}}return i}}function Lt(e,t,n){if(null==e)throw new 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Dokuments zum Zeitpunkt der Publikation. Eine Liste der aktuellen
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im <a href="https://www.w3.org/TR/">W3C technical reports index</a> unter
https://www.w3.org/TR/ abgerufen werden.`}}),Pr="https://www.w3.org/2021/Process-20211102/";function Ir(e){return/^[aeiou]/i.test(e)?"an "+e:"a "+e}var Dr=(e,t)=>Ot`
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This document is merely a W3C-internal
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By publishing this document, W3C acknowledges that the
<a href="${e.thisVersion}">Submitting Members</a> have made a formal
Submission request to W3C for discussion. Publication of this document by
W3C indicates no endorsement of its content by W3C, nor that W3C has, is, or
will be allocating any resources to the issues addressed by it. This
document is not the product of a chartered W3C group, but is published as
potential input to the
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<a href="${t}">W3C Team Comment</a> has been published in
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Submissions at the W3C site is one of the benefits of
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W3C Membership</a
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introducing substantive changes and new features since the previous
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<p>
W3C recommends the wide deployment of this specification as a standard for
the Web.
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<p>
A W3C Recommendation is a specification that, after extensive
consensus-building, is endorsed by
<abbr title="World Wide Web Consortium">W3C</abbr> and its Members, and
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This document is maintained and updated at any time. Some parts of this
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Please note that under the
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Learn more about
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>W3C Community and Business Groups</a
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<a href="${n}">${s}@w3.org</a>
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${e.wgPublicList?Ot`
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(<a href="${t.mailToWGPublicListSubscription}">subscribe</a>,
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<p>
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`}};async function Ll(e,t,n){let r;try{const s=await ys;if(!s)throw new Error("`respecConfig.github` is not set");const i=new URL("commits",`${s.apiBase}/${s.fullName}/`);i.searchParams.set("from",e),i.searchParams.set("to",t);const o=await fetch(i.href);if(!o.ok)throw new Error(`Request to ${i} failed with status code ${o.status}`);if(r=await o.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 console.error(e),new Error(t)}return r}const Tl=[Object.freeze({__proto__:null,name:El,element:Al})];var Pl=Object.freeze({__proto__:null,name:"core/custom-elements/index",run:async function(){Tl.forEach(e=>{customElements.define(e.name,e.element)});const e=Tl.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 Il=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:"$respec.org",removeOnSave:!0};switch(typeof e){case"string":t.paymentPointer=e;break;case"object":e.paymentPointer&&(t.paymentPointer=String(e.paymentPointer)),!1===e.removeOnSave&&(t.removeOnSave=!1)}return t}(t),s=n?"removeOnSave":null;document.head.append(Ot`<meta
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You can do one of the following...
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* Either remove the definition or change \`<dfn>\` to another type of HTML element.
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([Learn more](${i}))`,elements:n})}}}}),Tu=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'}),Pu=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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