From b3cb4a37bc0c6513da6fb9286b6f3bf14c76232a Mon Sep 17 00:00:00 2001 From: jaywcjlove Date: Thu, 12 Dec 2024 05:10:39 +0000 Subject: [PATCH] v3.13.9 released v3.13.9 #504 6c0b6a60bdf72e6bb7b38345618c561db25c9382 --- asset-manifest.json | 6 +++--- index.html | 2 +- static/js/{main.89ca66c0.js => main.2828df86.js} | 6 +++--- ...89ca66c0.js.LICENSE.txt => main.2828df86.js.LICENSE.txt} | 0 static/js/{main.89ca66c0.js.map => main.2828df86.js.map} | 2 +- 5 files changed, 8 insertions(+), 8 deletions(-) rename static/js/{main.89ca66c0.js => main.2828df86.js} (99%) rename static/js/{main.89ca66c0.js.LICENSE.txt => main.2828df86.js.LICENSE.txt} (100%) rename static/js/{main.89ca66c0.js.map => main.2828df86.js.map} (99%) diff --git a/asset-manifest.json b/asset-manifest.json index ea5d2d3e..e0d242d6 100644 --- a/asset-manifest.json +++ b/asset-manifest.json @@ -1,13 +1,13 @@ { "files": { "main.css": "/hotkeys-js/static/css/main.11d6d5f7.css", - "main.js": "/hotkeys-js/static/js/main.89ca66c0.js", + "main.js": "/hotkeys-js/static/js/main.2828df86.js", "refractor-vendor.js": "/hotkeys-js/static/js/refractor-vendor.23f3382b.js", "react-vendor.js": "/hotkeys-js/static/js/react-vendor.75ceee41.js", "static/media/bg.jpg": "/hotkeys-js/static/media/bg.c118c911b775de37ecf2.jpg", "index.html": "/hotkeys-js/index.html", "main.11d6d5f7.css.map": "/hotkeys-js/static/css/main.11d6d5f7.css.map", - "main.89ca66c0.js.map": "/hotkeys-js/static/js/main.89ca66c0.js.map", + "main.2828df86.js.map": "/hotkeys-js/static/js/main.2828df86.js.map", "refractor-vendor.23f3382b.js.map": "/hotkeys-js/static/js/refractor-vendor.23f3382b.js.map", "react-vendor.75ceee41.js.map": "/hotkeys-js/static/js/react-vendor.75ceee41.js.map" }, @@ -15,6 +15,6 @@ "static/js/refractor-vendor.23f3382b.js", "static/js/react-vendor.75ceee41.js", "static/css/main.11d6d5f7.css", - "static/js/main.89ca66c0.js" + "static/js/main.2828df86.js" ] } \ No newline at end of file diff --git a/index.html b/index.html index 542b43d2..b1b11513 100644 --- a/index.html +++ b/index.html @@ -1 +1 @@ -hotkeys.js - A robust Javascript library for capturing keyboard input.
\ No newline at end of file +hotkeys.js - A robust Javascript library for capturing keyboard input.
\ No newline at end of file diff --git a/static/js/main.89ca66c0.js b/static/js/main.2828df86.js similarity index 99% rename from static/js/main.89ca66c0.js rename to static/js/main.2828df86.js index d37a4b17..70cdb8d9 100644 --- a/static/js/main.89ca66c0.js +++ b/static/js/main.2828df86.js @@ -1,3 +1,3 @@ -/*! 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Uint16Array("\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022".split("").map((e=>e.charCodeAt(0))));var Du;const hu=new Map([[0,65533],[128,8364],[130,8218],[131,402],[132,8222],[133,8230],[134,8224],[135,8225],[136,710],[137,8240],[138,352],[139,8249],[140,338],[142,381],[145,8216],[146,8217],[147,8220],[148,8221],[149,8226],[150,8211],[151,8212],[152,732],[153,8482],[154,353],[155,8250],[156,339],[158,382],[159,376]]),pu=null!==(Du=String.fromCodePoint)&&void 0!==Du?Du:function(e){let t="";return e>65535&&(e-=65536,t+=String.fromCharCode(e>>>10&1023|55296),e=56320|1023&e),t+=String.fromCharCode(e),t};function Eu(e){var t;return e>=55296&&e<=57343||e>1114111?65533:null!==(t=hu.get(e))&&void 0!==t?t:e}var du;!function(e){e[e.NUM=35]="NUM",e[e.SEMI=59]="SEMI",e[e.EQUALS=61]="EQUALS",e[e.ZERO=48]="ZERO",e[e.NINE=57]="NINE",e[e.LOWER_A=97]="LOWER_A",e[e.LOWER_F=102]="LOWER_F",e[e.LOWER_X=120]="LOWER_X",e[e.LOWER_Z=122]="LOWER_Z",e[e.UPPER_A=65]="UPPER_A",e[e.UPPER_F=70]="UPPER_F",e[e.UPPER_Z=90]="UPPER_Z"}(du||(du={}));var fu,mu,Au;function Fu(e){return e>=du.ZERO&&e<=du.NINE}function Cu(e){return e>=du.UPPER_A&&e<=du.UPPER_F||e>=du.LOWER_A&&e<=du.LOWER_F}function gu(e){return e===du.EQUALS||function(e){return e>=du.UPPER_A&&e<=du.UPPER_Z||e>=du.LOWER_A&&e<=du.LOWER_Z||Fu(e)}(e)}!function(e){e[e.VALUE_LENGTH=49152]="VALUE_LENGTH",e[e.BRANCH_LENGTH=16256]="BRANCH_LENGTH",e[e.JUMP_TABLE=127]="JUMP_TABLE"}(fu||(fu={})),function(e){e[e.EntityStart=0]="EntityStart",e[e.NumericStart=1]="NumericStart",e[e.NumericDecimal=2]="NumericDecimal",e[e.NumericHex=3]="NumericHex",e[e.NamedEntity=4]="NamedEntity"}(mu||(mu={})),function(e){e[e.Legacy=0]="Legacy",e[e.Strict=1]="Strict",e[e.Attribute=2]="Attribute"}(Au||(Au={}));class Tu{constructor(e,t,n){this.decodeTree=e,this.emitCodePoint=t,this.errors=n,this.state=mu.EntityStart,this.consumed=1,this.result=0,this.treeIndex=0,this.excess=1,this.decodeMode=Au.Strict}startEntity(e){this.decodeMode=e,this.state=mu.EntityStart,this.result=0,this.treeIndex=0,this.excess=1,this.consumed=1}write(e,t){switch(this.state){case mu.EntityStart:return e.charCodeAt(t)===du.NUM?(this.state=mu.NumericStart,this.consumed+=1,this.stateNumericStart(e,t+1)):(this.state=mu.NamedEntity,this.stateNamedEntity(e,t));case mu.NumericStart:return this.stateNumericStart(e,t);case mu.NumericDecimal:return this.stateNumericDecimal(e,t);case mu.NumericHex:return this.stateNumericHex(e,t);case mu.NamedEntity:return this.stateNamedEntity(e,t)}}stateNumericStart(e,t){return t>=e.length?-1:(32|e.charCodeAt(t))===du.LOWER_X?(this.state=mu.NumericHex,this.consumed+=1,this.stateNumericHex(e,t+1)):(this.state=mu.NumericDecimal,this.stateNumericDecimal(e,t))}addToNumericResult(e,t,n,u){if(t!==n){const r=n-t;this.result=this.result*Math.pow(u,r)+parseInt(e.substr(t,r),u),this.consumed+=r}}stateNumericHex(e,t){const n=t;for(;t>14;for(;t>14,0!==r){if(o===du.SEMI)return this.emitNamedEntityData(this.treeIndex,r,this.consumed+this.excess);this.decodeMode!==Au.Strict&&(this.result=this.treeIndex,this.consumed+=this.excess,this.excess=0)}}return-1}emitNotTerminatedNamedEntity(){var e;const{result:t,decodeTree:n}=this,u=(n[t]&fu.VALUE_LENGTH)>>14;return this.emitNamedEntityData(t,u,this.consumed),null===(e=this.errors)||void 0===e||e.missingSemicolonAfterCharacterReference(),this.consumed}emitNamedEntityData(e,t,n){const{decodeTree:u}=this;return this.emitCodePoint(1===t?u[e]&~fu.VALUE_LENGTH:u[e+1],n),3===t&&this.emitCodePoint(u[e+2],n),n}end(){var e;switch(this.state){case mu.NamedEntity:return 0===this.result||this.decodeMode===Au.Attribute&&this.result!==this.treeIndex?0:this.emitNotTerminatedNamedEntity();case mu.NumericDecimal:return this.emitNumericEntity(0,2);case mu.NumericHex:return this.emitNumericEntity(0,3);case mu.NumericStart:return null===(e=this.errors)||void 0===e||e.absenceOfDigitsInNumericCharacterReference(this.consumed),0;case mu.EntityStart:return 0}}}function _u(e){let t="";const n=new Tu(e,(e=>t+=pu(e)));return function(e,u){let r=0,o=0;for(;(o=e.indexOf("&",o))>=0;){t+=e.slice(r,o),n.startEntity(u);const i=n.write(e,o+1);if(i<0){r=o+n.end();break}r=o+i,o=0===i?r+1:r}const i=t+e.slice(r);return t="",i}}function yu(e,t,n,u){const r=(t&fu.BRANCH_LENGTH)>>7,o=t&fu.JUMP_TABLE;if(0===r)return 0!==o&&u===o?n:-1;if(o){const t=u-o;return t<0||t>=r?-1:e[n+t]-1}let i=n,s=i+r-1;for(;i<=s;){const t=i+s>>>1,n=e[t];if(nu))return e[t+r];s=t-1}}return-1}_u(cu),_u(lu);var 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Pu={DATA:xu.DATA,RCDATA:xu.RCDATA,RAWTEXT:xu.RAWTEXT,SCRIPT_DATA:xu.SCRIPT_DATA,PLAINTEXT:xu.PLAINTEXT,CDATA_SECTION:xu.CDATA_SECTION};function wu(e){return e>=Qn.LATIN_CAPITAL_A&&e<=Qn.LATIN_CAPITAL_Z}function Mu(e){return function(e){return e>=Qn.LATIN_SMALL_A&&e<=Qn.LATIN_SMALL_Z}(e)||wu(e)}function Hu(e){return Mu(e)||function(e){return e>=Qn.DIGIT_0&&e<=Qn.DIGIT_9}(e)}function Uu(e){return e+32}function Gu(e){return e===Qn.SPACE||e===Qn.LINE_FEED||e===Qn.TABULATION||e===Qn.FORM_FEED}function ju(e){return Gu(e)||e===Qn.SOLIDUS||e===Qn.GREATER_THAN_SIGN}class Yu{constructor(e,t){this.options=e,this.handler=t,this.paused=!1,this.inLoop=!1,this.inForeignNode=!1,this.lastStartTagName="",this.active=!1,this.state=xu.DATA,this.returnState=xu.DATA,this.entityStartPos=0,this.consumedAfterSnapshot=-1,this.currentCharacterToken=null,this.currentToken=null,this.currentAttr={name:"",value:""},this.preprocessor=new iu(t),this.currentLocation=this.getCurrentLocation(-1),this.entityDecoder=new Tu(cu,((e,t)=>{this.preprocessor.pos=this.entityStartPos+t-1,this._flushCodePointConsumedAsCharacterReference(e)}),t.onParseError?{missingSemicolonAfterCharacterReference:()=>{this._err(ou.missingSemicolonAfterCharacterReference,1)},absenceOfDigitsInNumericCharacterReference:e=>{this._err(ou.absenceOfDigitsInNumericCharacterReference,this.entityStartPos-this.preprocessor.pos+e)},validateNumericCharacterReference:e=>{const t=function(e){return e===Qn.NULL?ou.nullCharacterReference:e>1114111?ou.characterReferenceOutsideUnicodeRange:nu(e)?ou.surrogateCharacterReference:ru(e)?ou.noncharacterCharacterReference:uu(e)||e===Qn.CARRIAGE_RETURN?ou.controlCharacterReference:null}(e);t&&this._err(t,1)}}:void 0)}_err(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;var n,u;null===(u=(n=this.handler).onParseError)||void 0===u||u.call(n,this.preprocessor.getError(e,t))}getCurrentLocation(e){return this.options.sourceCodeLocationInfo?{startLine:this.preprocessor.line,startCol:this.preprocessor.col-e,startOffset:this.preprocessor.offset-e,endLine:-1,endCol:-1,endOffset:-1}:null}_runParsingLoop(){if(!this.inLoop){for(this.inLoop=!0;this.active&&!this.paused;){this.consumedAfterSnapshot=0;const e=this._consume();this._ensureHibernation()||this._callState(e)}this.inLoop=!1}}pause(){this.paused=!0}resume(e){if(!this.paused)throw new Error("Parser was already resumed");this.paused=!1,this.inLoop||(this._runParsingLoop(),this.paused||null===e||void 0===e||e())}write(e,t,n){this.active=!0,this.preprocessor.write(e,t),this._runParsingLoop(),this.paused||null===n||void 0===n||n()}insertHtmlAtCurrentPos(e){this.active=!0,this.preprocessor.insertHtmlAtCurrentPos(e),this._runParsingLoop()}_ensureHibernation(){return!!this.preprocessor.endOfChunkHit&&(this.preprocessor.retreat(this.consumedAfterSnapshot),this.consumedAfterSnapshot=0,this.active=!1,!0)}_consume(){return this.consumedAfterSnapshot++,this.preprocessor.advance()}_advanceBy(e){this.consumedAfterSnapshot+=e;for(let t=0;t0&&this._err(ou.endTagWithAttributes),e.selfClosing&&this._err(ou.endTagWithTrailingSolidus),this.handler.onEndTag(e)),this.preprocessor.dropParsedChunk()}emitCurrentComment(e){this.prepareToken(e),this.handler.onComment(e),this.preprocessor.dropParsedChunk()}emitCurrentDoctype(e){this.prepareToken(e),this.handler.onDoctype(e),this.preprocessor.dropParsedChunk()}_emitCurrentCharacterToken(e){if(this.currentCharacterToken){switch(e&&this.currentCharacterToken.location&&(this.currentCharacterToken.location.endLine=e.startLine,this.currentCharacterToken.location.endCol=e.startCol,this.currentCharacterToken.location.endOffset=e.startOffset),this.currentCharacterToken.type){case su.CHARACTER:this.handler.onCharacter(this.currentCharacterToken);break;case su.NULL_CHARACTER:this.handler.onNullCharacter(this.currentCharacterToken);break;case su.WHITESPACE_CHARACTER:this.handler.onWhitespaceCharacter(this.currentCharacterToken)}this.currentCharacterToken=null}}_emitEOFToken(){const e=this.getCurrentLocation(0);e&&(e.endLine=e.startLine,e.endCol=e.startCol,e.endOffset=e.startOffset),this._emitCurrentCharacterToken(e),this.handler.onEof({type:su.EOF,location:e}),this.active=!1}_appendCharToCurrentCharacterToken(e,t){if(this.currentCharacterToken){if(this.currentCharacterToken.type===e)return void(this.currentCharacterToken.chars+=t);this.currentLocation=this.getCurrentLocation(0),this._emitCurrentCharacterToken(this.currentLocation),this.preprocessor.dropParsedChunk()}this._createCharacterToken(e,t)}_emitCodePoint(e){const t=Gu(e)?su.WHITESPACE_CHARACTER:e===Qn.NULL?su.NULL_CHARACTER:su.CHARACTER;this._appendCharToCurrentCharacterToken(t,String.fromCodePoint(e))}_emitChars(e){this._appendCharToCurrentCharacterToken(su.CHARACTER,e)}_startCharacterReference(){this.returnState=this.state,this.state=xu.CHARACTER_REFERENCE,this.entityStartPos=this.preprocessor.pos,this.entityDecoder.startEntity(this._isCharacterReferenceInAttribute()?Au.Attribute:Au.Legacy)}_isCharacterReferenceInAttribute(){return this.returnState===xu.ATTRIBUTE_VALUE_DOUBLE_QUOTED||this.returnState===xu.ATTRIBUTE_VALUE_SINGLE_QUOTED||this.returnState===xu.ATTRIBUTE_VALUE_UNQUOTED}_flushCodePointConsumedAsCharacterReference(e){this._isCharacterReferenceInAttribute()?this.currentAttr.value+=String.fromCodePoint(e):this._emitCodePoint(e)}_callState(e){switch(this.state){case xu.DATA:this._stateData(e);break;case xu.RCDATA:this._stateRcdata(e);break;case xu.RAWTEXT:this._stateRawtext(e);break;case xu.SCRIPT_DATA:this._stateScriptData(e);break;case xu.PLAINTEXT:this._statePlaintext(e);break;case xu.TAG_OPEN:this._stateTagOpen(e);break;case xu.END_TAG_OPEN:this._stateEndTagOpen(e);break;case xu.TAG_NAME:this._stateTagName(e);break;case xu.RCDATA_LESS_THAN_SIGN:this._stateRcdataLessThanSign(e);break;case xu.RCDATA_END_TAG_OPEN:this._stateRcdataEndTagOpen(e);break;case xu.RCDATA_END_TAG_NAME:this._stateRcdataEndTagName(e);break;case xu.RAWTEXT_LESS_THAN_SIGN:this._stateRawtextLessThanSign(e);break;case xu.RAWTEXT_END_TAG_OPEN:this._stateRawtextEndTagOpen(e);break;case xu.RAWTEXT_END_TAG_NAME:this._stateRawtextEndTagName(e);break;case xu.SCRIPT_DATA_LESS_THAN_SIGN:this._stateScriptDataLessThanSign(e);break;case xu.SCRIPT_DATA_END_TAG_OPEN:this._stateScriptDataEndTagOpen(e);break;case xu.SCRIPT_DATA_END_TAG_NAME:this._stateScriptDataEndTagName(e);break;case xu.SCRIPT_DATA_ESCAPE_START:this._stateScriptDataEscapeStart(e);break;case xu.SCRIPT_DATA_ESCAPE_START_DASH:this._stateScriptDataEscapeStartDash(e);break;case xu.SCRIPT_DATA_ESCAPED:this._stateScriptDataEscaped(e);break;case xu.SCRIPT_DATA_ESCAPED_DASH:this._stateScriptDataEscapedDash(e);break;case xu.SCRIPT_DATA_ESCAPED_DASH_DASH:this._stateScriptDataEscapedDashDash(e);break;case xu.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN:this._stateScriptDataEscapedLessThanSign(e);break;case xu.SCRIPT_DATA_ESCAPED_END_TAG_OPEN:this._stateScriptDataEscapedEndTagOpen(e);break;case xu.SCRIPT_DATA_ESCAPED_END_TAG_NAME:this._stateScriptDataEscapedEndTagName(e);break;case xu.SCRIPT_DATA_DOUBLE_ESCAPE_START:this._stateScriptDataDoubleEscapeStart(e);break;case xu.SCRIPT_DATA_DOUBLE_ESCAPED:this._stateScriptDataDoubleEscaped(e);break;case xu.SCRIPT_DATA_DOUBLE_ESCAPED_DASH:this._stateScriptDataDoubleEscapedDash(e);break;case xu.SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH:this._stateScriptDataDoubleEscapedDashDash(e);break;case xu.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN:this._stateScriptDataDoubleEscapedLessThanSign(e);break;case xu.SCRIPT_DATA_DOUBLE_ESCAPE_END:this._stateScriptDataDoubleEscapeEnd(e);break;case xu.BEFORE_ATTRIBUTE_NAME:this._stateBeforeAttributeName(e);break;case xu.ATTRIBUTE_NAME:this._stateAttributeName(e);break;case xu.AFTER_ATTRIBUTE_NAME:this._stateAfterAttributeName(e);break;case xu.BEFORE_ATTRIBUTE_VALUE:this._stateBeforeAttributeValue(e);break;case xu.ATTRIBUTE_VALUE_DOUBLE_QUOTED:this._stateAttributeValueDoubleQuoted(e);break;case xu.ATTRIBUTE_VALUE_SINGLE_QUOTED:this._stateAttributeValueSingleQuoted(e);break;case xu.ATTRIBUTE_VALUE_UNQUOTED:this._stateAttributeValueUnquoted(e);break;case xu.AFTER_ATTRIBUTE_VALUE_QUOTED:this._stateAfterAttributeValueQuoted(e);break;case xu.SELF_CLOSING_START_TAG:this._stateSelfClosingStartTag(e);break;case xu.BOGUS_COMMENT:this._stateBogusComment(e);break;case xu.MARKUP_DECLARATION_OPEN:this._stateMarkupDeclarationOpen(e);break;case xu.COMMENT_START:this._stateCommentStart(e);break;case xu.COMMENT_START_DASH:this._stateCommentStartDash(e);break;case xu.COMMENT:this._stateComment(e);break;case xu.COMMENT_LESS_THAN_SIGN:this._stateCommentLessThanSign(e);break;case xu.COMMENT_LESS_THAN_SIGN_BANG:this._stateCommentLessThanSignBang(e);break;case xu.COMMENT_LESS_THAN_SIGN_BANG_DASH:this._stateCommentLessThanSignBangDash(e);break;case xu.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH:this._stateCommentLessThanSignBangDashDash(e);break;case xu.COMMENT_END_DASH:this._stateCommentEndDash(e);break;case xu.COMMENT_END:this._stateCommentEnd(e);break;case xu.COMMENT_END_BANG:this._stateCommentEndBang(e);break;case xu.DOCTYPE:this._stateDoctype(e);break;case xu.BEFORE_DOCTYPE_NAME:this._stateBeforeDoctypeName(e);break;case xu.DOCTYPE_NAME:this._stateDoctypeName(e);break;case xu.AFTER_DOCTYPE_NAME:this._stateAfterDoctypeName(e);break;case xu.AFTER_DOCTYPE_PUBLIC_KEYWORD:this._stateAfterDoctypePublicKeyword(e);break;case xu.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER:this._stateBeforeDoctypePublicIdentifier(e);break;case xu.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED:this._stateDoctypePublicIdentifierDoubleQuoted(e);break;case xu.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED:this._stateDoctypePublicIdentifierSingleQuoted(e);break;case xu.AFTER_DOCTYPE_PUBLIC_IDENTIFIER:this._stateAfterDoctypePublicIdentifier(e);break;case xu.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS:this._stateBetweenDoctypePublicAndSystemIdentifiers(e);break;case xu.AFTER_DOCTYPE_SYSTEM_KEYWORD:this._stateAfterDoctypeSystemKeyword(e);break;case xu.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER:this._stateBeforeDoctypeSystemIdentifier(e);break;case xu.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED:this._stateDoctypeSystemIdentifierDoubleQuoted(e);break;case xu.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED:this._stateDoctypeSystemIdentifierSingleQuoted(e);break;case xu.AFTER_DOCTYPE_SYSTEM_IDENTIFIER:this._stateAfterDoctypeSystemIdentifier(e);break;case xu.BOGUS_DOCTYPE:this._stateBogusDoctype(e);break;case xu.CDATA_SECTION:this._stateCdataSection(e);break;case xu.CDATA_SECTION_BRACKET:this._stateCdataSectionBracket(e);break;case xu.CDATA_SECTION_END:this._stateCdataSectionEnd(e);break;case xu.CHARACTER_REFERENCE:this._stateCharacterReference();break;case xu.AMBIGUOUS_AMPERSAND:this._stateAmbiguousAmpersand(e);break;default:throw new Error("Unknown state")}}_stateData(e){switch(e){case Qn.LESS_THAN_SIGN:this.state=xu.TAG_OPEN;break;case Qn.AMPERSAND:this._startCharacterReference();break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this._emitCodePoint(e);break;case Qn.EOF:this._emitEOFToken();break;default:this._emitCodePoint(e)}}_stateRcdata(e){switch(e){case Qn.AMPERSAND:this._startCharacterReference();break;case Qn.LESS_THAN_SIGN:this.state=xu.RCDATA_LESS_THAN_SIGN;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this._emitChars(Vn);break;case Qn.EOF:this._emitEOFToken();break;default:this._emitCodePoint(e)}}_stateRawtext(e){switch(e){case Qn.LESS_THAN_SIGN:this.state=xu.RAWTEXT_LESS_THAN_SIGN;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this._emitChars(Vn);break;case Qn.EOF:this._emitEOFToken();break;default:this._emitCodePoint(e)}}_stateScriptData(e){switch(e){case Qn.LESS_THAN_SIGN:this.state=xu.SCRIPT_DATA_LESS_THAN_SIGN;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this._emitChars(Vn);break;case Qn.EOF:this._emitEOFToken();break;default:this._emitCodePoint(e)}}_statePlaintext(e){switch(e){case Qn.NULL:this._err(ou.unexpectedNullCharacter),this._emitChars(Vn);break;case Qn.EOF:this._emitEOFToken();break;default:this._emitCodePoint(e)}}_stateTagOpen(e){if(Mu(e))this._createStartTagToken(),this.state=xu.TAG_NAME,this._stateTagName(e);else switch(e){case Qn.EXCLAMATION_MARK:this.state=xu.MARKUP_DECLARATION_OPEN;break;case Qn.SOLIDUS:this.state=xu.END_TAG_OPEN;break;case Qn.QUESTION_MARK:this._err(ou.unexpectedQuestionMarkInsteadOfTagName),this._createCommentToken(1),this.state=xu.BOGUS_COMMENT,this._stateBogusComment(e);break;case Qn.EOF:this._err(ou.eofBeforeTagName),this._emitChars("<"),this._emitEOFToken();break;default:this._err(ou.invalidFirstCharacterOfTagName),this._emitChars("<"),this.state=xu.DATA,this._stateData(e)}}_stateEndTagOpen(e){if(Mu(e))this._createEndTagToken(),this.state=xu.TAG_NAME,this._stateTagName(e);else switch(e){case Qn.GREATER_THAN_SIGN:this._err(ou.missingEndTagName),this.state=xu.DATA;break;case Qn.EOF:this._err(ou.eofBeforeTagName),this._emitChars("");break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this.state=xu.SCRIPT_DATA_ESCAPED,this._emitChars(Vn);break;case Qn.EOF:this._err(ou.eofInScriptHtmlCommentLikeText),this._emitEOFToken();break;default:this.state=xu.SCRIPT_DATA_ESCAPED,this._emitCodePoint(e)}}_stateScriptDataEscapedLessThanSign(e){e===Qn.SOLIDUS?this.state=xu.SCRIPT_DATA_ESCAPED_END_TAG_OPEN:Mu(e)?(this._emitChars("<"),this.state=xu.SCRIPT_DATA_DOUBLE_ESCAPE_START,this._stateScriptDataDoubleEscapeStart(e)):(this._emitChars("<"),this.state=xu.SCRIPT_DATA_ESCAPED,this._stateScriptDataEscaped(e))}_stateScriptDataEscapedEndTagOpen(e){Mu(e)?(this.state=xu.SCRIPT_DATA_ESCAPED_END_TAG_NAME,this._stateScriptDataEscapedEndTagName(e)):(this._emitChars("");break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this.state=xu.SCRIPT_DATA_DOUBLE_ESCAPED,this._emitChars(Vn);break;case Qn.EOF:this._err(ou.eofInScriptHtmlCommentLikeText),this._emitEOFToken();break;default:this.state=xu.SCRIPT_DATA_DOUBLE_ESCAPED,this._emitCodePoint(e)}}_stateScriptDataDoubleEscapedLessThanSign(e){e===Qn.SOLIDUS?(this.state=xu.SCRIPT_DATA_DOUBLE_ESCAPE_END,this._emitChars("/")):(this.state=xu.SCRIPT_DATA_DOUBLE_ESCAPED,this._stateScriptDataDoubleEscaped(e))}_stateScriptDataDoubleEscapeEnd(e){if(this.preprocessor.startsWith($n,!1)&&ju(this.preprocessor.peek($n.length))){this._emitCodePoint(e);for(let e=0;e<$n.length;e++)this._emitCodePoint(this._consume());this.state=xu.SCRIPT_DATA_ESCAPED}else this._ensureHibernation()||(this.state=xu.SCRIPT_DATA_DOUBLE_ESCAPED,this._stateScriptDataDoubleEscaped(e))}_stateBeforeAttributeName(e){switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.SOLIDUS:case Qn.GREATER_THAN_SIGN:case Qn.EOF:this.state=xu.AFTER_ATTRIBUTE_NAME,this._stateAfterAttributeName(e);break;case Qn.EQUALS_SIGN:this._err(ou.unexpectedEqualsSignBeforeAttributeName),this._createAttr("="),this.state=xu.ATTRIBUTE_NAME;break;default:this._createAttr(""),this.state=xu.ATTRIBUTE_NAME,this._stateAttributeName(e)}}_stateAttributeName(e){switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:case Qn.SOLIDUS:case Qn.GREATER_THAN_SIGN:case Qn.EOF:this._leaveAttrName(),this.state=xu.AFTER_ATTRIBUTE_NAME,this._stateAfterAttributeName(e);break;case Qn.EQUALS_SIGN:this._leaveAttrName(),this.state=xu.BEFORE_ATTRIBUTE_VALUE;break;case Qn.QUOTATION_MARK:case Qn.APOSTROPHE:case Qn.LESS_THAN_SIGN:this._err(ou.unexpectedCharacterInAttributeName),this.currentAttr.name+=String.fromCodePoint(e);break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this.currentAttr.name+=Vn;break;default:this.currentAttr.name+=String.fromCodePoint(wu(e)?Uu(e):e)}}_stateAfterAttributeName(e){switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.SOLIDUS:this.state=xu.SELF_CLOSING_START_TAG;break;case Qn.EQUALS_SIGN:this.state=xu.BEFORE_ATTRIBUTE_VALUE;break;case Qn.GREATER_THAN_SIGN:this.state=xu.DATA,this.emitCurrentTagToken();break;case Qn.EOF:this._err(ou.eofInTag),this._emitEOFToken();break;default:this._createAttr(""),this.state=xu.ATTRIBUTE_NAME,this._stateAttributeName(e)}}_stateBeforeAttributeValue(e){switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.QUOTATION_MARK:this.state=xu.ATTRIBUTE_VALUE_DOUBLE_QUOTED;break;case Qn.APOSTROPHE:this.state=xu.ATTRIBUTE_VALUE_SINGLE_QUOTED;break;case Qn.GREATER_THAN_SIGN:this._err(ou.missingAttributeValue),this.state=xu.DATA,this.emitCurrentTagToken();break;default:this.state=xu.ATTRIBUTE_VALUE_UNQUOTED,this._stateAttributeValueUnquoted(e)}}_stateAttributeValueDoubleQuoted(e){switch(e){case Qn.QUOTATION_MARK:this.state=xu.AFTER_ATTRIBUTE_VALUE_QUOTED;break;case Qn.AMPERSAND:this._startCharacterReference();break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this.currentAttr.value+=Vn;break;case Qn.EOF:this._err(ou.eofInTag),this._emitEOFToken();break;default:this.currentAttr.value+=String.fromCodePoint(e)}}_stateAttributeValueSingleQuoted(e){switch(e){case Qn.APOSTROPHE:this.state=xu.AFTER_ATTRIBUTE_VALUE_QUOTED;break;case Qn.AMPERSAND:this._startCharacterReference();break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this.currentAttr.value+=Vn;break;case Qn.EOF:this._err(ou.eofInTag),this._emitEOFToken();break;default:this.currentAttr.value+=String.fromCodePoint(e)}}_stateAttributeValueUnquoted(e){switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:this._leaveAttrValue(),this.state=xu.BEFORE_ATTRIBUTE_NAME;break;case Qn.AMPERSAND:this._startCharacterReference();break;case Qn.GREATER_THAN_SIGN:this._leaveAttrValue(),this.state=xu.DATA,this.emitCurrentTagToken();break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this.currentAttr.value+=Vn;break;case Qn.QUOTATION_MARK:case Qn.APOSTROPHE:case Qn.LESS_THAN_SIGN:case Qn.EQUALS_SIGN:case Qn.GRAVE_ACCENT:this._err(ou.unexpectedCharacterInUnquotedAttributeValue),this.currentAttr.value+=String.fromCodePoint(e);break;case Qn.EOF:this._err(ou.eofInTag),this._emitEOFToken();break;default:this.currentAttr.value+=String.fromCodePoint(e)}}_stateAfterAttributeValueQuoted(e){switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:this._leaveAttrValue(),this.state=xu.BEFORE_ATTRIBUTE_NAME;break;case Qn.SOLIDUS:this._leaveAttrValue(),this.state=xu.SELF_CLOSING_START_TAG;break;case Qn.GREATER_THAN_SIGN:this._leaveAttrValue(),this.state=xu.DATA,this.emitCurrentTagToken();break;case Qn.EOF:this._err(ou.eofInTag),this._emitEOFToken();break;default:this._err(ou.missingWhitespaceBetweenAttributes),this.state=xu.BEFORE_ATTRIBUTE_NAME,this._stateBeforeAttributeName(e)}}_stateSelfClosingStartTag(e){switch(e){case Qn.GREATER_THAN_SIGN:this.currentToken.selfClosing=!0,this.state=xu.DATA,this.emitCurrentTagToken();break;case Qn.EOF:this._err(ou.eofInTag),this._emitEOFToken();break;default:this._err(ou.unexpectedSolidusInTag),this.state=xu.BEFORE_ATTRIBUTE_NAME,this._stateBeforeAttributeName(e)}}_stateBogusComment(e){const t=this.currentToken;switch(e){case Qn.GREATER_THAN_SIGN:this.state=xu.DATA,this.emitCurrentComment(t);break;case Qn.EOF:this.emitCurrentComment(t),this._emitEOFToken();break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),t.data+=Vn;break;default:t.data+=String.fromCodePoint(e)}}_stateMarkupDeclarationOpen(e){this._consumeSequenceIfMatch(Xn,!0)?(this._createCommentToken(Xn.length+1),this.state=xu.COMMENT_START):this._consumeSequenceIfMatch(Jn,!1)?(this.currentLocation=this.getCurrentLocation(Jn.length+1),this.state=xu.DOCTYPE):this._consumeSequenceIfMatch(Zn,!0)?this.inForeignNode?this.state=xu.CDATA_SECTION:(this._err(ou.cdataInHtmlContent),this._createCommentToken(Zn.length+1),this.currentToken.data="[CDATA[",this.state=xu.BOGUS_COMMENT):this._ensureHibernation()||(this._err(ou.incorrectlyOpenedComment),this._createCommentToken(2),this.state=xu.BOGUS_COMMENT,this._stateBogusComment(e))}_stateCommentStart(e){switch(e){case Qn.HYPHEN_MINUS:this.state=xu.COMMENT_START_DASH;break;case Qn.GREATER_THAN_SIGN:{this._err(ou.abruptClosingOfEmptyComment),this.state=xu.DATA;const e=this.currentToken;this.emitCurrentComment(e);break}default:this.state=xu.COMMENT,this._stateComment(e)}}_stateCommentStartDash(e){const t=this.currentToken;switch(e){case Qn.HYPHEN_MINUS:this.state=xu.COMMENT_END;break;case Qn.GREATER_THAN_SIGN:this._err(ou.abruptClosingOfEmptyComment),this.state=xu.DATA,this.emitCurrentComment(t);break;case Qn.EOF:this._err(ou.eofInComment),this.emitCurrentComment(t),this._emitEOFToken();break;default:t.data+="-",this.state=xu.COMMENT,this._stateComment(e)}}_stateComment(e){const t=this.currentToken;switch(e){case Qn.HYPHEN_MINUS:this.state=xu.COMMENT_END_DASH;break;case Qn.LESS_THAN_SIGN:t.data+="<",this.state=xu.COMMENT_LESS_THAN_SIGN;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),t.data+=Vn;break;case Qn.EOF:this._err(ou.eofInComment),this.emitCurrentComment(t),this._emitEOFToken();break;default:t.data+=String.fromCodePoint(e)}}_stateCommentLessThanSign(e){const t=this.currentToken;switch(e){case Qn.EXCLAMATION_MARK:t.data+="!",this.state=xu.COMMENT_LESS_THAN_SIGN_BANG;break;case Qn.LESS_THAN_SIGN:t.data+="<";break;default:this.state=xu.COMMENT,this._stateComment(e)}}_stateCommentLessThanSignBang(e){e===Qn.HYPHEN_MINUS?this.state=xu.COMMENT_LESS_THAN_SIGN_BANG_DASH:(this.state=xu.COMMENT,this._stateComment(e))}_stateCommentLessThanSignBangDash(e){e===Qn.HYPHEN_MINUS?this.state=xu.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH:(this.state=xu.COMMENT_END_DASH,this._stateCommentEndDash(e))}_stateCommentLessThanSignBangDashDash(e){e!==Qn.GREATER_THAN_SIGN&&e!==Qn.EOF&&this._err(ou.nestedComment),this.state=xu.COMMENT_END,this._stateCommentEnd(e)}_stateCommentEndDash(e){const t=this.currentToken;switch(e){case Qn.HYPHEN_MINUS:this.state=xu.COMMENT_END;break;case Qn.EOF:this._err(ou.eofInComment),this.emitCurrentComment(t),this._emitEOFToken();break;default:t.data+="-",this.state=xu.COMMENT,this._stateComment(e)}}_stateCommentEnd(e){const t=this.currentToken;switch(e){case Qn.GREATER_THAN_SIGN:this.state=xu.DATA,this.emitCurrentComment(t);break;case Qn.EXCLAMATION_MARK:this.state=xu.COMMENT_END_BANG;break;case Qn.HYPHEN_MINUS:t.data+="-";break;case Qn.EOF:this._err(ou.eofInComment),this.emitCurrentComment(t),this._emitEOFToken();break;default:t.data+="--",this.state=xu.COMMENT,this._stateComment(e)}}_stateCommentEndBang(e){const t=this.currentToken;switch(e){case Qn.HYPHEN_MINUS:t.data+="--!",this.state=xu.COMMENT_END_DASH;break;case Qn.GREATER_THAN_SIGN:this._err(ou.incorrectlyClosedComment),this.state=xu.DATA,this.emitCurrentComment(t);break;case Qn.EOF:this._err(ou.eofInComment),this.emitCurrentComment(t),this._emitEOFToken();break;default:t.data+="--!",this.state=xu.COMMENT,this._stateComment(e)}}_stateDoctype(e){switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:this.state=xu.BEFORE_DOCTYPE_NAME;break;case Qn.GREATER_THAN_SIGN:this.state=xu.BEFORE_DOCTYPE_NAME,this._stateBeforeDoctypeName(e);break;case Qn.EOF:{this._err(ou.eofInDoctype),this._createDoctypeToken(null);const e=this.currentToken;e.forceQuirks=!0,this.emitCurrentDoctype(e),this._emitEOFToken();break}default:this._err(ou.missingWhitespaceBeforeDoctypeName),this.state=xu.BEFORE_DOCTYPE_NAME,this._stateBeforeDoctypeName(e)}}_stateBeforeDoctypeName(e){if(wu(e))this._createDoctypeToken(String.fromCharCode(Uu(e))),this.state=xu.DOCTYPE_NAME;else switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),this._createDoctypeToken(Vn),this.state=xu.DOCTYPE_NAME;break;case Qn.GREATER_THAN_SIGN:{this._err(ou.missingDoctypeName),this._createDoctypeToken(null);const e=this.currentToken;e.forceQuirks=!0,this.emitCurrentDoctype(e),this.state=xu.DATA;break}case Qn.EOF:{this._err(ou.eofInDoctype),this._createDoctypeToken(null);const e=this.currentToken;e.forceQuirks=!0,this.emitCurrentDoctype(e),this._emitEOFToken();break}default:this._createDoctypeToken(String.fromCodePoint(e)),this.state=xu.DOCTYPE_NAME}}_stateDoctypeName(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:this.state=xu.AFTER_DOCTYPE_NAME;break;case Qn.GREATER_THAN_SIGN:this.state=xu.DATA,this.emitCurrentDoctype(t);break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),t.name+=Vn;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:t.name+=String.fromCodePoint(wu(e)?Uu(e):e)}}_stateAfterDoctypeName(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.GREATER_THAN_SIGN:this.state=xu.DATA,this.emitCurrentDoctype(t);break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._consumeSequenceIfMatch(eu,!1)?this.state=xu.AFTER_DOCTYPE_PUBLIC_KEYWORD:this._consumeSequenceIfMatch(tu,!1)?this.state=xu.AFTER_DOCTYPE_SYSTEM_KEYWORD:this._ensureHibernation()||(this._err(ou.invalidCharacterSequenceAfterDoctypeName),t.forceQuirks=!0,this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e))}}_stateAfterDoctypePublicKeyword(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:this.state=xu.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER;break;case Qn.QUOTATION_MARK:this._err(ou.missingWhitespaceAfterDoctypePublicKeyword),t.publicId="",this.state=xu.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;break;case Qn.APOSTROPHE:this._err(ou.missingWhitespaceAfterDoctypePublicKeyword),t.publicId="",this.state=xu.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;break;case Qn.GREATER_THAN_SIGN:this._err(ou.missingDoctypePublicIdentifier),t.forceQuirks=!0,this.state=xu.DATA,this.emitCurrentDoctype(t);break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._err(ou.missingQuoteBeforeDoctypePublicIdentifier),t.forceQuirks=!0,this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e)}}_stateBeforeDoctypePublicIdentifier(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.QUOTATION_MARK:t.publicId="",this.state=xu.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;break;case Qn.APOSTROPHE:t.publicId="",this.state=xu.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;break;case Qn.GREATER_THAN_SIGN:this._err(ou.missingDoctypePublicIdentifier),t.forceQuirks=!0,this.state=xu.DATA,this.emitCurrentDoctype(t);break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._err(ou.missingQuoteBeforeDoctypePublicIdentifier),t.forceQuirks=!0,this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e)}}_stateDoctypePublicIdentifierDoubleQuoted(e){const t=this.currentToken;switch(e){case Qn.QUOTATION_MARK:this.state=xu.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),t.publicId+=Vn;break;case Qn.GREATER_THAN_SIGN:this._err(ou.abruptDoctypePublicIdentifier),t.forceQuirks=!0,this.emitCurrentDoctype(t),this.state=xu.DATA;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:t.publicId+=String.fromCodePoint(e)}}_stateDoctypePublicIdentifierSingleQuoted(e){const t=this.currentToken;switch(e){case Qn.APOSTROPHE:this.state=xu.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),t.publicId+=Vn;break;case Qn.GREATER_THAN_SIGN:this._err(ou.abruptDoctypePublicIdentifier),t.forceQuirks=!0,this.emitCurrentDoctype(t),this.state=xu.DATA;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:t.publicId+=String.fromCodePoint(e)}}_stateAfterDoctypePublicIdentifier(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:this.state=xu.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS;break;case Qn.GREATER_THAN_SIGN:this.state=xu.DATA,this.emitCurrentDoctype(t);break;case Qn.QUOTATION_MARK:this._err(ou.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers),t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;break;case Qn.APOSTROPHE:this._err(ou.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers),t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._err(ou.missingQuoteBeforeDoctypeSystemIdentifier),t.forceQuirks=!0,this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e)}}_stateBetweenDoctypePublicAndSystemIdentifiers(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.GREATER_THAN_SIGN:this.emitCurrentDoctype(t),this.state=xu.DATA;break;case Qn.QUOTATION_MARK:t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;break;case Qn.APOSTROPHE:t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._err(ou.missingQuoteBeforeDoctypeSystemIdentifier),t.forceQuirks=!0,this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e)}}_stateAfterDoctypeSystemKeyword(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:this.state=xu.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER;break;case Qn.QUOTATION_MARK:this._err(ou.missingWhitespaceAfterDoctypeSystemKeyword),t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;break;case Qn.APOSTROPHE:this._err(ou.missingWhitespaceAfterDoctypeSystemKeyword),t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;break;case Qn.GREATER_THAN_SIGN:this._err(ou.missingDoctypeSystemIdentifier),t.forceQuirks=!0,this.state=xu.DATA,this.emitCurrentDoctype(t);break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._err(ou.missingQuoteBeforeDoctypeSystemIdentifier),t.forceQuirks=!0,this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e)}}_stateBeforeDoctypeSystemIdentifier(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.QUOTATION_MARK:t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;break;case Qn.APOSTROPHE:t.systemId="",this.state=xu.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;break;case Qn.GREATER_THAN_SIGN:this._err(ou.missingDoctypeSystemIdentifier),t.forceQuirks=!0,this.state=xu.DATA,this.emitCurrentDoctype(t);break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._err(ou.missingQuoteBeforeDoctypeSystemIdentifier),t.forceQuirks=!0,this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e)}}_stateDoctypeSystemIdentifierDoubleQuoted(e){const t=this.currentToken;switch(e){case Qn.QUOTATION_MARK:this.state=xu.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),t.systemId+=Vn;break;case Qn.GREATER_THAN_SIGN:this._err(ou.abruptDoctypeSystemIdentifier),t.forceQuirks=!0,this.emitCurrentDoctype(t),this.state=xu.DATA;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:t.systemId+=String.fromCodePoint(e)}}_stateDoctypeSystemIdentifierSingleQuoted(e){const t=this.currentToken;switch(e){case Qn.APOSTROPHE:this.state=xu.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter),t.systemId+=Vn;break;case Qn.GREATER_THAN_SIGN:this._err(ou.abruptDoctypeSystemIdentifier),t.forceQuirks=!0,this.emitCurrentDoctype(t),this.state=xu.DATA;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:t.systemId+=String.fromCodePoint(e)}}_stateAfterDoctypeSystemIdentifier(e){const t=this.currentToken;switch(e){case Qn.SPACE:case Qn.LINE_FEED:case Qn.TABULATION:case Qn.FORM_FEED:break;case Qn.GREATER_THAN_SIGN:this.emitCurrentDoctype(t),this.state=xu.DATA;break;case Qn.EOF:this._err(ou.eofInDoctype),t.forceQuirks=!0,this.emitCurrentDoctype(t),this._emitEOFToken();break;default:this._err(ou.unexpectedCharacterAfterDoctypeSystemIdentifier),this.state=xu.BOGUS_DOCTYPE,this._stateBogusDoctype(e)}}_stateBogusDoctype(e){const t=this.currentToken;switch(e){case Qn.GREATER_THAN_SIGN:this.emitCurrentDoctype(t),this.state=xu.DATA;break;case Qn.NULL:this._err(ou.unexpectedNullCharacter);break;case Qn.EOF:this.emitCurrentDoctype(t),this._emitEOFToken()}}_stateCdataSection(e){switch(e){case Qn.RIGHT_SQUARE_BRACKET:this.state=xu.CDATA_SECTION_BRACKET;break;case Qn.EOF:this._err(ou.eofInCdata),this._emitEOFToken();break;default:this._emitCodePoint(e)}}_stateCdataSectionBracket(e){e===Qn.RIGHT_SQUARE_BRACKET?this.state=xu.CDATA_SECTION_END:(this._emitChars("]"),this.state=xu.CDATA_SECTION,this._stateCdataSection(e))}_stateCdataSectionEnd(e){switch(e){case Qn.GREATER_THAN_SIGN:this.state=xu.DATA;break;case Qn.RIGHT_SQUARE_BRACKET:this._emitChars("]");break;default:this._emitChars("]]"),this.state=xu.CDATA_SECTION,this._stateCdataSection(e)}}_stateCharacterReference(){let e=this.entityDecoder.write(this.preprocessor.html,this.preprocessor.pos);if(e<0){if(!this.preprocessor.lastChunkWritten)return this.active=!1,this.preprocessor.pos=this.preprocessor.html.length-1,this.consumedAfterSnapshot=0,void(this.preprocessor.endOfChunkHit=!0);e=this.entityDecoder.end()}0===e?(this.preprocessor.pos=this.entityStartPos,this._flushCodePointConsumedAsCharacterReference(Qn.AMPERSAND),this.state=!this._isCharacterReferenceInAttribute()&&Hu(this.preprocessor.peek(1))?xu.AMBIGUOUS_AMPERSAND:this.returnState):this.state=this.returnState}_stateAmbiguousAmpersand(e){Hu(e)?this._flushCodePointConsumedAsCharacterReference(e):(e===Qn.SEMICOLON&&this._err(ou.unknownNamedCharacterReference),this.state=this.returnState,this._callState(e))}}const zu=new Set([Su.DD,Su.DT,Su.LI,Su.OPTGROUP,Su.OPTION,Su.P,Su.RB,Su.RP,Su.RT,Su.RTC]),qu=new Set([...zu,Su.CAPTION,Su.COLGROUP,Su.TBODY,Su.TD,Su.TFOOT,Su.TH,Su.THEAD,Su.TR]),Wu=new Set([Su.APPLET,Su.CAPTION,Su.HTML,Su.MARQUEE,Su.OBJECT,Su.TABLE,Su.TD,Su.TEMPLATE,Su.TH]),Ku=new Set([...Wu,Su.OL,Su.UL]),Vu=new Set([...Wu,Su.BUTTON]),Qu=new Set([Su.ANNOTATION_XML,Su.MI,Su.MN,Su.MO,Su.MS,Su.MTEXT]),Xu=new Set([Su.DESC,Su.FOREIGN_OBJECT,Su.TITLE]),Zu=new Set([Su.TR,Su.TEMPLATE,Su.HTML]),Ju=new Set([Su.TBODY,Su.TFOOT,Su.THEAD,Su.TEMPLATE,Su.HTML]),$u=new Set([Su.TABLE,Su.TEMPLATE,Su.HTML]),er=new Set([Su.TD,Su.TH]);class tr{get currentTmplContentOrNode(){return this._isInTemplate()?this.treeAdapter.getTemplateContent(this.current):this.current}constructor(e,t,n){this.treeAdapter=t,this.handler=n,this.items=[],this.tagIDs=[],this.stackTop=-1,this.tmplCount=0,this.currentTagId=Su.UNKNOWN,this.current=e}_indexOf(e){return this.items.lastIndexOf(e,this.stackTop)}_isInTemplate(){return this.currentTagId===Su.TEMPLATE&&this.treeAdapter.getNamespaceURI(this.current)===ku.HTML}_updateCurrentElement(){this.current=this.items[this.stackTop],this.currentTagId=this.tagIDs[this.stackTop]}push(e,t){this.stackTop++,this.items[this.stackTop]=e,this.current=e,this.tagIDs[this.stackTop]=t,this.currentTagId=t,this._isInTemplate()&&this.tmplCount++,this.handler.onItemPush(e,t,!0)}pop(){const e=this.current;this.tmplCount>0&&this._isInTemplate()&&this.tmplCount--,this.stackTop--,this._updateCurrentElement(),this.handler.onItemPop(e,!0)}replace(e,t){const n=this._indexOf(e);this.items[n]=t,n===this.stackTop&&(this.current=t)}insertAfter(e,t,n){const u=this._indexOf(e)+1;this.items.splice(u,0,t),this.tagIDs.splice(u,0,n),this.stackTop++,u===this.stackTop&&this._updateCurrentElement(),this.handler.onItemPush(this.current,this.currentTagId,u===this.stackTop)}popUntilTagNamePopped(e){let t=this.stackTop+1;do{t=this.tagIDs.lastIndexOf(e,t-1)}while(t>0&&this.treeAdapter.getNamespaceURI(this.items[t])!==ku.HTML);this.shortenToLength(t<0?0:t)}shortenToLength(e){for(;this.stackTop>=e;){const t=this.current;this.tmplCount>0&&this._isInTemplate()&&(this.tmplCount-=1),this.stackTop--,this._updateCurrentElement(),this.handler.onItemPop(t,this.stackTop=0;n--)if(e.has(this.tagIDs[n])&&this.treeAdapter.getNamespaceURI(this.items[n])===t)return n;return-1}clearBackTo(e,t){const n=this._indexOfTagNames(e,t);this.shortenToLength(n+1)}clearBackToTableContext(){this.clearBackTo($u,ku.HTML)}clearBackToTableBodyContext(){this.clearBackTo(Ju,ku.HTML)}clearBackToTableRowContext(){this.clearBackTo(Zu,ku.HTML)}remove(e){const t=this._indexOf(e);t>=0&&(t===this.stackTop?this.pop():(this.items.splice(t,1),this.tagIDs.splice(t,1),this.stackTop--,this._updateCurrentElement(),this.handler.onItemPop(e,!1)))}tryPeekProperlyNestedBodyElement(){return this.stackTop>=1&&this.tagIDs[1]===Su.BODY?this.items[1]:null}contains(e){return this._indexOf(e)>-1}getCommonAncestor(e){const t=this._indexOf(e)-1;return t>=0?this.items[t]:null}isRootHtmlElementCurrent(){return 0===this.stackTop&&this.tagIDs[0]===Su.HTML}hasInDynamicScope(e,t){for(let n=this.stackTop;n>=0;n--){const u=this.tagIDs[n];switch(this.treeAdapter.getNamespaceURI(this.items[n])){case ku.HTML:if(u===e)return!0;if(t.has(u))return!1;break;case ku.SVG:if(Xu.has(u))return!1;break;case ku.MATHML:if(Qu.has(u))return!1}}return!0}hasInScope(e){return this.hasInDynamicScope(e,Wu)}hasInListItemScope(e){return this.hasInDynamicScope(e,Ku)}hasInButtonScope(e){return this.hasInDynamicScope(e,Vu)}hasNumberedHeaderInScope(){for(let e=this.stackTop;e>=0;e--){const t=this.tagIDs[e];switch(this.treeAdapter.getNamespaceURI(this.items[e])){case ku.HTML:if(Ru.has(t))return!0;if(Wu.has(t))return!1;break;case ku.SVG:if(Xu.has(t))return!1;break;case ku.MATHML:if(Qu.has(t))return!1}}return!0}hasInTableScope(e){for(let t=this.stackTop;t>=0;t--)if(this.treeAdapter.getNamespaceURI(this.items[t])===ku.HTML)switch(this.tagIDs[t]){case e:return!0;case Su.TABLE:case Su.HTML:return!1}return!0}hasTableBodyContextInTableScope(){for(let e=this.stackTop;e>=0;e--)if(this.treeAdapter.getNamespaceURI(this.items[e])===ku.HTML)switch(this.tagIDs[e]){case Su.TBODY:case Su.THEAD:case Su.TFOOT:return!0;case Su.TABLE:case Su.HTML:return!1}return!0}hasInSelectScope(e){for(let t=this.stackTop;t>=0;t--)if(this.treeAdapter.getNamespaceURI(this.items[t])===ku.HTML)switch(this.tagIDs[t]){case e:return!0;case Su.OPTION:case Su.OPTGROUP:break;default:return!1}return!0}generateImpliedEndTags(){for(;zu.has(this.currentTagId);)this.pop()}generateImpliedEndTagsThoroughly(){for(;qu.has(this.currentTagId);)this.pop()}generateImpliedEndTagsWithExclusion(e){for(;this.currentTagId!==e&&qu.has(this.currentTagId);)this.pop()}}var nr;!function(e){e[e.Marker=0]="Marker",e[e.Element=1]="Element"}(nr||(nr={}));const ur={type:nr.Marker};class rr{constructor(e){this.treeAdapter=e,this.entries=[],this.bookmark=null}_getNoahArkConditionCandidates(e,t){const n=[],u=t.length,r=this.treeAdapter.getTagName(e),o=this.treeAdapter.getNamespaceURI(e);for(let i=0;i[e.name,e.value])));let r=0;for(let o=0;ou.get(e.name)===e.value))&&(r+=1,r>=3&&this.entries.splice(e.idx,1))}}insertMarker(){this.entries.unshift(ur)}pushElement(e,t){this._ensureNoahArkCondition(e),this.entries.unshift({type:nr.Element,element:e,token:t})}insertElementAfterBookmark(e,t){const n=this.entries.indexOf(this.bookmark);this.entries.splice(n,0,{type:nr.Element,element:e,token:t})}removeEntry(e){const t=this.entries.indexOf(e);t>=0&&this.entries.splice(t,1)}clearToLastMarker(){const e=this.entries.indexOf(ur);e>=0?this.entries.splice(0,e+1):this.entries.length=0}getElementEntryInScopeWithTagName(e){const t=this.entries.find((t=>t.type===nr.Marker||this.treeAdapter.getTagName(t.element)===e));return t&&t.type===nr.Element?t:null}getElementEntry(e){return this.entries.find((t=>t.type===nr.Element&&t.element===e))}}const or={createDocument:()=>({nodeName:"#document",mode:Bu.NO_QUIRKS,childNodes:[]}),createDocumentFragment:()=>({nodeName:"#document-fragment",childNodes:[]}),createElement:(e,t,n)=>({nodeName:e,tagName:e,attrs:n,namespaceURI:t,childNodes:[],parentNode:null}),createCommentNode:e=>({nodeName:"#comment",data:e,parentNode:null}),createTextNode:e=>({nodeName:"#text",value:e,parentNode:null}),appendChild(e,t){e.childNodes.push(t),t.parentNode=e},insertBefore(e,t,n){const u=e.childNodes.indexOf(n);e.childNodes.splice(u,0,t),t.parentNode=e},setTemplateContent(e,t){e.content=t},getTemplateContent:e=>e.content,setDocumentType(e,t,n,u){const r=e.childNodes.find((e=>"#documentType"===e.nodeName));if(r)r.name=t,r.publicId=n,r.systemId=u;else{const r={nodeName:"#documentType",name:t,publicId:n,systemId:u,parentNode:null};or.appendChild(e,r)}},setDocumentMode(e,t){e.mode=t},getDocumentMode:e=>e.mode,detachNode(e){if(e.parentNode){const t=e.parentNode.childNodes.indexOf(e);e.parentNode.childNodes.splice(t,1),e.parentNode=null}},insertText(e,t){if(e.childNodes.length>0){const n=e.childNodes[e.childNodes.length-1];if(or.isTextNode(n))return void(n.value+=t)}or.appendChild(e,or.createTextNode(t))},insertTextBefore(e,t,n){const u=e.childNodes[e.childNodes.indexOf(n)-1];u&&or.isTextNode(u)?u.value+=t:or.insertBefore(e,or.createTextNode(t),n)},adoptAttributes(e,t){const n=new Set(e.attrs.map((e=>e.name)));for(let u=0;ue.childNodes[0],getChildNodes:e=>e.childNodes,getParentNode:e=>e.parentNode,getAttrList:e=>e.attrs,getTagName:e=>e.tagName,getNamespaceURI:e=>e.namespaceURI,getTextNodeContent:e=>e.value,getCommentNodeContent:e=>e.data,getDocumentTypeNodeName:e=>e.name,getDocumentTypeNodePublicId:e=>e.publicId,getDocumentTypeNodeSystemId:e=>e.systemId,isTextNode:e=>"#text"===e.nodeName,isCommentNode:e=>"#comment"===e.nodeName,isDocumentTypeNode:e=>"#documentType"===e.nodeName,isElementNode:e=>Object.prototype.hasOwnProperty.call(e,"tagName"),setNodeSourceCodeLocation(e,t){e.sourceCodeLocation=t},getNodeSourceCodeLocation:e=>e.sourceCodeLocation,updateNodeSourceCodeLocation(e,t){e.sourceCodeLocation=bt(bt({},e.sourceCodeLocation),t)}},ir="html",sr=["+//silmaril//dtd html pro v0r11 19970101//","-//as//dtd html 3.0 aswedit + extensions//","-//advasoft ltd//dtd html 3.0 aswedit + extensions//","-//ietf//dtd html 2.0 level 1//","-//ietf//dtd html 2.0 level 2//","-//ietf//dtd html 2.0 strict level 1//","-//ietf//dtd html 2.0 strict level 2//","-//ietf//dtd html 2.0 strict//","-//ietf//dtd html 2.0//","-//ietf//dtd html 2.1e//","-//ietf//dtd html 3.0//","-//ietf//dtd html 3.2 final//","-//ietf//dtd html 3.2//","-//ietf//dtd html 3//","-//ietf//dtd html level 0//","-//ietf//dtd html level 1//","-//ietf//dtd html level 2//","-//ietf//dtd html level 3//","-//ietf//dtd html strict level 0//","-//ietf//dtd html strict level 1//","-//ietf//dtd html strict level 2//","-//ietf//dtd html strict level 3//","-//ietf//dtd html strict//","-//ietf//dtd html//","-//metrius//dtd metrius presentational//","-//microsoft//dtd internet explorer 2.0 html strict//","-//microsoft//dtd internet explorer 2.0 html//","-//microsoft//dtd internet explorer 2.0 tables//","-//microsoft//dtd internet explorer 3.0 html strict//","-//microsoft//dtd internet explorer 3.0 html//","-//microsoft//dtd internet explorer 3.0 tables//","-//netscape comm. corp.//dtd html//","-//netscape comm. corp.//dtd strict html//","-//o'reilly and associates//dtd html 2.0//","-//o'reilly and associates//dtd html extended 1.0//","-//o'reilly and associates//dtd html extended relaxed 1.0//","-//sq//dtd html 2.0 hotmetal + extensions//","-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//","-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//","-//spyglass//dtd html 2.0 extended//","-//sun microsystems corp.//dtd hotjava html//","-//sun microsystems corp.//dtd hotjava strict html//","-//w3c//dtd html 3 1995-03-24//","-//w3c//dtd html 3.2 draft//","-//w3c//dtd html 3.2 final//","-//w3c//dtd html 3.2//","-//w3c//dtd html 3.2s draft//","-//w3c//dtd html 4.0 frameset//","-//w3c//dtd html 4.0 transitional//","-//w3c//dtd html experimental 19960712//","-//w3c//dtd html experimental 970421//","-//w3c//dtd w3 html//","-//w3o//dtd w3 html 3.0//","-//webtechs//dtd mozilla html 2.0//","-//webtechs//dtd mozilla html//"],ar=[...sr,"-//w3c//dtd html 4.01 frameset//","-//w3c//dtd html 4.01 transitional//"],cr=new Set(["-//w3o//dtd w3 html strict 3.0//en//","-/w3c/dtd html 4.0 transitional/en","html"]),lr=["-//w3c//dtd xhtml 1.0 frameset//","-//w3c//dtd xhtml 1.0 transitional//"],Dr=[...lr,"-//w3c//dtd html 4.01 frameset//","-//w3c//dtd html 4.01 transitional//"];function hr(e,t){return t.some((t=>e.startsWith(t)))}const pr="text/html",Er="application/xhtml+xml",dr=new Map(["attributeName","attributeType","baseFrequency","baseProfile","calcMode","clipPathUnits","diffuseConstant","edgeMode","filterUnits","glyphRef","gradientTransform","gradientUnits","kernelMatrix","kernelUnitLength","keyPoints","keySplines","keyTimes","lengthAdjust","limitingConeAngle","markerHeight","markerUnits","markerWidth","maskContentUnits","maskUnits","numOctaves","pathLength","patternContentUnits","patternTransform","patternUnits","pointsAtX","pointsAtY","pointsAtZ","preserveAlpha","preserveAspectRatio","primitiveUnits","refX","refY","repeatCount","repeatDur","requiredExtensions","requiredFeatures","specularConstant","specularExponent","spreadMethod","startOffset","stdDeviation","stitchTiles","surfaceScale","systemLanguage","tableValues","targetX","targetY","textLength","viewBox","viewTarget","xChannelSelector","yChannelSelector","zoomAndPan"].map((e=>[e.toLowerCase(),e]))),fr=new Map([["xlink:actuate",{prefix:"xlink",name:"actuate",namespace:ku.XLINK}],["xlink:arcrole",{prefix:"xlink",name:"arcrole",namespace:ku.XLINK}],["xlink:href",{prefix:"xlink",name:"href",namespace:ku.XLINK}],["xlink:role",{prefix:"xlink",name:"role",namespace:ku.XLINK}],["xlink:show",{prefix:"xlink",name:"show",namespace:ku.XLINK}],["xlink:title",{prefix:"xlink",name:"title",namespace:ku.XLINK}],["xlink:type",{prefix:"xlink",name:"type",namespace:ku.XLINK}],["xml:lang",{prefix:"xml",name:"lang",namespace:ku.XML}],["xml:space",{prefix:"xml",name:"space",namespace:ku.XML}],["xmlns",{prefix:"",name:"xmlns",namespace:ku.XMLNS}],["xmlns:xlink",{prefix:"xmlns",name:"xlink",namespace:ku.XMLNS}]]),mr=new Map(["altGlyph","altGlyphDef","altGlyphItem","animateColor","animateMotion","animateTransform","clipPath","feBlend","feColorMatrix","feComponentTransfer","feComposite","feConvolveMatrix","feDiffuseLighting","feDisplacementMap","feDistantLight","feFlood","feFuncA","feFuncB","feFuncG","feFuncR","feGaussianBlur","feImage","feMerge","feMergeNode","feMorphology","feOffset","fePointLight","feSpecularLighting","feSpotLight","feTile","feTurbulence","foreignObject","glyphRef","linearGradient","radialGradient","textPath"].map((e=>[e.toLowerCase(),e]))),Ar=new Set([Su.B,Su.BIG,Su.BLOCKQUOTE,Su.BODY,Su.BR,Su.CENTER,Su.CODE,Su.DD,Su.DIV,Su.DL,Su.DT,Su.EM,Su.EMBED,Su.H1,Su.H2,Su.H3,Su.H4,Su.H5,Su.H6,Su.HEAD,Su.HR,Su.I,Su.IMG,Su.LI,Su.LISTING,Su.MENU,Su.META,Su.NOBR,Su.OL,Su.P,Su.PRE,Su.RUBY,Su.S,Su.SMALL,Su.SPAN,Su.STRONG,Su.STRIKE,Su.SUB,Su.SUP,Su.TABLE,Su.TT,Su.U,Su.UL,Su.VAR]);function Fr(e){for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:null,u=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null;this.fragmentContext=n,this.scriptHandler=u,this.currentToken=null,this.stopped=!1,this.insertionMode=_r.INITIAL,this.originalInsertionMode=_r.INITIAL,this.headElement=null,this.formElement=null,this.currentNotInHTML=!1,this.tmplInsertionModeStack=[],this.pendingCharacterTokens=[],this.hasNonWhitespacePendingCharacterToken=!1,this.framesetOk=!0,this.skipNextNewLine=!1,this.fosterParentingEnabled=!1,this.options=bt(bt({},br),e),this.treeAdapter=this.options.treeAdapter,this.onParseError=this.options.onParseError,this.onParseError&&(this.options.sourceCodeLocationInfo=!0),this.document=null!==t&&void 0!==t?t:this.treeAdapter.createDocument(),this.tokenizer=new Yu(this.options,this),this.activeFormattingElements=new rr(this.treeAdapter),this.fragmentContextID=n?vu(this.treeAdapter.getTagName(n)):Su.UNKNOWN,this._setContextModes(null!==n&&void 0!==n?n:this.document,this.fragmentContextID),this.openElements=new tr(this.document,this.treeAdapter,this)}static parse(e,t){const n=new this(t);return n.tokenizer.write(e,!0),n.document}static getFragmentParser(e,t){const n=bt(bt({},br),t);null!==e&&void 0!==e||(e=n.treeAdapter.createElement(Nu.TEMPLATE,ku.HTML,[]));const u=n.treeAdapter.createElement("documentmock",ku.HTML,[]),r=new this(n,u,e);return r.fragmentContextID===Su.TEMPLATE&&r.tmplInsertionModeStack.unshift(_r.IN_TEMPLATE),r._initTokenizerForFragmentParsing(),r._insertFakeRootElement(),r._resetInsertionMode(),r._findFormInFragmentContext(),r}getFragment(){const e=this.treeAdapter.getFirstChild(this.document),t=this.treeAdapter.createDocumentFragment();return this._adoptNodes(e,t),t}_err(e,t,n){var u;if(!this.onParseError)return;const r=null!==(u=e.location)&&void 0!==u?u:yr,o={code:t,startLine:r.startLine,startCol:r.startCol,startOffset:r.startOffset,endLine:n?r.startLine:r.endLine,endCol:n?r.startCol:r.endCol,endOffset:n?r.startOffset:r.endOffset};this.onParseError(o)}onItemPush(e,t,n){var u,r;null===(r=(u=this.treeAdapter).onItemPush)||void 0===r||r.call(u,e),n&&this.openElements.stackTop>0&&this._setContextModes(e,t)}onItemPop(e,t){var n,u;if(this.options.sourceCodeLocationInfo&&this._setEndLocation(e,this.currentToken),null===(u=(n=this.treeAdapter).onItemPop)||void 0===u||u.call(n,e,this.openElements.current),t){let e,t;0===this.openElements.stackTop&&this.fragmentContext?(e=this.fragmentContext,t=this.fragmentContextID):({current:e,currentTagId:t}=this.openElements),this._setContextModes(e,t)}}_setContextModes(e,t){const n=e===this.document||this.treeAdapter.getNamespaceURI(e)===ku.HTML;this.currentNotInHTML=!n,this.tokenizer.inForeignNode=!n&&!this._isIntegrationPoint(t,e)}_switchToTextParsing(e,t){this._insertElement(e,ku.HTML),this.tokenizer.state=t,this.originalInsertionMode=this.insertionMode,this.insertionMode=_r.TEXT}switchToPlaintextParsing(){this.insertionMode=_r.TEXT,this.originalInsertionMode=_r.IN_BODY,this.tokenizer.state=Pu.PLAINTEXT}_getAdjustedCurrentElement(){return 0===this.openElements.stackTop&&this.fragmentContext?this.fragmentContext:this.openElements.current}_findFormInFragmentContext(){let e=this.fragmentContext;for(;e;){if(this.treeAdapter.getTagName(e)===Nu.FORM){this.formElement=e;break}e=this.treeAdapter.getParentNode(e)}}_initTokenizerForFragmentParsing(){if(this.fragmentContext&&this.treeAdapter.getNamespaceURI(this.fragmentContext)===ku.HTML)switch(this.fragmentContextID){case Su.TITLE:case Su.TEXTAREA:this.tokenizer.state=Pu.RCDATA;break;case Su.STYLE:case Su.XMP:case Su.IFRAME:case Su.NOEMBED:case Su.NOFRAMES:case Su.NOSCRIPT:this.tokenizer.state=Pu.RAWTEXT;break;case Su.SCRIPT:this.tokenizer.state=Pu.SCRIPT_DATA;break;case Su.PLAINTEXT:this.tokenizer.state=Pu.PLAINTEXT}}_setDocumentType(e){const t=e.name||"",n=e.publicId||"",u=e.systemId||"";if(this.treeAdapter.setDocumentType(this.document,t,n,u),e.location){const t=this.treeAdapter.getChildNodes(this.document).find((e=>this.treeAdapter.isDocumentTypeNode(e)));t&&this.treeAdapter.setNodeSourceCodeLocation(t,e.location)}}_attachElementToTree(e,t){if(this.options.sourceCodeLocationInfo){const n=t&&bt(bt({},t),{},{startTag:t});this.treeAdapter.setNodeSourceCodeLocation(e,n)}if(this._shouldFosterParentOnInsertion())this._fosterParentElement(e);else{const t=this.openElements.currentTmplContentOrNode;this.treeAdapter.appendChild(t,e)}}_appendElement(e,t){const n=this.treeAdapter.createElement(e.tagName,t,e.attrs);this._attachElementToTree(n,e.location)}_insertElement(e,t){const n=this.treeAdapter.createElement(e.tagName,t,e.attrs);this._attachElementToTree(n,e.location),this.openElements.push(n,e.tagID)}_insertFakeElement(e,t){const n=this.treeAdapter.createElement(e,ku.HTML,[]);this._attachElementToTree(n,null),this.openElements.push(n,t)}_insertTemplate(e){const t=this.treeAdapter.createElement(e.tagName,ku.HTML,e.attrs),n=this.treeAdapter.createDocumentFragment();this.treeAdapter.setTemplateContent(t,n),this._attachElementToTree(t,e.location),this.openElements.push(t,e.tagID),this.options.sourceCodeLocationInfo&&this.treeAdapter.setNodeSourceCodeLocation(n,null)}_insertFakeRootElement(){const e=this.treeAdapter.createElement(Nu.HTML,ku.HTML,[]);this.options.sourceCodeLocationInfo&&this.treeAdapter.setNodeSourceCodeLocation(e,null),this.treeAdapter.appendChild(this.openElements.current,e),this.openElements.push(e,Su.HTML)}_appendCommentNode(e,t){const n=this.treeAdapter.createCommentNode(e.data);this.treeAdapter.appendChild(t,n),this.options.sourceCodeLocationInfo&&this.treeAdapter.setNodeSourceCodeLocation(n,e.location)}_insertCharacters(e){let t,n;if(this._shouldFosterParentOnInsertion()?(({parent:t,beforeElement:n}=this._findFosterParentingLocation()),n?this.treeAdapter.insertTextBefore(t,e.chars,n):this.treeAdapter.insertText(t,e.chars)):(t=this.openElements.currentTmplContentOrNode,this.treeAdapter.insertText(t,e.chars)),!e.location)return;const u=this.treeAdapter.getChildNodes(t),r=n?u.lastIndexOf(n):u.length,o=u[r-1];if(this.treeAdapter.getNodeSourceCodeLocation(o)){const{endLine:t,endCol:n,endOffset:u}=e.location;this.treeAdapter.updateNodeSourceCodeLocation(o,{endLine:t,endCol:n,endOffset:u})}else this.options.sourceCodeLocationInfo&&this.treeAdapter.setNodeSourceCodeLocation(o,e.location)}_adoptNodes(e,t){for(let n=this.treeAdapter.getFirstChild(e);n;n=this.treeAdapter.getFirstChild(e))this.treeAdapter.detachNode(n),this.treeAdapter.appendChild(t,n)}_setEndLocation(e,t){if(this.treeAdapter.getNodeSourceCodeLocation(e)&&t.location){const n=t.location,u=this.treeAdapter.getTagName(e),r=t.type===su.END_TAG&&u===t.tagName?{endTag:bt({},n),endLine:n.endLine,endCol:n.endCol,endOffset:n.endOffset}:{endLine:n.startLine,endCol:n.startCol,endOffset:n.startOffset};this.treeAdapter.updateNodeSourceCodeLocation(e,r)}}shouldProcessStartTagTokenInForeignContent(e){if(!this.currentNotInHTML)return!1;let t,n;return 0===this.openElements.stackTop&&this.fragmentContext?(t=this.fragmentContext,n=this.fragmentContextID):({current:t,currentTagId:n}=this.openElements),(e.tagID!==Su.SVG||this.treeAdapter.getTagName(t)!==Nu.ANNOTATION_XML||this.treeAdapter.getNamespaceURI(t)!==ku.MATHML)&&(this.tokenizer.inForeignNode||(e.tagID===Su.MGLYPH||e.tagID===Su.MALIGNMARK)&&!this._isIntegrationPoint(n,t,ku.HTML))}_processToken(e){switch(e.type){case su.CHARACTER:this.onCharacter(e);break;case su.NULL_CHARACTER:this.onNullCharacter(e);break;case su.COMMENT:this.onComment(e);break;case su.DOCTYPE:this.onDoctype(e);break;case su.START_TAG:this._processStartTag(e);break;case su.END_TAG:this.onEndTag(e);break;case su.EOF:this.onEof(e);break;case su.WHITESPACE_CHARACTER:this.onWhitespaceCharacter(e)}}_isIntegrationPoint(e,t,n){return Tr(e,this.treeAdapter.getNamespaceURI(t),this.treeAdapter.getAttrList(t),n)}_reconstructActiveFormattingElements(){const e=this.activeFormattingElements.entries.length;if(e){const t=this.activeFormattingElements.entries.findIndex((e=>e.type===nr.Marker||this.openElements.contains(e.element)));for(let n=t<0?e-1:t-1;n>=0;n--){const e=this.activeFormattingElements.entries[n];this._insertElement(e.token,this.treeAdapter.getNamespaceURI(e.element)),e.element=this.openElements.current}}}_closeTableCell(){this.openElements.generateImpliedEndTags(),this.openElements.popUntilTableCellPopped(),this.activeFormattingElements.clearToLastMarker(),this.insertionMode=_r.IN_ROW}_closePElement(){this.openElements.generateImpliedEndTagsWithExclusion(Su.P),this.openElements.popUntilTagNamePopped(Su.P)}_resetInsertionMode(){for(let e=this.openElements.stackTop;e>=0;e--)switch(0===e&&this.fragmentContext?this.fragmentContextID:this.openElements.tagIDs[e]){case Su.TR:return void(this.insertionMode=_r.IN_ROW);case Su.TBODY:case Su.THEAD:case Su.TFOOT:return void(this.insertionMode=_r.IN_TABLE_BODY);case Su.CAPTION:return void(this.insertionMode=_r.IN_CAPTION);case Su.COLGROUP:return void(this.insertionMode=_r.IN_COLUMN_GROUP);case Su.TABLE:return void(this.insertionMode=_r.IN_TABLE);case Su.BODY:return void(this.insertionMode=_r.IN_BODY);case Su.FRAMESET:return void(this.insertionMode=_r.IN_FRAMESET);case Su.SELECT:return void this._resetInsertionModeForSelect(e);case Su.TEMPLATE:return void(this.insertionMode=this.tmplInsertionModeStack[0]);case Su.HTML:return void(this.insertionMode=this.headElement?_r.AFTER_HEAD:_r.BEFORE_HEAD);case Su.TD:case Su.TH:if(e>0)return void(this.insertionMode=_r.IN_CELL);break;case Su.HEAD:if(e>0)return void(this.insertionMode=_r.IN_HEAD)}this.insertionMode=_r.IN_BODY}_resetInsertionModeForSelect(e){if(e>0)for(let t=e-1;t>0;t--){const e=this.openElements.tagIDs[t];if(e===Su.TEMPLATE)break;if(e===Su.TABLE)return void(this.insertionMode=_r.IN_SELECT_IN_TABLE)}this.insertionMode=_r.IN_SELECT}_isElementCausesFosterParenting(e){return kr.has(e)}_shouldFosterParentOnInsertion(){return this.fosterParentingEnabled&&this._isElementCausesFosterParenting(this.openElements.currentTagId)}_findFosterParentingLocation(){for(let e=this.openElements.stackTop;e>=0;e--){const t=this.openElements.items[e];switch(this.openElements.tagIDs[e]){case Su.TEMPLATE:if(this.treeAdapter.getNamespaceURI(t)===ku.HTML)return{parent:this.treeAdapter.getTemplateContent(t),beforeElement:null};break;case Su.TABLE:{const n=this.treeAdapter.getParentNode(t);return n?{parent:n,beforeElement:t}:{parent:this.openElements.items[e-1],beforeElement:null}}}}return{parent:this.openElements.items[0],beforeElement:null}}_fosterParentElement(e){const t=this._findFosterParentingLocation();t.beforeElement?this.treeAdapter.insertBefore(t.parent,e,t.beforeElement):this.treeAdapter.appendChild(t.parent,e)}_isSpecialElement(e,t){const n=this.treeAdapter.getNamespaceURI(e);return Lu[n].has(t)}onCharacter(e){if(this.skipNextNewLine=!1,this.tokenizer.inForeignNode)!function(e,t){e._insertCharacters(t),e.framesetOk=!1}(this,e);else switch(this.insertionMode){case _r.INITIAL:wr(this,e);break;case _r.BEFORE_HTML:Mr(this,e);break;case _r.BEFORE_HEAD:Hr(this,e);break;case _r.IN_HEAD:jr(this,e);break;case _r.IN_HEAD_NO_SCRIPT:Yr(this,e);break;case _r.AFTER_HEAD:zr(this,e);break;case _r.IN_BODY:case _r.IN_CAPTION:case _r.IN_CELL:case _r.IN_TEMPLATE:Kr(this,e);break;case _r.TEXT:case _r.IN_SELECT:case _r.IN_SELECT_IN_TABLE:this._insertCharacters(e);break;case _r.IN_TABLE:case _r.IN_TABLE_BODY:case _r.IN_ROW:no(this,e);break;case _r.IN_TABLE_TEXT:so(this,e);break;case _r.IN_COLUMN_GROUP:Do(this,e);break;case _r.AFTER_BODY:go(this,e);break;case _r.AFTER_AFTER_BODY:To(this,e)}}onNullCharacter(e){if(this.skipNextNewLine=!1,this.tokenizer.inForeignNode)!function(e,t){t.chars=Vn,e._insertCharacters(t)}(this,e);else switch(this.insertionMode){case _r.INITIAL:wr(this,e);break;case _r.BEFORE_HTML:Mr(this,e);break;case _r.BEFORE_HEAD:Hr(this,e);break;case _r.IN_HEAD:jr(this,e);break;case _r.IN_HEAD_NO_SCRIPT:Yr(this,e);break;case _r.AFTER_HEAD:zr(this,e);break;case _r.TEXT:this._insertCharacters(e);break;case _r.IN_TABLE:case _r.IN_TABLE_BODY:case _r.IN_ROW:no(this,e);break;case _r.IN_COLUMN_GROUP:Do(this,e);break;case _r.AFTER_BODY:go(this,e);break;case _r.AFTER_AFTER_BODY:To(this,e)}}onComment(e){if(this.skipNextNewLine=!1,this.currentNotInHTML)xr(this,e);else switch(this.insertionMode){case _r.INITIAL:case _r.BEFORE_HTML:case _r.BEFORE_HEAD:case _r.IN_HEAD:case _r.IN_HEAD_NO_SCRIPT:case _r.AFTER_HEAD:case _r.IN_BODY:case _r.IN_TABLE:case _r.IN_CAPTION:case _r.IN_COLUMN_GROUP:case _r.IN_TABLE_BODY:case _r.IN_ROW:case _r.IN_CELL:case _r.IN_SELECT:case _r.IN_SELECT_IN_TABLE:case _r.IN_TEMPLATE:case _r.IN_FRAMESET:case _r.AFTER_FRAMESET:xr(this,e);break;case _r.IN_TABLE_TEXT:ao(this,e);break;case 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(Yes it\xb4s free and",(0,l.jsx)("a",{href:"https://github.com/jaywcjlove/hotkeys",children:" open-sourced"}),")"]}),(0,l.jsxs)("div",{children:["\xa9",(0,l.jsx)("a",{target:"_blank",rel:"noopener noreferrer",href:n,children:t}),u]})]})}const YD="index_tools__z-HKb",zD="index_version__-ytTx",qD="index_keyCodeInfo__cHMZ+",WD="index_header__jwPmf",KD="index_title__X9GPx",VD="index_info__QmMpI",QD="index_github__CJgBc",XD="# Hotkeys\n\n\x3c!--dividing--\x3e\n\n[![Buy me a coffee](https://img.shields.io/badge/Buy%20me%20a%20coffee-048754?logo=buymeacoffee)](https://jaywcjlove.github.io/#/sponsor)\n[![](https://img.shields.io/npm/dm/hotkeys-js?logo=npm)](https://www.npmjs.com/package/hotkeys-js)\n[![](https://img.shields.io/github/stars/jaywcjlove/hotkeys-js.svg)](https://github.com/jaywcjlove/hotkeys/stargazers)\n![no dependencies](http://jaywcjlove.github.io/sb/status/no-dependencies.svg)\n[![GitHub Actions CI](https://github.com/jaywcjlove/hotkeys-js/actions/workflows/ci.yml/badge.svg)](https://github.com/jaywcjlove/hotkeys-js/actions/workflows/ci.yml)\n[![Coverage Status](https://coveralls.io/repos/github/jaywcjlove/hotkeys/badge.svg?branch=master)](https://coveralls.io/github/jaywcjlove/hotkeys?branch=master)\n[![jaywcjlove/hotkeys-js](https://jaywcjlove.github.io/sb/lang/chinese.svg)](https://github.com/jaywcjlove/hotkeys-js/blob/master/README-zh.md)\n[![jaywcjlove/hotkeys-js](https://jaywcjlove.github.io/sb/ico/gitee.svg)](https://gitee.com/jaywcjlove/hotkeys)\n\nHotKeys.js is an input capture library with some very special features, it is easy to pick up and use, has a reasonable footprint ([~6kB](https://bundlephobia.com/result?p=hotkeys-js)) (gzipped: **`2.8kB`**), and has no dependencies. It should not interfere with any JavaScript libraries or frameworks. Official document [demo preview](https://jaywcjlove.github.io/hotkeys-js). [More examples](https://github.com/jaywcjlove/hotkeys-js/issues?q=label%3ADemo+).\n\n```bash\n\u256d\u2508\u2508\u256e \u256d\u2508\u2508\u256e \u256d\u2508\u2508\u256e\n\u2506 \u251c\u2508\u2508..\u2508\u2508\u2508\u2508\u2508.\u2506 \u2514\u2508\u256e\u2506 \u251c\u2508\u2508..\u2508\u2508\u2508\u2508\u2508..\u2508\u2508.\u2508\u2508..\u2508\u2508\u2508\u2508\u2508.\n\u2506 \u2506\u2506 \u25a1 \u2506\u2506 \u2508\u2524\u2506 < \u2506 -__\u2518\u2506 \u2506 \u2506\u2506__ \u2508\u2508\u2524\n\u2570\u2508\u2508\u2534\u2508\u2508\u256f\u2570\u2508\u2508\u2508\u2508\u2508\u256f\u2570\u2508\u2508\u2508\u2508\u256f\u2570\u2508\u2508\u2534\u2508\u2508\u256f\u2570\u2508\u2508\u2508\u2508\u2508\u256f\u2570\u2508\u2508\u2508 \u2506\u2570\u2508\u2508\u2508\u2508\u2508\u256f\n \u2570\u2508\u2508\u2508\u2508\u2508\u256f\n```\n\n## Usage\n\nYou will need `Node.js` installed on your system.\n\n```bash\nnpm install hotkeys-js --save\n```\n\n```js\nimport hotkeys from 'hotkeys-js';\n\nhotkeys('f5', function(event, handler){\n // Prevent the default refresh event under WINDOWS system\n event.preventDefault()\n alert('you pressed F5!')\n});\n```\n\nOr manually download and link **hotkeys.js** in your HTML, It can also be downloaded via [UNPKG](https://unpkg.com/hotkeys-js/dist/):\n\nCDN: [UNPKG](https://unpkg.com/hotkeys-js/dist/) | [jsDelivr](https://cdn.jsdelivr.net/npm/hotkeys-js@3.7.3/) | [Githack](https://raw.githack.com/jaywcjlove/hotkeys/master/dist/hotkeys.min.js) | [Statically](https://cdn.statically.io/gh/jaywcjlove/hotkeys/master/dist/hotkeys.min.js) | [bundle.run](https://bundle.run/hotkeys-js@3.7.3)\n\n```html\n\n * ^\n * ```\n *\n * @type {State}\n */\n function continuationRawTagOpen(code) {\n if (code === 47) {\n effects.consume(code);\n buffer = '';\n return continuationRawEndTag;\n }\n return continuation(code);\n }\n\n /**\n * In raw continuation, after ` | \n * ^^^^^^\n * ```\n *\n * @type {State}\n */\n function continuationRawEndTag(code) {\n if (code === 62) {\n const name = buffer.toLowerCase();\n if (htmlRawNames.includes(name)) {\n effects.consume(code);\n return continuationClose;\n }\n return continuation(code);\n }\n if (asciiAlpha(code) && buffer.length < 8) {\n // Always the case.\n effects.consume(code);\n buffer += String.fromCharCode(code);\n return continuationRawEndTag;\n }\n return continuation(code);\n }\n\n /**\n * In cdata continuation, after `]`, expecting `]>`.\n *\n * ```markdown\n * > | &<]]>\n * ^\n * ```\n *\n * @type {State}\n */\n function continuationCdataInside(code) {\n if (code === 93) {\n effects.consume(code);\n return continuationDeclarationInside;\n }\n return continuation(code);\n }\n\n /**\n * In declaration or instruction continuation, at `>`.\n *\n * ```markdown\n * > | \n * ^\n * > | \n * ^\n * > | \n * ^\n * > | \n * ^\n * > | &<]]>\n * ^\n * ```\n *\n * @type {State}\n */\n function continuationDeclarationInside(code) {\n if (code === 62) {\n effects.consume(code);\n return continuationClose;\n }\n\n // More dashes.\n if (code === 45 && marker === 2) {\n effects.consume(code);\n return continuationDeclarationInside;\n }\n return continuation(code);\n }\n\n /**\n * In closed continuation: everything we get until the eol/eof is part of it.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function continuationClose(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit(\"htmlFlowData\");\n return continuationAfter(code);\n }\n effects.consume(code);\n return continuationClose;\n }\n\n /**\n * Done.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function continuationAfter(code) {\n effects.exit(\"htmlFlow\");\n // // Feel free to interrupt.\n // tokenizer.interrupt = false\n // // No longer concrete.\n // tokenizer.concrete = false\n return ok(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeNonLazyContinuationStart(effects, ok, nok) {\n const self = this;\n return start;\n\n /**\n * At eol, before continuation.\n *\n * ```markdown\n * > | * ```js\n * ^\n * | b\n * ```\n *\n * @type {State}\n */\n function start(code) {\n if (markdownLineEnding(code)) {\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return after;\n }\n return nok(code);\n }\n\n /**\n * A continuation.\n *\n * ```markdown\n * | * ```js\n * > | b\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n return self.parser.lazy[self.now().line] ? nok(code) : ok(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeBlankLineBefore(effects, ok, nok) {\n return start;\n\n /**\n * Before eol, expecting blank line.\n *\n * ```markdown\n * > |
\n * ^\n * |\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return effects.attempt(blankLine, ok, nok);\n }\n}","/**\n * @import {\n * Code,\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { factorySpace } from 'micromark-factory-space';\nimport { markdownLineEnding, markdownSpace } from 'micromark-util-character';\n/** @type {Construct} */\nconst nonLazyContinuation = {\n partial: true,\n tokenize: tokenizeNonLazyContinuation\n};\n\n/** @type {Construct} */\nexport const codeFenced = {\n concrete: true,\n name: 'codeFenced',\n tokenize: tokenizeCodeFenced\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeCodeFenced(effects, ok, nok) {\n const self = this;\n /** @type {Construct} */\n const closeStart = {\n partial: true,\n tokenize: tokenizeCloseStart\n };\n let initialPrefix = 0;\n let sizeOpen = 0;\n /** @type {NonNullable} */\n let marker;\n return start;\n\n /**\n * Start of code.\n *\n * ```markdown\n * > | ~~~js\n * ^\n * | alert(1)\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function start(code) {\n // To do: parse whitespace like `markdown-rs`.\n return beforeSequenceOpen(code);\n }\n\n /**\n * In opening fence, after prefix, at sequence.\n *\n * ```markdown\n * > | ~~~js\n * ^\n * | alert(1)\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function beforeSequenceOpen(code) {\n const tail = self.events[self.events.length - 1];\n initialPrefix = tail && tail[1].type === \"linePrefix\" ? tail[2].sliceSerialize(tail[1], true).length : 0;\n marker = code;\n effects.enter(\"codeFenced\");\n effects.enter(\"codeFencedFence\");\n effects.enter(\"codeFencedFenceSequence\");\n return sequenceOpen(code);\n }\n\n /**\n * In opening fence sequence.\n *\n * ```markdown\n * > | ~~~js\n * ^\n * | alert(1)\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function sequenceOpen(code) {\n if (code === marker) {\n sizeOpen++;\n effects.consume(code);\n return sequenceOpen;\n }\n if (sizeOpen < 3) {\n return nok(code);\n }\n effects.exit(\"codeFencedFenceSequence\");\n return markdownSpace(code) ? factorySpace(effects, infoBefore, \"whitespace\")(code) : infoBefore(code);\n }\n\n /**\n * In opening fence, after the sequence (and optional whitespace), before info.\n *\n * ```markdown\n * > | ~~~js\n * ^\n * | alert(1)\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function infoBefore(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit(\"codeFencedFence\");\n return self.interrupt ? ok(code) : effects.check(nonLazyContinuation, atNonLazyBreak, after)(code);\n }\n effects.enter(\"codeFencedFenceInfo\");\n effects.enter(\"chunkString\", {\n contentType: \"string\"\n });\n return info(code);\n }\n\n /**\n * In info.\n *\n * ```markdown\n * > | ~~~js\n * ^\n * | alert(1)\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function info(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit(\"chunkString\");\n effects.exit(\"codeFencedFenceInfo\");\n return infoBefore(code);\n }\n if (markdownSpace(code)) {\n effects.exit(\"chunkString\");\n effects.exit(\"codeFencedFenceInfo\");\n return factorySpace(effects, metaBefore, \"whitespace\")(code);\n }\n if (code === 96 && code === marker) {\n return nok(code);\n }\n effects.consume(code);\n return info;\n }\n\n /**\n * In opening fence, after info and whitespace, before meta.\n *\n * ```markdown\n * > | ~~~js eval\n * ^\n * | alert(1)\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function metaBefore(code) {\n if (code === null || markdownLineEnding(code)) {\n return infoBefore(code);\n }\n effects.enter(\"codeFencedFenceMeta\");\n effects.enter(\"chunkString\", {\n contentType: \"string\"\n });\n return meta(code);\n }\n\n /**\n * In meta.\n *\n * ```markdown\n * > | ~~~js eval\n * ^\n * | alert(1)\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function meta(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit(\"chunkString\");\n effects.exit(\"codeFencedFenceMeta\");\n return infoBefore(code);\n }\n if (code === 96 && code === marker) {\n return nok(code);\n }\n effects.consume(code);\n return meta;\n }\n\n /**\n * At eol/eof in code, before a non-lazy closing fence or content.\n *\n * ```markdown\n * > | ~~~js\n * ^\n * > | alert(1)\n * ^\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function atNonLazyBreak(code) {\n return effects.attempt(closeStart, after, contentBefore)(code);\n }\n\n /**\n * Before code content, not a closing fence, at eol.\n *\n * ```markdown\n * | ~~~js\n * > | alert(1)\n * ^\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function contentBefore(code) {\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return contentStart;\n }\n\n /**\n * Before code content, not a closing fence.\n *\n * ```markdown\n * | ~~~js\n * > | alert(1)\n * ^\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function contentStart(code) {\n return initialPrefix > 0 && markdownSpace(code) ? factorySpace(effects, beforeContentChunk, \"linePrefix\", initialPrefix + 1)(code) : beforeContentChunk(code);\n }\n\n /**\n * Before code content, after optional prefix.\n *\n * ```markdown\n * | ~~~js\n * > | alert(1)\n * ^\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function beforeContentChunk(code) {\n if (code === null || markdownLineEnding(code)) {\n return effects.check(nonLazyContinuation, atNonLazyBreak, after)(code);\n }\n effects.enter(\"codeFlowValue\");\n return contentChunk(code);\n }\n\n /**\n * In code content.\n *\n * ```markdown\n * | ~~~js\n * > | alert(1)\n * ^^^^^^^^\n * | ~~~\n * ```\n *\n * @type {State}\n */\n function contentChunk(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit(\"codeFlowValue\");\n return beforeContentChunk(code);\n }\n effects.consume(code);\n return contentChunk;\n }\n\n /**\n * After code.\n *\n * ```markdown\n * | ~~~js\n * | alert(1)\n * > | ~~~\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n effects.exit(\"codeFenced\");\n return ok(code);\n }\n\n /**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\n function tokenizeCloseStart(effects, ok, nok) {\n let size = 0;\n return startBefore;\n\n /**\n *\n *\n * @type {State}\n */\n function startBefore(code) {\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return start;\n }\n\n /**\n * Before closing fence, at optional whitespace.\n *\n * ```markdown\n * | ~~~js\n * | alert(1)\n * > | ~~~\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n // Always populated by defaults.\n\n // To do: `enter` here or in next state?\n effects.enter(\"codeFencedFence\");\n return markdownSpace(code) ? factorySpace(effects, beforeSequenceClose, \"linePrefix\", self.parser.constructs.disable.null.includes('codeIndented') ? undefined : 4)(code) : beforeSequenceClose(code);\n }\n\n /**\n * In closing fence, after optional whitespace, at sequence.\n *\n * ```markdown\n * | ~~~js\n * | alert(1)\n * > | ~~~\n * ^\n * ```\n *\n * @type {State}\n */\n function beforeSequenceClose(code) {\n if (code === marker) {\n effects.enter(\"codeFencedFenceSequence\");\n return sequenceClose(code);\n }\n return nok(code);\n }\n\n /**\n * In closing fence sequence.\n *\n * ```markdown\n * | ~~~js\n * | alert(1)\n * > | ~~~\n * ^\n * ```\n *\n * @type {State}\n */\n function sequenceClose(code) {\n if (code === marker) {\n size++;\n effects.consume(code);\n return sequenceClose;\n }\n if (size >= sizeOpen) {\n effects.exit(\"codeFencedFenceSequence\");\n return markdownSpace(code) ? factorySpace(effects, sequenceCloseAfter, \"whitespace\")(code) : sequenceCloseAfter(code);\n }\n return nok(code);\n }\n\n /**\n * After closing fence sequence, after optional whitespace.\n *\n * ```markdown\n * | ~~~js\n * | alert(1)\n * > | ~~~\n * ^\n * ```\n *\n * @type {State}\n */\n function sequenceCloseAfter(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit(\"codeFencedFence\");\n return ok(code);\n }\n return nok(code);\n }\n }\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeNonLazyContinuation(effects, ok, nok) {\n const self = this;\n return start;\n\n /**\n *\n *\n * @type {State}\n */\n function start(code) {\n if (code === null) {\n return nok(code);\n }\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return lineStart;\n }\n\n /**\n *\n *\n * @type {State}\n */\n function lineStart(code) {\n return self.parser.lazy[self.now().line] ? nok(code) : ok(code);\n }\n}","/**\n * @import {\n * Code,\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { decodeNamedCharacterReference } from 'decode-named-character-reference';\nimport { asciiAlphanumeric, asciiDigit, asciiHexDigit } from 'micromark-util-character';\n/** @type {Construct} */\nexport const characterReference = {\n name: 'characterReference',\n tokenize: tokenizeCharacterReference\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeCharacterReference(effects, ok, nok) {\n const self = this;\n let size = 0;\n /** @type {number} */\n let max;\n /** @type {(code: Code) => boolean} */\n let test;\n return start;\n\n /**\n * Start of character reference.\n *\n * ```markdown\n * > | a&b\n * ^\n * > | a{b\n * ^\n * > | a b\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"characterReference\");\n effects.enter(\"characterReferenceMarker\");\n effects.consume(code);\n effects.exit(\"characterReferenceMarker\");\n return open;\n }\n\n /**\n * After `&`, at `#` for numeric references or alphanumeric for named\n * references.\n *\n * ```markdown\n * > | a&b\n * ^\n * > | a{b\n * ^\n * > | a b\n * ^\n * ```\n *\n * @type {State}\n */\n function open(code) {\n if (code === 35) {\n effects.enter(\"characterReferenceMarkerNumeric\");\n effects.consume(code);\n effects.exit(\"characterReferenceMarkerNumeric\");\n return numeric;\n }\n effects.enter(\"characterReferenceValue\");\n max = 31;\n test = asciiAlphanumeric;\n return value(code);\n }\n\n /**\n * After `#`, at `x` for hexadecimals or digit for decimals.\n *\n * ```markdown\n * > | a{b\n * ^\n * > | a b\n * ^\n * ```\n *\n * @type {State}\n */\n function numeric(code) {\n if (code === 88 || code === 120) {\n effects.enter(\"characterReferenceMarkerHexadecimal\");\n effects.consume(code);\n effects.exit(\"characterReferenceMarkerHexadecimal\");\n effects.enter(\"characterReferenceValue\");\n max = 6;\n test = asciiHexDigit;\n return value;\n }\n effects.enter(\"characterReferenceValue\");\n max = 7;\n test = asciiDigit;\n return value(code);\n }\n\n /**\n * After markers (`&#x`, `&#`, or `&`), in value, before `;`.\n *\n * The character reference kind defines what and how many characters are\n * allowed.\n *\n * ```markdown\n * > | a&b\n * ^^^\n * > | a{b\n * ^^^\n * > | a b\n * ^\n * ```\n *\n * @type {State}\n */\n function value(code) {\n if (code === 59 && size) {\n const token = effects.exit(\"characterReferenceValue\");\n if (test === asciiAlphanumeric && !decodeNamedCharacterReference(self.sliceSerialize(token))) {\n return nok(code);\n }\n\n // To do: `markdown-rs` uses a different name:\n // `CharacterReferenceMarkerSemi`.\n effects.enter(\"characterReferenceMarker\");\n effects.consume(code);\n effects.exit(\"characterReferenceMarker\");\n effects.exit(\"characterReference\");\n return ok;\n }\n if (test(code) && size++ < max) {\n effects.consume(code);\n return value;\n }\n return nok(code);\n }\n}","/**\n * @import {\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { asciiPunctuation } from 'micromark-util-character';\n/** @type {Construct} */\nexport const characterEscape = {\n name: 'characterEscape',\n tokenize: tokenizeCharacterEscape\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeCharacterEscape(effects, ok, nok) {\n return start;\n\n /**\n * Start of character escape.\n *\n * ```markdown\n * > | a\\*b\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"characterEscape\");\n effects.enter(\"escapeMarker\");\n effects.consume(code);\n effects.exit(\"escapeMarker\");\n return inside;\n }\n\n /**\n * After `\\`, at punctuation.\n *\n * ```markdown\n * > | a\\*b\n * ^\n * ```\n *\n * @type {State}\n */\n function inside(code) {\n // ASCII punctuation.\n if (asciiPunctuation(code)) {\n effects.enter(\"characterEscapeValue\");\n effects.consume(code);\n effects.exit(\"characterEscapeValue\");\n effects.exit(\"characterEscape\");\n return ok;\n }\n return nok(code);\n }\n}","/**\n * @import {\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { factorySpace } from 'micromark-factory-space';\nimport { markdownLineEnding } from 'micromark-util-character';\n/** @type {Construct} */\nexport const lineEnding = {\n name: 'lineEnding',\n tokenize: tokenizeLineEnding\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeLineEnding(effects, ok) {\n return start;\n\n /** @type {State} */\n function start(code) {\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return factorySpace(effects, ok, \"linePrefix\");\n }\n}","/**\n * @import {Event, Resolver, TokenizeContext} from 'micromark-util-types'\n */\n\n/**\n * Call all `resolveAll`s.\n *\n * @param {ReadonlyArray<{resolveAll?: Resolver | undefined}>} constructs\n * List of constructs, optionally with `resolveAll`s.\n * @param {Array} events\n * List of events.\n * @param {TokenizeContext} context\n * Context used by `tokenize`.\n * @returns {Array}\n * Changed events.\n */\nexport function resolveAll(constructs, events, context) {\n /** @type {Array} */\n const called = []\n let index = -1\n\n while (++index < constructs.length) {\n const resolve = constructs[index].resolveAll\n\n if (resolve && !called.includes(resolve)) {\n events = resolve(events, context)\n called.push(resolve)\n }\n }\n\n return events\n}\n","/**\n * @import {\n * Construct,\n * Event,\n * Resolver,\n * State,\n * TokenizeContext,\n * Tokenizer,\n * Token\n * } from 'micromark-util-types'\n */\n\nimport { factoryDestination } from 'micromark-factory-destination';\nimport { factoryLabel } from 'micromark-factory-label';\nimport { factoryTitle } from 'micromark-factory-title';\nimport { factoryWhitespace } from 'micromark-factory-whitespace';\nimport { markdownLineEndingOrSpace } from 'micromark-util-character';\nimport { push, splice } from 'micromark-util-chunked';\nimport { normalizeIdentifier } from 'micromark-util-normalize-identifier';\nimport { resolveAll } from 'micromark-util-resolve-all';\n/** @type {Construct} */\nexport const labelEnd = {\n name: 'labelEnd',\n resolveAll: resolveAllLabelEnd,\n resolveTo: resolveToLabelEnd,\n tokenize: tokenizeLabelEnd\n};\n\n/** @type {Construct} */\nconst resourceConstruct = {\n tokenize: tokenizeResource\n};\n/** @type {Construct} */\nconst referenceFullConstruct = {\n tokenize: tokenizeReferenceFull\n};\n/** @type {Construct} */\nconst referenceCollapsedConstruct = {\n tokenize: tokenizeReferenceCollapsed\n};\n\n/** @type {Resolver} */\nfunction resolveAllLabelEnd(events) {\n let index = -1;\n /** @type {Array} */\n const newEvents = [];\n while (++index < events.length) {\n const token = events[index][1];\n newEvents.push(events[index]);\n if (token.type === \"labelImage\" || token.type === \"labelLink\" || token.type === \"labelEnd\") {\n // Remove the marker.\n const offset = token.type === \"labelImage\" ? 4 : 2;\n token.type = \"data\";\n index += offset;\n }\n }\n\n // If the events are equal, we don't have to copy newEvents to events\n if (events.length !== newEvents.length) {\n splice(events, 0, events.length, newEvents);\n }\n return events;\n}\n\n/** @type {Resolver} */\nfunction resolveToLabelEnd(events, context) {\n let index = events.length;\n let offset = 0;\n /** @type {Token} */\n let token;\n /** @type {number | undefined} */\n let open;\n /** @type {number | undefined} */\n let close;\n /** @type {Array} */\n let media;\n\n // Find an opening.\n while (index--) {\n token = events[index][1];\n if (open) {\n // If we see another link, or inactive link label, we’ve been here before.\n if (token.type === \"link\" || token.type === \"labelLink\" && token._inactive) {\n break;\n }\n\n // Mark other link openings as inactive, as we can’t have links in\n // links.\n if (events[index][0] === 'enter' && token.type === \"labelLink\") {\n token._inactive = true;\n }\n } else if (close) {\n if (events[index][0] === 'enter' && (token.type === \"labelImage\" || token.type === \"labelLink\") && !token._balanced) {\n open = index;\n if (token.type !== \"labelLink\") {\n offset = 2;\n break;\n }\n }\n } else if (token.type === \"labelEnd\") {\n close = index;\n }\n }\n const group = {\n type: events[open][1].type === \"labelLink\" ? \"link\" : \"image\",\n start: {\n ...events[open][1].start\n },\n end: {\n ...events[events.length - 1][1].end\n }\n };\n const label = {\n type: \"label\",\n start: {\n ...events[open][1].start\n },\n end: {\n ...events[close][1].end\n }\n };\n const text = {\n type: \"labelText\",\n start: {\n ...events[open + offset + 2][1].end\n },\n end: {\n ...events[close - 2][1].start\n }\n };\n media = [['enter', group, context], ['enter', label, context]];\n\n // Opening marker.\n media = push(media, events.slice(open + 1, open + offset + 3));\n\n // Text open.\n media = push(media, [['enter', text, context]]);\n\n // Always populated by defaults.\n\n // Between.\n media = push(media, resolveAll(context.parser.constructs.insideSpan.null, events.slice(open + offset + 4, close - 3), context));\n\n // Text close, marker close, label close.\n media = push(media, [['exit', text, context], events[close - 2], events[close - 1], ['exit', label, context]]);\n\n // Reference, resource, or so.\n media = push(media, events.slice(close + 1));\n\n // Media close.\n media = push(media, [['exit', group, context]]);\n splice(events, open, events.length, media);\n return events;\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeLabelEnd(effects, ok, nok) {\n const self = this;\n let index = self.events.length;\n /** @type {Token} */\n let labelStart;\n /** @type {boolean} */\n let defined;\n\n // Find an opening.\n while (index--) {\n if ((self.events[index][1].type === \"labelImage\" || self.events[index][1].type === \"labelLink\") && !self.events[index][1]._balanced) {\n labelStart = self.events[index][1];\n break;\n }\n }\n return start;\n\n /**\n * Start of label end.\n *\n * ```markdown\n * > | [a](b) c\n * ^\n * > | [a][b] c\n * ^\n * > | [a][] b\n * ^\n * > | [a] b\n * ```\n *\n * @type {State}\n */\n function start(code) {\n // If there is not an okay opening.\n if (!labelStart) {\n return nok(code);\n }\n\n // If the corresponding label (link) start is marked as inactive,\n // it means we’d be wrapping a link, like this:\n //\n // ```markdown\n // > | a [b [c](d) e](f) g.\n // ^\n // ```\n //\n // We can’t have that, so it’s just balanced brackets.\n if (labelStart._inactive) {\n return labelEndNok(code);\n }\n defined = self.parser.defined.includes(normalizeIdentifier(self.sliceSerialize({\n start: labelStart.end,\n end: self.now()\n })));\n effects.enter(\"labelEnd\");\n effects.enter(\"labelMarker\");\n effects.consume(code);\n effects.exit(\"labelMarker\");\n effects.exit(\"labelEnd\");\n return after;\n }\n\n /**\n * After `]`.\n *\n * ```markdown\n * > | [a](b) c\n * ^\n * > | [a][b] c\n * ^\n * > | [a][] b\n * ^\n * > | [a] b\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n // Note: `markdown-rs` also parses GFM footnotes here, which for us is in\n // an extension.\n\n // Resource (`[asd](fgh)`)?\n if (code === 40) {\n return effects.attempt(resourceConstruct, labelEndOk, defined ? labelEndOk : labelEndNok)(code);\n }\n\n // Full (`[asd][fgh]`) or collapsed (`[asd][]`) reference?\n if (code === 91) {\n return effects.attempt(referenceFullConstruct, labelEndOk, defined ? referenceNotFull : labelEndNok)(code);\n }\n\n // Shortcut (`[asd]`) reference?\n return defined ? labelEndOk(code) : labelEndNok(code);\n }\n\n /**\n * After `]`, at `[`, but not at a full reference.\n *\n * > 👉 **Note**: we only get here if the label is defined.\n *\n * ```markdown\n * > | [a][] b\n * ^\n * > | [a] b\n * ^\n * ```\n *\n * @type {State}\n */\n function referenceNotFull(code) {\n return effects.attempt(referenceCollapsedConstruct, labelEndOk, labelEndNok)(code);\n }\n\n /**\n * Done, we found something.\n *\n * ```markdown\n * > | [a](b) c\n * ^\n * > | [a][b] c\n * ^\n * > | [a][] b\n * ^\n * > | [a] b\n * ^\n * ```\n *\n * @type {State}\n */\n function labelEndOk(code) {\n // Note: `markdown-rs` does a bunch of stuff here.\n return ok(code);\n }\n\n /**\n * Done, it’s nothing.\n *\n * There was an okay opening, but we didn’t match anything.\n *\n * ```markdown\n * > | [a](b c\n * ^\n * > | [a][b c\n * ^\n * > | [a] b\n * ^\n * ```\n *\n * @type {State}\n */\n function labelEndNok(code) {\n labelStart._balanced = true;\n return nok(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeResource(effects, ok, nok) {\n return resourceStart;\n\n /**\n * At a resource.\n *\n * ```markdown\n * > | [a](b) c\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceStart(code) {\n effects.enter(\"resource\");\n effects.enter(\"resourceMarker\");\n effects.consume(code);\n effects.exit(\"resourceMarker\");\n return resourceBefore;\n }\n\n /**\n * In resource, after `(`, at optional whitespace.\n *\n * ```markdown\n * > | [a](b) c\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceBefore(code) {\n return markdownLineEndingOrSpace(code) ? factoryWhitespace(effects, resourceOpen)(code) : resourceOpen(code);\n }\n\n /**\n * In resource, after optional whitespace, at `)` or a destination.\n *\n * ```markdown\n * > | [a](b) c\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceOpen(code) {\n if (code === 41) {\n return resourceEnd(code);\n }\n return factoryDestination(effects, resourceDestinationAfter, resourceDestinationMissing, \"resourceDestination\", \"resourceDestinationLiteral\", \"resourceDestinationLiteralMarker\", \"resourceDestinationRaw\", \"resourceDestinationString\", 32)(code);\n }\n\n /**\n * In resource, after destination, at optional whitespace.\n *\n * ```markdown\n * > | [a](b) c\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceDestinationAfter(code) {\n return markdownLineEndingOrSpace(code) ? factoryWhitespace(effects, resourceBetween)(code) : resourceEnd(code);\n }\n\n /**\n * At invalid destination.\n *\n * ```markdown\n * > | [a](<<) b\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceDestinationMissing(code) {\n return nok(code);\n }\n\n /**\n * In resource, after destination and whitespace, at `(` or title.\n *\n * ```markdown\n * > | [a](b ) c\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceBetween(code) {\n if (code === 34 || code === 39 || code === 40) {\n return factoryTitle(effects, resourceTitleAfter, nok, \"resourceTitle\", \"resourceTitleMarker\", \"resourceTitleString\")(code);\n }\n return resourceEnd(code);\n }\n\n /**\n * In resource, after title, at optional whitespace.\n *\n * ```markdown\n * > | [a](b \"c\") d\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceTitleAfter(code) {\n return markdownLineEndingOrSpace(code) ? factoryWhitespace(effects, resourceEnd)(code) : resourceEnd(code);\n }\n\n /**\n * In resource, at `)`.\n *\n * ```markdown\n * > | [a](b) d\n * ^\n * ```\n *\n * @type {State}\n */\n function resourceEnd(code) {\n if (code === 41) {\n effects.enter(\"resourceMarker\");\n effects.consume(code);\n effects.exit(\"resourceMarker\");\n effects.exit(\"resource\");\n return ok;\n }\n return nok(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeReferenceFull(effects, ok, nok) {\n const self = this;\n return referenceFull;\n\n /**\n * In a reference (full), at the `[`.\n *\n * ```markdown\n * > | [a][b] d\n * ^\n * ```\n *\n * @type {State}\n */\n function referenceFull(code) {\n return factoryLabel.call(self, effects, referenceFullAfter, referenceFullMissing, \"reference\", \"referenceMarker\", \"referenceString\")(code);\n }\n\n /**\n * In a reference (full), after `]`.\n *\n * ```markdown\n * > | [a][b] d\n * ^\n * ```\n *\n * @type {State}\n */\n function referenceFullAfter(code) {\n return self.parser.defined.includes(normalizeIdentifier(self.sliceSerialize(self.events[self.events.length - 1][1]).slice(1, -1))) ? ok(code) : nok(code);\n }\n\n /**\n * In reference (full) that was missing.\n *\n * ```markdown\n * > | [a][b d\n * ^\n * ```\n *\n * @type {State}\n */\n function referenceFullMissing(code) {\n return nok(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeReferenceCollapsed(effects, ok, nok) {\n return referenceCollapsedStart;\n\n /**\n * In reference (collapsed), at `[`.\n *\n * > 👉 **Note**: we only get here if the label is defined.\n *\n * ```markdown\n * > | [a][] d\n * ^\n * ```\n *\n * @type {State}\n */\n function referenceCollapsedStart(code) {\n // We only attempt a collapsed label if there’s a `[`.\n\n effects.enter(\"reference\");\n effects.enter(\"referenceMarker\");\n effects.consume(code);\n effects.exit(\"referenceMarker\");\n return referenceCollapsedOpen;\n }\n\n /**\n * In reference (collapsed), at `]`.\n *\n * > 👉 **Note**: we only get here if the label is defined.\n *\n * ```markdown\n * > | [a][] d\n * ^\n * ```\n *\n * @type {State}\n */\n function referenceCollapsedOpen(code) {\n if (code === 93) {\n effects.enter(\"referenceMarker\");\n effects.consume(code);\n effects.exit(\"referenceMarker\");\n effects.exit(\"reference\");\n return ok;\n }\n return nok(code);\n }\n}","/**\n * @import {\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { labelEnd } from './label-end.js';\n\n/** @type {Construct} */\nexport const labelStartImage = {\n name: 'labelStartImage',\n resolveAll: labelEnd.resolveAll,\n tokenize: tokenizeLabelStartImage\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeLabelStartImage(effects, ok, nok) {\n const self = this;\n return start;\n\n /**\n * Start of label (image) start.\n *\n * ```markdown\n * > | a ![b] c\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"labelImage\");\n effects.enter(\"labelImageMarker\");\n effects.consume(code);\n effects.exit(\"labelImageMarker\");\n return open;\n }\n\n /**\n * After `!`, at `[`.\n *\n * ```markdown\n * > | a ![b] c\n * ^\n * ```\n *\n * @type {State}\n */\n function open(code) {\n if (code === 91) {\n effects.enter(\"labelMarker\");\n effects.consume(code);\n effects.exit(\"labelMarker\");\n effects.exit(\"labelImage\");\n return after;\n }\n return nok(code);\n }\n\n /**\n * After `![`.\n *\n * ```markdown\n * > | a ![b] c\n * ^\n * ```\n *\n * This is needed in because, when GFM footnotes are enabled, images never\n * form when started with a `^`.\n * Instead, links form:\n *\n * ```markdown\n * ![^a](b)\n *\n * ![^a][b]\n *\n * [b]: c\n * ```\n *\n * ```html\n *

!^a

\n *

!^a

\n * ```\n *\n * @type {State}\n */\n function after(code) {\n // To do: use a new field to do this, this is still needed for\n // `micromark-extension-gfm-footnote`, but the `label-start-link`\n // behavior isn’t.\n // Hidden footnotes hook.\n /* c8 ignore next 3 */\n return code === 94 && '_hiddenFootnoteSupport' in self.parser.constructs ? nok(code) : ok(code);\n }\n}","/**\n * @import {Code} from 'micromark-util-types'\n */\n\nimport { markdownLineEndingOrSpace, unicodePunctuation, unicodeWhitespace } from 'micromark-util-character';\n/**\n * Classify whether a code represents whitespace, punctuation, or something\n * else.\n *\n * Used for attention (emphasis, strong), whose sequences can open or close\n * based on the class of surrounding characters.\n *\n * > 👉 **Note**: eof (`null`) is seen as whitespace.\n *\n * @param {Code} code\n * Code.\n * @returns {typeof constants.characterGroupWhitespace | typeof constants.characterGroupPunctuation | undefined}\n * Group.\n */\nexport function classifyCharacter(code) {\n if (code === null || markdownLineEndingOrSpace(code) || unicodeWhitespace(code)) {\n return 1;\n }\n if (unicodePunctuation(code)) {\n return 2;\n }\n}","/**\n * @import {\n * Code,\n * Construct,\n * Event,\n * Point,\n * Resolver,\n * State,\n * TokenizeContext,\n * Tokenizer,\n * Token\n * } from 'micromark-util-types'\n */\n\nimport { push, splice } from 'micromark-util-chunked';\nimport { classifyCharacter } from 'micromark-util-classify-character';\nimport { resolveAll } from 'micromark-util-resolve-all';\n/** @type {Construct} */\nexport const attention = {\n name: 'attention',\n resolveAll: resolveAllAttention,\n tokenize: tokenizeAttention\n};\n\n/**\n * Take all events and resolve attention to emphasis or strong.\n *\n * @type {Resolver}\n */\n// eslint-disable-next-line complexity\nfunction resolveAllAttention(events, context) {\n let index = -1;\n /** @type {number} */\n let open;\n /** @type {Token} */\n let group;\n /** @type {Token} */\n let text;\n /** @type {Token} */\n let openingSequence;\n /** @type {Token} */\n let closingSequence;\n /** @type {number} */\n let use;\n /** @type {Array} */\n let nextEvents;\n /** @type {number} */\n let offset;\n\n // Walk through all events.\n //\n // Note: performance of this is fine on an mb of normal markdown, but it’s\n // a bottleneck for malicious stuff.\n while (++index < events.length) {\n // Find a token that can close.\n if (events[index][0] === 'enter' && events[index][1].type === 'attentionSequence' && events[index][1]._close) {\n open = index;\n\n // Now walk back to find an opener.\n while (open--) {\n // Find a token that can open the closer.\n if (events[open][0] === 'exit' && events[open][1].type === 'attentionSequence' && events[open][1]._open &&\n // If the markers are the same:\n context.sliceSerialize(events[open][1]).charCodeAt(0) === context.sliceSerialize(events[index][1]).charCodeAt(0)) {\n // If the opening can close or the closing can open,\n // and the close size *is not* a multiple of three,\n // but the sum of the opening and closing size *is* multiple of three,\n // then don’t match.\n if ((events[open][1]._close || events[index][1]._open) && (events[index][1].end.offset - events[index][1].start.offset) % 3 && !((events[open][1].end.offset - events[open][1].start.offset + events[index][1].end.offset - events[index][1].start.offset) % 3)) {\n continue;\n }\n\n // Number of markers to use from the sequence.\n use = events[open][1].end.offset - events[open][1].start.offset > 1 && events[index][1].end.offset - events[index][1].start.offset > 1 ? 2 : 1;\n const start = {\n ...events[open][1].end\n };\n const end = {\n ...events[index][1].start\n };\n movePoint(start, -use);\n movePoint(end, use);\n openingSequence = {\n type: use > 1 ? \"strongSequence\" : \"emphasisSequence\",\n start,\n end: {\n ...events[open][1].end\n }\n };\n closingSequence = {\n type: use > 1 ? \"strongSequence\" : \"emphasisSequence\",\n start: {\n ...events[index][1].start\n },\n end\n };\n text = {\n type: use > 1 ? \"strongText\" : \"emphasisText\",\n start: {\n ...events[open][1].end\n },\n end: {\n ...events[index][1].start\n }\n };\n group = {\n type: use > 1 ? \"strong\" : \"emphasis\",\n start: {\n ...openingSequence.start\n },\n end: {\n ...closingSequence.end\n }\n };\n events[open][1].end = {\n ...openingSequence.start\n };\n events[index][1].start = {\n ...closingSequence.end\n };\n nextEvents = [];\n\n // If there are more markers in the opening, add them before.\n if (events[open][1].end.offset - events[open][1].start.offset) {\n nextEvents = push(nextEvents, [['enter', events[open][1], context], ['exit', events[open][1], context]]);\n }\n\n // Opening.\n nextEvents = push(nextEvents, [['enter', group, context], ['enter', openingSequence, context], ['exit', openingSequence, context], ['enter', text, context]]);\n\n // Always populated by defaults.\n\n // Between.\n nextEvents = push(nextEvents, resolveAll(context.parser.constructs.insideSpan.null, events.slice(open + 1, index), context));\n\n // Closing.\n nextEvents = push(nextEvents, [['exit', text, context], ['enter', closingSequence, context], ['exit', closingSequence, context], ['exit', group, context]]);\n\n // If there are more markers in the closing, add them after.\n if (events[index][1].end.offset - events[index][1].start.offset) {\n offset = 2;\n nextEvents = push(nextEvents, [['enter', events[index][1], context], ['exit', events[index][1], context]]);\n } else {\n offset = 0;\n }\n splice(events, open - 1, index - open + 3, nextEvents);\n index = open + nextEvents.length - offset - 2;\n break;\n }\n }\n }\n }\n\n // Remove remaining sequences.\n index = -1;\n while (++index < events.length) {\n if (events[index][1].type === 'attentionSequence') {\n events[index][1].type = 'data';\n }\n }\n return events;\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeAttention(effects, ok) {\n const attentionMarkers = this.parser.constructs.attentionMarkers.null;\n const previous = this.previous;\n const before = classifyCharacter(previous);\n\n /** @type {NonNullable} */\n let marker;\n return start;\n\n /**\n * Before a sequence.\n *\n * ```markdown\n * > | **\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n marker = code;\n effects.enter('attentionSequence');\n return inside(code);\n }\n\n /**\n * In a sequence.\n *\n * ```markdown\n * > | **\n * ^^\n * ```\n *\n * @type {State}\n */\n function inside(code) {\n if (code === marker) {\n effects.consume(code);\n return inside;\n }\n const token = effects.exit('attentionSequence');\n\n // To do: next major: move this to resolver, just like `markdown-rs`.\n const after = classifyCharacter(code);\n\n // Always populated by defaults.\n\n const open = !after || after === 2 && before || attentionMarkers.includes(code);\n const close = !before || before === 2 && after || attentionMarkers.includes(previous);\n token._open = Boolean(marker === 42 ? open : open && (before || !close));\n token._close = Boolean(marker === 42 ? close : close && (after || !open));\n return ok(code);\n }\n}\n\n/**\n * Move a point a bit.\n *\n * Note: `move` only works inside lines! It’s not possible to move past other\n * chunks (replacement characters, tabs, or line endings).\n *\n * @param {Point} point\n * Point.\n * @param {number} offset\n * Amount to move.\n * @returns {undefined}\n * Nothing.\n */\nfunction movePoint(point, offset) {\n point.column += offset;\n point.offset += offset;\n point._bufferIndex += offset;\n}","/**\n * @import {\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { asciiAlphanumeric, asciiAlpha, asciiAtext, asciiControl } from 'micromark-util-character';\n/** @type {Construct} */\nexport const autolink = {\n name: 'autolink',\n tokenize: tokenizeAutolink\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeAutolink(effects, ok, nok) {\n let size = 0;\n return start;\n\n /**\n * Start of an autolink.\n *\n * ```markdown\n * > | ab\n * ^\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"autolink\");\n effects.enter(\"autolinkMarker\");\n effects.consume(code);\n effects.exit(\"autolinkMarker\");\n effects.enter(\"autolinkProtocol\");\n return open;\n }\n\n /**\n * After `<`, at protocol or atext.\n *\n * ```markdown\n * > | ab\n * ^\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function open(code) {\n if (asciiAlpha(code)) {\n effects.consume(code);\n return schemeOrEmailAtext;\n }\n if (code === 64) {\n return nok(code);\n }\n return emailAtext(code);\n }\n\n /**\n * At second byte of protocol or atext.\n *\n * ```markdown\n * > | ab\n * ^\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function schemeOrEmailAtext(code) {\n // ASCII alphanumeric and `+`, `-`, and `.`.\n if (code === 43 || code === 45 || code === 46 || asciiAlphanumeric(code)) {\n // Count the previous alphabetical from `open` too.\n size = 1;\n return schemeInsideOrEmailAtext(code);\n }\n return emailAtext(code);\n }\n\n /**\n * In ambiguous protocol or atext.\n *\n * ```markdown\n * > | ab\n * ^\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function schemeInsideOrEmailAtext(code) {\n if (code === 58) {\n effects.consume(code);\n size = 0;\n return urlInside;\n }\n\n // ASCII alphanumeric and `+`, `-`, and `.`.\n if ((code === 43 || code === 45 || code === 46 || asciiAlphanumeric(code)) && size++ < 32) {\n effects.consume(code);\n return schemeInsideOrEmailAtext;\n }\n size = 0;\n return emailAtext(code);\n }\n\n /**\n * After protocol, in URL.\n *\n * ```markdown\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function urlInside(code) {\n if (code === 62) {\n effects.exit(\"autolinkProtocol\");\n effects.enter(\"autolinkMarker\");\n effects.consume(code);\n effects.exit(\"autolinkMarker\");\n effects.exit(\"autolink\");\n return ok;\n }\n\n // ASCII control, space, or `<`.\n if (code === null || code === 32 || code === 60 || asciiControl(code)) {\n return nok(code);\n }\n effects.consume(code);\n return urlInside;\n }\n\n /**\n * In email atext.\n *\n * ```markdown\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function emailAtext(code) {\n if (code === 64) {\n effects.consume(code);\n return emailAtSignOrDot;\n }\n if (asciiAtext(code)) {\n effects.consume(code);\n return emailAtext;\n }\n return nok(code);\n }\n\n /**\n * In label, after at-sign or dot.\n *\n * ```markdown\n * > | ab\n * ^ ^\n * ```\n *\n * @type {State}\n */\n function emailAtSignOrDot(code) {\n return asciiAlphanumeric(code) ? emailLabel(code) : nok(code);\n }\n\n /**\n * In label, where `.` and `>` are allowed.\n *\n * ```markdown\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function emailLabel(code) {\n if (code === 46) {\n effects.consume(code);\n size = 0;\n return emailAtSignOrDot;\n }\n if (code === 62) {\n // Exit, then change the token type.\n effects.exit(\"autolinkProtocol\").type = \"autolinkEmail\";\n effects.enter(\"autolinkMarker\");\n effects.consume(code);\n effects.exit(\"autolinkMarker\");\n effects.exit(\"autolink\");\n return ok;\n }\n return emailValue(code);\n }\n\n /**\n * In label, where `.` and `>` are *not* allowed.\n *\n * Though, this is also used in `emailLabel` to parse other values.\n *\n * ```markdown\n * > | ab\n * ^\n * ```\n *\n * @type {State}\n */\n function emailValue(code) {\n // ASCII alphanumeric or `-`.\n if ((code === 45 || asciiAlphanumeric(code)) && size++ < 63) {\n const next = code === 45 ? emailValue : emailLabel;\n effects.consume(code);\n return next;\n }\n return nok(code);\n }\n}","/**\n * @import {\n * Code,\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { factorySpace } from 'micromark-factory-space';\nimport { asciiAlphanumeric, asciiAlpha, markdownLineEndingOrSpace, markdownLineEnding, markdownSpace } from 'micromark-util-character';\n/** @type {Construct} */\nexport const htmlText = {\n name: 'htmlText',\n tokenize: tokenizeHtmlText\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeHtmlText(effects, ok, nok) {\n const self = this;\n /** @type {NonNullable | undefined} */\n let marker;\n /** @type {number} */\n let index;\n /** @type {State} */\n let returnState;\n return start;\n\n /**\n * Start of HTML (text).\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"htmlText\");\n effects.enter(\"htmlTextData\");\n effects.consume(code);\n return open;\n }\n\n /**\n * After `<`, at tag name or other stuff.\n *\n * ```markdown\n * > | a c\n * ^\n * > | a c\n * ^\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function open(code) {\n if (code === 33) {\n effects.consume(code);\n return declarationOpen;\n }\n if (code === 47) {\n effects.consume(code);\n return tagCloseStart;\n }\n if (code === 63) {\n effects.consume(code);\n return instruction;\n }\n\n // ASCII alphabetical.\n if (asciiAlpha(code)) {\n effects.consume(code);\n return tagOpen;\n }\n return nok(code);\n }\n\n /**\n * After ` | a c\n * ^\n * > | a c\n * ^\n * > | a &<]]> c\n * ^\n * ```\n *\n * @type {State}\n */\n function declarationOpen(code) {\n if (code === 45) {\n effects.consume(code);\n return commentOpenInside;\n }\n if (code === 91) {\n effects.consume(code);\n index = 0;\n return cdataOpenInside;\n }\n if (asciiAlpha(code)) {\n effects.consume(code);\n return declaration;\n }\n return nok(code);\n }\n\n /**\n * In a comment, after ` | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function commentOpenInside(code) {\n if (code === 45) {\n effects.consume(code);\n return commentEnd;\n }\n return nok(code);\n }\n\n /**\n * In comment.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function comment(code) {\n if (code === null) {\n return nok(code);\n }\n if (code === 45) {\n effects.consume(code);\n return commentClose;\n }\n if (markdownLineEnding(code)) {\n returnState = comment;\n return lineEndingBefore(code);\n }\n effects.consume(code);\n return comment;\n }\n\n /**\n * In comment, after `-`.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function commentClose(code) {\n if (code === 45) {\n effects.consume(code);\n return commentEnd;\n }\n return comment(code);\n }\n\n /**\n * In comment, after `--`.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function commentEnd(code) {\n return code === 62 ? end(code) : code === 45 ? commentClose(code) : comment(code);\n }\n\n /**\n * After ` | a &<]]> b\n * ^^^^^^\n * ```\n *\n * @type {State}\n */\n function cdataOpenInside(code) {\n const value = \"CDATA[\";\n if (code === value.charCodeAt(index++)) {\n effects.consume(code);\n return index === value.length ? cdata : cdataOpenInside;\n }\n return nok(code);\n }\n\n /**\n * In CDATA.\n *\n * ```markdown\n * > | a &<]]> b\n * ^^^\n * ```\n *\n * @type {State}\n */\n function cdata(code) {\n if (code === null) {\n return nok(code);\n }\n if (code === 93) {\n effects.consume(code);\n return cdataClose;\n }\n if (markdownLineEnding(code)) {\n returnState = cdata;\n return lineEndingBefore(code);\n }\n effects.consume(code);\n return cdata;\n }\n\n /**\n * In CDATA, after `]`, at another `]`.\n *\n * ```markdown\n * > | a &<]]> b\n * ^\n * ```\n *\n * @type {State}\n */\n function cdataClose(code) {\n if (code === 93) {\n effects.consume(code);\n return cdataEnd;\n }\n return cdata(code);\n }\n\n /**\n * In CDATA, after `]]`, at `>`.\n *\n * ```markdown\n * > | a &<]]> b\n * ^\n * ```\n *\n * @type {State}\n */\n function cdataEnd(code) {\n if (code === 62) {\n return end(code);\n }\n if (code === 93) {\n effects.consume(code);\n return cdataEnd;\n }\n return cdata(code);\n }\n\n /**\n * In declaration.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function declaration(code) {\n if (code === null || code === 62) {\n return end(code);\n }\n if (markdownLineEnding(code)) {\n returnState = declaration;\n return lineEndingBefore(code);\n }\n effects.consume(code);\n return declaration;\n }\n\n /**\n * In instruction.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function instruction(code) {\n if (code === null) {\n return nok(code);\n }\n if (code === 63) {\n effects.consume(code);\n return instructionClose;\n }\n if (markdownLineEnding(code)) {\n returnState = instruction;\n return lineEndingBefore(code);\n }\n effects.consume(code);\n return instruction;\n }\n\n /**\n * In instruction, after `?`, at `>`.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function instructionClose(code) {\n return code === 62 ? end(code) : instruction(code);\n }\n\n /**\n * After ` | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function tagCloseStart(code) {\n // ASCII alphabetical.\n if (asciiAlpha(code)) {\n effects.consume(code);\n return tagClose;\n }\n return nok(code);\n }\n\n /**\n * After ` | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function tagClose(code) {\n // ASCII alphanumerical and `-`.\n if (code === 45 || asciiAlphanumeric(code)) {\n effects.consume(code);\n return tagClose;\n }\n return tagCloseBetween(code);\n }\n\n /**\n * In closing tag, after tag name.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function tagCloseBetween(code) {\n if (markdownLineEnding(code)) {\n returnState = tagCloseBetween;\n return lineEndingBefore(code);\n }\n if (markdownSpace(code)) {\n effects.consume(code);\n return tagCloseBetween;\n }\n return end(code);\n }\n\n /**\n * After ` | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpen(code) {\n // ASCII alphanumerical and `-`.\n if (code === 45 || asciiAlphanumeric(code)) {\n effects.consume(code);\n return tagOpen;\n }\n if (code === 47 || code === 62 || markdownLineEndingOrSpace(code)) {\n return tagOpenBetween(code);\n }\n return nok(code);\n }\n\n /**\n * In opening tag, after tag name.\n *\n * ```markdown\n * > | a c\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpenBetween(code) {\n if (code === 47) {\n effects.consume(code);\n return end;\n }\n\n // ASCII alphabetical and `:` and `_`.\n if (code === 58 || code === 95 || asciiAlpha(code)) {\n effects.consume(code);\n return tagOpenAttributeName;\n }\n if (markdownLineEnding(code)) {\n returnState = tagOpenBetween;\n return lineEndingBefore(code);\n }\n if (markdownSpace(code)) {\n effects.consume(code);\n return tagOpenBetween;\n }\n return end(code);\n }\n\n /**\n * In attribute name.\n *\n * ```markdown\n * > | a d\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpenAttributeName(code) {\n // ASCII alphabetical and `-`, `.`, `:`, and `_`.\n if (code === 45 || code === 46 || code === 58 || code === 95 || asciiAlphanumeric(code)) {\n effects.consume(code);\n return tagOpenAttributeName;\n }\n return tagOpenAttributeNameAfter(code);\n }\n\n /**\n * After attribute name, before initializer, the end of the tag, or\n * whitespace.\n *\n * ```markdown\n * > | a d\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpenAttributeNameAfter(code) {\n if (code === 61) {\n effects.consume(code);\n return tagOpenAttributeValueBefore;\n }\n if (markdownLineEnding(code)) {\n returnState = tagOpenAttributeNameAfter;\n return lineEndingBefore(code);\n }\n if (markdownSpace(code)) {\n effects.consume(code);\n return tagOpenAttributeNameAfter;\n }\n return tagOpenBetween(code);\n }\n\n /**\n * Before unquoted, double quoted, or single quoted attribute value, allowing\n * whitespace.\n *\n * ```markdown\n * > | a e\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpenAttributeValueBefore(code) {\n if (code === null || code === 60 || code === 61 || code === 62 || code === 96) {\n return nok(code);\n }\n if (code === 34 || code === 39) {\n effects.consume(code);\n marker = code;\n return tagOpenAttributeValueQuoted;\n }\n if (markdownLineEnding(code)) {\n returnState = tagOpenAttributeValueBefore;\n return lineEndingBefore(code);\n }\n if (markdownSpace(code)) {\n effects.consume(code);\n return tagOpenAttributeValueBefore;\n }\n effects.consume(code);\n return tagOpenAttributeValueUnquoted;\n }\n\n /**\n * In double or single quoted attribute value.\n *\n * ```markdown\n * > | a e\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpenAttributeValueQuoted(code) {\n if (code === marker) {\n effects.consume(code);\n marker = undefined;\n return tagOpenAttributeValueQuotedAfter;\n }\n if (code === null) {\n return nok(code);\n }\n if (markdownLineEnding(code)) {\n returnState = tagOpenAttributeValueQuoted;\n return lineEndingBefore(code);\n }\n effects.consume(code);\n return tagOpenAttributeValueQuoted;\n }\n\n /**\n * In unquoted attribute value.\n *\n * ```markdown\n * > | a e\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpenAttributeValueUnquoted(code) {\n if (code === null || code === 34 || code === 39 || code === 60 || code === 61 || code === 96) {\n return nok(code);\n }\n if (code === 47 || code === 62 || markdownLineEndingOrSpace(code)) {\n return tagOpenBetween(code);\n }\n effects.consume(code);\n return tagOpenAttributeValueUnquoted;\n }\n\n /**\n * After double or single quoted attribute value, before whitespace or the end\n * of the tag.\n *\n * ```markdown\n * > | a e\n * ^\n * ```\n *\n * @type {State}\n */\n function tagOpenAttributeValueQuotedAfter(code) {\n if (code === 47 || code === 62 || markdownLineEndingOrSpace(code)) {\n return tagOpenBetween(code);\n }\n return nok(code);\n }\n\n /**\n * In certain circumstances of a tag where only an `>` is allowed.\n *\n * ```markdown\n * > | a e\n * ^\n * ```\n *\n * @type {State}\n */\n function end(code) {\n if (code === 62) {\n effects.consume(code);\n effects.exit(\"htmlTextData\");\n effects.exit(\"htmlText\");\n return ok;\n }\n return nok(code);\n }\n\n /**\n * At eol.\n *\n * > 👉 **Note**: we can’t have blank lines in text, so no need to worry about\n * > empty tokens.\n *\n * ```markdown\n * > | a \n * ```\n *\n * @type {State}\n */\n function lineEndingBefore(code) {\n effects.exit(\"htmlTextData\");\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return lineEndingAfter;\n }\n\n /**\n * After eol, at optional whitespace.\n *\n * > 👉 **Note**: we can’t have blank lines in text, so no need to worry about\n * > empty tokens.\n *\n * ```markdown\n * | a \n * ^\n * ```\n *\n * @type {State}\n */\n function lineEndingAfter(code) {\n // Always populated by defaults.\n\n return markdownSpace(code) ? factorySpace(effects, lineEndingAfterPrefix, \"linePrefix\", self.parser.constructs.disable.null.includes('codeIndented') ? undefined : 4)(code) : lineEndingAfterPrefix(code);\n }\n\n /**\n * After eol, after optional whitespace.\n *\n * > 👉 **Note**: we can’t have blank lines in text, so no need to worry about\n * > empty tokens.\n *\n * ```markdown\n * | a \n * ^\n * ```\n *\n * @type {State}\n */\n function lineEndingAfterPrefix(code) {\n effects.enter(\"htmlTextData\");\n return returnState(code);\n }\n}","/**\n * @import {\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { labelEnd } from './label-end.js';\n\n/** @type {Construct} */\nexport const labelStartLink = {\n name: 'labelStartLink',\n resolveAll: labelEnd.resolveAll,\n tokenize: tokenizeLabelStartLink\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeLabelStartLink(effects, ok, nok) {\n const self = this;\n return start;\n\n /**\n * Start of label (link) start.\n *\n * ```markdown\n * > | a [b] c\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"labelLink\");\n effects.enter(\"labelMarker\");\n effects.consume(code);\n effects.exit(\"labelMarker\");\n effects.exit(\"labelLink\");\n return after;\n }\n\n /** @type {State} */\n function after(code) {\n // To do: this isn’t needed in `micromark-extension-gfm-footnote`,\n // remove.\n // Hidden footnotes hook.\n /* c8 ignore next 3 */\n return code === 94 && '_hiddenFootnoteSupport' in self.parser.constructs ? nok(code) : ok(code);\n }\n}","/**\n * @import {\n * Construct,\n * State,\n * TokenizeContext,\n * Tokenizer\n * } from 'micromark-util-types'\n */\n\nimport { markdownLineEnding } from 'micromark-util-character';\n/** @type {Construct} */\nexport const hardBreakEscape = {\n name: 'hardBreakEscape',\n tokenize: tokenizeHardBreakEscape\n};\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeHardBreakEscape(effects, ok, nok) {\n return start;\n\n /**\n * Start of a hard break (escape).\n *\n * ```markdown\n * > | a\\\n * ^\n * | b\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"hardBreakEscape\");\n effects.consume(code);\n return after;\n }\n\n /**\n * After `\\`, at eol.\n *\n * ```markdown\n * > | a\\\n * ^\n * | b\n * ```\n *\n * @type {State}\n */\n function after(code) {\n if (markdownLineEnding(code)) {\n effects.exit(\"hardBreakEscape\");\n return ok(code);\n }\n return nok(code);\n }\n}","/**\n * @import {\n * Construct,\n * Previous,\n * Resolver,\n * State,\n * TokenizeContext,\n * Tokenizer,\n * Token\n * } from 'micromark-util-types'\n */\n\nimport { markdownLineEnding } from 'micromark-util-character';\n/** @type {Construct} */\nexport const codeText = {\n name: 'codeText',\n previous,\n resolve: resolveCodeText,\n tokenize: tokenizeCodeText\n};\n\n// To do: next major: don’t resolve, like `markdown-rs`.\n/** @type {Resolver} */\nfunction resolveCodeText(events) {\n let tailExitIndex = events.length - 4;\n let headEnterIndex = 3;\n /** @type {number} */\n let index;\n /** @type {number | undefined} */\n let enter;\n\n // If we start and end with an EOL or a space.\n if ((events[headEnterIndex][1].type === \"lineEnding\" || events[headEnterIndex][1].type === 'space') && (events[tailExitIndex][1].type === \"lineEnding\" || events[tailExitIndex][1].type === 'space')) {\n index = headEnterIndex;\n\n // And we have data.\n while (++index < tailExitIndex) {\n if (events[index][1].type === \"codeTextData\") {\n // Then we have padding.\n events[headEnterIndex][1].type = \"codeTextPadding\";\n events[tailExitIndex][1].type = \"codeTextPadding\";\n headEnterIndex += 2;\n tailExitIndex -= 2;\n break;\n }\n }\n }\n\n // Merge adjacent spaces and data.\n index = headEnterIndex - 1;\n tailExitIndex++;\n while (++index <= tailExitIndex) {\n if (enter === undefined) {\n if (index !== tailExitIndex && events[index][1].type !== \"lineEnding\") {\n enter = index;\n }\n } else if (index === tailExitIndex || events[index][1].type === \"lineEnding\") {\n events[enter][1].type = \"codeTextData\";\n if (index !== enter + 2) {\n events[enter][1].end = events[index - 1][1].end;\n events.splice(enter + 2, index - enter - 2);\n tailExitIndex -= index - enter - 2;\n index = enter + 2;\n }\n enter = undefined;\n }\n }\n return events;\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Previous}\n */\nfunction previous(code) {\n // If there is a previous code, there will always be a tail.\n return code !== 96 || this.events[this.events.length - 1][1].type === \"characterEscape\";\n}\n\n/**\n * @this {TokenizeContext}\n * Context.\n * @type {Tokenizer}\n */\nfunction tokenizeCodeText(effects, ok, nok) {\n const self = this;\n let sizeOpen = 0;\n /** @type {number} */\n let size;\n /** @type {Token} */\n let token;\n return start;\n\n /**\n * Start of code (text).\n *\n * ```markdown\n * > | `a`\n * ^\n * > | \\`a`\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(\"codeText\");\n effects.enter(\"codeTextSequence\");\n return sequenceOpen(code);\n }\n\n /**\n * In opening sequence.\n *\n * ```markdown\n * > | `a`\n * ^\n * ```\n *\n * @type {State}\n */\n function sequenceOpen(code) {\n if (code === 96) {\n effects.consume(code);\n sizeOpen++;\n return sequenceOpen;\n }\n effects.exit(\"codeTextSequence\");\n return between(code);\n }\n\n /**\n * Between something and something else.\n *\n * ```markdown\n * > | `a`\n * ^^\n * ```\n *\n * @type {State}\n */\n function between(code) {\n // EOF.\n if (code === null) {\n return nok(code);\n }\n\n // To do: next major: don’t do spaces in resolve, but when compiling,\n // like `markdown-rs`.\n // Tabs don’t work, and virtual spaces don’t make sense.\n if (code === 32) {\n effects.enter('space');\n effects.consume(code);\n effects.exit('space');\n return between;\n }\n\n // Closing fence? Could also be data.\n if (code === 96) {\n token = effects.enter(\"codeTextSequence\");\n size = 0;\n return sequenceClose(code);\n }\n if (markdownLineEnding(code)) {\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return between;\n }\n\n // Data.\n effects.enter(\"codeTextData\");\n return data(code);\n }\n\n /**\n * In data.\n *\n * ```markdown\n * > | `a`\n * ^\n * ```\n *\n * @type {State}\n */\n function data(code) {\n if (code === null || code === 32 || code === 96 || markdownLineEnding(code)) {\n effects.exit(\"codeTextData\");\n return between(code);\n }\n effects.consume(code);\n return data;\n }\n\n /**\n * In closing sequence.\n *\n * ```markdown\n * > | `a`\n * ^\n * ```\n *\n * @type {State}\n */\n function sequenceClose(code) {\n // More.\n if (code === 96) {\n effects.consume(code);\n size++;\n return sequenceClose;\n }\n\n // Done!\n if (size === sizeOpen) {\n effects.exit(\"codeTextSequence\");\n effects.exit(\"codeText\");\n return ok(code);\n }\n\n // More or less accents: mark as data.\n token.type = \"codeTextData\";\n return data(code);\n }\n}","/**\n * @import {Extension} from 'micromark-util-types'\n */\n\nimport { attention, autolink, blockQuote, characterEscape, characterReference, codeFenced, codeIndented, codeText, definition, hardBreakEscape, headingAtx, htmlFlow, htmlText, labelEnd, labelStartImage, labelStartLink, lineEnding, list, setextUnderline, thematicBreak } from 'micromark-core-commonmark';\nimport { resolver as resolveText } from './initialize/text.js';\n\n/** @satisfies {Extension['document']} */\nexport const document = {\n [42]: list,\n [43]: list,\n [45]: list,\n [48]: list,\n [49]: list,\n [50]: list,\n [51]: list,\n [52]: list,\n [53]: list,\n [54]: list,\n [55]: list,\n [56]: list,\n [57]: list,\n [62]: blockQuote\n};\n\n/** @satisfies {Extension['contentInitial']} */\nexport const contentInitial = {\n [91]: definition\n};\n\n/** @satisfies {Extension['flowInitial']} */\nexport const flowInitial = {\n [-2]: codeIndented,\n [-1]: codeIndented,\n [32]: codeIndented\n};\n\n/** @satisfies {Extension['flow']} */\nexport const flow = {\n [35]: headingAtx,\n [42]: thematicBreak,\n [45]: [setextUnderline, thematicBreak],\n [60]: htmlFlow,\n [61]: setextUnderline,\n [95]: thematicBreak,\n [96]: codeFenced,\n [126]: codeFenced\n};\n\n/** @satisfies {Extension['string']} */\nexport const string = {\n [38]: characterReference,\n [92]: characterEscape\n};\n\n/** @satisfies {Extension['text']} */\nexport const text = {\n [-5]: lineEnding,\n [-4]: lineEnding,\n [-3]: lineEnding,\n [33]: labelStartImage,\n [38]: characterReference,\n [42]: attention,\n [60]: [autolink, htmlText],\n [91]: labelStartLink,\n [92]: [hardBreakEscape, characterEscape],\n [93]: labelEnd,\n [95]: attention,\n [96]: codeText\n};\n\n/** @satisfies {Extension['insideSpan']} */\nexport const insideSpan = {\n null: [attention, resolveText]\n};\n\n/** @satisfies {Extension['attentionMarkers']} */\nexport const attentionMarkers = {\n null: [42, 95]\n};\n\n/** @satisfies {Extension['disable']} */\nexport const disable = {\n null: []\n};","/**\n * @import {\n * Chunk,\n * Code,\n * ConstructRecord,\n * Construct,\n * Effects,\n * InitialConstruct,\n * ParseContext,\n * Point,\n * State,\n * TokenizeContext,\n * Token\n * } from 'micromark-util-types'\n */\n\n/**\n * @callback Restore\n * Restore the state.\n * @returns {undefined}\n * Nothing.\n *\n * @typedef Info\n * Info.\n * @property {Restore} restore\n * Restore.\n * @property {number} from\n * From.\n *\n * @callback ReturnHandle\n * Handle a successful run.\n * @param {Construct} construct\n * Construct.\n * @param {Info} info\n * Info.\n * @returns {undefined}\n * Nothing.\n */\n\nimport { markdownLineEnding } from 'micromark-util-character';\nimport { push, splice } from 'micromark-util-chunked';\nimport { resolveAll } from 'micromark-util-resolve-all';\n/**\n * Create a tokenizer.\n * Tokenizers deal with one type of data (e.g., containers, flow, text).\n * The parser is the object dealing with it all.\n * `initialize` works like other constructs, except that only its `tokenize`\n * function is used, in which case it doesn’t receive an `ok` or `nok`.\n * `from` can be given to set the point before the first character, although\n * when further lines are indented, they must be set with `defineSkip`.\n *\n * @param {ParseContext} parser\n * Parser.\n * @param {InitialConstruct} initialize\n * Construct.\n * @param {Omit | undefined} [from]\n * Point (optional).\n * @returns {TokenizeContext}\n * Context.\n */\nexport function createTokenizer(parser, initialize, from) {\n /** @type {Point} */\n let point = {\n _bufferIndex: -1,\n _index: 0,\n line: from && from.line || 1,\n column: from && from.column || 1,\n offset: from && from.offset || 0\n };\n /** @type {Record} */\n const columnStart = {};\n /** @type {Array} */\n const resolveAllConstructs = [];\n /** @type {Array} */\n let chunks = [];\n /** @type {Array} */\n let stack = [];\n /** @type {boolean | undefined} */\n let consumed = true;\n\n /**\n * Tools used for tokenizing.\n *\n * @type {Effects}\n */\n const effects = {\n attempt: constructFactory(onsuccessfulconstruct),\n check: constructFactory(onsuccessfulcheck),\n consume,\n enter,\n exit,\n interrupt: constructFactory(onsuccessfulcheck, {\n interrupt: true\n })\n };\n\n /**\n * State and tools for resolving and serializing.\n *\n * @type {TokenizeContext}\n */\n const context = {\n code: null,\n containerState: {},\n defineSkip,\n events: [],\n now,\n parser,\n previous: null,\n sliceSerialize,\n sliceStream,\n write\n };\n\n /**\n * The state function.\n *\n * @type {State | undefined}\n */\n let state = initialize.tokenize.call(context, effects);\n\n /**\n * Track which character we expect to be consumed, to catch bugs.\n *\n * @type {Code}\n */\n let expectedCode;\n if (initialize.resolveAll) {\n resolveAllConstructs.push(initialize);\n }\n return context;\n\n /** @type {TokenizeContext['write']} */\n function write(slice) {\n chunks = push(chunks, slice);\n main();\n\n // Exit if we’re not done, resolve might change stuff.\n if (chunks[chunks.length - 1] !== null) {\n return [];\n }\n addResult(initialize, 0);\n\n // Otherwise, resolve, and exit.\n context.events = resolveAll(resolveAllConstructs, context.events, context);\n return context.events;\n }\n\n //\n // Tools.\n //\n\n /** @type {TokenizeContext['sliceSerialize']} */\n function sliceSerialize(token, expandTabs) {\n return serializeChunks(sliceStream(token), expandTabs);\n }\n\n /** @type {TokenizeContext['sliceStream']} */\n function sliceStream(token) {\n return sliceChunks(chunks, token);\n }\n\n /** @type {TokenizeContext['now']} */\n function now() {\n // This is a hot path, so we clone manually instead of `Object.assign({}, point)`\n const {\n _bufferIndex,\n _index,\n line,\n column,\n offset\n } = point;\n return {\n _bufferIndex,\n _index,\n line,\n column,\n offset\n };\n }\n\n /** @type {TokenizeContext['defineSkip']} */\n function defineSkip(value) {\n columnStart[value.line] = value.column;\n accountForPotentialSkip();\n }\n\n //\n // State management.\n //\n\n /**\n * Main loop (note that `_index` and `_bufferIndex` in `point` are modified by\n * `consume`).\n * Here is where we walk through the chunks, which either include strings of\n * several characters, or numerical character codes.\n * The reason to do this in a loop instead of a call is so the stack can\n * drain.\n *\n * @returns {undefined}\n * Nothing.\n */\n function main() {\n /** @type {number} */\n let chunkIndex;\n while (point._index < chunks.length) {\n const chunk = chunks[point._index];\n\n // If we’re in a buffer chunk, loop through it.\n if (typeof chunk === 'string') {\n chunkIndex = point._index;\n if (point._bufferIndex < 0) {\n point._bufferIndex = 0;\n }\n while (point._index === chunkIndex && point._bufferIndex < chunk.length) {\n go(chunk.charCodeAt(point._bufferIndex));\n }\n } else {\n go(chunk);\n }\n }\n }\n\n /**\n * Deal with one code.\n *\n * @param {Code} code\n * Code.\n * @returns {undefined}\n * Nothing.\n */\n function go(code) {\n consumed = undefined;\n expectedCode = code;\n state = state(code);\n }\n\n /** @type {Effects['consume']} */\n function consume(code) {\n if (markdownLineEnding(code)) {\n point.line++;\n point.column = 1;\n point.offset += code === -3 ? 2 : 1;\n accountForPotentialSkip();\n } else if (code !== -1) {\n point.column++;\n point.offset++;\n }\n\n // Not in a string chunk.\n if (point._bufferIndex < 0) {\n point._index++;\n } else {\n point._bufferIndex++;\n\n // At end of string chunk.\n if (point._bufferIndex ===\n // Points w/ non-negative `_bufferIndex` reference\n // strings.\n /** @type {string} */\n chunks[point._index].length) {\n point._bufferIndex = -1;\n point._index++;\n }\n }\n\n // Expose the previous character.\n context.previous = code;\n\n // Mark as consumed.\n consumed = true;\n }\n\n /** @type {Effects['enter']} */\n function enter(type, fields) {\n /** @type {Token} */\n // @ts-expect-error Patch instead of assign required fields to help GC.\n const token = fields || {};\n token.type = type;\n token.start = now();\n context.events.push(['enter', token, context]);\n stack.push(token);\n return token;\n }\n\n /** @type {Effects['exit']} */\n function exit(type) {\n const token = stack.pop();\n token.end = now();\n context.events.push(['exit', token, context]);\n return token;\n }\n\n /**\n * Use results.\n *\n * @type {ReturnHandle}\n */\n function onsuccessfulconstruct(construct, info) {\n addResult(construct, info.from);\n }\n\n /**\n * Discard results.\n *\n * @type {ReturnHandle}\n */\n function onsuccessfulcheck(_, info) {\n info.restore();\n }\n\n /**\n * Factory to attempt/check/interrupt.\n *\n * @param {ReturnHandle} onreturn\n * Callback.\n * @param {{interrupt?: boolean | undefined} | undefined} [fields]\n * Fields.\n */\n function constructFactory(onreturn, fields) {\n return hook;\n\n /**\n * Handle either an object mapping codes to constructs, a list of\n * constructs, or a single construct.\n *\n * @param {Array | ConstructRecord | Construct} constructs\n * Constructs.\n * @param {State} returnState\n * State.\n * @param {State | undefined} [bogusState]\n * State.\n * @returns {State}\n * State.\n */\n function hook(constructs, returnState, bogusState) {\n /** @type {ReadonlyArray} */\n let listOfConstructs;\n /** @type {number} */\n let constructIndex;\n /** @type {Construct} */\n let currentConstruct;\n /** @type {Info} */\n let info;\n return Array.isArray(constructs) ? /* c8 ignore next 1 */\n handleListOfConstructs(constructs) : 'tokenize' in constructs ?\n // Looks like a construct.\n handleListOfConstructs([(/** @type {Construct} */constructs)]) : handleMapOfConstructs(constructs);\n\n /**\n * Handle a list of construct.\n *\n * @param {ConstructRecord} map\n * Constructs.\n * @returns {State}\n * State.\n */\n function handleMapOfConstructs(map) {\n return start;\n\n /** @type {State} */\n function start(code) {\n const left = code !== null && map[code];\n const all = code !== null && map.null;\n const list = [\n // To do: add more extension tests.\n /* c8 ignore next 2 */\n ...(Array.isArray(left) ? left : left ? [left] : []), ...(Array.isArray(all) ? all : all ? [all] : [])];\n return handleListOfConstructs(list)(code);\n }\n }\n\n /**\n * Handle a list of construct.\n *\n * @param {ReadonlyArray} list\n * Constructs.\n * @returns {State}\n * State.\n */\n function handleListOfConstructs(list) {\n listOfConstructs = list;\n constructIndex = 0;\n if (list.length === 0) {\n return bogusState;\n }\n return handleConstruct(list[constructIndex]);\n }\n\n /**\n * Handle a single construct.\n *\n * @param {Construct} construct\n * Construct.\n * @returns {State}\n * State.\n */\n function handleConstruct(construct) {\n return start;\n\n /** @type {State} */\n function start(code) {\n // To do: not needed to store if there is no bogus state, probably?\n // Currently doesn’t work because `inspect` in document does a check\n // w/o a bogus, which doesn’t make sense. But it does seem to help perf\n // by not storing.\n info = store();\n currentConstruct = construct;\n if (!construct.partial) {\n context.currentConstruct = construct;\n }\n\n // Always populated by defaults.\n\n if (construct.name && context.parser.constructs.disable.null.includes(construct.name)) {\n return nok(code);\n }\n return construct.tokenize.call(\n // If we do have fields, create an object w/ `context` as its\n // prototype.\n // This allows a “live binding”, which is needed for `interrupt`.\n fields ? Object.assign(Object.create(context), fields) : context, effects, ok, nok)(code);\n }\n }\n\n /** @type {State} */\n function ok(code) {\n consumed = true;\n onreturn(currentConstruct, info);\n return returnState;\n }\n\n /** @type {State} */\n function nok(code) {\n consumed = true;\n info.restore();\n if (++constructIndex < listOfConstructs.length) {\n return handleConstruct(listOfConstructs[constructIndex]);\n }\n return bogusState;\n }\n }\n }\n\n /**\n * @param {Construct} construct\n * Construct.\n * @param {number} from\n * From.\n * @returns {undefined}\n * Nothing.\n */\n function addResult(construct, from) {\n if (construct.resolveAll && !resolveAllConstructs.includes(construct)) {\n resolveAllConstructs.push(construct);\n }\n if (construct.resolve) {\n splice(context.events, from, context.events.length - from, construct.resolve(context.events.slice(from), context));\n }\n if (construct.resolveTo) {\n context.events = construct.resolveTo(context.events, context);\n }\n }\n\n /**\n * Store state.\n *\n * @returns {Info}\n * Info.\n */\n function store() {\n const startPoint = now();\n const startPrevious = context.previous;\n const startCurrentConstruct = context.currentConstruct;\n const startEventsIndex = context.events.length;\n const startStack = Array.from(stack);\n return {\n from: startEventsIndex,\n restore\n };\n\n /**\n * Restore state.\n *\n * @returns {undefined}\n * Nothing.\n */\n function restore() {\n point = startPoint;\n context.previous = startPrevious;\n context.currentConstruct = startCurrentConstruct;\n context.events.length = startEventsIndex;\n stack = startStack;\n accountForPotentialSkip();\n }\n }\n\n /**\n * Move the current point a bit forward in the line when it’s on a column\n * skip.\n *\n * @returns {undefined}\n * Nothing.\n */\n function accountForPotentialSkip() {\n if (point.line in columnStart && point.column < 2) {\n point.column = columnStart[point.line];\n point.offset += columnStart[point.line] - 1;\n }\n }\n}\n\n/**\n * Get the chunks from a slice of chunks in the range of a token.\n *\n * @param {ReadonlyArray} chunks\n * Chunks.\n * @param {Pick} token\n * Token.\n * @returns {Array}\n * Chunks.\n */\nfunction sliceChunks(chunks, token) {\n const startIndex = token.start._index;\n const startBufferIndex = token.start._bufferIndex;\n const endIndex = token.end._index;\n const endBufferIndex = token.end._bufferIndex;\n /** @type {Array} */\n let view;\n if (startIndex === endIndex) {\n // @ts-expect-error `_bufferIndex` is used on string chunks.\n view = [chunks[startIndex].slice(startBufferIndex, endBufferIndex)];\n } else {\n view = chunks.slice(startIndex, endIndex);\n if (startBufferIndex > -1) {\n const head = view[0];\n if (typeof head === 'string') {\n view[0] = head.slice(startBufferIndex);\n } else {\n view.shift();\n }\n }\n if (endBufferIndex > 0) {\n // @ts-expect-error `_bufferIndex` is used on string chunks.\n view.push(chunks[endIndex].slice(0, endBufferIndex));\n }\n }\n return view;\n}\n\n/**\n * Get the string value of a slice of chunks.\n *\n * @param {ReadonlyArray} chunks\n * Chunks.\n * @param {boolean | undefined} [expandTabs=false]\n * Whether to expand tabs (default: `false`).\n * @returns {string}\n * Result.\n */\nfunction serializeChunks(chunks, expandTabs) {\n let index = -1;\n /** @type {Array} */\n const result = [];\n /** @type {boolean | undefined} */\n let atTab;\n while (++index < chunks.length) {\n const chunk = chunks[index];\n /** @type {string} */\n let value;\n if (typeof chunk === 'string') {\n value = chunk;\n } else switch (chunk) {\n case -5:\n {\n value = \"\\r\";\n break;\n }\n case -4:\n {\n value = \"\\n\";\n break;\n }\n case -3:\n {\n value = \"\\r\" + \"\\n\";\n break;\n }\n case -2:\n {\n value = expandTabs ? \" \" : \"\\t\";\n break;\n }\n case -1:\n {\n if (!expandTabs && atTab) continue;\n value = \" \";\n break;\n }\n default:\n {\n // Currently only replacement character.\n value = String.fromCharCode(chunk);\n }\n }\n atTab = chunk === -2;\n result.push(value);\n }\n return result.join('');\n}","/**\n * @import {Chunk, Code, Encoding, Value} from 'micromark-util-types'\n */\n\n/**\n * @callback Preprocessor\n * Preprocess a value.\n * @param {Value} value\n * Value.\n * @param {Encoding | null | undefined} [encoding]\n * Encoding when `value` is a typed array (optional).\n * @param {boolean | null | undefined} [end=false]\n * Whether this is the last chunk (default: `false`).\n * @returns {Array}\n * Chunks.\n */\n\nconst search = /[\\0\\t\\n\\r]/g;\n\n/**\n * @returns {Preprocessor}\n * Preprocess a value.\n */\nexport function preprocess() {\n let column = 1;\n let buffer = '';\n /** @type {boolean | undefined} */\n let start = true;\n /** @type {boolean | undefined} */\n let atCarriageReturn;\n return preprocessor;\n\n /** @type {Preprocessor} */\n // eslint-disable-next-line complexity\n function preprocessor(value, encoding, end) {\n /** @type {Array} */\n const chunks = [];\n /** @type {RegExpMatchArray | null} */\n let match;\n /** @type {number} */\n let next;\n /** @type {number} */\n let startPosition;\n /** @type {number} */\n let endPosition;\n /** @type {Code} */\n let code;\n value = buffer + (typeof value === 'string' ? value.toString() : new TextDecoder(encoding || undefined).decode(value));\n startPosition = 0;\n buffer = '';\n if (start) {\n // To do: `markdown-rs` actually parses BOMs (byte order mark).\n if (value.charCodeAt(0) === 65279) {\n startPosition++;\n }\n start = undefined;\n }\n while (startPosition < value.length) {\n search.lastIndex = startPosition;\n match = search.exec(value);\n endPosition = match && match.index !== undefined ? match.index : value.length;\n code = value.charCodeAt(endPosition);\n if (!match) {\n buffer = value.slice(startPosition);\n break;\n }\n if (code === 10 && startPosition === endPosition && atCarriageReturn) {\n chunks.push(-3);\n atCarriageReturn = undefined;\n } else {\n if (atCarriageReturn) {\n chunks.push(-5);\n atCarriageReturn = undefined;\n }\n if (startPosition < endPosition) {\n chunks.push(value.slice(startPosition, endPosition));\n column += endPosition - startPosition;\n }\n switch (code) {\n case 0:\n {\n chunks.push(65533);\n column++;\n break;\n }\n case 9:\n {\n next = Math.ceil(column / 4) * 4;\n chunks.push(-2);\n while (column++ < next) chunks.push(-1);\n break;\n }\n case 10:\n {\n chunks.push(-4);\n column = 1;\n break;\n }\n default:\n {\n atCarriageReturn = true;\n column = 1;\n }\n }\n }\n startPosition = endPosition + 1;\n }\n if (end) {\n if (atCarriageReturn) chunks.push(-5);\n if (buffer) chunks.push(buffer);\n chunks.push(null);\n }\n return chunks;\n }\n}","/**\n * Turn the number (in string form as either hexa- or plain decimal) coming from\n * a numeric character reference into a character.\n *\n * Sort of like `String.fromCodePoint(Number.parseInt(value, base))`, but makes\n * non-characters and control characters safe.\n *\n * @param {string} value\n * Value to decode.\n * @param {number} base\n * Numeric base.\n * @returns {string}\n * Character.\n */\nexport function decodeNumericCharacterReference(value, base) {\n const code = Number.parseInt(value, base);\n if (\n // C0 except for HT, LF, FF, CR, space.\n code < 9 || code === 11 || code > 13 && code < 32 ||\n // Control character (DEL) of C0, and C1 controls.\n code > 126 && code < 160 ||\n // Lone high surrogates and low surrogates.\n code > 55_295 && code < 57_344 ||\n // Noncharacters.\n code > 64_975 && code < 65_008 || /* eslint-disable no-bitwise */\n (code & 65_535) === 65_535 || (code & 65_535) === 65_534 || /* eslint-enable no-bitwise */\n // Out of range\n code > 1_114_111) {\n return \"\\uFFFD\";\n }\n return String.fromCodePoint(code);\n}","import { decodeNamedCharacterReference } from 'decode-named-character-reference';\nimport { decodeNumericCharacterReference } from 'micromark-util-decode-numeric-character-reference';\nconst characterEscapeOrReference = /\\\\([!-/:-@[-`{-~])|&(#(?:\\d{1,7}|x[\\da-f]{1,6})|[\\da-z]{1,31});/gi;\n\n/**\n * Decode markdown strings (which occur in places such as fenced code info\n * strings, destinations, labels, and titles).\n *\n * The “string” content type allows character escapes and -references.\n * This decodes those.\n *\n * @param {string} value\n * Value to decode.\n * @returns {string}\n * Decoded value.\n */\nexport function decodeString(value) {\n return value.replace(characterEscapeOrReference, decode);\n}\n\n/**\n * @param {string} $0\n * Match.\n * @param {string} $1\n * Character escape.\n * @param {string} $2\n * Character reference.\n * @returns {string}\n * Decoded value\n */\nfunction decode($0, $1, $2) {\n if ($1) {\n // Escape.\n return $1;\n }\n\n // Reference.\n const head = $2.charCodeAt(0);\n if (head === 35) {\n const head = $2.charCodeAt(1);\n const hex = head === 120 || head === 88;\n return decodeNumericCharacterReference($2.slice(hex ? 2 : 1), hex ? 16 : 10);\n }\n return decodeNamedCharacterReference($2) || $0;\n}","/**\n * @import {\n * Break,\n * Blockquote,\n * Code,\n * Definition,\n * Emphasis,\n * Heading,\n * Html,\n * Image,\n * InlineCode,\n * Link,\n * ListItem,\n * List,\n * Nodes,\n * Paragraph,\n * PhrasingContent,\n * ReferenceType,\n * Root,\n * Strong,\n * Text,\n * ThematicBreak\n * } from 'mdast'\n * @import {\n * Encoding,\n * Event,\n * Token,\n * Value\n * } from 'micromark-util-types'\n * @import {Point} from 'unist'\n * @import {\n * CompileContext,\n * CompileData,\n * Config,\n * Extension,\n * Handle,\n * OnEnterError,\n * Options\n * } from './types.js'\n */\n\nimport { toString } from 'mdast-util-to-string';\nimport { parse, postprocess, preprocess } from 'micromark';\nimport { decodeNumericCharacterReference } from 'micromark-util-decode-numeric-character-reference';\nimport { decodeString } from 'micromark-util-decode-string';\nimport { normalizeIdentifier } from 'micromark-util-normalize-identifier';\nimport { decodeNamedCharacterReference } from 'decode-named-character-reference';\nimport { stringifyPosition } from 'unist-util-stringify-position';\nconst own = {}.hasOwnProperty;\n\n/**\n * Turn markdown into a syntax tree.\n *\n * @overload\n * @param {Value} value\n * @param {Encoding | null | undefined} [encoding]\n * @param {Options | null | undefined} [options]\n * @returns {Root}\n *\n * @overload\n * @param {Value} value\n * @param {Options | null | undefined} [options]\n * @returns {Root}\n *\n * @param {Value} value\n * Markdown to parse.\n * @param {Encoding | Options | null | undefined} [encoding]\n * Character encoding for when `value` is `Buffer`.\n * @param {Options | null | undefined} [options]\n * Configuration.\n * @returns {Root}\n * mdast tree.\n */\nexport function fromMarkdown(value, encoding, options) {\n if (typeof encoding !== 'string') {\n options = encoding;\n encoding = undefined;\n }\n return compiler(options)(postprocess(parse(options).document().write(preprocess()(value, encoding, true))));\n}\n\n/**\n * Note this compiler only understand complete buffering, not streaming.\n *\n * @param {Options | null | undefined} [options]\n */\nfunction compiler(options) {\n /** @type {Config} */\n const config = {\n transforms: [],\n canContainEols: ['emphasis', 'fragment', 'heading', 'paragraph', 'strong'],\n enter: {\n autolink: opener(link),\n autolinkProtocol: onenterdata,\n autolinkEmail: onenterdata,\n atxHeading: opener(heading),\n blockQuote: opener(blockQuote),\n characterEscape: onenterdata,\n characterReference: onenterdata,\n codeFenced: opener(codeFlow),\n codeFencedFenceInfo: buffer,\n codeFencedFenceMeta: buffer,\n codeIndented: opener(codeFlow, buffer),\n codeText: opener(codeText, buffer),\n codeTextData: onenterdata,\n data: onenterdata,\n codeFlowValue: onenterdata,\n definition: opener(definition),\n definitionDestinationString: buffer,\n definitionLabelString: buffer,\n definitionTitleString: buffer,\n emphasis: opener(emphasis),\n hardBreakEscape: opener(hardBreak),\n hardBreakTrailing: opener(hardBreak),\n htmlFlow: opener(html, buffer),\n htmlFlowData: onenterdata,\n htmlText: opener(html, buffer),\n htmlTextData: onenterdata,\n image: opener(image),\n label: buffer,\n link: opener(link),\n listItem: opener(listItem),\n listItemValue: onenterlistitemvalue,\n listOrdered: opener(list, onenterlistordered),\n listUnordered: opener(list),\n paragraph: opener(paragraph),\n reference: onenterreference,\n referenceString: buffer,\n resourceDestinationString: buffer,\n resourceTitleString: buffer,\n setextHeading: opener(heading),\n strong: opener(strong),\n thematicBreak: opener(thematicBreak)\n },\n exit: {\n atxHeading: closer(),\n atxHeadingSequence: onexitatxheadingsequence,\n autolink: closer(),\n autolinkEmail: onexitautolinkemail,\n autolinkProtocol: onexitautolinkprotocol,\n blockQuote: closer(),\n characterEscapeValue: onexitdata,\n characterReferenceMarkerHexadecimal: onexitcharacterreferencemarker,\n characterReferenceMarkerNumeric: onexitcharacterreferencemarker,\n characterReferenceValue: onexitcharacterreferencevalue,\n characterReference: onexitcharacterreference,\n codeFenced: closer(onexitcodefenced),\n codeFencedFence: onexitcodefencedfence,\n codeFencedFenceInfo: onexitcodefencedfenceinfo,\n codeFencedFenceMeta: onexitcodefencedfencemeta,\n codeFlowValue: onexitdata,\n codeIndented: closer(onexitcodeindented),\n codeText: closer(onexitcodetext),\n codeTextData: onexitdata,\n data: onexitdata,\n definition: closer(),\n definitionDestinationString: onexitdefinitiondestinationstring,\n definitionLabelString: onexitdefinitionlabelstring,\n definitionTitleString: onexitdefinitiontitlestring,\n emphasis: closer(),\n hardBreakEscape: closer(onexithardbreak),\n hardBreakTrailing: closer(onexithardbreak),\n htmlFlow: closer(onexithtmlflow),\n htmlFlowData: onexitdata,\n htmlText: closer(onexithtmltext),\n htmlTextData: onexitdata,\n image: closer(onexitimage),\n label: onexitlabel,\n labelText: onexitlabeltext,\n lineEnding: onexitlineending,\n link: closer(onexitlink),\n listItem: closer(),\n listOrdered: closer(),\n listUnordered: closer(),\n paragraph: closer(),\n referenceString: onexitreferencestring,\n resourceDestinationString: onexitresourcedestinationstring,\n resourceTitleString: onexitresourcetitlestring,\n resource: onexitresource,\n setextHeading: closer(onexitsetextheading),\n setextHeadingLineSequence: onexitsetextheadinglinesequence,\n setextHeadingText: onexitsetextheadingtext,\n strong: closer(),\n thematicBreak: closer()\n }\n };\n configure(config, (options || {}).mdastExtensions || []);\n\n /** @type {CompileData} */\n const data = {};\n return compile;\n\n /**\n * Turn micromark events into an mdast tree.\n *\n * @param {Array} events\n * Events.\n * @returns {Root}\n * mdast tree.\n */\n function compile(events) {\n /** @type {Root} */\n let tree = {\n type: 'root',\n children: []\n };\n /** @type {Omit} */\n const context = {\n stack: [tree],\n tokenStack: [],\n config,\n enter,\n exit,\n buffer,\n resume,\n data\n };\n /** @type {Array} */\n const listStack = [];\n let index = -1;\n while (++index < events.length) {\n // We preprocess lists to add `listItem` tokens, and to infer whether\n // items the list itself are spread out.\n if (events[index][1].type === \"listOrdered\" || events[index][1].type === \"listUnordered\") {\n if (events[index][0] === 'enter') {\n listStack.push(index);\n } else {\n const tail = listStack.pop();\n index = prepareList(events, tail, index);\n }\n }\n }\n index = -1;\n while (++index < events.length) {\n const handler = config[events[index][0]];\n if (own.call(handler, events[index][1].type)) {\n handler[events[index][1].type].call(Object.assign({\n sliceSerialize: events[index][2].sliceSerialize\n }, context), events[index][1]);\n }\n }\n\n // Handle tokens still being open.\n if (context.tokenStack.length > 0) {\n const tail = context.tokenStack[context.tokenStack.length - 1];\n const handler = tail[1] || defaultOnError;\n handler.call(context, undefined, tail[0]);\n }\n\n // Figure out `root` position.\n tree.position = {\n start: point(events.length > 0 ? events[0][1].start : {\n line: 1,\n column: 1,\n offset: 0\n }),\n end: point(events.length > 0 ? events[events.length - 2][1].end : {\n line: 1,\n column: 1,\n offset: 0\n })\n };\n\n // Call transforms.\n index = -1;\n while (++index < config.transforms.length) {\n tree = config.transforms[index](tree) || tree;\n }\n return tree;\n }\n\n /**\n * @param {Array} events\n * @param {number} start\n * @param {number} length\n * @returns {number}\n */\n function prepareList(events, start, length) {\n let index = start - 1;\n let containerBalance = -1;\n let listSpread = false;\n /** @type {Token | undefined} */\n let listItem;\n /** @type {number | undefined} */\n let lineIndex;\n /** @type {number | undefined} */\n let firstBlankLineIndex;\n /** @type {boolean | undefined} */\n let atMarker;\n while (++index <= length) {\n const event = events[index];\n switch (event[1].type) {\n case \"listUnordered\":\n case \"listOrdered\":\n case \"blockQuote\":\n {\n if (event[0] === 'enter') {\n containerBalance++;\n } else {\n containerBalance--;\n }\n atMarker = undefined;\n break;\n }\n case \"lineEndingBlank\":\n {\n if (event[0] === 'enter') {\n if (listItem && !atMarker && !containerBalance && !firstBlankLineIndex) {\n firstBlankLineIndex = index;\n }\n atMarker = undefined;\n }\n break;\n }\n case \"linePrefix\":\n case \"listItemValue\":\n case \"listItemMarker\":\n case \"listItemPrefix\":\n case \"listItemPrefixWhitespace\":\n {\n // Empty.\n\n break;\n }\n default:\n {\n atMarker = undefined;\n }\n }\n if (!containerBalance && event[0] === 'enter' && event[1].type === \"listItemPrefix\" || containerBalance === -1 && event[0] === 'exit' && (event[1].type === \"listUnordered\" || event[1].type === \"listOrdered\")) {\n if (listItem) {\n let tailIndex = index;\n lineIndex = undefined;\n while (tailIndex--) {\n const tailEvent = events[tailIndex];\n if (tailEvent[1].type === \"lineEnding\" || tailEvent[1].type === \"lineEndingBlank\") {\n if (tailEvent[0] === 'exit') continue;\n if (lineIndex) {\n events[lineIndex][1].type = \"lineEndingBlank\";\n listSpread = true;\n }\n tailEvent[1].type = \"lineEnding\";\n lineIndex = tailIndex;\n } else if (tailEvent[1].type === \"linePrefix\" || tailEvent[1].type === \"blockQuotePrefix\" || tailEvent[1].type === \"blockQuotePrefixWhitespace\" || tailEvent[1].type === \"blockQuoteMarker\" || tailEvent[1].type === \"listItemIndent\") {\n // Empty\n } else {\n break;\n }\n }\n if (firstBlankLineIndex && (!lineIndex || firstBlankLineIndex < lineIndex)) {\n listItem._spread = true;\n }\n\n // Fix position.\n listItem.end = Object.assign({}, lineIndex ? events[lineIndex][1].start : event[1].end);\n events.splice(lineIndex || index, 0, ['exit', listItem, event[2]]);\n index++;\n length++;\n }\n\n // Create a new list item.\n if (event[1].type === \"listItemPrefix\") {\n /** @type {Token} */\n const item = {\n type: 'listItem',\n _spread: false,\n start: Object.assign({}, event[1].start),\n // @ts-expect-error: we’ll add `end` in a second.\n end: undefined\n };\n listItem = item;\n events.splice(index, 0, ['enter', item, event[2]]);\n index++;\n length++;\n firstBlankLineIndex = undefined;\n atMarker = true;\n }\n }\n }\n events[start][1]._spread = listSpread;\n return length;\n }\n\n /**\n * Create an opener handle.\n *\n * @param {(token: Token) => Nodes} create\n * Create a node.\n * @param {Handle | undefined} [and]\n * Optional function to also run.\n * @returns {Handle}\n * Handle.\n */\n function opener(create, and) {\n return open;\n\n /**\n * @this {CompileContext}\n * @param {Token} token\n * @returns {undefined}\n */\n function open(token) {\n enter.call(this, create(token), token);\n if (and) and.call(this, token);\n }\n }\n\n /**\n * @type {CompileContext['buffer']}\n */\n function buffer() {\n this.stack.push({\n type: 'fragment',\n children: []\n });\n }\n\n /**\n * @type {CompileContext['enter']}\n */\n function enter(node, token, errorHandler) {\n const parent = this.stack[this.stack.length - 1];\n /** @type {Array} */\n const siblings = parent.children;\n siblings.push(node);\n this.stack.push(node);\n this.tokenStack.push([token, errorHandler || undefined]);\n node.position = {\n start: point(token.start),\n // @ts-expect-error: `end` will be patched later.\n end: undefined\n };\n }\n\n /**\n * Create a closer handle.\n *\n * @param {Handle | undefined} [and]\n * Optional function to also run.\n * @returns {Handle}\n * Handle.\n */\n function closer(and) {\n return close;\n\n /**\n * @this {CompileContext}\n * @param {Token} token\n * @returns {undefined}\n */\n function close(token) {\n if (and) and.call(this, token);\n exit.call(this, token);\n }\n }\n\n /**\n * @type {CompileContext['exit']}\n */\n function exit(token, onExitError) {\n const node = this.stack.pop();\n const open = this.tokenStack.pop();\n if (!open) {\n throw new Error('Cannot close `' + token.type + '` (' + stringifyPosition({\n start: token.start,\n end: token.end\n }) + '): it’s not open');\n } else if (open[0].type !== token.type) {\n if (onExitError) {\n onExitError.call(this, token, open[0]);\n } else {\n const handler = open[1] || defaultOnError;\n handler.call(this, token, open[0]);\n }\n }\n node.position.end = point(token.end);\n }\n\n /**\n * @type {CompileContext['resume']}\n */\n function resume() {\n return toString(this.stack.pop());\n }\n\n //\n // Handlers.\n //\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onenterlistordered() {\n this.data.expectingFirstListItemValue = true;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onenterlistitemvalue(token) {\n if (this.data.expectingFirstListItemValue) {\n const ancestor = this.stack[this.stack.length - 2];\n ancestor.start = Number.parseInt(this.sliceSerialize(token), 10);\n this.data.expectingFirstListItemValue = undefined;\n }\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitcodefencedfenceinfo() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.lang = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitcodefencedfencemeta() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.meta = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitcodefencedfence() {\n // Exit if this is the closing fence.\n if (this.data.flowCodeInside) return;\n this.buffer();\n this.data.flowCodeInside = true;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitcodefenced() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.value = data.replace(/^(\\r?\\n|\\r)|(\\r?\\n|\\r)$/g, '');\n this.data.flowCodeInside = undefined;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitcodeindented() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.value = data.replace(/(\\r?\\n|\\r)$/g, '');\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitdefinitionlabelstring(token) {\n const label = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.label = label;\n node.identifier = normalizeIdentifier(this.sliceSerialize(token)).toLowerCase();\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitdefinitiontitlestring() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.title = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitdefinitiondestinationstring() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.url = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitatxheadingsequence(token) {\n const node = this.stack[this.stack.length - 1];\n if (!node.depth) {\n const depth = this.sliceSerialize(token).length;\n node.depth = depth;\n }\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitsetextheadingtext() {\n this.data.setextHeadingSlurpLineEnding = true;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitsetextheadinglinesequence(token) {\n const node = this.stack[this.stack.length - 1];\n node.depth = this.sliceSerialize(token).codePointAt(0) === 61 ? 1 : 2;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitsetextheading() {\n this.data.setextHeadingSlurpLineEnding = undefined;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onenterdata(token) {\n const node = this.stack[this.stack.length - 1];\n /** @type {Array} */\n const siblings = node.children;\n let tail = siblings[siblings.length - 1];\n if (!tail || tail.type !== 'text') {\n // Add a new text node.\n tail = text();\n tail.position = {\n start: point(token.start),\n // @ts-expect-error: we’ll add `end` later.\n end: undefined\n };\n siblings.push(tail);\n }\n this.stack.push(tail);\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitdata(token) {\n const tail = this.stack.pop();\n tail.value += this.sliceSerialize(token);\n tail.position.end = point(token.end);\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitlineending(token) {\n const context = this.stack[this.stack.length - 1];\n // If we’re at a hard break, include the line ending in there.\n if (this.data.atHardBreak) {\n const tail = context.children[context.children.length - 1];\n tail.position.end = point(token.end);\n this.data.atHardBreak = undefined;\n return;\n }\n if (!this.data.setextHeadingSlurpLineEnding && config.canContainEols.includes(context.type)) {\n onenterdata.call(this, token);\n onexitdata.call(this, token);\n }\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexithardbreak() {\n this.data.atHardBreak = true;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexithtmlflow() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.value = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexithtmltext() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.value = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitcodetext() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.value = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitlink() {\n const node = this.stack[this.stack.length - 1];\n // Note: there are also `identifier` and `label` fields on this link node!\n // These are used / cleaned here.\n\n // To do: clean.\n if (this.data.inReference) {\n /** @type {ReferenceType} */\n const referenceType = this.data.referenceType || 'shortcut';\n node.type += 'Reference';\n // @ts-expect-error: mutate.\n node.referenceType = referenceType;\n // @ts-expect-error: mutate.\n delete node.url;\n delete node.title;\n } else {\n // @ts-expect-error: mutate.\n delete node.identifier;\n // @ts-expect-error: mutate.\n delete node.label;\n }\n this.data.referenceType = undefined;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitimage() {\n const node = this.stack[this.stack.length - 1];\n // Note: there are also `identifier` and `label` fields on this link node!\n // These are used / cleaned here.\n\n // To do: clean.\n if (this.data.inReference) {\n /** @type {ReferenceType} */\n const referenceType = this.data.referenceType || 'shortcut';\n node.type += 'Reference';\n // @ts-expect-error: mutate.\n node.referenceType = referenceType;\n // @ts-expect-error: mutate.\n delete node.url;\n delete node.title;\n } else {\n // @ts-expect-error: mutate.\n delete node.identifier;\n // @ts-expect-error: mutate.\n delete node.label;\n }\n this.data.referenceType = undefined;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitlabeltext(token) {\n const string = this.sliceSerialize(token);\n const ancestor = this.stack[this.stack.length - 2];\n // @ts-expect-error: stash this on the node, as it might become a reference\n // later.\n ancestor.label = decodeString(string);\n // @ts-expect-error: same as above.\n ancestor.identifier = normalizeIdentifier(string).toLowerCase();\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitlabel() {\n const fragment = this.stack[this.stack.length - 1];\n const value = this.resume();\n const node = this.stack[this.stack.length - 1];\n // Assume a reference.\n this.data.inReference = true;\n if (node.type === 'link') {\n /** @type {Array} */\n const children = fragment.children;\n node.children = children;\n } else {\n node.alt = value;\n }\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitresourcedestinationstring() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.url = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitresourcetitlestring() {\n const data = this.resume();\n const node = this.stack[this.stack.length - 1];\n node.title = data;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitresource() {\n this.data.inReference = undefined;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onenterreference() {\n this.data.referenceType = 'collapsed';\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitreferencestring(token) {\n const label = this.resume();\n const node = this.stack[this.stack.length - 1];\n // @ts-expect-error: stash this on the node, as it might become a reference\n // later.\n node.label = label;\n // @ts-expect-error: same as above.\n node.identifier = normalizeIdentifier(this.sliceSerialize(token)).toLowerCase();\n this.data.referenceType = 'full';\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitcharacterreferencemarker(token) {\n this.data.characterReferenceType = token.type;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitcharacterreferencevalue(token) {\n const data = this.sliceSerialize(token);\n const type = this.data.characterReferenceType;\n /** @type {string} */\n let value;\n if (type) {\n value = decodeNumericCharacterReference(data, type === \"characterReferenceMarkerNumeric\" ? 10 : 16);\n this.data.characterReferenceType = undefined;\n } else {\n const result = decodeNamedCharacterReference(data);\n value = result;\n }\n const tail = this.stack[this.stack.length - 1];\n tail.value += value;\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitcharacterreference(token) {\n const tail = this.stack.pop();\n tail.position.end = point(token.end);\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitautolinkprotocol(token) {\n onexitdata.call(this, token);\n const node = this.stack[this.stack.length - 1];\n node.url = this.sliceSerialize(token);\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitautolinkemail(token) {\n onexitdata.call(this, token);\n const node = this.stack[this.stack.length - 1];\n node.url = 'mailto:' + this.sliceSerialize(token);\n }\n\n //\n // Creaters.\n //\n\n /** @returns {Blockquote} */\n function blockQuote() {\n return {\n type: 'blockquote',\n children: []\n };\n }\n\n /** @returns {Code} */\n function codeFlow() {\n return {\n type: 'code',\n lang: null,\n meta: null,\n value: ''\n };\n }\n\n /** @returns {InlineCode} */\n function codeText() {\n return {\n type: 'inlineCode',\n value: ''\n };\n }\n\n /** @returns {Definition} */\n function definition() {\n return {\n type: 'definition',\n identifier: '',\n label: null,\n title: null,\n url: ''\n };\n }\n\n /** @returns {Emphasis} */\n function emphasis() {\n return {\n type: 'emphasis',\n children: []\n };\n }\n\n /** @returns {Heading} */\n function heading() {\n return {\n type: 'heading',\n // @ts-expect-error `depth` will be set later.\n depth: 0,\n children: []\n };\n }\n\n /** @returns {Break} */\n function hardBreak() {\n return {\n type: 'break'\n };\n }\n\n /** @returns {Html} */\n function html() {\n return {\n type: 'html',\n value: ''\n };\n }\n\n /** @returns {Image} */\n function image() {\n return {\n type: 'image',\n title: null,\n url: '',\n alt: null\n };\n }\n\n /** @returns {Link} */\n function link() {\n return {\n type: 'link',\n title: null,\n url: '',\n children: []\n };\n }\n\n /**\n * @param {Token} token\n * @returns {List}\n */\n function list(token) {\n return {\n type: 'list',\n ordered: token.type === 'listOrdered',\n start: null,\n spread: token._spread,\n children: []\n };\n }\n\n /**\n * @param {Token} token\n * @returns {ListItem}\n */\n function listItem(token) {\n return {\n type: 'listItem',\n spread: token._spread,\n checked: null,\n children: []\n };\n }\n\n /** @returns {Paragraph} */\n function paragraph() {\n return {\n type: 'paragraph',\n children: []\n };\n }\n\n /** @returns {Strong} */\n function strong() {\n return {\n type: 'strong',\n children: []\n };\n }\n\n /** @returns {Text} */\n function text() {\n return {\n type: 'text',\n value: ''\n };\n }\n\n /** @returns {ThematicBreak} */\n function thematicBreak() {\n return {\n type: 'thematicBreak'\n };\n }\n}\n\n/**\n * Copy a point-like value.\n *\n * @param {Point} d\n * Point-like value.\n * @returns {Point}\n * unist point.\n */\nfunction point(d) {\n return {\n line: d.line,\n column: d.column,\n offset: d.offset\n };\n}\n\n/**\n * @param {Config} combined\n * @param {Array | Extension>} extensions\n * @returns {undefined}\n */\nfunction configure(combined, extensions) {\n let index = -1;\n while (++index < extensions.length) {\n const value = extensions[index];\n if (Array.isArray(value)) {\n configure(combined, value);\n } else {\n extension(combined, value);\n }\n }\n}\n\n/**\n * @param {Config} combined\n * @param {Extension} extension\n * @returns {undefined}\n */\nfunction extension(combined, extension) {\n /** @type {keyof Extension} */\n let key;\n for (key in extension) {\n if (own.call(extension, key)) {\n switch (key) {\n case 'canContainEols':\n {\n const right = extension[key];\n if (right) {\n combined[key].push(...right);\n }\n break;\n }\n case 'transforms':\n {\n const right = extension[key];\n if (right) {\n combined[key].push(...right);\n }\n break;\n }\n case 'enter':\n case 'exit':\n {\n const right = extension[key];\n if (right) {\n Object.assign(combined[key], right);\n }\n break;\n }\n // No default\n }\n }\n }\n}\n\n/** @type {OnEnterError} */\nfunction defaultOnError(left, right) {\n if (left) {\n throw new Error('Cannot close `' + left.type + '` (' + stringifyPosition({\n start: left.start,\n end: left.end\n }) + '): a different token (`' + right.type + '`, ' + stringifyPosition({\n start: right.start,\n end: right.end\n }) + ') is open');\n } else {\n throw new Error('Cannot close document, a token (`' + right.type + '`, ' + stringifyPosition({\n start: right.start,\n end: right.end\n }) + ') is still open');\n }\n}","/**\n * @import {Event} from 'micromark-util-types'\n */\n\nimport { subtokenize } from 'micromark-util-subtokenize';\n\n/**\n * @param {Array} events\n * Events.\n * @returns {Array}\n * Events.\n */\nexport function postprocess(events) {\n while (!subtokenize(events)) {\n // Empty\n }\n return events;\n}","/**\n * @import {\n * Create,\n * FullNormalizedExtension,\n * InitialConstruct,\n * ParseContext,\n * ParseOptions\n * } from 'micromark-util-types'\n */\n\nimport { combineExtensions } from 'micromark-util-combine-extensions';\nimport { content } from './initialize/content.js';\nimport { document } from './initialize/document.js';\nimport { flow } from './initialize/flow.js';\nimport { string, text } from './initialize/text.js';\nimport * as defaultConstructs from './constructs.js';\nimport { createTokenizer } from './create-tokenizer.js';\n\n/**\n * @param {ParseOptions | null | undefined} [options]\n * Configuration (optional).\n * @returns {ParseContext}\n * Parser.\n */\nexport function parse(options) {\n const settings = options || {};\n const constructs = /** @type {FullNormalizedExtension} */\n combineExtensions([defaultConstructs, ...(settings.extensions || [])]);\n\n /** @type {ParseContext} */\n const parser = {\n constructs,\n content: create(content),\n defined: [],\n document: create(document),\n flow: create(flow),\n lazy: {},\n string: create(string),\n text: create(text)\n };\n return parser;\n\n /**\n * @param {InitialConstruct} initial\n * Construct to start with.\n * @returns {Create}\n * Create a tokenizer.\n */\n function create(initial) {\n return creator;\n /** @type {Create} */\n function creator(from) {\n return createTokenizer(parser, initial, from);\n }\n }\n}","/**\n * @typedef {import('mdast').Root} Root\n * @typedef {import('mdast-util-from-markdown').Options} FromMarkdownOptions\n * @typedef {import('unified').Parser} Parser\n * @typedef {import('unified').Processor} Processor\n */\n\n/**\n * @typedef {Omit} Options\n */\n\nimport {fromMarkdown} from 'mdast-util-from-markdown'\n\n/**\n * Aadd support for parsing from markdown.\n *\n * @param {Readonly | null | undefined} [options]\n * Configuration (optional).\n * @returns {undefined}\n * Nothing.\n */\nexport default function remarkParse(options) {\n /** @type {Processor} */\n // @ts-expect-error: TS in JSDoc generates wrong types if `this` is typed regularly.\n const self = this\n\n self.parser = parser\n\n /**\n * @type {Parser}\n */\n function parser(doc) {\n return fromMarkdown(doc, {\n ...self.data('settings'),\n ...options,\n // Note: these options are not in the readme.\n // The goal is for them to be set by plugins on `data` instead of being\n // passed by users.\n extensions: self.data('micromarkExtensions') || [],\n mdastExtensions: self.data('fromMarkdownExtensions') || []\n })\n }\n}\n","import { asciiAlphanumeric } from 'micromark-util-character';\nimport { encode } from 'micromark-util-encode';\n/**\n * Make a value safe for injection as a URL.\n *\n * This encodes unsafe characters with percent-encoding and skips already\n * encoded sequences (see `normalizeUri`).\n * Further unsafe characters are encoded as character references (see\n * `micromark-util-encode`).\n *\n * A regex of allowed protocols can be given, in which case the URL is\n * sanitized.\n * For example, `/^(https?|ircs?|mailto|xmpp)$/i` can be used for `a[href]`, or\n * `/^https?$/i` for `img[src]` (this is what `github.com` allows).\n * If the URL includes an unknown protocol (one not matched by `protocol`, such\n * as a dangerous example, `javascript:`), the value is ignored.\n *\n * @param {string | null | undefined} url\n * URI to sanitize.\n * @param {RegExp | null | undefined} [protocol]\n * Allowed protocols.\n * @returns {string}\n * Sanitized URI.\n */\nexport function sanitizeUri(url, protocol) {\n const value = encode(normalizeUri(url || ''));\n if (!protocol) {\n return value;\n }\n const colon = value.indexOf(':');\n const questionMark = value.indexOf('?');\n const numberSign = value.indexOf('#');\n const slash = value.indexOf('/');\n if (\n // If there is no protocol, it’s relative.\n colon < 0 ||\n // If the first colon is after a `?`, `#`, or `/`, it’s not a protocol.\n slash > -1 && colon > slash || questionMark > -1 && colon > questionMark || numberSign > -1 && colon > numberSign ||\n // It is a protocol, it should be allowed.\n protocol.test(value.slice(0, colon))) {\n return value;\n }\n return '';\n}\n\n/**\n * Normalize a URL.\n *\n * Encode unsafe characters with percent-encoding, skipping already encoded\n * sequences.\n *\n * @param {string} value\n * URI to normalize.\n * @returns {string}\n * Normalized URI.\n */\nexport function normalizeUri(value) {\n /** @type {Array} */\n const result = [];\n let index = -1;\n let start = 0;\n let skip = 0;\n while (++index < value.length) {\n const code = value.charCodeAt(index);\n /** @type {string} */\n let replace = '';\n\n // A correct percent encoded value.\n if (code === 37 && asciiAlphanumeric(value.charCodeAt(index + 1)) && asciiAlphanumeric(value.charCodeAt(index + 2))) {\n skip = 2;\n }\n // ASCII.\n else if (code < 128) {\n if (!/[!#$&-;=?-Z_a-z~]/.test(String.fromCharCode(code))) {\n replace = String.fromCharCode(code);\n }\n }\n // Astral.\n else if (code > 55_295 && code < 57_344) {\n const next = value.charCodeAt(index + 1);\n\n // A correct surrogate pair.\n if (code < 56_320 && next > 56_319 && next < 57_344) {\n replace = String.fromCharCode(code, next);\n skip = 1;\n }\n // Lone surrogate.\n else {\n replace = \"\\uFFFD\";\n }\n }\n // Unicode.\n else {\n replace = String.fromCharCode(code);\n }\n if (replace) {\n result.push(value.slice(start, index), encodeURIComponent(replace));\n start = index + skip + 1;\n replace = '';\n }\n if (skip) {\n index += skip;\n skip = 0;\n }\n }\n return result.join('') + value.slice(start);\n}","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementContent} ElementContent\n *\n * @typedef {import('./state.js').State} State\n */\n\n/**\n * @callback FootnoteBackContentTemplate\n * Generate content for the backreference dynamically.\n *\n * For the following markdown:\n *\n * ```markdown\n * Alpha[^micromark], bravo[^micromark], and charlie[^remark].\n *\n * [^remark]: things about remark\n * [^micromark]: things about micromark\n * ```\n *\n * This function will be called with:\n *\n * * `0` and `0` for the backreference from `things about micromark` to\n * `alpha`, as it is the first used definition, and the first call to it\n * * `0` and `1` for the backreference from `things about micromark` to\n * `bravo`, as it is the first used definition, and the second call to it\n * * `1` and `0` for the backreference from `things about remark` to\n * `charlie`, as it is the second used definition\n * @param {number} referenceIndex\n * Index of the definition in the order that they are first referenced,\n * 0-indexed.\n * @param {number} rereferenceIndex\n * Index of calls to the same definition, 0-indexed.\n * @returns {Array | ElementContent | string}\n * Content for the backreference when linking back from definitions to their\n * reference.\n *\n * @callback FootnoteBackLabelTemplate\n * Generate a back label dynamically.\n *\n * For the following markdown:\n *\n * ```markdown\n * Alpha[^micromark], bravo[^micromark], and charlie[^remark].\n *\n * [^remark]: things about remark\n * [^micromark]: things about micromark\n * ```\n *\n * This function will be called with:\n *\n * * `0` and `0` for the backreference from `things about micromark` to\n * `alpha`, as it is the first used definition, and the first call to it\n * * `0` and `1` for the backreference from `things about micromark` to\n * `bravo`, as it is the first used definition, and the second call to it\n * * `1` and `0` for the backreference from `things about remark` to\n * `charlie`, as it is the second used definition\n * @param {number} referenceIndex\n * Index of the definition in the order that they are first referenced,\n * 0-indexed.\n * @param {number} rereferenceIndex\n * Index of calls to the same definition, 0-indexed.\n * @returns {string}\n * Back label to use when linking back from definitions to their reference.\n */\n\nimport structuredClone from '@ungap/structured-clone'\nimport {normalizeUri} from 'micromark-util-sanitize-uri'\n\n/**\n * Generate the default content that GitHub uses on backreferences.\n *\n * @param {number} _\n * Index of the definition in the order that they are first referenced,\n * 0-indexed.\n * @param {number} rereferenceIndex\n * Index of calls to the same definition, 0-indexed.\n * @returns {Array}\n * Content.\n */\nexport function defaultFootnoteBackContent(_, rereferenceIndex) {\n /** @type {Array} */\n const result = [{type: 'text', value: '↩'}]\n\n if (rereferenceIndex > 1) {\n result.push({\n type: 'element',\n tagName: 'sup',\n properties: {},\n children: [{type: 'text', value: String(rereferenceIndex)}]\n })\n }\n\n return result\n}\n\n/**\n * Generate the default label that GitHub uses on backreferences.\n *\n * @param {number} referenceIndex\n * Index of the definition in the order that they are first referenced,\n * 0-indexed.\n * @param {number} rereferenceIndex\n * Index of calls to the same definition, 0-indexed.\n * @returns {string}\n * Label.\n */\nexport function defaultFootnoteBackLabel(referenceIndex, rereferenceIndex) {\n return (\n 'Back to reference ' +\n (referenceIndex + 1) +\n (rereferenceIndex > 1 ? '-' + rereferenceIndex : '')\n )\n}\n\n/**\n * Generate a hast footer for called footnote definitions.\n *\n * @param {State} state\n * Info passed around.\n * @returns {Element | undefined}\n * `section` element or `undefined`.\n */\n// eslint-disable-next-line complexity\nexport function footer(state) {\n const clobberPrefix =\n typeof state.options.clobberPrefix === 'string'\n ? state.options.clobberPrefix\n : 'user-content-'\n const footnoteBackContent =\n state.options.footnoteBackContent || defaultFootnoteBackContent\n const footnoteBackLabel =\n state.options.footnoteBackLabel || defaultFootnoteBackLabel\n const footnoteLabel = state.options.footnoteLabel || 'Footnotes'\n const footnoteLabelTagName = state.options.footnoteLabelTagName || 'h2'\n const footnoteLabelProperties = state.options.footnoteLabelProperties || {\n className: ['sr-only']\n }\n /** @type {Array} */\n const listItems = []\n let referenceIndex = -1\n\n while (++referenceIndex < state.footnoteOrder.length) {\n const definition = state.footnoteById.get(\n state.footnoteOrder[referenceIndex]\n )\n\n if (!definition) {\n continue\n }\n\n const content = state.all(definition)\n const id = String(definition.identifier).toUpperCase()\n const safeId = normalizeUri(id.toLowerCase())\n let rereferenceIndex = 0\n /** @type {Array} */\n const backReferences = []\n const counts = state.footnoteCounts.get(id)\n\n // eslint-disable-next-line no-unmodified-loop-condition\n while (counts !== undefined && ++rereferenceIndex <= counts) {\n if (backReferences.length > 0) {\n backReferences.push({type: 'text', value: ' '})\n }\n\n let children =\n typeof footnoteBackContent === 'string'\n ? footnoteBackContent\n : footnoteBackContent(referenceIndex, rereferenceIndex)\n\n if (typeof children === 'string') {\n children = {type: 'text', value: children}\n }\n\n backReferences.push({\n type: 'element',\n tagName: 'a',\n properties: {\n href:\n '#' +\n clobberPrefix +\n 'fnref-' +\n safeId +\n (rereferenceIndex > 1 ? '-' + rereferenceIndex : ''),\n dataFootnoteBackref: '',\n ariaLabel:\n typeof footnoteBackLabel === 'string'\n ? footnoteBackLabel\n : footnoteBackLabel(referenceIndex, rereferenceIndex),\n className: ['data-footnote-backref']\n },\n children: Array.isArray(children) ? children : [children]\n })\n }\n\n const tail = content[content.length - 1]\n\n if (tail && tail.type === 'element' && tail.tagName === 'p') {\n const tailTail = tail.children[tail.children.length - 1]\n if (tailTail && tailTail.type === 'text') {\n tailTail.value += ' '\n } else {\n tail.children.push({type: 'text', value: ' '})\n }\n\n tail.children.push(...backReferences)\n } else {\n content.push(...backReferences)\n }\n\n /** @type {Element} */\n const listItem = {\n type: 'element',\n tagName: 'li',\n properties: {id: clobberPrefix + 'fn-' + safeId},\n children: state.wrap(content, true)\n }\n\n state.patch(definition, listItem)\n\n listItems.push(listItem)\n }\n\n if (listItems.length === 0) {\n return\n }\n\n return {\n type: 'element',\n tagName: 'section',\n properties: {dataFootnotes: true, className: ['footnotes']},\n children: [\n {\n type: 'element',\n tagName: footnoteLabelTagName,\n properties: {\n ...structuredClone(footnoteLabelProperties),\n id: 'footnote-label'\n },\n children: [{type: 'text', value: footnoteLabel}]\n },\n {type: 'text', value: '\\n'},\n {\n type: 'element',\n tagName: 'ol',\n properties: {},\n children: state.wrap(listItems, true)\n },\n {type: 'text', value: '\\n'}\n ]\n }\n}\n","/**\n * @typedef {import('hast').ElementContent} ElementContent\n *\n * @typedef {import('mdast').Nodes} Nodes\n * @typedef {import('mdast').Reference} Reference\n *\n * @typedef {import('./state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Return the content of a reference without definition as plain text.\n *\n * @param {State} state\n * Info passed around.\n * @param {Extract} node\n * Reference node (image, link).\n * @returns {Array}\n * hast content.\n */\nexport function revert(state, node) {\n const subtype = node.referenceType\n let suffix = ']'\n\n if (subtype === 'collapsed') {\n suffix += '[]'\n } else if (subtype === 'full') {\n suffix += '[' + (node.label || node.identifier) + ']'\n }\n\n if (node.type === 'imageReference') {\n return [{type: 'text', value: '![' + node.alt + suffix}]\n }\n\n const contents = state.all(node)\n const head = contents[0]\n\n if (head && head.type === 'text') {\n head.value = '[' + head.value\n } else {\n contents.unshift({type: 'text', value: '['})\n }\n\n const tail = contents[contents.length - 1]\n\n if (tail && tail.type === 'text') {\n tail.value += suffix\n } else {\n contents.push({type: 'text', value: suffix})\n }\n\n return contents\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementContent} ElementContent\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').ListItem} ListItem\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `listItem` node into hast.\n *\n * @param {State} state\n * Info passed around.\n * @param {ListItem} node\n * mdast node.\n * @param {Parents | undefined} parent\n * Parent of `node`.\n * @returns {Element}\n * hast node.\n */\nexport function listItem(state, node, parent) {\n const results = state.all(node)\n const loose = parent ? listLoose(parent) : listItemLoose(node)\n /** @type {Properties} */\n const properties = {}\n /** @type {Array} */\n const children = []\n\n if (typeof node.checked === 'boolean') {\n const head = results[0]\n /** @type {Element} */\n let paragraph\n\n if (head && head.type === 'element' && head.tagName === 'p') {\n paragraph = head\n } else {\n paragraph = {type: 'element', tagName: 'p', properties: {}, children: []}\n results.unshift(paragraph)\n }\n\n if (paragraph.children.length > 0) {\n paragraph.children.unshift({type: 'text', value: ' '})\n }\n\n paragraph.children.unshift({\n type: 'element',\n tagName: 'input',\n properties: {type: 'checkbox', checked: node.checked, disabled: true},\n children: []\n })\n\n // According to github-markdown-css, this class hides bullet.\n // See: .\n properties.className = ['task-list-item']\n }\n\n let index = -1\n\n while (++index < results.length) {\n const child = results[index]\n\n // Add eols before nodes, except if this is a loose, first paragraph.\n if (\n loose ||\n index !== 0 ||\n child.type !== 'element' ||\n child.tagName !== 'p'\n ) {\n children.push({type: 'text', value: '\\n'})\n }\n\n if (child.type === 'element' && child.tagName === 'p' && !loose) {\n children.push(...child.children)\n } else {\n children.push(child)\n }\n }\n\n const tail = results[results.length - 1]\n\n // Add a final eol.\n if (tail && (loose || tail.type !== 'element' || tail.tagName !== 'p')) {\n children.push({type: 'text', value: '\\n'})\n }\n\n /** @type {Element} */\n const result = {type: 'element', tagName: 'li', properties, children}\n state.patch(node, result)\n return state.applyData(node, result)\n}\n\n/**\n * @param {Parents} node\n * @return {Boolean}\n */\nfunction listLoose(node) {\n let loose = false\n if (node.type === 'list') {\n loose = node.spread || false\n const children = node.children\n let index = -1\n\n while (!loose && ++index < children.length) {\n loose = listItemLoose(children[index])\n }\n }\n\n return loose\n}\n\n/**\n * @param {ListItem} node\n * @return {Boolean}\n */\nfunction listItemLoose(node) {\n const spread = node.spread\n\n return spread === null || spread === undefined\n ? node.children.length > 1\n : spread\n}\n","const tab = 9 /* `\\t` */\nconst space = 32 /* ` ` */\n\n/**\n * Remove initial and final spaces and tabs at the line breaks in `value`.\n * Does not trim initial and final spaces and tabs of the value itself.\n *\n * @param {string} value\n * Value to trim.\n * @returns {string}\n * Trimmed value.\n */\nexport function trimLines(value) {\n const source = String(value)\n const search = /\\r?\\n|\\r/g\n let match = search.exec(source)\n let last = 0\n /** @type {Array} */\n const lines = []\n\n while (match) {\n lines.push(\n trimLine(source.slice(last, match.index), last > 0, true),\n match[0]\n )\n\n last = match.index + match[0].length\n match = search.exec(source)\n }\n\n lines.push(trimLine(source.slice(last), last > 0, false))\n\n return lines.join('')\n}\n\n/**\n * @param {string} value\n * Line to trim.\n * @param {boolean} start\n * Whether to trim the start of the line.\n * @param {boolean} end\n * Whether to trim the end of the line.\n * @returns {string}\n * Trimmed line.\n */\nfunction trimLine(value, start, end) {\n let startIndex = 0\n let endIndex = value.length\n\n if (start) {\n let code = value.codePointAt(startIndex)\n\n while (code === tab || code === space) {\n startIndex++\n code = value.codePointAt(startIndex)\n }\n }\n\n if (end) {\n let code = value.codePointAt(endIndex - 1)\n\n while (code === tab || code === space) {\n endIndex--\n code = value.codePointAt(endIndex - 1)\n }\n }\n\n return endIndex > startIndex ? value.slice(startIndex, endIndex) : ''\n}\n","import {blockquote} from './blockquote.js'\nimport {hardBreak} from './break.js'\nimport {code} from './code.js'\nimport {strikethrough} from './delete.js'\nimport {emphasis} from './emphasis.js'\nimport {footnoteReference} from './footnote-reference.js'\nimport {heading} from './heading.js'\nimport {html} from './html.js'\nimport {imageReference} from './image-reference.js'\nimport {image} from './image.js'\nimport {inlineCode} from './inline-code.js'\nimport {linkReference} from './link-reference.js'\nimport {link} from './link.js'\nimport {listItem} from './list-item.js'\nimport {list} from './list.js'\nimport {paragraph} from './paragraph.js'\nimport {root} from './root.js'\nimport {strong} from './strong.js'\nimport {table} from './table.js'\nimport {tableRow} from './table-row.js'\nimport {tableCell} from './table-cell.js'\nimport {text} from './text.js'\nimport {thematicBreak} from './thematic-break.js'\n\n/**\n * Default handlers for nodes.\n *\n * @satisfies {import('../state.js').Handlers}\n */\nexport const handlers = {\n blockquote,\n break: hardBreak,\n code,\n delete: strikethrough,\n emphasis,\n footnoteReference,\n heading,\n html,\n imageReference,\n image,\n inlineCode,\n linkReference,\n link,\n listItem,\n list,\n paragraph,\n // @ts-expect-error: root is different, but hard to type.\n root,\n strong,\n table,\n tableCell,\n tableRow,\n text,\n thematicBreak,\n toml: ignore,\n yaml: ignore,\n definition: ignore,\n footnoteDefinition: ignore\n}\n\n// Return nothing for nodes that are ignored.\nfunction ignore() {\n return undefined\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Blockquote} Blockquote\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `blockquote` node into hast.\n *\n * @param {State} state\n * Info passed around.\n * @param {Blockquote} node\n * mdast node.\n * @returns {Element}\n * hast node.\n */\nexport function blockquote(state, node) {\n /** @type {Element} */\n const result = {\n type: 'element',\n tagName: 'blockquote',\n properties: {},\n children: state.wrap(state.all(node), true)\n }\n state.patch(node, result)\n return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Text} Text\n * @typedef {import('mdast').Break} Break\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `break` node into hast.\n *\n * @param {State} state\n * Info passed around.\n * @param {Break} node\n * mdast node.\n * @returns {Array}\n * hast element content.\n */\nexport function hardBreak(state, node) {\n /** @type {Element} */\n const result = {type: 'element', tagName: 'br', properties: {}, children: []}\n state.patch(node, result)\n return [state.applyData(node, result), {type: 'text', value: '\\n'}]\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').Code} Code\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `code` node into hast.\n *\n * @param {State} state\n * Info passed around.\n * @param {Code} node\n * mdast node.\n * @returns {Element}\n * hast node.\n */\nexport function code(state, node) {\n const value = node.value ? node.value + '\\n' : ''\n /** @type {Properties} */\n const properties = {}\n\n if (node.lang) {\n properties.className = ['language-' + node.lang]\n }\n\n // Create ``.\n /** @type {Element} */\n let result = {\n type: 'element',\n tagName: 'code',\n properties,\n children: [{type: 'text', value}]\n }\n\n if (node.meta) {\n result.data = {meta: node.meta}\n }\n\n state.patch(node, result)\n result = state.applyData(node, result)\n\n // Create `
`.\n  result = {type: 'element', tagName: 'pre', properties: {}, children: [result]}\n  state.patch(node, result)\n  return result\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Delete} Delete\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `delete` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Delete} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function strikethrough(state, node) {\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'del',\n    properties: {},\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Emphasis} Emphasis\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `emphasis` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Emphasis} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function emphasis(state, node) {\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'em',\n    properties: {},\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').FootnoteReference} FootnoteReference\n * @typedef {import('../state.js').State} State\n */\n\nimport {normalizeUri} from 'micromark-util-sanitize-uri'\n\n/**\n * Turn an mdast `footnoteReference` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {FootnoteReference} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function footnoteReference(state, node) {\n  const clobberPrefix =\n    typeof state.options.clobberPrefix === 'string'\n      ? state.options.clobberPrefix\n      : 'user-content-'\n  const id = String(node.identifier).toUpperCase()\n  const safeId = normalizeUri(id.toLowerCase())\n  const index = state.footnoteOrder.indexOf(id)\n  /** @type {number} */\n  let counter\n\n  let reuseCounter = state.footnoteCounts.get(id)\n\n  if (reuseCounter === undefined) {\n    reuseCounter = 0\n    state.footnoteOrder.push(id)\n    counter = state.footnoteOrder.length\n  } else {\n    counter = index + 1\n  }\n\n  reuseCounter += 1\n  state.footnoteCounts.set(id, reuseCounter)\n\n  /** @type {Element} */\n  const link = {\n    type: 'element',\n    tagName: 'a',\n    properties: {\n      href: '#' + clobberPrefix + 'fn-' + safeId,\n      id:\n        clobberPrefix +\n        'fnref-' +\n        safeId +\n        (reuseCounter > 1 ? '-' + reuseCounter : ''),\n      dataFootnoteRef: true,\n      ariaDescribedBy: ['footnote-label']\n    },\n    children: [{type: 'text', value: String(counter)}]\n  }\n  state.patch(node, link)\n\n  /** @type {Element} */\n  const sup = {\n    type: 'element',\n    tagName: 'sup',\n    properties: {},\n    children: [link]\n  }\n  state.patch(node, sup)\n  return state.applyData(node, sup)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Heading} Heading\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `heading` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Heading} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function heading(state, node) {\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'h' + node.depth,\n    properties: {},\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Html} Html\n * @typedef {import('../state.js').State} State\n * @typedef {import('../../index.js').Raw} Raw\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `html` node into hast (`raw` node in dangerous mode, otherwise\n * nothing).\n *\n * @param {State} state\n *   Info passed around.\n * @param {Html} node\n *   mdast node.\n * @returns {Element | Raw | undefined}\n *   hast node.\n */\nexport function html(state, node) {\n  if (state.options.allowDangerousHtml) {\n    /** @type {Raw} */\n    const result = {type: 'raw', value: node.value}\n    state.patch(node, result)\n    return state.applyData(node, result)\n  }\n\n  return undefined\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementContent} ElementContent\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').ImageReference} ImageReference\n * @typedef {import('../state.js').State} State\n */\n\nimport {normalizeUri} from 'micromark-util-sanitize-uri'\nimport {revert} from '../revert.js'\n\n/**\n * Turn an mdast `imageReference` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {ImageReference} node\n *   mdast node.\n * @returns {Array | ElementContent}\n *   hast node.\n */\nexport function imageReference(state, node) {\n  const id = String(node.identifier).toUpperCase()\n  const definition = state.definitionById.get(id)\n\n  if (!definition) {\n    return revert(state, node)\n  }\n\n  /** @type {Properties} */\n  const properties = {src: normalizeUri(definition.url || ''), alt: node.alt}\n\n  if (definition.title !== null && definition.title !== undefined) {\n    properties.title = definition.title\n  }\n\n  /** @type {Element} */\n  const result = {type: 'element', tagName: 'img', properties, children: []}\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').Image} Image\n * @typedef {import('../state.js').State} State\n */\n\nimport {normalizeUri} from 'micromark-util-sanitize-uri'\n\n/**\n * Turn an mdast `image` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Image} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function image(state, node) {\n  /** @type {Properties} */\n  const properties = {src: normalizeUri(node.url)}\n\n  if (node.alt !== null && node.alt !== undefined) {\n    properties.alt = node.alt\n  }\n\n  if (node.title !== null && node.title !== undefined) {\n    properties.title = node.title\n  }\n\n  /** @type {Element} */\n  const result = {type: 'element', tagName: 'img', properties, children: []}\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Text} Text\n * @typedef {import('mdast').InlineCode} InlineCode\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `inlineCode` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {InlineCode} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function inlineCode(state, node) {\n  /** @type {Text} */\n  const text = {type: 'text', value: node.value.replace(/\\r?\\n|\\r/g, ' ')}\n  state.patch(node, text)\n\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'code',\n    properties: {},\n    children: [text]\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementContent} ElementContent\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').LinkReference} LinkReference\n * @typedef {import('../state.js').State} State\n */\n\nimport {normalizeUri} from 'micromark-util-sanitize-uri'\nimport {revert} from '../revert.js'\n\n/**\n * Turn an mdast `linkReference` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {LinkReference} node\n *   mdast node.\n * @returns {Array | ElementContent}\n *   hast node.\n */\nexport function linkReference(state, node) {\n  const id = String(node.identifier).toUpperCase()\n  const definition = state.definitionById.get(id)\n\n  if (!definition) {\n    return revert(state, node)\n  }\n\n  /** @type {Properties} */\n  const properties = {href: normalizeUri(definition.url || '')}\n\n  if (definition.title !== null && definition.title !== undefined) {\n    properties.title = definition.title\n  }\n\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'a',\n    properties,\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').Link} Link\n * @typedef {import('../state.js').State} State\n */\n\nimport {normalizeUri} from 'micromark-util-sanitize-uri'\n\n/**\n * Turn an mdast `link` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Link} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function link(state, node) {\n  /** @type {Properties} */\n  const properties = {href: normalizeUri(node.url)}\n\n  if (node.title !== null && node.title !== undefined) {\n    properties.title = node.title\n  }\n\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'a',\n    properties,\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').List} List\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `list` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {List} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function list(state, node) {\n  /** @type {Properties} */\n  const properties = {}\n  const results = state.all(node)\n  let index = -1\n\n  if (typeof node.start === 'number' && node.start !== 1) {\n    properties.start = node.start\n  }\n\n  // Like GitHub, add a class for custom styling.\n  while (++index < results.length) {\n    const child = results[index]\n\n    if (\n      child.type === 'element' &&\n      child.tagName === 'li' &&\n      child.properties &&\n      Array.isArray(child.properties.className) &&\n      child.properties.className.includes('task-list-item')\n    ) {\n      properties.className = ['contains-task-list']\n      break\n    }\n  }\n\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: node.ordered ? 'ol' : 'ul',\n    properties,\n    children: state.wrap(results, true)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Paragraph} Paragraph\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `paragraph` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Paragraph} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function paragraph(state, node) {\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'p',\n    properties: {},\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Parents} HastParents\n * @typedef {import('hast').Root} HastRoot\n * @typedef {import('mdast').Root} MdastRoot\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `root` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {MdastRoot} node\n *   mdast node.\n * @returns {HastParents}\n *   hast node.\n */\nexport function root(state, node) {\n  /** @type {HastRoot} */\n  const result = {type: 'root', children: state.wrap(state.all(node))}\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Strong} Strong\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `strong` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Strong} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function strong(state, node) {\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'strong',\n    properties: {},\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').Table} Table\n * @typedef {import('../state.js').State} State\n */\n\nimport {pointEnd, pointStart} from 'unist-util-position'\n\n/**\n * Turn an mdast `table` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {Table} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function table(state, node) {\n  const rows = state.all(node)\n  const firstRow = rows.shift()\n  /** @type {Array} */\n  const tableContent = []\n\n  if (firstRow) {\n    /** @type {Element} */\n    const head = {\n      type: 'element',\n      tagName: 'thead',\n      properties: {},\n      children: state.wrap([firstRow], true)\n    }\n    state.patch(node.children[0], head)\n    tableContent.push(head)\n  }\n\n  if (rows.length > 0) {\n    /** @type {Element} */\n    const body = {\n      type: 'element',\n      tagName: 'tbody',\n      properties: {},\n      children: state.wrap(rows, true)\n    }\n\n    const start = pointStart(node.children[1])\n    const end = pointEnd(node.children[node.children.length - 1])\n    if (start && end) body.position = {start, end}\n    tableContent.push(body)\n  }\n\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'table',\n    properties: {},\n    children: state.wrap(tableContent, true)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').TableCell} TableCell\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `tableCell` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {TableCell} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function tableCell(state, node) {\n  // Note: this function is normally not called: see `table-row` for how rows\n  // and their cells are compiled.\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'td', // Assume body cell.\n    properties: {},\n    children: state.all(node)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementContent} ElementContent\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('mdast').TableRow} TableRow\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `tableRow` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {TableRow} node\n *   mdast node.\n * @param {Parents | undefined} parent\n *   Parent of `node`.\n * @returns {Element}\n *   hast node.\n */\nexport function tableRow(state, node, parent) {\n  const siblings = parent ? parent.children : undefined\n  // Generate a body row when without parent.\n  const rowIndex = siblings ? siblings.indexOf(node) : 1\n  const tagName = rowIndex === 0 ? 'th' : 'td'\n  // To do: option to use `style`?\n  const align = parent && parent.type === 'table' ? parent.align : undefined\n  const length = align ? align.length : node.children.length\n  let cellIndex = -1\n  /** @type {Array} */\n  const cells = []\n\n  while (++cellIndex < length) {\n    // Note: can also be undefined.\n    const cell = node.children[cellIndex]\n    /** @type {Properties} */\n    const properties = {}\n    const alignValue = align ? align[cellIndex] : undefined\n\n    if (alignValue) {\n      properties.align = alignValue\n    }\n\n    /** @type {Element} */\n    let result = {type: 'element', tagName, properties, children: []}\n\n    if (cell) {\n      result.children = state.all(cell)\n      state.patch(cell, result)\n      result = state.applyData(cell, result)\n    }\n\n    cells.push(result)\n  }\n\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'tr',\n    properties: {},\n    children: state.wrap(cells, true)\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} HastElement\n * @typedef {import('hast').Text} HastText\n * @typedef {import('mdast').Text} MdastText\n * @typedef {import('../state.js').State} State\n */\n\nimport {trimLines} from 'trim-lines'\n\n/**\n * Turn an mdast `text` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {MdastText} node\n *   mdast node.\n * @returns {HastElement | HastText}\n *   hast node.\n */\nexport function text(state, node) {\n  /** @type {HastText} */\n  const result = {type: 'text', value: trimLines(String(node.value))}\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('mdast').ThematicBreak} ThematicBreak\n * @typedef {import('../state.js').State} State\n */\n\n// Make VS Code show references to the above types.\n''\n\n/**\n * Turn an mdast `thematicBreak` node into hast.\n *\n * @param {State} state\n *   Info passed around.\n * @param {ThematicBreak} node\n *   mdast node.\n * @returns {Element}\n *   hast node.\n */\nexport function thematicBreak(state, node) {\n  /** @type {Element} */\n  const result = {\n    type: 'element',\n    tagName: 'hr',\n    properties: {},\n    children: []\n  }\n  state.patch(node, result)\n  return state.applyData(node, result)\n}\n","/**\n * @typedef {import('hast').Element} HastElement\n * @typedef {import('hast').ElementContent} HastElementContent\n * @typedef {import('hast').Nodes} HastNodes\n * @typedef {import('hast').Properties} HastProperties\n * @typedef {import('hast').RootContent} HastRootContent\n * @typedef {import('hast').Text} HastText\n *\n * @typedef {import('mdast').Definition} MdastDefinition\n * @typedef {import('mdast').FootnoteDefinition} MdastFootnoteDefinition\n * @typedef {import('mdast').Nodes} MdastNodes\n * @typedef {import('mdast').Parents} MdastParents\n *\n * @typedef {import('vfile').VFile} VFile\n *\n * @typedef {import('./footer.js').FootnoteBackContentTemplate} FootnoteBackContentTemplate\n * @typedef {import('./footer.js').FootnoteBackLabelTemplate} FootnoteBackLabelTemplate\n */\n\n/**\n * @callback Handler\n *   Handle a node.\n * @param {State} state\n *   Info passed around.\n * @param {any} node\n *   mdast node to handle.\n * @param {MdastParents | undefined} parent\n *   Parent of `node`.\n * @returns {Array | HastElementContent | undefined}\n *   hast node.\n *\n * @typedef {Partial>} Handlers\n *   Handle nodes.\n *\n * @typedef Options\n *   Configuration (optional).\n * @property {boolean | null | undefined} [allowDangerousHtml=false]\n *   Whether to persist raw HTML in markdown in the hast tree (default:\n *   `false`).\n * @property {string | null | undefined} [clobberPrefix='user-content-']\n *   Prefix to use before the `id` property on footnotes to prevent them from\n *   *clobbering* (default: `'user-content-'`).\n *\n *   Pass `''` for trusted markdown and when you are careful with\n *   polyfilling.\n *   You could pass a different prefix.\n *\n *   DOM clobbering is this:\n *\n *   ```html\n *   

\n * \n * ```\n *\n * The above example shows that elements are made available by browsers, by\n * their ID, on the `window` object.\n * This is a security risk because you might be expecting some other variable\n * at that place.\n * It can also break polyfills.\n * Using a prefix solves these problems.\n * @property {VFile | null | undefined} [file]\n * Corresponding virtual file representing the input document (optional).\n * @property {FootnoteBackContentTemplate | string | null | undefined} [footnoteBackContent]\n * Content of the backreference back to references (default: `defaultFootnoteBackContent`).\n *\n * The default value is:\n *\n * ```js\n * function defaultFootnoteBackContent(_, rereferenceIndex) {\n * const result = [{type: 'text', value: '↩'}]\n *\n * if (rereferenceIndex > 1) {\n * result.push({\n * type: 'element',\n * tagName: 'sup',\n * properties: {},\n * children: [{type: 'text', value: String(rereferenceIndex)}]\n * })\n * }\n *\n * return result\n * }\n * ```\n *\n * This content is used in the `a` element of each backreference (the `↩`\n * links).\n * @property {FootnoteBackLabelTemplate | string | null | undefined} [footnoteBackLabel]\n * Label to describe the backreference back to references (default:\n * `defaultFootnoteBackLabel`).\n *\n * The default value is:\n *\n * ```js\n * function defaultFootnoteBackLabel(referenceIndex, rereferenceIndex) {\n * return (\n * 'Back to reference ' +\n * (referenceIndex + 1) +\n * (rereferenceIndex > 1 ? '-' + rereferenceIndex : '')\n * )\n * }\n * ```\n *\n * Change it when the markdown is not in English.\n *\n * This label is used in the `ariaLabel` property on each backreference\n * (the `↩` links).\n * It affects users of assistive technology.\n * @property {string | null | undefined} [footnoteLabel='Footnotes']\n * Textual label to use for the footnotes section (default: `'Footnotes'`).\n *\n * Change it when the markdown is not in English.\n *\n * This label is typically hidden visually (assuming a `sr-only` CSS class\n * is defined that does that) and so affects screen readers only.\n * If you do have such a class, but want to show this section to everyone,\n * pass different properties with the `footnoteLabelProperties` option.\n * @property {HastProperties | null | undefined} [footnoteLabelProperties={className: ['sr-only']}]\n * Properties to use on the footnote label (default: `{className:\n * ['sr-only']}`).\n *\n * Change it to show the label and add other properties.\n *\n * This label is typically hidden visually (assuming an `sr-only` CSS class\n * is defined that does that) and so affects screen readers only.\n * If you do have such a class, but want to show this section to everyone,\n * pass an empty string.\n * You can also add different properties.\n *\n * > **Note**: `id: 'footnote-label'` is always added, because footnote\n * > calls use it with `aria-describedby` to provide an accessible label.\n * @property {string | null | undefined} [footnoteLabelTagName='h2']\n * HTML tag name to use for the footnote label element (default: `'h2'`).\n *\n * Change it to match your document structure.\n *\n * This label is typically hidden visually (assuming a `sr-only` CSS class\n * is defined that does that) and so affects screen readers only.\n * If you do have such a class, but want to show this section to everyone,\n * pass different properties with the `footnoteLabelProperties` option.\n * @property {Handlers | null | undefined} [handlers]\n * Extra handlers for nodes (optional).\n * @property {Array | null | undefined} [passThrough]\n * List of custom mdast node types to pass through (keep) in hast (note that\n * the node itself is passed, but eventual children are transformed)\n * (optional).\n * @property {Handler | null | undefined} [unknownHandler]\n * Handler for all unknown nodes (optional).\n *\n * @typedef State\n * Info passed around.\n * @property {(node: MdastNodes) => Array} all\n * Transform the children of an mdast parent to hast.\n * @property {(from: MdastNodes, to: Type) => HastElement | Type} applyData\n * Honor the `data` of `from`, and generate an element instead of `node`.\n * @property {Map} definitionById\n * Definitions by their identifier.\n * @property {Map} footnoteById\n * Footnote definitions by their identifier.\n * @property {Map} footnoteCounts\n * Counts for how often the same footnote was called.\n * @property {Array} footnoteOrder\n * Identifiers of order when footnote calls first appear in tree order.\n * @property {Handlers} handlers\n * Applied handlers.\n * @property {(node: MdastNodes, parent: MdastParents | undefined) => Array | HastElementContent | undefined} one\n * Transform an mdast node to hast.\n * @property {Options} options\n * Configuration.\n * @property {(from: MdastNodes, node: HastNodes) => undefined} patch\n * Copy a node’s positional info.\n * @property {(nodes: Array, loose?: boolean | undefined) => Array} wrap\n * Wrap `nodes` with line endings between each node, adds initial/final line endings when `loose`.\n */\n\nimport structuredClone from '@ungap/structured-clone'\nimport {visit} from 'unist-util-visit'\nimport {position} from 'unist-util-position'\nimport {handlers as defaultHandlers} from './handlers/index.js'\n\nconst own = {}.hasOwnProperty\n\n/** @type {Options} */\nconst emptyOptions = {}\n\n/**\n * Create `state` from an mdast tree.\n *\n * @param {MdastNodes} tree\n * mdast node to transform.\n * @param {Options | null | undefined} [options]\n * Configuration (optional).\n * @returns {State}\n * `state` function.\n */\nexport function createState(tree, options) {\n const settings = options || emptyOptions\n /** @type {Map} */\n const definitionById = new Map()\n /** @type {Map} */\n const footnoteById = new Map()\n /** @type {Map} */\n const footnoteCounts = new Map()\n /** @type {Handlers} */\n // @ts-expect-error: the root handler returns a root.\n // Hard to type.\n const handlers = {...defaultHandlers, ...settings.handlers}\n\n /** @type {State} */\n const state = {\n all,\n applyData,\n definitionById,\n footnoteById,\n footnoteCounts,\n footnoteOrder: [],\n handlers,\n one,\n options: settings,\n patch,\n wrap\n }\n\n visit(tree, function (node) {\n if (node.type === 'definition' || node.type === 'footnoteDefinition') {\n const map = node.type === 'definition' ? definitionById : footnoteById\n const id = String(node.identifier).toUpperCase()\n\n // Mimick CM behavior of link definitions.\n // See: .\n if (!map.has(id)) {\n // @ts-expect-error: node type matches map.\n map.set(id, node)\n }\n }\n })\n\n return state\n\n /**\n * Transform an mdast node into a hast node.\n *\n * @param {MdastNodes} node\n * mdast node.\n * @param {MdastParents | undefined} [parent]\n * Parent of `node`.\n * @returns {Array | HastElementContent | undefined}\n * Resulting hast node.\n */\n function one(node, parent) {\n const type = node.type\n const handle = state.handlers[type]\n\n if (own.call(state.handlers, type) && handle) {\n return handle(state, node, parent)\n }\n\n if (state.options.passThrough && state.options.passThrough.includes(type)) {\n if ('children' in node) {\n const {children, ...shallow} = node\n const result = structuredClone(shallow)\n // @ts-expect-error: TS doesn’t understand…\n result.children = state.all(node)\n // @ts-expect-error: TS doesn’t understand…\n return result\n }\n\n // @ts-expect-error: it’s custom.\n return structuredClone(node)\n }\n\n const unknown = state.options.unknownHandler || defaultUnknownHandler\n\n return unknown(state, node, parent)\n }\n\n /**\n * Transform the children of an mdast node into hast nodes.\n *\n * @param {MdastNodes} parent\n * mdast node to compile\n * @returns {Array}\n * Resulting hast nodes.\n */\n function all(parent) {\n /** @type {Array} */\n const values = []\n\n if ('children' in parent) {\n const nodes = parent.children\n let index = -1\n while (++index < nodes.length) {\n const result = state.one(nodes[index], parent)\n\n // To do: see if we van clean this? Can we merge texts?\n if (result) {\n if (index && nodes[index - 1].type === 'break') {\n if (!Array.isArray(result) && result.type === 'text') {\n result.value = trimMarkdownSpaceStart(result.value)\n }\n\n if (!Array.isArray(result) && result.type === 'element') {\n const head = result.children[0]\n\n if (head && head.type === 'text') {\n head.value = trimMarkdownSpaceStart(head.value)\n }\n }\n }\n\n if (Array.isArray(result)) {\n values.push(...result)\n } else {\n values.push(result)\n }\n }\n }\n }\n\n return values\n }\n}\n\n/**\n * Copy a node’s positional info.\n *\n * @param {MdastNodes} from\n * mdast node to copy from.\n * @param {HastNodes} to\n * hast node to copy into.\n * @returns {undefined}\n * Nothing.\n */\nfunction patch(from, to) {\n if (from.position) to.position = position(from)\n}\n\n/**\n * Honor the `data` of `from` and maybe generate an element instead of `to`.\n *\n * @template {HastNodes} Type\n * Node type.\n * @param {MdastNodes} from\n * mdast node to use data from.\n * @param {Type} to\n * hast node to change.\n * @returns {HastElement | Type}\n * Nothing.\n */\nfunction applyData(from, to) {\n /** @type {HastElement | Type} */\n let result = to\n\n // Handle `data.hName`, `data.hProperties, `data.hChildren`.\n if (from && from.data) {\n const hName = from.data.hName\n const hChildren = from.data.hChildren\n const hProperties = from.data.hProperties\n\n if (typeof hName === 'string') {\n // Transforming the node resulted in an element with a different name\n // than wanted:\n if (result.type === 'element') {\n result.tagName = hName\n }\n // Transforming the node resulted in a non-element, which happens for\n // raw, text, and root nodes (unless custom handlers are passed).\n // The intent of `hName` is to create an element, but likely also to keep\n // the content around (otherwise: pass `hChildren`).\n else {\n /** @type {Array} */\n // @ts-expect-error: assume no doctypes in `root`.\n const children = 'children' in result ? result.children : [result]\n result = {type: 'element', tagName: hName, properties: {}, children}\n }\n }\n\n if (result.type === 'element' && hProperties) {\n Object.assign(result.properties, structuredClone(hProperties))\n }\n\n if (\n 'children' in result &&\n result.children &&\n hChildren !== null &&\n hChildren !== undefined\n ) {\n result.children = hChildren\n }\n }\n\n return result\n}\n\n/**\n * Transform an unknown node.\n *\n * @param {State} state\n * Info passed around.\n * @param {MdastNodes} node\n * Unknown mdast node.\n * @returns {HastElement | HastText}\n * Resulting hast node.\n */\nfunction defaultUnknownHandler(state, node) {\n const data = node.data || {}\n /** @type {HastElement | HastText} */\n const result =\n 'value' in node &&\n !(own.call(data, 'hProperties') || own.call(data, 'hChildren'))\n ? {type: 'text', value: node.value}\n : {\n type: 'element',\n tagName: 'div',\n properties: {},\n children: state.all(node)\n }\n\n state.patch(node, result)\n return state.applyData(node, result)\n}\n\n/**\n * Wrap `nodes` with line endings between each node.\n *\n * @template {HastRootContent} Type\n * Node type.\n * @param {Array} nodes\n * List of nodes to wrap.\n * @param {boolean | undefined} [loose=false]\n * Whether to add line endings at start and end (default: `false`).\n * @returns {Array}\n * Wrapped nodes.\n */\nexport function wrap(nodes, loose) {\n /** @type {Array} */\n const result = []\n let index = -1\n\n if (loose) {\n result.push({type: 'text', value: '\\n'})\n }\n\n while (++index < nodes.length) {\n if (index) result.push({type: 'text', value: '\\n'})\n result.push(nodes[index])\n }\n\n if (loose && nodes.length > 0) {\n result.push({type: 'text', value: '\\n'})\n }\n\n return result\n}\n\n/**\n * Trim spaces and tabs at the start of `value`.\n *\n * @param {string} value\n * Value to trim.\n * @returns {string}\n * Result.\n */\nfunction trimMarkdownSpaceStart(value) {\n let index = 0\n let code = value.charCodeAt(index)\n\n while (code === 9 || code === 32) {\n index++\n code = value.charCodeAt(index)\n }\n\n return value.slice(index)\n}\n","import objectWithoutPropertiesLoose from \"./objectWithoutPropertiesLoose.js\";\nfunction _objectWithoutProperties(e, t) {\n if (null == e) return {};\n var o,\n r,\n i = objectWithoutPropertiesLoose(e, t);\n if (Object.getOwnPropertySymbols) {\n var s = Object.getOwnPropertySymbols(e);\n for (r = 0; r < s.length; r++) o = s[r], t.includes(o) || {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]);\n }\n return i;\n}\nexport { _objectWithoutProperties as default };","/**\n * @typedef {import('hast').Nodes} HastNodes\n * @typedef {import('mdast').Nodes} MdastNodes\n * @typedef {import('./state.js').Options} Options\n */\n\nimport {ok as assert} from 'devlop'\nimport {footer} from './footer.js'\nimport {createState} from './state.js'\n\n/**\n * Transform mdast to hast.\n *\n * ##### Notes\n *\n * ###### HTML\n *\n * Raw HTML is available in mdast as `html` nodes and can be embedded in hast\n * as semistandard `raw` nodes.\n * Most utilities ignore `raw` nodes but two notable ones don’t:\n *\n * * `hast-util-to-html` also has an option `allowDangerousHtml` which will\n * output the raw HTML.\n * This is typically discouraged as noted by the option name but is useful\n * if you completely trust authors\n * * `hast-util-raw` can handle the raw embedded HTML strings by parsing them\n * into standard hast nodes (`element`, `text`, etc).\n * This is a heavy task as it needs a full HTML parser, but it is the only\n * way to support untrusted content\n *\n * ###### Footnotes\n *\n * Many options supported here relate to footnotes.\n * Footnotes are not specified by CommonMark, which we follow by default.\n * They are supported by GitHub, so footnotes can be enabled in markdown with\n * `mdast-util-gfm`.\n *\n * The options `footnoteBackLabel` and `footnoteLabel` define natural language\n * that explains footnotes, which is hidden for sighted users but shown to\n * assistive technology.\n * When your page is not in English, you must define translated values.\n *\n * Back references use ARIA attributes, but the section label itself uses a\n * heading that is hidden with an `sr-only` class.\n * To show it to sighted users, define different attributes in\n * `footnoteLabelProperties`.\n *\n * ###### Clobbering\n *\n * Footnotes introduces a problem, as it links footnote calls to footnote\n * definitions on the page through `id` attributes generated from user content,\n * which results in DOM clobbering.\n *\n * DOM clobbering is this:\n *\n * ```html\n *

\n * \n * ```\n *\n * Elements by their ID are made available by browsers on the `window` object,\n * which is a security risk.\n * Using a prefix solves this problem.\n *\n * More information on how to handle clobbering and the prefix is explained in\n * Example: headings (DOM clobbering) in `rehype-sanitize`.\n *\n * ###### Unknown nodes\n *\n * Unknown nodes are nodes with a type that isn’t in `handlers` or `passThrough`.\n * The default behavior for unknown nodes is:\n *\n * * when the node has a `value` (and doesn’t have `data.hName`,\n * `data.hProperties`, or `data.hChildren`, see later), create a hast `text`\n * node\n * * otherwise, create a `
` element (which could be changed with\n * `data.hName`), with its children mapped from mdast to hast as well\n *\n * This behavior can be changed by passing an `unknownHandler`.\n *\n * @param {MdastNodes} tree\n * mdast tree.\n * @param {Options | null | undefined} [options]\n * Configuration (optional).\n * @returns {HastNodes}\n * hast tree.\n */\nexport function toHast(tree, options) {\n const state = createState(tree, options)\n const node = state.one(tree, undefined)\n const foot = footer(state)\n /** @type {HastNodes} */\n const result = Array.isArray(node)\n ? {type: 'root', children: node}\n : node || {type: 'root', children: []}\n\n if (foot) {\n // If there’s a footer, there were definitions, meaning block\n // content.\n // So `result` is a parent node.\n assert('children' in result)\n result.children.push({type: 'text', value: '\\n'}, foot)\n }\n\n return result\n}\n","// Include `data` fields in mdast and `raw` nodes in hast.\n/// \n\n/**\n * @import {Root as HastRoot} from 'hast'\n * @import {Root as MdastRoot} from 'mdast'\n * @import {Options as ToHastOptions} from 'mdast-util-to-hast'\n * @import {Processor} from 'unified'\n * @import {VFile} from 'vfile'\n */\n\n/**\n * @typedef {Omit} Options\n *\n * @callback TransformBridge\n * Bridge-mode.\n *\n * Runs the destination with the new hast tree.\n * Discards result.\n * @param {MdastRoot} tree\n * Tree.\n * @param {VFile} file\n * File.\n * @returns {Promise}\n * Nothing.\n *\n * @callback TransformMutate\n * Mutate-mode.\n *\n * Further transformers run on the hast tree.\n * @param {MdastRoot} tree\n * Tree.\n * @param {VFile} file\n * File.\n * @returns {HastRoot}\n * Tree (hast).\n */\n\nimport {toHast} from 'mdast-util-to-hast'\n\n/**\n * Turn markdown into HTML.\n *\n * ##### Notes\n *\n * ###### Signature\n *\n * * if a processor is given, runs the (rehype) plugins used on it with a\n * hast tree, then discards the result (*bridge mode*)\n * * otherwise, returns a hast tree, the plugins used after `remarkRehype`\n * are rehype plugins (*mutate mode*)\n *\n * > 👉 **Note**: It’s highly unlikely that you want to pass a `processor`.\n *\n * ###### HTML\n *\n * Raw HTML is available in mdast as `html` nodes and can be embedded in hast\n * as semistandard `raw` nodes.\n * Most plugins ignore `raw` nodes but two notable ones don’t:\n *\n * * `rehype-stringify` also has an option `allowDangerousHtml` which will\n * output the raw HTML.\n * This is typically discouraged as noted by the option name but is useful if\n * you completely trust authors\n * * `rehype-raw` can handle the raw embedded HTML strings by parsing them\n * into standard hast nodes (`element`, `text`, etc).\n * This is a heavy task as it needs a full HTML parser, but it is the only way\n * to support untrusted content\n *\n * ###### Footnotes\n *\n * Many options supported here relate to footnotes.\n * Footnotes are not specified by CommonMark, which we follow by default.\n * They are supported by GitHub, so footnotes can be enabled in markdown with\n * `remark-gfm`.\n *\n * The options `footnoteBackLabel` and `footnoteLabel` define natural language\n * that explains footnotes, which is hidden for sighted users but shown to\n * assistive technology.\n * When your page is not in English, you must define translated values.\n *\n * Back references use ARIA attributes, but the section label itself uses a\n * heading that is hidden with an `sr-only` class.\n * To show it to sighted users, define different attributes in\n * `footnoteLabelProperties`.\n *\n * ###### Clobbering\n *\n * Footnotes introduces a problem, as it links footnote calls to footnote\n * definitions on the page through `id` attributes generated from user content,\n * which results in DOM clobbering.\n *\n * DOM clobbering is this:\n *\n * ```html\n *

\n * \n * ```\n *\n * Elements by their ID are made available by browsers on the `window` object,\n * which is a security risk.\n * Using a prefix solves this problem.\n *\n * More information on how to handle clobbering and the prefix is explained in\n * *Example: headings (DOM clobbering)* in `rehype-sanitize`.\n *\n * ###### Unknown nodes\n *\n * Unknown nodes are nodes with a type that isn’t in `handlers` or `passThrough`.\n * The default behavior for unknown nodes is:\n *\n * * when the node has a `value` (and doesn’t have `data.hName`,\n * `data.hProperties`, or `data.hChildren`, see later), create a hast `text`\n * node\n * * otherwise, create a `
` element (which could be changed with\n * `data.hName`), with its children mapped from mdast to hast as well\n *\n * This behavior can be changed by passing an `unknownHandler`.\n *\n * @overload\n * @param {Processor} processor\n * @param {Readonly | null | undefined} [options]\n * @returns {TransformBridge}\n *\n * @overload\n * @param {Readonly | null | undefined} [options]\n * @returns {TransformMutate}\n *\n * @param {Readonly | Processor | null | undefined} [destination]\n * Processor or configuration (optional).\n * @param {Readonly | null | undefined} [options]\n * When a processor was given, configuration (optional).\n * @returns {TransformBridge | TransformMutate}\n * Transform.\n */\nexport default function remarkRehype(destination, options) {\n if (destination && 'run' in destination) {\n /**\n * @type {TransformBridge}\n */\n return async function (tree, file) {\n // Cast because root in -> root out.\n const hastTree = /** @type {HastRoot} */ (\n toHast(tree, {file, ...options})\n )\n await destination.run(hastTree, file)\n }\n }\n\n /**\n * @type {TransformMutate}\n */\n return function (tree, file) {\n // Cast because root in -> root out.\n // To do: in the future, disallow ` || options` fallback.\n // With `unified-engine`, `destination` can be `undefined` but\n // `options` will be the file set.\n // We should not pass that as `options`.\n return /** @type {HastRoot} */ (\n toHast(tree, {file, ...(destination || options)})\n )\n }\n}\n","/**\n * Throw a given error.\n *\n * @param {Error|null|undefined} [error]\n * Maybe error.\n * @returns {asserts error is null|undefined}\n */\nexport function bail(error) {\n if (error) {\n throw error\n }\n}\n","export default function isPlainObject(value) {\n\tif (typeof value !== 'object' || value === null) {\n\t\treturn false;\n\t}\n\n\tconst prototype = Object.getPrototypeOf(value);\n\treturn (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in value) && !(Symbol.iterator in value);\n}\n","// To do: remove `void`s\n// To do: remove `null` from output of our APIs, allow it as user APIs.\n\n/**\n * @typedef {(error?: Error | null | undefined, ...output: Array) => void} Callback\n * Callback.\n *\n * @typedef {(...input: Array) => any} Middleware\n * Ware.\n *\n * @typedef Pipeline\n * Pipeline.\n * @property {Run} run\n * Run the pipeline.\n * @property {Use} use\n * Add middleware.\n *\n * @typedef {(...input: Array) => void} Run\n * Call all middleware.\n *\n * Calls `done` on completion with either an error or the output of the\n * last middleware.\n *\n * > 👉 **Note**: as the length of input defines whether async functions get a\n * > `next` function,\n * > it’s recommended to keep `input` at one value normally.\n\n *\n * @typedef {(fn: Middleware) => Pipeline} Use\n * Add middleware.\n */\n\n/**\n * Create new middleware.\n *\n * @returns {Pipeline}\n * Pipeline.\n */\nexport function trough() {\n /** @type {Array} */\n const fns = []\n /** @type {Pipeline} */\n const pipeline = {run, use}\n\n return pipeline\n\n /** @type {Run} */\n function run(...values) {\n let middlewareIndex = -1\n /** @type {Callback} */\n const callback = values.pop()\n\n if (typeof callback !== 'function') {\n throw new TypeError('Expected function as last argument, not ' + callback)\n }\n\n next(null, ...values)\n\n /**\n * Run the next `fn`, or we’re done.\n *\n * @param {Error | null | undefined} error\n * @param {Array} output\n */\n function next(error, ...output) {\n const fn = fns[++middlewareIndex]\n let index = -1\n\n if (error) {\n callback(error)\n return\n }\n\n // Copy non-nullish input into values.\n while (++index < values.length) {\n if (output[index] === null || output[index] === undefined) {\n output[index] = values[index]\n }\n }\n\n // Save the newly created `output` for the next call.\n values = output\n\n // Next or done.\n if (fn) {\n wrap(fn, next)(...output)\n } else {\n callback(null, ...output)\n }\n }\n }\n\n /** @type {Use} */\n function use(middelware) {\n if (typeof middelware !== 'function') {\n throw new TypeError(\n 'Expected `middelware` to be a function, not ' + middelware\n )\n }\n\n fns.push(middelware)\n return pipeline\n }\n}\n\n/**\n * Wrap `middleware` into a uniform interface.\n *\n * You can pass all input to the resulting function.\n * `callback` is then called with the output of `middleware`.\n *\n * If `middleware` accepts more arguments than the later given in input,\n * an extra `done` function is passed to it after that input,\n * which must be called by `middleware`.\n *\n * The first value in `input` is the main input value.\n * All other input values are the rest input values.\n * The values given to `callback` are the input values,\n * merged with every non-nullish output value.\n *\n * * if `middleware` throws an error,\n * returns a promise that is rejected,\n * or calls the given `done` function with an error,\n * `callback` is called with that error\n * * if `middleware` returns a value or returns a promise that is resolved,\n * that value is the main output value\n * * if `middleware` calls `done`,\n * all non-nullish values except for the first one (the error) overwrite the\n * output values\n *\n * @param {Middleware} middleware\n * Function to wrap.\n * @param {Callback} callback\n * Callback called with the output of `middleware`.\n * @returns {Run}\n * Wrapped middleware.\n */\nexport function wrap(middleware, callback) {\n /** @type {boolean} */\n let called\n\n return wrapped\n\n /**\n * Call `middleware`.\n * @this {any}\n * @param {Array} parameters\n * @returns {void}\n */\n function wrapped(...parameters) {\n const fnExpectsCallback = middleware.length > parameters.length\n /** @type {any} */\n let result\n\n if (fnExpectsCallback) {\n parameters.push(done)\n }\n\n try {\n result = middleware.apply(this, parameters)\n } catch (error) {\n const exception = /** @type {Error} */ (error)\n\n // Well, this is quite the pickle.\n // `middleware` received a callback and called it synchronously, but that\n // threw an error.\n // The only thing left to do is to throw the thing instead.\n if (fnExpectsCallback && called) {\n throw exception\n }\n\n return done(exception)\n }\n\n if (!fnExpectsCallback) {\n if (result && result.then && typeof result.then === 'function') {\n result.then(then, done)\n } else if (result instanceof Error) {\n done(result)\n } else {\n then(result)\n }\n }\n }\n\n /**\n * Call `callback`, only once.\n *\n * @type {Callback}\n */\n function done(error, ...output) {\n if (!called) {\n called = true\n callback(error, ...output)\n }\n }\n\n /**\n * Call `done` with one value.\n *\n * @param {any} [value]\n */\n function then(value) {\n done(null, value)\n }\n}\n","// A derivative work based on:\n// .\n// Which is licensed:\n//\n// MIT License\n//\n// Copyright (c) 2013 James Halliday\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy of\n// this software and associated documentation files (the \"Software\"), to deal in\n// the Software without restriction, including without limitation the rights to\n// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\n// the Software, and to permit persons to whom the Software is furnished to do so,\n// subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in all\n// copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\n// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\n// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\n// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n// A derivative work based on:\n//\n// Parts of that are extracted from Node’s internal `path` module:\n// .\n// Which is licensed:\n//\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nexport const minpath = {basename, dirname, extname, join, sep: '/'}\n\n/* eslint-disable max-depth, complexity */\n\n/**\n * Get the basename from a path.\n *\n * @param {string} path\n * File path.\n * @param {string | null | undefined} [extname]\n * Extension to strip.\n * @returns {string}\n * Stem or basename.\n */\nfunction basename(path, extname) {\n if (extname !== undefined && typeof extname !== 'string') {\n throw new TypeError('\"ext\" argument must be a string')\n }\n\n assertPath(path)\n let start = 0\n let end = -1\n let index = path.length\n /** @type {boolean | undefined} */\n let seenNonSlash\n\n if (\n extname === undefined ||\n extname.length === 0 ||\n extname.length > path.length\n ) {\n while (index--) {\n if (path.codePointAt(index) === 47 /* `/` */) {\n // If we reached a path separator that was not part of a set of path\n // separators at the end of the string, stop now.\n if (seenNonSlash) {\n start = index + 1\n break\n }\n } else if (end < 0) {\n // We saw the first non-path separator, mark this as the end of our\n // path component.\n seenNonSlash = true\n end = index + 1\n }\n }\n\n return end < 0 ? '' : path.slice(start, end)\n }\n\n if (extname === path) {\n return ''\n }\n\n let firstNonSlashEnd = -1\n let extnameIndex = extname.length - 1\n\n while (index--) {\n if (path.codePointAt(index) === 47 /* `/` */) {\n // If we reached a path separator that was not part of a set of path\n // separators at the end of the string, stop now.\n if (seenNonSlash) {\n start = index + 1\n break\n }\n } else {\n if (firstNonSlashEnd < 0) {\n // We saw the first non-path separator, remember this index in case\n // we need it if the extension ends up not matching.\n seenNonSlash = true\n firstNonSlashEnd = index + 1\n }\n\n if (extnameIndex > -1) {\n // Try to match the explicit extension.\n if (path.codePointAt(index) === extname.codePointAt(extnameIndex--)) {\n if (extnameIndex < 0) {\n // We matched the extension, so mark this as the end of our path\n // component\n end = index\n }\n } else {\n // Extension does not match, so our result is the entire path\n // component\n extnameIndex = -1\n end = firstNonSlashEnd\n }\n }\n }\n }\n\n if (start === end) {\n end = firstNonSlashEnd\n } else if (end < 0) {\n end = path.length\n }\n\n return path.slice(start, end)\n}\n\n/**\n * Get the dirname from a path.\n *\n * @param {string} path\n * File path.\n * @returns {string}\n * File path.\n */\nfunction dirname(path) {\n assertPath(path)\n\n if (path.length === 0) {\n return '.'\n }\n\n let end = -1\n let index = path.length\n /** @type {boolean | undefined} */\n let unmatchedSlash\n\n // Prefix `--` is important to not run on `0`.\n while (--index) {\n if (path.codePointAt(index) === 47 /* `/` */) {\n if (unmatchedSlash) {\n end = index\n break\n }\n } else if (!unmatchedSlash) {\n // We saw the first non-path separator\n unmatchedSlash = true\n }\n }\n\n return end < 0\n ? path.codePointAt(0) === 47 /* `/` */\n ? '/'\n : '.'\n : end === 1 && path.codePointAt(0) === 47 /* `/` */\n ? '//'\n : path.slice(0, end)\n}\n\n/**\n * Get an extname from a path.\n *\n * @param {string} path\n * File path.\n * @returns {string}\n * Extname.\n */\nfunction extname(path) {\n assertPath(path)\n\n let index = path.length\n\n let end = -1\n let startPart = 0\n let startDot = -1\n // Track the state of characters (if any) we see before our first dot and\n // after any path separator we find.\n let preDotState = 0\n /** @type {boolean | undefined} */\n let unmatchedSlash\n\n while (index--) {\n const code = path.codePointAt(index)\n\n if (code === 47 /* `/` */) {\n // If we reached a path separator that was not part of a set of path\n // separators at the end of the string, stop now.\n if (unmatchedSlash) {\n startPart = index + 1\n break\n }\n\n continue\n }\n\n if (end < 0) {\n // We saw the first non-path separator, mark this as the end of our\n // extension.\n unmatchedSlash = true\n end = index + 1\n }\n\n if (code === 46 /* `.` */) {\n // If this is our first dot, mark it as the start of our extension.\n if (startDot < 0) {\n startDot = index\n } else if (preDotState !== 1) {\n preDotState = 1\n }\n } else if (startDot > -1) {\n // We saw a non-dot and non-path separator before our dot, so we should\n // have a good chance at having a non-empty extension.\n preDotState = -1\n }\n }\n\n if (\n startDot < 0 ||\n end < 0 ||\n // We saw a non-dot character immediately before the dot.\n preDotState === 0 ||\n // The (right-most) trimmed path component is exactly `..`.\n (preDotState === 1 && startDot === end - 1 && startDot === startPart + 1)\n ) {\n return ''\n }\n\n return path.slice(startDot, end)\n}\n\n/**\n * Join segments from a path.\n *\n * @param {Array} segments\n * Path segments.\n * @returns {string}\n * File path.\n */\nfunction join(...segments) {\n let index = -1\n /** @type {string | undefined} */\n let joined\n\n while (++index < segments.length) {\n assertPath(segments[index])\n\n if (segments[index]) {\n joined =\n joined === undefined ? segments[index] : joined + '/' + segments[index]\n }\n }\n\n return joined === undefined ? '.' : normalize(joined)\n}\n\n/**\n * Normalize a basic file path.\n *\n * @param {string} path\n * File path.\n * @returns {string}\n * File path.\n */\n// Note: `normalize` is not exposed as `path.normalize`, so some code is\n// manually removed from it.\nfunction normalize(path) {\n assertPath(path)\n\n const absolute = path.codePointAt(0) === 47 /* `/` */\n\n // Normalize the path according to POSIX rules.\n let value = normalizeString(path, !absolute)\n\n if (value.length === 0 && !absolute) {\n value = '.'\n }\n\n if (value.length > 0 && path.codePointAt(path.length - 1) === 47 /* / */) {\n value += '/'\n }\n\n return absolute ? '/' + value : value\n}\n\n/**\n * Resolve `.` and `..` elements in a path with directory names.\n *\n * @param {string} path\n * File path.\n * @param {boolean} allowAboveRoot\n * Whether `..` can move above root.\n * @returns {string}\n * File path.\n */\nfunction normalizeString(path, allowAboveRoot) {\n let result = ''\n let lastSegmentLength = 0\n let lastSlash = -1\n let dots = 0\n let index = -1\n /** @type {number | undefined} */\n let code\n /** @type {number} */\n let lastSlashIndex\n\n while (++index <= path.length) {\n if (index < path.length) {\n code = path.codePointAt(index)\n } else if (code === 47 /* `/` */) {\n break\n } else {\n code = 47 /* `/` */\n }\n\n if (code === 47 /* `/` */) {\n if (lastSlash === index - 1 || dots === 1) {\n // Empty.\n } else if (lastSlash !== index - 1 && dots === 2) {\n if (\n result.length < 2 ||\n lastSegmentLength !== 2 ||\n result.codePointAt(result.length - 1) !== 46 /* `.` */ ||\n result.codePointAt(result.length - 2) !== 46 /* `.` */\n ) {\n if (result.length > 2) {\n lastSlashIndex = result.lastIndexOf('/')\n\n if (lastSlashIndex !== result.length - 1) {\n if (lastSlashIndex < 0) {\n result = ''\n lastSegmentLength = 0\n } else {\n result = result.slice(0, lastSlashIndex)\n lastSegmentLength = result.length - 1 - result.lastIndexOf('/')\n }\n\n lastSlash = index\n dots = 0\n continue\n }\n } else if (result.length > 0) {\n result = ''\n lastSegmentLength = 0\n lastSlash = index\n dots = 0\n continue\n }\n }\n\n if (allowAboveRoot) {\n result = result.length > 0 ? result + '/..' : '..'\n lastSegmentLength = 2\n }\n } else {\n if (result.length > 0) {\n result += '/' + path.slice(lastSlash + 1, index)\n } else {\n result = path.slice(lastSlash + 1, index)\n }\n\n lastSegmentLength = index - lastSlash - 1\n }\n\n lastSlash = index\n dots = 0\n } else if (code === 46 /* `.` */ && dots > -1) {\n dots++\n } else {\n dots = -1\n }\n }\n\n return result\n}\n\n/**\n * Make sure `path` is a string.\n *\n * @param {string} path\n * File path.\n * @returns {asserts path is string}\n * Nothing.\n */\nfunction assertPath(path) {\n if (typeof path !== 'string') {\n throw new TypeError(\n 'Path must be a string. Received ' + JSON.stringify(path)\n )\n }\n}\n\n/* eslint-enable max-depth, complexity */\n","// Somewhat based on:\n// .\n// But I don’t think one tiny line of code can be copyrighted. 😅\nexport const minproc = {cwd}\n\nfunction cwd() {\n return '/'\n}\n","/**\n * Checks if a value has the shape of a WHATWG URL object.\n *\n * Using a symbol or instanceof would not be able to recognize URL objects\n * coming from other implementations (e.g. in Electron), so instead we are\n * checking some well known properties for a lack of a better test.\n *\n * We use `href` and `protocol` as they are the only properties that are\n * easy to retrieve and calculate due to the lazy nature of the getters.\n *\n * We check for auth attribute to distinguish legacy url instance with\n * WHATWG URL instance.\n *\n * @param {unknown} fileUrlOrPath\n * File path or URL.\n * @returns {fileUrlOrPath is URL}\n * Whether it’s a URL.\n */\n// From: \nexport function isUrl(fileUrlOrPath) {\n return Boolean(\n fileUrlOrPath !== null &&\n typeof fileUrlOrPath === 'object' &&\n 'href' in fileUrlOrPath &&\n fileUrlOrPath.href &&\n 'protocol' in fileUrlOrPath &&\n fileUrlOrPath.protocol &&\n // @ts-expect-error: indexing is fine.\n fileUrlOrPath.auth === undefined\n )\n}\n","import {isUrl} from './minurl.shared.js'\n\nexport {isUrl} from './minurl.shared.js'\n\n// See: \n\n/**\n * @param {URL | string} path\n * File URL.\n * @returns {string}\n * File URL.\n */\nexport function urlToPath(path) {\n if (typeof path === 'string') {\n path = new URL(path)\n } else if (!isUrl(path)) {\n /** @type {NodeJS.ErrnoException} */\n const error = new TypeError(\n 'The \"path\" argument must be of type string or an instance of URL. Received `' +\n path +\n '`'\n )\n error.code = 'ERR_INVALID_ARG_TYPE'\n throw error\n }\n\n if (path.protocol !== 'file:') {\n /** @type {NodeJS.ErrnoException} */\n const error = new TypeError('The URL must be of scheme file')\n error.code = 'ERR_INVALID_URL_SCHEME'\n throw error\n }\n\n return getPathFromURLPosix(path)\n}\n\n/**\n * Get a path from a POSIX URL.\n *\n * @param {URL} url\n * URL.\n * @returns {string}\n * File path.\n */\nfunction getPathFromURLPosix(url) {\n if (url.hostname !== '') {\n /** @type {NodeJS.ErrnoException} */\n const error = new TypeError(\n 'File URL host must be \"localhost\" or empty on darwin'\n )\n error.code = 'ERR_INVALID_FILE_URL_HOST'\n throw error\n }\n\n const pathname = url.pathname\n let index = -1\n\n while (++index < pathname.length) {\n if (\n pathname.codePointAt(index) === 37 /* `%` */ &&\n pathname.codePointAt(index + 1) === 50 /* `2` */\n ) {\n const third = pathname.codePointAt(index + 2)\n if (third === 70 /* `F` */ || third === 102 /* `f` */) {\n /** @type {NodeJS.ErrnoException} */\n const error = new TypeError(\n 'File URL path must not include encoded / characters'\n )\n error.code = 'ERR_INVALID_FILE_URL_PATH'\n throw error\n }\n }\n }\n\n return decodeURIComponent(pathname)\n}\n","/**\n * @import {Node, Point, Position} from 'unist'\n * @import {Options as MessageOptions} from 'vfile-message'\n * @import {Compatible, Data, Map, Options, Value} from 'vfile'\n */\n\n/**\n * @typedef {object & {type: string, position?: Position | undefined}} NodeLike\n */\n\nimport {VFileMessage} from 'vfile-message'\nimport {minpath} from '#minpath'\nimport {minproc} from '#minproc'\nimport {urlToPath, isUrl} from '#minurl'\n\n/**\n * Order of setting (least specific to most), we need this because otherwise\n * `{stem: 'a', path: '~/b.js'}` would throw, as a path is needed before a\n * stem can be set.\n */\nconst order = /** @type {const} */ ([\n 'history',\n 'path',\n 'basename',\n 'stem',\n 'extname',\n 'dirname'\n])\n\nexport class VFile {\n /**\n * Create a new virtual file.\n *\n * `options` is treated as:\n *\n * * `string` or `Uint8Array` — `{value: options}`\n * * `URL` — `{path: options}`\n * * `VFile` — shallow copies its data over to the new file\n * * `object` — all fields are shallow copied over to the new file\n *\n * Path related fields are set in the following order (least specific to\n * most specific): `history`, `path`, `basename`, `stem`, `extname`,\n * `dirname`.\n *\n * You cannot set `dirname` or `extname` without setting either `history`,\n * `path`, `basename`, or `stem` too.\n *\n * @param {Compatible | null | undefined} [value]\n * File value.\n * @returns\n * New instance.\n */\n constructor(value) {\n /** @type {Options | VFile} */\n let options\n\n if (!value) {\n options = {}\n } else if (isUrl(value)) {\n options = {path: value}\n } else if (typeof value === 'string' || isUint8Array(value)) {\n options = {value}\n } else {\n options = value\n }\n\n /* eslint-disable no-unused-expressions */\n\n /**\n * Base of `path` (default: `process.cwd()` or `'/'` in browsers).\n *\n * @type {string}\n */\n // Prevent calling `cwd` (which could be expensive) if it’s not needed;\n // the empty string will be overridden in the next block.\n this.cwd = 'cwd' in options ? '' : minproc.cwd()\n\n /**\n * Place to store custom info (default: `{}`).\n *\n * It’s OK to store custom data directly on the file but moving it to\n * `data` is recommended.\n *\n * @type {Data}\n */\n this.data = {}\n\n /**\n * List of file paths the file moved between.\n *\n * The first is the original path and the last is the current path.\n *\n * @type {Array}\n */\n this.history = []\n\n /**\n * List of messages associated with the file.\n *\n * @type {Array}\n */\n this.messages = []\n\n /**\n * Raw value.\n *\n * @type {Value}\n */\n this.value\n\n // The below are non-standard, they are “well-known”.\n // As in, used in several tools.\n /**\n * Source map.\n *\n * This type is equivalent to the `RawSourceMap` type from the `source-map`\n * module.\n *\n * @type {Map | null | undefined}\n */\n this.map\n\n /**\n * Custom, non-string, compiled, representation.\n *\n * This is used by unified to store non-string results.\n * One example is when turning markdown into React nodes.\n *\n * @type {unknown}\n */\n this.result\n\n /**\n * Whether a file was saved to disk.\n *\n * This is used by vfile reporters.\n *\n * @type {boolean}\n */\n this.stored\n /* eslint-enable no-unused-expressions */\n\n // Set path related properties in the correct order.\n let index = -1\n\n while (++index < order.length) {\n const field = order[index]\n\n // Note: we specifically use `in` instead of `hasOwnProperty` to accept\n // `vfile`s too.\n if (\n field in options &&\n options[field] !== undefined &&\n options[field] !== null\n ) {\n // @ts-expect-error: TS doesn’t understand basic reality.\n this[field] = field === 'history' ? [...options[field]] : options[field]\n }\n }\n\n /** @type {string} */\n let field\n\n // Set non-path related properties.\n for (field in options) {\n // @ts-expect-error: fine to set other things.\n if (!order.includes(field)) {\n // @ts-expect-error: fine to set other things.\n this[field] = options[field]\n }\n }\n }\n\n /**\n * Get the basename (including extname) (example: `'index.min.js'`).\n *\n * @returns {string | undefined}\n * Basename.\n */\n get basename() {\n return typeof this.path === 'string'\n ? minpath.basename(this.path)\n : undefined\n }\n\n /**\n * Set basename (including extname) (`'index.min.js'`).\n *\n * Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\\'`\n * on windows).\n * Cannot be nullified (use `file.path = file.dirname` instead).\n *\n * @param {string} basename\n * Basename.\n * @returns {undefined}\n * Nothing.\n */\n set basename(basename) {\n assertNonEmpty(basename, 'basename')\n assertPart(basename, 'basename')\n this.path = minpath.join(this.dirname || '', basename)\n }\n\n /**\n * Get the parent path (example: `'~'`).\n *\n * @returns {string | undefined}\n * Dirname.\n */\n get dirname() {\n return typeof this.path === 'string'\n ? minpath.dirname(this.path)\n : undefined\n }\n\n /**\n * Set the parent path (example: `'~'`).\n *\n * Cannot be set if there’s no `path` yet.\n *\n * @param {string | undefined} dirname\n * Dirname.\n * @returns {undefined}\n * Nothing.\n */\n set dirname(dirname) {\n assertPath(this.basename, 'dirname')\n this.path = minpath.join(dirname || '', this.basename)\n }\n\n /**\n * Get the extname (including dot) (example: `'.js'`).\n *\n * @returns {string | undefined}\n * Extname.\n */\n get extname() {\n return typeof this.path === 'string'\n ? minpath.extname(this.path)\n : undefined\n }\n\n /**\n * Set the extname (including dot) (example: `'.js'`).\n *\n * Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\\'`\n * on windows).\n * Cannot be set if there’s no `path` yet.\n *\n * @param {string | undefined} extname\n * Extname.\n * @returns {undefined}\n * Nothing.\n */\n set extname(extname) {\n assertPart(extname, 'extname')\n assertPath(this.dirname, 'extname')\n\n if (extname) {\n if (extname.codePointAt(0) !== 46 /* `.` */) {\n throw new Error('`extname` must start with `.`')\n }\n\n if (extname.includes('.', 1)) {\n throw new Error('`extname` cannot contain multiple dots')\n }\n }\n\n this.path = minpath.join(this.dirname, this.stem + (extname || ''))\n }\n\n /**\n * Get the full path (example: `'~/index.min.js'`).\n *\n * @returns {string}\n * Path.\n */\n get path() {\n return this.history[this.history.length - 1]\n }\n\n /**\n * Set the full path (example: `'~/index.min.js'`).\n *\n * Cannot be nullified.\n * You can set a file URL (a `URL` object with a `file:` protocol) which will\n * be turned into a path with `url.fileURLToPath`.\n *\n * @param {URL | string} path\n * Path.\n * @returns {undefined}\n * Nothing.\n */\n set path(path) {\n if (isUrl(path)) {\n path = urlToPath(path)\n }\n\n assertNonEmpty(path, 'path')\n\n if (this.path !== path) {\n this.history.push(path)\n }\n }\n\n /**\n * Get the stem (basename w/o extname) (example: `'index.min'`).\n *\n * @returns {string | undefined}\n * Stem.\n */\n get stem() {\n return typeof this.path === 'string'\n ? minpath.basename(this.path, this.extname)\n : undefined\n }\n\n /**\n * Set the stem (basename w/o extname) (example: `'index.min'`).\n *\n * Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\\'`\n * on windows).\n * Cannot be nullified (use `file.path = file.dirname` instead).\n *\n * @param {string} stem\n * Stem.\n * @returns {undefined}\n * Nothing.\n */\n set stem(stem) {\n assertNonEmpty(stem, 'stem')\n assertPart(stem, 'stem')\n this.path = minpath.join(this.dirname || '', stem + (this.extname || ''))\n }\n\n // Normal prototypal methods.\n /**\n * Create a fatal message for `reason` associated with the file.\n *\n * The `fatal` field of the message is set to `true` (error; file not usable)\n * and the `file` field is set to the current file path.\n * The message is added to the `messages` field on `file`.\n *\n * > 🪦 **Note**: also has obsolete signatures.\n *\n * @overload\n * @param {string} reason\n * @param {MessageOptions | null | undefined} [options]\n * @returns {never}\n *\n * @overload\n * @param {string} reason\n * @param {Node | NodeLike | null | undefined} parent\n * @param {string | null | undefined} [origin]\n * @returns {never}\n *\n * @overload\n * @param {string} reason\n * @param {Point | Position | null | undefined} place\n * @param {string | null | undefined} [origin]\n * @returns {never}\n *\n * @overload\n * @param {string} reason\n * @param {string | null | undefined} [origin]\n * @returns {never}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {Node | NodeLike | null | undefined} parent\n * @param {string | null | undefined} [origin]\n * @returns {never}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {Point | Position | null | undefined} place\n * @param {string | null | undefined} [origin]\n * @returns {never}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {string | null | undefined} [origin]\n * @returns {never}\n *\n * @param {Error | VFileMessage | string} causeOrReason\n * Reason for message, should use markdown.\n * @param {Node | NodeLike | MessageOptions | Point | Position | string | null | undefined} [optionsOrParentOrPlace]\n * Configuration (optional).\n * @param {string | null | undefined} [origin]\n * Place in code where the message originates (example:\n * `'my-package:my-rule'` or `'my-rule'`).\n * @returns {never}\n * Never.\n * @throws {VFileMessage}\n * Message.\n */\n fail(causeOrReason, optionsOrParentOrPlace, origin) {\n // @ts-expect-error: the overloads are fine.\n const message = this.message(causeOrReason, optionsOrParentOrPlace, origin)\n\n message.fatal = true\n\n throw message\n }\n\n /**\n * Create an info message for `reason` associated with the file.\n *\n * The `fatal` field of the message is set to `undefined` (info; change\n * likely not needed) and the `file` field is set to the current file path.\n * The message is added to the `messages` field on `file`.\n *\n * > 🪦 **Note**: also has obsolete signatures.\n *\n * @overload\n * @param {string} reason\n * @param {MessageOptions | null | undefined} [options]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {string} reason\n * @param {Node | NodeLike | null | undefined} parent\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {string} reason\n * @param {Point | Position | null | undefined} place\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {string} reason\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {Node | NodeLike | null | undefined} parent\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {Point | Position | null | undefined} place\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @param {Error | VFileMessage | string} causeOrReason\n * Reason for message, should use markdown.\n * @param {Node | NodeLike | MessageOptions | Point | Position | string | null | undefined} [optionsOrParentOrPlace]\n * Configuration (optional).\n * @param {string | null | undefined} [origin]\n * Place in code where the message originates (example:\n * `'my-package:my-rule'` or `'my-rule'`).\n * @returns {VFileMessage}\n * Message.\n */\n info(causeOrReason, optionsOrParentOrPlace, origin) {\n // @ts-expect-error: the overloads are fine.\n const message = this.message(causeOrReason, optionsOrParentOrPlace, origin)\n\n message.fatal = undefined\n\n return message\n }\n\n /**\n * Create a message for `reason` associated with the file.\n *\n * The `fatal` field of the message is set to `false` (warning; change may be\n * needed) and the `file` field is set to the current file path.\n * The message is added to the `messages` field on `file`.\n *\n * > 🪦 **Note**: also has obsolete signatures.\n *\n * @overload\n * @param {string} reason\n * @param {MessageOptions | null | undefined} [options]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {string} reason\n * @param {Node | NodeLike | null | undefined} parent\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {string} reason\n * @param {Point | Position | null | undefined} place\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {string} reason\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {Node | NodeLike | null | undefined} parent\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {Point | Position | null | undefined} place\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @overload\n * @param {Error | VFileMessage} cause\n * @param {string | null | undefined} [origin]\n * @returns {VFileMessage}\n *\n * @param {Error | VFileMessage | string} causeOrReason\n * Reason for message, should use markdown.\n * @param {Node | NodeLike | MessageOptions | Point | Position | string | null | undefined} [optionsOrParentOrPlace]\n * Configuration (optional).\n * @param {string | null | undefined} [origin]\n * Place in code where the message originates (example:\n * `'my-package:my-rule'` or `'my-rule'`).\n * @returns {VFileMessage}\n * Message.\n */\n message(causeOrReason, optionsOrParentOrPlace, origin) {\n const message = new VFileMessage(\n // @ts-expect-error: the overloads are fine.\n causeOrReason,\n optionsOrParentOrPlace,\n origin\n )\n\n if (this.path) {\n message.name = this.path + ':' + message.name\n message.file = this.path\n }\n\n message.fatal = false\n\n this.messages.push(message)\n\n return message\n }\n\n /**\n * Serialize the file.\n *\n * > **Note**: which encodings are supported depends on the engine.\n * > For info on Node.js, see:\n * > .\n *\n * @param {string | null | undefined} [encoding='utf8']\n * Character encoding to understand `value` as when it’s a `Uint8Array`\n * (default: `'utf-8'`).\n * @returns {string}\n * Serialized file.\n */\n toString(encoding) {\n if (this.value === undefined) {\n return ''\n }\n\n if (typeof this.value === 'string') {\n return this.value\n }\n\n const decoder = new TextDecoder(encoding || undefined)\n return decoder.decode(this.value)\n }\n}\n\n/**\n * Assert that `part` is not a path (as in, does not contain `path.sep`).\n *\n * @param {string | null | undefined} part\n * File path part.\n * @param {string} name\n * Part name.\n * @returns {undefined}\n * Nothing.\n */\nfunction assertPart(part, name) {\n if (part && part.includes(minpath.sep)) {\n throw new Error(\n '`' + name + '` cannot be a path: did not expect `' + minpath.sep + '`'\n )\n }\n}\n\n/**\n * Assert that `part` is not empty.\n *\n * @param {string | undefined} part\n * Thing.\n * @param {string} name\n * Part name.\n * @returns {asserts part is string}\n * Nothing.\n */\nfunction assertNonEmpty(part, name) {\n if (!part) {\n throw new Error('`' + name + '` cannot be empty')\n }\n}\n\n/**\n * Assert `path` exists.\n *\n * @param {string | undefined} path\n * Path.\n * @param {string} name\n * Dependency name.\n * @returns {asserts path is string}\n * Nothing.\n */\nfunction assertPath(path, name) {\n if (!path) {\n throw new Error('Setting `' + name + '` requires `path` to be set too')\n }\n}\n\n/**\n * Assert `value` is an `Uint8Array`.\n *\n * @param {unknown} value\n * thing.\n * @returns {value is Uint8Array}\n * Whether `value` is an `Uint8Array`.\n */\nfunction isUint8Array(value) {\n return Boolean(\n value &&\n typeof value === 'object' &&\n 'byteLength' in value &&\n 'byteOffset' in value\n )\n}\n","export const CallableInstance =\n /**\n * @type {new , Result>(property: string | symbol) => (...parameters: Parameters) => Result}\n */\n (\n /** @type {unknown} */\n (\n /**\n * @this {Function}\n * @param {string | symbol} property\n * @returns {(...parameters: Array) => unknown}\n */\n function (property) {\n const self = this\n const constr = self.constructor\n const proto = /** @type {Record} */ (\n // Prototypes do exist.\n // type-coverage:ignore-next-line\n constr.prototype\n )\n const value = proto[property]\n /** @type {(...parameters: Array) => unknown} */\n const apply = function () {\n return value.apply(apply, arguments)\n }\n\n Object.setPrototypeOf(apply, proto)\n\n // Not needed for us in `unified`: we only call this on the `copy`\n // function,\n // and we don't need to add its fields (`length`, `name`)\n // over.\n // See also: GH-246.\n // const names = Object.getOwnPropertyNames(value)\n //\n // for (const p of names) {\n // const descriptor = Object.getOwnPropertyDescriptor(value, p)\n // if (descriptor) Object.defineProperty(apply, p, descriptor)\n // }\n\n return apply\n }\n )\n )\n","/**\n * @typedef {import('trough').Pipeline} Pipeline\n *\n * @typedef {import('unist').Node} Node\n *\n * @typedef {import('vfile').Compatible} Compatible\n * @typedef {import('vfile').Value} Value\n *\n * @typedef {import('../index.js').CompileResultMap} CompileResultMap\n * @typedef {import('../index.js').Data} Data\n * @typedef {import('../index.js').Settings} Settings\n */\n\n/**\n * @typedef {CompileResultMap[keyof CompileResultMap]} CompileResults\n * Acceptable results from compilers.\n *\n * To register custom results, add them to\n * {@linkcode CompileResultMap}.\n */\n\n/**\n * @template {Node} [Tree=Node]\n * The node that the compiler receives (default: `Node`).\n * @template {CompileResults} [Result=CompileResults]\n * The thing that the compiler yields (default: `CompileResults`).\n * @callback Compiler\n * A **compiler** handles the compiling of a syntax tree to something else\n * (in most cases, text) (TypeScript type).\n *\n * It is used in the stringify phase and called with a {@linkcode Node}\n * and {@linkcode VFile} representation of the document to compile.\n * It should return the textual representation of the given tree (typically\n * `string`).\n *\n * > **Note**: unified typically compiles by serializing: most compilers\n * > return `string` (or `Uint8Array`).\n * > Some compilers, such as the one configured with\n * > [`rehype-react`][rehype-react], return other values (in this case, a\n * > React tree).\n * > If you’re using a compiler that doesn’t serialize, expect different\n * > result values.\n * >\n * > To register custom results in TypeScript, add them to\n * > {@linkcode CompileResultMap}.\n *\n * [rehype-react]: https://github.com/rehypejs/rehype-react\n * @param {Tree} tree\n * Tree to compile.\n * @param {VFile} file\n * File associated with `tree`.\n * @returns {Result}\n * New content: compiled text (`string` or `Uint8Array`, for `file.value`) or\n * something else (for `file.result`).\n */\n\n/**\n * @template {Node} [Tree=Node]\n * The node that the parser yields (default: `Node`)\n * @callback Parser\n * A **parser** handles the parsing of text to a syntax tree.\n *\n * It is used in the parse phase and is called with a `string` and\n * {@linkcode VFile} of the document to parse.\n * It must return the syntax tree representation of the given file\n * ({@linkcode Node}).\n * @param {string} document\n * Document to parse.\n * @param {VFile} file\n * File associated with `document`.\n * @returns {Tree}\n * Node representing the given file.\n */\n\n/**\n * @typedef {(\n * Plugin, any, any> |\n * PluginTuple, any, any> |\n * Preset\n * )} Pluggable\n * Union of the different ways to add plugins and settings.\n */\n\n/**\n * @typedef {Array} PluggableList\n * List of plugins and presets.\n */\n\n// Note: we can’t use `callback` yet as it messes up `this`:\n// .\n/**\n * @template {Array} [PluginParameters=[]]\n * Arguments passed to the plugin (default: `[]`, the empty tuple).\n * @template {Node | string | undefined} [Input=Node]\n * Value that is expected as input (default: `Node`).\n *\n * * If the plugin returns a {@linkcode Transformer}, this\n * should be the node it expects.\n * * If the plugin sets a {@linkcode Parser}, this should be\n * `string`.\n * * If the plugin sets a {@linkcode Compiler}, this should be the\n * node it expects.\n * @template [Output=Input]\n * Value that is yielded as output (default: `Input`).\n *\n * * If the plugin returns a {@linkcode Transformer}, this\n * should be the node that that yields.\n * * If the plugin sets a {@linkcode Parser}, this should be the\n * node that it yields.\n * * If the plugin sets a {@linkcode Compiler}, this should be\n * result it yields.\n * @typedef {(\n * (this: Processor, ...parameters: PluginParameters) =>\n * Input extends string ? // Parser.\n * Output extends Node | undefined ? undefined | void : never :\n * Output extends CompileResults ? // Compiler.\n * Input extends Node | undefined ? undefined | void : never :\n * Transformer<\n * Input extends Node ? Input : Node,\n * Output extends Node ? Output : Node\n * > | undefined | void\n * )} Plugin\n * Single plugin.\n *\n * Plugins configure the processors they are applied on in the following\n * ways:\n *\n * * they change the processor, such as the parser, the compiler, or by\n * configuring data\n * * they specify how to handle trees and files\n *\n * In practice, they are functions that can receive options and configure the\n * processor (`this`).\n *\n * > **Note**: plugins are called when the processor is *frozen*, not when\n * > they are applied.\n */\n\n/**\n * Tuple of a plugin and its configuration.\n *\n * The first item is a plugin, the rest are its parameters.\n *\n * @template {Array} [TupleParameters=[]]\n * Arguments passed to the plugin (default: `[]`, the empty tuple).\n * @template {Node | string | undefined} [Input=undefined]\n * Value that is expected as input (optional).\n *\n * * If the plugin returns a {@linkcode Transformer}, this\n * should be the node it expects.\n * * If the plugin sets a {@linkcode Parser}, this should be\n * `string`.\n * * If the plugin sets a {@linkcode Compiler}, this should be the\n * node it expects.\n * @template [Output=undefined] (optional).\n * Value that is yielded as output.\n *\n * * If the plugin returns a {@linkcode Transformer}, this\n * should be the node that that yields.\n * * If the plugin sets a {@linkcode Parser}, this should be the\n * node that it yields.\n * * If the plugin sets a {@linkcode Compiler}, this should be\n * result it yields.\n * @typedef {(\n * [\n * plugin: Plugin,\n * ...parameters: TupleParameters\n * ]\n * )} PluginTuple\n */\n\n/**\n * @typedef Preset\n * Sharable configuration.\n *\n * They can contain plugins and settings.\n * @property {PluggableList | undefined} [plugins]\n * List of plugins and presets (optional).\n * @property {Settings | undefined} [settings]\n * Shared settings for parsers and compilers (optional).\n */\n\n/**\n * @template {VFile} [File=VFile]\n * The file that the callback receives (default: `VFile`).\n * @callback ProcessCallback\n * Callback called when the process is done.\n *\n * Called with either an error or a result.\n * @param {Error | undefined} [error]\n * Fatal error (optional).\n * @param {File | undefined} [file]\n * Processed file (optional).\n * @returns {undefined}\n * Nothing.\n */\n\n/**\n * @template {Node} [Tree=Node]\n * The tree that the callback receives (default: `Node`).\n * @callback RunCallback\n * Callback called when transformers are done.\n *\n * Called with either an error or results.\n * @param {Error | undefined} [error]\n * Fatal error (optional).\n * @param {Tree | undefined} [tree]\n * Transformed tree (optional).\n * @param {VFile | undefined} [file]\n * File (optional).\n * @returns {undefined}\n * Nothing.\n */\n\n/**\n * @template {Node} [Output=Node]\n * Node type that the transformer yields (default: `Node`).\n * @callback TransformCallback\n * Callback passed to transforms.\n *\n * If the signature of a `transformer` accepts a third argument, the\n * transformer may perform asynchronous operations, and must call it.\n * @param {Error | undefined} [error]\n * Fatal error to stop the process (optional).\n * @param {Output | undefined} [tree]\n * New, changed, tree (optional).\n * @param {VFile | undefined} [file]\n * New, changed, file (optional).\n * @returns {undefined}\n * Nothing.\n */\n\n/**\n * @template {Node} [Input=Node]\n * Node type that the transformer expects (default: `Node`).\n * @template {Node} [Output=Input]\n * Node type that the transformer yields (default: `Input`).\n * @callback Transformer\n * Transformers handle syntax trees and files.\n *\n * They are functions that are called each time a syntax tree and file are\n * passed through the run phase.\n * When an error occurs in them (either because it’s thrown, returned,\n * rejected, or passed to `next`), the process stops.\n *\n * The run phase is handled by [`trough`][trough], see its documentation for\n * the exact semantics of these functions.\n *\n * > **Note**: you should likely ignore `next`: don’t accept it.\n * > it supports callback-style async work.\n * > But promises are likely easier to reason about.\n *\n * [trough]: https://github.com/wooorm/trough#function-fninput-next\n * @param {Input} tree\n * Tree to handle.\n * @param {VFile} file\n * File to handle.\n * @param {TransformCallback} next\n * Callback.\n * @returns {(\n * Promise |\n * Promise | // For some reason this is needed separately.\n * Output |\n * Error |\n * undefined |\n * void\n * )}\n * If you accept `next`, nothing.\n * Otherwise:\n *\n * * `Error` — fatal error to stop the process\n * * `Promise` or `undefined` — the next transformer keeps using\n * same tree\n * * `Promise` or `Node` — new, changed, tree\n */\n\n/**\n * @template {Node | undefined} ParseTree\n * Output of `parse`.\n * @template {Node | undefined} HeadTree\n * Input for `run`.\n * @template {Node | undefined} TailTree\n * Output for `run`.\n * @template {Node | undefined} CompileTree\n * Input of `stringify`.\n * @template {CompileResults | undefined} CompileResult\n * Output of `stringify`.\n * @template {Node | string | undefined} Input\n * Input of plugin.\n * @template Output\n * Output of plugin (optional).\n * @typedef {(\n * Input extends string\n * ? Output extends Node | undefined\n * ? // Parser.\n * Processor<\n * Output extends undefined ? ParseTree : Output,\n * HeadTree,\n * TailTree,\n * CompileTree,\n * CompileResult\n * >\n * : // Unknown.\n * Processor\n * : Output extends CompileResults\n * ? Input extends Node | undefined\n * ? // Compiler.\n * Processor<\n * ParseTree,\n * HeadTree,\n * TailTree,\n * Input extends undefined ? CompileTree : Input,\n * Output extends undefined ? CompileResult : Output\n * >\n * : // Unknown.\n * Processor\n * : Input extends Node | undefined\n * ? Output extends Node | undefined\n * ? // Transform.\n * Processor<\n * ParseTree,\n * HeadTree extends undefined ? Input : HeadTree,\n * Output extends undefined ? TailTree : Output,\n * CompileTree,\n * CompileResult\n * >\n * : // Unknown.\n * Processor\n * : // Unknown.\n * Processor\n * )} UsePlugin\n * Create a processor based on the input/output of a {@link Plugin plugin}.\n */\n\n/**\n * @template {CompileResults | undefined} Result\n * Node type that the transformer yields.\n * @typedef {(\n * Result extends Value | undefined ?\n * VFile :\n * VFile & {result: Result}\n * )} VFileWithOutput\n * Type to generate a {@linkcode VFile} corresponding to a compiler result.\n *\n * If a result that is not acceptable on a `VFile` is used, that will\n * be stored on the `result` field of {@linkcode VFile}.\n */\n\nimport {bail} from 'bail'\nimport extend from 'extend'\nimport {ok as assert} from 'devlop'\nimport isPlainObj from 'is-plain-obj'\nimport {trough} from 'trough'\nimport {VFile} from 'vfile'\nimport {CallableInstance} from './callable-instance.js'\n\n// To do: next major: drop `Compiler`, `Parser`: prefer lowercase.\n\n// To do: we could start yielding `never` in TS when a parser is missing and\n// `parse` is called.\n// Currently, we allow directly setting `processor.parser`, which is untyped.\n\nconst own = {}.hasOwnProperty\n\n/**\n * @template {Node | undefined} [ParseTree=undefined]\n * Output of `parse` (optional).\n * @template {Node | undefined} [HeadTree=undefined]\n * Input for `run` (optional).\n * @template {Node | undefined} [TailTree=undefined]\n * Output for `run` (optional).\n * @template {Node | undefined} [CompileTree=undefined]\n * Input of `stringify` (optional).\n * @template {CompileResults | undefined} [CompileResult=undefined]\n * Output of `stringify` (optional).\n * @extends {CallableInstance<[], Processor>}\n */\nexport class Processor extends CallableInstance {\n /**\n * Create a processor.\n */\n constructor() {\n // If `Processor()` is called (w/o new), `copy` is called instead.\n super('copy')\n\n /**\n * Compiler to use (deprecated).\n *\n * @deprecated\n * Use `compiler` instead.\n * @type {(\n * Compiler<\n * CompileTree extends undefined ? Node : CompileTree,\n * CompileResult extends undefined ? CompileResults : CompileResult\n * > |\n * undefined\n * )}\n */\n this.Compiler = undefined\n\n /**\n * Parser to use (deprecated).\n *\n * @deprecated\n * Use `parser` instead.\n * @type {(\n * Parser |\n * undefined\n * )}\n */\n this.Parser = undefined\n\n // Note: the following fields are considered private.\n // However, they are needed for tests, and TSC generates an untyped\n // `private freezeIndex` field for, which trips `type-coverage` up.\n // Instead, we use `@deprecated` to visualize that they shouldn’t be used.\n /**\n * Internal list of configured plugins.\n *\n * @deprecated\n * This is a private internal property and should not be used.\n * @type {Array>>}\n */\n this.attachers = []\n\n /**\n * Compiler to use.\n *\n * @type {(\n * Compiler<\n * CompileTree extends undefined ? Node : CompileTree,\n * CompileResult extends undefined ? CompileResults : CompileResult\n * > |\n * undefined\n * )}\n */\n this.compiler = undefined\n\n /**\n * Internal state to track where we are while freezing.\n *\n * @deprecated\n * This is a private internal property and should not be used.\n * @type {number}\n */\n this.freezeIndex = -1\n\n /**\n * Internal state to track whether we’re frozen.\n *\n * @deprecated\n * This is a private internal property and should not be used.\n * @type {boolean | undefined}\n */\n this.frozen = undefined\n\n /**\n * Internal state.\n *\n * @deprecated\n * This is a private internal property and should not be used.\n * @type {Data}\n */\n this.namespace = {}\n\n /**\n * Parser to use.\n *\n * @type {(\n * Parser |\n * undefined\n * )}\n */\n this.parser = undefined\n\n /**\n * Internal list of configured transformers.\n *\n * @deprecated\n * This is a private internal property and should not be used.\n * @type {Pipeline}\n */\n this.transformers = trough()\n }\n\n /**\n * Copy a processor.\n *\n * @deprecated\n * This is a private internal method and should not be used.\n * @returns {Processor}\n * New *unfrozen* processor ({@linkcode Processor}) that is\n * configured to work the same as its ancestor.\n * When the descendant processor is configured in the future it does not\n * affect the ancestral processor.\n */\n copy() {\n // Cast as the type parameters will be the same after attaching.\n const destination =\n /** @type {Processor} */ (\n new Processor()\n )\n let index = -1\n\n while (++index < this.attachers.length) {\n const attacher = this.attachers[index]\n destination.use(...attacher)\n }\n\n destination.data(extend(true, {}, this.namespace))\n\n return destination\n }\n\n /**\n * Configure the processor with info available to all plugins.\n * Information is stored in an object.\n *\n * Typically, options can be given to a specific plugin, but sometimes it\n * makes sense to have information shared with several plugins.\n * For example, a list of HTML elements that are self-closing, which is\n * needed during all phases.\n *\n * > **Note**: setting information cannot occur on *frozen* processors.\n * > Call the processor first to create a new unfrozen processor.\n *\n * > **Note**: to register custom data in TypeScript, augment the\n * > {@linkcode Data} interface.\n *\n * @example\n * This example show how to get and set info:\n *\n * ```js\n * import {unified} from 'unified'\n *\n * const processor = unified().data('alpha', 'bravo')\n *\n * processor.data('alpha') // => 'bravo'\n *\n * processor.data() // => {alpha: 'bravo'}\n *\n * processor.data({charlie: 'delta'})\n *\n * processor.data() // => {charlie: 'delta'}\n * ```\n *\n * @template {keyof Data} Key\n *\n * @overload\n * @returns {Data}\n *\n * @overload\n * @param {Data} dataset\n * @returns {Processor}\n *\n * @overload\n * @param {Key} key\n * @returns {Data[Key]}\n *\n * @overload\n * @param {Key} key\n * @param {Data[Key]} value\n * @returns {Processor}\n *\n * @param {Data | Key} [key]\n * Key to get or set, or entire dataset to set, or nothing to get the\n * entire dataset (optional).\n * @param {Data[Key]} [value]\n * Value to set (optional).\n * @returns {unknown}\n * The current processor when setting, the value at `key` when getting, or\n * the entire dataset when getting without key.\n */\n data(key, value) {\n if (typeof key === 'string') {\n // Set `key`.\n if (arguments.length === 2) {\n assertUnfrozen('data', this.frozen)\n this.namespace[key] = value\n return this\n }\n\n // Get `key`.\n return (own.call(this.namespace, key) && this.namespace[key]) || undefined\n }\n\n // Set space.\n if (key) {\n assertUnfrozen('data', this.frozen)\n this.namespace = key\n return this\n }\n\n // Get space.\n return this.namespace\n }\n\n /**\n * Freeze a processor.\n *\n * Frozen processors are meant to be extended and not to be configured\n * directly.\n *\n * When a processor is frozen it cannot be unfrozen.\n * New processors working the same way can be created by calling the\n * processor.\n *\n * It’s possible to freeze processors explicitly by calling `.freeze()`.\n * Processors freeze automatically when `.parse()`, `.run()`, `.runSync()`,\n * `.stringify()`, `.process()`, or `.processSync()` are called.\n *\n * @returns {Processor}\n * The current processor.\n */\n freeze() {\n if (this.frozen) {\n return this\n }\n\n // Cast so that we can type plugins easier.\n // Plugins are supposed to be usable on different processors, not just on\n // this exact processor.\n const self = /** @type {Processor} */ (/** @type {unknown} */ (this))\n\n while (++this.freezeIndex < this.attachers.length) {\n const [attacher, ...options] = this.attachers[this.freezeIndex]\n\n if (options[0] === false) {\n continue\n }\n\n if (options[0] === true) {\n options[0] = undefined\n }\n\n const transformer = attacher.call(self, ...options)\n\n if (typeof transformer === 'function') {\n this.transformers.use(transformer)\n }\n }\n\n this.frozen = true\n this.freezeIndex = Number.POSITIVE_INFINITY\n\n return this\n }\n\n /**\n * Parse text to a syntax tree.\n *\n * > **Note**: `parse` freezes the processor if not already *frozen*.\n *\n * > **Note**: `parse` performs the parse phase, not the run phase or other\n * > phases.\n *\n * @param {Compatible | undefined} [file]\n * file to parse (optional); typically `string` or `VFile`; any value\n * accepted as `x` in `new VFile(x)`.\n * @returns {ParseTree extends undefined ? Node : ParseTree}\n * Syntax tree representing `file`.\n */\n parse(file) {\n this.freeze()\n const realFile = vfile(file)\n const parser = this.parser || this.Parser\n assertParser('parse', parser)\n return parser(String(realFile), realFile)\n }\n\n /**\n * Process the given file as configured on the processor.\n *\n * > **Note**: `process` freezes the processor if not already *frozen*.\n *\n * > **Note**: `process` performs the parse, run, and stringify phases.\n *\n * @overload\n * @param {Compatible | undefined} file\n * @param {ProcessCallback>} done\n * @returns {undefined}\n *\n * @overload\n * @param {Compatible | undefined} [file]\n * @returns {Promise>}\n *\n * @param {Compatible | undefined} [file]\n * File (optional); typically `string` or `VFile`]; any value accepted as\n * `x` in `new VFile(x)`.\n * @param {ProcessCallback> | undefined} [done]\n * Callback (optional).\n * @returns {Promise | undefined}\n * Nothing if `done` is given.\n * Otherwise a promise, rejected with a fatal error or resolved with the\n * processed file.\n *\n * The parsed, transformed, and compiled value is available at\n * `file.value` (see note).\n *\n * > **Note**: unified typically compiles by serializing: most\n * > compilers return `string` (or `Uint8Array`).\n * > Some compilers, such as the one configured with\n * > [`rehype-react`][rehype-react], return other values (in this case, a\n * > React tree).\n * > If you’re using a compiler that doesn’t serialize, expect different\n * > result values.\n * >\n * > To register custom results in TypeScript, add them to\n * > {@linkcode CompileResultMap}.\n *\n * [rehype-react]: https://github.com/rehypejs/rehype-react\n */\n process(file, done) {\n const self = this\n\n this.freeze()\n assertParser('process', this.parser || this.Parser)\n assertCompiler('process', this.compiler || this.Compiler)\n\n return done ? executor(undefined, done) : new Promise(executor)\n\n // Note: `void`s needed for TS.\n /**\n * @param {((file: VFileWithOutput) => undefined | void) | undefined} resolve\n * @param {(error: Error | undefined) => undefined | void} reject\n * @returns {undefined}\n */\n function executor(resolve, reject) {\n const realFile = vfile(file)\n // Assume `ParseTree` (the result of the parser) matches `HeadTree` (the\n // input of the first transform).\n const parseTree =\n /** @type {HeadTree extends undefined ? Node : HeadTree} */ (\n /** @type {unknown} */ (self.parse(realFile))\n )\n\n self.run(parseTree, realFile, function (error, tree, file) {\n if (error || !tree || !file) {\n return realDone(error)\n }\n\n // Assume `TailTree` (the output of the last transform) matches\n // `CompileTree` (the input of the compiler).\n const compileTree =\n /** @type {CompileTree extends undefined ? Node : CompileTree} */ (\n /** @type {unknown} */ (tree)\n )\n\n const compileResult = self.stringify(compileTree, file)\n\n if (looksLikeAValue(compileResult)) {\n file.value = compileResult\n } else {\n file.result = compileResult\n }\n\n realDone(error, /** @type {VFileWithOutput} */ (file))\n })\n\n /**\n * @param {Error | undefined} error\n * @param {VFileWithOutput | undefined} [file]\n * @returns {undefined}\n */\n function realDone(error, file) {\n if (error || !file) {\n reject(error)\n } else if (resolve) {\n resolve(file)\n } else {\n assert(done, '`done` is defined if `resolve` is not')\n done(undefined, file)\n }\n }\n }\n }\n\n /**\n * Process the given file as configured on the processor.\n *\n * An error is thrown if asynchronous transforms are configured.\n *\n * > **Note**: `processSync` freezes the processor if not already *frozen*.\n *\n * > **Note**: `processSync` performs the parse, run, and stringify phases.\n *\n * @param {Compatible | undefined} [file]\n * File (optional); typically `string` or `VFile`; any value accepted as\n * `x` in `new VFile(x)`.\n * @returns {VFileWithOutput}\n * The processed file.\n *\n * The parsed, transformed, and compiled value is available at\n * `file.value` (see note).\n *\n * > **Note**: unified typically compiles by serializing: most\n * > compilers return `string` (or `Uint8Array`).\n * > Some compilers, such as the one configured with\n * > [`rehype-react`][rehype-react], return other values (in this case, a\n * > React tree).\n * > If you’re using a compiler that doesn’t serialize, expect different\n * > result values.\n * >\n * > To register custom results in TypeScript, add them to\n * > {@linkcode CompileResultMap}.\n *\n * [rehype-react]: https://github.com/rehypejs/rehype-react\n */\n processSync(file) {\n /** @type {boolean} */\n let complete = false\n /** @type {VFileWithOutput | undefined} */\n let result\n\n this.freeze()\n assertParser('processSync', this.parser || this.Parser)\n assertCompiler('processSync', this.compiler || this.Compiler)\n\n this.process(file, realDone)\n assertDone('processSync', 'process', complete)\n assert(result, 'we either bailed on an error or have a tree')\n\n return result\n\n /**\n * @type {ProcessCallback>}\n */\n function realDone(error, file) {\n complete = true\n bail(error)\n result = file\n }\n }\n\n /**\n * Run *transformers* on a syntax tree.\n *\n * > **Note**: `run` freezes the processor if not already *frozen*.\n *\n * > **Note**: `run` performs the run phase, not other phases.\n *\n * @overload\n * @param {HeadTree extends undefined ? Node : HeadTree} tree\n * @param {RunCallback} done\n * @returns {undefined}\n *\n * @overload\n * @param {HeadTree extends undefined ? Node : HeadTree} tree\n * @param {Compatible | undefined} file\n * @param {RunCallback} done\n * @returns {undefined}\n *\n * @overload\n * @param {HeadTree extends undefined ? Node : HeadTree} tree\n * @param {Compatible | undefined} [file]\n * @returns {Promise}\n *\n * @param {HeadTree extends undefined ? Node : HeadTree} tree\n * Tree to transform and inspect.\n * @param {(\n * RunCallback |\n * Compatible\n * )} [file]\n * File associated with `node` (optional); any value accepted as `x` in\n * `new VFile(x)`.\n * @param {RunCallback} [done]\n * Callback (optional).\n * @returns {Promise | undefined}\n * Nothing if `done` is given.\n * Otherwise, a promise rejected with a fatal error or resolved with the\n * transformed tree.\n */\n run(tree, file, done) {\n assertNode(tree)\n this.freeze()\n\n const transformers = this.transformers\n\n if (!done && typeof file === 'function') {\n done = file\n file = undefined\n }\n\n return done ? executor(undefined, done) : new Promise(executor)\n\n // Note: `void`s needed for TS.\n /**\n * @param {(\n * ((tree: TailTree extends undefined ? Node : TailTree) => undefined | void) |\n * undefined\n * )} resolve\n * @param {(error: Error) => undefined | void} reject\n * @returns {undefined}\n */\n function executor(resolve, reject) {\n assert(\n typeof file !== 'function',\n '`file` can’t be a `done` anymore, we checked'\n )\n const realFile = vfile(file)\n transformers.run(tree, realFile, realDone)\n\n /**\n * @param {Error | undefined} error\n * @param {Node} outputTree\n * @param {VFile} file\n * @returns {undefined}\n */\n function realDone(error, outputTree, file) {\n const resultingTree =\n /** @type {TailTree extends undefined ? Node : TailTree} */ (\n outputTree || tree\n )\n\n if (error) {\n reject(error)\n } else if (resolve) {\n resolve(resultingTree)\n } else {\n assert(done, '`done` is defined if `resolve` is not')\n done(undefined, resultingTree, file)\n }\n }\n }\n }\n\n /**\n * Run *transformers* on a syntax tree.\n *\n * An error is thrown if asynchronous transforms are configured.\n *\n * > **Note**: `runSync` freezes the processor if not already *frozen*.\n *\n * > **Note**: `runSync` performs the run phase, not other phases.\n *\n * @param {HeadTree extends undefined ? Node : HeadTree} tree\n * Tree to transform and inspect.\n * @param {Compatible | undefined} [file]\n * File associated with `node` (optional); any value accepted as `x` in\n * `new VFile(x)`.\n * @returns {TailTree extends undefined ? Node : TailTree}\n * Transformed tree.\n */\n runSync(tree, file) {\n /** @type {boolean} */\n let complete = false\n /** @type {(TailTree extends undefined ? Node : TailTree) | undefined} */\n let result\n\n this.run(tree, file, realDone)\n\n assertDone('runSync', 'run', complete)\n assert(result, 'we either bailed on an error or have a tree')\n return result\n\n /**\n * @type {RunCallback}\n */\n function realDone(error, tree) {\n bail(error)\n result = tree\n complete = true\n }\n }\n\n /**\n * Compile a syntax tree.\n *\n * > **Note**: `stringify` freezes the processor if not already *frozen*.\n *\n * > **Note**: `stringify` performs the stringify phase, not the run phase\n * > or other phases.\n *\n * @param {CompileTree extends undefined ? Node : CompileTree} tree\n * Tree to compile.\n * @param {Compatible | undefined} [file]\n * File associated with `node` (optional); any value accepted as `x` in\n * `new VFile(x)`.\n * @returns {CompileResult extends undefined ? Value : CompileResult}\n * Textual representation of the tree (see note).\n *\n * > **Note**: unified typically compiles by serializing: most compilers\n * > return `string` (or `Uint8Array`).\n * > Some compilers, such as the one configured with\n * > [`rehype-react`][rehype-react], return other values (in this case, a\n * > React tree).\n * > If you’re using a compiler that doesn’t serialize, expect different\n * > result values.\n * >\n * > To register custom results in TypeScript, add them to\n * > {@linkcode CompileResultMap}.\n *\n * [rehype-react]: https://github.com/rehypejs/rehype-react\n */\n stringify(tree, file) {\n this.freeze()\n const realFile = vfile(file)\n const compiler = this.compiler || this.Compiler\n assertCompiler('stringify', compiler)\n assertNode(tree)\n\n return compiler(tree, realFile)\n }\n\n /**\n * Configure the processor to use a plugin, a list of usable values, or a\n * preset.\n *\n * If the processor is already using a plugin, the previous plugin\n * configuration is changed based on the options that are passed in.\n * In other words, the plugin is not added a second time.\n *\n * > **Note**: `use` cannot be called on *frozen* processors.\n * > Call the processor first to create a new unfrozen processor.\n *\n * @example\n * There are many ways to pass plugins to `.use()`.\n * This example gives an overview:\n *\n * ```js\n * import {unified} from 'unified'\n *\n * unified()\n * // Plugin with options:\n * .use(pluginA, {x: true, y: true})\n * // Passing the same plugin again merges configuration (to `{x: true, y: false, z: true}`):\n * .use(pluginA, {y: false, z: true})\n * // Plugins:\n * .use([pluginB, pluginC])\n * // Two plugins, the second with options:\n * .use([pluginD, [pluginE, {}]])\n * // Preset with plugins and settings:\n * .use({plugins: [pluginF, [pluginG, {}]], settings: {position: false}})\n * // Settings only:\n * .use({settings: {position: false}})\n * ```\n *\n * @template {Array} [Parameters=[]]\n * @template {Node | string | undefined} [Input=undefined]\n * @template [Output=Input]\n *\n * @overload\n * @param {Preset | null | undefined} [preset]\n * @returns {Processor}\n *\n * @overload\n * @param {PluggableList} list\n * @returns {Processor}\n *\n * @overload\n * @param {Plugin} plugin\n * @param {...(Parameters | [boolean])} parameters\n * @returns {UsePlugin}\n *\n * @param {PluggableList | Plugin | Preset | null | undefined} value\n * Usable value.\n * @param {...unknown} parameters\n * Parameters, when a plugin is given as a usable value.\n * @returns {Processor}\n * Current processor.\n */\n use(value, ...parameters) {\n const attachers = this.attachers\n const namespace = this.namespace\n\n assertUnfrozen('use', this.frozen)\n\n if (value === null || value === undefined) {\n // Empty.\n } else if (typeof value === 'function') {\n addPlugin(value, parameters)\n } else if (typeof value === 'object') {\n if (Array.isArray(value)) {\n addList(value)\n } else {\n addPreset(value)\n }\n } else {\n throw new TypeError('Expected usable value, not `' + value + '`')\n }\n\n return this\n\n /**\n * @param {Pluggable} value\n * @returns {undefined}\n */\n function add(value) {\n if (typeof value === 'function') {\n addPlugin(value, [])\n } else if (typeof value === 'object') {\n if (Array.isArray(value)) {\n const [plugin, ...parameters] =\n /** @type {PluginTuple>} */ (value)\n addPlugin(plugin, parameters)\n } else {\n addPreset(value)\n }\n } else {\n throw new TypeError('Expected usable value, not `' + value + '`')\n }\n }\n\n /**\n * @param {Preset} result\n * @returns {undefined}\n */\n function addPreset(result) {\n if (!('plugins' in result) && !('settings' in result)) {\n throw new Error(\n 'Expected usable value but received an empty preset, which is probably a mistake: presets typically come with `plugins` and sometimes with `settings`, but this has neither'\n )\n }\n\n addList(result.plugins)\n\n if (result.settings) {\n namespace.settings = extend(true, namespace.settings, result.settings)\n }\n }\n\n /**\n * @param {PluggableList | null | undefined} plugins\n * @returns {undefined}\n */\n function addList(plugins) {\n let index = -1\n\n if (plugins === null || plugins === undefined) {\n // Empty.\n } else if (Array.isArray(plugins)) {\n while (++index < plugins.length) {\n const thing = plugins[index]\n add(thing)\n }\n } else {\n throw new TypeError('Expected a list of plugins, not `' + plugins + '`')\n }\n }\n\n /**\n * @param {Plugin} plugin\n * @param {Array} parameters\n * @returns {undefined}\n */\n function addPlugin(plugin, parameters) {\n let index = -1\n let entryIndex = -1\n\n while (++index < attachers.length) {\n if (attachers[index][0] === plugin) {\n entryIndex = index\n break\n }\n }\n\n if (entryIndex === -1) {\n attachers.push([plugin, ...parameters])\n }\n // Only set if there was at least a `primary` value, otherwise we’d change\n // `arguments.length`.\n else if (parameters.length > 0) {\n let [primary, ...rest] = parameters\n const currentPrimary = attachers[entryIndex][1]\n if (isPlainObj(currentPrimary) && isPlainObj(primary)) {\n primary = extend(true, currentPrimary, primary)\n }\n\n attachers[entryIndex] = [plugin, primary, ...rest]\n }\n }\n }\n}\n\n// Note: this returns a *callable* instance.\n// That’s why it’s documented as a function.\n/**\n * Create a new processor.\n *\n * @example\n * This example shows how a new processor can be created (from `remark`) and linked\n * to **stdin**(4) and **stdout**(4).\n *\n * ```js\n * import process from 'node:process'\n * import concatStream from 'concat-stream'\n * import {remark} from 'remark'\n *\n * process.stdin.pipe(\n * concatStream(function (buf) {\n * process.stdout.write(String(remark().processSync(buf)))\n * })\n * )\n * ```\n *\n * @returns\n * New *unfrozen* processor (`processor`).\n *\n * This processor is configured to work the same as its ancestor.\n * When the descendant processor is configured in the future it does not\n * affect the ancestral processor.\n */\nexport const unified = new Processor().freeze()\n\n/**\n * Assert a parser is available.\n *\n * @param {string} name\n * @param {unknown} value\n * @returns {asserts value is Parser}\n */\nfunction assertParser(name, value) {\n if (typeof value !== 'function') {\n throw new TypeError('Cannot `' + name + '` without `parser`')\n }\n}\n\n/**\n * Assert a compiler is available.\n *\n * @param {string} name\n * @param {unknown} value\n * @returns {asserts value is Compiler}\n */\nfunction assertCompiler(name, value) {\n if (typeof value !== 'function') {\n throw new TypeError('Cannot `' + name + '` without `compiler`')\n }\n}\n\n/**\n * Assert the processor is not frozen.\n *\n * @param {string} name\n * @param {unknown} frozen\n * @returns {asserts frozen is false}\n */\nfunction assertUnfrozen(name, frozen) {\n if (frozen) {\n throw new Error(\n 'Cannot call `' +\n name +\n '` on a frozen processor.\\nCreate a new processor first, by calling it: use `processor()` instead of `processor`.'\n )\n }\n}\n\n/**\n * Assert `node` is a unist node.\n *\n * @param {unknown} node\n * @returns {asserts node is Node}\n */\nfunction assertNode(node) {\n // `isPlainObj` unfortunately uses `any` instead of `unknown`.\n // type-coverage:ignore-next-line\n if (!isPlainObj(node) || typeof node.type !== 'string') {\n throw new TypeError('Expected node, got `' + node + '`')\n // Fine.\n }\n}\n\n/**\n * Assert that `complete` is `true`.\n *\n * @param {string} name\n * @param {string} asyncName\n * @param {unknown} complete\n * @returns {asserts complete is true}\n */\nfunction assertDone(name, asyncName, complete) {\n if (!complete) {\n throw new Error(\n '`' + name + '` finished async. Use `' + asyncName + '` instead'\n )\n }\n}\n\n/**\n * @param {Compatible | undefined} [value]\n * @returns {VFile}\n */\nfunction vfile(value) {\n return looksLikeAVFile(value) ? value : new VFile(value)\n}\n\n/**\n * @param {Compatible | undefined} [value]\n * @returns {value is VFile}\n */\nfunction looksLikeAVFile(value) {\n return Boolean(\n value &&\n typeof value === 'object' &&\n 'message' in value &&\n 'messages' in value\n )\n}\n\n/**\n * @param {unknown} [value]\n * @returns {value is Value}\n */\nfunction looksLikeAValue(value) {\n return typeof value === 'string' || isUint8Array(value)\n}\n\n/**\n * Assert `value` is an `Uint8Array`.\n *\n * @param {unknown} value\n * thing.\n * @returns {value is Uint8Array}\n * Whether `value` is an `Uint8Array`.\n */\nfunction isUint8Array(value) {\n return Boolean(\n value &&\n typeof value === 'object' &&\n 'byteLength' in value &&\n 'byteOffset' in value\n )\n}\n","// Register `Raw` in tree:\n/// \n\n/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementContent} ElementContent\n * @typedef {import('hast').Nodes} Nodes\n * @typedef {import('hast').Parents} Parents\n * @typedef {import('hast').Root} Root\n * @typedef {import('hast-util-to-jsx-runtime').Components} JsxRuntimeComponents\n * @typedef {import('remark-rehype').Options} RemarkRehypeOptions\n * @typedef {import('unist-util-visit').BuildVisitor} Visitor\n * @typedef {import('unified').PluggableList} PluggableList\n */\n\n/**\n * @callback AllowElement\n * Filter elements.\n * @param {Readonly} element\n * Element to check.\n * @param {number} index\n * Index of `element` in `parent`.\n * @param {Readonly | undefined} parent\n * Parent of `element`.\n * @returns {boolean | null | undefined}\n * Whether to allow `element` (default: `false`).\n *\n * @typedef {Partial} Components\n * Map tag names to components.\n *\n * @typedef Deprecation\n * Deprecation.\n * @property {string} from\n * Old field.\n * @property {string} id\n * ID in readme.\n * @property {keyof Options} [to]\n * New field.\n *\n * @typedef Options\n * Configuration.\n * @property {AllowElement | null | undefined} [allowElement]\n * Filter elements (optional);\n * `allowedElements` / `disallowedElements` is used first.\n * @property {ReadonlyArray | null | undefined} [allowedElements]\n * Tag names to allow (default: all tag names);\n * cannot combine w/ `disallowedElements`.\n * @property {string | null | undefined} [children]\n * Markdown.\n * @property {string | null | undefined} [className]\n * Wrap in a `div` with this class name.\n * @property {Components | null | undefined} [components]\n * Map tag names to components.\n * @property {ReadonlyArray | null | undefined} [disallowedElements]\n * Tag names to disallow (default: `[]`);\n * cannot combine w/ `allowedElements`.\n * @property {PluggableList | null | undefined} [rehypePlugins]\n * List of rehype plugins to use.\n * @property {PluggableList | null | undefined} [remarkPlugins]\n * List of remark plugins to use.\n * @property {Readonly | null | undefined} [remarkRehypeOptions]\n * Options to pass through to `remark-rehype`.\n * @property {boolean | null | undefined} [skipHtml=false]\n * Ignore HTML in markdown completely (default: `false`).\n * @property {boolean | null | undefined} [unwrapDisallowed=false]\n * Extract (unwrap) what’s in disallowed elements (default: `false`);\n * normally when say `strong` is not allowed, it and it’s children are dropped,\n * with `unwrapDisallowed` the element itself is replaced by its children.\n * @property {UrlTransform | null | undefined} [urlTransform]\n * Change URLs (default: `defaultUrlTransform`)\n *\n * @callback UrlTransform\n * Transform all URLs.\n * @param {string} url\n * URL.\n * @param {string} key\n * Property name (example: `'href'`).\n * @param {Readonly} node\n * Node.\n * @returns {string | null | undefined}\n * Transformed URL (optional).\n */\n\nimport {unreachable} from 'devlop'\nimport {toJsxRuntime} from 'hast-util-to-jsx-runtime'\nimport {urlAttributes} from 'html-url-attributes'\n// @ts-expect-error: untyped.\nimport {Fragment, jsx, jsxs} from 'react/jsx-runtime'\nimport remarkParse from 'remark-parse'\nimport remarkRehype from 'remark-rehype'\nimport {unified} from 'unified'\nimport {visit} from 'unist-util-visit'\nimport {VFile} from 'vfile'\n\nconst changelog =\n 'https://github.com/remarkjs/react-markdown/blob/main/changelog.md'\n\n/** @type {PluggableList} */\nconst emptyPlugins = []\n/** @type {Readonly} */\nconst emptyRemarkRehypeOptions = {allowDangerousHtml: true}\nconst safeProtocol = /^(https?|ircs?|mailto|xmpp)$/i\n\n// Mutable because we `delete` any time it’s used and a message is sent.\n/** @type {ReadonlyArray>} */\nconst deprecations = [\n {from: 'astPlugins', id: 'remove-buggy-html-in-markdown-parser'},\n {from: 'allowDangerousHtml', id: 'remove-buggy-html-in-markdown-parser'},\n {\n from: 'allowNode',\n id: 'replace-allownode-allowedtypes-and-disallowedtypes',\n to: 'allowElement'\n },\n {\n from: 'allowedTypes',\n id: 'replace-allownode-allowedtypes-and-disallowedtypes',\n to: 'allowedElements'\n },\n {\n from: 'disallowedTypes',\n id: 'replace-allownode-allowedtypes-and-disallowedtypes',\n to: 'disallowedElements'\n },\n {from: 'escapeHtml', id: 'remove-buggy-html-in-markdown-parser'},\n {from: 'includeElementIndex', id: '#remove-includeelementindex'},\n {\n from: 'includeNodeIndex',\n id: 'change-includenodeindex-to-includeelementindex'\n },\n {from: 'linkTarget', id: 'remove-linktarget'},\n {from: 'plugins', id: 'change-plugins-to-remarkplugins', to: 'remarkPlugins'},\n {from: 'rawSourcePos', id: '#remove-rawsourcepos'},\n {from: 'renderers', id: 'change-renderers-to-components', to: 'components'},\n {from: 'source', id: 'change-source-to-children', to: 'children'},\n {from: 'sourcePos', id: '#remove-sourcepos'},\n {from: 'transformImageUri', id: '#add-urltransform', to: 'urlTransform'},\n {from: 'transformLinkUri', id: '#add-urltransform', to: 'urlTransform'}\n]\n\n/**\n * Component to render markdown.\n *\n * @param {Readonly} options\n * Props.\n * @returns {JSX.Element}\n * React element.\n */\nexport function Markdown(options) {\n const allowedElements = options.allowedElements\n const allowElement = options.allowElement\n const children = options.children || ''\n const className = options.className\n const components = options.components\n const disallowedElements = options.disallowedElements\n const rehypePlugins = options.rehypePlugins || emptyPlugins\n const remarkPlugins = options.remarkPlugins || emptyPlugins\n const remarkRehypeOptions = options.remarkRehypeOptions\n ? {...options.remarkRehypeOptions, ...emptyRemarkRehypeOptions}\n : emptyRemarkRehypeOptions\n const skipHtml = options.skipHtml\n const unwrapDisallowed = options.unwrapDisallowed\n const urlTransform = options.urlTransform || defaultUrlTransform\n\n const processor = unified()\n .use(remarkParse)\n .use(remarkPlugins)\n .use(remarkRehype, remarkRehypeOptions)\n .use(rehypePlugins)\n\n const file = new VFile()\n\n if (typeof children === 'string') {\n file.value = children\n } else {\n unreachable(\n 'Unexpected value `' +\n children +\n '` for `children` prop, expected `string`'\n )\n }\n\n if (allowedElements && disallowedElements) {\n unreachable(\n 'Unexpected combined `allowedElements` and `disallowedElements`, expected one or the other'\n )\n }\n\n for (const deprecation of deprecations) {\n if (Object.hasOwn(options, deprecation.from)) {\n unreachable(\n 'Unexpected `' +\n deprecation.from +\n '` prop, ' +\n (deprecation.to\n ? 'use `' + deprecation.to + '` instead'\n : 'remove it') +\n ' (see <' +\n changelog +\n '#' +\n deprecation.id +\n '> for more info)'\n )\n }\n }\n\n const mdastTree = processor.parse(file)\n /** @type {Nodes} */\n let hastTree = processor.runSync(mdastTree, file)\n\n // Wrap in `div` if there’s a class name.\n if (className) {\n hastTree = {\n type: 'element',\n tagName: 'div',\n properties: {className},\n // Assume no doctypes.\n children: /** @type {Array} */ (\n hastTree.type === 'root' ? hastTree.children : [hastTree]\n )\n }\n }\n\n visit(hastTree, transform)\n\n return toJsxRuntime(hastTree, {\n Fragment,\n components,\n ignoreInvalidStyle: true,\n jsx,\n jsxs,\n passKeys: true,\n passNode: true\n })\n\n /** @type {Visitor} */\n function transform(node, index, parent) {\n if (node.type === 'raw' && parent && typeof index === 'number') {\n if (skipHtml) {\n parent.children.splice(index, 1)\n } else {\n parent.children[index] = {type: 'text', value: node.value}\n }\n\n return index\n }\n\n if (node.type === 'element') {\n /** @type {string} */\n let key\n\n for (key in urlAttributes) {\n if (\n Object.hasOwn(urlAttributes, key) &&\n Object.hasOwn(node.properties, key)\n ) {\n const value = node.properties[key]\n const test = urlAttributes[key]\n if (test === null || test.includes(node.tagName)) {\n node.properties[key] = urlTransform(String(value || ''), key, node)\n }\n }\n }\n }\n\n if (node.type === 'element') {\n let remove = allowedElements\n ? !allowedElements.includes(node.tagName)\n : disallowedElements\n ? disallowedElements.includes(node.tagName)\n : false\n\n if (!remove && allowElement && typeof index === 'number') {\n remove = !allowElement(node, index, parent)\n }\n\n if (remove && parent && typeof index === 'number') {\n if (unwrapDisallowed && node.children) {\n parent.children.splice(index, 1, ...node.children)\n } else {\n parent.children.splice(index, 1)\n }\n\n return index\n }\n }\n }\n}\n\n/**\n * Make a URL safe.\n *\n * @satisfies {UrlTransform}\n * @param {string} value\n * URL.\n * @returns {string}\n * Safe URL.\n */\nexport function defaultUrlTransform(value) {\n // Same as:\n // \n // But without the `encode` part.\n const colon = value.indexOf(':')\n const questionMark = value.indexOf('?')\n const numberSign = value.indexOf('#')\n const slash = value.indexOf('/')\n\n if (\n // If there is no protocol, it’s relative.\n colon < 0 ||\n // If the first colon is after a `?`, `#`, or `/`, it’s not a protocol.\n (slash > -1 && colon > slash) ||\n (questionMark > -1 && colon > questionMark) ||\n (numberSign > -1 && colon > numberSign) ||\n // It is a protocol, it should be allowed.\n safeProtocol.test(value.slice(0, colon))\n ) {\n return value\n }\n\n return ''\n}\n","/**\n * Count how often a character (or substring) is used in a string.\n *\n * @param {string} value\n * Value to search in.\n * @param {string} character\n * Character (or substring) to look for.\n * @return {number}\n * Number of times `character` occurred in `value`.\n */\nexport function ccount(value, character) {\n const source = String(value)\n\n if (typeof character !== 'string') {\n throw new TypeError('Expected character')\n }\n\n let count = 0\n let index = source.indexOf(character)\n\n while (index !== -1) {\n count++\n index = source.indexOf(character, index + character.length)\n }\n\n return count\n}\n","/**\n * @typedef {import('mdast').Nodes} Nodes\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('mdast').PhrasingContent} PhrasingContent\n * @typedef {import('mdast').Root} Root\n * @typedef {import('mdast').Text} Text\n * @typedef {import('unist-util-visit-parents').Test} Test\n * @typedef {import('unist-util-visit-parents').VisitorResult} VisitorResult\n */\n\n/**\n * @typedef RegExpMatchObject\n * Info on the match.\n * @property {number} index\n * The index of the search at which the result was found.\n * @property {string} input\n * A copy of the search string in the text node.\n * @property {[...Array, Text]} stack\n * All ancestors of the text node, where the last node is the text itself.\n *\n * @typedef {RegExp | string} Find\n * Pattern to find.\n *\n * Strings are escaped and then turned into global expressions.\n *\n * @typedef {Array} FindAndReplaceList\n * Several find and replaces, in array form.\n *\n * @typedef {[Find, Replace?]} FindAndReplaceTuple\n * Find and replace in tuple form.\n *\n * @typedef {ReplaceFunction | string | null | undefined} Replace\n * Thing to replace with.\n *\n * @callback ReplaceFunction\n * Callback called when a search matches.\n * @param {...any} parameters\n * The parameters are the result of corresponding search expression:\n *\n * * `value` (`string`) — whole match\n * * `...capture` (`Array`) — matches from regex capture groups\n * * `match` (`RegExpMatchObject`) — info on the match\n * @returns {Array | PhrasingContent | string | false | null | undefined}\n * Thing to replace with.\n *\n * * when `null`, `undefined`, `''`, remove the match\n * * …or when `false`, do not replace at all\n * * …or when `string`, replace with a text node of that value\n * * …or when `Node` or `Array`, replace with those nodes\n *\n * @typedef {[RegExp, ReplaceFunction]} Pair\n * Normalized find and replace.\n *\n * @typedef {Array} Pairs\n * All find and replaced.\n *\n * @typedef Options\n * Configuration.\n * @property {Test | null | undefined} [ignore]\n * Test for which nodes to ignore (optional).\n */\n\nimport escape from 'escape-string-regexp'\nimport {visitParents} from 'unist-util-visit-parents'\nimport {convert} from 'unist-util-is'\n\n/**\n * Find patterns in a tree and replace them.\n *\n * The algorithm searches the tree in *preorder* for complete values in `Text`\n * nodes.\n * Partial matches are not supported.\n *\n * @param {Nodes} tree\n * Tree to change.\n * @param {FindAndReplaceList | FindAndReplaceTuple} list\n * Patterns to find.\n * @param {Options | null | undefined} [options]\n * Configuration (when `find` is not `Find`).\n * @returns {undefined}\n * Nothing.\n */\nexport function findAndReplace(tree, list, options) {\n const settings = options || {}\n const ignored = convert(settings.ignore || [])\n const pairs = toPairs(list)\n let pairIndex = -1\n\n while (++pairIndex < pairs.length) {\n visitParents(tree, 'text', visitor)\n }\n\n /** @type {import('unist-util-visit-parents').BuildVisitor} */\n function visitor(node, parents) {\n let index = -1\n /** @type {Parents | undefined} */\n let grandparent\n\n while (++index < parents.length) {\n const parent = parents[index]\n /** @type {Array | undefined} */\n const siblings = grandparent ? grandparent.children : undefined\n\n if (\n ignored(\n parent,\n siblings ? siblings.indexOf(parent) : undefined,\n grandparent\n )\n ) {\n return\n }\n\n grandparent = parent\n }\n\n if (grandparent) {\n return handler(node, parents)\n }\n }\n\n /**\n * Handle a text node which is not in an ignored parent.\n *\n * @param {Text} node\n * Text node.\n * @param {Array} parents\n * Parents.\n * @returns {VisitorResult}\n * Result.\n */\n function handler(node, parents) {\n const parent = parents[parents.length - 1]\n const find = pairs[pairIndex][0]\n const replace = pairs[pairIndex][1]\n let start = 0\n /** @type {Array} */\n const siblings = parent.children\n const index = siblings.indexOf(node)\n let change = false\n /** @type {Array} */\n let nodes = []\n\n find.lastIndex = 0\n\n let match = find.exec(node.value)\n\n while (match) {\n const position = match.index\n /** @type {RegExpMatchObject} */\n const matchObject = {\n index: match.index,\n input: match.input,\n stack: [...parents, node]\n }\n let value = replace(...match, matchObject)\n\n if (typeof value === 'string') {\n value = value.length > 0 ? {type: 'text', value} : undefined\n }\n\n // It wasn’t a match after all.\n if (value === false) {\n // False acts as if there was no match.\n // So we need to reset `lastIndex`, which currently being at the end of\n // the current match, to the beginning.\n find.lastIndex = position + 1\n } else {\n if (start !== position) {\n nodes.push({\n type: 'text',\n value: node.value.slice(start, position)\n })\n }\n\n if (Array.isArray(value)) {\n nodes.push(...value)\n } else if (value) {\n nodes.push(value)\n }\n\n start = position + match[0].length\n change = true\n }\n\n if (!find.global) {\n break\n }\n\n match = find.exec(node.value)\n }\n\n if (change) {\n if (start < node.value.length) {\n nodes.push({type: 'text', value: node.value.slice(start)})\n }\n\n parent.children.splice(index, 1, ...nodes)\n } else {\n nodes = [node]\n }\n\n return index + nodes.length\n }\n}\n\n/**\n * Turn a tuple or a list of tuples into pairs.\n *\n * @param {FindAndReplaceList | FindAndReplaceTuple} tupleOrList\n * Schema.\n * @returns {Pairs}\n * Clean pairs.\n */\nfunction toPairs(tupleOrList) {\n /** @type {Pairs} */\n const result = []\n\n if (!Array.isArray(tupleOrList)) {\n throw new TypeError('Expected find and replace tuple or list of tuples')\n }\n\n /** @type {FindAndReplaceList} */\n // @ts-expect-error: correct.\n const list =\n !tupleOrList[0] || Array.isArray(tupleOrList[0])\n ? tupleOrList\n : [tupleOrList]\n\n let index = -1\n\n while (++index < list.length) {\n const tuple = list[index]\n result.push([toExpression(tuple[0]), toFunction(tuple[1])])\n }\n\n return result\n}\n\n/**\n * Turn a find into an expression.\n *\n * @param {Find} find\n * Find.\n * @returns {RegExp}\n * Expression.\n */\nfunction toExpression(find) {\n return typeof find === 'string' ? new RegExp(escape(find), 'g') : find\n}\n\n/**\n * Turn a replace into a function.\n *\n * @param {Replace} replace\n * Replace.\n * @returns {ReplaceFunction}\n * Function.\n */\nfunction toFunction(replace) {\n return typeof replace === 'function'\n ? replace\n : function () {\n return replace\n }\n}\n","export default function escapeStringRegexp(string) {\n\tif (typeof string !== 'string') {\n\t\tthrow new TypeError('Expected a string');\n\t}\n\n\t// Escape characters with special meaning either inside or outside character sets.\n\t// Use a simple backslash escape when it’s always valid, and a `\\xnn` escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.\n\treturn string\n\t\t.replace(/[|\\\\{}()[\\]^$+*?.]/g, '\\\\$&')\n\t\t.replace(/-/g, '\\\\x2d');\n}\n","/**\n * @import {RegExpMatchObject, ReplaceFunction} from 'mdast-util-find-and-replace'\n * @import {CompileContext, Extension as FromMarkdownExtension, Handle as FromMarkdownHandle, Transform as FromMarkdownTransform} from 'mdast-util-from-markdown'\n * @import {ConstructName, Options as ToMarkdownExtension} from 'mdast-util-to-markdown'\n * @import {Link, PhrasingContent} from 'mdast'\n */\n\nimport {ccount} from 'ccount'\nimport {ok as assert} from 'devlop'\nimport {unicodePunctuation, unicodeWhitespace} from 'micromark-util-character'\nimport {findAndReplace} from 'mdast-util-find-and-replace'\n\n/** @type {ConstructName} */\nconst inConstruct = 'phrasing'\n/** @type {Array} */\nconst notInConstruct = ['autolink', 'link', 'image', 'label']\n\n/**\n * Create an extension for `mdast-util-from-markdown` to enable GFM autolink\n * literals in markdown.\n *\n * @returns {FromMarkdownExtension}\n * Extension for `mdast-util-to-markdown` to enable GFM autolink literals.\n */\nexport function gfmAutolinkLiteralFromMarkdown() {\n return {\n transforms: [transformGfmAutolinkLiterals],\n enter: {\n literalAutolink: enterLiteralAutolink,\n literalAutolinkEmail: enterLiteralAutolinkValue,\n literalAutolinkHttp: enterLiteralAutolinkValue,\n literalAutolinkWww: enterLiteralAutolinkValue\n },\n exit: {\n literalAutolink: exitLiteralAutolink,\n literalAutolinkEmail: exitLiteralAutolinkEmail,\n literalAutolinkHttp: exitLiteralAutolinkHttp,\n literalAutolinkWww: exitLiteralAutolinkWww\n }\n }\n}\n\n/**\n * Create an extension for `mdast-util-to-markdown` to enable GFM autolink\n * literals in markdown.\n *\n * @returns {ToMarkdownExtension}\n * Extension for `mdast-util-to-markdown` to enable GFM autolink literals.\n */\nexport function gfmAutolinkLiteralToMarkdown() {\n return {\n unsafe: [\n {\n character: '@',\n before: '[+\\\\-.\\\\w]',\n after: '[\\\\-.\\\\w]',\n inConstruct,\n notInConstruct\n },\n {\n character: '.',\n before: '[Ww]',\n after: '[\\\\-.\\\\w]',\n inConstruct,\n notInConstruct\n },\n {\n character: ':',\n before: '[ps]',\n after: '\\\\/',\n inConstruct,\n notInConstruct\n }\n ]\n }\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterLiteralAutolink(token) {\n this.enter({type: 'link', title: null, url: '', children: []}, token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterLiteralAutolinkValue(token) {\n this.config.enter.autolinkProtocol.call(this, token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitLiteralAutolinkHttp(token) {\n this.config.exit.autolinkProtocol.call(this, token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitLiteralAutolinkWww(token) {\n this.config.exit.data.call(this, token)\n const node = this.stack[this.stack.length - 1]\n assert(node.type === 'link')\n node.url = 'http://' + this.sliceSerialize(token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitLiteralAutolinkEmail(token) {\n this.config.exit.autolinkEmail.call(this, token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitLiteralAutolink(token) {\n this.exit(token)\n}\n\n/** @type {FromMarkdownTransform} */\nfunction transformGfmAutolinkLiterals(tree) {\n findAndReplace(\n tree,\n [\n [/(https?:\\/\\/|www(?=\\.))([-.\\w]+)([^ \\t\\r\\n]*)/gi, findUrl],\n [/(?<=^|\\s|\\p{P}|\\p{S})([-.\\w+]+)@([-\\w]+(?:\\.[-\\w]+)+)/gu, findEmail]\n ],\n {ignore: ['link', 'linkReference']}\n )\n}\n\n/**\n * @type {ReplaceFunction}\n * @param {string} _\n * @param {string} protocol\n * @param {string} domain\n * @param {string} path\n * @param {RegExpMatchObject} match\n * @returns {Array | Link | false}\n */\n// eslint-disable-next-line max-params\nfunction findUrl(_, protocol, domain, path, match) {\n let prefix = ''\n\n // Not an expected previous character.\n if (!previous(match)) {\n return false\n }\n\n // Treat `www` as part of the domain.\n if (/^w/i.test(protocol)) {\n domain = protocol + domain\n protocol = ''\n prefix = 'http://'\n }\n\n if (!isCorrectDomain(domain)) {\n return false\n }\n\n const parts = splitUrl(domain + path)\n\n if (!parts[0]) return false\n\n /** @type {Link} */\n const result = {\n type: 'link',\n title: null,\n url: prefix + protocol + parts[0],\n children: [{type: 'text', value: protocol + parts[0]}]\n }\n\n if (parts[1]) {\n return [result, {type: 'text', value: parts[1]}]\n }\n\n return result\n}\n\n/**\n * @type {ReplaceFunction}\n * @param {string} _\n * @param {string} atext\n * @param {string} label\n * @param {RegExpMatchObject} match\n * @returns {Link | false}\n */\nfunction findEmail(_, atext, label, match) {\n if (\n // Not an expected previous character.\n !previous(match, true) ||\n // Label ends in not allowed character.\n /[-\\d_]$/.test(label)\n ) {\n return false\n }\n\n return {\n type: 'link',\n title: null,\n url: 'mailto:' + atext + '@' + label,\n children: [{type: 'text', value: atext + '@' + label}]\n }\n}\n\n/**\n * @param {string} domain\n * @returns {boolean}\n */\nfunction isCorrectDomain(domain) {\n const parts = domain.split('.')\n\n if (\n parts.length < 2 ||\n (parts[parts.length - 1] &&\n (/_/.test(parts[parts.length - 1]) ||\n !/[a-zA-Z\\d]/.test(parts[parts.length - 1]))) ||\n (parts[parts.length - 2] &&\n (/_/.test(parts[parts.length - 2]) ||\n !/[a-zA-Z\\d]/.test(parts[parts.length - 2])))\n ) {\n return false\n }\n\n return true\n}\n\n/**\n * @param {string} url\n * @returns {[string, string | undefined]}\n */\nfunction splitUrl(url) {\n const trailExec = /[!\"&'),.:;<>?\\]}]+$/.exec(url)\n\n if (!trailExec) {\n return [url, undefined]\n }\n\n url = url.slice(0, trailExec.index)\n\n let trail = trailExec[0]\n let closingParenIndex = trail.indexOf(')')\n const openingParens = ccount(url, '(')\n let closingParens = ccount(url, ')')\n\n while (closingParenIndex !== -1 && openingParens > closingParens) {\n url += trail.slice(0, closingParenIndex + 1)\n trail = trail.slice(closingParenIndex + 1)\n closingParenIndex = trail.indexOf(')')\n closingParens++\n }\n\n return [url, trail]\n}\n\n/**\n * @param {RegExpMatchObject} match\n * @param {boolean | null | undefined} [email=false]\n * @returns {boolean}\n */\nfunction previous(match, email) {\n const code = match.input.charCodeAt(match.index - 1)\n\n return (\n (match.index === 0 ||\n unicodeWhitespace(code) ||\n unicodePunctuation(code)) &&\n // If it’s an email, the previous character should not be a slash.\n (!email || code !== 47)\n )\n}\n","/**\n * @typedef {import('mdast').FootnoteDefinition} FootnoteDefinition\n * @typedef {import('mdast').FootnoteReference} FootnoteReference\n * @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext\n * @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension\n * @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle\n * @typedef {import('mdast-util-to-markdown').Handle} ToMarkdownHandle\n * @typedef {import('mdast-util-to-markdown').Map} Map\n * @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension\n */\n\nimport {ok as assert} from 'devlop'\nimport {normalizeIdentifier} from 'micromark-util-normalize-identifier'\n\nfootnoteReference.peek = footnoteReferencePeek\n\n/**\n * Create an extension for `mdast-util-from-markdown` to enable GFM footnotes\n * in markdown.\n *\n * @returns {FromMarkdownExtension}\n * Extension for `mdast-util-from-markdown`.\n */\nexport function gfmFootnoteFromMarkdown() {\n return {\n enter: {\n gfmFootnoteDefinition: enterFootnoteDefinition,\n gfmFootnoteDefinitionLabelString: enterFootnoteDefinitionLabelString,\n gfmFootnoteCall: enterFootnoteCall,\n gfmFootnoteCallString: enterFootnoteCallString\n },\n exit: {\n gfmFootnoteDefinition: exitFootnoteDefinition,\n gfmFootnoteDefinitionLabelString: exitFootnoteDefinitionLabelString,\n gfmFootnoteCall: exitFootnoteCall,\n gfmFootnoteCallString: exitFootnoteCallString\n }\n }\n}\n\n/**\n * Create an extension for `mdast-util-to-markdown` to enable GFM footnotes\n * in markdown.\n *\n * @returns {ToMarkdownExtension}\n * Extension for `mdast-util-to-markdown`.\n */\nexport function gfmFootnoteToMarkdown() {\n return {\n // This is on by default already.\n unsafe: [{character: '[', inConstruct: ['phrasing', 'label', 'reference']}],\n handlers: {footnoteDefinition, footnoteReference}\n }\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterFootnoteDefinition(token) {\n this.enter(\n {type: 'footnoteDefinition', identifier: '', label: '', children: []},\n token\n )\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterFootnoteDefinitionLabelString() {\n this.buffer()\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitFootnoteDefinitionLabelString(token) {\n const label = this.resume()\n const node = this.stack[this.stack.length - 1]\n assert(node.type === 'footnoteDefinition')\n node.label = label\n node.identifier = normalizeIdentifier(\n this.sliceSerialize(token)\n ).toLowerCase()\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitFootnoteDefinition(token) {\n this.exit(token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterFootnoteCall(token) {\n this.enter({type: 'footnoteReference', identifier: '', label: ''}, token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterFootnoteCallString() {\n this.buffer()\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitFootnoteCallString(token) {\n const label = this.resume()\n const node = this.stack[this.stack.length - 1]\n assert(node.type === 'footnoteReference')\n node.label = label\n node.identifier = normalizeIdentifier(\n this.sliceSerialize(token)\n ).toLowerCase()\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitFootnoteCall(token) {\n this.exit(token)\n}\n\n/**\n * @type {ToMarkdownHandle}\n * @param {FootnoteReference} node\n */\nfunction footnoteReference(node, _, state, info) {\n const tracker = state.createTracker(info)\n let value = tracker.move('[^')\n const exit = state.enter('footnoteReference')\n const subexit = state.enter('reference')\n value += tracker.move(\n state.safe(state.associationId(node), {\n ...tracker.current(),\n before: value,\n after: ']'\n })\n )\n subexit()\n exit()\n value += tracker.move(']')\n return value\n}\n\n/** @type {ToMarkdownHandle} */\nfunction footnoteReferencePeek() {\n return '['\n}\n\n/**\n * @type {ToMarkdownHandle}\n * @param {FootnoteDefinition} node\n */\nfunction footnoteDefinition(node, _, state, info) {\n const tracker = state.createTracker(info)\n let value = tracker.move('[^')\n const exit = state.enter('footnoteDefinition')\n const subexit = state.enter('label')\n value += tracker.move(\n state.safe(state.associationId(node), {\n ...tracker.current(),\n before: value,\n after: ']'\n })\n )\n subexit()\n value += tracker.move(\n ']:' + (node.children && node.children.length > 0 ? ' ' : '')\n )\n tracker.shift(4)\n value += tracker.move(\n state.indentLines(state.containerFlow(node, tracker.current()), map)\n )\n exit()\n\n return value\n}\n\n/** @type {Map} */\nfunction map(line, index, blank) {\n if (index === 0) {\n return line\n }\n\n return (blank ? '' : ' ') + line\n}\n","/**\n * @typedef {import('mdast').Delete} Delete\n *\n * @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext\n * @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension\n * @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle\n *\n * @typedef {import('mdast-util-to-markdown').ConstructName} ConstructName\n * @typedef {import('mdast-util-to-markdown').Handle} ToMarkdownHandle\n * @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension\n */\n\n/**\n * List of constructs that occur in phrasing (paragraphs, headings), but cannot\n * contain strikethrough.\n * So they sort of cancel each other out.\n * Note: could use a better name.\n *\n * Note: keep in sync with: \n *\n * @type {Array}\n */\nconst constructsWithoutStrikethrough = [\n 'autolink',\n 'destinationLiteral',\n 'destinationRaw',\n 'reference',\n 'titleQuote',\n 'titleApostrophe'\n]\n\nhandleDelete.peek = peekDelete\n\n/**\n * Create an extension for `mdast-util-from-markdown` to enable GFM\n * strikethrough in markdown.\n *\n * @returns {FromMarkdownExtension}\n * Extension for `mdast-util-from-markdown` to enable GFM strikethrough.\n */\nexport function gfmStrikethroughFromMarkdown() {\n return {\n canContainEols: ['delete'],\n enter: {strikethrough: enterStrikethrough},\n exit: {strikethrough: exitStrikethrough}\n }\n}\n\n/**\n * Create an extension for `mdast-util-to-markdown` to enable GFM\n * strikethrough in markdown.\n *\n * @returns {ToMarkdownExtension}\n * Extension for `mdast-util-to-markdown` to enable GFM strikethrough.\n */\nexport function gfmStrikethroughToMarkdown() {\n return {\n unsafe: [\n {\n character: '~',\n inConstruct: 'phrasing',\n notInConstruct: constructsWithoutStrikethrough\n }\n ],\n handlers: {delete: handleDelete}\n }\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterStrikethrough(token) {\n this.enter({type: 'delete', children: []}, token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitStrikethrough(token) {\n this.exit(token)\n}\n\n/**\n * @type {ToMarkdownHandle}\n * @param {Delete} node\n */\nfunction handleDelete(node, _, state, info) {\n const tracker = state.createTracker(info)\n const exit = state.enter('strikethrough')\n let value = tracker.move('~~')\n value += state.containerPhrasing(node, {\n ...tracker.current(),\n before: value,\n after: '~'\n })\n value += tracker.move('~~')\n exit()\n return value\n}\n\n/** @type {ToMarkdownHandle} */\nfunction peekDelete() {\n return '~'\n}\n","// To do: next major: remove.\n/**\n * @typedef {Options} MarkdownTableOptions\n * Configuration.\n */\n\n/**\n * @typedef Options\n * Configuration.\n * @property {boolean | null | undefined} [alignDelimiters=true]\n * Whether to align the delimiters (default: `true`);\n * they are aligned by default:\n *\n * ```markdown\n * | Alpha | B |\n * | ----- | ----- |\n * | C | Delta |\n * ```\n *\n * Pass `false` to make them staggered:\n *\n * ```markdown\n * | Alpha | B |\n * | - | - |\n * | C | Delta |\n * ```\n * @property {ReadonlyArray | string | null | undefined} [align]\n * How to align columns (default: `''`);\n * one style for all columns or styles for their respective columns;\n * each style is either `'l'` (left), `'r'` (right), or `'c'` (center);\n * other values are treated as `''`, which doesn’t place the colon in the\n * alignment row but does align left;\n * *only the lowercased first character is used, so `Right` is fine.*\n * @property {boolean | null | undefined} [delimiterEnd=true]\n * Whether to end each row with the delimiter (default: `true`).\n *\n * > 👉 **Note**: please don’t use this: it could create fragile structures\n * > that aren’t understandable to some markdown parsers.\n *\n * When `true`, there are ending delimiters:\n *\n * ```markdown\n * | Alpha | B |\n * | ----- | ----- |\n * | C | Delta |\n * ```\n *\n * When `false`, there are no ending delimiters:\n *\n * ```markdown\n * | Alpha | B\n * | ----- | -----\n * | C | Delta\n * ```\n * @property {boolean | null | undefined} [delimiterStart=true]\n * Whether to begin each row with the delimiter (default: `true`).\n *\n * > 👉 **Note**: please don’t use this: it could create fragile structures\n * > that aren’t understandable to some markdown parsers.\n *\n * When `true`, there are starting delimiters:\n *\n * ```markdown\n * | Alpha | B |\n * | ----- | ----- |\n * | C | Delta |\n * ```\n *\n * When `false`, there are no starting delimiters:\n *\n * ```markdown\n * Alpha | B |\n * ----- | ----- |\n * C | Delta |\n * ```\n * @property {boolean | null | undefined} [padding=true]\n * Whether to add a space of padding between delimiters and cells\n * (default: `true`).\n *\n * When `true`, there is padding:\n *\n * ```markdown\n * | Alpha | B |\n * | ----- | ----- |\n * | C | Delta |\n * ```\n *\n * When `false`, there is no padding:\n *\n * ```markdown\n * |Alpha|B |\n * |-----|-----|\n * |C |Delta|\n * ```\n * @property {((value: string) => number) | null | undefined} [stringLength]\n * Function to detect the length of table cell content (optional);\n * this is used when aligning the delimiters (`|`) between table cells;\n * full-width characters and emoji mess up delimiter alignment when viewing\n * the markdown source;\n * to fix this, you can pass this function,\n * which receives the cell content and returns its “visible” size;\n * note that what is and isn’t visible depends on where the text is displayed.\n *\n * Without such a function, the following:\n *\n * ```js\n * markdownTable([\n * ['Alpha', 'Bravo'],\n * ['中文', 'Charlie'],\n * ['👩‍❤️‍👩', 'Delta']\n * ])\n * ```\n *\n * Yields:\n *\n * ```markdown\n * | Alpha | Bravo |\n * | - | - |\n * | 中文 | Charlie |\n * | 👩‍❤️‍👩 | Delta |\n * ```\n *\n * With [`string-width`](https://github.com/sindresorhus/string-width):\n *\n * ```js\n * import stringWidth from 'string-width'\n *\n * markdownTable(\n * [\n * ['Alpha', 'Bravo'],\n * ['中文', 'Charlie'],\n * ['👩‍❤️‍👩', 'Delta']\n * ],\n * {stringLength: stringWidth}\n * )\n * ```\n *\n * Yields:\n *\n * ```markdown\n * | Alpha | Bravo |\n * | ----- | ------- |\n * | 中文 | Charlie |\n * | 👩‍❤️‍👩 | Delta |\n * ```\n */\n\n/**\n * @param {string} value\n * Cell value.\n * @returns {number}\n * Cell size.\n */\nfunction defaultStringLength(value) {\n return value.length\n}\n\n/**\n * Generate a markdown\n * ([GFM](https://docs.github.com/en/github/writing-on-github/working-with-advanced-formatting/organizing-information-with-tables))\n * table.\n *\n * @param {ReadonlyArray>} table\n * Table data (matrix of strings).\n * @param {Readonly | null | undefined} [options]\n * Configuration (optional).\n * @returns {string}\n * Result.\n */\nexport function markdownTable(table, options) {\n const settings = options || {}\n // To do: next major: change to spread.\n const align = (settings.align || []).concat()\n const stringLength = settings.stringLength || defaultStringLength\n /** @type {Array} Character codes as symbols for alignment per column. */\n const alignments = []\n /** @type {Array>} Cells per row. */\n const cellMatrix = []\n /** @type {Array>} Sizes of each cell per row. */\n const sizeMatrix = []\n /** @type {Array} */\n const longestCellByColumn = []\n let mostCellsPerRow = 0\n let rowIndex = -1\n\n // This is a superfluous loop if we don’t align delimiters, but otherwise we’d\n // do superfluous work when aligning, so optimize for aligning.\n while (++rowIndex < table.length) {\n /** @type {Array} */\n const row = []\n /** @type {Array} */\n const sizes = []\n let columnIndex = -1\n\n if (table[rowIndex].length > mostCellsPerRow) {\n mostCellsPerRow = table[rowIndex].length\n }\n\n while (++columnIndex < table[rowIndex].length) {\n const cell = serialize(table[rowIndex][columnIndex])\n\n if (settings.alignDelimiters !== false) {\n const size = stringLength(cell)\n sizes[columnIndex] = size\n\n if (\n longestCellByColumn[columnIndex] === undefined ||\n size > longestCellByColumn[columnIndex]\n ) {\n longestCellByColumn[columnIndex] = size\n }\n }\n\n row.push(cell)\n }\n\n cellMatrix[rowIndex] = row\n sizeMatrix[rowIndex] = sizes\n }\n\n // Figure out which alignments to use.\n let columnIndex = -1\n\n if (typeof align === 'object' && 'length' in align) {\n while (++columnIndex < mostCellsPerRow) {\n alignments[columnIndex] = toAlignment(align[columnIndex])\n }\n } else {\n const code = toAlignment(align)\n\n while (++columnIndex < mostCellsPerRow) {\n alignments[columnIndex] = code\n }\n }\n\n // Inject the alignment row.\n columnIndex = -1\n /** @type {Array} */\n const row = []\n /** @type {Array} */\n const sizes = []\n\n while (++columnIndex < mostCellsPerRow) {\n const code = alignments[columnIndex]\n let before = ''\n let after = ''\n\n if (code === 99 /* `c` */) {\n before = ':'\n after = ':'\n } else if (code === 108 /* `l` */) {\n before = ':'\n } else if (code === 114 /* `r` */) {\n after = ':'\n }\n\n // There *must* be at least one hyphen-minus in each alignment cell.\n let size =\n settings.alignDelimiters === false\n ? 1\n : Math.max(\n 1,\n longestCellByColumn[columnIndex] - before.length - after.length\n )\n\n const cell = before + '-'.repeat(size) + after\n\n if (settings.alignDelimiters !== false) {\n size = before.length + size + after.length\n\n if (size > longestCellByColumn[columnIndex]) {\n longestCellByColumn[columnIndex] = size\n }\n\n sizes[columnIndex] = size\n }\n\n row[columnIndex] = cell\n }\n\n // Inject the alignment row.\n cellMatrix.splice(1, 0, row)\n sizeMatrix.splice(1, 0, sizes)\n\n rowIndex = -1\n /** @type {Array} */\n const lines = []\n\n while (++rowIndex < cellMatrix.length) {\n const row = cellMatrix[rowIndex]\n const sizes = sizeMatrix[rowIndex]\n columnIndex = -1\n /** @type {Array} */\n const line = []\n\n while (++columnIndex < mostCellsPerRow) {\n const cell = row[columnIndex] || ''\n let before = ''\n let after = ''\n\n if (settings.alignDelimiters !== false) {\n const size =\n longestCellByColumn[columnIndex] - (sizes[columnIndex] || 0)\n const code = alignments[columnIndex]\n\n if (code === 114 /* `r` */) {\n before = ' '.repeat(size)\n } else if (code === 99 /* `c` */) {\n if (size % 2) {\n before = ' '.repeat(size / 2 + 0.5)\n after = ' '.repeat(size / 2 - 0.5)\n } else {\n before = ' '.repeat(size / 2)\n after = before\n }\n } else {\n after = ' '.repeat(size)\n }\n }\n\n if (settings.delimiterStart !== false && !columnIndex) {\n line.push('|')\n }\n\n if (\n settings.padding !== false &&\n // Don’t add the opening space if we’re not aligning and the cell is\n // empty: there will be a closing space.\n !(settings.alignDelimiters === false && cell === '') &&\n (settings.delimiterStart !== false || columnIndex)\n ) {\n line.push(' ')\n }\n\n if (settings.alignDelimiters !== false) {\n line.push(before)\n }\n\n line.push(cell)\n\n if (settings.alignDelimiters !== false) {\n line.push(after)\n }\n\n if (settings.padding !== false) {\n line.push(' ')\n }\n\n if (\n settings.delimiterEnd !== false ||\n columnIndex !== mostCellsPerRow - 1\n ) {\n line.push('|')\n }\n }\n\n lines.push(\n settings.delimiterEnd === false\n ? line.join('').replace(/ +$/, '')\n : line.join('')\n )\n }\n\n return lines.join('\\n')\n}\n\n/**\n * @param {string | null | undefined} [value]\n * Value to serialize.\n * @returns {string}\n * Result.\n */\nfunction serialize(value) {\n return value === null || value === undefined ? '' : String(value)\n}\n\n/**\n * @param {string | null | undefined} value\n * Value.\n * @returns {number}\n * Alignment.\n */\nfunction toAlignment(value) {\n const code = typeof value === 'string' ? value.codePointAt(0) : 0\n\n return code === 67 /* `C` */ || code === 99 /* `c` */\n ? 99 /* `c` */\n : code === 76 /* `L` */ || code === 108 /* `l` */\n ? 108 /* `l` */\n : code === 82 /* `R` */ || code === 114 /* `r` */\n ? 114 /* `r` */\n : 0\n}\n","/**\n * @import {Blockquote, Parents} from 'mdast'\n * @import {Info, Map, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {Blockquote} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function blockquote(node, _, state, info) {\n const exit = state.enter('blockquote')\n const tracker = state.createTracker(info)\n tracker.move('> ')\n tracker.shift(2)\n const value = state.indentLines(\n state.containerFlow(node, tracker.current()),\n map\n )\n exit()\n return value\n}\n\n/** @type {Map} */\nfunction map(line, _, blank) {\n return '>' + (blank ? '' : ' ') + line\n}\n","/**\n * @import {ConstructName, Unsafe} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {Array} stack\n * @param {Unsafe} pattern\n * @returns {boolean}\n */\nexport function patternInScope(stack, pattern) {\n return (\n listInScope(stack, pattern.inConstruct, true) &&\n !listInScope(stack, pattern.notInConstruct, false)\n )\n}\n\n/**\n * @param {Array} stack\n * @param {Unsafe['inConstruct']} list\n * @param {boolean} none\n * @returns {boolean}\n */\nfunction listInScope(stack, list, none) {\n if (typeof list === 'string') {\n list = [list]\n }\n\n if (!list || list.length === 0) {\n return none\n }\n\n let index = -1\n\n while (++index < list.length) {\n if (stack.includes(list[index])) {\n return true\n }\n }\n\n return false\n}\n","/**\n * @import {Break, Parents} from 'mdast'\n * @import {Info, State} from 'mdast-util-to-markdown'\n */\n\nimport {patternInScope} from '../util/pattern-in-scope.js'\n\n/**\n * @param {Break} _\n * @param {Parents | undefined} _1\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function hardBreak(_, _1, state, info) {\n let index = -1\n\n while (++index < state.unsafe.length) {\n // If we can’t put eols in this construct (setext headings, tables), use a\n // space instead.\n if (\n state.unsafe[index].character === '\\n' &&\n patternInScope(state.stack, state.unsafe[index])\n ) {\n return /[ \\t]/.test(info.before) ? '' : ' '\n }\n }\n\n return '\\\\\\n'\n}\n","/**\n * @import {Info, Map, State} from 'mdast-util-to-markdown'\n * @import {Code, Parents} from 'mdast'\n */\n\nimport {longestStreak} from 'longest-streak'\nimport {formatCodeAsIndented} from '../util/format-code-as-indented.js'\nimport {checkFence} from '../util/check-fence.js'\n\n/**\n * @param {Code} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function code(node, _, state, info) {\n const marker = checkFence(state)\n const raw = node.value || ''\n const suffix = marker === '`' ? 'GraveAccent' : 'Tilde'\n\n if (formatCodeAsIndented(node, state)) {\n const exit = state.enter('codeIndented')\n const value = state.indentLines(raw, map)\n exit()\n return value\n }\n\n const tracker = state.createTracker(info)\n const sequence = marker.repeat(Math.max(longestStreak(raw, marker) + 1, 3))\n const exit = state.enter('codeFenced')\n let value = tracker.move(sequence)\n\n if (node.lang) {\n const subexit = state.enter(`codeFencedLang${suffix}`)\n value += tracker.move(\n state.safe(node.lang, {\n before: value,\n after: ' ',\n encode: ['`'],\n ...tracker.current()\n })\n )\n subexit()\n }\n\n if (node.lang && node.meta) {\n const subexit = state.enter(`codeFencedMeta${suffix}`)\n value += tracker.move(' ')\n value += tracker.move(\n state.safe(node.meta, {\n before: value,\n after: '\\n',\n encode: ['`'],\n ...tracker.current()\n })\n )\n subexit()\n }\n\n value += tracker.move('\\n')\n\n if (raw) {\n value += tracker.move(raw + '\\n')\n }\n\n value += tracker.move(sequence)\n exit()\n return value\n}\n\n/** @type {Map} */\nfunction map(line, _, blank) {\n return (blank ? '' : ' ') + line\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkQuote(state) {\n const marker = state.options.quote || '\"'\n\n if (marker !== '\"' && marker !== \"'\") {\n throw new Error(\n 'Cannot serialize title with `' +\n marker +\n '` for `options.quote`, expected `\"`, or `\\'`'\n )\n }\n\n return marker\n}\n","/**\n * Encode a code point as a character reference.\n *\n * @param {number} code\n * Code point to encode.\n * @returns {string}\n * Encoded character reference.\n */\nexport function encodeCharacterReference(code) {\n return '&#x' + code.toString(16).toUpperCase() + ';'\n}\n","/**\n * @import {EncodeSides} from '../types.js'\n */\n\nimport {classifyCharacter} from 'micromark-util-classify-character'\n\n/**\n * Check whether to encode (as a character reference) the characters\n * surrounding an attention run.\n *\n * Which characters are around an attention run influence whether it works or\n * not.\n *\n * See for more info.\n * See this markdown in a particular renderer to see what works:\n *\n * ```markdown\n * | | A (letter inside) | B (punctuation inside) | C (whitespace inside) | D (nothing inside) |\n * | ----------------------- | ----------------- | ---------------------- | --------------------- | ------------------ |\n * | 1 (letter outside) | x*y*z | x*.*z | x* *z | x**z |\n * | 2 (punctuation outside) | .*y*. | .*.*. | .* *. | .**. |\n * | 3 (whitespace outside) | x *y* z | x *.* z | x * * z | x ** z |\n * | 4 (nothing outside) | *x* | *.* | * * | ** |\n * ```\n *\n * @param {number} outside\n * Code point on the outer side of the run.\n * @param {number} inside\n * Code point on the inner side of the run.\n * @param {'*' | '_'} marker\n * Marker of the run.\n * Underscores are handled more strictly (they form less often) than\n * asterisks.\n * @returns {EncodeSides}\n * Whether to encode characters.\n */\n// Important: punctuation must never be encoded.\n// Punctuation is solely used by markdown constructs.\n// And by encoding itself.\n// Encoding them will break constructs or double encode things.\nexport function encodeInfo(outside, inside, marker) {\n const outsideKind = classifyCharacter(outside)\n const insideKind = classifyCharacter(inside)\n\n // Letter outside:\n if (outsideKind === undefined) {\n return insideKind === undefined\n ? // Letter inside:\n // we have to encode *both* letters for `_` as it is looser.\n // it already forms for `*` (and GFMs `~`).\n marker === '_'\n ? {inside: true, outside: true}\n : {inside: false, outside: false}\n : insideKind === 1\n ? // Whitespace inside: encode both (letter, whitespace).\n {inside: true, outside: true}\n : // Punctuation inside: encode outer (letter)\n {inside: false, outside: true}\n }\n\n // Whitespace outside:\n if (outsideKind === 1) {\n return insideKind === undefined\n ? // Letter inside: already forms.\n {inside: false, outside: false}\n : insideKind === 1\n ? // Whitespace inside: encode both (whitespace).\n {inside: true, outside: true}\n : // Punctuation inside: already forms.\n {inside: false, outside: false}\n }\n\n // Punctuation outside:\n return insideKind === undefined\n ? // Letter inside: already forms.\n {inside: false, outside: false}\n : insideKind === 1\n ? // Whitespace inside: encode inner (whitespace).\n {inside: true, outside: false}\n : // Punctuation inside: already forms.\n {inside: false, outside: false}\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Emphasis, Parents} from 'mdast'\n */\n\nimport {checkEmphasis} from '../util/check-emphasis.js'\nimport {encodeCharacterReference} from '../util/encode-character-reference.js'\nimport {encodeInfo} from '../util/encode-info.js'\n\nemphasis.peek = emphasisPeek\n\n/**\n * @param {Emphasis} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function emphasis(node, _, state, info) {\n const marker = checkEmphasis(state)\n const exit = state.enter('emphasis')\n const tracker = state.createTracker(info)\n const before = tracker.move(marker)\n\n let between = tracker.move(\n state.containerPhrasing(node, {\n after: marker,\n before,\n ...tracker.current()\n })\n )\n const betweenHead = between.charCodeAt(0)\n const open = encodeInfo(\n info.before.charCodeAt(info.before.length - 1),\n betweenHead,\n marker\n )\n\n if (open.inside) {\n between = encodeCharacterReference(betweenHead) + between.slice(1)\n }\n\n const betweenTail = between.charCodeAt(between.length - 1)\n const close = encodeInfo(info.after.charCodeAt(0), betweenTail, marker)\n\n if (close.inside) {\n between = between.slice(0, -1) + encodeCharacterReference(betweenTail)\n }\n\n const after = tracker.move(marker)\n\n exit()\n\n state.attentionEncodeSurroundingInfo = {\n after: close.outside,\n before: open.outside\n }\n return before + between + after\n}\n\n/**\n * @param {Emphasis} _\n * @param {Parents | undefined} _1\n * @param {State} state\n * @returns {string}\n */\nfunction emphasisPeek(_, _1, state) {\n return state.options.emphasis || '*'\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkEmphasis(state) {\n const marker = state.options.emphasis || '*'\n\n if (marker !== '*' && marker !== '_') {\n throw new Error(\n 'Cannot serialize emphasis with `' +\n marker +\n '` for `options.emphasis`, expected `*`, or `_`'\n )\n }\n\n return marker\n}\n","/**\n * @import {Html} from 'mdast'\n */\n\nhtml.peek = htmlPeek\n\n/**\n * @param {Html} node\n * @returns {string}\n */\nexport function html(node) {\n return node.value || ''\n}\n\n/**\n * @returns {string}\n */\nfunction htmlPeek() {\n return '<'\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Image, Parents} from 'mdast'\n */\n\nimport {checkQuote} from '../util/check-quote.js'\n\nimage.peek = imagePeek\n\n/**\n * @param {Image} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function image(node, _, state, info) {\n const quote = checkQuote(state)\n const suffix = quote === '\"' ? 'Quote' : 'Apostrophe'\n const exit = state.enter('image')\n let subexit = state.enter('label')\n const tracker = state.createTracker(info)\n let value = tracker.move('![')\n value += tracker.move(\n state.safe(node.alt, {before: value, after: ']', ...tracker.current()})\n )\n value += tracker.move('](')\n\n subexit()\n\n if (\n // If there’s no url but there is a title…\n (!node.url && node.title) ||\n // If there are control characters or whitespace.\n /[\\0- \\u007F]/.test(node.url)\n ) {\n subexit = state.enter('destinationLiteral')\n value += tracker.move('<')\n value += tracker.move(\n state.safe(node.url, {before: value, after: '>', ...tracker.current()})\n )\n value += tracker.move('>')\n } else {\n // No whitespace, raw is prettier.\n subexit = state.enter('destinationRaw')\n value += tracker.move(\n state.safe(node.url, {\n before: value,\n after: node.title ? ' ' : ')',\n ...tracker.current()\n })\n )\n }\n\n subexit()\n\n if (node.title) {\n subexit = state.enter(`title${suffix}`)\n value += tracker.move(' ' + quote)\n value += tracker.move(\n state.safe(node.title, {\n before: value,\n after: quote,\n ...tracker.current()\n })\n )\n value += tracker.move(quote)\n subexit()\n }\n\n value += tracker.move(')')\n exit()\n\n return value\n}\n\n/**\n * @returns {string}\n */\nfunction imagePeek() {\n return '!'\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {ImageReference, Parents} from 'mdast'\n */\n\nimageReference.peek = imageReferencePeek\n\n/**\n * @param {ImageReference} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function imageReference(node, _, state, info) {\n const type = node.referenceType\n const exit = state.enter('imageReference')\n let subexit = state.enter('label')\n const tracker = state.createTracker(info)\n let value = tracker.move('![')\n const alt = state.safe(node.alt, {\n before: value,\n after: ']',\n ...tracker.current()\n })\n value += tracker.move(alt + '][')\n\n subexit()\n // Hide the fact that we’re in phrasing, because escapes don’t work.\n const stack = state.stack\n state.stack = []\n subexit = state.enter('reference')\n // Note: for proper tracking, we should reset the output positions when we end\n // up making a `shortcut` reference, because then there is no brace output.\n // Practically, in that case, there is no content, so it doesn’t matter that\n // we’ve tracked one too many characters.\n const reference = state.safe(state.associationId(node), {\n before: value,\n after: ']',\n ...tracker.current()\n })\n subexit()\n state.stack = stack\n exit()\n\n if (type === 'full' || !alt || alt !== reference) {\n value += tracker.move(reference + ']')\n } else if (type === 'shortcut') {\n // Remove the unwanted `[`.\n value = value.slice(0, -1)\n } else {\n value += tracker.move(']')\n }\n\n return value\n}\n\n/**\n * @returns {string}\n */\nfunction imageReferencePeek() {\n return '!'\n}\n","/**\n * @import {State} from 'mdast-util-to-markdown'\n * @import {InlineCode, Parents} from 'mdast'\n */\n\ninlineCode.peek = inlineCodePeek\n\n/**\n * @param {InlineCode} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @returns {string}\n */\nexport function inlineCode(node, _, state) {\n let value = node.value || ''\n let sequence = '`'\n let index = -1\n\n // If there is a single grave accent on its own in the code, use a fence of\n // two.\n // If there are two in a row, use one.\n while (new RegExp('(^|[^`])' + sequence + '([^`]|$)').test(value)) {\n sequence += '`'\n }\n\n // If this is not just spaces or eols (tabs don’t count), and either the\n // first or last character are a space, eol, or tick, then pad with spaces.\n if (\n /[^ \\r\\n]/.test(value) &&\n ((/^[ \\r\\n]/.test(value) && /[ \\r\\n]$/.test(value)) || /^`|`$/.test(value))\n ) {\n value = ' ' + value + ' '\n }\n\n // We have a potential problem: certain characters after eols could result in\n // blocks being seen.\n // For example, if someone injected the string `'\\n# b'`, then that would\n // result in an ATX heading.\n // We can’t escape characters in `inlineCode`, but because eols are\n // transformed to spaces when going from markdown to HTML anyway, we can swap\n // them out.\n while (++index < state.unsafe.length) {\n const pattern = state.unsafe[index]\n const expression = state.compilePattern(pattern)\n /** @type {RegExpExecArray | null} */\n let match\n\n // Only look for `atBreak`s.\n // Btw: note that `atBreak` patterns will always start the regex at LF or\n // CR.\n if (!pattern.atBreak) continue\n\n while ((match = expression.exec(value))) {\n let position = match.index\n\n // Support CRLF (patterns only look for one of the characters).\n if (\n value.charCodeAt(position) === 10 /* `\\n` */ &&\n value.charCodeAt(position - 1) === 13 /* `\\r` */\n ) {\n position--\n }\n\n value = value.slice(0, position) + ' ' + value.slice(match.index + 1)\n }\n }\n\n return sequence + value + sequence\n}\n\n/**\n * @returns {string}\n */\nfunction inlineCodePeek() {\n return '`'\n}\n","/**\n * @import {State} from 'mdast-util-to-markdown'\n * @import {Link} from 'mdast'\n */\n\nimport {toString} from 'mdast-util-to-string'\n\n/**\n * @param {Link} node\n * @param {State} state\n * @returns {boolean}\n */\nexport function formatLinkAsAutolink(node, state) {\n const raw = toString(node)\n\n return Boolean(\n !state.options.resourceLink &&\n // If there’s a url…\n node.url &&\n // And there’s a no title…\n !node.title &&\n // And the content of `node` is a single text node…\n node.children &&\n node.children.length === 1 &&\n node.children[0].type === 'text' &&\n // And if the url is the same as the content…\n (raw === node.url || 'mailto:' + raw === node.url) &&\n // And that starts w/ a protocol…\n /^[a-z][a-z+.-]+:/i.test(node.url) &&\n // And that doesn’t contain ASCII control codes (character escapes and\n // references don’t work), space, or angle brackets…\n !/[\\0- <>\\u007F]/.test(node.url)\n )\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Link, Parents} from 'mdast'\n * @import {Exit} from '../types.js'\n */\n\nimport {checkQuote} from '../util/check-quote.js'\nimport {formatLinkAsAutolink} from '../util/format-link-as-autolink.js'\n\nlink.peek = linkPeek\n\n/**\n * @param {Link} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function link(node, _, state, info) {\n const quote = checkQuote(state)\n const suffix = quote === '\"' ? 'Quote' : 'Apostrophe'\n const tracker = state.createTracker(info)\n /** @type {Exit} */\n let exit\n /** @type {Exit} */\n let subexit\n\n if (formatLinkAsAutolink(node, state)) {\n // Hide the fact that we’re in phrasing, because escapes don’t work.\n const stack = state.stack\n state.stack = []\n exit = state.enter('autolink')\n let value = tracker.move('<')\n value += tracker.move(\n state.containerPhrasing(node, {\n before: value,\n after: '>',\n ...tracker.current()\n })\n )\n value += tracker.move('>')\n exit()\n state.stack = stack\n return value\n }\n\n exit = state.enter('link')\n subexit = state.enter('label')\n let value = tracker.move('[')\n value += tracker.move(\n state.containerPhrasing(node, {\n before: value,\n after: '](',\n ...tracker.current()\n })\n )\n value += tracker.move('](')\n subexit()\n\n if (\n // If there’s no url but there is a title…\n (!node.url && node.title) ||\n // If there are control characters or whitespace.\n /[\\0- \\u007F]/.test(node.url)\n ) {\n subexit = state.enter('destinationLiteral')\n value += tracker.move('<')\n value += tracker.move(\n state.safe(node.url, {before: value, after: '>', ...tracker.current()})\n )\n value += tracker.move('>')\n } else {\n // No whitespace, raw is prettier.\n subexit = state.enter('destinationRaw')\n value += tracker.move(\n state.safe(node.url, {\n before: value,\n after: node.title ? ' ' : ')',\n ...tracker.current()\n })\n )\n }\n\n subexit()\n\n if (node.title) {\n subexit = state.enter(`title${suffix}`)\n value += tracker.move(' ' + quote)\n value += tracker.move(\n state.safe(node.title, {\n before: value,\n after: quote,\n ...tracker.current()\n })\n )\n value += tracker.move(quote)\n subexit()\n }\n\n value += tracker.move(')')\n\n exit()\n return value\n}\n\n/**\n * @param {Link} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @returns {string}\n */\nfunction linkPeek(node, _, state) {\n return formatLinkAsAutolink(node, state) ? '<' : '['\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {LinkReference, Parents} from 'mdast'\n */\n\nlinkReference.peek = linkReferencePeek\n\n/**\n * @param {LinkReference} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function linkReference(node, _, state, info) {\n const type = node.referenceType\n const exit = state.enter('linkReference')\n let subexit = state.enter('label')\n const tracker = state.createTracker(info)\n let value = tracker.move('[')\n const text = state.containerPhrasing(node, {\n before: value,\n after: ']',\n ...tracker.current()\n })\n value += tracker.move(text + '][')\n\n subexit()\n // Hide the fact that we’re in phrasing, because escapes don’t work.\n const stack = state.stack\n state.stack = []\n subexit = state.enter('reference')\n // Note: for proper tracking, we should reset the output positions when we end\n // up making a `shortcut` reference, because then there is no brace output.\n // Practically, in that case, there is no content, so it doesn’t matter that\n // we’ve tracked one too many characters.\n const reference = state.safe(state.associationId(node), {\n before: value,\n after: ']',\n ...tracker.current()\n })\n subexit()\n state.stack = stack\n exit()\n\n if (type === 'full' || !text || text !== reference) {\n value += tracker.move(reference + ']')\n } else if (type === 'shortcut') {\n // Remove the unwanted `[`.\n value = value.slice(0, -1)\n } else {\n value += tracker.move(']')\n }\n\n return value\n}\n\n/**\n * @returns {string}\n */\nfunction linkReferencePeek() {\n return '['\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkBullet(state) {\n const marker = state.options.bullet || '*'\n\n if (marker !== '*' && marker !== '+' && marker !== '-') {\n throw new Error(\n 'Cannot serialize items with `' +\n marker +\n '` for `options.bullet`, expected `*`, `+`, or `-`'\n )\n }\n\n return marker\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkRule(state) {\n const marker = state.options.rule || '*'\n\n if (marker !== '*' && marker !== '-' && marker !== '_') {\n throw new Error(\n 'Cannot serialize rules with `' +\n marker +\n '` for `options.rule`, expected `*`, `-`, or `_`'\n )\n }\n\n return marker\n}\n","/**\n * @typedef {import('mdast').Html} Html\n * @typedef {import('mdast').PhrasingContent} PhrasingContent\n */\n\nimport {convert} from 'unist-util-is'\n\n/**\n * Check if the given value is *phrasing content*.\n *\n * > 👉 **Note**: Excludes `html`, which can be both phrasing or flow.\n *\n * @param node\n * Thing to check, typically `Node`.\n * @returns\n * Whether `value` is phrasing content.\n */\n\nexport const phrasing =\n /** @type {(node?: unknown) => node is Exclude} */\n (\n convert([\n 'break',\n 'delete',\n 'emphasis',\n // To do: next major: removed since footnotes were added to GFM.\n 'footnote',\n 'footnoteReference',\n 'image',\n 'imageReference',\n 'inlineCode',\n // Enabled by `mdast-util-math`:\n 'inlineMath',\n 'link',\n 'linkReference',\n // Enabled by `mdast-util-mdx`:\n 'mdxJsxTextElement',\n // Enabled by `mdast-util-mdx`:\n 'mdxTextExpression',\n 'strong',\n 'text',\n // Enabled by `mdast-util-directive`:\n 'textDirective'\n ])\n )\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Parents, Strong} from 'mdast'\n */\n\nimport {checkStrong} from '../util/check-strong.js'\nimport {encodeCharacterReference} from '../util/encode-character-reference.js'\nimport {encodeInfo} from '../util/encode-info.js'\n\nstrong.peek = strongPeek\n\n/**\n * @param {Strong} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function strong(node, _, state, info) {\n const marker = checkStrong(state)\n const exit = state.enter('strong')\n const tracker = state.createTracker(info)\n const before = tracker.move(marker + marker)\n\n let between = tracker.move(\n state.containerPhrasing(node, {\n after: marker,\n before,\n ...tracker.current()\n })\n )\n const betweenHead = between.charCodeAt(0)\n const open = encodeInfo(\n info.before.charCodeAt(info.before.length - 1),\n betweenHead,\n marker\n )\n\n if (open.inside) {\n between = encodeCharacterReference(betweenHead) + between.slice(1)\n }\n\n const betweenTail = between.charCodeAt(between.length - 1)\n const close = encodeInfo(info.after.charCodeAt(0), betweenTail, marker)\n\n if (close.inside) {\n between = between.slice(0, -1) + encodeCharacterReference(betweenTail)\n }\n\n const after = tracker.move(marker + marker)\n\n exit()\n\n state.attentionEncodeSurroundingInfo = {\n after: close.outside,\n before: open.outside\n }\n return before + between + after\n}\n\n/**\n * @param {Strong} _\n * @param {Parents | undefined} _1\n * @param {State} state\n * @returns {string}\n */\nfunction strongPeek(_, _1, state) {\n return state.options.strong || '*'\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkStrong(state) {\n const marker = state.options.strong || '*'\n\n if (marker !== '*' && marker !== '_') {\n throw new Error(\n 'Cannot serialize strong with `' +\n marker +\n '` for `options.strong`, expected `*`, or `_`'\n )\n }\n\n return marker\n}\n","import {blockquote} from './blockquote.js'\nimport {hardBreak} from './break.js'\nimport {code} from './code.js'\nimport {definition} from './definition.js'\nimport {emphasis} from './emphasis.js'\nimport {heading} from './heading.js'\nimport {html} from './html.js'\nimport {image} from './image.js'\nimport {imageReference} from './image-reference.js'\nimport {inlineCode} from './inline-code.js'\nimport {link} from './link.js'\nimport {linkReference} from './link-reference.js'\nimport {list} from './list.js'\nimport {listItem} from './list-item.js'\nimport {paragraph} from './paragraph.js'\nimport {root} from './root.js'\nimport {strong} from './strong.js'\nimport {text} from './text.js'\nimport {thematicBreak} from './thematic-break.js'\n\n/**\n * Default (CommonMark) handlers.\n */\nexport const handle = {\n blockquote,\n break: hardBreak,\n code,\n definition,\n emphasis,\n hardBreak,\n heading,\n html,\n image,\n imageReference,\n inlineCode,\n link,\n linkReference,\n list,\n listItem,\n paragraph,\n root,\n strong,\n text,\n thematicBreak\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkFence(state) {\n const marker = state.options.fence || '`'\n\n if (marker !== '`' && marker !== '~') {\n throw new Error(\n 'Cannot serialize code with `' +\n marker +\n '` for `options.fence`, expected `` ` `` or `~`'\n )\n }\n\n return marker\n}\n","/**\n * @import {State} from 'mdast-util-to-markdown'\n * @import {Code} from 'mdast'\n */\n\n/**\n * @param {Code} node\n * @param {State} state\n * @returns {boolean}\n */\nexport function formatCodeAsIndented(node, state) {\n return Boolean(\n state.options.fences === false &&\n node.value &&\n // If there’s no info…\n !node.lang &&\n // And there’s a non-whitespace character…\n /[^ \\r\\n]/.test(node.value) &&\n // And the value doesn’t start or end in a blank…\n !/^[\\t ]*(?:[\\r\\n]|$)|(?:^|[\\r\\n])[\\t ]*$/.test(node.value)\n )\n}\n","/**\n * Get the count of the longest repeating streak of `substring` in `value`.\n *\n * @param {string} value\n * Content to search in.\n * @param {string} substring\n * Substring to look for, typically one character.\n * @returns {number}\n * Count of most frequent adjacent `substring`s in `value`.\n */\nexport function longestStreak(value, substring) {\n const source = String(value)\n let index = source.indexOf(substring)\n let expected = index\n let count = 0\n let max = 0\n\n if (typeof substring !== 'string') {\n throw new TypeError('Expected substring')\n }\n\n while (index !== -1) {\n if (index === expected) {\n if (++count > max) {\n max = count\n }\n } else {\n count = 1\n }\n\n expected = index + substring.length\n index = source.indexOf(substring, expected)\n }\n\n return max\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Definition, Parents} from 'mdast'\n */\n\nimport {checkQuote} from '../util/check-quote.js'\n\n/**\n * @param {Definition} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function definition(node, _, state, info) {\n const quote = checkQuote(state)\n const suffix = quote === '\"' ? 'Quote' : 'Apostrophe'\n const exit = state.enter('definition')\n let subexit = state.enter('label')\n const tracker = state.createTracker(info)\n let value = tracker.move('[')\n value += tracker.move(\n state.safe(state.associationId(node), {\n before: value,\n after: ']',\n ...tracker.current()\n })\n )\n value += tracker.move(']: ')\n\n subexit()\n\n if (\n // If there’s no url, or…\n !node.url ||\n // If there are control characters or whitespace.\n /[\\0- \\u007F]/.test(node.url)\n ) {\n subexit = state.enter('destinationLiteral')\n value += tracker.move('<')\n value += tracker.move(\n state.safe(node.url, {before: value, after: '>', ...tracker.current()})\n )\n value += tracker.move('>')\n } else {\n // No whitespace, raw is prettier.\n subexit = state.enter('destinationRaw')\n value += tracker.move(\n state.safe(node.url, {\n before: value,\n after: node.title ? ' ' : '\\n',\n ...tracker.current()\n })\n )\n }\n\n subexit()\n\n if (node.title) {\n subexit = state.enter(`title${suffix}`)\n value += tracker.move(' ' + quote)\n value += tracker.move(\n state.safe(node.title, {\n before: value,\n after: quote,\n ...tracker.current()\n })\n )\n value += tracker.move(quote)\n subexit()\n }\n\n exit()\n\n return value\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Heading, Parents} from 'mdast'\n */\n\nimport {encodeCharacterReference} from '../util/encode-character-reference.js'\nimport {formatHeadingAsSetext} from '../util/format-heading-as-setext.js'\n\n/**\n * @param {Heading} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function heading(node, _, state, info) {\n const rank = Math.max(Math.min(6, node.depth || 1), 1)\n const tracker = state.createTracker(info)\n\n if (formatHeadingAsSetext(node, state)) {\n const exit = state.enter('headingSetext')\n const subexit = state.enter('phrasing')\n const value = state.containerPhrasing(node, {\n ...tracker.current(),\n before: '\\n',\n after: '\\n'\n })\n subexit()\n exit()\n\n return (\n value +\n '\\n' +\n (rank === 1 ? '=' : '-').repeat(\n // The whole size…\n value.length -\n // Minus the position of the character after the last EOL (or\n // 0 if there is none)…\n (Math.max(value.lastIndexOf('\\r'), value.lastIndexOf('\\n')) + 1)\n )\n )\n }\n\n const sequence = '#'.repeat(rank)\n const exit = state.enter('headingAtx')\n const subexit = state.enter('phrasing')\n\n // Note: for proper tracking, we should reset the output positions when there\n // is no content returned, because then the space is not output.\n // Practically, in that case, there is no content, so it doesn’t matter that\n // we’ve tracked one too many characters.\n tracker.move(sequence + ' ')\n\n let value = state.containerPhrasing(node, {\n before: '# ',\n after: '\\n',\n ...tracker.current()\n })\n\n if (/^[\\t ]/.test(value)) {\n // To do: what effect has the character reference on tracking?\n value = encodeCharacterReference(value.charCodeAt(0)) + value.slice(1)\n }\n\n value = value ? sequence + ' ' + value : sequence\n\n if (state.options.closeAtx) {\n value += ' ' + sequence\n }\n\n subexit()\n exit()\n\n return value\n}\n","/**\n * @import {State} from 'mdast-util-to-markdown'\n * @import {Heading} from 'mdast'\n */\n\nimport {EXIT, visit} from 'unist-util-visit'\nimport {toString} from 'mdast-util-to-string'\n\n/**\n * @param {Heading} node\n * @param {State} state\n * @returns {boolean}\n */\nexport function formatHeadingAsSetext(node, state) {\n let literalWithBreak = false\n\n // Look for literals with a line break.\n // Note that this also\n visit(node, function (node) {\n if (\n ('value' in node && /\\r?\\n|\\r/.test(node.value)) ||\n node.type === 'break'\n ) {\n literalWithBreak = true\n return EXIT\n }\n })\n\n return Boolean(\n (!node.depth || node.depth < 3) &&\n toString(node) &&\n (state.options.setext || literalWithBreak)\n )\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {List, Parents} from 'mdast'\n */\n\nimport {checkBullet} from '../util/check-bullet.js'\nimport {checkBulletOther} from '../util/check-bullet-other.js'\nimport {checkBulletOrdered} from '../util/check-bullet-ordered.js'\nimport {checkRule} from '../util/check-rule.js'\n\n/**\n * @param {List} node\n * @param {Parents | undefined} parent\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function list(node, parent, state, info) {\n const exit = state.enter('list')\n const bulletCurrent = state.bulletCurrent\n /** @type {string} */\n let bullet = node.ordered ? checkBulletOrdered(state) : checkBullet(state)\n /** @type {string} */\n const bulletOther = node.ordered\n ? bullet === '.'\n ? ')'\n : '.'\n : checkBulletOther(state)\n let useDifferentMarker =\n parent && state.bulletLastUsed ? bullet === state.bulletLastUsed : false\n\n if (!node.ordered) {\n const firstListItem = node.children ? node.children[0] : undefined\n\n // If there’s an empty first list item directly in two list items,\n // we have to use a different bullet:\n //\n // ```markdown\n // * - *\n // ```\n //\n // …because otherwise it would become one big thematic break.\n if (\n // Bullet could be used as a thematic break marker:\n (bullet === '*' || bullet === '-') &&\n // Empty first list item:\n firstListItem &&\n (!firstListItem.children || !firstListItem.children[0]) &&\n // Directly in two other list items:\n state.stack[state.stack.length - 1] === 'list' &&\n state.stack[state.stack.length - 2] === 'listItem' &&\n state.stack[state.stack.length - 3] === 'list' &&\n state.stack[state.stack.length - 4] === 'listItem' &&\n // That are each the first child.\n state.indexStack[state.indexStack.length - 1] === 0 &&\n state.indexStack[state.indexStack.length - 2] === 0 &&\n state.indexStack[state.indexStack.length - 3] === 0\n ) {\n useDifferentMarker = true\n }\n\n // If there’s a thematic break at the start of the first list item,\n // we have to use a different bullet:\n //\n // ```markdown\n // * ---\n // ```\n //\n // …because otherwise it would become one big thematic break.\n if (checkRule(state) === bullet && firstListItem) {\n let index = -1\n\n while (++index < node.children.length) {\n const item = node.children[index]\n\n if (\n item &&\n item.type === 'listItem' &&\n item.children &&\n item.children[0] &&\n item.children[0].type === 'thematicBreak'\n ) {\n useDifferentMarker = true\n break\n }\n }\n }\n }\n\n if (useDifferentMarker) {\n bullet = bulletOther\n }\n\n state.bulletCurrent = bullet\n const value = state.containerFlow(node, info)\n state.bulletLastUsed = bullet\n state.bulletCurrent = bulletCurrent\n exit()\n return value\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkBulletOrdered(state) {\n const marker = state.options.bulletOrdered || '.'\n\n if (marker !== '.' && marker !== ')') {\n throw new Error(\n 'Cannot serialize items with `' +\n marker +\n '` for `options.bulletOrdered`, expected `.` or `)`'\n )\n }\n\n return marker\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\nimport {checkBullet} from './check-bullet.js'\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkBulletOther(state) {\n const bullet = checkBullet(state)\n const bulletOther = state.options.bulletOther\n\n if (!bulletOther) {\n return bullet === '*' ? '-' : '*'\n }\n\n if (bulletOther !== '*' && bulletOther !== '+' && bulletOther !== '-') {\n throw new Error(\n 'Cannot serialize items with `' +\n bulletOther +\n '` for `options.bulletOther`, expected `*`, `+`, or `-`'\n )\n }\n\n if (bulletOther === bullet) {\n throw new Error(\n 'Expected `bullet` (`' +\n bullet +\n '`) and `bulletOther` (`' +\n bulletOther +\n '`) to be different'\n )\n }\n\n return bulletOther\n}\n","/**\n * @import {Info, Map, State} from 'mdast-util-to-markdown'\n * @import {ListItem, Parents} from 'mdast'\n */\n\nimport {checkBullet} from '../util/check-bullet.js'\nimport {checkListItemIndent} from '../util/check-list-item-indent.js'\n\n/**\n * @param {ListItem} node\n * @param {Parents | undefined} parent\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function listItem(node, parent, state, info) {\n const listItemIndent = checkListItemIndent(state)\n let bullet = state.bulletCurrent || checkBullet(state)\n\n // Add the marker value for ordered lists.\n if (parent && parent.type === 'list' && parent.ordered) {\n bullet =\n (typeof parent.start === 'number' && parent.start > -1\n ? parent.start\n : 1) +\n (state.options.incrementListMarker === false\n ? 0\n : parent.children.indexOf(node)) +\n bullet\n }\n\n let size = bullet.length + 1\n\n if (\n listItemIndent === 'tab' ||\n (listItemIndent === 'mixed' &&\n ((parent && parent.type === 'list' && parent.spread) || node.spread))\n ) {\n size = Math.ceil(size / 4) * 4\n }\n\n const tracker = state.createTracker(info)\n tracker.move(bullet + ' '.repeat(size - bullet.length))\n tracker.shift(size)\n const exit = state.enter('listItem')\n const value = state.indentLines(\n state.containerFlow(node, tracker.current()),\n map\n )\n exit()\n\n return value\n\n /** @type {Map} */\n function map(line, index, blank) {\n if (index) {\n return (blank ? '' : ' '.repeat(size)) + line\n }\n\n return (blank ? bullet : bullet + ' '.repeat(size - bullet.length)) + line\n }\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkListItemIndent(state) {\n const style = state.options.listItemIndent || 'one'\n\n if (style !== 'tab' && style !== 'one' && style !== 'mixed') {\n throw new Error(\n 'Cannot serialize items with `' +\n style +\n '` for `options.listItemIndent`, expected `tab`, `one`, or `mixed`'\n )\n }\n\n return style\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Paragraph, Parents} from 'mdast'\n */\n\n/**\n * @param {Paragraph} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function paragraph(node, _, state, info) {\n const exit = state.enter('paragraph')\n const subexit = state.enter('phrasing')\n const value = state.containerPhrasing(node, info)\n subexit()\n exit()\n return value\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Parents, Root} from 'mdast'\n */\n\nimport {phrasing} from 'mdast-util-phrasing'\n\n/**\n * @param {Root} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function root(node, _, state, info) {\n // Note: `html` nodes are ambiguous.\n const hasPhrasing = node.children.some(function (d) {\n return phrasing(d)\n })\n\n const container = hasPhrasing ? state.containerPhrasing : state.containerFlow\n return container.call(state, node, info)\n}\n","/**\n * @import {Info, State} from 'mdast-util-to-markdown'\n * @import {Parents, Text} from 'mdast'\n */\n\n/**\n * @param {Text} node\n * @param {Parents | undefined} _\n * @param {State} state\n * @param {Info} info\n * @returns {string}\n */\nexport function text(node, _, state, info) {\n return state.safe(node.value, info)\n}\n","/**\n * @import {State} from 'mdast-util-to-markdown'\n * @import {Parents, ThematicBreak} from 'mdast'\n */\n\nimport {checkRuleRepetition} from '../util/check-rule-repetition.js'\nimport {checkRule} from '../util/check-rule.js'\n\n/**\n * @param {ThematicBreak} _\n * @param {Parents | undefined} _1\n * @param {State} state\n * @returns {string}\n */\nexport function thematicBreak(_, _1, state) {\n const value = (\n checkRule(state) + (state.options.ruleSpaces ? ' ' : '')\n ).repeat(checkRuleRepetition(state))\n\n return state.options.ruleSpaces ? value.slice(0, -1) : value\n}\n","/**\n * @import {Options, State} from 'mdast-util-to-markdown'\n */\n\n/**\n * @param {State} state\n * @returns {Exclude}\n */\nexport function checkRuleRepetition(state) {\n const repetition = state.options.ruleRepetition || 3\n\n if (repetition < 3) {\n throw new Error(\n 'Cannot serialize rules with repetition `' +\n repetition +\n '` for `options.ruleRepetition`, expected `3` or more'\n )\n }\n\n return repetition\n}\n","/**\n * @typedef {import('mdast').InlineCode} InlineCode\n * @typedef {import('mdast').Table} Table\n * @typedef {import('mdast').TableCell} TableCell\n * @typedef {import('mdast').TableRow} TableRow\n *\n * @typedef {import('markdown-table').Options} MarkdownTableOptions\n *\n * @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext\n * @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension\n * @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle\n *\n * @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension\n * @typedef {import('mdast-util-to-markdown').Handle} ToMarkdownHandle\n * @typedef {import('mdast-util-to-markdown').State} State\n * @typedef {import('mdast-util-to-markdown').Info} Info\n */\n\n/**\n * @typedef Options\n * Configuration.\n * @property {boolean | null | undefined} [tableCellPadding=true]\n * Whether to add a space of padding between delimiters and cells (default:\n * `true`).\n * @property {boolean | null | undefined} [tablePipeAlign=true]\n * Whether to align the delimiters (default: `true`).\n * @property {MarkdownTableOptions['stringLength'] | null | undefined} [stringLength]\n * Function to detect the length of table cell content, used when aligning\n * the delimiters between cells (optional).\n */\n\nimport {ok as assert} from 'devlop'\nimport {markdownTable} from 'markdown-table'\nimport {defaultHandlers} from 'mdast-util-to-markdown'\n\n/**\n * Create an extension for `mdast-util-from-markdown` to enable GFM tables in\n * markdown.\n *\n * @returns {FromMarkdownExtension}\n * Extension for `mdast-util-from-markdown` to enable GFM tables.\n */\nexport function gfmTableFromMarkdown() {\n return {\n enter: {\n table: enterTable,\n tableData: enterCell,\n tableHeader: enterCell,\n tableRow: enterRow\n },\n exit: {\n codeText: exitCodeText,\n table: exitTable,\n tableData: exit,\n tableHeader: exit,\n tableRow: exit\n }\n }\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterTable(token) {\n const align = token._align\n assert(align, 'expected `_align` on table')\n this.enter(\n {\n type: 'table',\n align: align.map(function (d) {\n return d === 'none' ? null : d\n }),\n children: []\n },\n token\n )\n this.data.inTable = true\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitTable(token) {\n this.exit(token)\n this.data.inTable = undefined\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterRow(token) {\n this.enter({type: 'tableRow', children: []}, token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exit(token) {\n this.exit(token)\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction enterCell(token) {\n this.enter({type: 'tableCell', children: []}, token)\n}\n\n// Overwrite the default code text data handler to unescape escaped pipes when\n// they are in tables.\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitCodeText(token) {\n let value = this.resume()\n\n if (this.data.inTable) {\n value = value.replace(/\\\\([\\\\|])/g, replace)\n }\n\n const node = this.stack[this.stack.length - 1]\n assert(node.type === 'inlineCode')\n node.value = value\n this.exit(token)\n}\n\n/**\n * @param {string} $0\n * @param {string} $1\n * @returns {string}\n */\nfunction replace($0, $1) {\n // Pipes work, backslashes don’t (but can’t escape pipes).\n return $1 === '|' ? $1 : $0\n}\n\n/**\n * Create an extension for `mdast-util-to-markdown` to enable GFM tables in\n * markdown.\n *\n * @param {Options | null | undefined} [options]\n * Configuration.\n * @returns {ToMarkdownExtension}\n * Extension for `mdast-util-to-markdown` to enable GFM tables.\n */\nexport function gfmTableToMarkdown(options) {\n const settings = options || {}\n const padding = settings.tableCellPadding\n const alignDelimiters = settings.tablePipeAlign\n const stringLength = settings.stringLength\n const around = padding ? ' ' : '|'\n\n return {\n unsafe: [\n {character: '\\r', inConstruct: 'tableCell'},\n {character: '\\n', inConstruct: 'tableCell'},\n // A pipe, when followed by a tab or space (padding), or a dash or colon\n // (unpadded delimiter row), could result in a table.\n {atBreak: true, character: '|', after: '[\\t :-]'},\n // A pipe in a cell must be encoded.\n {character: '|', inConstruct: 'tableCell'},\n // A colon must be followed by a dash, in which case it could start a\n // delimiter row.\n {atBreak: true, character: ':', after: '-'},\n // A delimiter row can also start with a dash, when followed by more\n // dashes, a colon, or a pipe.\n // This is a stricter version than the built in check for lists, thematic\n // breaks, and setex heading underlines though:\n // \n {atBreak: true, character: '-', after: '[:|-]'}\n ],\n handlers: {\n inlineCode: inlineCodeWithTable,\n table: handleTable,\n tableCell: handleTableCell,\n tableRow: handleTableRow\n }\n }\n\n /**\n * @type {ToMarkdownHandle}\n * @param {Table} node\n */\n function handleTable(node, _, state, info) {\n return serializeData(handleTableAsData(node, state, info), node.align)\n }\n\n /**\n * This function isn’t really used normally, because we handle rows at the\n * table level.\n * But, if someone passes in a table row, this ensures we make somewhat sense.\n *\n * @type {ToMarkdownHandle}\n * @param {TableRow} node\n */\n function handleTableRow(node, _, state, info) {\n const row = handleTableRowAsData(node, state, info)\n const value = serializeData([row])\n // `markdown-table` will always add an align row\n return value.slice(0, value.indexOf('\\n'))\n }\n\n /**\n * @type {ToMarkdownHandle}\n * @param {TableCell} node\n */\n function handleTableCell(node, _, state, info) {\n const exit = state.enter('tableCell')\n const subexit = state.enter('phrasing')\n const value = state.containerPhrasing(node, {\n ...info,\n before: around,\n after: around\n })\n subexit()\n exit()\n return value\n }\n\n /**\n * @param {Array>} matrix\n * @param {Array | null | undefined} [align]\n */\n function serializeData(matrix, align) {\n return markdownTable(matrix, {\n align,\n // @ts-expect-error: `markdown-table` types should support `null`.\n alignDelimiters,\n // @ts-expect-error: `markdown-table` types should support `null`.\n padding,\n // @ts-expect-error: `markdown-table` types should support `null`.\n stringLength\n })\n }\n\n /**\n * @param {Table} node\n * @param {State} state\n * @param {Info} info\n */\n function handleTableAsData(node, state, info) {\n const children = node.children\n let index = -1\n /** @type {Array>} */\n const result = []\n const subexit = state.enter('table')\n\n while (++index < children.length) {\n result[index] = handleTableRowAsData(children[index], state, info)\n }\n\n subexit()\n\n return result\n }\n\n /**\n * @param {TableRow} node\n * @param {State} state\n * @param {Info} info\n */\n function handleTableRowAsData(node, state, info) {\n const children = node.children\n let index = -1\n /** @type {Array} */\n const result = []\n const subexit = state.enter('tableRow')\n\n while (++index < children.length) {\n // Note: the positional info as used here is incorrect.\n // Making it correct would be impossible due to aligning cells?\n // And it would need copy/pasting `markdown-table` into this project.\n result[index] = handleTableCell(children[index], node, state, info)\n }\n\n subexit()\n\n return result\n }\n\n /**\n * @type {ToMarkdownHandle}\n * @param {InlineCode} node\n */\n function inlineCodeWithTable(node, parent, state) {\n let value = defaultHandlers.inlineCode(node, parent, state)\n\n if (state.stack.includes('tableCell')) {\n value = value.replace(/\\|/g, '\\\\$&')\n }\n\n return value\n }\n}\n","/**\n * @typedef {import('mdast').ListItem} ListItem\n * @typedef {import('mdast').Paragraph} Paragraph\n * @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext\n * @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension\n * @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle\n * @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension\n * @typedef {import('mdast-util-to-markdown').Handle} ToMarkdownHandle\n */\n\nimport {ok as assert} from 'devlop'\nimport {defaultHandlers} from 'mdast-util-to-markdown'\n\n/**\n * Create an extension for `mdast-util-from-markdown` to enable GFM task\n * list items in markdown.\n *\n * @returns {FromMarkdownExtension}\n * Extension for `mdast-util-from-markdown` to enable GFM task list items.\n */\nexport function gfmTaskListItemFromMarkdown() {\n return {\n exit: {\n taskListCheckValueChecked: exitCheck,\n taskListCheckValueUnchecked: exitCheck,\n paragraph: exitParagraphWithTaskListItem\n }\n }\n}\n\n/**\n * Create an extension for `mdast-util-to-markdown` to enable GFM task list\n * items in markdown.\n *\n * @returns {ToMarkdownExtension}\n * Extension for `mdast-util-to-markdown` to enable GFM task list items.\n */\nexport function gfmTaskListItemToMarkdown() {\n return {\n unsafe: [{atBreak: true, character: '-', after: '[:|-]'}],\n handlers: {listItem: listItemWithTaskListItem}\n }\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitCheck(token) {\n // We’re always in a paragraph, in a list item.\n const node = this.stack[this.stack.length - 2]\n assert(node.type === 'listItem')\n node.checked = token.type === 'taskListCheckValueChecked'\n}\n\n/**\n * @this {CompileContext}\n * @type {FromMarkdownHandle}\n */\nfunction exitParagraphWithTaskListItem(token) {\n const parent = this.stack[this.stack.length - 2]\n\n if (\n parent &&\n parent.type === 'listItem' &&\n typeof parent.checked === 'boolean'\n ) {\n const node = this.stack[this.stack.length - 1]\n assert(node.type === 'paragraph')\n const head = node.children[0]\n\n if (head && head.type === 'text') {\n const siblings = parent.children\n let index = -1\n /** @type {Paragraph | undefined} */\n let firstParaghraph\n\n while (++index < siblings.length) {\n const sibling = siblings[index]\n if (sibling.type === 'paragraph') {\n firstParaghraph = sibling\n break\n }\n }\n\n if (firstParaghraph === node) {\n // Must start with a space or a tab.\n head.value = head.value.slice(1)\n\n if (head.value.length === 0) {\n node.children.shift()\n } else if (\n node.position &&\n head.position &&\n typeof head.position.start.offset === 'number'\n ) {\n head.position.start.column++\n head.position.start.offset++\n node.position.start = Object.assign({}, head.position.start)\n }\n }\n }\n }\n\n this.exit(token)\n}\n\n/**\n * @type {ToMarkdownHandle}\n * @param {ListItem} node\n */\nfunction listItemWithTaskListItem(node, parent, state, info) {\n const head = node.children[0]\n const checkable =\n typeof node.checked === 'boolean' && head && head.type === 'paragraph'\n const checkbox = '[' + (node.checked ? 'x' : ' ') + '] '\n const tracker = state.createTracker(info)\n\n if (checkable) {\n tracker.move(checkbox)\n }\n\n let value = defaultHandlers.listItem(node, parent, state, {\n ...info,\n ...tracker.current()\n })\n\n if (checkable) {\n value = value.replace(/^(?:[*+-]|\\d+\\.)([\\r\\n]| {1,3})/, check)\n }\n\n return value\n\n /**\n * @param {string} $0\n * @returns {string}\n */\n function check($0) {\n return $0 + checkbox\n }\n}\n","/**\n * @import {Code, ConstructRecord, Event, Extension, Previous, State, TokenizeContext, Tokenizer} from 'micromark-util-types'\n */\n\nimport { asciiAlpha, asciiAlphanumeric, asciiControl, markdownLineEndingOrSpace, unicodePunctuation, unicodeWhitespace } from 'micromark-util-character';\nconst wwwPrefix = {\n tokenize: tokenizeWwwPrefix,\n partial: true\n};\nconst domain = {\n tokenize: tokenizeDomain,\n partial: true\n};\nconst path = {\n tokenize: tokenizePath,\n partial: true\n};\nconst trail = {\n tokenize: tokenizeTrail,\n partial: true\n};\nconst emailDomainDotTrail = {\n tokenize: tokenizeEmailDomainDotTrail,\n partial: true\n};\nconst wwwAutolink = {\n name: 'wwwAutolink',\n tokenize: tokenizeWwwAutolink,\n previous: previousWww\n};\nconst protocolAutolink = {\n name: 'protocolAutolink',\n tokenize: tokenizeProtocolAutolink,\n previous: previousProtocol\n};\nconst emailAutolink = {\n name: 'emailAutolink',\n tokenize: tokenizeEmailAutolink,\n previous: previousEmail\n};\n\n/** @type {ConstructRecord} */\nconst text = {};\n\n/**\n * Create an extension for `micromark` to support GitHub autolink literal\n * syntax.\n *\n * @returns {Extension}\n * Extension for `micromark` that can be passed in `extensions` to enable GFM\n * autolink literal syntax.\n */\nexport function gfmAutolinkLiteral() {\n return {\n text\n };\n}\n\n/** @type {Code} */\nlet code = 48;\n\n// Add alphanumerics.\nwhile (code < 123) {\n text[code] = emailAutolink;\n code++;\n if (code === 58) code = 65;else if (code === 91) code = 97;\n}\ntext[43] = emailAutolink;\ntext[45] = emailAutolink;\ntext[46] = emailAutolink;\ntext[95] = emailAutolink;\ntext[72] = [emailAutolink, protocolAutolink];\ntext[104] = [emailAutolink, protocolAutolink];\ntext[87] = [emailAutolink, wwwAutolink];\ntext[119] = [emailAutolink, wwwAutolink];\n\n// To do: perform email autolink literals on events, afterwards.\n// That’s where `markdown-rs` and `cmark-gfm` perform it.\n// It should look for `@`, then for atext backwards, and then for a label\n// forwards.\n// To do: `mailto:`, `xmpp:` protocol as prefix.\n\n/**\n * Email autolink literal.\n *\n * ```markdown\n * > | a contact@example.org b\n * ^^^^^^^^^^^^^^^^^^^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeEmailAutolink(effects, ok, nok) {\n const self = this;\n /** @type {boolean | undefined} */\n let dot;\n /** @type {boolean} */\n let data;\n return start;\n\n /**\n * Start of email autolink literal.\n *\n * ```markdown\n * > | a contact@example.org b\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n if (!gfmAtext(code) || !previousEmail.call(self, self.previous) || previousUnbalanced(self.events)) {\n return nok(code);\n }\n effects.enter('literalAutolink');\n effects.enter('literalAutolinkEmail');\n return atext(code);\n }\n\n /**\n * In email atext.\n *\n * ```markdown\n * > | a contact@example.org b\n * ^\n * ```\n *\n * @type {State}\n */\n function atext(code) {\n if (gfmAtext(code)) {\n effects.consume(code);\n return atext;\n }\n if (code === 64) {\n effects.consume(code);\n return emailDomain;\n }\n return nok(code);\n }\n\n /**\n * In email domain.\n *\n * The reference code is a bit overly complex as it handles the `@`, of which\n * there may be just one.\n * Source: \n *\n * ```markdown\n * > | a contact@example.org b\n * ^\n * ```\n *\n * @type {State}\n */\n function emailDomain(code) {\n // Dot followed by alphanumerical (not `-` or `_`).\n if (code === 46) {\n return effects.check(emailDomainDotTrail, emailDomainAfter, emailDomainDot)(code);\n }\n\n // Alphanumerical, `-`, and `_`.\n if (code === 45 || code === 95 || asciiAlphanumeric(code)) {\n data = true;\n effects.consume(code);\n return emailDomain;\n }\n\n // To do: `/` if xmpp.\n\n // Note: normally we’d truncate trailing punctuation from the link.\n // However, email autolink literals cannot contain any of those markers,\n // except for `.`, but that can only occur if it isn’t trailing.\n // So we can ignore truncating!\n return emailDomainAfter(code);\n }\n\n /**\n * In email domain, on dot that is not a trail.\n *\n * ```markdown\n * > | a contact@example.org b\n * ^\n * ```\n *\n * @type {State}\n */\n function emailDomainDot(code) {\n effects.consume(code);\n dot = true;\n return emailDomain;\n }\n\n /**\n * After email domain.\n *\n * ```markdown\n * > | a contact@example.org b\n * ^\n * ```\n *\n * @type {State}\n */\n function emailDomainAfter(code) {\n // Domain must not be empty, must include a dot, and must end in alphabetical.\n // Source: .\n if (data && dot && asciiAlpha(self.previous)) {\n effects.exit('literalAutolinkEmail');\n effects.exit('literalAutolink');\n return ok(code);\n }\n return nok(code);\n }\n}\n\n/**\n * `www` autolink literal.\n *\n * ```markdown\n * > | a www.example.org b\n * ^^^^^^^^^^^^^^^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeWwwAutolink(effects, ok, nok) {\n const self = this;\n return wwwStart;\n\n /**\n * Start of www autolink literal.\n *\n * ```markdown\n * > | www.example.com/a?b#c\n * ^\n * ```\n *\n * @type {State}\n */\n function wwwStart(code) {\n if (code !== 87 && code !== 119 || !previousWww.call(self, self.previous) || previousUnbalanced(self.events)) {\n return nok(code);\n }\n effects.enter('literalAutolink');\n effects.enter('literalAutolinkWww');\n // Note: we *check*, so we can discard the `www.` we parsed.\n // If it worked, we consider it as a part of the domain.\n return effects.check(wwwPrefix, effects.attempt(domain, effects.attempt(path, wwwAfter), nok), nok)(code);\n }\n\n /**\n * After a www autolink literal.\n *\n * ```markdown\n * > | www.example.com/a?b#c\n * ^\n * ```\n *\n * @type {State}\n */\n function wwwAfter(code) {\n effects.exit('literalAutolinkWww');\n effects.exit('literalAutolink');\n return ok(code);\n }\n}\n\n/**\n * Protocol autolink literal.\n *\n * ```markdown\n * > | a https://example.org b\n * ^^^^^^^^^^^^^^^^^^^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeProtocolAutolink(effects, ok, nok) {\n const self = this;\n let buffer = '';\n let seen = false;\n return protocolStart;\n\n /**\n * Start of protocol autolink literal.\n *\n * ```markdown\n * > | https://example.com/a?b#c\n * ^\n * ```\n *\n * @type {State}\n */\n function protocolStart(code) {\n if ((code === 72 || code === 104) && previousProtocol.call(self, self.previous) && !previousUnbalanced(self.events)) {\n effects.enter('literalAutolink');\n effects.enter('literalAutolinkHttp');\n buffer += String.fromCodePoint(code);\n effects.consume(code);\n return protocolPrefixInside;\n }\n return nok(code);\n }\n\n /**\n * In protocol.\n *\n * ```markdown\n * > | https://example.com/a?b#c\n * ^^^^^\n * ```\n *\n * @type {State}\n */\n function protocolPrefixInside(code) {\n // `5` is size of `https`\n if (asciiAlpha(code) && buffer.length < 5) {\n // @ts-expect-error: definitely number.\n buffer += String.fromCodePoint(code);\n effects.consume(code);\n return protocolPrefixInside;\n }\n if (code === 58) {\n const protocol = buffer.toLowerCase();\n if (protocol === 'http' || protocol === 'https') {\n effects.consume(code);\n return protocolSlashesInside;\n }\n }\n return nok(code);\n }\n\n /**\n * In slashes.\n *\n * ```markdown\n * > | https://example.com/a?b#c\n * ^^\n * ```\n *\n * @type {State}\n */\n function protocolSlashesInside(code) {\n if (code === 47) {\n effects.consume(code);\n if (seen) {\n return afterProtocol;\n }\n seen = true;\n return protocolSlashesInside;\n }\n return nok(code);\n }\n\n /**\n * After protocol, before domain.\n *\n * ```markdown\n * > | https://example.com/a?b#c\n * ^\n * ```\n *\n * @type {State}\n */\n function afterProtocol(code) {\n // To do: this is different from `markdown-rs`:\n // https://github.com/wooorm/markdown-rs/blob/b3a921c761309ae00a51fe348d8a43adbc54b518/src/construct/gfm_autolink_literal.rs#L172-L182\n return code === null || asciiControl(code) || markdownLineEndingOrSpace(code) || unicodeWhitespace(code) || unicodePunctuation(code) ? nok(code) : effects.attempt(domain, effects.attempt(path, protocolAfter), nok)(code);\n }\n\n /**\n * After a protocol autolink literal.\n *\n * ```markdown\n * > | https://example.com/a?b#c\n * ^\n * ```\n *\n * @type {State}\n */\n function protocolAfter(code) {\n effects.exit('literalAutolinkHttp');\n effects.exit('literalAutolink');\n return ok(code);\n }\n}\n\n/**\n * `www` prefix.\n *\n * ```markdown\n * > | a www.example.org b\n * ^^^^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeWwwPrefix(effects, ok, nok) {\n let size = 0;\n return wwwPrefixInside;\n\n /**\n * In www prefix.\n *\n * ```markdown\n * > | www.example.com\n * ^^^^\n * ```\n *\n * @type {State}\n */\n function wwwPrefixInside(code) {\n if ((code === 87 || code === 119) && size < 3) {\n size++;\n effects.consume(code);\n return wwwPrefixInside;\n }\n if (code === 46 && size === 3) {\n effects.consume(code);\n return wwwPrefixAfter;\n }\n return nok(code);\n }\n\n /**\n * After www prefix.\n *\n * ```markdown\n * > | www.example.com\n * ^\n * ```\n *\n * @type {State}\n */\n function wwwPrefixAfter(code) {\n // If there is *anything*, we can link.\n return code === null ? nok(code) : ok(code);\n }\n}\n\n/**\n * Domain.\n *\n * ```markdown\n * > | a https://example.org b\n * ^^^^^^^^^^^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeDomain(effects, ok, nok) {\n /** @type {boolean | undefined} */\n let underscoreInLastSegment;\n /** @type {boolean | undefined} */\n let underscoreInLastLastSegment;\n /** @type {boolean | undefined} */\n let seen;\n return domainInside;\n\n /**\n * In domain.\n *\n * ```markdown\n * > | https://example.com/a\n * ^^^^^^^^^^^\n * ```\n *\n * @type {State}\n */\n function domainInside(code) {\n // Check whether this marker, which is a trailing punctuation\n // marker, optionally followed by more trailing markers, and then\n // followed by an end.\n if (code === 46 || code === 95) {\n return effects.check(trail, domainAfter, domainAtPunctuation)(code);\n }\n\n // GH documents that only alphanumerics (other than `-`, `.`, and `_`) can\n // occur, which sounds like ASCII only, but they also support `www.點看.com`,\n // so that’s Unicode.\n // Instead of some new production for Unicode alphanumerics, markdown\n // already has that for Unicode punctuation and whitespace, so use those.\n // Source: .\n if (code === null || markdownLineEndingOrSpace(code) || unicodeWhitespace(code) || code !== 45 && unicodePunctuation(code)) {\n return domainAfter(code);\n }\n seen = true;\n effects.consume(code);\n return domainInside;\n }\n\n /**\n * In domain, at potential trailing punctuation, that was not trailing.\n *\n * ```markdown\n * > | https://example.com\n * ^\n * ```\n *\n * @type {State}\n */\n function domainAtPunctuation(code) {\n // There is an underscore in the last segment of the domain\n if (code === 95) {\n underscoreInLastSegment = true;\n }\n // Otherwise, it’s a `.`: save the last segment underscore in the\n // penultimate segment slot.\n else {\n underscoreInLastLastSegment = underscoreInLastSegment;\n underscoreInLastSegment = undefined;\n }\n effects.consume(code);\n return domainInside;\n }\n\n /**\n * After domain.\n *\n * ```markdown\n * > | https://example.com/a\n * ^\n * ```\n *\n * @type {State} */\n function domainAfter(code) {\n // Note: that’s GH says a dot is needed, but it’s not true:\n // \n if (underscoreInLastLastSegment || underscoreInLastSegment || !seen) {\n return nok(code);\n }\n return ok(code);\n }\n}\n\n/**\n * Path.\n *\n * ```markdown\n * > | a https://example.org/stuff b\n * ^^^^^^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizePath(effects, ok) {\n let sizeOpen = 0;\n let sizeClose = 0;\n return pathInside;\n\n /**\n * In path.\n *\n * ```markdown\n * > | https://example.com/a\n * ^^\n * ```\n *\n * @type {State}\n */\n function pathInside(code) {\n if (code === 40) {\n sizeOpen++;\n effects.consume(code);\n return pathInside;\n }\n\n // To do: `markdown-rs` also needs this.\n // If this is a paren, and there are less closings than openings,\n // we don’t check for a trail.\n if (code === 41 && sizeClose < sizeOpen) {\n return pathAtPunctuation(code);\n }\n\n // Check whether this trailing punctuation marker is optionally\n // followed by more trailing markers, and then followed\n // by an end.\n if (code === 33 || code === 34 || code === 38 || code === 39 || code === 41 || code === 42 || code === 44 || code === 46 || code === 58 || code === 59 || code === 60 || code === 63 || code === 93 || code === 95 || code === 126) {\n return effects.check(trail, ok, pathAtPunctuation)(code);\n }\n if (code === null || markdownLineEndingOrSpace(code) || unicodeWhitespace(code)) {\n return ok(code);\n }\n effects.consume(code);\n return pathInside;\n }\n\n /**\n * In path, at potential trailing punctuation, that was not trailing.\n *\n * ```markdown\n * > | https://example.com/a\"b\n * ^\n * ```\n *\n * @type {State}\n */\n function pathAtPunctuation(code) {\n // Count closing parens.\n if (code === 41) {\n sizeClose++;\n }\n effects.consume(code);\n return pathInside;\n }\n}\n\n/**\n * Trail.\n *\n * This calls `ok` if this *is* the trail, followed by an end, which means\n * the entire trail is not part of the link.\n * It calls `nok` if this *is* part of the link.\n *\n * ```markdown\n * > | https://example.com\").\n * ^^^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeTrail(effects, ok, nok) {\n return trail;\n\n /**\n * In trail of domain or path.\n *\n * ```markdown\n * > | https://example.com\").\n * ^\n * ```\n *\n * @type {State}\n */\n function trail(code) {\n // Regular trailing punctuation.\n if (code === 33 || code === 34 || code === 39 || code === 41 || code === 42 || code === 44 || code === 46 || code === 58 || code === 59 || code === 63 || code === 95 || code === 126) {\n effects.consume(code);\n return trail;\n }\n\n // `&` followed by one or more alphabeticals and then a `;`, is\n // as a whole considered as trailing punctuation.\n // In all other cases, it is considered as continuation of the URL.\n if (code === 38) {\n effects.consume(code);\n return trailCharacterReferenceStart;\n }\n\n // Needed because we allow literals after `[`, as we fix:\n // .\n // Check that it is not followed by `(` or `[`.\n if (code === 93) {\n effects.consume(code);\n return trailBracketAfter;\n }\n if (\n // `<` is an end.\n code === 60 ||\n // So is whitespace.\n code === null || markdownLineEndingOrSpace(code) || unicodeWhitespace(code)) {\n return ok(code);\n }\n return nok(code);\n }\n\n /**\n * In trail, after `]`.\n *\n * > 👉 **Note**: this deviates from `cmark-gfm` to fix a bug.\n * > See end of for more.\n *\n * ```markdown\n * > | https://example.com](\n * ^\n * ```\n *\n * @type {State}\n */\n function trailBracketAfter(code) {\n // Whitespace or something that could start a resource or reference is the end.\n // Switch back to trail otherwise.\n if (code === null || code === 40 || code === 91 || markdownLineEndingOrSpace(code) || unicodeWhitespace(code)) {\n return ok(code);\n }\n return trail(code);\n }\n\n /**\n * In character-reference like trail, after `&`.\n *\n * ```markdown\n * > | https://example.com&).\n * ^\n * ```\n *\n * @type {State}\n */\n function trailCharacterReferenceStart(code) {\n // When non-alpha, it’s not a trail.\n return asciiAlpha(code) ? trailCharacterReferenceInside(code) : nok(code);\n }\n\n /**\n * In character-reference like trail.\n *\n * ```markdown\n * > | https://example.com&).\n * ^\n * ```\n *\n * @type {State}\n */\n function trailCharacterReferenceInside(code) {\n // Switch back to trail if this is well-formed.\n if (code === 59) {\n effects.consume(code);\n return trail;\n }\n if (asciiAlpha(code)) {\n effects.consume(code);\n return trailCharacterReferenceInside;\n }\n\n // It’s not a trail.\n return nok(code);\n }\n}\n\n/**\n * Dot in email domain trail.\n *\n * This calls `ok` if this *is* the trail, followed by an end, which means\n * the trail is not part of the link.\n * It calls `nok` if this *is* part of the link.\n *\n * ```markdown\n * > | contact@example.org.\n * ^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeEmailDomainDotTrail(effects, ok, nok) {\n return start;\n\n /**\n * Dot.\n *\n * ```markdown\n * > | contact@example.org.\n * ^ ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n // Must be dot.\n effects.consume(code);\n return after;\n }\n\n /**\n * After dot.\n *\n * ```markdown\n * > | contact@example.org.\n * ^ ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n // Not a trail if alphanumeric.\n return asciiAlphanumeric(code) ? nok(code) : ok(code);\n }\n}\n\n/**\n * See:\n * .\n *\n * @type {Previous}\n */\nfunction previousWww(code) {\n return code === null || code === 40 || code === 42 || code === 95 || code === 91 || code === 93 || code === 126 || markdownLineEndingOrSpace(code);\n}\n\n/**\n * See:\n * .\n *\n * @type {Previous}\n */\nfunction previousProtocol(code) {\n return !asciiAlpha(code);\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Previous}\n */\nfunction previousEmail(code) {\n // Do not allow a slash “inside” atext.\n // The reference code is a bit weird, but that’s what it results in.\n // Source: .\n // Other than slash, every preceding character is allowed.\n return !(code === 47 || gfmAtext(code));\n}\n\n/**\n * @param {Code} code\n * @returns {boolean}\n */\nfunction gfmAtext(code) {\n return code === 43 || code === 45 || code === 46 || code === 95 || asciiAlphanumeric(code);\n}\n\n/**\n * @param {Array} events\n * @returns {boolean}\n */\nfunction previousUnbalanced(events) {\n let index = events.length;\n let result = false;\n while (index--) {\n const token = events[index][1];\n if ((token.type === 'labelLink' || token.type === 'labelImage') && !token._balanced) {\n result = true;\n break;\n }\n\n // If we’ve seen this token, and it was marked as not having any unbalanced\n // bracket before it, we can exit.\n if (token._gfmAutolinkLiteralWalkedInto) {\n result = false;\n break;\n }\n }\n if (events.length > 0 && !result) {\n // Mark the last token as “walked into” w/o finding\n // anything.\n events[events.length - 1][1]._gfmAutolinkLiteralWalkedInto = true;\n }\n return result;\n}","/**\n * @import {Event, Exiter, Extension, Resolver, State, Token, TokenizeContext, Tokenizer} from 'micromark-util-types'\n */\n\nimport { blankLine } from 'micromark-core-commonmark';\nimport { factorySpace } from 'micromark-factory-space';\nimport { markdownLineEndingOrSpace } from 'micromark-util-character';\nimport { normalizeIdentifier } from 'micromark-util-normalize-identifier';\nconst indent = {\n tokenize: tokenizeIndent,\n partial: true\n};\n\n// To do: micromark should support a `_hiddenGfmFootnoteSupport`, which only\n// affects label start (image).\n// That will let us drop `tokenizePotentialGfmFootnote*`.\n// It currently has a `_hiddenFootnoteSupport`, which affects that and more.\n// That can be removed when `micromark-extension-footnote` is archived.\n\n/**\n * Create an extension for `micromark` to enable GFM footnote syntax.\n *\n * @returns {Extension}\n * Extension for `micromark` that can be passed in `extensions` to\n * enable GFM footnote syntax.\n */\nexport function gfmFootnote() {\n /** @type {Extension} */\n return {\n document: {\n [91]: {\n name: 'gfmFootnoteDefinition',\n tokenize: tokenizeDefinitionStart,\n continuation: {\n tokenize: tokenizeDefinitionContinuation\n },\n exit: gfmFootnoteDefinitionEnd\n }\n },\n text: {\n [91]: {\n name: 'gfmFootnoteCall',\n tokenize: tokenizeGfmFootnoteCall\n },\n [93]: {\n name: 'gfmPotentialFootnoteCall',\n add: 'after',\n tokenize: tokenizePotentialGfmFootnoteCall,\n resolveTo: resolveToPotentialGfmFootnoteCall\n }\n }\n };\n}\n\n// To do: remove after micromark update.\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizePotentialGfmFootnoteCall(effects, ok, nok) {\n const self = this;\n let index = self.events.length;\n const defined = self.parser.gfmFootnotes || (self.parser.gfmFootnotes = []);\n /** @type {Token} */\n let labelStart;\n\n // Find an opening.\n while (index--) {\n const token = self.events[index][1];\n if (token.type === \"labelImage\") {\n labelStart = token;\n break;\n }\n\n // Exit if we’ve walked far enough.\n if (token.type === 'gfmFootnoteCall' || token.type === \"labelLink\" || token.type === \"label\" || token.type === \"image\" || token.type === \"link\") {\n break;\n }\n }\n return start;\n\n /**\n * @type {State}\n */\n function start(code) {\n if (!labelStart || !labelStart._balanced) {\n return nok(code);\n }\n const id = normalizeIdentifier(self.sliceSerialize({\n start: labelStart.end,\n end: self.now()\n }));\n if (id.codePointAt(0) !== 94 || !defined.includes(id.slice(1))) {\n return nok(code);\n }\n effects.enter('gfmFootnoteCallLabelMarker');\n effects.consume(code);\n effects.exit('gfmFootnoteCallLabelMarker');\n return ok(code);\n }\n}\n\n// To do: remove after micromark update.\n/** @type {Resolver} */\nfunction resolveToPotentialGfmFootnoteCall(events, context) {\n let index = events.length;\n /** @type {Token | undefined} */\n let labelStart;\n\n // Find an opening.\n while (index--) {\n if (events[index][1].type === \"labelImage\" && events[index][0] === 'enter') {\n labelStart = events[index][1];\n break;\n }\n }\n // Change the `labelImageMarker` to a `data`.\n events[index + 1][1].type = \"data\";\n events[index + 3][1].type = 'gfmFootnoteCallLabelMarker';\n\n // The whole (without `!`):\n /** @type {Token} */\n const call = {\n type: 'gfmFootnoteCall',\n start: Object.assign({}, events[index + 3][1].start),\n end: Object.assign({}, events[events.length - 1][1].end)\n };\n // The `^` marker\n /** @type {Token} */\n const marker = {\n type: 'gfmFootnoteCallMarker',\n start: Object.assign({}, events[index + 3][1].end),\n end: Object.assign({}, events[index + 3][1].end)\n };\n // Increment the end 1 character.\n marker.end.column++;\n marker.end.offset++;\n marker.end._bufferIndex++;\n /** @type {Token} */\n const string = {\n type: 'gfmFootnoteCallString',\n start: Object.assign({}, marker.end),\n end: Object.assign({}, events[events.length - 1][1].start)\n };\n /** @type {Token} */\n const chunk = {\n type: \"chunkString\",\n contentType: 'string',\n start: Object.assign({}, string.start),\n end: Object.assign({}, string.end)\n };\n\n /** @type {Array} */\n const replacement = [\n // Take the `labelImageMarker` (now `data`, the `!`)\n events[index + 1], events[index + 2], ['enter', call, context],\n // The `[`\n events[index + 3], events[index + 4],\n // The `^`.\n ['enter', marker, context], ['exit', marker, context],\n // Everything in between.\n ['enter', string, context], ['enter', chunk, context], ['exit', chunk, context], ['exit', string, context],\n // The ending (`]`, properly parsed and labelled).\n events[events.length - 2], events[events.length - 1], ['exit', call, context]];\n events.splice(index, events.length - index + 1, ...replacement);\n return events;\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeGfmFootnoteCall(effects, ok, nok) {\n const self = this;\n const defined = self.parser.gfmFootnotes || (self.parser.gfmFootnotes = []);\n let size = 0;\n /** @type {boolean} */\n let data;\n\n // Note: the implementation of `markdown-rs` is different, because it houses\n // core *and* extensions in one project.\n // Therefore, it can include footnote logic inside `label-end`.\n // We can’t do that, but luckily, we can parse footnotes in a simpler way than\n // needed for labels.\n return start;\n\n /**\n * Start of footnote label.\n *\n * ```markdown\n * > | a [^b] c\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter('gfmFootnoteCall');\n effects.enter('gfmFootnoteCallLabelMarker');\n effects.consume(code);\n effects.exit('gfmFootnoteCallLabelMarker');\n return callStart;\n }\n\n /**\n * After `[`, at `^`.\n *\n * ```markdown\n * > | a [^b] c\n * ^\n * ```\n *\n * @type {State}\n */\n function callStart(code) {\n if (code !== 94) return nok(code);\n effects.enter('gfmFootnoteCallMarker');\n effects.consume(code);\n effects.exit('gfmFootnoteCallMarker');\n effects.enter('gfmFootnoteCallString');\n effects.enter('chunkString').contentType = 'string';\n return callData;\n }\n\n /**\n * In label.\n *\n * ```markdown\n * > | a [^b] c\n * ^\n * ```\n *\n * @type {State}\n */\n function callData(code) {\n if (\n // Too long.\n size > 999 ||\n // Closing brace with nothing.\n code === 93 && !data ||\n // Space or tab is not supported by GFM for some reason.\n // `\\n` and `[` not being supported makes sense.\n code === null || code === 91 || markdownLineEndingOrSpace(code)) {\n return nok(code);\n }\n if (code === 93) {\n effects.exit('chunkString');\n const token = effects.exit('gfmFootnoteCallString');\n if (!defined.includes(normalizeIdentifier(self.sliceSerialize(token)))) {\n return nok(code);\n }\n effects.enter('gfmFootnoteCallLabelMarker');\n effects.consume(code);\n effects.exit('gfmFootnoteCallLabelMarker');\n effects.exit('gfmFootnoteCall');\n return ok;\n }\n if (!markdownLineEndingOrSpace(code)) {\n data = true;\n }\n size++;\n effects.consume(code);\n return code === 92 ? callEscape : callData;\n }\n\n /**\n * On character after escape.\n *\n * ```markdown\n * > | a [^b\\c] d\n * ^\n * ```\n *\n * @type {State}\n */\n function callEscape(code) {\n if (code === 91 || code === 92 || code === 93) {\n effects.consume(code);\n size++;\n return callData;\n }\n return callData(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeDefinitionStart(effects, ok, nok) {\n const self = this;\n const defined = self.parser.gfmFootnotes || (self.parser.gfmFootnotes = []);\n /** @type {string} */\n let identifier;\n let size = 0;\n /** @type {boolean | undefined} */\n let data;\n return start;\n\n /**\n * Start of GFM footnote definition.\n *\n * ```markdown\n * > | [^a]: b\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter('gfmFootnoteDefinition')._container = true;\n effects.enter('gfmFootnoteDefinitionLabel');\n effects.enter('gfmFootnoteDefinitionLabelMarker');\n effects.consume(code);\n effects.exit('gfmFootnoteDefinitionLabelMarker');\n return labelAtMarker;\n }\n\n /**\n * In label, at caret.\n *\n * ```markdown\n * > | [^a]: b\n * ^\n * ```\n *\n * @type {State}\n */\n function labelAtMarker(code) {\n if (code === 94) {\n effects.enter('gfmFootnoteDefinitionMarker');\n effects.consume(code);\n effects.exit('gfmFootnoteDefinitionMarker');\n effects.enter('gfmFootnoteDefinitionLabelString');\n effects.enter('chunkString').contentType = 'string';\n return labelInside;\n }\n return nok(code);\n }\n\n /**\n * In label.\n *\n * > 👉 **Note**: `cmark-gfm` prevents whitespace from occurring in footnote\n * > definition labels.\n *\n * ```markdown\n * > | [^a]: b\n * ^\n * ```\n *\n * @type {State}\n */\n function labelInside(code) {\n if (\n // Too long.\n size > 999 ||\n // Closing brace with nothing.\n code === 93 && !data ||\n // Space or tab is not supported by GFM for some reason.\n // `\\n` and `[` not being supported makes sense.\n code === null || code === 91 || markdownLineEndingOrSpace(code)) {\n return nok(code);\n }\n if (code === 93) {\n effects.exit('chunkString');\n const token = effects.exit('gfmFootnoteDefinitionLabelString');\n identifier = normalizeIdentifier(self.sliceSerialize(token));\n effects.enter('gfmFootnoteDefinitionLabelMarker');\n effects.consume(code);\n effects.exit('gfmFootnoteDefinitionLabelMarker');\n effects.exit('gfmFootnoteDefinitionLabel');\n return labelAfter;\n }\n if (!markdownLineEndingOrSpace(code)) {\n data = true;\n }\n size++;\n effects.consume(code);\n return code === 92 ? labelEscape : labelInside;\n }\n\n /**\n * After `\\`, at a special character.\n *\n * > 👉 **Note**: `cmark-gfm` currently does not support escaped brackets:\n * > \n *\n * ```markdown\n * > | [^a\\*b]: c\n * ^\n * ```\n *\n * @type {State}\n */\n function labelEscape(code) {\n if (code === 91 || code === 92 || code === 93) {\n effects.consume(code);\n size++;\n return labelInside;\n }\n return labelInside(code);\n }\n\n /**\n * After definition label.\n *\n * ```markdown\n * > | [^a]: b\n * ^\n * ```\n *\n * @type {State}\n */\n function labelAfter(code) {\n if (code === 58) {\n effects.enter('definitionMarker');\n effects.consume(code);\n effects.exit('definitionMarker');\n if (!defined.includes(identifier)) {\n defined.push(identifier);\n }\n\n // Any whitespace after the marker is eaten, forming indented code\n // is not possible.\n // No space is also fine, just like a block quote marker.\n return factorySpace(effects, whitespaceAfter, 'gfmFootnoteDefinitionWhitespace');\n }\n return nok(code);\n }\n\n /**\n * After definition prefix.\n *\n * ```markdown\n * > | [^a]: b\n * ^\n * ```\n *\n * @type {State}\n */\n function whitespaceAfter(code) {\n // `markdown-rs` has a wrapping token for the prefix that is closed here.\n return ok(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeDefinitionContinuation(effects, ok, nok) {\n /// Start of footnote definition continuation.\n ///\n /// ```markdown\n /// | [^a]: b\n /// > | c\n /// ^\n /// ```\n //\n // Either a blank line, which is okay, or an indented thing.\n return effects.check(blankLine, ok, effects.attempt(indent, ok, nok));\n}\n\n/** @type {Exiter} */\nfunction gfmFootnoteDefinitionEnd(effects) {\n effects.exit('gfmFootnoteDefinition');\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeIndent(effects, ok, nok) {\n const self = this;\n return factorySpace(effects, afterPrefix, 'gfmFootnoteDefinitionIndent', 4 + 1);\n\n /**\n * @type {State}\n */\n function afterPrefix(code) {\n const tail = self.events[self.events.length - 1];\n return tail && tail[1].type === 'gfmFootnoteDefinitionIndent' && tail[2].sliceSerialize(tail[1], true).length === 4 ? ok(code) : nok(code);\n }\n}","/**\n * @import {Options} from 'micromark-extension-gfm-strikethrough'\n * @import {Event, Extension, Resolver, State, Token, TokenizeContext, Tokenizer} from 'micromark-util-types'\n */\n\nimport { splice } from 'micromark-util-chunked';\nimport { classifyCharacter } from 'micromark-util-classify-character';\nimport { resolveAll } from 'micromark-util-resolve-all';\n/**\n * Create an extension for `micromark` to enable GFM strikethrough syntax.\n *\n * @param {Options | null | undefined} [options={}]\n * Configuration.\n * @returns {Extension}\n * Extension for `micromark` that can be passed in `extensions`, to\n * enable GFM strikethrough syntax.\n */\nexport function gfmStrikethrough(options) {\n const options_ = options || {};\n let single = options_.singleTilde;\n const tokenizer = {\n name: 'strikethrough',\n tokenize: tokenizeStrikethrough,\n resolveAll: resolveAllStrikethrough\n };\n if (single === null || single === undefined) {\n single = true;\n }\n return {\n text: {\n [126]: tokenizer\n },\n insideSpan: {\n null: [tokenizer]\n },\n attentionMarkers: {\n null: [126]\n }\n };\n\n /**\n * Take events and resolve strikethrough.\n *\n * @type {Resolver}\n */\n function resolveAllStrikethrough(events, context) {\n let index = -1;\n\n // Walk through all events.\n while (++index < events.length) {\n // Find a token that can close.\n if (events[index][0] === 'enter' && events[index][1].type === 'strikethroughSequenceTemporary' && events[index][1]._close) {\n let open = index;\n\n // Now walk back to find an opener.\n while (open--) {\n // Find a token that can open the closer.\n if (events[open][0] === 'exit' && events[open][1].type === 'strikethroughSequenceTemporary' && events[open][1]._open &&\n // If the sizes are the same:\n events[index][1].end.offset - events[index][1].start.offset === events[open][1].end.offset - events[open][1].start.offset) {\n events[index][1].type = 'strikethroughSequence';\n events[open][1].type = 'strikethroughSequence';\n\n /** @type {Token} */\n const strikethrough = {\n type: 'strikethrough',\n start: Object.assign({}, events[open][1].start),\n end: Object.assign({}, events[index][1].end)\n };\n\n /** @type {Token} */\n const text = {\n type: 'strikethroughText',\n start: Object.assign({}, events[open][1].end),\n end: Object.assign({}, events[index][1].start)\n };\n\n // Opening.\n /** @type {Array} */\n const nextEvents = [['enter', strikethrough, context], ['enter', events[open][1], context], ['exit', events[open][1], context], ['enter', text, context]];\n const insideSpan = context.parser.constructs.insideSpan.null;\n if (insideSpan) {\n // Between.\n splice(nextEvents, nextEvents.length, 0, resolveAll(insideSpan, events.slice(open + 1, index), context));\n }\n\n // Closing.\n splice(nextEvents, nextEvents.length, 0, [['exit', text, context], ['enter', events[index][1], context], ['exit', events[index][1], context], ['exit', strikethrough, context]]);\n splice(events, open - 1, index - open + 3, nextEvents);\n index = open + nextEvents.length - 2;\n break;\n }\n }\n }\n }\n index = -1;\n while (++index < events.length) {\n if (events[index][1].type === 'strikethroughSequenceTemporary') {\n events[index][1].type = \"data\";\n }\n }\n return events;\n }\n\n /**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\n function tokenizeStrikethrough(effects, ok, nok) {\n const previous = this.previous;\n const events = this.events;\n let size = 0;\n return start;\n\n /** @type {State} */\n function start(code) {\n if (previous === 126 && events[events.length - 1][1].type !== \"characterEscape\") {\n return nok(code);\n }\n effects.enter('strikethroughSequenceTemporary');\n return more(code);\n }\n\n /** @type {State} */\n function more(code) {\n const before = classifyCharacter(previous);\n if (code === 126) {\n // If this is the third marker, exit.\n if (size > 1) return nok(code);\n effects.consume(code);\n size++;\n return more;\n }\n if (size < 2 && !single) return nok(code);\n const token = effects.exit('strikethroughSequenceTemporary');\n const after = classifyCharacter(code);\n token._open = !after || after === 2 && Boolean(before);\n token._close = !before || before === 2 && Boolean(after);\n return ok(code);\n }\n }\n}","/**\n * @import {Event} from 'micromark-util-types'\n */\n\n// Port of `edit_map.rs` from `markdown-rs`.\n// This should move to `markdown-js` later.\n\n// Deal with several changes in events, batching them together.\n//\n// Preferably, changes should be kept to a minimum.\n// Sometimes, it’s needed to change the list of events, because parsing can be\n// messy, and it helps to expose a cleaner interface of events to the compiler\n// and other users.\n// It can also help to merge many adjacent similar events.\n// And, in other cases, it’s needed to parse subcontent: pass some events\n// through another tokenizer and inject the result.\n\n/**\n * @typedef {[number, number, Array]} Change\n * @typedef {[number, number, number]} Jump\n */\n\n/**\n * Tracks a bunch of edits.\n */\nexport class EditMap {\n /**\n * Create a new edit map.\n */\n constructor() {\n /**\n * Record of changes.\n *\n * @type {Array}\n */\n this.map = [];\n }\n\n /**\n * Create an edit: a remove and/or add at a certain place.\n *\n * @param {number} index\n * @param {number} remove\n * @param {Array} add\n * @returns {undefined}\n */\n add(index, remove, add) {\n addImplementation(this, index, remove, add);\n }\n\n // To do: add this when moving to `micromark`.\n // /**\n // * Create an edit: but insert `add` before existing additions.\n // *\n // * @param {number} index\n // * @param {number} remove\n // * @param {Array} add\n // * @returns {undefined}\n // */\n // addBefore(index, remove, add) {\n // addImplementation(this, index, remove, add, true)\n // }\n\n /**\n * Done, change the events.\n *\n * @param {Array} events\n * @returns {undefined}\n */\n consume(events) {\n this.map.sort(function (a, b) {\n return a[0] - b[0];\n });\n\n /* c8 ignore next 3 -- `resolve` is never called without tables, so without edits. */\n if (this.map.length === 0) {\n return;\n }\n\n // To do: if links are added in events, like they are in `markdown-rs`,\n // this is needed.\n // // Calculate jumps: where items in the current list move to.\n // /** @type {Array} */\n // const jumps = []\n // let index = 0\n // let addAcc = 0\n // let removeAcc = 0\n // while (index < this.map.length) {\n // const [at, remove, add] = this.map[index]\n // removeAcc += remove\n // addAcc += add.length\n // jumps.push([at, removeAcc, addAcc])\n // index += 1\n // }\n //\n // . shiftLinks(events, jumps)\n\n let index = this.map.length;\n /** @type {Array>} */\n const vecs = [];\n while (index > 0) {\n index -= 1;\n vecs.push(events.slice(this.map[index][0] + this.map[index][1]), this.map[index][2]);\n\n // Truncate rest.\n events.length = this.map[index][0];\n }\n vecs.push([...events]);\n events.length = 0;\n let slice = vecs.pop();\n while (slice) {\n events.push(...slice);\n slice = vecs.pop();\n }\n\n // Truncate everything.\n this.map.length = 0;\n }\n}\n\n/**\n * Create an edit.\n *\n * @param {EditMap} editMap\n * @param {number} at\n * @param {number} remove\n * @param {Array} add\n * @returns {undefined}\n */\nfunction addImplementation(editMap, at, remove, add) {\n let index = 0;\n\n /* c8 ignore next 3 -- `resolve` is never called without tables, so without edits. */\n if (remove === 0 && add.length === 0) {\n return;\n }\n while (index < editMap.map.length) {\n if (editMap.map[index][0] === at) {\n editMap.map[index][1] += remove;\n\n // To do: before not used by tables, use when moving to micromark.\n // if (before) {\n // add.push(...editMap.map[index][2])\n // editMap.map[index][2] = add\n // } else {\n editMap.map[index][2].push(...add);\n // }\n\n return;\n }\n index += 1;\n }\n editMap.map.push([at, remove, add]);\n}\n\n// /**\n// * Shift `previous` and `next` links according to `jumps`.\n// *\n// * This fixes links in case there are events removed or added between them.\n// *\n// * @param {Array} events\n// * @param {Array} jumps\n// */\n// function shiftLinks(events, jumps) {\n// let jumpIndex = 0\n// let index = 0\n// let add = 0\n// let rm = 0\n\n// while (index < events.length) {\n// const rmCurr = rm\n\n// while (jumpIndex < jumps.length && jumps[jumpIndex][0] <= index) {\n// add = jumps[jumpIndex][2]\n// rm = jumps[jumpIndex][1]\n// jumpIndex += 1\n// }\n\n// // Ignore items that will be removed.\n// if (rm > rmCurr) {\n// index += rm - rmCurr\n// } else {\n// // ?\n// // if let Some(link) = &events[index].link {\n// // if let Some(next) = link.next {\n// // events[next].link.as_mut().unwrap().previous = Some(index + add - rm);\n// // while jumpIndex < jumps.len() && jumps[jumpIndex].0 <= next {\n// // add = jumps[jumpIndex].2;\n// // rm = jumps[jumpIndex].1;\n// // jumpIndex += 1;\n// // }\n// // events[index].link.as_mut().unwrap().next = Some(next + add - rm);\n// // index = next;\n// // continue;\n// // }\n// // }\n// index += 1\n// }\n// }\n// }","/**\n * @import {Event} from 'micromark-util-types'\n */\n\n/**\n * @typedef {'center' | 'left' | 'none' | 'right'} Align\n */\n\n/**\n * Figure out the alignment of a GFM table.\n *\n * @param {Readonly>} events\n * List of events.\n * @param {number} index\n * Table enter event.\n * @returns {Array}\n * List of aligns.\n */\nexport function gfmTableAlign(events, index) {\n let inDelimiterRow = false;\n /** @type {Array} */\n const align = [];\n while (index < events.length) {\n const event = events[index];\n if (inDelimiterRow) {\n if (event[0] === 'enter') {\n // Start of alignment value: set a new column.\n // To do: `markdown-rs` uses `tableDelimiterCellValue`.\n if (event[1].type === 'tableContent') {\n align.push(events[index + 1][1].type === 'tableDelimiterMarker' ? 'left' : 'none');\n }\n }\n // Exits:\n // End of alignment value: change the column.\n // To do: `markdown-rs` uses `tableDelimiterCellValue`.\n else if (event[1].type === 'tableContent') {\n if (events[index - 1][1].type === 'tableDelimiterMarker') {\n const alignIndex = align.length - 1;\n align[alignIndex] = align[alignIndex] === 'left' ? 'center' : 'right';\n }\n }\n // Done!\n else if (event[1].type === 'tableDelimiterRow') {\n break;\n }\n } else if (event[0] === 'enter' && event[1].type === 'tableDelimiterRow') {\n inDelimiterRow = true;\n }\n index += 1;\n }\n return align;\n}","/**\n * @import {Event, Extension, Point, Resolver, State, Token, TokenizeContext, Tokenizer} from 'micromark-util-types'\n */\n\n/**\n * @typedef {[number, number, number, number]} Range\n * Cell info.\n *\n * @typedef {0 | 1 | 2 | 3} RowKind\n * Where we are: `1` for head row, `2` for delimiter row, `3` for body row.\n */\n\nimport { factorySpace } from 'micromark-factory-space';\nimport { markdownLineEnding, markdownLineEndingOrSpace, markdownSpace } from 'micromark-util-character';\nimport { EditMap } from './edit-map.js';\nimport { gfmTableAlign } from './infer.js';\n\n/**\n * Create an HTML extension for `micromark` to support GitHub tables syntax.\n *\n * @returns {Extension}\n * Extension for `micromark` that can be passed in `extensions` to enable GFM\n * table syntax.\n */\nexport function gfmTable() {\n return {\n flow: {\n null: {\n name: 'table',\n tokenize: tokenizeTable,\n resolveAll: resolveTable\n }\n }\n };\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeTable(effects, ok, nok) {\n const self = this;\n let size = 0;\n let sizeB = 0;\n /** @type {boolean | undefined} */\n let seen;\n return start;\n\n /**\n * Start of a GFM table.\n *\n * If there is a valid table row or table head before, then we try to parse\n * another row.\n * Otherwise, we try to parse a head.\n *\n * ```markdown\n * > | | a |\n * ^\n * | | - |\n * > | | b |\n * ^\n * ```\n * @type {State}\n */\n function start(code) {\n let index = self.events.length - 1;\n while (index > -1) {\n const type = self.events[index][1].type;\n if (type === \"lineEnding\" ||\n // Note: markdown-rs uses `whitespace` instead of `linePrefix`\n type === \"linePrefix\") index--;else break;\n }\n const tail = index > -1 ? self.events[index][1].type : null;\n const next = tail === 'tableHead' || tail === 'tableRow' ? bodyRowStart : headRowBefore;\n\n // Don’t allow lazy body rows.\n if (next === bodyRowStart && self.parser.lazy[self.now().line]) {\n return nok(code);\n }\n return next(code);\n }\n\n /**\n * Before table head row.\n *\n * ```markdown\n * > | | a |\n * ^\n * | | - |\n * | | b |\n * ```\n *\n * @type {State}\n */\n function headRowBefore(code) {\n effects.enter('tableHead');\n effects.enter('tableRow');\n return headRowStart(code);\n }\n\n /**\n * Before table head row, after whitespace.\n *\n * ```markdown\n * > | | a |\n * ^\n * | | - |\n * | | b |\n * ```\n *\n * @type {State}\n */\n function headRowStart(code) {\n if (code === 124) {\n return headRowBreak(code);\n }\n\n // To do: micromark-js should let us parse our own whitespace in extensions,\n // like `markdown-rs`:\n //\n // ```js\n // // 4+ spaces.\n // if (markdownSpace(code)) {\n // return nok(code)\n // }\n // ```\n\n seen = true;\n // Count the first character, that isn’t a pipe, double.\n sizeB += 1;\n return headRowBreak(code);\n }\n\n /**\n * At break in table head row.\n *\n * ```markdown\n * > | | a |\n * ^\n * ^\n * ^\n * | | - |\n * | | b |\n * ```\n *\n * @type {State}\n */\n function headRowBreak(code) {\n if (code === null) {\n // Note: in `markdown-rs`, we need to reset, in `micromark-js` we don‘t.\n return nok(code);\n }\n if (markdownLineEnding(code)) {\n // If anything other than one pipe (ignoring whitespace) was used, it’s fine.\n if (sizeB > 1) {\n sizeB = 0;\n // To do: check if this works.\n // Feel free to interrupt:\n self.interrupt = true;\n effects.exit('tableRow');\n effects.enter(\"lineEnding\");\n effects.consume(code);\n effects.exit(\"lineEnding\");\n return headDelimiterStart;\n }\n\n // Note: in `markdown-rs`, we need to reset, in `micromark-js` we don‘t.\n return nok(code);\n }\n if (markdownSpace(code)) {\n // To do: check if this is fine.\n // effects.attempt(State::Next(StateName::GfmTableHeadRowBreak), State::Nok)\n // State::Retry(space_or_tab(tokenizer))\n return factorySpace(effects, headRowBreak, \"whitespace\")(code);\n }\n sizeB += 1;\n if (seen) {\n seen = false;\n // Header cell count.\n size += 1;\n }\n if (code === 124) {\n effects.enter('tableCellDivider');\n effects.consume(code);\n effects.exit('tableCellDivider');\n // Whether a delimiter was seen.\n seen = true;\n return headRowBreak;\n }\n\n // Anything else is cell data.\n effects.enter(\"data\");\n return headRowData(code);\n }\n\n /**\n * In table head row data.\n *\n * ```markdown\n * > | | a |\n * ^\n * | | - |\n * | | b |\n * ```\n *\n * @type {State}\n */\n function headRowData(code) {\n if (code === null || code === 124 || markdownLineEndingOrSpace(code)) {\n effects.exit(\"data\");\n return headRowBreak(code);\n }\n effects.consume(code);\n return code === 92 ? headRowEscape : headRowData;\n }\n\n /**\n * In table head row escape.\n *\n * ```markdown\n * > | | a\\-b |\n * ^\n * | | ---- |\n * | | c |\n * ```\n *\n * @type {State}\n */\n function headRowEscape(code) {\n if (code === 92 || code === 124) {\n effects.consume(code);\n return headRowData;\n }\n return headRowData(code);\n }\n\n /**\n * Before delimiter row.\n *\n * ```markdown\n * | | a |\n * > | | - |\n * ^\n * | | b |\n * ```\n *\n * @type {State}\n */\n function headDelimiterStart(code) {\n // Reset `interrupt`.\n self.interrupt = false;\n\n // Note: in `markdown-rs`, we need to handle piercing here too.\n if (self.parser.lazy[self.now().line]) {\n return nok(code);\n }\n effects.enter('tableDelimiterRow');\n // Track if we’ve seen a `:` or `|`.\n seen = false;\n if (markdownSpace(code)) {\n return factorySpace(effects, headDelimiterBefore, \"linePrefix\", self.parser.constructs.disable.null.includes('codeIndented') ? undefined : 4)(code);\n }\n return headDelimiterBefore(code);\n }\n\n /**\n * Before delimiter row, after optional whitespace.\n *\n * Reused when a `|` is found later, to parse another cell.\n *\n * ```markdown\n * | | a |\n * > | | - |\n * ^\n * | | b |\n * ```\n *\n * @type {State}\n */\n function headDelimiterBefore(code) {\n if (code === 45 || code === 58) {\n return headDelimiterValueBefore(code);\n }\n if (code === 124) {\n seen = true;\n // If we start with a pipe, we open a cell marker.\n effects.enter('tableCellDivider');\n effects.consume(code);\n effects.exit('tableCellDivider');\n return headDelimiterCellBefore;\n }\n\n // More whitespace / empty row not allowed at start.\n return headDelimiterNok(code);\n }\n\n /**\n * After `|`, before delimiter cell.\n *\n * ```markdown\n * | | a |\n * > | | - |\n * ^\n * ```\n *\n * @type {State}\n */\n function headDelimiterCellBefore(code) {\n if (markdownSpace(code)) {\n return factorySpace(effects, headDelimiterValueBefore, \"whitespace\")(code);\n }\n return headDelimiterValueBefore(code);\n }\n\n /**\n * Before delimiter cell value.\n *\n * ```markdown\n * | | a |\n * > | | - |\n * ^\n * ```\n *\n * @type {State}\n */\n function headDelimiterValueBefore(code) {\n // Align: left.\n if (code === 58) {\n sizeB += 1;\n seen = true;\n effects.enter('tableDelimiterMarker');\n effects.consume(code);\n effects.exit('tableDelimiterMarker');\n return headDelimiterLeftAlignmentAfter;\n }\n\n // Align: none.\n if (code === 45) {\n sizeB += 1;\n // To do: seems weird that this *isn’t* left aligned, but that state is used?\n return headDelimiterLeftAlignmentAfter(code);\n }\n if (code === null || markdownLineEnding(code)) {\n return headDelimiterCellAfter(code);\n }\n return headDelimiterNok(code);\n }\n\n /**\n * After delimiter cell left alignment marker.\n *\n * ```markdown\n * | | a |\n * > | | :- |\n * ^\n * ```\n *\n * @type {State}\n */\n function headDelimiterLeftAlignmentAfter(code) {\n if (code === 45) {\n effects.enter('tableDelimiterFiller');\n return headDelimiterFiller(code);\n }\n\n // Anything else is not ok after the left-align colon.\n return headDelimiterNok(code);\n }\n\n /**\n * In delimiter cell filler.\n *\n * ```markdown\n * | | a |\n * > | | - |\n * ^\n * ```\n *\n * @type {State}\n */\n function headDelimiterFiller(code) {\n if (code === 45) {\n effects.consume(code);\n return headDelimiterFiller;\n }\n\n // Align is `center` if it was `left`, `right` otherwise.\n if (code === 58) {\n seen = true;\n effects.exit('tableDelimiterFiller');\n effects.enter('tableDelimiterMarker');\n effects.consume(code);\n effects.exit('tableDelimiterMarker');\n return headDelimiterRightAlignmentAfter;\n }\n effects.exit('tableDelimiterFiller');\n return headDelimiterRightAlignmentAfter(code);\n }\n\n /**\n * After delimiter cell right alignment marker.\n *\n * ```markdown\n * | | a |\n * > | | -: |\n * ^\n * ```\n *\n * @type {State}\n */\n function headDelimiterRightAlignmentAfter(code) {\n if (markdownSpace(code)) {\n return factorySpace(effects, headDelimiterCellAfter, \"whitespace\")(code);\n }\n return headDelimiterCellAfter(code);\n }\n\n /**\n * After delimiter cell.\n *\n * ```markdown\n * | | a |\n * > | | -: |\n * ^\n * ```\n *\n * @type {State}\n */\n function headDelimiterCellAfter(code) {\n if (code === 124) {\n return headDelimiterBefore(code);\n }\n if (code === null || markdownLineEnding(code)) {\n // Exit when:\n // * there was no `:` or `|` at all (it’s a thematic break or setext\n // underline instead)\n // * the header cell count is not the delimiter cell count\n if (!seen || size !== sizeB) {\n return headDelimiterNok(code);\n }\n\n // Note: in markdown-rs`, a reset is needed here.\n effects.exit('tableDelimiterRow');\n effects.exit('tableHead');\n // To do: in `markdown-rs`, resolvers need to be registered manually.\n // effects.register_resolver(ResolveName::GfmTable)\n return ok(code);\n }\n return headDelimiterNok(code);\n }\n\n /**\n * In delimiter row, at a disallowed byte.\n *\n * ```markdown\n * | | a |\n * > | | x |\n * ^\n * ```\n *\n * @type {State}\n */\n function headDelimiterNok(code) {\n // Note: in `markdown-rs`, we need to reset, in `micromark-js` we don‘t.\n return nok(code);\n }\n\n /**\n * Before table body row.\n *\n * ```markdown\n * | | a |\n * | | - |\n * > | | b |\n * ^\n * ```\n *\n * @type {State}\n */\n function bodyRowStart(code) {\n // Note: in `markdown-rs` we need to manually take care of a prefix,\n // but in `micromark-js` that is done for us, so if we’re here, we’re\n // never at whitespace.\n effects.enter('tableRow');\n return bodyRowBreak(code);\n }\n\n /**\n * At break in table body row.\n *\n * ```markdown\n * | | a |\n * | | - |\n * > | | b |\n * ^\n * ^\n * ^\n * ```\n *\n * @type {State}\n */\n function bodyRowBreak(code) {\n if (code === 124) {\n effects.enter('tableCellDivider');\n effects.consume(code);\n effects.exit('tableCellDivider');\n return bodyRowBreak;\n }\n if (code === null || markdownLineEnding(code)) {\n effects.exit('tableRow');\n return ok(code);\n }\n if (markdownSpace(code)) {\n return factorySpace(effects, bodyRowBreak, \"whitespace\")(code);\n }\n\n // Anything else is cell content.\n effects.enter(\"data\");\n return bodyRowData(code);\n }\n\n /**\n * In table body row data.\n *\n * ```markdown\n * | | a |\n * | | - |\n * > | | b |\n * ^\n * ```\n *\n * @type {State}\n */\n function bodyRowData(code) {\n if (code === null || code === 124 || markdownLineEndingOrSpace(code)) {\n effects.exit(\"data\");\n return bodyRowBreak(code);\n }\n effects.consume(code);\n return code === 92 ? bodyRowEscape : bodyRowData;\n }\n\n /**\n * In table body row escape.\n *\n * ```markdown\n * | | a |\n * | | ---- |\n * > | | b\\-c |\n * ^\n * ```\n *\n * @type {State}\n */\n function bodyRowEscape(code) {\n if (code === 92 || code === 124) {\n effects.consume(code);\n return bodyRowData;\n }\n return bodyRowData(code);\n }\n}\n\n/** @type {Resolver} */\n\nfunction resolveTable(events, context) {\n let index = -1;\n let inFirstCellAwaitingPipe = true;\n /** @type {RowKind} */\n let rowKind = 0;\n /** @type {Range} */\n let lastCell = [0, 0, 0, 0];\n /** @type {Range} */\n let cell = [0, 0, 0, 0];\n let afterHeadAwaitingFirstBodyRow = false;\n let lastTableEnd = 0;\n /** @type {Token | undefined} */\n let currentTable;\n /** @type {Token | undefined} */\n let currentBody;\n /** @type {Token | undefined} */\n let currentCell;\n const map = new EditMap();\n while (++index < events.length) {\n const event = events[index];\n const token = event[1];\n if (event[0] === 'enter') {\n // Start of head.\n if (token.type === 'tableHead') {\n afterHeadAwaitingFirstBodyRow = false;\n\n // Inject previous (body end and) table end.\n if (lastTableEnd !== 0) {\n flushTableEnd(map, context, lastTableEnd, currentTable, currentBody);\n currentBody = undefined;\n lastTableEnd = 0;\n }\n\n // Inject table start.\n currentTable = {\n type: 'table',\n start: Object.assign({}, token.start),\n // Note: correct end is set later.\n end: Object.assign({}, token.end)\n };\n map.add(index, 0, [['enter', currentTable, context]]);\n } else if (token.type === 'tableRow' || token.type === 'tableDelimiterRow') {\n inFirstCellAwaitingPipe = true;\n currentCell = undefined;\n lastCell = [0, 0, 0, 0];\n cell = [0, index + 1, 0, 0];\n\n // Inject table body start.\n if (afterHeadAwaitingFirstBodyRow) {\n afterHeadAwaitingFirstBodyRow = false;\n currentBody = {\n type: 'tableBody',\n start: Object.assign({}, token.start),\n // Note: correct end is set later.\n end: Object.assign({}, token.end)\n };\n map.add(index, 0, [['enter', currentBody, context]]);\n }\n rowKind = token.type === 'tableDelimiterRow' ? 2 : currentBody ? 3 : 1;\n }\n // Cell data.\n else if (rowKind && (token.type === \"data\" || token.type === 'tableDelimiterMarker' || token.type === 'tableDelimiterFiller')) {\n inFirstCellAwaitingPipe = false;\n\n // First value in cell.\n if (cell[2] === 0) {\n if (lastCell[1] !== 0) {\n cell[0] = cell[1];\n currentCell = flushCell(map, context, lastCell, rowKind, undefined, currentCell);\n lastCell = [0, 0, 0, 0];\n }\n cell[2] = index;\n }\n } else if (token.type === 'tableCellDivider') {\n if (inFirstCellAwaitingPipe) {\n inFirstCellAwaitingPipe = false;\n } else {\n if (lastCell[1] !== 0) {\n cell[0] = cell[1];\n currentCell = flushCell(map, context, lastCell, rowKind, undefined, currentCell);\n }\n lastCell = cell;\n cell = [lastCell[1], index, 0, 0];\n }\n }\n }\n // Exit events.\n else if (token.type === 'tableHead') {\n afterHeadAwaitingFirstBodyRow = true;\n lastTableEnd = index;\n } else if (token.type === 'tableRow' || token.type === 'tableDelimiterRow') {\n lastTableEnd = index;\n if (lastCell[1] !== 0) {\n cell[0] = cell[1];\n currentCell = flushCell(map, context, lastCell, rowKind, index, currentCell);\n } else if (cell[1] !== 0) {\n currentCell = flushCell(map, context, cell, rowKind, index, currentCell);\n }\n rowKind = 0;\n } else if (rowKind && (token.type === \"data\" || token.type === 'tableDelimiterMarker' || token.type === 'tableDelimiterFiller')) {\n cell[3] = index;\n }\n }\n if (lastTableEnd !== 0) {\n flushTableEnd(map, context, lastTableEnd, currentTable, currentBody);\n }\n map.consume(context.events);\n\n // To do: move this into `html`, when events are exposed there.\n // That’s what `markdown-rs` does.\n // That needs updates to `mdast-util-gfm-table`.\n index = -1;\n while (++index < context.events.length) {\n const event = context.events[index];\n if (event[0] === 'enter' && event[1].type === 'table') {\n event[1]._align = gfmTableAlign(context.events, index);\n }\n }\n return events;\n}\n\n/**\n * Generate a cell.\n *\n * @param {EditMap} map\n * @param {Readonly} context\n * @param {Readonly} range\n * @param {RowKind} rowKind\n * @param {number | undefined} rowEnd\n * @param {Token | undefined} previousCell\n * @returns {Token | undefined}\n */\n// eslint-disable-next-line max-params\nfunction flushCell(map, context, range, rowKind, rowEnd, previousCell) {\n // `markdown-rs` uses:\n // rowKind === 2 ? 'tableDelimiterCell' : 'tableCell'\n const groupName = rowKind === 1 ? 'tableHeader' : rowKind === 2 ? 'tableDelimiter' : 'tableData';\n // `markdown-rs` uses:\n // rowKind === 2 ? 'tableDelimiterCellValue' : 'tableCellText'\n const valueName = 'tableContent';\n\n // Insert an exit for the previous cell, if there is one.\n //\n // ```markdown\n // > | | aa | bb | cc |\n // ^-- exit\n // ^^^^-- this cell\n // ```\n if (range[0] !== 0) {\n previousCell.end = Object.assign({}, getPoint(context.events, range[0]));\n map.add(range[0], 0, [['exit', previousCell, context]]);\n }\n\n // Insert enter of this cell.\n //\n // ```markdown\n // > | | aa | bb | cc |\n // ^-- enter\n // ^^^^-- this cell\n // ```\n const now = getPoint(context.events, range[1]);\n previousCell = {\n type: groupName,\n start: Object.assign({}, now),\n // Note: correct end is set later.\n end: Object.assign({}, now)\n };\n map.add(range[1], 0, [['enter', previousCell, context]]);\n\n // Insert text start at first data start and end at last data end, and\n // remove events between.\n //\n // ```markdown\n // > | | aa | bb | cc |\n // ^-- enter\n // ^-- exit\n // ^^^^-- this cell\n // ```\n if (range[2] !== 0) {\n const relatedStart = getPoint(context.events, range[2]);\n const relatedEnd = getPoint(context.events, range[3]);\n /** @type {Token} */\n const valueToken = {\n type: valueName,\n start: Object.assign({}, relatedStart),\n end: Object.assign({}, relatedEnd)\n };\n map.add(range[2], 0, [['enter', valueToken, context]]);\n if (rowKind !== 2) {\n // Fix positional info on remaining events\n const start = context.events[range[2]];\n const end = context.events[range[3]];\n start[1].end = Object.assign({}, end[1].end);\n start[1].type = \"chunkText\";\n start[1].contentType = \"text\";\n\n // Remove if needed.\n if (range[3] > range[2] + 1) {\n const a = range[2] + 1;\n const b = range[3] - range[2] - 1;\n map.add(a, b, []);\n }\n }\n map.add(range[3] + 1, 0, [['exit', valueToken, context]]);\n }\n\n // Insert an exit for the last cell, if at the row end.\n //\n // ```markdown\n // > | | aa | bb | cc |\n // ^-- exit\n // ^^^^^^-- this cell (the last one contains two “between” parts)\n // ```\n if (rowEnd !== undefined) {\n previousCell.end = Object.assign({}, getPoint(context.events, rowEnd));\n map.add(rowEnd, 0, [['exit', previousCell, context]]);\n previousCell = undefined;\n }\n return previousCell;\n}\n\n/**\n * Generate table end (and table body end).\n *\n * @param {Readonly} map\n * @param {Readonly} context\n * @param {number} index\n * @param {Token} table\n * @param {Token | undefined} tableBody\n */\n// eslint-disable-next-line max-params\nfunction flushTableEnd(map, context, index, table, tableBody) {\n /** @type {Array} */\n const exits = [];\n const related = getPoint(context.events, index);\n if (tableBody) {\n tableBody.end = Object.assign({}, related);\n exits.push(['exit', tableBody, context]);\n }\n table.end = Object.assign({}, related);\n exits.push(['exit', table, context]);\n map.add(index + 1, 0, exits);\n}\n\n/**\n * @param {Readonly>} events\n * @param {number} index\n * @returns {Readonly}\n */\nfunction getPoint(events, index) {\n const event = events[index];\n const side = event[0] === 'enter' ? 'start' : 'end';\n return event[1][side];\n}","/**\n * @import {Extension, State, TokenizeContext, Tokenizer} from 'micromark-util-types'\n */\n\nimport { factorySpace } from 'micromark-factory-space';\nimport { markdownLineEnding, markdownLineEndingOrSpace, markdownSpace } from 'micromark-util-character';\nconst tasklistCheck = {\n name: 'tasklistCheck',\n tokenize: tokenizeTasklistCheck\n};\n\n/**\n * Create an HTML extension for `micromark` to support GFM task list items\n * syntax.\n *\n * @returns {Extension}\n * Extension for `micromark` that can be passed in `htmlExtensions` to\n * support GFM task list items when serializing to HTML.\n */\nexport function gfmTaskListItem() {\n return {\n text: {\n [91]: tasklistCheck\n }\n };\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeTasklistCheck(effects, ok, nok) {\n const self = this;\n return open;\n\n /**\n * At start of task list item check.\n *\n * ```markdown\n * > | * [x] y.\n * ^\n * ```\n *\n * @type {State}\n */\n function open(code) {\n if (\n // Exit if there’s stuff before.\n self.previous !== null ||\n // Exit if not in the first content that is the first child of a list\n // item.\n !self._gfmTasklistFirstContentOfListItem) {\n return nok(code);\n }\n effects.enter('taskListCheck');\n effects.enter('taskListCheckMarker');\n effects.consume(code);\n effects.exit('taskListCheckMarker');\n return inside;\n }\n\n /**\n * In task list item check.\n *\n * ```markdown\n * > | * [x] y.\n * ^\n * ```\n *\n * @type {State}\n */\n function inside(code) {\n // Currently we match how GH works in files.\n // To match how GH works in comments, use `markdownSpace` (`[\\t ]`) instead\n // of `markdownLineEndingOrSpace` (`[\\t\\n\\r ]`).\n if (markdownLineEndingOrSpace(code)) {\n effects.enter('taskListCheckValueUnchecked');\n effects.consume(code);\n effects.exit('taskListCheckValueUnchecked');\n return close;\n }\n if (code === 88 || code === 120) {\n effects.enter('taskListCheckValueChecked');\n effects.consume(code);\n effects.exit('taskListCheckValueChecked');\n return close;\n }\n return nok(code);\n }\n\n /**\n * At close of task list item check.\n *\n * ```markdown\n * > | * [x] y.\n * ^\n * ```\n *\n * @type {State}\n */\n function close(code) {\n if (code === 93) {\n effects.enter('taskListCheckMarker');\n effects.consume(code);\n effects.exit('taskListCheckMarker');\n effects.exit('taskListCheck');\n return after;\n }\n return nok(code);\n }\n\n /**\n * @type {State}\n */\n function after(code) {\n // EOL in paragraph means there must be something else after it.\n if (markdownLineEnding(code)) {\n return ok(code);\n }\n\n // Space or tab?\n // Check what comes after.\n if (markdownSpace(code)) {\n return effects.check({\n tokenize: spaceThenNonSpace\n }, ok, nok)(code);\n }\n\n // EOF, or non-whitespace, both wrong.\n return nok(code);\n }\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction spaceThenNonSpace(effects, ok, nok) {\n return factorySpace(effects, after, \"whitespace\");\n\n /**\n * After whitespace, after task list item check.\n *\n * ```markdown\n * > | * [x] y.\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n // EOF means there was nothing, so bad.\n // EOL means there’s content after it, so good.\n // Impossible to have more spaces.\n // Anything else is good.\n return code === null ? nok(code) : ok(code);\n }\n}","/// \n/// \n\n/**\n * @typedef {import('mdast').Root} Root\n * @typedef {import('mdast-util-gfm').Options} MdastOptions\n * @typedef {import('micromark-extension-gfm').Options} MicromarkOptions\n * @typedef {import('unified').Processor} Processor\n */\n\n/**\n * @typedef {MicromarkOptions & MdastOptions} Options\n * Configuration.\n */\n\nimport {gfmFromMarkdown, gfmToMarkdown} from 'mdast-util-gfm'\nimport {gfm} from 'micromark-extension-gfm'\n\n/** @type {Options} */\nconst emptyOptions = {}\n\n/**\n * Add support GFM (autolink literals, footnotes, strikethrough, tables,\n * tasklists).\n *\n * @param {Options | null | undefined} [options]\n * Configuration (optional).\n * @returns {undefined}\n * Nothing.\n */\nexport default function remarkGfm(options) {\n // @ts-expect-error: TS is wrong about `this`.\n // eslint-disable-next-line unicorn/no-this-assignment\n const self = /** @type {Processor} */ (this)\n const settings = options || emptyOptions\n const data = self.data()\n\n const micromarkExtensions =\n data.micromarkExtensions || (data.micromarkExtensions = [])\n const fromMarkdownExtensions =\n data.fromMarkdownExtensions || (data.fromMarkdownExtensions = [])\n const toMarkdownExtensions =\n data.toMarkdownExtensions || (data.toMarkdownExtensions = [])\n\n micromarkExtensions.push(gfm(settings))\n fromMarkdownExtensions.push(gfmFromMarkdown())\n toMarkdownExtensions.push(gfmToMarkdown(settings))\n}\n","/**\n * @typedef {import('micromark-extension-gfm-footnote').HtmlOptions} HtmlOptions\n * @typedef {import('micromark-extension-gfm-strikethrough').Options} Options\n * @typedef {import('micromark-util-types').Extension} Extension\n * @typedef {import('micromark-util-types').HtmlExtension} HtmlExtension\n */\n\nimport {\n combineExtensions,\n combineHtmlExtensions\n} from 'micromark-util-combine-extensions'\nimport {\n gfmAutolinkLiteral,\n gfmAutolinkLiteralHtml\n} from 'micromark-extension-gfm-autolink-literal'\nimport {gfmFootnote, gfmFootnoteHtml} from 'micromark-extension-gfm-footnote'\nimport {\n gfmStrikethrough,\n gfmStrikethroughHtml\n} from 'micromark-extension-gfm-strikethrough'\nimport {gfmTable, gfmTableHtml} from 'micromark-extension-gfm-table'\nimport {gfmTagfilterHtml} from 'micromark-extension-gfm-tagfilter'\nimport {\n gfmTaskListItem,\n gfmTaskListItemHtml\n} from 'micromark-extension-gfm-task-list-item'\n\n/**\n * Create an extension for `micromark` to enable GFM syntax.\n *\n * @param {Options | null | undefined} [options]\n * Configuration (optional).\n *\n * Passed to `micromark-extens-gfm-strikethrough`.\n * @returns {Extension}\n * Extension for `micromark` that can be passed in `extensions` to enable GFM\n * syntax.\n */\nexport function gfm(options) {\n return combineExtensions([\n gfmAutolinkLiteral(),\n gfmFootnote(),\n gfmStrikethrough(options),\n gfmTable(),\n gfmTaskListItem()\n ])\n}\n\n/**\n * Create an extension for `micromark` to support GFM when serializing to HTML.\n *\n * @param {HtmlOptions | null | undefined} [options]\n * Configuration (optional).\n *\n * Passed to `micromark-extens-gfm-footnote`.\n * @returns {HtmlExtension}\n * Extension for `micromark` that can be passed in `htmlExtensions` to\n * support GFM when serializing to HTML.\n */\nexport function gfmHtml(options) {\n return combineHtmlExtensions([\n gfmAutolinkLiteralHtml(),\n gfmFootnoteHtml(options),\n gfmStrikethroughHtml(),\n gfmTableHtml(),\n gfmTagfilterHtml(),\n gfmTaskListItemHtml()\n ])\n}\n","/**\n * @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension\n * @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension\n */\n\n/**\n * @typedef {import('mdast-util-gfm-table').Options} Options\n * Configuration.\n */\n\nimport {\n gfmAutolinkLiteralFromMarkdown,\n gfmAutolinkLiteralToMarkdown\n} from 'mdast-util-gfm-autolink-literal'\nimport {\n gfmFootnoteFromMarkdown,\n gfmFootnoteToMarkdown\n} from 'mdast-util-gfm-footnote'\nimport {\n gfmStrikethroughFromMarkdown,\n gfmStrikethroughToMarkdown\n} from 'mdast-util-gfm-strikethrough'\nimport {gfmTableFromMarkdown, gfmTableToMarkdown} from 'mdast-util-gfm-table'\nimport {\n gfmTaskListItemFromMarkdown,\n gfmTaskListItemToMarkdown\n} from 'mdast-util-gfm-task-list-item'\n\n/**\n * Create an extension for `mdast-util-from-markdown` to enable GFM (autolink\n * literals, footnotes, strikethrough, tables, tasklists).\n *\n * @returns {Array}\n * Extension for `mdast-util-from-markdown` to enable GFM (autolink literals,\n * footnotes, strikethrough, tables, tasklists).\n */\nexport function gfmFromMarkdown() {\n return [\n gfmAutolinkLiteralFromMarkdown(),\n gfmFootnoteFromMarkdown(),\n gfmStrikethroughFromMarkdown(),\n gfmTableFromMarkdown(),\n gfmTaskListItemFromMarkdown()\n ]\n}\n\n/**\n * Create an extension for `mdast-util-to-markdown` to enable GFM (autolink\n * literals, footnotes, strikethrough, tables, tasklists).\n *\n * @param {Options | null | undefined} [options]\n * Configuration.\n * @returns {ToMarkdownExtension}\n * Extension for `mdast-util-to-markdown` to enable GFM (autolink literals,\n * footnotes, strikethrough, tables, tasklists).\n */\nexport function gfmToMarkdown(options) {\n return {\n extensions: [\n gfmAutolinkLiteralToMarkdown(),\n gfmFootnoteToMarkdown(),\n gfmStrikethroughToMarkdown(),\n gfmTableToMarkdown(options),\n gfmTaskListItemToMarkdown()\n ]\n }\n}\n","import { visit } from 'unist-util-visit';\nimport type { Plugin } from 'unified';\nimport type { Root, PhrasingContent } from \"mdast\";\n\nconst alertRegex = /^\\[!(NOTE|TIP|IMPORTANT|WARNING|CAUTION)\\]/i;\nconst alertLegacyRegex = /^\\[!(NOTE|TIP|IMPORTANT|WARNING|CAUTION)(\\/.*)?\\]/i;\n\ntype Option = {\n /**\n * Use the legacy title format, which includes a slash and a title after the alert type.\n * \n * Enabling legacyTitle allows modifying the title, but this is not GitHub standard.\n */\n legacyTitle?: boolean;\n /**\n * The tag name of the alert container. default is `div`.\n * or you can use `blockquote` for semantic HTML.\n */\n tagName?: string;\n}\n\n/**\n * Alerts are a Markdown extension based on the blockquote syntax that you can use to emphasize critical information.\n * On GitHub, they are displayed with distinctive colors and icons to indicate the significance of the content.\n * https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts\n */\nexport const remarkAlert: Plugin<[Option?], Root> = ({ legacyTitle = false, tagName = \"div\" } = {}) => {\n return (tree) => {\n visit(tree, \"blockquote\", (node, index, parent) => {\n let alertType = '';\n let title = '';\n let isNext = true;\n let child = node.children.map((item) => {\n if (isNext && item.type === \"paragraph\") {\n const firstNode = item.children[0];\n const text = firstNode.type === 'text' ? firstNode.value : '';\n const reg = legacyTitle ? alertLegacyRegex : alertRegex;\n const match = text.match(reg);\n if (match) {\n isNext = false;\n alertType = match[1].toLocaleLowerCase();\n title = legacyTitle ? match[2] || alertType.toLocaleUpperCase() : alertType.toLocaleUpperCase();\n if (text.includes('\\n')) {\n item.children[0] = {\n type: 'text',\n value: text.replace(reg, '').replace(/^\\n+/, ''),\n };\n }\n\n if (!text.includes('\\n')) {\n const itemChild: Array = [];\n item.children.forEach((item, idx) => {\n if (idx == 0) return;\n if (idx == 1 && item.type === 'break') {\n return;\n }\n itemChild.push(item);\n });\n item.children = [...itemChild];\n }\n }\n }\n return item;\n })\n\n if (!!alertType) {\n node.data = {\n hName: tagName,\n hProperties: {\n class: `markdown-alert markdown-alert-${alertType}`,\n dir: 'auto'\n },\n }\n child.unshift({\n type: \"paragraph\",\n children: [\n getAlertIcon(alertType as IconType),\n {\n type: \"text\",\n value: title.replace(/^\\//, ''),\n }\n ],\n data: {\n hProperties: {\n class: \"markdown-alert-title\",\n dir: \"auto\"\n }\n }\n })\n }\n node.children = [...child];\n });\n };\n};\n\nexport function getAlertIcon(type: IconType): PhrasingContent {\n let pathD = pathData[type] ?? '';\n return {\n type: \"emphasis\",\n data: {\n hName: \"svg\",\n hProperties: {\n class: \"octicon\",\n viewBox: '0 0 16 16',\n width: '16',\n height: '16',\n ariaHidden: 'true',\n },\n },\n children: [\n {\n type: \"emphasis\",\n data: {\n hName: \"path\",\n hProperties: {\n d: pathD\n }\n },\n children: []\n }\n ]\n }\n}\n\ntype IconType = 'note' | 'tip' | 'important' | 'warning' | 'caution';\n\nconst pathData: Record = {\n note: 'M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8Zm8-6.5a6.5 6.5 0 1 0 0 13 6.5 6.5 0 0 0 0-13ZM6.5 7.75A.75.75 0 0 1 7.25 7h1a.75.75 0 0 1 .75.75v2.75h.25a.75.75 0 0 1 0 1.5h-2a.75.75 0 0 1 0-1.5h.25v-2h-.25a.75.75 0 0 1-.75-.75ZM8 6a1 1 0 1 1 0-2 1 1 0 0 1 0 2Z',\n tip: 'M8 1.5c-2.363 0-4 1.69-4 3.75 0 .984.424 1.625.984 2.304l.214.253c.223.264.47.556.673.848.284.411.537.896.621 1.49a.75.75 0 0 1-1.484.211c-.04-.282-.163-.547-.37-.847a8.456 8.456 0 0 0-.542-.68c-.084-.1-.173-.205-.268-.32C3.201 7.75 2.5 6.766 2.5 5.25 2.5 2.31 4.863 0 8 0s5.5 2.31 5.5 5.25c0 1.516-.701 2.5-1.328 3.259-.095.115-.184.22-.268.319-.207.245-.383.453-.541.681-.208.3-.33.565-.37.847a.751.751 0 0 1-1.485-.212c.084-.593.337-1.078.621-1.489.203-.292.45-.584.673-.848.075-.088.147-.173.213-.253.561-.679.985-1.32.985-2.304 0-2.06-1.637-3.75-4-3.75ZM5.75 12h4.5a.75.75 0 0 1 0 1.5h-4.5a.75.75 0 0 1 0-1.5ZM6 15.25a.75.75 0 0 1 .75-.75h2.5a.75.75 0 0 1 0 1.5h-2.5a.75.75 0 0 1-.75-.75Z',\n important:\n 'M0 1.75C0 .784.784 0 1.75 0h12.5C15.216 0 16 .784 16 1.75v9.5A1.75 1.75 0 0 1 14.25 13H8.06l-2.573 2.573A1.458 1.458 0 0 1 3 14.543V13H1.75A1.75 1.75 0 0 1 0 11.25Zm1.75-.25a.25.25 0 0 0-.25.25v9.5c0 .138.112.25.25.25h2a.75.75 0 0 1 .75.75v2.19l2.72-2.72a.749.749 0 0 1 .53-.22h6.5a.25.25 0 0 0 .25-.25v-9.5a.25.25 0 0 0-.25-.25Zm7 2.25v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 9a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z',\n warning:\n 'M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0 1 14.082 15H1.918a1.75 1.75 0 0 1-1.543-2.575Zm1.763.707a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368Zm.53 3.996v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z',\n caution:\n 'M4.47.22A.749.749 0 0 1 5 0h6c.199 0 .389.079.53.22l4.25 4.25c.141.14.22.331.22.53v6a.749.749 0 0 1-.22.53l-4.25 4.25A.749.749 0 0 1 11 16H5a.749.749 0 0 1-.53-.22L.22 11.53A.749.749 0 0 1 0 11V5c0-.199.079-.389.22-.53Zm.84 1.28L1.5 5.31v5.38l3.81 3.81h5.38l3.81-3.81V5.31L10.69 1.5ZM8 4a.75.75 0 0 1 .75.75v3.5a.75.75 0 0 1-1.5 0v-3.5A.75.75 0 0 1 8 4Zm0 8a1 1 0 1 1 0-2 1 1 0 0 1 0 2Z',\n};\n","import copyTextToClipboard from '@uiw/copy-to-clipboard';\nimport { useEffect } from 'react';\nfunction getParentElement(target) {\n if (!target) return null;\n var dom = target;\n if (dom.dataset.code && dom.classList.contains('copied')) {\n return dom;\n }\n if (dom.parentElement) {\n return getParentElement(dom.parentElement);\n }\n return null;\n}\nexport function useCopied(container) {\n var handle = event => {\n var target = getParentElement(event.target);\n if (!target) return;\n target.classList.add('active');\n copyTextToClipboard(target.dataset.code, function () {\n setTimeout(() => {\n target.classList.remove('active');\n }, 2000);\n });\n };\n useEffect(() => {\n var _container$current, _container$current2;\n (_container$current = container.current) == null || _container$current.removeEventListener('click', handle, false);\n (_container$current2 = container.current) == null || _container$current2.addEventListener('click', handle, false);\n return () => {\n var _container$current3;\n (_container$current3 = container.current) == null || _container$current3.removeEventListener('click', handle, false);\n };\n // eslint-disable-next-line react-hooks/exhaustive-deps\n }, [container]);\n}","import _extends from \"@babel/runtime/helpers/extends\";\nimport _objectWithoutPropertiesLoose from \"@babel/runtime/helpers/objectWithoutPropertiesLoose\";\nvar _excluded = [\"prefixCls\", \"className\", \"source\", \"style\", \"disableCopy\", \"skipHtml\", \"onScroll\", \"onMouseOver\", \"pluginsFilter\", \"rehypeRewrite\", \"wrapperElement\", \"warpperElement\", \"urlTransform\"];\nimport React, { useImperativeHandle } from 'react';\nimport ReactMarkdown from 'react-markdown';\nimport gfm from 'remark-gfm';\nimport raw from 'rehype-raw';\nimport { remarkAlert } from 'remark-github-blockquote-alert';\nimport { useCopied } from './plugins/useCopied';\nimport \"./styles/markdown.css\";\n\n/**\n * https://github.com/uiwjs/react-md-editor/issues/607\n */\nimport { jsx as _jsx } from \"react/jsx-runtime\";\nvar defaultUrlTransform = url => url;\nexport default /*#__PURE__*/React.forwardRef((props, ref) => {\n var {\n prefixCls = 'wmde-markdown wmde-markdown-color',\n className,\n source,\n style,\n disableCopy = false,\n skipHtml = true,\n onScroll,\n onMouseOver,\n pluginsFilter,\n wrapperElement = {},\n warpperElement = {},\n urlTransform\n } = props,\n other = _objectWithoutPropertiesLoose(props, _excluded);\n var mdp = React.useRef(null);\n useImperativeHandle(ref, () => _extends({}, props, {\n mdp\n }), [mdp, props]);\n var cls = (prefixCls || '') + \" \" + (className || '');\n useCopied(mdp);\n var rehypePlugins = [...(other.rehypePlugins || [])];\n var customProps = {\n allowElement: (element, index, parent) => {\n if (other.allowElement) {\n return other.allowElement(element, index, parent);\n }\n return /^[A-Za-z0-9]+$/.test(element.tagName);\n }\n };\n if (skipHtml) {\n rehypePlugins.push(raw);\n }\n var remarkPlugins = [remarkAlert, ...(other.remarkPlugins || []), gfm];\n var wrapperProps = _extends({}, warpperElement, wrapperElement);\n return /*#__PURE__*/_jsx(\"div\", _extends({\n ref: mdp,\n onScroll: onScroll,\n onMouseOver: onMouseOver\n }, wrapperProps, {\n className: cls,\n style: style,\n children: /*#__PURE__*/_jsx(ReactMarkdown, _extends({}, customProps, other, {\n skipHtml: skipHtml,\n urlTransform: urlTransform || defaultUrlTransform,\n rehypePlugins: pluginsFilter ? pluginsFilter('rehype', rehypePlugins) : rehypePlugins,\n remarkPlugins: pluginsFilter ? pluginsFilter('remark', remarkPlugins) : remarkPlugins,\n children: source || ''\n }))\n }));\n});","import _extends from \"@babel/runtime/helpers/extends\";\nimport { visit } from 'unist-util-visit';\nexport var reservedMeta = function reservedMeta(options) {\n if (options === void 0) {\n options = {};\n }\n return tree => {\n visit(tree, node => {\n if (node.type === 'element' && node.tagName === 'code' && node.data && node.data.meta) {\n node.properties = _extends({}, node.properties, {\n 'data-meta': String(node.data.meta)\n });\n }\n });\n };\n};","import { visit } from 'unist-util-visit';\nexport var retrieveMeta = function retrieveMeta(options) {\n if (options === void 0) {\n options = {};\n }\n return tree => {\n visit(tree, node => {\n if (node.type === 'element' && node.tagName === 'code' && node.properties && node.properties['dataMeta']) {\n if (!node.data) {\n node.data = {};\n }\n var metaString = node.properties['dataMeta'];\n if (typeof metaString === 'string') {\n node.data.meta = metaString;\n }\n delete node.properties['dataMeta'];\n }\n });\n };\n};","// This module is generated by `script/`.\n/* eslint-disable no-control-regex, no-misleading-character-class, no-useless-escape */\nexport const regex = 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{ regex } from './regex.js'\n\nconst own = Object.hasOwnProperty\n\n/**\n * Slugger.\n */\nexport default class BananaSlug {\n /**\n * Create a new slug class.\n */\n constructor () {\n /** @type {Record} */\n // eslint-disable-next-line no-unused-expressions\n this.occurrences\n\n this.reset()\n }\n\n /**\n * Generate a unique slug.\n *\n * Tracks previously generated slugs: repeated calls with the same value\n * will result in different slugs.\n * Use the `slug` function to get same slugs.\n *\n * @param {string} value\n * String of text to slugify\n * @param {boolean} [maintainCase=false]\n * Keep the current case, otherwise make all lowercase\n * @return {string}\n * A unique slug string\n */\n slug (value, maintainCase) {\n const self = this\n let result = slug(value, maintainCase === true)\n const originalSlug = result\n\n while (own.call(self.occurrences, result)) {\n self.occurrences[originalSlug]++\n result = originalSlug + '-' + self.occurrences[originalSlug]\n }\n\n self.occurrences[result] = 0\n\n return result\n }\n\n /**\n * Reset - Forget all previous slugs\n *\n * @return void\n */\n reset () {\n this.occurrences = Object.create(null)\n }\n}\n\n/**\n * Generate a slug.\n *\n * Does not track previously generated slugs: repeated calls with the same value\n * will result in the exact same slug.\n * Use the `GithubSlugger` class to get unique slugs.\n *\n * @param {string} value\n * String of text to slugify\n * @param {boolean} [maintainCase=false]\n * Keep the current case, otherwise make all lowercase\n * @return {string}\n * A unique slug string\n */\nexport function slug (value, maintainCase) {\n if (typeof value !== 'string') return ''\n if (!maintainCase) value = value.toLowerCase()\n return value.replace(regex, '').replace(/ /g, '-')\n}\n","/**\n * @typedef {import('hast').Nodes} Nodes\n */\n\n/**\n * Get the rank (`1` to `6`) of headings (`h1` to `h6`).\n *\n * @param {Nodes} node\n * Node to check.\n * @returns {number | undefined}\n * Rank of the heading or `undefined` if not a heading.\n */\nexport function headingRank(node) {\n const name = node.type === 'element' ? node.tagName.toLowerCase() : ''\n const code =\n name.length === 2 && name.charCodeAt(0) === 104 /* `h` */\n ? name.charCodeAt(1)\n : 0\n return code > 48 /* `0` */ && code < 55 /* `7` */\n ? code - 48 /* `0` */\n : undefined\n}\n","/**\n * @typedef {import('hast').Root} Root\n */\n\n/**\n * @typedef Options\n * Configuration (optional).\n * @property {string} [prefix='']\n * Prefix to add in front of `id`s (default: `''`).\n */\n\nimport GithubSlugger from 'github-slugger'\nimport {headingRank} from 'hast-util-heading-rank'\nimport {toString} from 'hast-util-to-string'\nimport {visit} from 'unist-util-visit'\n\n/** @type {Options} */\nconst emptyOptions = {}\nconst slugs = new GithubSlugger()\n\n/**\n * Add `id`s to headings.\n *\n * @param {Options | null | undefined} [options]\n * Configuration (optional).\n * @returns\n * Transform.\n */\nexport default function rehypeSlug(options) {\n const settings = options || emptyOptions\n const prefix = settings.prefix || ''\n\n /**\n * @param {Root} tree\n * Tree.\n * @returns {undefined}\n * Nothing.\n */\n return function (tree) {\n slugs.reset()\n\n visit(tree, 'element', function (node) {\n if (headingRank(node) && !node.properties.id) {\n node.properties.id = prefix + slugs.slug(toString(node))\n }\n })\n }\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Parents} Parents\n */\n\n/**\n * @template Fn\n * @template Fallback\n * @typedef {Fn extends (value: any) => value is infer Thing ? Thing : Fallback} Predicate\n */\n\n/**\n * @callback Check\n * Check that an arbitrary value is an element.\n * @param {unknown} this\n * Context object (`this`) to call `test` with\n * @param {unknown} [element]\n * Anything (typically a node).\n * @param {number | null | undefined} [index]\n * Position of `element` in its parent.\n * @param {Parents | null | undefined} [parent]\n * Parent of `element`.\n * @returns {boolean}\n * Whether this is an element and passes a test.\n *\n * @typedef {Array | TestFunction | string | null | undefined} Test\n * Check for an arbitrary element.\n *\n * * when `string`, checks that the element has that tag name\n * * when `function`, see `TestFunction`\n * * when `Array`, checks if one of the subtests pass\n *\n * @callback TestFunction\n * Check if an element passes a test.\n * @param {unknown} this\n * The given context.\n * @param {Element} element\n * An element.\n * @param {number | undefined} [index]\n * Position of `element` in its parent.\n * @param {Parents | undefined} [parent]\n * Parent of `element`.\n * @returns {boolean | undefined | void}\n * Whether this element passes the test.\n *\n * Note: `void` is included until TS sees no return as `undefined`.\n */\n\n/**\n * Check if `element` is an `Element` and whether it passes the given test.\n *\n * @param element\n * Thing to check, typically `element`.\n * @param test\n * Check for a specific element.\n * @param index\n * Position of `element` in its parent.\n * @param parent\n * Parent of `element`.\n * @param context\n * Context object (`this`) to call `test` with.\n * @returns\n * Whether `element` is an `Element` and passes a test.\n * @throws\n * When an incorrect `test`, `index`, or `parent` is given; there is no error\n * thrown when `element` is not a node or not an element.\n */\nexport const isElement =\n // Note: overloads in JSDoc can’t yet use different `@template`s.\n /**\n * @type {(\n * ((element: unknown, test: Condition, index?: number | null | undefined, parent?: Parents | null | undefined, context?: unknown) => element is Element & Predicate) &\n * ((element: unknown, test: Condition, index?: number | null | undefined, parent?: Parents | null | undefined, context?: unknown) => element is Element & {tagName: Condition}) &\n * ((element?: null | undefined) => false) &\n * ((element: unknown, test?: null | undefined, index?: number | null | undefined, parent?: Parents | null | undefined, context?: unknown) => element is Element) &\n * ((element: unknown, test?: Test, index?: number | null | undefined, parent?: Parents | null | undefined, context?: unknown) => boolean)\n * )}\n */\n (\n /**\n * @param {unknown} [element]\n * @param {Test | undefined} [test]\n * @param {number | null | undefined} [index]\n * @param {Parents | null | undefined} [parent]\n * @param {unknown} [context]\n * @returns {boolean}\n */\n // eslint-disable-next-line max-params\n function (element, test, index, parent, context) {\n const check = convertElement(test)\n\n if (\n index !== null &&\n index !== undefined &&\n (typeof index !== 'number' ||\n index < 0 ||\n index === Number.POSITIVE_INFINITY)\n ) {\n throw new Error('Expected positive finite `index`')\n }\n\n if (\n parent !== null &&\n parent !== undefined &&\n (!parent.type || !parent.children)\n ) {\n throw new Error('Expected valid `parent`')\n }\n\n if (\n (index === null || index === undefined) !==\n (parent === null || parent === undefined)\n ) {\n throw new Error('Expected both `index` and `parent`')\n }\n\n return looksLikeAnElement(element)\n ? check.call(context, element, index, parent)\n : false\n }\n )\n\n/**\n * Generate a check from a test.\n *\n * Useful if you’re going to test many nodes, for example when creating a\n * utility where something else passes a compatible test.\n *\n * The created function is a bit faster because it expects valid input only:\n * an `element`, `index`, and `parent`.\n *\n * @param test\n * A test for a specific element.\n * @returns\n * A check.\n */\nexport const convertElement =\n // Note: overloads in JSDoc can’t yet use different `@template`s.\n /**\n * @type {(\n * ((test: Condition) => (element: unknown, index?: number | null | undefined, parent?: Parents | null | undefined, context?: unknown) => element is Element & Predicate) &\n * ((test: Condition) => (element: unknown, index?: number | null | undefined, parent?: Parents | null | undefined, context?: unknown) => element is Element & {tagName: Condition}) &\n * ((test?: null | undefined) => (element?: unknown, index?: number | null | undefined, parent?: Parents | null | undefined, context?: unknown) => element is Element) &\n * ((test?: Test) => Check)\n * )}\n */\n (\n /**\n * @param {Test | null | undefined} [test]\n * @returns {Check}\n */\n function (test) {\n if (test === null || test === undefined) {\n return element\n }\n\n if (typeof test === 'string') {\n return tagNameFactory(test)\n }\n\n // Assume array.\n if (typeof test === 'object') {\n return anyFactory(test)\n }\n\n if (typeof test === 'function') {\n return castFactory(test)\n }\n\n throw new Error('Expected function, string, or array as `test`')\n }\n )\n\n/**\n * Handle multiple tests.\n *\n * @param {Array} tests\n * @returns {Check}\n */\nfunction anyFactory(tests) {\n /** @type {Array} */\n const checks = []\n let index = -1\n\n while (++index < tests.length) {\n checks[index] = convertElement(tests[index])\n }\n\n return castFactory(any)\n\n /**\n * @this {unknown}\n * @type {TestFunction}\n */\n function any(...parameters) {\n let index = -1\n\n while (++index < checks.length) {\n if (checks[index].apply(this, parameters)) return true\n }\n\n return false\n }\n}\n\n/**\n * Turn a string into a test for an element with a certain type.\n *\n * @param {string} check\n * @returns {Check}\n */\nfunction tagNameFactory(check) {\n return castFactory(tagName)\n\n /**\n * @param {Element} element\n * @returns {boolean}\n */\n function tagName(element) {\n return element.tagName === check\n }\n}\n\n/**\n * Turn a custom test into a test for an element that passes that test.\n *\n * @param {TestFunction} testFunction\n * @returns {Check}\n */\nfunction castFactory(testFunction) {\n return check\n\n /**\n * @this {unknown}\n * @type {Check}\n */\n function check(value, index, parent) {\n return Boolean(\n looksLikeAnElement(value) &&\n testFunction.call(\n this,\n value,\n typeof index === 'number' ? index : undefined,\n parent || undefined\n )\n )\n }\n}\n\n/**\n * Make sure something is an element.\n *\n * @param {unknown} element\n * @returns {element is Element}\n */\nfunction element(element) {\n return Boolean(\n element &&\n typeof element === 'object' &&\n 'type' in element &&\n element.type === 'element' &&\n 'tagName' in element &&\n typeof element.tagName === 'string'\n )\n}\n\n/**\n * @param {unknown} value\n * @returns {value is Element}\n */\nfunction looksLikeAnElement(value) {\n return (\n value !== null &&\n typeof value === 'object' &&\n 'type' in value &&\n 'tagName' in value\n )\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementContent} ElementContent\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('hast').Root} Root\n *\n * @typedef {import('hast-util-is-element').Test} Test\n */\n\n/**\n * @typedef {'after' | 'append' | 'before' | 'prepend' | 'wrap'} Behavior\n * Behavior.\n *\n * @callback Build\n * Generate content.\n * @param {Readonly} element\n * Current heading.\n * @returns {Array | ElementContent}\n * Content.\n *\n * @callback BuildProperties\n * Generate properties.\n * @param {Readonly} element\n * Current heading.\n * @returns {Properties}\n * Properties.\n *\n * @typedef Options\n * Configuration.\n * @property {Behavior | null | undefined} [behavior='prepend']\n * How to create links (default: `'prepend'`).\n * @property {Readonly | ReadonlyArray | Build | null | undefined} [content]\n * Content to insert in the link (default: if `'wrap'` then `undefined`,\n * otherwise ``);\n * if `behavior` is `'wrap'` and `Build` is passed, its result replaces the\n * existing content, otherwise the content is added after existing content.\n * @property {Readonly | ReadonlyArray | Build | null | undefined} [group]\n * Content to wrap the heading and link with, if `behavior` is `'after'` or\n * `'before'` (optional).\n * @property {Readonly | BuildProperties | null | undefined} [headingProperties]\n * Extra properties to set on the heading (optional).\n * @property {Readonly | BuildProperties | null | undefined} [properties]\n * Extra properties to set on the link when injecting (default:\n * `{ariaHidden: true, tabIndex: -1}` if `'append'` or `'prepend'`, otherwise\n * `undefined`).\n * @property {Test | null | undefined} [test]\n * Extra test for which headings are linked (optional).\n */\n\n/**\n * @template T\n * Kind.\n * @typedef {(\n * T extends Record\n * ? {-readonly [k in keyof T]: Cloneable}\n * : T\n * )} Cloneable\n * Deep clone.\n *\n * See: \n */\n\nimport structuredClone from '@ungap/structured-clone'\nimport {headingRank} from 'hast-util-heading-rank'\nimport {convertElement} from 'hast-util-is-element'\nimport {SKIP, visit} from 'unist-util-visit'\n\n/** @type {Element} */\nconst contentDefaults = {\n type: 'element',\n tagName: 'span',\n properties: {className: ['icon', 'icon-link']},\n children: []\n}\n\n/** @type {Options} */\nconst emptyOptions = {}\n\n/**\n * Add links from headings back to themselves.\n *\n * ###### Notes\n *\n * This plugin only applies to headings with `id`s.\n * Use `rehype-slug` to generate `id`s for headings that don’t have them.\n *\n * Several behaviors are supported:\n *\n * * `'prepend'` (default) — inject link before the heading text\n * * `'append'` — inject link after the heading text\n * * `'wrap'` — wrap the whole heading text with the link\n * * `'before'` — insert link before the heading\n * * `'after'` — insert link after the heading\n *\n * @param {Readonly | null | undefined} [options]\n * Configuration (optional).\n * @returns\n * Transform.\n */\nexport default function rehypeAutolinkHeadings(options) {\n const settings = options || emptyOptions\n let properties = settings.properties\n const headingOroperties = settings.headingProperties\n const behavior = settings.behavior || 'prepend'\n const content = settings.content\n const group = settings.group\n const is = convertElement(settings.test)\n\n /** @type {import('unist-util-visit').Visitor} */\n let method\n\n if (behavior === 'after' || behavior === 'before') {\n method = around\n } else if (behavior === 'wrap') {\n method = wrap\n } else {\n method = inject\n\n if (!properties) {\n properties = {ariaHidden: 'true', tabIndex: -1}\n }\n }\n\n /**\n * Transform.\n *\n * @param {Root} tree\n * Tree.\n * @returns {undefined}\n * Nothing.\n */\n return function (tree) {\n visit(tree, 'element', function (node, index, parent) {\n if (headingRank(node) && node.properties.id && is(node, index, parent)) {\n Object.assign(node.properties, toProperties(headingOroperties, node))\n return method(node, index, parent)\n }\n })\n }\n\n /** @type {import('unist-util-visit').Visitor} */\n function inject(node) {\n const children = toChildren(content || contentDefaults, node)\n node.children[behavior === 'prepend' ? 'unshift' : 'push'](\n create(node, toProperties(properties, node), children)\n )\n\n return [SKIP]\n }\n\n /** @type {import('unist-util-visit').Visitor} */\n function around(node, index, parent) {\n /* c8 ignore next -- uncommon */\n if (typeof index !== 'number' || !parent) return\n\n const children = toChildren(content || contentDefaults, node)\n const link = create(node, toProperties(properties, node), children)\n let nodes = behavior === 'before' ? [link, node] : [node, link]\n\n if (group) {\n const grouping = toNode(group, node)\n\n if (grouping && !Array.isArray(grouping) && grouping.type === 'element') {\n grouping.children = nodes\n nodes = [grouping]\n }\n }\n\n parent.children.splice(index, 1, ...nodes)\n\n return [SKIP, index + nodes.length]\n }\n\n /** @type {import('unist-util-visit').Visitor} */\n function wrap(node) {\n /** @type {Array} */\n let before = node.children\n /** @type {Array | ElementContent} */\n let after = []\n\n if (typeof content === 'function') {\n before = []\n after = content(node)\n } else if (content) {\n after = clone(content)\n }\n\n node.children = [\n create(\n node,\n toProperties(properties, node),\n Array.isArray(after) ? [...before, ...after] : [...before, after]\n )\n ]\n\n return [SKIP]\n }\n}\n\n/**\n * Deep clone.\n *\n * @template T\n * Kind.\n * @param {T} thing\n * Thing to clone.\n * @returns {Cloneable}\n * Cloned thing.\n */\nfunction clone(thing) {\n // Cast because it’s mutable now.\n return /** @type {Cloneable} */ (structuredClone(thing))\n}\n\n/**\n * Create an `a`.\n *\n * @param {Readonly} node\n * Related heading.\n * @param {Properties | undefined} properties\n * Properties to set on the link.\n * @param {Array} children\n * Content.\n * @returns {Element}\n * Link.\n */\nfunction create(node, properties, children) {\n return {\n type: 'element',\n tagName: 'a',\n properties: {...properties, href: '#' + node.properties.id},\n children\n }\n}\n\n/**\n * Turn into children.\n *\n * @param {Readonly | ReadonlyArray | Build} value\n * Content.\n * @param {Readonly} node\n * Related heading.\n * @returns {Array}\n * Children.\n */\nfunction toChildren(value, node) {\n const result = toNode(value, node)\n return Array.isArray(result) ? result : [result]\n}\n\n/**\n * Turn into a node.\n *\n * @param {Readonly | ReadonlyArray | Build} value\n * Content.\n * @param {Readonly} node\n * Related heading.\n * @returns {Array | ElementContent}\n * Node.\n */\nfunction toNode(value, node) {\n if (typeof value === 'function') return value(node)\n return clone(value)\n}\n\n/**\n * Turn into properties.\n *\n * @param {Readonly | BuildProperties | null | undefined} value\n * Properties.\n * @param {Readonly} node\n * Related heading.\n * @returns {Properties}\n * Properties.\n */\nfunction toProperties(value, node) {\n if (typeof value === 'function') return value(node)\n return value ? clone(value) : {}\n}\n","import type { Plugin, Pluggable } from 'unified';\nimport type { Root, RootContent, Literal } from 'hast';\nimport { visit } from 'unist-util-visit';\n\n/**\n * Raw string of HTML embedded into HTML AST.\n */\nexport interface Raw extends Literal {\n /**\n * Node type.\n */\n type: 'raw'\n}\n\n// Register nodes in content.\ndeclare module 'hast' {\n interface RootContentMap {\n /**\n * Raw string of HTML embedded into HTML AST.\n */\n raw: Raw\n }\n interface ElementContentMap {\n /**\n * Raw string of HTML embedded into HTML AST.\n */\n raw: Raw\n }\n}\n\n\nexport type RehypeIgnoreOptions = {\n /**\n * Character to use for opening delimiter, by default `rehype:ignore:start`\n */\n openDelimiter?: string;\n /**\n * Character to use for closing delimiter, by default `rehype:ignore:end`\n */\n closeDelimiter?: string;\n}\n\nconst rehypeIgnore: Plugin<[RehypeIgnoreOptions?], Root> = (options = {}) => {\n const { openDelimiter = 'rehype:ignore:start', closeDelimiter = 'rehype:ignore:end' } = options;\n return (tree) => {\n visit(tree, (node: Root | RootContent, index, parent) => {\n if (node.type === 'element' || node.type === 'root') {\n // const start = node.children.findIndex((item) => item.type === 'comment' && item.value === openDelimiter);\n // const end = node.children.findIndex((item) => item.type === 'comment' && item.value === closeDelimiter);\n // if (start > -1 && end > -1) {\n // node.children = node.children.filter((_, idx) => idx < start || idx > end);\n // }\n let start = false;\n node.children = node.children.filter((item) => {\n if (item.type === 'raw' || item.type === 'comment') {\n let str = (item.value || '').trim();\n str = str.replace(/^/, '$1')\n if (str === openDelimiter) {\n start = true;\n return false;\n }\n if (str === closeDelimiter) {\n start = false;\n return false;\n }\n }\n \n return !start;\n })\n }\n });\n }\n}\n\nexport default rehypeIgnore;\n","export var octiconLink = {\n type: 'element',\n tagName: 'svg',\n properties: {\n className: 'octicon octicon-link',\n viewBox: '0 0 16 16',\n version: '1.1',\n width: '16',\n height: '16',\n ariaHidden: 'true'\n },\n children: [{\n type: 'element',\n tagName: 'path',\n children: [],\n properties: {\n fillRule: 'evenodd',\n d: 'M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'\n }\n }]\n};","import _extends from \"@babel/runtime/helpers/extends\";\nimport slug from 'rehype-slug';\nimport headings from 'rehype-autolink-headings';\nimport rehypeIgnore from 'rehype-ignore';\nimport { getCodeString } from 'rehype-rewrite';\nimport { octiconLink } from './nodes/octiconLink';\nimport { copyElement } from './nodes/copy';\nexport var rehypeRewriteHandle = (disableCopy, rewrite) => (node, index, parent) => {\n if (node.type === 'element' && parent && parent.type === 'root' && /h(1|2|3|4|5|6)/.test(node.tagName)) {\n var child = node.children && node.children[0];\n if (child && child.properties && child.properties.ariaHidden === 'true') {\n child.properties = _extends({\n class: 'anchor'\n }, child.properties);\n child.children = [octiconLink];\n }\n }\n if (node.type === 'element' && node.tagName === 'pre' && !disableCopy) {\n var code = getCodeString(node.children);\n node.children.push(copyElement(code));\n }\n rewrite && rewrite(node, index === null ? undefined : index, parent === null ? undefined : parent);\n};\nexport var defaultRehypePlugins = [slug, headings, rehypeIgnore];","import _extends from \"@babel/runtime/helpers/extends\";\nimport React from 'react';\nimport rehypePrism from 'rehype-prism-plus';\nimport rehypeRewrite from 'rehype-rewrite';\nimport rehypeAttrs from 'rehype-attr';\nimport rehypeRaw from 'rehype-raw';\nimport MarkdownPreview from './preview';\nimport { reservedMeta } from './plugins/reservedMeta';\nimport { retrieveMeta } from './plugins/retrieveMeta';\nimport { rehypeRewriteHandle, defaultRehypePlugins } from './rehypePlugins';\nimport { jsx as _jsx } from \"react/jsx-runtime\";\nexport * from './Props';\nexport default /*#__PURE__*/React.forwardRef((props, ref) => {\n var _props$disableCopy;\n var rehypePlugins = [reservedMeta, rehypeRaw, retrieveMeta, ...defaultRehypePlugins, [rehypeRewrite, {\n rewrite: rehypeRewriteHandle((_props$disableCopy = props.disableCopy) != null ? _props$disableCopy : false, props.rehypeRewrite)\n }], [rehypeAttrs, {\n properties: 'attr'\n }], ...(props.rehypePlugins || []), [rehypePrism, {\n ignoreMissing: true\n }]];\n return /*#__PURE__*/_jsx(MarkdownPreview, _extends({}, props, {\n rehypePlugins: rehypePlugins,\n ref: ref\n }));\n});","export function copyElement(str) {\n if (str === void 0) {\n str = '';\n }\n return {\n type: 'element',\n tagName: 'div',\n properties: {\n class: 'copied',\n 'data-code': str\n },\n children: [{\n type: 'element',\n tagName: 'svg',\n properties: {\n className: 'octicon-copy',\n ariaHidden: 'true',\n viewBox: '0 0 16 16',\n fill: 'currentColor',\n height: 12,\n width: 12\n },\n children: [{\n type: 'element',\n tagName: 'path',\n properties: {\n fillRule: 'evenodd',\n d: 'M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 010 1.5h-1.5a.25.25 0 00-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 00.25-.25v-1.5a.75.75 0 011.5 0v1.5A1.75 1.75 0 019.25 16h-7.5A1.75 1.75 0 010 14.25v-7.5z'\n },\n children: []\n }, {\n type: 'element',\n tagName: 'path',\n properties: {\n fillRule: 'evenodd',\n d: 'M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0114.25 11h-7.5A1.75 1.75 0 015 9.25v-7.5zm1.75-.25a.25.25 0 00-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 00.25-.25v-7.5a.25.25 0 00-.25-.25h-7.5z'\n },\n children: []\n }]\n }, {\n type: 'element',\n tagName: 'svg',\n properties: {\n className: 'octicon-check',\n ariaHidden: 'true',\n viewBox: '0 0 16 16',\n fill: 'currentColor',\n height: 12,\n width: 12\n },\n children: [{\n type: 'element',\n tagName: 'path',\n properties: {\n fillRule: 'evenodd',\n d: 'M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z'\n },\n children: []\n }]\n }]\n };\n}","import _extends from \"@babel/runtime/helpers/extends\";\nimport _objectWithoutPropertiesLoose from \"@babel/runtime/helpers/objectWithoutPropertiesLoose\";\nvar _excluded = [\"prefixCls\", \"className\", \"style\", \"keyCode\", \"onMouseDown\", \"onMouseUp\"];\nimport React from 'react';\nimport \"./style/index.css\";\nimport { jsx as _jsx } from \"react/jsx-runtime\";\nvar keyCodeData = [{\n keycode: 27,\n name: ['esc']\n}, {\n keycode: 112,\n name: ['F1']\n}, {\n keycode: 113,\n name: ['F2']\n}, {\n keycode: 114,\n name: ['F3']\n}, {\n keycode: 115,\n name: ['F4']\n}, {\n keycode: 116,\n name: ['F5']\n}, {\n keycode: 117,\n name: ['F6']\n}, {\n keycode: 118,\n name: ['F7']\n}, {\n keycode: 119,\n name: ['F8']\n}, {\n keycode: 120,\n name: ['F9']\n}, {\n keycode: 121,\n name: ['F10']\n}, {\n keycode: 122,\n name: ['F11']\n}, {\n keycode: 123,\n name: ['F12']\n}, {\n keycode: -1,\n name: ['〇']\n}, {\n keycode: 192,\n name: ['~', '`']\n}, {\n keycode: 49,\n name: ['!', '1']\n}, {\n keycode: 50,\n name: ['@', '2']\n}, {\n keycode: 51,\n name: ['#', '3']\n}, {\n keycode: 52,\n name: ['$', '4']\n}, {\n keycode: 53,\n name: ['%', '5']\n}, {\n keycode: 54,\n name: ['^', '6']\n}, {\n keycode: 55,\n name: ['&', '7']\n}, {\n keycode: 56,\n name: ['*', '8']\n}, {\n keycode: 57,\n name: ['(', '9']\n}, {\n keycode: 48,\n name: [')', '0']\n}, {\n keycode: 189,\n name: ['_', '-']\n}, {\n keycode: 187,\n name: ['+', ': ']\n}, {\n keycode: 8,\n name: ['delete']\n}, {\n keycode: 9,\n name: ['tab']\n}, {\n keycode: 81,\n name: ['Q']\n}, {\n keycode: 87,\n name: ['W']\n}, {\n keycode: 69,\n name: ['E']\n}, {\n keycode: 82,\n name: ['R']\n}, {\n keycode: 84,\n name: ['T']\n}, {\n keycode: 89,\n name: ['Y']\n}, {\n keycode: 85,\n name: ['U']\n}, {\n keycode: 73,\n name: ['I']\n}, {\n keycode: 79,\n name: ['O']\n}, {\n keycode: 80,\n name: ['P']\n}, {\n keycode: 219,\n name: ['{', '[']\n}, {\n keycode: 221,\n name: ['}', ']']\n}, {\n keycode: 220,\n name: ['|', '\\\\']\n}, {\n keycode: 20,\n name: ['', 'CapsLock']\n}, {\n keycode: 65,\n name: ['A']\n}, {\n keycode: 83,\n name: ['S']\n}, {\n keycode: 68,\n name: ['D']\n}, {\n keycode: 70,\n name: ['F']\n}, {\n keycode: 71,\n name: ['G']\n}, {\n keycode: 72,\n name: ['H']\n}, {\n keycode: 74,\n name: ['J']\n}, {\n keycode: 75,\n name: ['K']\n}, {\n keycode: 76,\n name: ['L']\n}, {\n keycode: 186,\n name: [':', ';']\n}, {\n keycode: 222,\n name: ['\"', \"'\"]\n}, {\n keycode: 13,\n name: ['enter', 'return']\n}, {\n keycode: 16,\n name: ['⇧']\n}, {\n keycode: 90,\n name: ['Z']\n}, {\n keycode: 88,\n name: ['X']\n}, {\n keycode: 67,\n name: ['C']\n}, {\n keycode: 86,\n name: ['V']\n}, {\n keycode: 66,\n name: ['B']\n}, {\n keycode: 78,\n name: ['N']\n}, {\n keycode: 77,\n name: ['M']\n}, {\n keycode: 188,\n name: ['<', ',']\n}, {\n keycode: 190,\n name: ['>', '.']\n}, {\n keycode: 191,\n name: ['?', '/']\n}, {\n keycode: 16,\n name: ['⇧']\n}, {\n keycode: -1,\n name: ['fn']\n}, {\n keycode: 17,\n name: ['control']\n}, {\n keycode: 18,\n name: ['alt', 'option']\n}, {\n keycode: 91,\n name: ['command']\n}, {\n keycode: 32,\n name: ['']\n}, {\n keycode: 91,\n name: ['command']\n}, {\n keycode: 18,\n name: ['alt', 'option']\n}, {\n keycode: 37,\n name: ['◀']\n}, {\n keycode: 38,\n name: ['▲']\n}, {\n keycode: 39,\n name: ['▶']\n}, {\n keycode: 40,\n name: ['▼']\n}];\nexport default function MacKeyBoard(_ref) {\n var {\n prefixCls = 'w-mac-keyboard',\n className,\n style,\n keyCode = [],\n onMouseDown: _onMouseDown,\n onMouseUp: _onMouseUp\n } = _ref,\n props = _objectWithoutPropertiesLoose(_ref, _excluded);\n return /*#__PURE__*/_jsx(\"div\", {\n className: (prefixCls || '') + \" \" + (className || ''),\n style: style,\n children: /*#__PURE__*/_jsx(\"ul\", {\n children: keyCodeData.map((item, idx) => {\n var name = item.name.map((_item, _idx) => /*#__PURE__*/_jsx(\"span\", {\n children: _item\n }, \"\" + _idx));\n return /*#__PURE__*/_jsx(\"li\", _extends({\n onMouseDown: e => _onMouseDown && _onMouseDown(e, item),\n onMouseUp: e => _onMouseUp && _onMouseUp(e, item),\n className: keyCode.indexOf(item.keycode) > -1 ? 'pressed' : '',\n \"data-key\": item.keycode\n }, props, {\n children: name\n }), idx);\n })\n })\n });\n}","// extracted by mini-css-extract-plugin\nexport default {\"footer\":\"Footer_footer__6AZaJ\"};","import React from 'react';\nimport style from './Footer.module.less';\n\nexport default function Footer({ name, href, year, children }) {\n return (\n
\n {children}\n
\n Licensed under MIT. (Yes it´s free and\n open-sourced\n )\n
\n
\n ©\n {name}\n {year}\n
\n
\n );\n}\n","// extracted by mini-css-extract-plugin\nexport default {\"tools\":\"index_tools__z-HKb\",\"version\":\"index_version__-ytTx\",\"keyCodeInfo\":\"index_keyCodeInfo__cHMZ+\",\"header\":\"index_header__jwPmf\",\"title\":\"index_title__X9GPx\",\"lang\":\"index_lang__8GECo\",\"info\":\"index_info__QmMpI\",\"github\":\"index_github__CJgBc\"};","export default \"# Hotkeys\\n\\n\\n\\n[![Buy me a coffee](https://img.shields.io/badge/Buy%20me%20a%20coffee-048754?logo=buymeacoffee)](https://jaywcjlove.github.io/#/sponsor)\\n[![](https://img.shields.io/npm/dm/hotkeys-js?logo=npm)](https://www.npmjs.com/package/hotkeys-js)\\n[![](https://img.shields.io/github/stars/jaywcjlove/hotkeys-js.svg)](https://github.com/jaywcjlove/hotkeys/stargazers)\\n![no dependencies](http://jaywcjlove.github.io/sb/status/no-dependencies.svg)\\n[![GitHub Actions CI](https://github.com/jaywcjlove/hotkeys-js/actions/workflows/ci.yml/badge.svg)](https://github.com/jaywcjlove/hotkeys-js/actions/workflows/ci.yml)\\n[![Coverage Status](https://coveralls.io/repos/github/jaywcjlove/hotkeys/badge.svg?branch=master)](https://coveralls.io/github/jaywcjlove/hotkeys?branch=master)\\n[![jaywcjlove/hotkeys-js](https://jaywcjlove.github.io/sb/lang/chinese.svg)](https://github.com/jaywcjlove/hotkeys-js/blob/master/README-zh.md)\\n[![jaywcjlove/hotkeys-js](https://jaywcjlove.github.io/sb/ico/gitee.svg)](https://gitee.com/jaywcjlove/hotkeys)\\n\\nHotKeys.js is an input capture library with some very special features, it is easy to pick up and use, has a reasonable footprint ([~6kB](https://bundlephobia.com/result?p=hotkeys-js)) (gzipped: **`2.8kB`**), and has no dependencies. It should not interfere with any JavaScript libraries or frameworks. Official document [demo preview](https://jaywcjlove.github.io/hotkeys-js). [More examples](https://github.com/jaywcjlove/hotkeys-js/issues?q=label%3ADemo+).\\n\\n```bash\\n╭┈┈╮ ╭┈┈╮ ╭┈┈╮\\n┆ ├┈┈..┈┈┈┈┈.┆ └┈╮┆ ├┈┈..┈┈┈┈┈..┈┈.┈┈..┈┈┈┈┈.\\n┆ ┆┆ □ ┆┆ ┈┤┆ < ┆ -__┘┆ ┆ ┆┆__ ┈┈┤\\n╰┈┈┴┈┈╯╰┈┈┈┈┈╯╰┈┈┈┈╯╰┈┈┴┈┈╯╰┈┈┈┈┈╯╰┈┈┈ ┆╰┈┈┈┈┈╯\\n ╰┈┈┈┈┈╯\\n```\\n\\n## Usage\\n\\nYou will need `Node.js` installed on your system.\\n\\n```bash\\nnpm install hotkeys-js --save\\n```\\n\\n```js\\nimport hotkeys from 'hotkeys-js';\\n\\nhotkeys('f5', function(event, handler){\\n // Prevent the default refresh event under WINDOWS system\\n event.preventDefault()\\n alert('you pressed F5!')\\n});\\n```\\n\\nOr manually download and link **hotkeys.js** in your HTML, It can also be downloaded via [UNPKG](https://unpkg.com/hotkeys-js/dist/):\\n\\nCDN: [UNPKG](https://unpkg.com/hotkeys-js/dist/) | [jsDelivr](https://cdn.jsdelivr.net/npm/hotkeys-js@3.7.3/) | [Githack](https://raw.githack.com/jaywcjlove/hotkeys/master/dist/hotkeys.min.js) | [Statically](https://cdn.statically.io/gh/jaywcjlove/hotkeys/master/dist/hotkeys.min.js) | [bundle.run](https://bundle.run/hotkeys-js@3.7.3)\\n\\n```html\\n\\n\\n```\\n\\n### Used in React\\n\\n[react-hotkeys](https://github.com/jaywcjlove/react-hotkeys) is the React component that listen to keydown and keyup keyboard events, defining and dispatching keyboard shortcuts. Detailed use method please see its documentation [react-hotkeys](https://github.com/jaywcjlove/react-hotkeys).\\n\\n[react-hotkeys-hook](https://github.com/JohannesKlauss/react-hotkeys-hook) - React hook for using keyboard shortcuts in components. Make sure that you have at least version 16.8 of react and react-dom installed, or otherwise hooks won't work for you.\\n\\n## Browser Support\\n\\nHotkeys.js has been tested and should work in.\\n\\n```shell\\nInternet Explorer 6+\\nSafari\\nFirefox\\nChrome\\n```\\n\\n## Supported Keys\\n\\nHotKeys understands the following modifiers: `⇧`, `shift`, `option`, `⌥`, `alt`, `ctrl`, `control`, `command`, and `⌘`.\\n\\nThe following special keys can be used for shortcuts: backspace, tab, clear, enter, return, esc, escape, space, up, down, left, right, home, end, pageup, pagedown, del, delete, f1 through f19, num_0 through num_9, num_multiply, num_add, num_enter, num_subtract, num_decimal, num_divide.\\n\\n`⌘` Command()\\n`⌃` Control\\n`⌥` Option(alt)\\n`⇧` Shift\\n`⇪` Caps Lock(Capital)\\n~~`fn` Does not support fn~~\\n`↩︎` return/Enter space\\n\\n## Defining Shortcuts\\n\\nOne global method is exposed, key which defines shortcuts when called directly.\\n\\n```js\\nhotkeys([keys:], [option:[string|object|function]], [callback:])\\n```\\n\\n\\n```js\\nhotkeys('f5', function(event, handler) {\\n // Prevent the default refresh event under WINDOWS system\\n event.preventDefault();\\n alert('you pressed F5!');\\n});\\n\\n// Returning false stops the event and prevents default browser events\\n// Mac OS system defines `command + r` as a refresh shortcut\\nhotkeys('ctrl+r, command+r', function() {\\n alert('stopped reload!');\\n return false;\\n});\\n\\n// Single key\\nhotkeys('a', function(event,handler){\\n //event.srcElement: input\\n //event.target: input\\n if(event.target === \\\"input\\\"){\\n alert('you pressed a!')\\n }\\n alert('you pressed a!')\\n});\\n\\n// Key Combination\\nhotkeys('ctrl+a,ctrl+b,r,f', function (event, handler){\\n switch (handler.key) {\\n case 'ctrl+a': alert('you pressed ctrl+a!');\\n break;\\n case 'ctrl+b': alert('you pressed ctrl+b!');\\n break;\\n case 'r': alert('you pressed r!');\\n break;\\n case 'f': alert('you pressed f!');\\n break;\\n default: alert(event);\\n }\\n});\\n\\nhotkeys('ctrl+a+s', function() {\\n alert('you pressed ctrl+a+s!');\\n});\\n\\n// Using a scope\\nhotkeys('*','wcj', function(event){\\n console.log('do something', event);\\n});\\n```\\n\\n#### option\\n\\n- `scope`\\n- `element`\\n- `keyup`\\n- `keydown`\\n- `splitKey` (default is `+`)\\n- `capture`\\n- `single`\\n\\n```js\\nhotkeys('o, enter', {\\n scope: 'wcj',\\n element: document.getElementById('wrapper'),\\n}, function() {\\n console.log('do something else');\\n});\\n\\nhotkeys('ctrl-+', { splitKey: '-' }, function(e) {\\n console.log('you pressed ctrl and +');\\n});\\n\\nhotkeys('+', { splitKey: '-' }, function(e){\\n console.log('you pressed +');\\n})\\n```\\n\\n**keyup**\\n\\n**key down** and **key up** both perform callback events.\\n\\n```js\\nhotkeys('ctrl+a,alt+a+s', {keyup: true}, function(event, handler) {\\n if (event.type === 'keydown') {\\n console.log('keydown:', event.type, handler, handler.key);\\n }\\n\\n if (event.type === 'keyup') {\\n console.log('keyup:', event.type, handler, handler.key);\\n }\\n});\\n```\\n\\n## API REFERENCE\\n\\nAsterisk \\\"*\\\"\\n\\nModifier key judgments\\n\\n```js\\nhotkeys('*', function() {\\n if (hotkeys.shift) {\\n console.log('shift is pressed!');\\n }\\n\\n if (hotkeys.ctrl) {\\n console.log('ctrl is pressed!');\\n }\\n\\n if (hotkeys.alt) {\\n console.log('alt is pressed!');\\n }\\n\\n if (hotkeys.option) {\\n console.log('option is pressed!');\\n }\\n\\n if (hotkeys.control) {\\n console.log('control is pressed!');\\n }\\n\\n if (hotkeys.cmd) {\\n console.log('cmd is pressed!');\\n }\\n\\n if (hotkeys.command) {\\n console.log('command is pressed!');\\n }\\n});\\n```\\n\\n### setScope\\n\\nUse the `hotkeys.setScope` method to set scope. There can only be one active scope besides 'all'. By default 'all' is always active.\\n\\n```js\\n// Define shortcuts with a scope\\nhotkeys('ctrl+o, ctrl+alt+enter', 'issues', function() {\\n console.log('do something');\\n});\\nhotkeys('o, enter', 'files', function() {\\n console.log('do something else');\\n});\\n\\n// Set the scope (only 'all' and 'issues' shortcuts will be honored)\\nhotkeys.setScope('issues'); // default scope is 'all'\\n```\\n\\n### getScope\\n\\nUse the `hotkeys.getScope` method to get scope.\\n\\n```js\\nhotkeys.getScope();\\n```\\n\\n### deleteScope\\n\\nUse the `hotkeys.deleteScope` method to delete a scope. This will also remove all associated hotkeys with it.\\n\\n```js\\nhotkeys.deleteScope('issues');\\n```\\nYou can use second argument, if need set new scope after deleting.\\n\\n```js\\nhotkeys.deleteScope('issues', 'newScopeName');\\n```\\n\\n### unbind\\n\\nSimilar to defining shortcuts, they can be unbound using `hotkeys.unbind`.\\n\\n```js\\n// unbind 'a' handler\\nhotkeys.unbind('a');\\n\\n// Unbind a hotkeys only for a single scope\\n// If no scope is specified it defaults to the current scope (hotkeys.getScope())\\nhotkeys.unbind('o, enter', 'issues');\\nhotkeys.unbind('o, enter', 'files');\\n```\\n\\nUnbind events through functions.\\n\\n```js\\nfunction example() {\\n hotkeys('a', example);\\n hotkeys.unbind('a', example);\\n\\n hotkeys('a', 'issues', example);\\n hotkeys.unbind('a', 'issues', example);\\n}\\n```\\n\\nTo unbind everything.\\n\\n```js\\nhotkeys.unbind();\\n```\\n\\n### isPressed\\n\\nFor example, `hotkeys.isPressed(77)` is true if the `M` key is currently pressed.\\n\\n```js\\nhotkeys('a', function() {\\n console.log(hotkeys.isPressed('a')); //=> true\\n console.log(hotkeys.isPressed('A')); //=> true\\n console.log(hotkeys.isPressed(65)); //=> true\\n});\\n```\\n\\n### trigger\\n\\ntrigger shortcut key event\\n\\n```js\\nhotkeys.trigger('ctrl+o');\\nhotkeys.trigger('ctrl+o', 'scope2');\\n```\\n\\n### getPressedKeyCodes\\n\\nReturns an array of key codes currently pressed.\\n\\n```js\\nhotkeys('command+ctrl+shift+a,f', function() {\\n console.log(hotkeys.getPressedKeyCodes()); //=> [17, 65] or [70]\\n})\\n```\\n\\n### getPressedKeyString\\n\\nReturns an array of key codes currently pressed.\\n\\n```js\\nhotkeys('command+ctrl+shift+a,f', function() {\\n console.log(hotkeys.getPressedKeyString()); //=> ['⌘', '⌃', '⇧', 'A', 'F']\\n})\\n```\\n\\n### getAllKeyCodes\\n\\nGet a list of all registration codes.\\n\\n```js\\nhotkeys('command+ctrl+shift+a,f', function() {\\n console.log(hotkeys.getAllKeyCodes());\\n // [\\n // { scope: 'all', shortcut: 'command+ctrl+shift+a', mods: [91, 17, 16], keys: [91, 17, 16, 65] },\\n // { scope: 'all', shortcut: 'f', mods: [], keys: [42] }\\n // ]\\n})\\n```\\n\\n### filter\\n\\nBy default hotkeys are not enabled for `INPUT` `SELECT` `TEXTAREA` elements. `Hotkeys.filter` to return to the `true` shortcut keys set to play a role, `false` shortcut keys set up failure.\\n\\n```js\\nhotkeys.filter = function(event){\\n return true;\\n}\\n//How to add the filter to edit labels.
\\n//\\\"contentEditable\\\" Older browsers that do not support drops\\nhotkeys.filter = function(event) {\\n var target = event.target || event.srcElement;\\n var tagName = target.tagName;\\n return !(target.isContentEditable || tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA');\\n}\\n\\nhotkeys.filter = function(event){\\n var tagName = (event.target || event.srcElement).tagName;\\n hotkeys.setScope(/^(INPUT|TEXTAREA|SELECT)$/.test(tagName) ? 'input' : 'other');\\n return true;\\n}\\n```\\n\\n### noConflict\\n\\nRelinquish HotKeys’s control of the `hotkeys` variable.\\n\\n```js\\nvar k = hotkeys.noConflict();\\nk('a', function() {\\n console.log(\\\"do something\\\")\\n});\\n\\nhotkeys()\\n// -->Uncaught TypeError: hotkeys is not a function(anonymous function)\\n// @ VM2170:2InjectedScript._evaluateOn\\n// @ VM2165:883InjectedScript._evaluateAndWrap\\n// @ VM2165:816InjectedScript.evaluate @ VM2165:682\\n```\\n\\n## Development\\n\\nTo develop, Install dependencies, Get the code:\\n\\n```shell\\n$ git https://github.com/jaywcjlove/hotkeys.git\\n$ cd hotkeys # Into the directory\\n$ npm install # or yarn install\\n```\\n\\nTo develop, run the self-reloading build:\\n\\n```shell\\n$ npm run watch\\n```\\n\\nRun Document Website Environment.\\n\\n```shell\\n$ npm run doc\\n```\\n\\nTo contribute, please fork Hotkeys.js, add your patch and tests for it (in the `test/` folder) and submit a pull request.\\n\\n```shell\\n$ npm run test\\n$ npm run test:watch # Development model\\n```\\n\\n## Contributors\\n\\nAs always, thanks to our amazing contributors!\\n\\n\\n \\n\\n\\nMade with [github-action-contributors](https://github.com/jaywcjlove/github-action-contributors).\\n\\n## License\\n\\n[MIT © Kenny Wong](./LICENSE)\\n\";","/**! \n * hotkeys-js v3.13.8 \n * A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies. \n * \n * Copyright (c) 2024 kenny wong \n * https://github.com/jaywcjlove/hotkeys-js.git \n * \n * @website: https://jaywcjlove.github.io/hotkeys-js\n \n * Licensed under the MIT license \n */\n\nconst isff = typeof navigator !== 'undefined' ? navigator.userAgent.toLowerCase().indexOf('firefox') > 0 : false;\n\n// 绑定事件\nfunction addEvent(object, event, method, useCapture) {\n if (object.addEventListener) {\n object.addEventListener(event, method, useCapture);\n } else if (object.attachEvent) {\n object.attachEvent(\"on\".concat(event), method);\n }\n}\nfunction removeEvent(object, event, method, useCapture) {\n if (object.removeEventListener) {\n object.removeEventListener(event, method, useCapture);\n } else if (object.detachEvent) {\n object.detachEvent(\"on\".concat(event), method);\n }\n}\n\n// 修饰键转换成对应的键码\nfunction getMods(modifier, key) {\n const mods = key.slice(0, key.length - 1);\n for (let i = 0; i < mods.length; i++) mods[i] = modifier[mods[i].toLowerCase()];\n return mods;\n}\n\n// 处理传的key字符串转换成数组\nfunction getKeys(key) {\n if (typeof key !== 'string') key = '';\n key = key.replace(/\\s/g, ''); // 匹配任何空白字符,包括空格、制表符、换页符等等\n const keys = key.split(','); // 同时设置多个快捷键,以','分割\n let index = keys.lastIndexOf('');\n\n // 快捷键可能包含',',需特殊处理\n for (; index >= 0;) {\n keys[index - 1] += ',';\n keys.splice(index, 1);\n index = keys.lastIndexOf('');\n }\n return keys;\n}\n\n// 比较修饰键的数组\nfunction compareArray(a1, a2) {\n const arr1 = a1.length >= a2.length ? a1 : a2;\n const arr2 = a1.length >= a2.length ? a2 : a1;\n let isIndex = true;\n for (let i = 0; i < arr1.length; i++) {\n if (arr2.indexOf(arr1[i]) === -1) isIndex = false;\n }\n return isIndex;\n}\n\n// Special Keys\nconst _keyMap = {\n backspace: 8,\n '⌫': 8,\n tab: 9,\n clear: 12,\n enter: 13,\n '↩': 13,\n return: 13,\n esc: 27,\n escape: 27,\n space: 32,\n left: 37,\n up: 38,\n right: 39,\n down: 40,\n del: 46,\n delete: 46,\n ins: 45,\n insert: 45,\n home: 36,\n end: 35,\n pageup: 33,\n pagedown: 34,\n capslock: 20,\n num_0: 96,\n num_1: 97,\n num_2: 98,\n num_3: 99,\n num_4: 100,\n num_5: 101,\n num_6: 102,\n num_7: 103,\n num_8: 104,\n num_9: 105,\n num_multiply: 106,\n num_add: 107,\n num_enter: 108,\n num_subtract: 109,\n num_decimal: 110,\n num_divide: 111,\n '⇪': 20,\n ',': 188,\n '.': 190,\n '/': 191,\n '`': 192,\n '-': isff ? 173 : 189,\n '=': isff ? 61 : 187,\n ';': isff ? 59 : 186,\n '\\'': 222,\n '[': 219,\n ']': 221,\n '\\\\': 220\n};\n\n// Modifier Keys\nconst _modifier = {\n // shiftKey\n '⇧': 16,\n shift: 16,\n // altKey\n '⌥': 18,\n alt: 18,\n option: 18,\n // ctrlKey\n '⌃': 17,\n ctrl: 17,\n control: 17,\n // metaKey\n '⌘': 91,\n cmd: 91,\n command: 91\n};\nconst modifierMap = {\n 16: 'shiftKey',\n 18: 'altKey',\n 17: 'ctrlKey',\n 91: 'metaKey',\n shiftKey: 16,\n ctrlKey: 17,\n altKey: 18,\n metaKey: 91\n};\nconst _mods = {\n 16: false,\n 18: false,\n 17: false,\n 91: false\n};\nconst _handlers = {};\n\n// F1~F12 special key\nfor (let k = 1; k < 20; k++) {\n _keyMap[\"f\".concat(k)] = 111 + k;\n}\n\nlet _downKeys = []; // 记录摁下的绑定键\nlet winListendFocus = null; // window是否已经监听了focus事件\nlet _scope = 'all'; // 默认热键范围\nconst elementEventMap = new Map(); // 已绑定事件的节点记录\n\n// 返回键码\nconst code = x => _keyMap[x.toLowerCase()] || _modifier[x.toLowerCase()] || x.toUpperCase().charCodeAt(0);\nconst getKey = x => Object.keys(_keyMap).find(k => _keyMap[k] === x);\nconst getModifier = x => Object.keys(_modifier).find(k => _modifier[k] === x);\n\n// 设置获取当前范围(默认为'所有')\nfunction setScope(scope) {\n _scope = scope || 'all';\n}\n// 获取当前范围\nfunction getScope() {\n return _scope || 'all';\n}\n// 获取摁下绑定键的键值\nfunction getPressedKeyCodes() {\n return _downKeys.slice(0);\n}\nfunction getPressedKeyString() {\n return _downKeys.map(c => getKey(c) || getModifier(c) || String.fromCharCode(c));\n}\nfunction getAllKeyCodes() {\n const result = [];\n Object.keys(_handlers).forEach(k => {\n _handlers[k].forEach(_ref => {\n let {\n key,\n scope,\n mods,\n shortcut\n } = _ref;\n result.push({\n scope,\n shortcut,\n mods,\n keys: key.split('+').map(v => code(v))\n });\n });\n });\n return result;\n}\n\n// 表单控件控件判断 返回 Boolean\n// hotkey is effective only when filter return true\nfunction filter(event) {\n const target = event.target || event.srcElement;\n const {\n tagName\n } = target;\n let flag = true;\n const isInput = tagName === 'INPUT' && !['checkbox', 'radio', 'range', 'button', 'file', 'reset', 'submit', 'color'].includes(target.type);\n // ignore: isContentEditable === 'true', and