From 87e38a9677125e552d7b8707bedefe55b1fc9aec Mon Sep 17 00:00:00 2001 From: "github-actions[bot]" Date: Mon, 26 Feb 2024 11:08:26 +0000 Subject: [PATCH] v1.0.2 chore(deps): update dependency husky to v9 (#11) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> 6ed2b8a46af41c9864fb9c0d5a610b426bda088c --- asset-manifest.json | 82 +++++++++---------- badges.svg | 8 +- index.html | 2 +- lcov-report/index.html | 4 +- lcov-report/src/Block.tsx.html | 4 +- lcov-report/src/Button.tsx.html | 4 +- lcov-report/src/Container.tsx.html | 4 +- lcov-report/src/Input.tsx.html | 4 +- lcov-report/src/Render.tsx.html | 4 +- lcov-report/src/Select.tsx.html | 4 +- lcov-report/src/Textarea.tsx.html | 4 +- lcov-report/src/index.html | 4 +- lcov-report/src/index.tsx.html | 4 +- lcov-report/src/logo/Logo.tsx.html | 4 +- lcov-report/src/logo/LogoRect.tsx.html | 4 +- lcov-report/src/logo/index.html | 4 +- lcov-report/src/store.tsx.html | 4 +- static/js/115.292dbb41.chunk.js | 2 - 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Code coverage generated by istanbul - at 2023-11-28T06:21:54.545Z + at 2024-02-26T11:08:21.744Z
\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 effects.consume(code)\n // @ts-expect-error: not null.\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 * @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 * @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","/**\n * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {factorySpace} from 'micromark-factory-space'\nimport {markdownLineEnding, markdownSpace} from 'micromark-util-character'\n/** @type {Construct} */\nconst nonLazyContinuation = {\n tokenize: tokenizeNonLazyContinuation,\n partial: true\n}\n\n/** @type {Construct} */\nexport const codeFenced = {\n name: 'codeFenced',\n tokenize: tokenizeCodeFenced,\n concrete: true\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeCodeFenced(effects, ok, nok) {\n const self = this\n /** @type {Construct} */\n const closeStart = {\n tokenize: tokenizeCloseStart,\n partial: true\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 =\n tail && tail[1].type === 'linePrefix'\n ? tail[2].sliceSerialize(tail[1], true).length\n : 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)\n ? factorySpace(effects, infoBefore, 'whitespace')(code)\n : 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\n ? ok(code)\n : 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)\n ? factorySpace(\n effects,\n beforeContentChunk,\n 'linePrefix',\n initialPrefix + 1\n )(code)\n : 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 * @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)\n ? factorySpace(\n effects,\n beforeSequenceClose,\n 'linePrefix',\n self.parser.constructs.disable.null.includes('codeIndented')\n ? undefined\n : 4\n )(code)\n : 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)\n ? factorySpace(effects, sequenceCloseAfter, 'whitespace')(code)\n : 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 * @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","/**\n * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {decodeNamedCharacterReference} from 'decode-named-character-reference'\nimport {\n asciiAlphanumeric,\n asciiDigit,\n asciiHexDigit\n} from 'micromark-util-character'\n/** @type {Construct} */\nexport const characterReference = {\n name: 'characterReference',\n tokenize: tokenizeCharacterReference\n}\n\n/**\n * @this {TokenizeContext}\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 (\n test === asciiAlphanumeric &&\n !decodeNamedCharacterReference(self.sliceSerialize(token))\n ) {\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","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\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 * @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","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\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 * @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","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').Event} Event\n * @typedef {import('micromark-util-types').Resolver} Resolver\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').Token} Token\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\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 tokenize: tokenizeLabelEnd,\n resolveTo: resolveToLabelEnd,\n resolveAll: resolveAllLabelEnd\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 while (++index < events.length) {\n const token = events[index][1]\n if (\n token.type === 'labelImage' ||\n token.type === 'labelLink' ||\n token.type === 'labelEnd'\n ) {\n // Remove the marker.\n events.splice(index + 1, token.type === 'labelImage' ? 4 : 2)\n token.type = 'data'\n index++\n }\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 (\n token.type === 'link' ||\n (token.type === 'labelLink' && token._inactive)\n ) {\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 (\n events[index][0] === 'enter' &&\n (token.type === 'labelImage' || token.type === 'labelLink') &&\n !token._balanced\n ) {\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: Object.assign({}, events[open][1].start),\n end: Object.assign({}, events[events.length - 1][1].end)\n }\n const label = {\n type: 'label',\n start: Object.assign({}, events[open][1].start),\n end: Object.assign({}, events[close][1].end)\n }\n const text = {\n type: 'labelText',\n start: Object.assign({}, events[open + offset + 2][1].end),\n end: Object.assign({}, events[close - 2][1].start)\n }\n media = [\n ['enter', group, context],\n ['enter', label, context]\n ]\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(\n media,\n resolveAll(\n context.parser.constructs.insideSpan.null,\n events.slice(open + offset + 4, close - 3),\n context\n )\n )\n\n // Text close, marker close, label close.\n media = push(media, [\n ['exit', text, context],\n events[close - 2],\n events[close - 1],\n ['exit', label, context]\n ])\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 * @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 (\n (self.events[index][1].type === 'labelImage' ||\n self.events[index][1].type === 'labelLink') &&\n !self.events[index][1]._balanced\n ) {\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(\n normalizeIdentifier(\n self.sliceSerialize({\n start: labelStart.end,\n end: self.now()\n })\n )\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(\n resourceConstruct,\n labelEndOk,\n defined ? labelEndOk : labelEndNok\n )(code)\n }\n\n // Full (`[asd][fgh]`) or collapsed (`[asd][]`) reference?\n if (code === 91) {\n return effects.attempt(\n referenceFullConstruct,\n labelEndOk,\n defined ? referenceNotFull : labelEndNok\n )(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(\n referenceCollapsedConstruct,\n labelEndOk,\n labelEndNok\n )(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 * @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)\n ? factoryWhitespace(effects, resourceOpen)(code)\n : 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(\n effects,\n resourceDestinationAfter,\n resourceDestinationMissing,\n 'resourceDestination',\n 'resourceDestinationLiteral',\n 'resourceDestinationLiteralMarker',\n 'resourceDestinationRaw',\n 'resourceDestinationString',\n 32\n )(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)\n ? factoryWhitespace(effects, resourceBetween)(code)\n : 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(\n effects,\n resourceTitleAfter,\n nok,\n 'resourceTitle',\n 'resourceTitleMarker',\n 'resourceTitleString'\n )(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)\n ? factoryWhitespace(effects, resourceEnd)(code)\n : 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 * @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(\n self,\n effects,\n referenceFullAfter,\n referenceFullMissing,\n 'reference',\n 'referenceMarker',\n 'referenceString'\n )(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(\n normalizeIdentifier(\n self.sliceSerialize(self.events[self.events.length - 1][1]).slice(1, -1)\n )\n )\n ? ok(code)\n : 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 * @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","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {labelEnd} from './label-end.js'\n\n/** @type {Construct} */\nexport const labelStartImage = {\n name: 'labelStartImage',\n tokenize: tokenizeLabelStartImage,\n resolveAll: labelEnd.resolveAll\n}\n\n/**\n * @this {TokenizeContext}\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\n ? nok(code)\n : ok(code)\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Code} Code\n */\n\nimport {\n markdownLineEndingOrSpace,\n unicodePunctuation,\n unicodeWhitespace\n} 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 (\n code === null ||\n markdownLineEndingOrSpace(code) ||\n unicodeWhitespace(code)\n ) {\n return 1\n }\n if (unicodePunctuation(code)) {\n return 2\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').Event} Event\n * @typedef {import('micromark-util-types').Point} Point\n * @typedef {import('micromark-util-types').Resolver} Resolver\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').Token} Token\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\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 tokenize: tokenizeAttention,\n resolveAll: resolveAllAttention\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 (\n events[index][0] === 'enter' &&\n events[index][1].type === 'attentionSequence' &&\n events[index][1]._close\n ) {\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 (\n events[open][0] === 'exit' &&\n events[open][1].type === 'attentionSequence' &&\n events[open][1]._open &&\n // If the markers are the same:\n context.sliceSerialize(events[open][1]).charCodeAt(0) ===\n context.sliceSerialize(events[index][1]).charCodeAt(0)\n ) {\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 (\n (events[open][1]._close || events[index][1]._open) &&\n (events[index][1].end.offset - events[index][1].start.offset) % 3 &&\n !(\n (events[open][1].end.offset -\n events[open][1].start.offset +\n events[index][1].end.offset -\n events[index][1].start.offset) %\n 3\n )\n ) {\n continue\n }\n\n // Number of markers to use from the sequence.\n use =\n events[open][1].end.offset - events[open][1].start.offset > 1 &&\n events[index][1].end.offset - events[index][1].start.offset > 1\n ? 2\n : 1\n const start = Object.assign({}, events[open][1].end)\n const end = Object.assign({}, events[index][1].start)\n movePoint(start, -use)\n movePoint(end, use)\n openingSequence = {\n type: use > 1 ? 'strongSequence' : 'emphasisSequence',\n start,\n end: Object.assign({}, events[open][1].end)\n }\n closingSequence = {\n type: use > 1 ? 'strongSequence' : 'emphasisSequence',\n start: Object.assign({}, events[index][1].start),\n end\n }\n text = {\n type: use > 1 ? 'strongText' : 'emphasisText',\n start: Object.assign({}, events[open][1].end),\n end: Object.assign({}, events[index][1].start)\n }\n group = {\n type: use > 1 ? 'strong' : 'emphasis',\n start: Object.assign({}, openingSequence.start),\n end: Object.assign({}, closingSequence.end)\n }\n events[open][1].end = Object.assign({}, openingSequence.start)\n events[index][1].start = Object.assign({}, closingSequence.end)\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, [\n ['enter', events[open][1], context],\n ['exit', events[open][1], context]\n ])\n }\n\n // Opening.\n nextEvents = push(nextEvents, [\n ['enter', group, context],\n ['enter', openingSequence, context],\n ['exit', openingSequence, context],\n ['enter', text, context]\n ])\n\n // Always populated by defaults.\n\n // Between.\n nextEvents = push(\n nextEvents,\n resolveAll(\n context.parser.constructs.insideSpan.null,\n events.slice(open + 1, index),\n context\n )\n )\n\n // Closing.\n nextEvents = push(nextEvents, [\n ['exit', text, context],\n ['enter', closingSequence, context],\n ['exit', closingSequence, context],\n ['exit', group, context]\n ])\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, [\n ['enter', events[index][1], context],\n ['exit', events[index][1], context]\n ])\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 * @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 =\n !after || (after === 2 && before) || attentionMarkers.includes(code)\n const close =\n !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 * @param {number} offset\n * @returns {undefined}\n */\nfunction movePoint(point, offset) {\n point.column += offset\n point.offset += offset\n point._bufferIndex += offset\n}\n","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {\n asciiAlpha,\n asciiAlphanumeric,\n asciiAtext,\n asciiControl\n} from 'micromark-util-character'\n/** @type {Construct} */\nexport const autolink = {\n name: 'autolink',\n tokenize: tokenizeAutolink\n}\n\n/**\n * @this {TokenizeContext}\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 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 (\n (code === 43 || code === 45 || code === 46 || asciiAlphanumeric(code)) &&\n size++ < 32\n ) {\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","/**\n * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {factorySpace} from 'micromark-factory-space'\nimport {\n asciiAlpha,\n asciiAlphanumeric,\n markdownLineEnding,\n markdownLineEndingOrSpace,\n markdownSpace\n} from 'micromark-util-character'\n/** @type {Construct} */\nexport const htmlText = {\n name: 'htmlText',\n tokenize: tokenizeHtmlText\n}\n\n/**\n * @this {TokenizeContext}\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\n ? end(code)\n : code === 45\n ? commentClose(code)\n : 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 (\n code === 45 ||\n code === 46 ||\n code === 58 ||\n code === 95 ||\n asciiAlphanumeric(code)\n ) {\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 (\n code === null ||\n code === 60 ||\n code === 61 ||\n code === 62 ||\n code === 96\n ) {\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 (\n code === null ||\n code === 34 ||\n code === 39 ||\n code === 60 ||\n code === 61 ||\n code === 96\n ) {\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)\n ? factorySpace(\n effects,\n lineEndingAfterPrefix,\n 'linePrefix',\n self.parser.constructs.disable.null.includes('codeIndented')\n ? undefined\n : 4\n )(code)\n : 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","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {labelEnd} from './label-end.js'\n\n/** @type {Construct} */\nexport const labelStartLink = {\n name: 'labelStartLink',\n tokenize: tokenizeLabelStartLink,\n resolveAll: labelEnd.resolveAll\n}\n\n/**\n * @this {TokenizeContext}\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\n ? nok(code)\n : ok(code)\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\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 * @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","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').Previous} Previous\n * @typedef {import('micromark-util-types').Resolver} Resolver\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').Token} Token\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {markdownLineEnding} from 'micromark-util-character'\n/** @type {Construct} */\nexport const codeText = {\n name: 'codeText',\n tokenize: tokenizeCodeText,\n resolve: resolveCodeText,\n previous\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 (\n (events[headEnterIndex][1].type === 'lineEnding' ||\n events[headEnterIndex][1].type === 'space') &&\n (events[tailExitIndex][1].type === 'lineEnding' ||\n events[tailExitIndex][1].type === 'space')\n ) {\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 (\n index === tailExitIndex ||\n events[index][1].type === 'lineEnding'\n ) {\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 * @type {Previous}\n */\nfunction previous(code) {\n // If there is a previous code, there will always be a tail.\n return (\n code !== 96 ||\n this.events[this.events.length - 1][1].type === 'characterEscape'\n )\n}\n\n/**\n * @this {TokenizeContext}\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 (\n code === null ||\n code === 32 ||\n code === 96 ||\n markdownLineEnding(code)\n ) {\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","/**\n * @typedef {import('micromark-util-types').Extension} Extension\n */\n\nimport {\n attention,\n autolink,\n blockQuote,\n characterEscape,\n characterReference,\n codeFenced,\n codeIndented,\n codeText,\n definition,\n hardBreakEscape,\n headingAtx,\n htmlFlow,\n htmlText,\n labelEnd,\n labelStartImage,\n labelStartLink,\n lineEnding,\n list,\n setextUnderline,\n thematicBreak\n} 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","/**\n * @typedef {import('micromark-util-types').Chunk} Chunk\n * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').Encoding} Encoding\n * @typedef {import('micromark-util-types').Value} Value\n */\n\n/**\n * @callback Preprocessor\n * @param {Value} value\n * @param {Encoding | null | undefined} [encoding]\n * @param {boolean | null | undefined} [end=false]\n * @returns {Array}\n */\n\nconst search = /[\\0\\t\\n\\r]/g\n\n/**\n * @returns {Preprocessor}\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 =\n buffer +\n (typeof value === 'string'\n ? value.toString()\n : 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 =\n 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 chunks.push(65533)\n column++\n break\n }\n case 9: {\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 chunks.push(-4)\n column = 1\n break\n }\n default: {\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","/**\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 =\n /\\\\([!-/:-@[-`{-~])|&(#(?:\\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 * @param {string} $1\n * @param {string} $2\n * @returns {string}\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","/**\n * @typedef {import('mdast').Break} Break\n * @typedef {import('mdast').Blockquote} Blockquote\n * @typedef {import('mdast').Code} Code\n * @typedef {import('mdast').Definition} Definition\n * @typedef {import('mdast').Emphasis} Emphasis\n * @typedef {import('mdast').Heading} Heading\n * @typedef {import('mdast').Html} Html\n * @typedef {import('mdast').Image} Image\n * @typedef {import('mdast').InlineCode} InlineCode\n * @typedef {import('mdast').Link} Link\n * @typedef {import('mdast').List} List\n * @typedef {import('mdast').ListItem} ListItem\n * @typedef {import('mdast').Nodes} Nodes\n * @typedef {import('mdast').Paragraph} Paragraph\n * @typedef {import('mdast').Parent} Parent\n * @typedef {import('mdast').PhrasingContent} PhrasingContent\n * @typedef {import('mdast').ReferenceType} ReferenceType\n * @typedef {import('mdast').Root} Root\n * @typedef {import('mdast').Strong} Strong\n * @typedef {import('mdast').Text} Text\n * @typedef {import('mdast').ThematicBreak} ThematicBreak\n *\n * @typedef {import('micromark-util-types').Encoding} Encoding\n * @typedef {import('micromark-util-types').Event} Event\n * @typedef {import('micromark-util-types').ParseOptions} ParseOptions\n * @typedef {import('micromark-util-types').Token} Token\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Value} Value\n *\n * @typedef {import('unist').Point} Point\n *\n * @typedef {import('../index.js').CompileData} CompileData\n */\n\n/**\n * @typedef {Omit & {type: 'fragment', children: Array}} Fragment\n */\n\n/**\n * @callback Transform\n * Extra transform, to change the AST afterwards.\n * @param {Root} tree\n * Tree to transform.\n * @returns {Root | null | undefined | void}\n * New tree or nothing (in which case the current tree is used).\n *\n * @callback Handle\n * Handle a token.\n * @param {CompileContext} this\n * Context.\n * @param {Token} token\n * Current token.\n * @returns {undefined | void}\n * Nothing.\n *\n * @typedef {Record} Handles\n * Token types mapping to handles\n *\n * @callback OnEnterError\n * Handle the case where the `right` token is open, but it is closed (by the\n * `left` token) or because we reached the end of the document.\n * @param {Omit} this\n * Context.\n * @param {Token | undefined} left\n * Left token.\n * @param {Token} right\n * Right token.\n * @returns {undefined}\n * Nothing.\n *\n * @callback OnExitError\n * Handle the case where the `right` token is open but it is closed by\n * exiting the `left` token.\n * @param {Omit} this\n * Context.\n * @param {Token} left\n * Left token.\n * @param {Token} right\n * Right token.\n * @returns {undefined}\n * Nothing.\n *\n * @typedef {[Token, OnEnterError | undefined]} TokenTuple\n * Open token on the stack, with an optional error handler for when\n * that token isn’t closed properly.\n */\n\n/**\n * @typedef Config\n * Configuration.\n *\n * We have our defaults, but extensions will add more.\n * @property {Array} canContainEols\n * Token types where line endings are used.\n * @property {Handles} enter\n * Opening handles.\n * @property {Handles} exit\n * Closing handles.\n * @property {Array} transforms\n * Tree transforms.\n *\n * @typedef {Partial} Extension\n * Change how markdown tokens from micromark are turned into mdast.\n *\n * @typedef CompileContext\n * mdast compiler context.\n * @property {Array} stack\n * Stack of nodes.\n * @property {Array} tokenStack\n * Stack of tokens.\n * @property {(this: CompileContext) => undefined} buffer\n * Capture some of the output data.\n * @property {(this: CompileContext) => string} resume\n * Stop capturing and access the output data.\n * @property {(this: CompileContext, node: Nodes, token: Token, onError?: OnEnterError) => undefined} enter\n * Enter a node.\n * @property {(this: CompileContext, token: Token, onError?: OnExitError) => undefined} exit\n * Exit a node.\n * @property {TokenizeContext['sliceSerialize']} sliceSerialize\n * Get the string value of a token.\n * @property {Config} config\n * Configuration.\n * @property {CompileData} data\n * Info passed around; key/value store.\n *\n * @typedef FromMarkdownOptions\n * Configuration for how to build mdast.\n * @property {Array> | null | undefined} [mdastExtensions]\n * Extensions for this utility to change how tokens are turned into a tree.\n *\n * @typedef {ParseOptions & FromMarkdownOptions} Options\n * Configuration.\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)(\n postprocess(\n parse(options).document().write(preprocess()(value, encoding, true))\n )\n )\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 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 (\n events[index][1].type === 'listOrdered' ||\n events[index][1].type === 'listUnordered'\n ) {\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(\n Object.assign(\n {\n sliceSerialize: events[index][2].sliceSerialize\n },\n context\n ),\n events[index][1]\n )\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(\n events.length > 0\n ? events[0][1].start\n : {\n line: 1,\n column: 1,\n offset: 0\n }\n ),\n end: point(\n events.length > 0\n ? events[events.length - 2][1].end\n : {\n line: 1,\n column: 1,\n offset: 0\n }\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 if (event[0] === 'enter') {\n containerBalance++\n } else {\n containerBalance--\n }\n atMarker = undefined\n break\n }\n case 'lineEndingBlank': {\n if (event[0] === 'enter') {\n if (\n listItem &&\n !atMarker &&\n !containerBalance &&\n !firstBlankLineIndex\n ) {\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 // Empty.\n\n break\n }\n default: {\n atMarker = undefined\n }\n }\n if (\n (!containerBalance &&\n event[0] === 'enter' &&\n event[1].type === 'listItemPrefix') ||\n (containerBalance === -1 &&\n event[0] === 'exit' &&\n (event[1].type === 'listUnordered' ||\n event[1].type === 'listOrdered'))\n ) {\n if (listItem) {\n let tailIndex = index\n lineIndex = undefined\n while (tailIndex--) {\n const tailEvent = events[tailIndex]\n if (\n tailEvent[1].type === 'lineEnding' ||\n tailEvent[1].type === 'lineEndingBlank'\n ) {\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 (\n tailEvent[1].type === 'linePrefix' ||\n tailEvent[1].type === 'blockQuotePrefix' ||\n tailEvent[1].type === 'blockQuotePrefixWhitespace' ||\n tailEvent[1].type === 'blockQuoteMarker' ||\n tailEvent[1].type === 'listItemIndent'\n ) {\n // Empty\n } else {\n break\n }\n }\n if (\n firstBlankLineIndex &&\n (!lineIndex || firstBlankLineIndex < lineIndex)\n ) {\n listItem._spread = true\n }\n\n // Fix position.\n listItem.end = Object.assign(\n {},\n lineIndex ? events[lineIndex][1].start : event[1].end\n )\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 * @this {CompileContext}\n * @returns {undefined}\n */\n function buffer() {\n this.stack.push({\n type: 'fragment',\n children: []\n })\n }\n\n /**\n * @this {CompileContext}\n * Context.\n * @param {Nodes} node\n * Node to enter.\n * @param {Token} token\n * Corresponding token.\n * @param {OnEnterError | undefined} [errorHandler]\n * Handle the case where this token is open, but it is closed by something else.\n * @returns {undefined}\n * Nothing.\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])\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 * @this {CompileContext}\n * Context.\n * @param {Token} token\n * Corresponding token.\n * @param {OnExitError | undefined} [onExitError]\n * Handle the case where another token is open.\n * @returns {undefined}\n * Nothing.\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(\n 'Cannot close `' +\n token.type +\n '` (' +\n stringifyPosition({\n start: token.start,\n end: token.end\n }) +\n '): it’s not open'\n )\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 * @this {CompileContext}\n * @returns {string}\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(\n this.sliceSerialize(token)\n ).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 (\n !this.data.setextHeadingSlurpLineEnding &&\n config.canContainEols.includes(context.type)\n ) {\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 // 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 // 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(\n this.sliceSerialize(token)\n ).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(\n data,\n type === 'characterReferenceMarkerNumeric' ? 10 : 16\n )\n this.data.characterReferenceType = undefined\n } else {\n const result = decodeNamedCharacterReference(data)\n value = result\n }\n const tail = this.stack.pop()\n tail.value += value\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 const right = extension[key]\n if (right) {\n combined[key].push(...right)\n }\n break\n }\n case 'transforms': {\n const right = extension[key]\n if (right) {\n combined[key].push(...right)\n }\n break\n }\n case 'enter':\n case 'exit': {\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(\n 'Cannot close `' +\n left.type +\n '` (' +\n stringifyPosition({\n start: left.start,\n end: left.end\n }) +\n '): a different token (`' +\n right.type +\n '`, ' +\n stringifyPosition({\n start: right.start,\n end: right.end\n }) +\n ') is open'\n )\n } else {\n throw new Error(\n 'Cannot close document, a token (`' +\n right.type +\n '`, ' +\n stringifyPosition({\n start: right.start,\n end: right.end\n }) +\n ') is still open'\n )\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Event} Event\n */\n\nimport {subtokenize} from 'micromark-util-subtokenize'\n\n/**\n * @param {Array} events\n * @returns {Array}\n */\nexport function postprocess(events) {\n while (!subtokenize(events)) {\n // Empty\n }\n return events\n}\n","/**\n * @typedef {import('micromark-util-types').Create} Create\n * @typedef {import('micromark-util-types').FullNormalizedExtension} FullNormalizedExtension\n * @typedef {import('micromark-util-types').InitialConstruct} InitialConstruct\n * @typedef {import('micromark-util-types').ParseContext} ParseContext\n * @typedef {import('micromark-util-types').ParseOptions} ParseOptions\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 {createTokenizer} from './create-tokenizer.js'\nimport * as defaultConstructs from './constructs.js'\n\n/**\n * @param {ParseOptions | null | undefined} [options]\n * @returns {ParseContext}\n */\nexport function parse(options) {\n const settings = options || {}\n const constructs =\n /** @type {FullNormalizedExtension} */\n combineExtensions([defaultConstructs, ...(settings.extensions || [])])\n\n /** @type {ParseContext} */\n const parser = {\n defined: [],\n lazy: {},\n constructs,\n content: create(content),\n document: create(document),\n flow: create(flow),\n string: create(string),\n text: create(text)\n }\n return parser\n\n /**\n * @param {InitialConstruct} initial\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","/**\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","export const VOID = -1;\nexport const PRIMITIVE = 0;\nexport const ARRAY = 1;\nexport const OBJECT = 2;\nexport const DATE = 3;\nexport const REGEXP = 4;\nexport const MAP = 5;\nexport const SET = 6;\nexport const ERROR = 7;\nexport const BIGINT = 8;\n// export const SYMBOL = 9;\n","import {\n VOID, PRIMITIVE,\n ARRAY, OBJECT,\n DATE, REGEXP, MAP, SET,\n ERROR, BIGINT\n} from './types.js';\n\nconst env = typeof self === 'object' ? self : globalThis;\n\nconst deserializer = ($, _) => {\n const as = (out, index) => {\n $.set(index, out);\n return out;\n };\n\n const unpair = index => {\n if ($.has(index))\n return $.get(index);\n\n const [type, value] = _[index];\n switch (type) {\n case PRIMITIVE:\n case VOID:\n return as(value, index);\n case ARRAY: {\n const arr = as([], index);\n for (const index of value)\n arr.push(unpair(index));\n return arr;\n }\n case OBJECT: {\n const object = as({}, index);\n for (const [key, index] of value)\n object[unpair(key)] = unpair(index);\n return object;\n }\n case DATE:\n return as(new Date(value), index);\n case REGEXP: {\n const {source, flags} = value;\n return as(new RegExp(source, flags), index);\n }\n case MAP: {\n const map = as(new Map, index);\n for (const [key, index] of value)\n map.set(unpair(key), unpair(index));\n return map;\n }\n case SET: {\n const set = as(new Set, index);\n for (const index of value)\n set.add(unpair(index));\n return set;\n }\n case ERROR: {\n const {name, message} = value;\n return as(new env[name](message), index);\n }\n case BIGINT:\n return as(BigInt(value), index);\n case 'BigInt':\n return as(Object(BigInt(value)), index);\n }\n return as(new env[type](value), index);\n };\n\n return unpair;\n};\n\n/**\n * @typedef {Array} Record a type representation\n */\n\n/**\n * Returns a deserialized value from a serialized array of Records.\n * @param {Record[]} serialized a previously serialized value.\n * @returns {any}\n */\nexport const deserialize = serialized => deserializer(new Map, serialized)(0);\n","import {\n VOID, PRIMITIVE,\n ARRAY, OBJECT,\n DATE, REGEXP, MAP, SET,\n ERROR, BIGINT\n} from './types.js';\n\nconst EMPTY = '';\n\nconst {toString} = {};\nconst {keys} = Object;\n\nconst typeOf = value => {\n const type = typeof value;\n if (type !== 'object' || !value)\n return [PRIMITIVE, type];\n\n const asString = toString.call(value).slice(8, -1);\n switch (asString) {\n case 'Array':\n return [ARRAY, EMPTY];\n case 'Object':\n return [OBJECT, EMPTY];\n case 'Date':\n return [DATE, EMPTY];\n case 'RegExp':\n return [REGEXP, EMPTY];\n case 'Map':\n return [MAP, EMPTY];\n case 'Set':\n return [SET, EMPTY];\n }\n\n if (asString.includes('Array'))\n return [ARRAY, asString];\n\n if (asString.includes('Error'))\n return [ERROR, asString];\n\n return [OBJECT, asString];\n};\n\nconst shouldSkip = ([TYPE, type]) => (\n TYPE === PRIMITIVE &&\n (type === 'function' || type === 'symbol')\n);\n\nconst serializer = (strict, json, $, _) => {\n\n const as = (out, value) => {\n const index = _.push(out) - 1;\n $.set(value, index);\n return index;\n };\n\n const pair = value => {\n if ($.has(value))\n return $.get(value);\n\n let [TYPE, type] = typeOf(value);\n switch (TYPE) {\n case PRIMITIVE: {\n let entry = value;\n switch (type) {\n case 'bigint':\n TYPE = BIGINT;\n entry = value.toString();\n break;\n case 'function':\n case 'symbol':\n if (strict)\n throw new TypeError('unable to serialize ' + type);\n entry = null;\n break;\n case 'undefined':\n return as([VOID], value);\n }\n return as([TYPE, entry], value);\n }\n case ARRAY: {\n if (type)\n return as([type, [...value]], value);\n \n const arr = [];\n const index = as([TYPE, arr], value);\n for (const entry of value)\n arr.push(pair(entry));\n return index;\n }\n case OBJECT: {\n if (type) {\n switch (type) {\n case 'BigInt':\n return as([type, value.toString()], value);\n case 'Boolean':\n case 'Number':\n case 'String':\n return as([type, value.valueOf()], value);\n }\n }\n\n if (json && ('toJSON' in value))\n return pair(value.toJSON());\n\n const entries = [];\n const index = as([TYPE, entries], value);\n for (const key of keys(value)) {\n if (strict || !shouldSkip(typeOf(value[key])))\n entries.push([pair(key), pair(value[key])]);\n }\n return index;\n }\n case DATE:\n return as([TYPE, value.toISOString()], value);\n case REGEXP: {\n const {source, flags} = value;\n return as([TYPE, {source, flags}], value);\n }\n case MAP: {\n const entries = [];\n const index = as([TYPE, entries], value);\n for (const [key, entry] of value) {\n if (strict || !(shouldSkip(typeOf(key)) || shouldSkip(typeOf(entry))))\n entries.push([pair(key), pair(entry)]);\n }\n return index;\n }\n case SET: {\n const entries = [];\n const index = as([TYPE, entries], value);\n for (const entry of value) {\n if (strict || !shouldSkip(typeOf(entry)))\n entries.push(pair(entry));\n }\n return index;\n }\n }\n\n const {message} = value;\n return as([TYPE, {name: type, message}], value);\n };\n\n return pair;\n};\n\n/**\n * @typedef {Array} Record a type representation\n */\n\n/**\n * Returns an array of serialized Records.\n * @param {any} value a serializable value.\n * @param {{json?: boolean, lossy?: boolean}?} options an object with a `lossy` or `json` property that,\n * if `true`, will not throw errors on incompatible types, and behave more\n * like JSON stringify would behave. Symbol and Function will be discarded.\n * @returns {Record[]}\n */\n export const serialize = (value, {json, lossy} = {}) => {\n const _ = [];\n return serializer(!(json || lossy), !!json, new Map, _)(value), _;\n};\n","import {deserialize} from './deserialize.js';\nimport {serialize} from './serialize.js';\n\n/**\n * @typedef {Array} Record a type representation\n */\n\n/**\n * Returns an array of serialized Records.\n * @param {any} any a serializable value.\n * @param {{transfer?: any[], json?: boolean, lossy?: boolean}?} options an object with\n * a transfer option (ignored when polyfilled) and/or non standard fields that\n * fallback to the polyfill if present.\n * @returns {Record[]}\n */\nexport default typeof structuredClone === \"function\" ?\n /* c8 ignore start */\n (any, options) => (\n options && ('json' in options || 'lossy' in options) ?\n deserialize(serialize(any, options)) : structuredClone(any)\n ) :\n (any, options) => deserialize(serialize(any, options));\n /* c8 ignore stop */\n\nexport {deserialize, serialize};\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?$/i` for `img[src]` (this is what `github.com` allows).\n * If the URL includes an unknown protocol (one not matched by `protocol`, such\n * as a dangerous example, `javascript:`), the value is ignored.\n *\n * @param {string | null | undefined} url\n * URI to sanitize.\n * @param {RegExp | null | undefined} [protocol]\n * Allowed protocols.\n * @returns {string}\n * Sanitized URI.\n */\nexport function sanitizeUri(url, protocol) {\n const value = encode(normalizeUri(url || ''))\n if (!protocol) {\n return value\n }\n const colon = value.indexOf(':')\n const questionMark = value.indexOf('?')\n const numberSign = value.indexOf('#')\n const slash = value.indexOf('/')\n if (\n // If there is no protocol, it’s relative.\n colon < 0 ||\n // If the first colon is after a `?`, `#`, or `/`, it’s not a protocol.\n (slash > -1 && colon > slash) ||\n (questionMark > -1 && colon > questionMark) ||\n (numberSign > -1 && colon > numberSign) ||\n // It is a protocol, it should be allowed.\n protocol.test(value.slice(0, colon))\n ) {\n return value\n }\n return ''\n}\n\n/**\n * Normalize a URL.\n *\n * Encode unsafe characters with percent-encoding, skipping already encoded\n * sequences.\n *\n * @param {string} value\n * URI to normalize.\n * @returns {string}\n * Normalized URI.\n */\nexport function normalizeUri(value) {\n /** @type {Array} */\n const result = []\n let index = -1\n let start = 0\n let skip = 0\n while (++index < value.length) {\n const code = value.charCodeAt(index)\n /** @type {string} */\n let replace = ''\n\n // A correct percent encoded value.\n if (\n code === 37 &&\n asciiAlphanumeric(value.charCodeAt(index + 1)) &&\n asciiAlphanumeric(value.charCodeAt(index + 2))\n ) {\n skip = 2\n }\n // ASCII.\n else if (code < 128) {\n if (!/[!#$&-;=?-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","/**\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 def = state.footnoteById.get(state.footnoteOrder[referenceIndex])\n\n if (!def) {\n continue\n }\n\n const content = state.all(def)\n const id = String(def.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(def, 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('unist').Node} Node\n * @typedef {import('unist').Parent} Parent\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 a node.\n * @param {unknown} this\n * The given context.\n * @param {unknown} [node]\n * Anything (typically a node).\n * @param {number | null | undefined} [index]\n * The node’s position in its parent.\n * @param {Parent | null | undefined} [parent]\n * The node’s parent.\n * @returns {boolean}\n * Whether this is a node and passes a test.\n *\n * @typedef {Record | Node} Props\n * Object to check for equivalence.\n *\n * Note: `Node` is included as it is common but is not indexable.\n *\n * @typedef {Array | Props | TestFunction | string | null | undefined} Test\n * Check for an arbitrary node.\n *\n * @callback TestFunction\n * Check if a node passes a test.\n * @param {unknown} this\n * The given context.\n * @param {Node} node\n * A node.\n * @param {number | undefined} [index]\n * The node’s position in its parent.\n * @param {Parent | undefined} [parent]\n * The node’s parent.\n * @returns {boolean | undefined | void}\n * Whether this node passes the test.\n *\n * Note: `void` is included until TS sees no return as `undefined`.\n */\n\n/**\n * Check if `node` is a `Node` and whether it passes the given test.\n *\n * @param {unknown} node\n * Thing to check, typically `Node`.\n * @param {Test} test\n * A check for a specific node.\n * @param {number | null | undefined} index\n * The node’s position in its parent.\n * @param {Parent | null | undefined} parent\n * The node’s parent.\n * @param {unknown} context\n * Context object (`this`) to pass to `test` functions.\n * @returns {boolean}\n * Whether `node` is a node and passes a test.\n */\nexport const is =\n // Note: overloads in JSDoc can’t yet use different `@template`s.\n /**\n * @type {(\n * ((node: unknown, test: Condition, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node & {type: Condition}) &\n * ((node: unknown, test: Condition, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node & Condition) &\n * ((node: unknown, test: Condition, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node & Predicate) &\n * ((node?: null | undefined) => false) &\n * ((node: unknown, test?: null | undefined, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node) &\n * ((node: unknown, test?: Test, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => boolean)\n * )}\n */\n (\n /**\n * @param {unknown} [node]\n * @param {Test} [test]\n * @param {number | null | undefined} [index]\n * @param {Parent | null | undefined} [parent]\n * @param {unknown} [context]\n * @returns {boolean}\n */\n // eslint-disable-next-line max-params\n function (node, test, index, parent, context) {\n const check = convert(test)\n\n if (\n index !== undefined &&\n index !== null &&\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 !== undefined &&\n parent !== null &&\n (!is(parent) || !parent.children)\n ) {\n throw new Error('Expected parent node')\n }\n\n if (\n (parent === undefined || parent === null) !==\n (index === undefined || index === null)\n ) {\n throw new Error('Expected both parent and index')\n }\n\n return looksLikeANode(node)\n ? check.call(context, node, index, parent)\n : false\n }\n )\n\n/**\n * Generate an assertion 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 * a `node`, `index`, and `parent`.\n *\n * @param {Test} test\n * * when nullish, checks if `node` is a `Node`.\n * * when `string`, works like passing `(node) => node.type === test`.\n * * when `function` checks if function passed the node is true.\n * * when `object`, checks that all keys in test are in node, and that they have (strictly) equal values.\n * * when `array`, checks if any one of the subtests pass.\n * @returns {Check}\n * An assertion.\n */\nexport const convert =\n // Note: overloads in JSDoc can’t yet use different `@template`s.\n /**\n * @type {(\n * ((test: Condition) => (node: unknown, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node & {type: Condition}) &\n * ((test: Condition) => (node: unknown, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node & Condition) &\n * ((test: Condition) => (node: unknown, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node & Predicate) &\n * ((test?: null | undefined) => (node?: unknown, index?: number | null | undefined, parent?: Parent | null | undefined, context?: unknown) => node is Node) &\n * ((test?: Test) => Check)\n * )}\n */\n (\n /**\n * @param {Test} [test]\n * @returns {Check}\n */\n function (test) {\n if (test === null || test === undefined) {\n return ok\n }\n\n if (typeof test === 'function') {\n return castFactory(test)\n }\n\n if (typeof test === 'object') {\n return Array.isArray(test) ? anyFactory(test) : propsFactory(test)\n }\n\n if (typeof test === 'string') {\n return typeFactory(test)\n }\n\n throw new Error('Expected function, string, or object as test')\n }\n )\n\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] = convert(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 an object into a test for a node with a certain fields.\n *\n * @param {Props} check\n * @returns {Check}\n */\nfunction propsFactory(check) {\n const checkAsRecord = /** @type {Record} */ (check)\n\n return castFactory(all)\n\n /**\n * @param {Node} node\n * @returns {boolean}\n */\n function all(node) {\n const nodeAsRecord = /** @type {Record} */ (\n /** @type {unknown} */ (node)\n )\n\n /** @type {string} */\n let key\n\n for (key in check) {\n if (nodeAsRecord[key] !== checkAsRecord[key]) return false\n }\n\n return true\n }\n}\n\n/**\n * Turn a string into a test for a node with a certain type.\n *\n * @param {string} check\n * @returns {Check}\n */\nfunction typeFactory(check) {\n return castFactory(type)\n\n /**\n * @param {Node} node\n */\n function type(node) {\n return node && node.type === check\n }\n}\n\n/**\n * Turn a custom test into a test for a node 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 looksLikeANode(value) &&\n testFunction.call(\n this,\n value,\n typeof index === 'number' ? index : undefined,\n parent || undefined\n )\n )\n }\n}\n\nfunction ok() {\n return true\n}\n\n/**\n * @param {unknown} value\n * @returns {value is Node}\n */\nfunction looksLikeANode(value) {\n return value !== null && typeof value === 'object' && 'type' in value\n}\n","/**\n * @typedef {import('unist').Node} UnistNode\n * @typedef {import('unist').Parent} UnistParent\n */\n\n/**\n * @typedef {Exclude | undefined} Test\n * Test from `unist-util-is`.\n *\n * Note: we have remove and add `undefined`, because otherwise when generating\n * automatic `.d.ts` files, TS tries to flatten paths from a local perspective,\n * which doesn’t work when publishing on npm.\n */\n\n/**\n * @typedef {(\n * Fn extends (value: any) => value is infer Thing\n * ? Thing\n * : Fallback\n * )} Predicate\n * Get the value of a type guard `Fn`.\n * @template Fn\n * Value; typically function that is a type guard (such as `(x): x is Y`).\n * @template Fallback\n * Value to yield if `Fn` is not a type guard.\n */\n\n/**\n * @typedef {(\n * Check extends null | undefined // No test.\n * ? Value\n * : Value extends {type: Check} // String (type) test.\n * ? Value\n * : Value extends Check // Partial test.\n * ? Value\n * : Check extends Function // Function test.\n * ? Predicate extends Value\n * ? Predicate\n * : never\n * : never // Some other test?\n * )} MatchesOne\n * Check whether a node matches a primitive check in the type system.\n * @template Value\n * Value; typically unist `Node`.\n * @template Check\n * Value; typically `unist-util-is`-compatible test, but not arrays.\n */\n\n/**\n * @typedef {(\n * Check extends Array\n * ? MatchesOne\n * : MatchesOne\n * )} Matches\n * Check whether a node matches a check in the type system.\n * @template Value\n * Value; typically unist `Node`.\n * @template Check\n * Value; typically `unist-util-is`-compatible test.\n */\n\n/**\n * @typedef {0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10} Uint\n * Number; capped reasonably.\n */\n\n/**\n * @typedef {I extends 0 ? 1 : I extends 1 ? 2 : I extends 2 ? 3 : I extends 3 ? 4 : I extends 4 ? 5 : I extends 5 ? 6 : I extends 6 ? 7 : I extends 7 ? 8 : I extends 8 ? 9 : 10} Increment\n * Increment a number in the type system.\n * @template {Uint} [I=0]\n * Index.\n */\n\n/**\n * @typedef {(\n * Node extends UnistParent\n * ? Node extends {children: Array}\n * ? Child extends Children ? Node : never\n * : never\n * : never\n * )} InternalParent\n * Collect nodes that can be parents of `Child`.\n * @template {UnistNode} Node\n * All node types in a tree.\n * @template {UnistNode} Child\n * Node to search for.\n */\n\n/**\n * @typedef {InternalParent, Child>} Parent\n * Collect nodes in `Tree` that can be parents of `Child`.\n * @template {UnistNode} Tree\n * All node types in a tree.\n * @template {UnistNode} Child\n * Node to search for.\n */\n\n/**\n * @typedef {(\n * Depth extends Max\n * ? never\n * :\n * | InternalParent\n * | InternalAncestor, Max, Increment>\n * )} InternalAncestor\n * Collect nodes in `Tree` that can be ancestors of `Child`.\n * @template {UnistNode} Node\n * All node types in a tree.\n * @template {UnistNode} Child\n * Node to search for.\n * @template {Uint} [Max=10]\n * Max; searches up to this depth.\n * @template {Uint} [Depth=0]\n * Current depth.\n */\n\n/**\n * @typedef {InternalAncestor, Child>} Ancestor\n * Collect nodes in `Tree` that can be ancestors of `Child`.\n * @template {UnistNode} Tree\n * All node types in a tree.\n * @template {UnistNode} Child\n * Node to search for.\n */\n\n/**\n * @typedef {(\n * Tree extends UnistParent\n * ? Depth extends Max\n * ? Tree\n * : Tree | InclusiveDescendant>\n * : Tree\n * )} InclusiveDescendant\n * Collect all (inclusive) descendants of `Tree`.\n *\n * > 👉 **Note**: for performance reasons, this seems to be the fastest way to\n * > recurse without actually running into an infinite loop, which the\n * > previous version did.\n * >\n * > Practically, a max of `2` is typically enough assuming a `Root` is\n * > passed, but it doesn’t improve performance.\n * > It gets higher with `List > ListItem > Table > TableRow > TableCell`.\n * > Using up to `10` doesn’t hurt or help either.\n * @template {UnistNode} Tree\n * Tree type.\n * @template {Uint} [Max=10]\n * Max; searches up to this depth.\n * @template {Uint} [Depth=0]\n * Current depth.\n */\n\n/**\n * @typedef {'skip' | boolean} Action\n * Union of the action types.\n *\n * @typedef {number} Index\n * Move to the sibling at `index` next (after node itself is completely\n * traversed).\n *\n * Useful if mutating the tree, such as removing the node the visitor is\n * currently on, or any of its previous siblings.\n * Results less than 0 or greater than or equal to `children.length` stop\n * traversing the parent.\n *\n * @typedef {[(Action | null | undefined | void)?, (Index | null | undefined)?]} ActionTuple\n * List with one or two values, the first an action, the second an index.\n *\n * @typedef {Action | ActionTuple | Index | null | undefined | void} VisitorResult\n * Any value that can be returned from a visitor.\n */\n\n/**\n * @callback Visitor\n * Handle a node (matching `test`, if given).\n *\n * Visitors are free to transform `node`.\n * They can also transform the parent of node (the last of `ancestors`).\n *\n * Replacing `node` itself, if `SKIP` is not returned, still causes its\n * descendants to be walked (which is a bug).\n *\n * When adding or removing previous siblings of `node` (or next siblings, in\n * case of reverse), the `Visitor` should return a new `Index` to specify the\n * sibling to traverse after `node` is traversed.\n * Adding or removing next siblings of `node` (or previous siblings, in case\n * of reverse) is handled as expected without needing to return a new `Index`.\n *\n * Removing the children property of an ancestor still results in them being\n * traversed.\n * @param {Visited} node\n * Found node.\n * @param {Array} ancestors\n * Ancestors of `node`.\n * @returns {VisitorResult}\n * What to do next.\n *\n * An `Index` is treated as a tuple of `[CONTINUE, Index]`.\n * An `Action` is treated as a tuple of `[Action]`.\n *\n * Passing a tuple back only makes sense if the `Action` is `SKIP`.\n * When the `Action` is `EXIT`, that action can be returned.\n * When the `Action` is `CONTINUE`, `Index` can be returned.\n * @template {UnistNode} [Visited=UnistNode]\n * Visited node type.\n * @template {UnistParent} [VisitedParents=UnistParent]\n * Ancestor type.\n */\n\n/**\n * @typedef {Visitor, Check>, Ancestor, Check>>>} BuildVisitor\n * Build a typed `Visitor` function from a tree and a test.\n *\n * It will infer which values are passed as `node` and which as `parents`.\n * @template {UnistNode} [Tree=UnistNode]\n * Tree type.\n * @template {Test} [Check=Test]\n * Test type.\n */\n\nimport {convert} from 'unist-util-is'\nimport {color} from 'unist-util-visit-parents/do-not-use-color'\n\n/** @type {Readonly} */\nconst empty = []\n\n/**\n * Continue traversing as normal.\n */\nexport const CONTINUE = true\n\n/**\n * Stop traversing immediately.\n */\nexport const EXIT = false\n\n/**\n * Do not traverse this node’s children.\n */\nexport const SKIP = 'skip'\n\n/**\n * Visit nodes, with ancestral information.\n *\n * This algorithm performs *depth-first* *tree traversal* in *preorder*\n * (**NLR**) or if `reverse` is given, in *reverse preorder* (**NRL**).\n *\n * You can choose for which nodes `visitor` is called by passing a `test`.\n * For complex tests, you should test yourself in `visitor`, as it will be\n * faster and will have improved type information.\n *\n * Walking the tree is an intensive task.\n * Make use of the return values of the visitor when possible.\n * Instead of walking a tree multiple times, walk it once, use `unist-util-is`\n * to check if a node matches, and then perform different operations.\n *\n * You can change the tree.\n * See `Visitor` for more info.\n *\n * @overload\n * @param {Tree} tree\n * @param {Check} check\n * @param {BuildVisitor} visitor\n * @param {boolean | null | undefined} [reverse]\n * @returns {undefined}\n *\n * @overload\n * @param {Tree} tree\n * @param {BuildVisitor} visitor\n * @param {boolean | null | undefined} [reverse]\n * @returns {undefined}\n *\n * @param {UnistNode} tree\n * Tree to traverse.\n * @param {Visitor | Test} test\n * `unist-util-is`-compatible test\n * @param {Visitor | boolean | null | undefined} [visitor]\n * Handle each node.\n * @param {boolean | null | undefined} [reverse]\n * Traverse in reverse preorder (NRL) instead of the default preorder (NLR).\n * @returns {undefined}\n * Nothing.\n *\n * @template {UnistNode} Tree\n * Node type.\n * @template {Test} Check\n * `unist-util-is`-compatible test.\n */\nexport function visitParents(tree, test, visitor, reverse) {\n /** @type {Test} */\n let check\n\n if (typeof test === 'function' && typeof visitor !== 'function') {\n reverse = visitor\n // @ts-expect-error no visitor given, so `visitor` is test.\n visitor = test\n } else {\n // @ts-expect-error visitor given, so `test` isn’t a visitor.\n check = test\n }\n\n const is = convert(check)\n const step = reverse ? -1 : 1\n\n factory(tree, undefined, [])()\n\n /**\n * @param {UnistNode} node\n * @param {number | undefined} index\n * @param {Array} parents\n */\n function factory(node, index, parents) {\n const value = /** @type {Record} */ (\n node && typeof node === 'object' ? node : {}\n )\n\n if (typeof value.type === 'string') {\n const name =\n // `hast`\n typeof value.tagName === 'string'\n ? value.tagName\n : // `xast`\n typeof value.name === 'string'\n ? value.name\n : undefined\n\n Object.defineProperty(visit, 'name', {\n value:\n 'node (' + color(node.type + (name ? '<' + name + '>' : '')) + ')'\n })\n }\n\n return visit\n\n function visit() {\n /** @type {Readonly} */\n let result = empty\n /** @type {Readonly} */\n let subresult\n /** @type {number} */\n let offset\n /** @type {Array} */\n let grandparents\n\n if (!test || is(node, index, parents[parents.length - 1] || undefined)) {\n // @ts-expect-error: `visitor` is now a visitor.\n result = toResult(visitor(node, parents))\n\n if (result[0] === EXIT) {\n return result\n }\n }\n\n if ('children' in node && node.children) {\n const nodeAsParent = /** @type {UnistParent} */ (node)\n\n if (nodeAsParent.children && result[0] !== SKIP) {\n offset = (reverse ? nodeAsParent.children.length : -1) + step\n grandparents = parents.concat(nodeAsParent)\n\n while (offset > -1 && offset < nodeAsParent.children.length) {\n const child = nodeAsParent.children[offset]\n\n subresult = factory(child, offset, grandparents)()\n\n if (subresult[0] === EXIT) {\n return subresult\n }\n\n offset =\n typeof subresult[1] === 'number' ? subresult[1] : offset + step\n }\n }\n }\n\n return result\n }\n }\n}\n\n/**\n * Turn a return value into a clean result.\n *\n * @param {VisitorResult} value\n * Valid return values from visitors.\n * @returns {Readonly}\n * Clean result.\n */\nfunction toResult(value) {\n if (Array.isArray(value)) {\n return value\n }\n\n if (typeof value === 'number') {\n return [CONTINUE, value]\n }\n\n return value === null || value === undefined ? empty : [value]\n}\n","/**\n * @typedef {import('unist').Node} UnistNode\n * @typedef {import('unist').Parent} UnistParent\n * @typedef {import('unist-util-visit-parents').VisitorResult} VisitorResult\n */\n\n/**\n * @typedef {Exclude | undefined} Test\n * Test from `unist-util-is`.\n *\n * Note: we have remove and add `undefined`, because otherwise when generating\n * automatic `.d.ts` files, TS tries to flatten paths from a local perspective,\n * which doesn’t work when publishing on npm.\n */\n\n// To do: use types from `unist-util-visit-parents` when it’s released.\n\n/**\n * @typedef {(\n * Fn extends (value: any) => value is infer Thing\n * ? Thing\n * : Fallback\n * )} Predicate\n * Get the value of a type guard `Fn`.\n * @template Fn\n * Value; typically function that is a type guard (such as `(x): x is Y`).\n * @template Fallback\n * Value to yield if `Fn` is not a type guard.\n */\n\n/**\n * @typedef {(\n * Check extends null | undefined // No test.\n * ? Value\n * : Value extends {type: Check} // String (type) test.\n * ? Value\n * : Value extends Check // Partial test.\n * ? Value\n * : Check extends Function // Function test.\n * ? Predicate extends Value\n * ? Predicate\n * : never\n * : never // Some other test?\n * )} MatchesOne\n * Check whether a node matches a primitive check in the type system.\n * @template Value\n * Value; typically unist `Node`.\n * @template Check\n * Value; typically `unist-util-is`-compatible test, but not arrays.\n */\n\n/**\n * @typedef {(\n * Check extends Array\n * ? MatchesOne\n * : MatchesOne\n * )} Matches\n * Check whether a node matches a check in the type system.\n * @template Value\n * Value; typically unist `Node`.\n * @template Check\n * Value; typically `unist-util-is`-compatible test.\n */\n\n/**\n * @typedef {0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10} Uint\n * Number; capped reasonably.\n */\n\n/**\n * @typedef {I extends 0 ? 1 : I extends 1 ? 2 : I extends 2 ? 3 : I extends 3 ? 4 : I extends 4 ? 5 : I extends 5 ? 6 : I extends 6 ? 7 : I extends 7 ? 8 : I extends 8 ? 9 : 10} Increment\n * Increment a number in the type system.\n * @template {Uint} [I=0]\n * Index.\n */\n\n/**\n * @typedef {(\n * Node extends UnistParent\n * ? Node extends {children: Array}\n * ? Child extends Children ? Node : never\n * : never\n * : never\n * )} InternalParent\n * Collect nodes that can be parents of `Child`.\n * @template {UnistNode} Node\n * All node types in a tree.\n * @template {UnistNode} Child\n * Node to search for.\n */\n\n/**\n * @typedef {InternalParent, Child>} Parent\n * Collect nodes in `Tree` that can be parents of `Child`.\n * @template {UnistNode} Tree\n * All node types in a tree.\n * @template {UnistNode} Child\n * Node to search for.\n */\n\n/**\n * @typedef {(\n * Depth extends Max\n * ? never\n * :\n * | InternalParent\n * | InternalAncestor, Max, Increment>\n * )} InternalAncestor\n * Collect nodes in `Tree` that can be ancestors of `Child`.\n * @template {UnistNode} Node\n * All node types in a tree.\n * @template {UnistNode} Child\n * Node to search for.\n * @template {Uint} [Max=10]\n * Max; searches up to this depth.\n * @template {Uint} [Depth=0]\n * Current depth.\n */\n\n/**\n * @typedef {(\n * Tree extends UnistParent\n * ? Depth extends Max\n * ? Tree\n * : Tree | InclusiveDescendant>\n * : Tree\n * )} InclusiveDescendant\n * Collect all (inclusive) descendants of `Tree`.\n *\n * > 👉 **Note**: for performance reasons, this seems to be the fastest way to\n * > recurse without actually running into an infinite loop, which the\n * > previous version did.\n * >\n * > Practically, a max of `2` is typically enough assuming a `Root` is\n * > passed, but it doesn’t improve performance.\n * > It gets higher with `List > ListItem > Table > TableRow > TableCell`.\n * > Using up to `10` doesn’t hurt or help either.\n * @template {UnistNode} Tree\n * Tree type.\n * @template {Uint} [Max=10]\n * Max; searches up to this depth.\n * @template {Uint} [Depth=0]\n * Current depth.\n */\n\n/**\n * @callback Visitor\n * Handle a node (matching `test`, if given).\n *\n * Visitors are free to transform `node`.\n * They can also transform `parent`.\n *\n * Replacing `node` itself, if `SKIP` is not returned, still causes its\n * descendants to be walked (which is a bug).\n *\n * When adding or removing previous siblings of `node` (or next siblings, in\n * case of reverse), the `Visitor` should return a new `Index` to specify the\n * sibling to traverse after `node` is traversed.\n * Adding or removing next siblings of `node` (or previous siblings, in case\n * of reverse) is handled as expected without needing to return a new `Index`.\n *\n * Removing the children property of `parent` still results in them being\n * traversed.\n * @param {Visited} node\n * Found node.\n * @param {Visited extends UnistNode ? number | undefined : never} index\n * Index of `node` in `parent`.\n * @param {Ancestor extends UnistParent ? Ancestor | undefined : never} parent\n * Parent of `node`.\n * @returns {VisitorResult}\n * What to do next.\n *\n * An `Index` is treated as a tuple of `[CONTINUE, Index]`.\n * An `Action` is treated as a tuple of `[Action]`.\n *\n * Passing a tuple back only makes sense if the `Action` is `SKIP`.\n * When the `Action` is `EXIT`, that action can be returned.\n * When the `Action` is `CONTINUE`, `Index` can be returned.\n * @template {UnistNode} [Visited=UnistNode]\n * Visited node type.\n * @template {UnistParent} [Ancestor=UnistParent]\n * Ancestor type.\n */\n\n/**\n * @typedef {Visitor>} BuildVisitorFromMatch\n * Build a typed `Visitor` function from a node and all possible parents.\n *\n * It will infer which values are passed as `node` and which as `parent`.\n * @template {UnistNode} Visited\n * Node type.\n * @template {UnistParent} Ancestor\n * Parent type.\n */\n\n/**\n * @typedef {(\n * BuildVisitorFromMatch<\n * Matches,\n * Extract\n * >\n * )} BuildVisitorFromDescendants\n * Build a typed `Visitor` function from a list of descendants and a test.\n *\n * It will infer which values are passed as `node` and which as `parent`.\n * @template {UnistNode} Descendant\n * Node type.\n * @template {Test} Check\n * Test type.\n */\n\n/**\n * @typedef {(\n * BuildVisitorFromDescendants<\n * InclusiveDescendant,\n * Check\n * >\n * )} BuildVisitor\n * Build a typed `Visitor` function from a tree and a test.\n *\n * It will infer which values are passed as `node` and which as `parent`.\n * @template {UnistNode} [Tree=UnistNode]\n * Node type.\n * @template {Test} [Check=Test]\n * Test type.\n */\n\nimport {visitParents} from 'unist-util-visit-parents'\n\nexport {CONTINUE, EXIT, SKIP} from 'unist-util-visit-parents'\n\n/**\n * Visit nodes.\n *\n * This algorithm performs *depth-first* *tree traversal* in *preorder*\n * (**NLR**) or if `reverse` is given, in *reverse preorder* (**NRL**).\n *\n * You can choose for which nodes `visitor` is called by passing a `test`.\n * For complex tests, you should test yourself in `visitor`, as it will be\n * faster and will have improved type information.\n *\n * Walking the tree is an intensive task.\n * Make use of the return values of the visitor when possible.\n * Instead of walking a tree multiple times, walk it once, use `unist-util-is`\n * to check if a node matches, and then perform different operations.\n *\n * You can change the tree.\n * See `Visitor` for more info.\n *\n * @overload\n * @param {Tree} tree\n * @param {Check} check\n * @param {BuildVisitor} visitor\n * @param {boolean | null | undefined} [reverse]\n * @returns {undefined}\n *\n * @overload\n * @param {Tree} tree\n * @param {BuildVisitor} visitor\n * @param {boolean | null | undefined} [reverse]\n * @returns {undefined}\n *\n * @param {UnistNode} tree\n * Tree to traverse.\n * @param {Visitor | Test} testOrVisitor\n * `unist-util-is`-compatible test (optional, omit to pass a visitor).\n * @param {Visitor | boolean | null | undefined} [visitorOrReverse]\n * Handle each node (when test is omitted, pass `reverse`).\n * @param {boolean | null | undefined} [maybeReverse=false]\n * Traverse in reverse preorder (NRL) instead of the default preorder (NLR).\n * @returns {undefined}\n * Nothing.\n *\n * @template {UnistNode} Tree\n * Node type.\n * @template {Test} Check\n * `unist-util-is`-compatible test.\n */\nexport function visit(tree, testOrVisitor, visitorOrReverse, maybeReverse) {\n /** @type {boolean | null | undefined} */\n let reverse\n /** @type {Test} */\n let test\n /** @type {Visitor} */\n let visitor\n\n if (\n typeof testOrVisitor === 'function' &&\n typeof visitorOrReverse !== 'function'\n ) {\n test = undefined\n visitor = testOrVisitor\n reverse = visitorOrReverse\n } else {\n // @ts-expect-error: assume the overload with test was given.\n test = testOrVisitor\n // @ts-expect-error: assume the overload with test was given.\n visitor = visitorOrReverse\n reverse = maybeReverse\n }\n\n visitParents(tree, test, overload, reverse)\n\n /**\n * @param {UnistNode} node\n * @param {Array} parents\n */\n function overload(node, parents) {\n const parent = parents[parents.length - 1]\n const index = parent ? parent.children.indexOf(node) : undefined\n return visitor(node, index, parent)\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 def = state.definitionById.get(id)\n\n  if (!def) {\n    return revert(state, node)\n  }\n\n  /** @type {Properties} */\n  const properties = {src: normalizeUri(def.url || ''), alt: node.alt}\n\n  if (def.title !== null && def.title !== undefined) {\n    properties.title = def.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 def = state.definitionById.get(id)\n\n  if (!def) {\n    return revert(state, node)\n  }\n\n  /** @type {Properties} */\n  const properties = {href: normalizeUri(def.url || '')}\n\n  if (def.title !== null && def.title !== undefined) {\n    properties.title = def.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('./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 {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","/**\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 * @typedef {import('hast').Root} HastRoot\n * @typedef {import('mdast').Root} MdastRoot\n * @typedef {import('mdast-util-to-hast').Options} Options\n * @typedef {import('unified').Processor} Processor\n * @typedef {import('vfile').VFile} VFile\n */\n\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} */ (toHast(tree, options))\n      await destination.run(hastTree, file)\n    }\n  }\n\n  /**\n   * @type {TransformMutate}\n   */\n  return function (tree) {\n    // Cast because root in -> root out.\n    return /** @type {HastRoot} */ (toHast(tree, options || destination))\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","/**\n * @typedef {(error?: Error|null|undefined, ...output: Array) => void} Callback\n * @typedef {(...input: Array) => any} Middleware\n *\n * @typedef {(...input: Array) => void} Run\n *   Call all middleware.\n * @typedef {(fn: Middleware) => Pipeline} Use\n *   Add `fn` (middleware) to the list.\n * @typedef {{run: Run, use: Use}} Pipeline\n *   Middleware.\n */\n\n/**\n * Create new middleware.\n *\n * @returns {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`.\n * Can be sync or async; return a promise, receive a callback, or return new\n * values and errors.\n *\n * @param {Middleware} middleware\n * @param {Callback} callback\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 instanceof Promise) {\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   * @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 path = {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} [ext]\n *   Extension to strip.\n * @returns {string}\n *   Stem or basename.\n */\nfunction basename(path, ext) {\n  if (ext !== undefined && typeof ext !== '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 (ext === undefined || ext.length === 0 || ext.length > path.length) {\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 (ext === path) {\n    return ''\n  }\n\n  let firstNonSlashEnd = -1\n  let extIndex = ext.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 (extIndex > -1) {\n        // Try to match the explicit extension.\n        if (path.codePointAt(index) === ext.codePointAt(extIndex--)) {\n          if (extIndex < 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          extIndex = -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 proc = {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 * @typedef {import('unist').Node} Node\n * @typedef {import('unist').Point} Point\n * @typedef {import('unist').Position} Position\n * @typedef {import('vfile-message').Options} MessageOptions\n * @typedef {import('../index.js').Data} Data\n * @typedef {import('../index.js').Value} Value\n */\n\n/**\n * @typedef {object & {type: string, position?: Position | undefined}} NodeLike\n *\n * @typedef {Options | URL | VFile | Value} Compatible\n *   Things that can be passed to the constructor.\n *\n * @typedef VFileCoreOptions\n *   Set multiple values.\n * @property {string | null | undefined} [basename]\n *   Set `basename` (name).\n * @property {string | null | undefined} [cwd]\n *   Set `cwd` (working directory).\n * @property {Data | null | undefined} [data]\n *   Set `data` (associated info).\n * @property {string | null | undefined} [dirname]\n *   Set `dirname` (path w/o basename).\n * @property {string | null | undefined} [extname]\n *   Set `extname` (extension with dot).\n * @property {Array | null | undefined} [history]\n *   Set `history` (paths the file moved between).\n * @property {URL | string | null | undefined} [path]\n *   Set `path` (current path).\n * @property {string | null | undefined} [stem]\n *   Set `stem` (name without extension).\n * @property {Value | null | undefined} [value]\n *   Set `value` (the contents of the file).\n *\n * @typedef Map\n *   Raw source map.\n *\n *   See:\n *   .\n * @property {number} version\n *   Which version of the source map spec this map is following.\n * @property {Array} sources\n *   An array of URLs to the original source files.\n * @property {Array} names\n *   An array of identifiers which can be referenced by individual mappings.\n * @property {string | undefined} [sourceRoot]\n *   The URL root from which all sources are relative.\n * @property {Array | undefined} [sourcesContent]\n *   An array of contents of the original source files.\n * @property {string} mappings\n *   A string of base64 VLQs which contain the actual mappings.\n * @property {string} file\n *   The generated file this source map is associated with.\n *\n * @typedef {Record & VFileCoreOptions} Options\n *   Configuration.\n *\n *   A bunch of keys that will be shallow copied over to the new file.\n *\n * @typedef {Record} ReporterSettings\n *   Configuration for reporters.\n */\n\n/**\n * @template [Settings=ReporterSettings]\n *   Options type.\n * @callback Reporter\n *   Type for a reporter.\n * @param {Array} files\n *   Files to report.\n * @param {Settings} options\n *   Configuration.\n * @returns {string}\n *   Report.\n */\n\nimport {VFileMessage} from 'vfile-message'\nimport {path} from 'vfile/do-not-use-conditional-minpath'\nimport {proc} from 'vfile/do-not-use-conditional-minproc'\nimport {urlToPath, isUrl} from 'vfile/do-not-use-conditional-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    this.cwd = proc.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 prop = order[index]\n\n      // Note: we specifically use `in` instead of `hasOwnProperty` to accept\n      // `vfile`s too.\n      if (\n        prop in options &&\n        options[prop] !== undefined &&\n        options[prop] !== null\n      ) {\n        // @ts-expect-error: TS doesn’t understand basic reality.\n        this[prop] = prop === 'history' ? [...options[prop]] : options[prop]\n      }\n    }\n\n    /** @type {string} */\n    let prop\n\n    // Set non-path related properties.\n    for (prop in options) {\n      // @ts-expect-error: fine to set other things.\n      if (!order.includes(prop)) {\n        // @ts-expect-error: fine to set other things.\n        this[prop] = options[prop]\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' ? path.basename(this.path) : 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 = path.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' ? path.dirname(this.path) : 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 = path.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' ? path.extname(this.path) : 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 = path.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      ? path.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 = path.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(path.sep)) {\n    throw new Error(\n      '`' + name + '` cannot be a path: did not expect `' + path.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 func = proto[property]\n        /** @type {(...parameters: Array) => unknown} */\n        const apply = function () {\n          return func.apply(apply, arguments)\n        }\n\n        Object.setPrototypeOf(apply, proto)\n\n        const names = Object.getOwnPropertyNames(func)\n\n        for (const p of names) {\n          const descriptor = Object.getOwnPropertyDescriptor(func, 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 *   {@link CompileResultMap `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 {@link Node `Node`}\n *   and {@link VFile `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 *   > {@link CompileResultMap `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 *   {@link VFile `VFile`} of the document to parse.\n *   It must return the syntax tree representation of the given file\n *   ({@link Node `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 {@link Transformer `Transformer`}, this\n *       should be the node it expects.\n *   *   If the plugin sets a {@link Parser `Parser`}, this should be\n *       `string`.\n *   *   If the plugin sets a {@link Compiler `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 {@link Transformer `Transformer`}, this\n *       should be the node that that yields.\n *   *   If the plugin sets a {@link Parser `Parser`}, this should be the\n *       node that it yields.\n *   *   If the plugin sets a {@link Compiler `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 {@link Transformer `Transformer`}, this\n *       should be the node it expects.\n *   *   If the plugin sets a {@link Parser `Parser`}, this should be\n *       `string`.\n *   *   If the plugin sets a {@link Compiler `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 {@link Transformer `Transformer`}, this\n *       should be the node that that yields.\n *   *   If the plugin sets a {@link Parser `Parser`}, this should be the\n *       node that it yields.\n *   *   If the plugin sets a {@link Compiler `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 {@link VFile `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 {@link VFile `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 ({@link Processor `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   * > {@link Data `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   *   > {@link CompileResultMap `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   *   > {@link CompileResultMap `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   *   > {@link CompileResultMap `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 * @typedef {import('mdast').Link} Link\n * @typedef {import('mdast').PhrasingContent} PhrasingContent\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 * @typedef {import('mdast-util-from-markdown').Transform} FromMarkdownTransform\n *\n * @typedef {import('mdast-util-to-markdown').ConstructName} ConstructName\n * @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension\n *\n * @typedef {import('mdast-util-find-and-replace').RegExpMatchObject} RegExpMatchObject\n * @typedef {import('mdast-util-find-and-replace').ReplaceFunction} ReplaceFunction\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      [/([-.\\w+]+)@([-\\w]+(?:\\.[-\\w]+)+)/g, 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    (!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","/**\n * @typedef Options\n *   Configuration (optional).\n * @property {string|null|ReadonlyArray} [align]\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} [padding=true]\n *   Whether to add a space of padding between delimiters and cells.\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 {boolean} [delimiterStart=true]\n *   Whether to begin each row with the delimiter.\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} [delimiterEnd=true]\n *   Whether to end each row with the delimiter.\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} [alignDelimiters=true]\n *   Whether to align the delimiters.\n *   By default, they are aligned:\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 {(value: string) => number} [stringLength]\n *   Function to detect the length of table cell content.\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, which receives the cell content\n *   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 * @typedef {Options} MarkdownTableOptions\n * @todo\n *   Remove next major.\n */\n\n/**\n * Generate a markdown ([GFM](https://docs.github.com/en/github/writing-on-github/working-with-advanced-formatting/organizing-information-with-tables)) table..\n *\n * @param {ReadonlyArray>} table\n *   Table data (matrix of strings).\n * @param {Options} [options]\n *   Configuration (optional).\n * @returns {string}\n */\nexport function markdownTable(table, options = {}) {\n  const align = (options.align || []).concat()\n  const stringLength = options.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 (options.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      options.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 (options.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 (options.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 (options.delimiterStart !== false && !columnIndex) {\n        line.push('|')\n      }\n\n      if (\n        options.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        !(options.alignDelimiters === false && cell === '') &&\n        (options.delimiterStart !== false || columnIndex)\n      ) {\n        line.push(' ')\n      }\n\n      if (options.alignDelimiters !== false) {\n        line.push(before)\n      }\n\n      line.push(cell)\n\n      if (options.alignDelimiters !== false) {\n        line.push(after)\n      }\n\n      if (options.padding !== false) {\n        line.push(' ')\n      }\n\n      if (\n        options.delimiterEnd !== false ||\n        columnIndex !== mostCellsPerRow - 1\n      ) {\n        line.push('|')\n      }\n    }\n\n    lines.push(\n      options.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 * @returns {string}\n */\nfunction serialize(value) {\n  return value === null || value === undefined ? '' : String(value)\n}\n\n/**\n * @param {string} value\n * @returns {number}\n */\nfunction defaultStringLength(value) {\n  return value.length\n}\n\n/**\n * @param {string|null|undefined} value\n * @returns {number}\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 * @typedef {import('mdast').Blockquote} Blockquote\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').Map} Map\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').ConstructName} ConstructName\n * @typedef {import('../types.js').Unsafe} Unsafe\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 * @typedef {import('mdast').Break} Break\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Code} Code\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').Map} Map\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Emphasis} Emphasis\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\n */\n\nimport {checkEmphasis} from '../util/check-emphasis.js'\n\nemphasis.peek = emphasisPeek\n\n// To do: there are cases where emphasis cannot “form” depending on the\n// previous or next character of sequences.\n// There’s no way around that though, except for injecting zero-width stuff.\n// Do we need to safeguard against that?\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  let value = tracker.move(marker)\n  value += tracker.move(\n    state.containerPhrasing(node, {\n      before: value,\n      after: marker,\n      ...tracker.current()\n    })\n  )\n  value += tracker.move(marker)\n  exit()\n  return value\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Html} Html\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 * @typedef {import('mdast').Image} Image\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').ImageReference} ImageReference\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').InlineCode} InlineCode\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Link} Link\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Link} Link\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Exit} Exit\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').LinkReference} LinkReference\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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').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 PhrasingContent} */\n  (\n    convert([\n      'break',\n      'delete',\n      'emphasis',\n      'footnote',\n      'footnoteReference',\n      'image',\n      'imageReference',\n      'inlineCode',\n      'link',\n      'linkReference',\n      'strong',\n      'text'\n    ])\n  )\n","/**\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('mdast').Strong} Strong\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\n */\n\nimport {checkStrong} from '../util/check-strong.js'\n\nstrong.peek = strongPeek\n\n// To do: there are cases where emphasis cannot “form” depending on the\n// previous or next character of sequences.\n// There’s no way around that though, except for injecting zero-width stuff.\n// Do we need to safeguard against that?\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  let value = tracker.move(marker + marker)\n  value += tracker.move(\n    state.containerPhrasing(node, {\n      before: value,\n      after: marker,\n      ...tracker.current()\n    })\n  )\n  value += tracker.move(marker + marker)\n  exit()\n  return value\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Code} Code\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Definition} Definition\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Heading} Heading\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\n */\n\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 =\n      '&#x' +\n      value.charCodeAt(0).toString(16).toUpperCase() +\n      ';' +\n      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 * @typedef {import('mdast').Heading} Heading\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').List} List\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').ListItem} ListItem\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').Map} Map\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Paragraph} Paragraph\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Parents} Parents\n * @typedef {import('mdast').Root} Root\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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  const fn = hasPhrasing ? state.containerPhrasing : state.containerFlow\n  return fn.call(state, node, info)\n}\n","/**\n * @typedef {import('mdast').Parents} Parents\n * @typedef {import('mdast').Text} Text\n * @typedef {import('../types.js').Info} Info\n * @typedef {import('../types.js').State} State\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 * @typedef {import('mdast').Parents} Parents\n * @typedef {import('mdast').ThematicBreak} ThematicBreak\n * @typedef {import('../types.js').State} State\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 * @typedef {import('../types.js').Options} Options\n * @typedef {import('../types.js').State} State\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 * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').ConstructRecord} ConstructRecord\n * @typedef {import('micromark-util-types').Event} Event\n * @typedef {import('micromark-util-types').Extension} Extension\n * @typedef {import('micromark-util-types').Previous} Previous\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {\n  asciiAlpha,\n  asciiAlphanumeric,\n  asciiControl,\n  markdownLineEndingOrSpace,\n  unicodePunctuation,\n  unicodeWhitespace\n} 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  tokenize: tokenizeWwwAutolink,\n  previous: previousWww\n}\nconst protocolAutolink = {\n  tokenize: tokenizeProtocolAutolink,\n  previous: previousProtocol\n}\nconst 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\n  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 (\n      !gfmAtext(code) ||\n      !previousEmail.call(self, self.previous) ||\n      previousUnbalanced(self.events)\n    ) {\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(\n        emailDomainDotTrail,\n        emailDomainAfter,\n        emailDomainDot\n      )(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 (\n      (code !== 87 && code !== 119) ||\n      !previousWww.call(self, self.previous) ||\n      previousUnbalanced(self.events)\n    ) {\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(\n      wwwPrefix,\n      effects.attempt(domain, effects.attempt(path, wwwAfter), nok),\n      nok\n    )(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 (\n      (code === 72 || code === 104) &&\n      previousProtocol.call(self, self.previous) &&\n      !previousUnbalanced(self.events)\n    ) {\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 ||\n      asciiControl(code) ||\n      markdownLineEndingOrSpace(code) ||\n      unicodeWhitespace(code) ||\n      unicodePunctuation(code)\n      ? nok(code)\n      : 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 (\n      code === null ||\n      markdownLineEndingOrSpace(code) ||\n      unicodeWhitespace(code) ||\n      (code !== 45 && unicodePunctuation(code))\n    ) {\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 (\n      code === 33 ||\n      code === 34 ||\n      code === 38 ||\n      code === 39 ||\n      code === 41 ||\n      code === 42 ||\n      code === 44 ||\n      code === 46 ||\n      code === 58 ||\n      code === 59 ||\n      code === 60 ||\n      code === 63 ||\n      code === 93 ||\n      code === 95 ||\n      code === 126\n    ) {\n      return effects.check(trail, ok, pathAtPunctuation)(code)\n    }\n    if (\n      code === null ||\n      markdownLineEndingOrSpace(code) ||\n      unicodeWhitespace(code)\n    ) {\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 (\n      code === 33 ||\n      code === 34 ||\n      code === 39 ||\n      code === 41 ||\n      code === 42 ||\n      code === 44 ||\n      code === 46 ||\n      code === 58 ||\n      code === 59 ||\n      code === 63 ||\n      code === 95 ||\n      code === 126\n    ) {\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 trailCharRefStart\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 ||\n      markdownLineEndingOrSpace(code) ||\n      unicodeWhitespace(code)\n    ) {\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 (\n      code === null ||\n      code === 40 ||\n      code === 91 ||\n      markdownLineEndingOrSpace(code) ||\n      unicodeWhitespace(code)\n    ) {\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 trailCharRefStart(code) {\n    // When non-alpha, it’s not a trail.\n    return asciiAlpha(code) ? trailCharRefInside(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 trailCharRefInside(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 trailCharRefInside\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 (\n    code === null ||\n    code === 40 ||\n    code === 42 ||\n    code === 95 ||\n    code === 91 ||\n    code === 93 ||\n    code === 126 ||\n    markdownLineEndingOrSpace(code)\n  )\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 (\n    code === 43 ||\n    code === 45 ||\n    code === 46 ||\n    code === 95 ||\n    asciiAlphanumeric(code)\n  )\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 (\n      (token.type === 'labelLink' || token.type === 'labelImage') &&\n      !token._balanced\n    ) {\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","/**\n * @typedef {import('micromark-util-types').Event} Event\n * @typedef {import('micromark-util-types').Exiter} Exiter\n * @typedef {import('micromark-util-types').Extension} Extension\n * @typedef {import('micromark-util-types').Resolver} Resolver\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').Token} Token\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\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        tokenize: tokenizeDefinitionStart,\n        continuation: {\n          tokenize: tokenizeDefinitionContinuation\n        },\n        exit: gfmFootnoteDefinitionEnd\n      }\n    },\n    text: {\n      [91]: {\n        tokenize: tokenizeGfmFootnoteCall\n      },\n      [93]: {\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 (\n      token.type === 'gfmFootnoteCall' ||\n      token.type === 'labelLink' ||\n      token.type === 'label' ||\n      token.type === 'image' ||\n      token.type === 'link'\n    ) {\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(\n      self.sliceSerialize({\n        start: labelStart.end,\n        end: self.now()\n      })\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 (\n      events[index][1].type === 'labelImage' &&\n      events[index][0] === 'enter'\n    ) {\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],\n    events[index + 2],\n    ['enter', call, context],\n    // The `[`\n    events[index + 3],\n    events[index + 4],\n    // The `^`.\n    ['enter', marker, context],\n    ['exit', marker, context],\n    // Everything in between.\n    ['enter', string, context],\n    ['enter', chunk, context],\n    ['exit', chunk, context],\n    ['exit', string, context],\n    // The ending (`]`, properly parsed and labelled).\n    events[events.length - 2],\n    events[events.length - 1],\n    ['exit', call, context]\n  ]\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 ||\n      code === 91 ||\n      markdownLineEndingOrSpace(code)\n    ) {\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 ||\n      code === 91 ||\n      markdownLineEndingOrSpace(code)\n    ) {\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(\n        effects,\n        whitespaceAfter,\n        'gfmFootnoteDefinitionWhitespace'\n      )\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(\n    effects,\n    afterPrefix,\n    'gfmFootnoteDefinitionIndent',\n    4 + 1\n  )\n\n  /**\n   * @type {State}\n   */\n  function afterPrefix(code) {\n    const tail = self.events[self.events.length - 1]\n    return tail &&\n      tail[1].type === 'gfmFootnoteDefinitionIndent' &&\n      tail[2].sliceSerialize(tail[1], true).length === 4\n      ? ok(code)\n      : nok(code)\n  }\n}\n","/**\n * @typedef {import('micromark-util-types').Event} Event\n * @typedef {import('micromark-util-types').Extension} Extension\n * @typedef {import('micromark-util-types').Resolver} Resolver\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').Token} Token\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n *\n * @typedef Options\n *   Configuration (optional).\n * @property {boolean | null | undefined} [singleTilde=true]\n *   Whether to support strikethrough with a single tilde (default: `true`).\n *\n *   Single tildes work on github.com, but are technically prohibited by the\n *   GFM spec.\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    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 (\n        events[index][0] === 'enter' &&\n        events[index][1].type === 'strikethroughSequenceTemporary' &&\n        events[index][1]._close\n      ) {\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 (\n            events[open][0] === 'exit' &&\n            events[open][1].type === 'strikethroughSequenceTemporary' &&\n            events[open][1]._open &&\n            // If the sizes are the same:\n            events[index][1].end.offset - events[index][1].start.offset ===\n              events[open][1].end.offset - events[open][1].start.offset\n          ) {\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 = [\n              ['enter', strikethrough, context],\n              ['enter', events[open][1], context],\n              ['exit', events[open][1], context],\n              ['enter', text, context]\n            ]\n            const insideSpan = context.parser.constructs.insideSpan.null\n            if (insideSpan) {\n              // Between.\n              splice(\n                nextEvents,\n                nextEvents.length,\n                0,\n                resolveAll(insideSpan, events.slice(open + 1, index), context)\n              )\n            }\n\n            // Closing.\n            splice(nextEvents, nextEvents.length, 0, [\n              ['exit', text, context],\n              ['enter', events[index][1], context],\n              ['exit', events[index][1], context],\n              ['exit', strikethrough, context]\n            ])\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 (\n        previous === 126 &&\n        events[events.length - 1][1].type !== 'characterEscape'\n      ) {\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","/**\n * @typedef {import('micromark-util-types').Event} Event\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    addImpl(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  //   addImpl(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(\n        events.slice(this.map[index][0] + this.map[index][1]),\n        this.map[index][2]\n      )\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 addImpl(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","/**\n * @typedef {import('micromark-util-types').Event} Event\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(\n            events[index + 1][1].type === 'tableDelimiterMarker'\n              ? 'left'\n              : 'none'\n          )\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","/**\n * @typedef {import('micromark-util-types').Event} Event\n * @typedef {import('micromark-util-types').Extension} Extension\n * @typedef {import('micromark-util-types').Point} Point\n * @typedef {import('micromark-util-types').Resolver} Resolver\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').Token} Token\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\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 {\n  markdownLineEnding,\n  markdownLineEndingOrSpace,\n  markdownSpace\n} 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        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 (\n        type === 'lineEnding' ||\n        // Note: markdown-rs uses `whitespace` instead of `linePrefix`\n        type === 'linePrefix'\n      )\n        index--\n      else break\n    }\n    const tail = index > -1 ? self.events[index][1].type : null\n    const next =\n      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(\n        effects,\n        headDelimiterBefore,\n        'linePrefix',\n        self.parser.constructs.disable.null.includes('codeIndented')\n          ? undefined\n          : 4\n      )(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 (\n        token.type === 'tableRow' ||\n        token.type === 'tableDelimiterRow'\n      ) {\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 (\n        rowKind &&\n        (token.type === 'data' ||\n          token.type === 'tableDelimiterMarker' ||\n          token.type === 'tableDelimiterFiller')\n      ) {\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(\n              map,\n              context,\n              lastCell,\n              rowKind,\n              undefined,\n              currentCell\n            )\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(\n              map,\n              context,\n              lastCell,\n              rowKind,\n              undefined,\n              currentCell\n            )\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 (\n      token.type === 'tableRow' ||\n      token.type === 'tableDelimiterRow'\n    ) {\n      lastTableEnd = index\n      if (lastCell[1] !== 0) {\n        cell[0] = cell[1]\n        currentCell = flushCell(\n          map,\n          context,\n          lastCell,\n          rowKind,\n          index,\n          currentCell\n        )\n      } else if (cell[1] !== 0) {\n        currentCell = flushCell(map, context, cell, rowKind, index, currentCell)\n      }\n      rowKind = 0\n    } else if (\n      rowKind &&\n      (token.type === 'data' ||\n        token.type === 'tableDelimiterMarker' ||\n        token.type === 'tableDelimiterFiller')\n    ) {\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 =\n    rowKind === 1\n      ? 'tableHeader'\n      : rowKind === 2\n      ? 'tableDelimiter'\n      : '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","/**\n * @typedef {import('micromark-util-types').Extension} Extension\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').Tokenizer} Tokenizer\n */\n\nimport {factorySpace} from 'micromark-factory-space'\nimport {\n  markdownLineEnding,\n  markdownLineEndingOrSpace,\n  markdownSpace\n} from 'micromark-util-character'\nconst 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    ) {\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        {\n          tokenize: spaceThenNonSpace\n        },\n        ok,\n        nok\n      )(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/**\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","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Properties} Properties\n */\n\n/**\n * @template {string} SimpleSelector\n *   Selector type.\n * @template {string} DefaultTagName\n *   Default tag name.\n * @typedef {(\n *   SimpleSelector extends ''\n *     ? DefaultTagName\n *     : SimpleSelector extends `${infer TagName}.${infer Rest}`\n *     ? ExtractTagName\n *     : SimpleSelector extends `${infer TagName}#${infer Rest}`\n *     ? ExtractTagName\n *     : SimpleSelector extends string\n *     ? SimpleSelector\n *     : DefaultTagName\n * )} ExtractTagName\n *   Extract tag name from a simple selector.\n */\n\nconst search = /[#.]/g\n\n/**\n * Create a hast element from a simple CSS selector.\n *\n * @template {string} Selector\n *   Type of selector.\n * @template {string} [DefaultTagName='div']\n *   Type of default tag name (default: `'div'`).\n * @param {Selector | null | undefined} [selector]\n *   Simple CSS selector (optional).\n *\n *   Can contain a tag name (`foo`), classes (`.bar`), and an ID (`#baz`).\n *   Multiple classes are allowed.\n *   Uses the last ID if multiple IDs are found.\n * @param {DefaultTagName | null | undefined} [defaultTagName='div']\n *   Tag name to use if `selector` does not specify one (default: `'div'`).\n * @returns {Element & {tagName: ExtractTagName}}\n *   Built element.\n */\nexport function parseSelector(selector, defaultTagName) {\n  const value = selector || ''\n  /** @type {Properties} */\n  const props = {}\n  let start = 0\n  /** @type {string | undefined} */\n  let previous\n  /** @type {string | undefined} */\n  let tagName\n\n  while (start < value.length) {\n    search.lastIndex = start\n    const match = search.exec(value)\n    const subvalue = value.slice(start, match ? match.index : value.length)\n\n    if (subvalue) {\n      if (!previous) {\n        tagName = subvalue\n      } else if (previous === '#') {\n        props.id = subvalue\n      } else if (Array.isArray(props.className)) {\n        props.className.push(subvalue)\n      } else {\n        props.className = [subvalue]\n      }\n\n      start += subvalue.length\n    }\n\n    if (match) {\n      previous = match[0]\n      start++\n    }\n  }\n\n  return {\n    type: 'element',\n    // @ts-expect-error: tag name is parsed.\n    tagName: tagName || defaultTagName || 'div',\n    properties: props,\n    children: []\n  }\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Nodes} Nodes\n * @typedef {import('hast').Root} Root\n * @typedef {import('hast').RootContent} RootContent\n *\n * @typedef {import('property-information').Info} Info\n * @typedef {import('property-information').Schema} Schema\n */\n\n/**\n * @typedef {Element | Root} Result\n *   Result from a `h` (or `s`) call.\n *\n * @typedef {number | string} StyleValue\n *   Value for a CSS style field.\n * @typedef {Record} Style\n *   Supported value of a `style` prop.\n * @typedef {boolean | number | string | null | undefined} PrimitiveValue\n *   Primitive property value.\n * @typedef {Array} ArrayValue\n *   List of property values for space- or comma separated values (such as `className`).\n * @typedef {ArrayValue | PrimitiveValue} PropertyValue\n *   Primitive value or list value.\n * @typedef {{[property: string]: PropertyValue | Style}} Properties\n *   Acceptable value for element properties.\n *\n * @typedef {number | string | null | undefined} PrimitiveChild\n *   Primitive children, either ignored (nullish), or turned into text nodes.\n * @typedef {Array} ArrayChild\n *   List of children.\n * @typedef {Array} ArrayChildNested\n *   List of children (deep).\n * @typedef {ArrayChild | Nodes | PrimitiveChild} Child\n *   Acceptable child value.\n */\n\nimport {parse as commas} from 'comma-separated-tokens'\nimport {parseSelector} from 'hast-util-parse-selector'\nimport {find, normalize} from 'property-information'\nimport {parse as spaces} from 'space-separated-tokens'\n\nconst buttonTypes = new Set(['button', 'menu', 'reset', 'submit'])\n\nconst own = {}.hasOwnProperty\n\n/**\n * @param {Schema} schema\n *   Schema to use.\n * @param {string} defaultTagName\n *   Default tag name.\n * @param {Array | undefined} [caseSensitive]\n *   Case-sensitive tag names (default: `undefined`).\n * @returns\n *   `h`.\n */\nexport function createH(schema, defaultTagName, caseSensitive) {\n  const adjust = caseSensitive && createAdjustMap(caseSensitive)\n\n  /**\n   * Hyperscript compatible DSL for creating virtual hast trees.\n   *\n   * @overload\n   * @param {null | undefined} [selector]\n   * @param {...Child} children\n   * @returns {Root}\n   *\n   * @overload\n   * @param {string} selector\n   * @param {Properties} properties\n   * @param {...Child} children\n   * @returns {Element}\n   *\n   * @overload\n   * @param {string} selector\n   * @param {...Child} children\n   * @returns {Element}\n   *\n   * @param {string | null | undefined} [selector]\n   *   Selector.\n   * @param {Child | Properties | null | undefined} [properties]\n   *   Properties (or first child) (default: `undefined`).\n   * @param {...Child} children\n   *   Children.\n   * @returns {Result}\n   *   Result.\n   */\n  function h(selector, properties, ...children) {\n    let index = -1\n    /** @type {Result} */\n    let node\n\n    if (selector === undefined || selector === null) {\n      node = {type: 'root', children: []}\n      // Properties are not supported for roots.\n      const child = /** @type {Child} */ (properties)\n      children.unshift(child)\n    } else {\n      node = parseSelector(selector, defaultTagName)\n      // Normalize the name.\n      node.tagName = node.tagName.toLowerCase()\n      if (adjust && own.call(adjust, node.tagName)) {\n        node.tagName = adjust[node.tagName]\n      }\n\n      // Handle props.\n      if (isProperties(properties, node.tagName)) {\n        /** @type {string} */\n        let key\n\n        for (key in properties) {\n          if (own.call(properties, key)) {\n            addProperty(schema, node.properties, key, properties[key])\n          }\n        }\n      } else {\n        children.unshift(properties)\n      }\n    }\n\n    // Handle children.\n    while (++index < children.length) {\n      addChild(node.children, children[index])\n    }\n\n    if (node.type === 'element' && node.tagName === 'template') {\n      node.content = {type: 'root', children: node.children}\n      node.children = []\n    }\n\n    return node\n  }\n\n  return h\n}\n\n/**\n * Check if something is properties or a child.\n *\n * @param {Child | Properties} value\n *   Value to check.\n * @param {string} name\n *   Tag name.\n * @returns {value is Properties}\n *   Whether `value` is a properties object.\n */\nfunction isProperties(value, name) {\n  if (\n    value === null ||\n    value === undefined ||\n    typeof value !== 'object' ||\n    Array.isArray(value)\n  ) {\n    return false\n  }\n\n  if (name === 'input' || !value.type || typeof value.type !== 'string') {\n    return true\n  }\n\n  if ('children' in value && Array.isArray(value.children)) {\n    return false\n  }\n\n  if (name === 'button') {\n    return buttonTypes.has(value.type.toLowerCase())\n  }\n\n  return !('value' in value)\n}\n\n/**\n * @param {Schema} schema\n *   Schema.\n * @param {Properties} properties\n *   Properties object.\n * @param {string} key\n *   Property name.\n * @param {PropertyValue | Style} value\n *   Property value.\n * @returns {undefined}\n *   Nothing.\n */\nfunction addProperty(schema, properties, key, value) {\n  const info = find(schema, key)\n  let index = -1\n  /** @type {PropertyValue} */\n  let result\n\n  // Ignore nullish and NaN values.\n  if (value === undefined || value === null) return\n\n  if (typeof value === 'number') {\n    // Ignore NaN.\n    if (Number.isNaN(value)) return\n\n    result = value\n  }\n  // Booleans.\n  else if (typeof value === 'boolean') {\n    result = value\n  }\n  // Handle list values.\n  else if (typeof value === 'string') {\n    if (info.spaceSeparated) {\n      result = spaces(value)\n    } else if (info.commaSeparated) {\n      result = commas(value)\n    } else if (info.commaOrSpaceSeparated) {\n      result = spaces(commas(value).join(' '))\n    } else {\n      result = parsePrimitive(info, info.property, value)\n    }\n  } else if (Array.isArray(value)) {\n    result = value.concat()\n  } else {\n    result = info.property === 'style' ? style(value) : String(value)\n  }\n\n  if (Array.isArray(result)) {\n    /** @type {Array} */\n    const finalResult = []\n\n    while (++index < result.length) {\n      // Assume no booleans in array.\n      const value = /** @type {number | string} */ (\n        parsePrimitive(info, info.property, result[index])\n      )\n      finalResult[index] = value\n    }\n\n    result = finalResult\n  }\n\n  // Class names (which can be added both on the `selector` and here).\n  if (info.property === 'className' && Array.isArray(properties.className)) {\n    // Assume no booleans in `className`.\n    const value = /** @type {number | string} */ (result)\n    result = properties.className.concat(value)\n  }\n\n  properties[info.property] = result\n}\n\n/**\n * @param {Array} nodes\n *   Children.\n * @param {Child} value\n *   Child.\n * @returns {undefined}\n *   Nothing.\n */\nfunction addChild(nodes, value) {\n  let index = -1\n\n  if (value === undefined || value === null) {\n    // Empty.\n  } else if (typeof value === 'string' || typeof value === 'number') {\n    nodes.push({type: 'text', value: String(value)})\n  } else if (Array.isArray(value)) {\n    while (++index < value.length) {\n      addChild(nodes, value[index])\n    }\n  } else if (typeof value === 'object' && 'type' in value) {\n    if (value.type === 'root') {\n      addChild(nodes, value.children)\n    } else {\n      nodes.push(value)\n    }\n  } else {\n    throw new Error('Expected node, nodes, or string, got `' + value + '`')\n  }\n}\n\n/**\n * Parse a single primitives.\n *\n * @param {Info} info\n *   Property information.\n * @param {string} name\n *   Property name.\n * @param {PrimitiveValue} value\n *   Property value.\n * @returns {PrimitiveValue}\n *   Property value.\n */\nfunction parsePrimitive(info, name, value) {\n  if (typeof value === 'string') {\n    if (info.number && value && !Number.isNaN(Number(value))) {\n      return Number(value)\n    }\n\n    if (\n      (info.boolean || info.overloadedBoolean) &&\n      (value === '' || normalize(value) === normalize(name))\n    ) {\n      return true\n    }\n  }\n\n  return value\n}\n\n/**\n * Serialize a `style` object as a string.\n *\n * @param {Style} value\n *   Style object.\n * @returns {string}\n *   CSS string.\n */\nfunction style(value) {\n  /** @type {Array} */\n  const result = []\n  /** @type {string} */\n  let key\n\n  for (key in value) {\n    if (own.call(value, key)) {\n      result.push([key, value[key]].join(': '))\n    }\n  }\n\n  return result.join('; ')\n}\n\n/**\n * Create a map to adjust casing.\n *\n * @param {Array} values\n *   List of properly cased keys.\n * @returns {Record}\n *   Map of lowercase keys to uppercase keys.\n */\nfunction createAdjustMap(values) {\n  /** @type {Record} */\n  const result = {}\n  let index = -1\n\n  while (++index < values.length) {\n    result[values[index].toLowerCase()] = values[index]\n  }\n\n  return result\n}\n","export const svgCaseSensitiveTagNames = [\n  'altGlyph',\n  'altGlyphDef',\n  'altGlyphItem',\n  'animateColor',\n  'animateMotion',\n  'animateTransform',\n  'clipPath',\n  'feBlend',\n  'feColorMatrix',\n  'feComponentTransfer',\n  'feComposite',\n  'feConvolveMatrix',\n  'feDiffuseLighting',\n  'feDisplacementMap',\n  'feDistantLight',\n  'feDropShadow',\n  'feFlood',\n  'feFuncA',\n  'feFuncB',\n  'feFuncG',\n  'feFuncR',\n  'feGaussianBlur',\n  'feImage',\n  'feMerge',\n  'feMergeNode',\n  'feMorphology',\n  'feOffset',\n  'fePointLight',\n  'feSpecularLighting',\n  'feSpotLight',\n  'feTile',\n  'feTurbulence',\n  'foreignObject',\n  'glyphRef',\n  'linearGradient',\n  'radialGradient',\n  'solidColor',\n  'textArea',\n  'textPath'\n]\n","/**\n * @typedef {import('./create-h.js').Child} Child\n *   Acceptable child value.\n * @typedef {import('./create-h.js').Properties} Properties\n *   Acceptable value for element properties.\n * @typedef {import('./create-h.js').Result} Result\n *   Result from a `h` (or `s`) call.\n */\n\n// Register the JSX namespace on `h`.\n/**\n * @typedef {import('./jsx-classic.js').Element} h.JSX.Element\n * @typedef {import('./jsx-classic.js').ElementChildrenAttribute} h.JSX.ElementChildrenAttribute\n * @typedef {import('./jsx-classic.js').IntrinsicAttributes} h.JSX.IntrinsicAttributes\n * @typedef {import('./jsx-classic.js').IntrinsicElements} h.JSX.IntrinsicElements\n */\n\n// Register the JSX namespace on `s`.\n/**\n * @typedef {import('./jsx-classic.js').Element} s.JSX.Element\n * @typedef {import('./jsx-classic.js').ElementChildrenAttribute} s.JSX.ElementChildrenAttribute\n * @typedef {import('./jsx-classic.js').IntrinsicAttributes} s.JSX.IntrinsicAttributes\n * @typedef {import('./jsx-classic.js').IntrinsicElements} s.JSX.IntrinsicElements\n */\n\nimport {html, svg} from 'property-information'\nimport {createH} from './create-h.js'\nimport {svgCaseSensitiveTagNames} from './svg-case-sensitive-tag-names.js'\n\n// Note: this explicit type is needed, otherwise TS creates broken types.\n/** @type {ReturnType} */\nexport const h = createH(html, 'div')\n\n// Note: this explicit type is needed, otherwise TS creates broken types.\n/** @type {ReturnType} */\nexport const s = createH(svg, 'g', svgCaseSensitiveTagNames)\n","/**\n * @typedef {import('vfile').VFile} VFile\n * @typedef {import('vfile').Value} Value\n * @typedef {import('unist').Point} UnistPoint\n */\n\n/**\n *\n * @typedef PointLike\n *   unist point, allowed as input.\n * @property {number | null | undefined} [line]\n *   Line.\n * @property {number | null | undefined} [column]\n *   Column.\n * @property {number | null | undefined} [offset]\n *   Offset.\n *\n * @callback ToPoint\n *   Get the line/column based `Point` for `offset` in the bound indices.\n *\n *   Returns `undefined` when given out of bounds input.\n *\n *   Also implemented in Rust in [`wooorm/markdown-rs`][markdown-rs].\n *\n *   [markdown-rs]: https://github.com/wooorm/markdown-rs/blob/main/src/util/location.rs\n * @param {number | null | undefined} [offset]\n *   Something that should be an `offset.\n * @returns {UnistPoint | undefined}\n *   Point, if `offset` is valid and in-bounds input.\n *\n * @callback ToOffset\n *   Get the `offset` from a line/column based `Point` in the bound indices.\n * @param {PointLike | null | undefined} [point]\n *   Something that should be a `point.\n * @returns {number | undefined}\n *   Offset (`number`) or `undefined` for invalid or out of bounds input.\n *\n * @typedef Location\n *   Accessors for index.\n * @property {ToPoint} toPoint\n *   Get the line/column based `Point` for `offset` in the bound indices.\n * @property {ToOffset} toOffset\n *   Get the `offset` from a line/column based `Point` in the bound indices.\n */\n\nconst search = /\\r?\\n|\\r/g\n\n/**\n * Create an index of the given document to translate between line/column and\n * offset based positional info.\n *\n * Also implemented in Rust in [`wooorm/markdown-rs`][markdown-rs].\n *\n * [markdown-rs]: https://github.com/wooorm/markdown-rs/blob/main/src/util/location.rs\n *\n * @param {VFile | Value} file\n *   File to index.\n * @returns {Location}\n *   Accessors for index.\n */\nexport function location(file) {\n  const value = String(file)\n  /**\n   * List, where each index is a line number (0-based), and each value is the\n   * byte index *after* where the line ends.\n   *\n   * @type {Array}\n   */\n  const indices = []\n\n  search.lastIndex = 0\n\n  while (search.test(value)) {\n    indices.push(search.lastIndex)\n  }\n\n  indices.push(value.length + 1)\n\n  return {toPoint, toOffset}\n\n  /** @type {ToPoint} */\n  function toPoint(offset) {\n    let index = -1\n\n    if (\n      typeof offset === 'number' &&\n      offset > -1 &&\n      offset < indices[indices.length - 1]\n    ) {\n      while (++index < indices.length) {\n        if (indices[index] > offset) {\n          return {\n            line: index + 1,\n            column: offset - (index > 0 ? indices[index - 1] : 0) + 1,\n            offset\n          }\n        }\n      }\n    }\n  }\n\n  /** @type {ToOffset} */\n  function toOffset(point) {\n    const line = point && point.line\n    const column = point && point.column\n\n    if (\n      typeof line === 'number' &&\n      typeof column === 'number' &&\n      !Number.isNaN(line) &&\n      !Number.isNaN(column) &&\n      line - 1 in indices\n    ) {\n      const offset = (indices[line - 2] || 0) + column - 1 || 0\n\n      if (offset > -1 && offset < indices[indices.length - 1]) {\n        return offset\n      }\n    }\n  }\n}\n","/**\n * Map of web namespaces.\n *\n * @type {Record}\n */\nexport const webNamespaces = {\n  html: 'http://www.w3.org/1999/xhtml',\n  mathml: 'http://www.w3.org/1998/Math/MathML',\n  svg: 'http://www.w3.org/2000/svg',\n  xlink: 'http://www.w3.org/1999/xlink',\n  xml: 'http://www.w3.org/XML/1998/namespace',\n  xmlns: 'http://www.w3.org/2000/xmlns/'\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').ElementData} ElementData\n * @typedef {import('hast').Nodes} Nodes\n * @typedef {import('hast').Root} Root\n * @typedef {import('hast').RootContent} RootContent\n *\n * @typedef {import('parse5').DefaultTreeAdapterMap} DefaultTreeAdapterMap\n * @typedef {import('parse5').Token.ElementLocation} P5ElementLocation\n * @typedef {import('parse5').Token.Location} P5Location\n *\n * @typedef {import('property-information').Schema} Schema\n *\n * @typedef {import('unist').Point} Point\n * @typedef {import('unist').Position} Position\n *\n * @typedef {import('vfile').VFile} VFile\n */\n\n/**\n * @typedef {DefaultTreeAdapterMap['document']} P5Document\n * @typedef {DefaultTreeAdapterMap['documentFragment']} P5DocumentFragment\n * @typedef {DefaultTreeAdapterMap['documentType']} P5DocumentType\n * @typedef {DefaultTreeAdapterMap['commentNode']} P5Comment\n * @typedef {DefaultTreeAdapterMap['textNode']} P5Text\n * @typedef {DefaultTreeAdapterMap['element']} P5Element\n * @typedef {DefaultTreeAdapterMap['node']} P5Node\n * @typedef {DefaultTreeAdapterMap['template']} P5Template\n */\n\n/**\n * @typedef Options\n *   Configuration.\n * @property {Space | null | undefined} [space='html']\n *   Which space the document is in (default: `'html'`).\n *\n *   When an `` element is found in the HTML space, this package already\n *   automatically switches to and from the SVG space when entering and exiting\n *   it.\n * @property {VFile | null | undefined} [file]\n *   File used to add positional info to nodes (optional).\n *\n *   If given, the file should represent the original HTML source.\n * @property {boolean | null | undefined} [verbose=false]\n *   Whether to add extra positional info about starting tags, closing tags,\n *   and attributes to elements (default: `false`).\n *\n *   > 👉 **Note**: only used when `file` is given.\n *\n * @typedef {'html' | 'svg'} Space\n *   Namespace.\n *\n * @typedef State\n *   Info passed around about the current state.\n * @property {VFile | undefined} file\n *   Corresponding file.\n * @property {boolean} location\n *   Whether location info was found.\n * @property {Schema} schema\n *   Current schema.\n * @property {boolean | undefined} verbose\n *   Add extra positional info.\n */\n\nimport {ok as assert} from 'devlop'\nimport {h, s} from 'hastscript'\nimport {find, html, svg} from 'property-information'\nimport {location} from 'vfile-location'\nimport {webNamespaces} from 'web-namespaces'\n\nconst own = {}.hasOwnProperty\n/** @type {unknown} */\n// type-coverage:ignore-next-line\nconst proto = Object.prototype\n\n/**\n * Transform a `parse5` AST to hast.\n *\n * @param {P5Node} tree\n *   `parse5` tree to transform.\n * @param {Options | null | undefined} [options]\n *   Configuration (optional).\n * @returns {Nodes}\n *   hast tree.\n */\nexport function fromParse5(tree, options) {\n  const settings = options || {}\n\n  return one(\n    {\n      file: settings.file || undefined,\n      location: false,\n      schema: settings.space === 'svg' ? svg : html,\n      verbose: settings.verbose || false\n    },\n    tree\n  )\n}\n\n/**\n * Transform a node.\n *\n * @param {State} state\n *   Info passed around about the current state.\n * @param {P5Node} node\n *   p5 node.\n * @returns {Nodes}\n *   hast node.\n */\nfunction one(state, node) {\n  /** @type {Nodes} */\n  let result\n\n  switch (node.nodeName) {\n    case '#comment': {\n      const reference = /** @type {P5Comment} */ (node)\n      result = {type: 'comment', value: reference.data}\n      patch(state, reference, result)\n      return result\n    }\n\n    case '#document':\n    case '#document-fragment': {\n      const reference = /** @type {P5Document | P5DocumentFragment} */ (node)\n      const quirksMode =\n        'mode' in reference\n          ? reference.mode === 'quirks' || reference.mode === 'limited-quirks'\n          : false\n\n      result = {\n        type: 'root',\n        children: all(state, node.childNodes),\n        data: {quirksMode}\n      }\n\n      if (state.file && state.location) {\n        const doc = String(state.file)\n        const loc = location(doc)\n        const start = loc.toPoint(0)\n        const end = loc.toPoint(doc.length)\n        // Always defined as we give valid input.\n        assert(start, 'expected `start`')\n        assert(end, 'expected `end`')\n        result.position = {start, end}\n      }\n\n      return result\n    }\n\n    case '#documentType': {\n      const reference = /** @type {P5DocumentType} */ (node)\n      result = {type: 'doctype'}\n      patch(state, reference, result)\n      return result\n    }\n\n    case '#text': {\n      const reference = /** @type {P5Text} */ (node)\n      result = {type: 'text', value: reference.value}\n      patch(state, reference, result)\n      return result\n    }\n\n    // Element.\n    default: {\n      const reference = /** @type {P5Element} */ (node)\n      result = element(state, reference)\n      return result\n    }\n  }\n}\n\n/**\n * Transform children.\n *\n * @param {State} state\n *   Info passed around about the current state.\n * @param {Array} nodes\n *   Nodes.\n * @returns {Array}\n *   hast nodes.\n */\nfunction all(state, nodes) {\n  let index = -1\n  /** @type {Array} */\n  const results = []\n\n  while (++index < nodes.length) {\n    // Assume no roots in `nodes`.\n    const result = /** @type {RootContent} */ (one(state, nodes[index]))\n    results.push(result)\n  }\n\n  return results\n}\n\n/**\n * Transform an element.\n *\n * @param {State} state\n *   Info passed around about the current state.\n * @param {P5Element} node\n *   `parse5` node to transform.\n * @returns {Element}\n *   hast node.\n */\nfunction element(state, node) {\n  const schema = state.schema\n\n  state.schema = node.namespaceURI === webNamespaces.svg ? svg : html\n\n  // Props.\n  let index = -1\n  /** @type {Record} */\n  const props = {}\n\n  while (++index < node.attrs.length) {\n    const attribute = node.attrs[index]\n    const name =\n      (attribute.prefix ? attribute.prefix + ':' : '') + attribute.name\n    if (!own.call(proto, name)) {\n      props[name] = attribute.value\n    }\n  }\n\n  // Build.\n  const fn = state.schema.space === 'svg' ? s : h\n  const result = fn(node.tagName, props, all(state, node.childNodes))\n  patch(state, node, result)\n\n  // Switch content.\n  if (result.tagName === 'template') {\n    const reference = /** @type {P5Template} */ (node)\n    const pos = reference.sourceCodeLocation\n    const startTag = pos && pos.startTag && position(pos.startTag)\n    const endTag = pos && pos.endTag && position(pos.endTag)\n\n    // Root in, root out.\n    const content = /** @type {Root} */ (one(state, reference.content))\n\n    if (startTag && endTag && state.file) {\n      content.position = {start: startTag.end, end: endTag.start}\n    }\n\n    result.content = content\n  }\n\n  state.schema = schema\n\n  return result\n}\n\n/**\n * Patch positional info from `from` onto `to`.\n *\n * @param {State} state\n *   Info passed around about the current state.\n * @param {P5Node} from\n *   p5 node.\n * @param {Nodes} to\n *   hast node.\n * @returns {undefined}\n *   Nothing.\n */\nfunction patch(state, from, to) {\n  if ('sourceCodeLocation' in from && from.sourceCodeLocation && state.file) {\n    const position = createLocation(state, to, from.sourceCodeLocation)\n\n    if (position) {\n      state.location = true\n      to.position = position\n    }\n  }\n}\n\n/**\n * Create clean positional information.\n *\n * @param {State} state\n *   Info passed around about the current state.\n * @param {Nodes} node\n *   hast node.\n * @param {P5ElementLocation} location\n *   p5 location info.\n * @returns {Position | undefined}\n *   Position, or nothing.\n */\nfunction createLocation(state, node, location) {\n  const result = position(location)\n\n  if (node.type === 'element') {\n    const tail = node.children[node.children.length - 1]\n\n    // Bug for unclosed with children.\n    // See: .\n    if (\n      result &&\n      !location.endTag &&\n      tail &&\n      tail.position &&\n      tail.position.end\n    ) {\n      result.end = Object.assign({}, tail.position.end)\n    }\n\n    if (state.verbose) {\n      /** @type {Record} */\n      const props = {}\n      /** @type {string} */\n      let key\n\n      if (location.attrs) {\n        for (key in location.attrs) {\n          if (own.call(location.attrs, key)) {\n            props[find(state.schema, key).property] = position(\n              location.attrs[key]\n            )\n          }\n        }\n      }\n\n      assert(location.startTag, 'a start tag should exist')\n      const opening = position(location.startTag)\n      const closing = location.endTag ? position(location.endTag) : undefined\n      /** @type {ElementData['position']} */\n      const data = {opening}\n      if (closing) data.closing = closing\n      data.properties = props\n\n      node.data = {position: data}\n    }\n  }\n\n  return result\n}\n\n/**\n * Turn a p5 location into a position.\n *\n * @param {P5Location} loc\n *   Location.\n * @returns {Position | undefined}\n *   Position or nothing.\n */\nfunction position(loc) {\n  const start = point({\n    line: loc.startLine,\n    column: loc.startCol,\n    offset: loc.startOffset\n  })\n  const end = point({\n    line: loc.endLine,\n    column: loc.endCol,\n    offset: loc.endOffset\n  })\n\n  // @ts-expect-error: we do use `undefined` for points if one or the other\n  // exists.\n  return start || end ? {start, end} : undefined\n}\n\n/**\n * Filter out invalid points.\n *\n * @param {Point} point\n *   Point with potentially `undefined` values.\n * @returns {Point | undefined}\n *   Point or nothing.\n */\nfunction point(point) {\n  return point.line && point.column ? point : undefined\n}\n","/**\n * @callback Handler\n *   Handle a value, with a certain ID field set to a certain value.\n *   The ID field is passed to `zwitch`, and it’s value is this function’s\n *   place on the `handlers` record.\n * @param {...any} parameters\n *   Arbitrary parameters passed to the zwitch.\n *   The first will be an object with a certain ID field set to a certain value.\n * @returns {any}\n *   Anything!\n */\n\n/**\n * @callback UnknownHandler\n *   Handle values that do have a certain ID field, but it’s set to a value\n *   that is not listed in the `handlers` record.\n * @param {unknown} value\n *   An object with a certain ID field set to an unknown value.\n * @param {...any} rest\n *   Arbitrary parameters passed to the zwitch.\n * @returns {any}\n *   Anything!\n */\n\n/**\n * @callback InvalidHandler\n *   Handle values that do not have a certain ID field.\n * @param {unknown} value\n *   Any unknown value.\n * @param {...any} rest\n *   Arbitrary parameters passed to the zwitch.\n * @returns {void|null|undefined|never}\n *   This should crash or return nothing.\n */\n\n/**\n * @template {InvalidHandler} [Invalid=InvalidHandler]\n * @template {UnknownHandler} [Unknown=UnknownHandler]\n * @template {Record} [Handlers=Record]\n * @typedef Options\n *   Configuration (required).\n * @property {Invalid} [invalid]\n *   Handler to use for invalid values.\n * @property {Unknown} [unknown]\n *   Handler to use for unknown values.\n * @property {Handlers} [handlers]\n *   Handlers to use.\n */\n\nconst own = {}.hasOwnProperty\n\n/**\n * Handle values based on a field.\n *\n * @template {InvalidHandler} [Invalid=InvalidHandler]\n * @template {UnknownHandler} [Unknown=UnknownHandler]\n * @template {Record} [Handlers=Record]\n * @param {string} key\n *   Field to switch on.\n * @param {Options} [options]\n *   Configuration (required).\n * @returns {{unknown: Unknown, invalid: Invalid, handlers: Handlers, (...parameters: Parameters): ReturnType, (...parameters: Parameters): ReturnType}}\n */\nexport function zwitch(key, options) {\n  const settings = options || {}\n\n  /**\n   * Handle one value.\n   *\n   * Based on the bound `key`, a respective handler will be called.\n   * If `value` is not an object, or doesn’t have a `key` property, the special\n   * “invalid” handler will be called.\n   * If `value` has an unknown `key`, the special “unknown” handler will be\n   * called.\n   *\n   * All arguments, and the context object, are passed through to the handler,\n   * and it’s result is returned.\n   *\n   * @this {unknown}\n   *   Any context object.\n   * @param {unknown} [value]\n   *   Any value.\n   * @param {...unknown} parameters\n   *   Arbitrary parameters passed to the zwitch.\n   * @property {Handler} invalid\n   *   Handle for values that do not have a certain ID field.\n   * @property {Handler} unknown\n   *   Handle values that do have a certain ID field, but it’s set to a value\n   *   that is not listed in the `handlers` record.\n   * @property {Handlers} handlers\n   *   Record of handlers.\n   * @returns {unknown}\n   *   Anything.\n   */\n  function one(value, ...parameters) {\n    /** @type {Handler|undefined} */\n    let fn = one.invalid\n    const handlers = one.handlers\n\n    if (value && own.call(value, key)) {\n      // @ts-expect-error Indexable.\n      const id = String(value[key])\n      // @ts-expect-error Indexable.\n      fn = own.call(handlers, id) ? handlers[id] : one.unknown\n    }\n\n    if (fn) {\n      return fn.call(this, value, ...parameters)\n    }\n  }\n\n  one.handlers = settings.handlers || {}\n  one.invalid = settings.invalid\n  one.unknown = settings.unknown\n\n  // @ts-expect-error: matches!\n  return one\n}\n","/**\n * @typedef {import('hast').Comment} Comment\n * @typedef {import('hast').Doctype} Doctype\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Nodes} Nodes\n * @typedef {import('hast').Root} Root\n * @typedef {import('hast').RootContent} RootContent\n * @typedef {import('hast').Text} Text\n *\n * @typedef {import('parse5').DefaultTreeAdapterMap['document']} Parse5Document\n * @typedef {import('parse5').DefaultTreeAdapterMap['documentFragment']} Parse5Fragment\n * @typedef {import('parse5').DefaultTreeAdapterMap['element']} Parse5Element\n * @typedef {import('parse5').DefaultTreeAdapterMap['node']} Parse5Nodes\n * @typedef {import('parse5').DefaultTreeAdapterMap['documentType']} Parse5Doctype\n * @typedef {import('parse5').DefaultTreeAdapterMap['commentNode']} Parse5Comment\n * @typedef {import('parse5').DefaultTreeAdapterMap['textNode']} Parse5Text\n * @typedef {import('parse5').DefaultTreeAdapterMap['parentNode']} Parse5Parent\n * @typedef {import('parse5').Token.Attribute} Parse5Attribute\n *\n * @typedef {import('property-information').Schema} Schema\n */\n\n/**\n * @typedef Options\n *   Configuration.\n * @property {Space | null | undefined} [space='html']\n *   Which space the document is in (default: `'html'`).\n *\n *   When an `` element is found in the HTML space, this package already\n *   automatically switches to and from the SVG space when entering and exiting\n *   it.\n *\n * @typedef {Exclude} Parse5Content\n *\n * @typedef {'html' | 'svg'} Space\n */\n\nimport {stringify as commas} from 'comma-separated-tokens'\nimport {ok as assert} from 'devlop'\nimport {find, html, svg} from 'property-information'\nimport {stringify as spaces} from 'space-separated-tokens'\nimport {webNamespaces} from 'web-namespaces'\nimport {zwitch} from 'zwitch'\n\n/** @type {Options} */\nconst emptyOptions = {}\n\nconst own = {}.hasOwnProperty\n\nconst one = zwitch('type', {handlers: {root, element, text, comment, doctype}})\n\n/**\n * Transform a hast tree to a `parse5` AST.\n *\n * @param {Nodes} tree\n *   Tree to transform.\n * @param {Options | null | undefined} [options]\n *   Configuration (optional).\n * @returns {Parse5Nodes}\n *   `parse5` node.\n */\nexport function toParse5(tree, options) {\n  const settings = options || emptyOptions\n  const space = settings.space\n  return one(tree, space === 'svg' ? svg : html)\n}\n\n/**\n * @param {Root} node\n *   Node (hast) to transform.\n * @param {Schema} schema\n *   Current schema.\n * @returns {Parse5Document}\n *   Parse5 node.\n */\nfunction root(node, schema) {\n  /** @type {Parse5Document} */\n  const result = {\n    nodeName: '#document',\n    // @ts-expect-error: `parse5` uses enums, which are actually strings.\n    mode: (node.data || {}).quirksMode ? 'quirks' : 'no-quirks',\n    childNodes: []\n  }\n  result.childNodes = all(node.children, result, schema)\n  patch(node, result)\n  return result\n}\n\n/**\n * @param {Root} node\n *   Node (hast) to transform.\n * @param {Schema} schema\n *   Current schema.\n * @returns {Parse5Fragment}\n *   Parse5 node.\n */\nfunction fragment(node, schema) {\n  /** @type {Parse5Fragment} */\n  const result = {nodeName: '#document-fragment', childNodes: []}\n  result.childNodes = all(node.children, result, schema)\n  patch(node, result)\n  return result\n}\n\n/**\n * @param {Doctype} node\n *   Node (hast) to transform.\n * @returns {Parse5Doctype}\n *   Parse5 node.\n */\nfunction doctype(node) {\n  /** @type {Parse5Doctype} */\n  const result = {\n    nodeName: '#documentType',\n    name: 'html',\n    publicId: '',\n    systemId: '',\n    parentNode: null\n  }\n\n  patch(node, result)\n  return result\n}\n\n/**\n * @param {Text} node\n *   Node (hast) to transform.\n * @returns {Parse5Text}\n *   Parse5 node.\n */\nfunction text(node) {\n  /** @type {Parse5Text} */\n  const result = {\n    nodeName: '#text',\n    value: node.value,\n    parentNode: null\n  }\n  patch(node, result)\n  return result\n}\n\n/**\n * @param {Comment} node\n *   Node (hast) to transform.\n * @returns {Parse5Comment}\n *   Parse5 node.\n */\nfunction comment(node) {\n  /** @type {Parse5Comment} */\n  const result = {\n    nodeName: '#comment',\n    data: node.value,\n    parentNode: null\n  }\n\n  patch(node, result)\n\n  return result\n}\n\n/**\n * @param {Element} node\n *   Node (hast) to transform.\n * @param {Schema} schema\n *   Current schema.\n * @returns {Parse5Element}\n *   Parse5 node.\n */\nfunction element(node, schema) {\n  const parentSchema = schema\n  let currentSchema = parentSchema\n\n  if (\n    node.type === 'element' &&\n    node.tagName.toLowerCase() === 'svg' &&\n    parentSchema.space === 'html'\n  ) {\n    currentSchema = svg\n  }\n\n  /** @type {Array} */\n  const attrs = []\n  /** @type {string} */\n  let prop\n\n  if (node.properties) {\n    for (prop in node.properties) {\n      if (prop !== 'children' && own.call(node.properties, prop)) {\n        const result = createProperty(\n          currentSchema,\n          prop,\n          node.properties[prop]\n        )\n\n        if (result) {\n          attrs.push(result)\n        }\n      }\n    }\n  }\n\n  const space = currentSchema.space\n  // `html` and `svg` both have a space.\n  assert(space)\n\n  /** @type {Parse5Element} */\n  const result = {\n    nodeName: node.tagName,\n    tagName: node.tagName,\n    attrs,\n    // @ts-expect-error: `parse5` types are wrong.\n    namespaceURI: webNamespaces[space],\n    childNodes: [],\n    parentNode: null\n  }\n  result.childNodes = all(node.children, result, currentSchema)\n  patch(node, result)\n\n  if (node.tagName === 'template' && node.content) {\n    // @ts-expect-error: `parse5` types are wrong.\n    result.content = fragment(node.content, currentSchema)\n  }\n\n  return result\n}\n\n/**\n * Handle a property.\n *\n * @param {Schema} schema\n *   Current schema.\n * @param {string} prop\n *   Key.\n * @param {Array | boolean | number | string | null | undefined} value\n *   hast property value.\n * @returns {Parse5Attribute | undefined}\n *   Field for runtime, optional.\n */\nfunction createProperty(schema, prop, value) {\n  const info = find(schema, prop)\n\n  // Ignore nullish and `NaN` values.\n  if (\n    value === false ||\n    value === null ||\n    value === undefined ||\n    (typeof value === 'number' && Number.isNaN(value)) ||\n    (!value && info.boolean)\n  ) {\n    return\n  }\n\n  if (Array.isArray(value)) {\n    // Accept `array`.\n    // Most props are space-separated.\n    value = info.commaSeparated ? commas(value) : spaces(value)\n  }\n\n  /** @type {Parse5Attribute} */\n  const attribute = {\n    name: info.attribute,\n    value: value === true ? '' : String(value)\n  }\n\n  if (info.space && info.space !== 'html' && info.space !== 'svg') {\n    const index = attribute.name.indexOf(':')\n\n    if (index < 0) {\n      attribute.prefix = ''\n    } else {\n      attribute.name = attribute.name.slice(index + 1)\n      attribute.prefix = info.attribute.slice(0, index)\n    }\n\n    attribute.namespace = webNamespaces[info.space]\n  }\n\n  return attribute\n}\n\n/**\n * Transform all hast nodes.\n *\n * @param {Array} children\n *   List of children.\n * @param {Parse5Parent} parentNode\n *   `parse5` parent node.\n * @param {Schema} schema\n *   Current schema.\n * @returns {Array}\n *   Transformed children.\n */\nfunction all(children, parentNode, schema) {\n  let index = -1\n  /** @type {Array} */\n  const results = []\n\n  if (children) {\n    while (++index < children.length) {\n      /** @type {Parse5Content} */\n      const child = one(children[index], schema)\n\n      child.parentNode = parentNode\n\n      results.push(child)\n    }\n  }\n\n  return results\n}\n\n/**\n * Add position info from `from` to `to`.\n *\n * @param {Nodes} from\n *   hast node.\n * @param {Parse5Nodes} to\n *   `parse5` node.\n * @returns {undefined}\n *   Nothing.\n */\nfunction patch(from, to) {\n  const position = from.position\n\n  if (position && position.start && position.end) {\n    assert(typeof position.start.offset === 'number')\n    assert(typeof position.end.offset === 'number')\n\n    to.sourceCodeLocation = {\n      startLine: position.start.line,\n      startCol: position.start.column,\n      startOffset: position.start.offset,\n      endLine: position.end.line,\n      endCol: position.end.column,\n      endOffset: position.end.offset\n    }\n  }\n}\n","/**\n * List of HTML void tag names.\n *\n * @type {Array}\n */\nexport const htmlVoidElements = [\n  'area',\n  'base',\n  'basefont',\n  'bgsound',\n  'br',\n  'col',\n  'command',\n  'embed',\n  'frame',\n  'hr',\n  'image',\n  'img',\n  'input',\n  'keygen',\n  'link',\n  'meta',\n  'param',\n  'source',\n  'track',\n  'wbr'\n]\n","const UNDEFINED_CODE_POINTS = new Set([\n    65534, 65535, 131070, 131071, 196606, 196607, 262142, 262143, 327678, 327679, 393214,\n    393215, 458750, 458751, 524286, 524287, 589822, 589823, 655358, 655359, 720894,\n    720895, 786430, 786431, 851966, 851967, 917502, 917503, 983038, 983039, 1048574,\n    1048575, 1114110, 1114111,\n]);\nexport const REPLACEMENT_CHARACTER = '\\uFFFD';\nexport var CODE_POINTS;\n(function (CODE_POINTS) {\n    CODE_POINTS[CODE_POINTS[\"EOF\"] = -1] = \"EOF\";\n    CODE_POINTS[CODE_POINTS[\"NULL\"] = 0] = \"NULL\";\n    CODE_POINTS[CODE_POINTS[\"TABULATION\"] = 9] = \"TABULATION\";\n    CODE_POINTS[CODE_POINTS[\"CARRIAGE_RETURN\"] = 13] = \"CARRIAGE_RETURN\";\n    CODE_POINTS[CODE_POINTS[\"LINE_FEED\"] = 10] = \"LINE_FEED\";\n    CODE_POINTS[CODE_POINTS[\"FORM_FEED\"] = 12] = \"FORM_FEED\";\n    CODE_POINTS[CODE_POINTS[\"SPACE\"] = 32] = \"SPACE\";\n    CODE_POINTS[CODE_POINTS[\"EXCLAMATION_MARK\"] = 33] = \"EXCLAMATION_MARK\";\n    CODE_POINTS[CODE_POINTS[\"QUOTATION_MARK\"] = 34] = \"QUOTATION_MARK\";\n    CODE_POINTS[CODE_POINTS[\"NUMBER_SIGN\"] = 35] = \"NUMBER_SIGN\";\n    CODE_POINTS[CODE_POINTS[\"AMPERSAND\"] = 38] = \"AMPERSAND\";\n    CODE_POINTS[CODE_POINTS[\"APOSTROPHE\"] = 39] = \"APOSTROPHE\";\n    CODE_POINTS[CODE_POINTS[\"HYPHEN_MINUS\"] = 45] = \"HYPHEN_MINUS\";\n    CODE_POINTS[CODE_POINTS[\"SOLIDUS\"] = 47] = \"SOLIDUS\";\n    CODE_POINTS[CODE_POINTS[\"DIGIT_0\"] = 48] = \"DIGIT_0\";\n    CODE_POINTS[CODE_POINTS[\"DIGIT_9\"] = 57] = \"DIGIT_9\";\n    CODE_POINTS[CODE_POINTS[\"SEMICOLON\"] = 59] = \"SEMICOLON\";\n    CODE_POINTS[CODE_POINTS[\"LESS_THAN_SIGN\"] = 60] = \"LESS_THAN_SIGN\";\n    CODE_POINTS[CODE_POINTS[\"EQUALS_SIGN\"] = 61] = \"EQUALS_SIGN\";\n    CODE_POINTS[CODE_POINTS[\"GREATER_THAN_SIGN\"] = 62] = \"GREATER_THAN_SIGN\";\n    CODE_POINTS[CODE_POINTS[\"QUESTION_MARK\"] = 63] = \"QUESTION_MARK\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_CAPITAL_A\"] = 65] = \"LATIN_CAPITAL_A\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_CAPITAL_F\"] = 70] = \"LATIN_CAPITAL_F\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_CAPITAL_X\"] = 88] = \"LATIN_CAPITAL_X\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_CAPITAL_Z\"] = 90] = \"LATIN_CAPITAL_Z\";\n    CODE_POINTS[CODE_POINTS[\"RIGHT_SQUARE_BRACKET\"] = 93] = \"RIGHT_SQUARE_BRACKET\";\n    CODE_POINTS[CODE_POINTS[\"GRAVE_ACCENT\"] = 96] = \"GRAVE_ACCENT\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_SMALL_A\"] = 97] = \"LATIN_SMALL_A\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_SMALL_F\"] = 102] = \"LATIN_SMALL_F\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_SMALL_X\"] = 120] = \"LATIN_SMALL_X\";\n    CODE_POINTS[CODE_POINTS[\"LATIN_SMALL_Z\"] = 122] = \"LATIN_SMALL_Z\";\n    CODE_POINTS[CODE_POINTS[\"REPLACEMENT_CHARACTER\"] = 65533] = \"REPLACEMENT_CHARACTER\";\n})(CODE_POINTS = CODE_POINTS || (CODE_POINTS = {}));\nexport const SEQUENCES = {\n    DASH_DASH: '--',\n    CDATA_START: '[CDATA[',\n    DOCTYPE: 'doctype',\n    SCRIPT: 'script',\n    PUBLIC: 'public',\n    SYSTEM: 'system',\n};\n//Surrogates\nexport function isSurrogate(cp) {\n    return cp >= 55296 && cp <= 57343;\n}\nexport function isSurrogatePair(cp) {\n    return cp >= 56320 && cp <= 57343;\n}\nexport function getSurrogatePairCodePoint(cp1, cp2) {\n    return (cp1 - 55296) * 1024 + 9216 + cp2;\n}\n//NOTE: excluding NULL and ASCII whitespace\nexport function isControlCodePoint(cp) {\n    return ((cp !== 0x20 && cp !== 0x0a && cp !== 0x0d && cp !== 0x09 && cp !== 0x0c && cp >= 0x01 && cp <= 0x1f) ||\n        (cp >= 0x7f && cp <= 0x9f));\n}\nexport function isUndefinedCodePoint(cp) {\n    return (cp >= 64976 && cp <= 65007) || UNDEFINED_CODE_POINTS.has(cp);\n}\n//# sourceMappingURL=unicode.js.map","export var ERR;\n(function (ERR) {\n    ERR[\"controlCharacterInInputStream\"] = \"control-character-in-input-stream\";\n    ERR[\"noncharacterInInputStream\"] = \"noncharacter-in-input-stream\";\n    ERR[\"surrogateInInputStream\"] = \"surrogate-in-input-stream\";\n    ERR[\"nonVoidHtmlElementStartTagWithTrailingSolidus\"] = \"non-void-html-element-start-tag-with-trailing-solidus\";\n    ERR[\"endTagWithAttributes\"] = \"end-tag-with-attributes\";\n    ERR[\"endTagWithTrailingSolidus\"] = \"end-tag-with-trailing-solidus\";\n    ERR[\"unexpectedSolidusInTag\"] = \"unexpected-solidus-in-tag\";\n    ERR[\"unexpectedNullCharacter\"] = \"unexpected-null-character\";\n    ERR[\"unexpectedQuestionMarkInsteadOfTagName\"] = \"unexpected-question-mark-instead-of-tag-name\";\n    ERR[\"invalidFirstCharacterOfTagName\"] = \"invalid-first-character-of-tag-name\";\n    ERR[\"unexpectedEqualsSignBeforeAttributeName\"] = \"unexpected-equals-sign-before-attribute-name\";\n    ERR[\"missingEndTagName\"] = \"missing-end-tag-name\";\n    ERR[\"unexpectedCharacterInAttributeName\"] = \"unexpected-character-in-attribute-name\";\n    ERR[\"unknownNamedCharacterReference\"] = \"unknown-named-character-reference\";\n    ERR[\"missingSemicolonAfterCharacterReference\"] = \"missing-semicolon-after-character-reference\";\n    ERR[\"unexpectedCharacterAfterDoctypeSystemIdentifier\"] = \"unexpected-character-after-doctype-system-identifier\";\n    ERR[\"unexpectedCharacterInUnquotedAttributeValue\"] = \"unexpected-character-in-unquoted-attribute-value\";\n    ERR[\"eofBeforeTagName\"] = \"eof-before-tag-name\";\n    ERR[\"eofInTag\"] = \"eof-in-tag\";\n    ERR[\"missingAttributeValue\"] = \"missing-attribute-value\";\n    ERR[\"missingWhitespaceBetweenAttributes\"] = \"missing-whitespace-between-attributes\";\n    ERR[\"missingWhitespaceAfterDoctypePublicKeyword\"] = \"missing-whitespace-after-doctype-public-keyword\";\n    ERR[\"missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers\"] = \"missing-whitespace-between-doctype-public-and-system-identifiers\";\n    ERR[\"missingWhitespaceAfterDoctypeSystemKeyword\"] = \"missing-whitespace-after-doctype-system-keyword\";\n    ERR[\"missingQuoteBeforeDoctypePublicIdentifier\"] = \"missing-quote-before-doctype-public-identifier\";\n    ERR[\"missingQuoteBeforeDoctypeSystemIdentifier\"] = \"missing-quote-before-doctype-system-identifier\";\n    ERR[\"missingDoctypePublicIdentifier\"] = \"missing-doctype-public-identifier\";\n    ERR[\"missingDoctypeSystemIdentifier\"] = \"missing-doctype-system-identifier\";\n    ERR[\"abruptDoctypePublicIdentifier\"] = \"abrupt-doctype-public-identifier\";\n    ERR[\"abruptDoctypeSystemIdentifier\"] = \"abrupt-doctype-system-identifier\";\n    ERR[\"cdataInHtmlContent\"] = \"cdata-in-html-content\";\n    ERR[\"incorrectlyOpenedComment\"] = \"incorrectly-opened-comment\";\n    ERR[\"eofInScriptHtmlCommentLikeText\"] = \"eof-in-script-html-comment-like-text\";\n    ERR[\"eofInDoctype\"] = \"eof-in-doctype\";\n    ERR[\"nestedComment\"] = \"nested-comment\";\n    ERR[\"abruptClosingOfEmptyComment\"] = \"abrupt-closing-of-empty-comment\";\n    ERR[\"eofInComment\"] = \"eof-in-comment\";\n    ERR[\"incorrectlyClosedComment\"] = \"incorrectly-closed-comment\";\n    ERR[\"eofInCdata\"] = \"eof-in-cdata\";\n    ERR[\"absenceOfDigitsInNumericCharacterReference\"] = \"absence-of-digits-in-numeric-character-reference\";\n    ERR[\"nullCharacterReference\"] = \"null-character-reference\";\n    ERR[\"surrogateCharacterReference\"] = \"surrogate-character-reference\";\n    ERR[\"characterReferenceOutsideUnicodeRange\"] = \"character-reference-outside-unicode-range\";\n    ERR[\"controlCharacterReference\"] = \"control-character-reference\";\n    ERR[\"noncharacterCharacterReference\"] = \"noncharacter-character-reference\";\n    ERR[\"missingWhitespaceBeforeDoctypeName\"] = \"missing-whitespace-before-doctype-name\";\n    ERR[\"missingDoctypeName\"] = \"missing-doctype-name\";\n    ERR[\"invalidCharacterSequenceAfterDoctypeName\"] = \"invalid-character-sequence-after-doctype-name\";\n    ERR[\"duplicateAttribute\"] = \"duplicate-attribute\";\n    ERR[\"nonConformingDoctype\"] = \"non-conforming-doctype\";\n    ERR[\"missingDoctype\"] = \"missing-doctype\";\n    ERR[\"misplacedDoctype\"] = \"misplaced-doctype\";\n    ERR[\"endTagWithoutMatchingOpenElement\"] = \"end-tag-without-matching-open-element\";\n    ERR[\"closingOfElementWithOpenChildElements\"] = \"closing-of-element-with-open-child-elements\";\n    ERR[\"disallowedContentInNoscriptInHead\"] = \"disallowed-content-in-noscript-in-head\";\n    ERR[\"openElementsLeftAfterEof\"] = \"open-elements-left-after-eof\";\n    ERR[\"abandonedHeadElementChild\"] = \"abandoned-head-element-child\";\n    ERR[\"misplacedStartTagForHeadElement\"] = \"misplaced-start-tag-for-head-element\";\n    ERR[\"nestedNoscriptInHead\"] = \"nested-noscript-in-head\";\n    ERR[\"eofInElementThatCanContainOnlyText\"] = \"eof-in-element-that-can-contain-only-text\";\n})(ERR = ERR || (ERR = {}));\n//# sourceMappingURL=error-codes.js.map","import { CODE_POINTS as $, getSurrogatePairCodePoint, isControlCodePoint, isSurrogate, isSurrogatePair, isUndefinedCodePoint, } from '../common/unicode.js';\nimport { ERR } from '../common/error-codes.js';\n//Const\nconst DEFAULT_BUFFER_WATERLINE = 1 << 16;\n//Preprocessor\n//NOTE: HTML input preprocessing\n//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#preprocessing-the-input-stream)\nexport class Preprocessor {\n    constructor(handler) {\n        this.handler = handler;\n        this.html = '';\n        this.pos = -1;\n        // NOTE: Initial `lastGapPos` is -2, to ensure `col` on initialisation is 0\n        this.lastGapPos = -2;\n        this.gapStack = [];\n        this.skipNextNewLine = false;\n        this.lastChunkWritten = false;\n        this.endOfChunkHit = false;\n        this.bufferWaterline = DEFAULT_BUFFER_WATERLINE;\n        this.isEol = false;\n        this.lineStartPos = 0;\n        this.droppedBufferSize = 0;\n        this.line = 1;\n        //NOTE: avoid reporting errors twice on advance/retreat\n        this.lastErrOffset = -1;\n    }\n    /** The column on the current line. If we just saw a gap (eg. a surrogate pair), return the index before. */\n    get col() {\n        return this.pos - this.lineStartPos + Number(this.lastGapPos !== this.pos);\n    }\n    get offset() {\n        return this.droppedBufferSize + this.pos;\n    }\n    getError(code) {\n        const { line, col, offset } = this;\n        return {\n            code,\n            startLine: line,\n            endLine: line,\n            startCol: col,\n            endCol: col,\n            startOffset: offset,\n            endOffset: offset,\n        };\n    }\n    _err(code) {\n        if (this.handler.onParseError && this.lastErrOffset !== this.offset) {\n            this.lastErrOffset = this.offset;\n            this.handler.onParseError(this.getError(code));\n        }\n    }\n    _addGap() {\n        this.gapStack.push(this.lastGapPos);\n        this.lastGapPos = this.pos;\n    }\n    _processSurrogate(cp) {\n        //NOTE: try to peek a surrogate pair\n        if (this.pos !== this.html.length - 1) {\n            const nextCp = this.html.charCodeAt(this.pos + 1);\n            if (isSurrogatePair(nextCp)) {\n                //NOTE: we have a surrogate pair. Peek pair character and recalculate code point.\n                this.pos++;\n                //NOTE: add a gap that should be avoided during retreat\n                this._addGap();\n                return getSurrogatePairCodePoint(cp, nextCp);\n            }\n        }\n        //NOTE: we are at the end of a chunk, therefore we can't infer the surrogate pair yet.\n        else if (!this.lastChunkWritten) {\n            this.endOfChunkHit = true;\n            return $.EOF;\n        }\n        //NOTE: isolated surrogate\n        this._err(ERR.surrogateInInputStream);\n        return cp;\n    }\n    willDropParsedChunk() {\n        return this.pos > this.bufferWaterline;\n    }\n    dropParsedChunk() {\n        if (this.willDropParsedChunk()) {\n            this.html = this.html.substring(this.pos);\n            this.lineStartPos -= this.pos;\n            this.droppedBufferSize += this.pos;\n            this.pos = 0;\n            this.lastGapPos = -2;\n            this.gapStack.length = 0;\n        }\n    }\n    write(chunk, isLastChunk) {\n        if (this.html.length > 0) {\n            this.html += chunk;\n        }\n        else {\n            this.html = chunk;\n        }\n        this.endOfChunkHit = false;\n        this.lastChunkWritten = isLastChunk;\n    }\n    insertHtmlAtCurrentPos(chunk) {\n        this.html = this.html.substring(0, this.pos + 1) + chunk + this.html.substring(this.pos + 1);\n        this.endOfChunkHit = false;\n    }\n    startsWith(pattern, caseSensitive) {\n        // Check if our buffer has enough characters\n        if (this.pos + pattern.length > this.html.length) {\n            this.endOfChunkHit = !this.lastChunkWritten;\n            return false;\n        }\n        if (caseSensitive) {\n            return this.html.startsWith(pattern, this.pos);\n        }\n        for (let i = 0; i < pattern.length; i++) {\n            const cp = this.html.charCodeAt(this.pos + i) | 0x20;\n            if (cp !== pattern.charCodeAt(i)) {\n                return false;\n            }\n        }\n        return true;\n    }\n    peek(offset) {\n        const pos = this.pos + offset;\n        if (pos >= this.html.length) {\n            this.endOfChunkHit = !this.lastChunkWritten;\n            return $.EOF;\n        }\n        const code = this.html.charCodeAt(pos);\n        return code === $.CARRIAGE_RETURN ? $.LINE_FEED : code;\n    }\n    advance() {\n        this.pos++;\n        //NOTE: LF should be in the last column of the line\n        if (this.isEol) {\n            this.isEol = false;\n            this.line++;\n            this.lineStartPos = this.pos;\n        }\n        if (this.pos >= this.html.length) {\n            this.endOfChunkHit = !this.lastChunkWritten;\n            return $.EOF;\n        }\n        let cp = this.html.charCodeAt(this.pos);\n        //NOTE: all U+000D CARRIAGE RETURN (CR) characters must be converted to U+000A LINE FEED (LF) characters\n        if (cp === $.CARRIAGE_RETURN) {\n            this.isEol = true;\n            this.skipNextNewLine = true;\n            return $.LINE_FEED;\n        }\n        //NOTE: any U+000A LINE FEED (LF) characters that immediately follow a U+000D CARRIAGE RETURN (CR) character\n        //must be ignored.\n        if (cp === $.LINE_FEED) {\n            this.isEol = true;\n            if (this.skipNextNewLine) {\n                // `line` will be bumped again in the recursive call.\n                this.line--;\n                this.skipNextNewLine = false;\n                this._addGap();\n                return this.advance();\n            }\n        }\n        this.skipNextNewLine = false;\n        if (isSurrogate(cp)) {\n            cp = this._processSurrogate(cp);\n        }\n        //OPTIMIZATION: first check if code point is in the common allowed\n        //range (ASCII alphanumeric, whitespaces, big chunk of BMP)\n        //before going into detailed performance cost validation.\n        const isCommonValidRange = this.handler.onParseError === null ||\n            (cp > 0x1f && cp < 0x7f) ||\n            cp === $.LINE_FEED ||\n            cp === $.CARRIAGE_RETURN ||\n            (cp > 0x9f && cp < 64976);\n        if (!isCommonValidRange) {\n            this._checkForProblematicCharacters(cp);\n        }\n        return cp;\n    }\n    _checkForProblematicCharacters(cp) {\n        if (isControlCodePoint(cp)) {\n            this._err(ERR.controlCharacterInInputStream);\n        }\n        else if (isUndefinedCodePoint(cp)) {\n            this._err(ERR.noncharacterInInputStream);\n        }\n    }\n    retreat(count) {\n        this.pos -= count;\n        while (this.pos < this.lastGapPos) {\n            this.lastGapPos = this.gapStack.pop();\n            this.pos--;\n        }\n        this.isEol = false;\n    }\n}\n//# sourceMappingURL=preprocessor.js.map","export var TokenType;\n(function (TokenType) {\n    TokenType[TokenType[\"CHARACTER\"] = 0] = \"CHARACTER\";\n    TokenType[TokenType[\"NULL_CHARACTER\"] = 1] = \"NULL_CHARACTER\";\n    TokenType[TokenType[\"WHITESPACE_CHARACTER\"] = 2] = \"WHITESPACE_CHARACTER\";\n    TokenType[TokenType[\"START_TAG\"] = 3] = \"START_TAG\";\n    TokenType[TokenType[\"END_TAG\"] = 4] = \"END_TAG\";\n    TokenType[TokenType[\"COMMENT\"] = 5] = \"COMMENT\";\n    TokenType[TokenType[\"DOCTYPE\"] = 6] = \"DOCTYPE\";\n    TokenType[TokenType[\"EOF\"] = 7] = \"EOF\";\n    TokenType[TokenType[\"HIBERNATION\"] = 8] = \"HIBERNATION\";\n})(TokenType = TokenType || (TokenType = {}));\nexport function getTokenAttr(token, attrName) {\n    for (let i = token.attrs.length - 1; i >= 0; i--) {\n        if (token.attrs[i].name === attrName) {\n            return token.attrs[i].value;\n        }\n    }\n    return null;\n}\n//# sourceMappingURL=token.js.map",null,null,null,null,"/** All valid namespaces in HTML. */\nexport var NS;\n(function (NS) {\n    NS[\"HTML\"] = \"http://www.w3.org/1999/xhtml\";\n    NS[\"MATHML\"] = \"http://www.w3.org/1998/Math/MathML\";\n    NS[\"SVG\"] = \"http://www.w3.org/2000/svg\";\n    NS[\"XLINK\"] = \"http://www.w3.org/1999/xlink\";\n    NS[\"XML\"] = \"http://www.w3.org/XML/1998/namespace\";\n    NS[\"XMLNS\"] = \"http://www.w3.org/2000/xmlns/\";\n})(NS = NS || (NS = {}));\nexport var ATTRS;\n(function (ATTRS) {\n    ATTRS[\"TYPE\"] = \"type\";\n    ATTRS[\"ACTION\"] = \"action\";\n    ATTRS[\"ENCODING\"] = \"encoding\";\n    ATTRS[\"PROMPT\"] = \"prompt\";\n    ATTRS[\"NAME\"] = \"name\";\n    ATTRS[\"COLOR\"] = \"color\";\n    ATTRS[\"FACE\"] = \"face\";\n    ATTRS[\"SIZE\"] = \"size\";\n})(ATTRS = ATTRS || (ATTRS = {}));\n/**\n * The mode of the document.\n *\n * @see {@link https://dom.spec.whatwg.org/#concept-document-limited-quirks}\n */\nexport var DOCUMENT_MODE;\n(function (DOCUMENT_MODE) {\n    DOCUMENT_MODE[\"NO_QUIRKS\"] = \"no-quirks\";\n    DOCUMENT_MODE[\"QUIRKS\"] = \"quirks\";\n    DOCUMENT_MODE[\"LIMITED_QUIRKS\"] = \"limited-quirks\";\n})(DOCUMENT_MODE = DOCUMENT_MODE || (DOCUMENT_MODE = {}));\nexport var TAG_NAMES;\n(function (TAG_NAMES) {\n    TAG_NAMES[\"A\"] = \"a\";\n    TAG_NAMES[\"ADDRESS\"] = \"address\";\n    TAG_NAMES[\"ANNOTATION_XML\"] = \"annotation-xml\";\n    TAG_NAMES[\"APPLET\"] = \"applet\";\n    TAG_NAMES[\"AREA\"] = \"area\";\n    TAG_NAMES[\"ARTICLE\"] = \"article\";\n    TAG_NAMES[\"ASIDE\"] = \"aside\";\n    TAG_NAMES[\"B\"] = \"b\";\n    TAG_NAMES[\"BASE\"] = \"base\";\n    TAG_NAMES[\"BASEFONT\"] = \"basefont\";\n    TAG_NAMES[\"BGSOUND\"] = \"bgsound\";\n    TAG_NAMES[\"BIG\"] = \"big\";\n    TAG_NAMES[\"BLOCKQUOTE\"] = \"blockquote\";\n    TAG_NAMES[\"BODY\"] = \"body\";\n    TAG_NAMES[\"BR\"] = \"br\";\n    TAG_NAMES[\"BUTTON\"] = \"button\";\n    TAG_NAMES[\"CAPTION\"] = \"caption\";\n    TAG_NAMES[\"CENTER\"] = \"center\";\n    TAG_NAMES[\"CODE\"] = \"code\";\n    TAG_NAMES[\"COL\"] = \"col\";\n    TAG_NAMES[\"COLGROUP\"] = \"colgroup\";\n    TAG_NAMES[\"DD\"] = \"dd\";\n    TAG_NAMES[\"DESC\"] = \"desc\";\n    TAG_NAMES[\"DETAILS\"] = \"details\";\n    TAG_NAMES[\"DIALOG\"] = \"dialog\";\n    TAG_NAMES[\"DIR\"] = \"dir\";\n    TAG_NAMES[\"DIV\"] = \"div\";\n    TAG_NAMES[\"DL\"] = \"dl\";\n    TAG_NAMES[\"DT\"] = \"dt\";\n    TAG_NAMES[\"EM\"] = \"em\";\n    TAG_NAMES[\"EMBED\"] = \"embed\";\n    TAG_NAMES[\"FIELDSET\"] = \"fieldset\";\n    TAG_NAMES[\"FIGCAPTION\"] = \"figcaption\";\n    TAG_NAMES[\"FIGURE\"] = \"figure\";\n    TAG_NAMES[\"FONT\"] = \"font\";\n    TAG_NAMES[\"FOOTER\"] = \"footer\";\n    TAG_NAMES[\"FOREIGN_OBJECT\"] = \"foreignObject\";\n    TAG_NAMES[\"FORM\"] = \"form\";\n    TAG_NAMES[\"FRAME\"] = \"frame\";\n    TAG_NAMES[\"FRAMESET\"] = \"frameset\";\n    TAG_NAMES[\"H1\"] = \"h1\";\n    TAG_NAMES[\"H2\"] = \"h2\";\n    TAG_NAMES[\"H3\"] = \"h3\";\n    TAG_NAMES[\"H4\"] = \"h4\";\n    TAG_NAMES[\"H5\"] = \"h5\";\n    TAG_NAMES[\"H6\"] = \"h6\";\n    TAG_NAMES[\"HEAD\"] = \"head\";\n    TAG_NAMES[\"HEADER\"] = \"header\";\n    TAG_NAMES[\"HGROUP\"] = \"hgroup\";\n    TAG_NAMES[\"HR\"] = \"hr\";\n    TAG_NAMES[\"HTML\"] = \"html\";\n    TAG_NAMES[\"I\"] = \"i\";\n    TAG_NAMES[\"IMG\"] = \"img\";\n    TAG_NAMES[\"IMAGE\"] = \"image\";\n    TAG_NAMES[\"INPUT\"] = \"input\";\n    TAG_NAMES[\"IFRAME\"] = \"iframe\";\n    TAG_NAMES[\"KEYGEN\"] = \"keygen\";\n    TAG_NAMES[\"LABEL\"] = \"label\";\n    TAG_NAMES[\"LI\"] = \"li\";\n    TAG_NAMES[\"LINK\"] = \"link\";\n    TAG_NAMES[\"LISTING\"] = \"listing\";\n    TAG_NAMES[\"MAIN\"] = \"main\";\n    TAG_NAMES[\"MALIGNMARK\"] = \"malignmark\";\n    TAG_NAMES[\"MARQUEE\"] = \"marquee\";\n    TAG_NAMES[\"MATH\"] = \"math\";\n    TAG_NAMES[\"MENU\"] = \"menu\";\n    TAG_NAMES[\"META\"] = \"meta\";\n    TAG_NAMES[\"MGLYPH\"] = \"mglyph\";\n    TAG_NAMES[\"MI\"] = \"mi\";\n    TAG_NAMES[\"MO\"] = \"mo\";\n    TAG_NAMES[\"MN\"] = \"mn\";\n    TAG_NAMES[\"MS\"] = \"ms\";\n    TAG_NAMES[\"MTEXT\"] = \"mtext\";\n    TAG_NAMES[\"NAV\"] = \"nav\";\n    TAG_NAMES[\"NOBR\"] = \"nobr\";\n    TAG_NAMES[\"NOFRAMES\"] = \"noframes\";\n    TAG_NAMES[\"NOEMBED\"] = \"noembed\";\n    TAG_NAMES[\"NOSCRIPT\"] = \"noscript\";\n    TAG_NAMES[\"OBJECT\"] = \"object\";\n    TAG_NAMES[\"OL\"] = \"ol\";\n    TAG_NAMES[\"OPTGROUP\"] = \"optgroup\";\n    TAG_NAMES[\"OPTION\"] = \"option\";\n    TAG_NAMES[\"P\"] = \"p\";\n    TAG_NAMES[\"PARAM\"] = \"param\";\n    TAG_NAMES[\"PLAINTEXT\"] = \"plaintext\";\n    TAG_NAMES[\"PRE\"] = \"pre\";\n    TAG_NAMES[\"RB\"] = \"rb\";\n    TAG_NAMES[\"RP\"] = \"rp\";\n    TAG_NAMES[\"RT\"] = \"rt\";\n    TAG_NAMES[\"RTC\"] = \"rtc\";\n    TAG_NAMES[\"RUBY\"] = \"ruby\";\n    TAG_NAMES[\"S\"] = \"s\";\n    TAG_NAMES[\"SCRIPT\"] = \"script\";\n    TAG_NAMES[\"SECTION\"] = \"section\";\n    TAG_NAMES[\"SELECT\"] = \"select\";\n    TAG_NAMES[\"SOURCE\"] = \"source\";\n    TAG_NAMES[\"SMALL\"] = \"small\";\n    TAG_NAMES[\"SPAN\"] = \"span\";\n    TAG_NAMES[\"STRIKE\"] = \"strike\";\n    TAG_NAMES[\"STRONG\"] = \"strong\";\n    TAG_NAMES[\"STYLE\"] = \"style\";\n    TAG_NAMES[\"SUB\"] = \"sub\";\n    TAG_NAMES[\"SUMMARY\"] = \"summary\";\n    TAG_NAMES[\"SUP\"] = \"sup\";\n    TAG_NAMES[\"TABLE\"] = \"table\";\n    TAG_NAMES[\"TBODY\"] = \"tbody\";\n    TAG_NAMES[\"TEMPLATE\"] = \"template\";\n    TAG_NAMES[\"TEXTAREA\"] = \"textarea\";\n    TAG_NAMES[\"TFOOT\"] = \"tfoot\";\n    TAG_NAMES[\"TD\"] = \"td\";\n    TAG_NAMES[\"TH\"] = \"th\";\n    TAG_NAMES[\"THEAD\"] = \"thead\";\n    TAG_NAMES[\"TITLE\"] = \"title\";\n    TAG_NAMES[\"TR\"] = \"tr\";\n    TAG_NAMES[\"TRACK\"] = \"track\";\n    TAG_NAMES[\"TT\"] = \"tt\";\n    TAG_NAMES[\"U\"] = \"u\";\n    TAG_NAMES[\"UL\"] = \"ul\";\n    TAG_NAMES[\"SVG\"] = \"svg\";\n    TAG_NAMES[\"VAR\"] = \"var\";\n    TAG_NAMES[\"WBR\"] = \"wbr\";\n    TAG_NAMES[\"XMP\"] = \"xmp\";\n})(TAG_NAMES = TAG_NAMES || (TAG_NAMES = {}));\n/**\n * Tag IDs are numeric IDs for known tag names.\n *\n * We use tag IDs to improve the performance of tag name comparisons.\n */\nexport var TAG_ID;\n(function (TAG_ID) {\n    TAG_ID[TAG_ID[\"UNKNOWN\"] = 0] = \"UNKNOWN\";\n    TAG_ID[TAG_ID[\"A\"] = 1] = \"A\";\n    TAG_ID[TAG_ID[\"ADDRESS\"] = 2] = \"ADDRESS\";\n    TAG_ID[TAG_ID[\"ANNOTATION_XML\"] = 3] = \"ANNOTATION_XML\";\n    TAG_ID[TAG_ID[\"APPLET\"] = 4] = \"APPLET\";\n    TAG_ID[TAG_ID[\"AREA\"] = 5] = \"AREA\";\n    TAG_ID[TAG_ID[\"ARTICLE\"] = 6] = \"ARTICLE\";\n    TAG_ID[TAG_ID[\"ASIDE\"] = 7] = \"ASIDE\";\n    TAG_ID[TAG_ID[\"B\"] = 8] = \"B\";\n    TAG_ID[TAG_ID[\"BASE\"] = 9] = \"BASE\";\n    TAG_ID[TAG_ID[\"BASEFONT\"] = 10] = \"BASEFONT\";\n    TAG_ID[TAG_ID[\"BGSOUND\"] = 11] = \"BGSOUND\";\n    TAG_ID[TAG_ID[\"BIG\"] = 12] = \"BIG\";\n    TAG_ID[TAG_ID[\"BLOCKQUOTE\"] = 13] = \"BLOCKQUOTE\";\n    TAG_ID[TAG_ID[\"BODY\"] = 14] = \"BODY\";\n    TAG_ID[TAG_ID[\"BR\"] = 15] = \"BR\";\n    TAG_ID[TAG_ID[\"BUTTON\"] = 16] = \"BUTTON\";\n    TAG_ID[TAG_ID[\"CAPTION\"] = 17] = \"CAPTION\";\n    TAG_ID[TAG_ID[\"CENTER\"] = 18] = \"CENTER\";\n    TAG_ID[TAG_ID[\"CODE\"] = 19] = \"CODE\";\n    TAG_ID[TAG_ID[\"COL\"] = 20] = \"COL\";\n    TAG_ID[TAG_ID[\"COLGROUP\"] = 21] = \"COLGROUP\";\n    TAG_ID[TAG_ID[\"DD\"] = 22] = \"DD\";\n    TAG_ID[TAG_ID[\"DESC\"] = 23] = \"DESC\";\n    TAG_ID[TAG_ID[\"DETAILS\"] = 24] = \"DETAILS\";\n    TAG_ID[TAG_ID[\"DIALOG\"] = 25] = \"DIALOG\";\n    TAG_ID[TAG_ID[\"DIR\"] = 26] = \"DIR\";\n    TAG_ID[TAG_ID[\"DIV\"] = 27] = \"DIV\";\n    TAG_ID[TAG_ID[\"DL\"] = 28] = \"DL\";\n    TAG_ID[TAG_ID[\"DT\"] = 29] = \"DT\";\n    TAG_ID[TAG_ID[\"EM\"] = 30] = \"EM\";\n    TAG_ID[TAG_ID[\"EMBED\"] = 31] = \"EMBED\";\n    TAG_ID[TAG_ID[\"FIELDSET\"] = 32] = \"FIELDSET\";\n    TAG_ID[TAG_ID[\"FIGCAPTION\"] = 33] = \"FIGCAPTION\";\n    TAG_ID[TAG_ID[\"FIGURE\"] = 34] = \"FIGURE\";\n    TAG_ID[TAG_ID[\"FONT\"] = 35] = \"FONT\";\n    TAG_ID[TAG_ID[\"FOOTER\"] = 36] = \"FOOTER\";\n    TAG_ID[TAG_ID[\"FOREIGN_OBJECT\"] = 37] = \"FOREIGN_OBJECT\";\n    TAG_ID[TAG_ID[\"FORM\"] = 38] = \"FORM\";\n    TAG_ID[TAG_ID[\"FRAME\"] = 39] = \"FRAME\";\n    TAG_ID[TAG_ID[\"FRAMESET\"] = 40] = \"FRAMESET\";\n    TAG_ID[TAG_ID[\"H1\"] = 41] = \"H1\";\n    TAG_ID[TAG_ID[\"H2\"] = 42] = \"H2\";\n    TAG_ID[TAG_ID[\"H3\"] = 43] = \"H3\";\n    TAG_ID[TAG_ID[\"H4\"] = 44] = \"H4\";\n    TAG_ID[TAG_ID[\"H5\"] = 45] = \"H5\";\n    TAG_ID[TAG_ID[\"H6\"] = 46] = \"H6\";\n    TAG_ID[TAG_ID[\"HEAD\"] = 47] = \"HEAD\";\n    TAG_ID[TAG_ID[\"HEADER\"] = 48] = \"HEADER\";\n    TAG_ID[TAG_ID[\"HGROUP\"] = 49] = \"HGROUP\";\n    TAG_ID[TAG_ID[\"HR\"] = 50] = \"HR\";\n    TAG_ID[TAG_ID[\"HTML\"] = 51] = \"HTML\";\n    TAG_ID[TAG_ID[\"I\"] = 52] = \"I\";\n    TAG_ID[TAG_ID[\"IMG\"] = 53] = \"IMG\";\n    TAG_ID[TAG_ID[\"IMAGE\"] = 54] = \"IMAGE\";\n    TAG_ID[TAG_ID[\"INPUT\"] = 55] = \"INPUT\";\n    TAG_ID[TAG_ID[\"IFRAME\"] = 56] = \"IFRAME\";\n    TAG_ID[TAG_ID[\"KEYGEN\"] = 57] = \"KEYGEN\";\n    TAG_ID[TAG_ID[\"LABEL\"] = 58] = \"LABEL\";\n    TAG_ID[TAG_ID[\"LI\"] = 59] = \"LI\";\n    TAG_ID[TAG_ID[\"LINK\"] = 60] = \"LINK\";\n    TAG_ID[TAG_ID[\"LISTING\"] = 61] = \"LISTING\";\n    TAG_ID[TAG_ID[\"MAIN\"] = 62] = \"MAIN\";\n    TAG_ID[TAG_ID[\"MALIGNMARK\"] = 63] = \"MALIGNMARK\";\n    TAG_ID[TAG_ID[\"MARQUEE\"] = 64] = \"MARQUEE\";\n    TAG_ID[TAG_ID[\"MATH\"] = 65] = \"MATH\";\n    TAG_ID[TAG_ID[\"MENU\"] = 66] = \"MENU\";\n    TAG_ID[TAG_ID[\"META\"] = 67] = \"META\";\n    TAG_ID[TAG_ID[\"MGLYPH\"] = 68] = \"MGLYPH\";\n    TAG_ID[TAG_ID[\"MI\"] = 69] = \"MI\";\n    TAG_ID[TAG_ID[\"MO\"] = 70] = \"MO\";\n    TAG_ID[TAG_ID[\"MN\"] = 71] = \"MN\";\n    TAG_ID[TAG_ID[\"MS\"] = 72] = \"MS\";\n    TAG_ID[TAG_ID[\"MTEXT\"] = 73] = \"MTEXT\";\n    TAG_ID[TAG_ID[\"NAV\"] = 74] = \"NAV\";\n    TAG_ID[TAG_ID[\"NOBR\"] = 75] = \"NOBR\";\n    TAG_ID[TAG_ID[\"NOFRAMES\"] = 76] = \"NOFRAMES\";\n    TAG_ID[TAG_ID[\"NOEMBED\"] = 77] = \"NOEMBED\";\n    TAG_ID[TAG_ID[\"NOSCRIPT\"] = 78] = \"NOSCRIPT\";\n    TAG_ID[TAG_ID[\"OBJECT\"] = 79] = \"OBJECT\";\n    TAG_ID[TAG_ID[\"OL\"] = 80] = \"OL\";\n    TAG_ID[TAG_ID[\"OPTGROUP\"] = 81] = \"OPTGROUP\";\n    TAG_ID[TAG_ID[\"OPTION\"] = 82] = \"OPTION\";\n    TAG_ID[TAG_ID[\"P\"] = 83] = \"P\";\n    TAG_ID[TAG_ID[\"PARAM\"] = 84] = \"PARAM\";\n    TAG_ID[TAG_ID[\"PLAINTEXT\"] = 85] = \"PLAINTEXT\";\n    TAG_ID[TAG_ID[\"PRE\"] = 86] = \"PRE\";\n    TAG_ID[TAG_ID[\"RB\"] = 87] = \"RB\";\n    TAG_ID[TAG_ID[\"RP\"] = 88] = \"RP\";\n    TAG_ID[TAG_ID[\"RT\"] = 89] = \"RT\";\n    TAG_ID[TAG_ID[\"RTC\"] = 90] = \"RTC\";\n    TAG_ID[TAG_ID[\"RUBY\"] = 91] = \"RUBY\";\n    TAG_ID[TAG_ID[\"S\"] = 92] = \"S\";\n    TAG_ID[TAG_ID[\"SCRIPT\"] = 93] = \"SCRIPT\";\n    TAG_ID[TAG_ID[\"SECTION\"] = 94] = \"SECTION\";\n    TAG_ID[TAG_ID[\"SELECT\"] = 95] = \"SELECT\";\n    TAG_ID[TAG_ID[\"SOURCE\"] = 96] = \"SOURCE\";\n    TAG_ID[TAG_ID[\"SMALL\"] = 97] = \"SMALL\";\n    TAG_ID[TAG_ID[\"SPAN\"] = 98] = \"SPAN\";\n    TAG_ID[TAG_ID[\"STRIKE\"] = 99] = \"STRIKE\";\n    TAG_ID[TAG_ID[\"STRONG\"] = 100] = \"STRONG\";\n    TAG_ID[TAG_ID[\"STYLE\"] = 101] = \"STYLE\";\n    TAG_ID[TAG_ID[\"SUB\"] = 102] = \"SUB\";\n    TAG_ID[TAG_ID[\"SUMMARY\"] = 103] = \"SUMMARY\";\n    TAG_ID[TAG_ID[\"SUP\"] = 104] = \"SUP\";\n    TAG_ID[TAG_ID[\"TABLE\"] = 105] = \"TABLE\";\n    TAG_ID[TAG_ID[\"TBODY\"] = 106] = \"TBODY\";\n    TAG_ID[TAG_ID[\"TEMPLATE\"] = 107] = \"TEMPLATE\";\n    TAG_ID[TAG_ID[\"TEXTAREA\"] = 108] = \"TEXTAREA\";\n    TAG_ID[TAG_ID[\"TFOOT\"] = 109] = \"TFOOT\";\n    TAG_ID[TAG_ID[\"TD\"] = 110] = \"TD\";\n    TAG_ID[TAG_ID[\"TH\"] = 111] = \"TH\";\n    TAG_ID[TAG_ID[\"THEAD\"] = 112] = \"THEAD\";\n    TAG_ID[TAG_ID[\"TITLE\"] = 113] = \"TITLE\";\n    TAG_ID[TAG_ID[\"TR\"] = 114] = \"TR\";\n    TAG_ID[TAG_ID[\"TRACK\"] = 115] = \"TRACK\";\n    TAG_ID[TAG_ID[\"TT\"] = 116] = \"TT\";\n    TAG_ID[TAG_ID[\"U\"] = 117] = \"U\";\n    TAG_ID[TAG_ID[\"UL\"] = 118] = \"UL\";\n    TAG_ID[TAG_ID[\"SVG\"] = 119] = \"SVG\";\n    TAG_ID[TAG_ID[\"VAR\"] = 120] = \"VAR\";\n    TAG_ID[TAG_ID[\"WBR\"] = 121] = \"WBR\";\n    TAG_ID[TAG_ID[\"XMP\"] = 122] = \"XMP\";\n})(TAG_ID = TAG_ID || (TAG_ID = {}));\nconst TAG_NAME_TO_ID = new Map([\n    [TAG_NAMES.A, TAG_ID.A],\n    [TAG_NAMES.ADDRESS, TAG_ID.ADDRESS],\n    [TAG_NAMES.ANNOTATION_XML, TAG_ID.ANNOTATION_XML],\n    [TAG_NAMES.APPLET, TAG_ID.APPLET],\n    [TAG_NAMES.AREA, TAG_ID.AREA],\n    [TAG_NAMES.ARTICLE, TAG_ID.ARTICLE],\n    [TAG_NAMES.ASIDE, TAG_ID.ASIDE],\n    [TAG_NAMES.B, TAG_ID.B],\n    [TAG_NAMES.BASE, TAG_ID.BASE],\n    [TAG_NAMES.BASEFONT, TAG_ID.BASEFONT],\n    [TAG_NAMES.BGSOUND, TAG_ID.BGSOUND],\n    [TAG_NAMES.BIG, TAG_ID.BIG],\n    [TAG_NAMES.BLOCKQUOTE, TAG_ID.BLOCKQUOTE],\n    [TAG_NAMES.BODY, TAG_ID.BODY],\n    [TAG_NAMES.BR, TAG_ID.BR],\n    [TAG_NAMES.BUTTON, TAG_ID.BUTTON],\n    [TAG_NAMES.CAPTION, TAG_ID.CAPTION],\n    [TAG_NAMES.CENTER, TAG_ID.CENTER],\n    [TAG_NAMES.CODE, TAG_ID.CODE],\n    [TAG_NAMES.COL, TAG_ID.COL],\n    [TAG_NAMES.COLGROUP, TAG_ID.COLGROUP],\n    [TAG_NAMES.DD, TAG_ID.DD],\n    [TAG_NAMES.DESC, TAG_ID.DESC],\n    [TAG_NAMES.DETAILS, TAG_ID.DETAILS],\n    [TAG_NAMES.DIALOG, TAG_ID.DIALOG],\n    [TAG_NAMES.DIR, TAG_ID.DIR],\n    [TAG_NAMES.DIV, TAG_ID.DIV],\n    [TAG_NAMES.DL, TAG_ID.DL],\n    [TAG_NAMES.DT, TAG_ID.DT],\n    [TAG_NAMES.EM, TAG_ID.EM],\n    [TAG_NAMES.EMBED, TAG_ID.EMBED],\n    [TAG_NAMES.FIELDSET, TAG_ID.FIELDSET],\n    [TAG_NAMES.FIGCAPTION, TAG_ID.FIGCAPTION],\n    [TAG_NAMES.FIGURE, TAG_ID.FIGURE],\n    [TAG_NAMES.FONT, TAG_ID.FONT],\n    [TAG_NAMES.FOOTER, TAG_ID.FOOTER],\n    [TAG_NAMES.FOREIGN_OBJECT, TAG_ID.FOREIGN_OBJECT],\n    [TAG_NAMES.FORM, TAG_ID.FORM],\n    [TAG_NAMES.FRAME, TAG_ID.FRAME],\n    [TAG_NAMES.FRAMESET, TAG_ID.FRAMESET],\n    [TAG_NAMES.H1, TAG_ID.H1],\n    [TAG_NAMES.H2, TAG_ID.H2],\n    [TAG_NAMES.H3, TAG_ID.H3],\n    [TAG_NAMES.H4, TAG_ID.H4],\n    [TAG_NAMES.H5, TAG_ID.H5],\n    [TAG_NAMES.H6, TAG_ID.H6],\n    [TAG_NAMES.HEAD, TAG_ID.HEAD],\n    [TAG_NAMES.HEADER, TAG_ID.HEADER],\n    [TAG_NAMES.HGROUP, TAG_ID.HGROUP],\n    [TAG_NAMES.HR, TAG_ID.HR],\n    [TAG_NAMES.HTML, TAG_ID.HTML],\n    [TAG_NAMES.I, TAG_ID.I],\n    [TAG_NAMES.IMG, TAG_ID.IMG],\n    [TAG_NAMES.IMAGE, TAG_ID.IMAGE],\n    [TAG_NAMES.INPUT, TAG_ID.INPUT],\n    [TAG_NAMES.IFRAME, TAG_ID.IFRAME],\n    [TAG_NAMES.KEYGEN, TAG_ID.KEYGEN],\n    [TAG_NAMES.LABEL, TAG_ID.LABEL],\n    [TAG_NAMES.LI, TAG_ID.LI],\n    [TAG_NAMES.LINK, TAG_ID.LINK],\n    [TAG_NAMES.LISTING, TAG_ID.LISTING],\n    [TAG_NAMES.MAIN, TAG_ID.MAIN],\n    [TAG_NAMES.MALIGNMARK, TAG_ID.MALIGNMARK],\n    [TAG_NAMES.MARQUEE, TAG_ID.MARQUEE],\n    [TAG_NAMES.MATH, TAG_ID.MATH],\n    [TAG_NAMES.MENU, TAG_ID.MENU],\n    [TAG_NAMES.META, TAG_ID.META],\n    [TAG_NAMES.MGLYPH, TAG_ID.MGLYPH],\n    [TAG_NAMES.MI, TAG_ID.MI],\n    [TAG_NAMES.MO, TAG_ID.MO],\n    [TAG_NAMES.MN, TAG_ID.MN],\n    [TAG_NAMES.MS, TAG_ID.MS],\n    [TAG_NAMES.MTEXT, TAG_ID.MTEXT],\n    [TAG_NAMES.NAV, TAG_ID.NAV],\n    [TAG_NAMES.NOBR, TAG_ID.NOBR],\n    [TAG_NAMES.NOFRAMES, TAG_ID.NOFRAMES],\n    [TAG_NAMES.NOEMBED, TAG_ID.NOEMBED],\n    [TAG_NAMES.NOSCRIPT, TAG_ID.NOSCRIPT],\n    [TAG_NAMES.OBJECT, TAG_ID.OBJECT],\n    [TAG_NAMES.OL, TAG_ID.OL],\n    [TAG_NAMES.OPTGROUP, TAG_ID.OPTGROUP],\n    [TAG_NAMES.OPTION, TAG_ID.OPTION],\n    [TAG_NAMES.P, TAG_ID.P],\n    [TAG_NAMES.PARAM, TAG_ID.PARAM],\n    [TAG_NAMES.PLAINTEXT, TAG_ID.PLAINTEXT],\n    [TAG_NAMES.PRE, TAG_ID.PRE],\n    [TAG_NAMES.RB, TAG_ID.RB],\n    [TAG_NAMES.RP, TAG_ID.RP],\n    [TAG_NAMES.RT, TAG_ID.RT],\n    [TAG_NAMES.RTC, TAG_ID.RTC],\n    [TAG_NAMES.RUBY, TAG_ID.RUBY],\n    [TAG_NAMES.S, TAG_ID.S],\n    [TAG_NAMES.SCRIPT, TAG_ID.SCRIPT],\n    [TAG_NAMES.SECTION, TAG_ID.SECTION],\n    [TAG_NAMES.SELECT, TAG_ID.SELECT],\n    [TAG_NAMES.SOURCE, TAG_ID.SOURCE],\n    [TAG_NAMES.SMALL, TAG_ID.SMALL],\n    [TAG_NAMES.SPAN, TAG_ID.SPAN],\n    [TAG_NAMES.STRIKE, TAG_ID.STRIKE],\n    [TAG_NAMES.STRONG, TAG_ID.STRONG],\n    [TAG_NAMES.STYLE, TAG_ID.STYLE],\n    [TAG_NAMES.SUB, TAG_ID.SUB],\n    [TAG_NAMES.SUMMARY, TAG_ID.SUMMARY],\n    [TAG_NAMES.SUP, TAG_ID.SUP],\n    [TAG_NAMES.TABLE, TAG_ID.TABLE],\n    [TAG_NAMES.TBODY, TAG_ID.TBODY],\n    [TAG_NAMES.TEMPLATE, TAG_ID.TEMPLATE],\n    [TAG_NAMES.TEXTAREA, TAG_ID.TEXTAREA],\n    [TAG_NAMES.TFOOT, TAG_ID.TFOOT],\n    [TAG_NAMES.TD, TAG_ID.TD],\n    [TAG_NAMES.TH, TAG_ID.TH],\n    [TAG_NAMES.THEAD, TAG_ID.THEAD],\n    [TAG_NAMES.TITLE, TAG_ID.TITLE],\n    [TAG_NAMES.TR, TAG_ID.TR],\n    [TAG_NAMES.TRACK, TAG_ID.TRACK],\n    [TAG_NAMES.TT, TAG_ID.TT],\n    [TAG_NAMES.U, TAG_ID.U],\n    [TAG_NAMES.UL, TAG_ID.UL],\n    [TAG_NAMES.SVG, TAG_ID.SVG],\n    [TAG_NAMES.VAR, TAG_ID.VAR],\n    [TAG_NAMES.WBR, TAG_ID.WBR],\n    [TAG_NAMES.XMP, TAG_ID.XMP],\n]);\nexport function getTagID(tagName) {\n    var _a;\n    return (_a = TAG_NAME_TO_ID.get(tagName)) !== null && _a !== void 0 ? _a : TAG_ID.UNKNOWN;\n}\nconst $ = TAG_ID;\nexport const SPECIAL_ELEMENTS = {\n    [NS.HTML]: new Set([\n        $.ADDRESS,\n        $.APPLET,\n        $.AREA,\n        $.ARTICLE,\n        $.ASIDE,\n        $.BASE,\n        $.BASEFONT,\n        $.BGSOUND,\n        $.BLOCKQUOTE,\n        $.BODY,\n        $.BR,\n        $.BUTTON,\n        $.CAPTION,\n        $.CENTER,\n        $.COL,\n        $.COLGROUP,\n        $.DD,\n        $.DETAILS,\n        $.DIR,\n        $.DIV,\n        $.DL,\n        $.DT,\n        $.EMBED,\n        $.FIELDSET,\n        $.FIGCAPTION,\n        $.FIGURE,\n        $.FOOTER,\n        $.FORM,\n        $.FRAME,\n        $.FRAMESET,\n        $.H1,\n        $.H2,\n        $.H3,\n        $.H4,\n        $.H5,\n        $.H6,\n        $.HEAD,\n        $.HEADER,\n        $.HGROUP,\n        $.HR,\n        $.HTML,\n        $.IFRAME,\n        $.IMG,\n        $.INPUT,\n        $.LI,\n        $.LINK,\n        $.LISTING,\n        $.MAIN,\n        $.MARQUEE,\n        $.MENU,\n        $.META,\n        $.NAV,\n        $.NOEMBED,\n        $.NOFRAMES,\n        $.NOSCRIPT,\n        $.OBJECT,\n        $.OL,\n        $.P,\n        $.PARAM,\n        $.PLAINTEXT,\n        $.PRE,\n        $.SCRIPT,\n        $.SECTION,\n        $.SELECT,\n        $.SOURCE,\n        $.STYLE,\n        $.SUMMARY,\n        $.TABLE,\n        $.TBODY,\n        $.TD,\n        $.TEMPLATE,\n        $.TEXTAREA,\n        $.TFOOT,\n        $.TH,\n        $.THEAD,\n        $.TITLE,\n        $.TR,\n        $.TRACK,\n        $.UL,\n        $.WBR,\n        $.XMP,\n    ]),\n    [NS.MATHML]: new Set([$.MI, $.MO, $.MN, $.MS, $.MTEXT, $.ANNOTATION_XML]),\n    [NS.SVG]: new Set([$.TITLE, $.FOREIGN_OBJECT, $.DESC]),\n    [NS.XLINK]: new Set(),\n    [NS.XML]: new Set(),\n    [NS.XMLNS]: new Set(),\n};\nexport function isNumberedHeader(tn) {\n    return tn === $.H1 || tn === $.H2 || tn === $.H3 || tn === $.H4 || tn === $.H5 || tn === $.H6;\n}\nconst UNESCAPED_TEXT = new Set([\n    TAG_NAMES.STYLE,\n    TAG_NAMES.SCRIPT,\n    TAG_NAMES.XMP,\n    TAG_NAMES.IFRAME,\n    TAG_NAMES.NOEMBED,\n    TAG_NAMES.NOFRAMES,\n    TAG_NAMES.PLAINTEXT,\n]);\nexport function hasUnescapedText(tn, scriptingEnabled) {\n    return UNESCAPED_TEXT.has(tn) || (scriptingEnabled && tn === TAG_NAMES.NOSCRIPT);\n}\n//# sourceMappingURL=html.js.map","import { Preprocessor } from './preprocessor.js';\nimport { CODE_POINTS as $, SEQUENCES as $$, REPLACEMENT_CHARACTER, isSurrogate, isUndefinedCodePoint, isControlCodePoint, } from '../common/unicode.js';\nimport { TokenType, getTokenAttr, } from '../common/token.js';\nimport { htmlDecodeTree, BinTrieFlags, determineBranch } from 'entities/lib/decode.js';\nimport { ERR } from '../common/error-codes.js';\nimport { TAG_ID, getTagID } from '../common/html.js';\n//C1 Unicode control character reference replacements\nconst C1_CONTROLS_REFERENCE_REPLACEMENTS = new Map([\n    [0x80, 8364],\n    [0x82, 8218],\n    [0x83, 402],\n    [0x84, 8222],\n    [0x85, 8230],\n    [0x86, 8224],\n    [0x87, 8225],\n    [0x88, 710],\n    [0x89, 8240],\n    [0x8a, 352],\n    [0x8b, 8249],\n    [0x8c, 338],\n    [0x8e, 381],\n    [0x91, 8216],\n    [0x92, 8217],\n    [0x93, 8220],\n    [0x94, 8221],\n    [0x95, 8226],\n    [0x96, 8211],\n    [0x97, 8212],\n    [0x98, 732],\n    [0x99, 8482],\n    [0x9a, 353],\n    [0x9b, 8250],\n    [0x9c, 339],\n    [0x9e, 382],\n    [0x9f, 376],\n]);\n//States\nvar State;\n(function (State) {\n    State[State[\"DATA\"] = 0] = \"DATA\";\n    State[State[\"RCDATA\"] = 1] = \"RCDATA\";\n    State[State[\"RAWTEXT\"] = 2] = \"RAWTEXT\";\n    State[State[\"SCRIPT_DATA\"] = 3] = \"SCRIPT_DATA\";\n    State[State[\"PLAINTEXT\"] = 4] = \"PLAINTEXT\";\n    State[State[\"TAG_OPEN\"] = 5] = \"TAG_OPEN\";\n    State[State[\"END_TAG_OPEN\"] = 6] = \"END_TAG_OPEN\";\n    State[State[\"TAG_NAME\"] = 7] = \"TAG_NAME\";\n    State[State[\"RCDATA_LESS_THAN_SIGN\"] = 8] = \"RCDATA_LESS_THAN_SIGN\";\n    State[State[\"RCDATA_END_TAG_OPEN\"] = 9] = \"RCDATA_END_TAG_OPEN\";\n    State[State[\"RCDATA_END_TAG_NAME\"] = 10] = \"RCDATA_END_TAG_NAME\";\n    State[State[\"RAWTEXT_LESS_THAN_SIGN\"] = 11] = \"RAWTEXT_LESS_THAN_SIGN\";\n    State[State[\"RAWTEXT_END_TAG_OPEN\"] = 12] = \"RAWTEXT_END_TAG_OPEN\";\n    State[State[\"RAWTEXT_END_TAG_NAME\"] = 13] = \"RAWTEXT_END_TAG_NAME\";\n    State[State[\"SCRIPT_DATA_LESS_THAN_SIGN\"] = 14] = \"SCRIPT_DATA_LESS_THAN_SIGN\";\n    State[State[\"SCRIPT_DATA_END_TAG_OPEN\"] = 15] = \"SCRIPT_DATA_END_TAG_OPEN\";\n    State[State[\"SCRIPT_DATA_END_TAG_NAME\"] = 16] = \"SCRIPT_DATA_END_TAG_NAME\";\n    State[State[\"SCRIPT_DATA_ESCAPE_START\"] = 17] = \"SCRIPT_DATA_ESCAPE_START\";\n    State[State[\"SCRIPT_DATA_ESCAPE_START_DASH\"] = 18] = \"SCRIPT_DATA_ESCAPE_START_DASH\";\n    State[State[\"SCRIPT_DATA_ESCAPED\"] = 19] = \"SCRIPT_DATA_ESCAPED\";\n    State[State[\"SCRIPT_DATA_ESCAPED_DASH\"] = 20] = \"SCRIPT_DATA_ESCAPED_DASH\";\n    State[State[\"SCRIPT_DATA_ESCAPED_DASH_DASH\"] = 21] = \"SCRIPT_DATA_ESCAPED_DASH_DASH\";\n    State[State[\"SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN\"] = 22] = \"SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN\";\n    State[State[\"SCRIPT_DATA_ESCAPED_END_TAG_OPEN\"] = 23] = \"SCRIPT_DATA_ESCAPED_END_TAG_OPEN\";\n    State[State[\"SCRIPT_DATA_ESCAPED_END_TAG_NAME\"] = 24] = \"SCRIPT_DATA_ESCAPED_END_TAG_NAME\";\n    State[State[\"SCRIPT_DATA_DOUBLE_ESCAPE_START\"] = 25] = \"SCRIPT_DATA_DOUBLE_ESCAPE_START\";\n    State[State[\"SCRIPT_DATA_DOUBLE_ESCAPED\"] = 26] = \"SCRIPT_DATA_DOUBLE_ESCAPED\";\n    State[State[\"SCRIPT_DATA_DOUBLE_ESCAPED_DASH\"] = 27] = \"SCRIPT_DATA_DOUBLE_ESCAPED_DASH\";\n    State[State[\"SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH\"] = 28] = \"SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH\";\n    State[State[\"SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN\"] = 29] = \"SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN\";\n    State[State[\"SCRIPT_DATA_DOUBLE_ESCAPE_END\"] = 30] = \"SCRIPT_DATA_DOUBLE_ESCAPE_END\";\n    State[State[\"BEFORE_ATTRIBUTE_NAME\"] = 31] = \"BEFORE_ATTRIBUTE_NAME\";\n    State[State[\"ATTRIBUTE_NAME\"] = 32] = \"ATTRIBUTE_NAME\";\n    State[State[\"AFTER_ATTRIBUTE_NAME\"] = 33] = \"AFTER_ATTRIBUTE_NAME\";\n    State[State[\"BEFORE_ATTRIBUTE_VALUE\"] = 34] = \"BEFORE_ATTRIBUTE_VALUE\";\n    State[State[\"ATTRIBUTE_VALUE_DOUBLE_QUOTED\"] = 35] = \"ATTRIBUTE_VALUE_DOUBLE_QUOTED\";\n    State[State[\"ATTRIBUTE_VALUE_SINGLE_QUOTED\"] = 36] = \"ATTRIBUTE_VALUE_SINGLE_QUOTED\";\n    State[State[\"ATTRIBUTE_VALUE_UNQUOTED\"] = 37] = \"ATTRIBUTE_VALUE_UNQUOTED\";\n    State[State[\"AFTER_ATTRIBUTE_VALUE_QUOTED\"] = 38] = \"AFTER_ATTRIBUTE_VALUE_QUOTED\";\n    State[State[\"SELF_CLOSING_START_TAG\"] = 39] = \"SELF_CLOSING_START_TAG\";\n    State[State[\"BOGUS_COMMENT\"] = 40] = \"BOGUS_COMMENT\";\n    State[State[\"MARKUP_DECLARATION_OPEN\"] = 41] = \"MARKUP_DECLARATION_OPEN\";\n    State[State[\"COMMENT_START\"] = 42] = \"COMMENT_START\";\n    State[State[\"COMMENT_START_DASH\"] = 43] = \"COMMENT_START_DASH\";\n    State[State[\"COMMENT\"] = 44] = \"COMMENT\";\n    State[State[\"COMMENT_LESS_THAN_SIGN\"] = 45] = \"COMMENT_LESS_THAN_SIGN\";\n    State[State[\"COMMENT_LESS_THAN_SIGN_BANG\"] = 46] = \"COMMENT_LESS_THAN_SIGN_BANG\";\n    State[State[\"COMMENT_LESS_THAN_SIGN_BANG_DASH\"] = 47] = \"COMMENT_LESS_THAN_SIGN_BANG_DASH\";\n    State[State[\"COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH\"] = 48] = \"COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH\";\n    State[State[\"COMMENT_END_DASH\"] = 49] = \"COMMENT_END_DASH\";\n    State[State[\"COMMENT_END\"] = 50] = \"COMMENT_END\";\n    State[State[\"COMMENT_END_BANG\"] = 51] = \"COMMENT_END_BANG\";\n    State[State[\"DOCTYPE\"] = 52] = \"DOCTYPE\";\n    State[State[\"BEFORE_DOCTYPE_NAME\"] = 53] = \"BEFORE_DOCTYPE_NAME\";\n    State[State[\"DOCTYPE_NAME\"] = 54] = \"DOCTYPE_NAME\";\n    State[State[\"AFTER_DOCTYPE_NAME\"] = 55] = \"AFTER_DOCTYPE_NAME\";\n    State[State[\"AFTER_DOCTYPE_PUBLIC_KEYWORD\"] = 56] = \"AFTER_DOCTYPE_PUBLIC_KEYWORD\";\n    State[State[\"BEFORE_DOCTYPE_PUBLIC_IDENTIFIER\"] = 57] = \"BEFORE_DOCTYPE_PUBLIC_IDENTIFIER\";\n    State[State[\"DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED\"] = 58] = \"DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED\";\n    State[State[\"DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED\"] = 59] = \"DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED\";\n    State[State[\"AFTER_DOCTYPE_PUBLIC_IDENTIFIER\"] = 60] = \"AFTER_DOCTYPE_PUBLIC_IDENTIFIER\";\n    State[State[\"BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS\"] = 61] = \"BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS\";\n    State[State[\"AFTER_DOCTYPE_SYSTEM_KEYWORD\"] = 62] = \"AFTER_DOCTYPE_SYSTEM_KEYWORD\";\n    State[State[\"BEFORE_DOCTYPE_SYSTEM_IDENTIFIER\"] = 63] = \"BEFORE_DOCTYPE_SYSTEM_IDENTIFIER\";\n    State[State[\"DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED\"] = 64] = \"DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED\";\n    State[State[\"DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED\"] = 65] = \"DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED\";\n    State[State[\"AFTER_DOCTYPE_SYSTEM_IDENTIFIER\"] = 66] = \"AFTER_DOCTYPE_SYSTEM_IDENTIFIER\";\n    State[State[\"BOGUS_DOCTYPE\"] = 67] = \"BOGUS_DOCTYPE\";\n    State[State[\"CDATA_SECTION\"] = 68] = \"CDATA_SECTION\";\n    State[State[\"CDATA_SECTION_BRACKET\"] = 69] = \"CDATA_SECTION_BRACKET\";\n    State[State[\"CDATA_SECTION_END\"] = 70] = \"CDATA_SECTION_END\";\n    State[State[\"CHARACTER_REFERENCE\"] = 71] = \"CHARACTER_REFERENCE\";\n    State[State[\"NAMED_CHARACTER_REFERENCE\"] = 72] = \"NAMED_CHARACTER_REFERENCE\";\n    State[State[\"AMBIGUOUS_AMPERSAND\"] = 73] = \"AMBIGUOUS_AMPERSAND\";\n    State[State[\"NUMERIC_CHARACTER_REFERENCE\"] = 74] = \"NUMERIC_CHARACTER_REFERENCE\";\n    State[State[\"HEXADEMICAL_CHARACTER_REFERENCE_START\"] = 75] = \"HEXADEMICAL_CHARACTER_REFERENCE_START\";\n    State[State[\"HEXADEMICAL_CHARACTER_REFERENCE\"] = 76] = \"HEXADEMICAL_CHARACTER_REFERENCE\";\n    State[State[\"DECIMAL_CHARACTER_REFERENCE\"] = 77] = \"DECIMAL_CHARACTER_REFERENCE\";\n    State[State[\"NUMERIC_CHARACTER_REFERENCE_END\"] = 78] = \"NUMERIC_CHARACTER_REFERENCE_END\";\n})(State || (State = {}));\n//Tokenizer initial states for different modes\nexport const TokenizerMode = {\n    DATA: State.DATA,\n    RCDATA: State.RCDATA,\n    RAWTEXT: State.RAWTEXT,\n    SCRIPT_DATA: State.SCRIPT_DATA,\n    PLAINTEXT: State.PLAINTEXT,\n    CDATA_SECTION: State.CDATA_SECTION,\n};\n//Utils\n//OPTIMIZATION: these utility functions should not be moved out of this module. V8 Crankshaft will not inline\n//this functions if they will be situated in another module due to context switch.\n//Always perform inlining check before modifying this functions ('node --trace-inlining').\nfunction isAsciiDigit(cp) {\n    return cp >= $.DIGIT_0 && cp <= $.DIGIT_9;\n}\nfunction isAsciiUpper(cp) {\n    return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_Z;\n}\nfunction isAsciiLower(cp) {\n    return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_Z;\n}\nfunction isAsciiLetter(cp) {\n    return isAsciiLower(cp) || isAsciiUpper(cp);\n}\nfunction isAsciiAlphaNumeric(cp) {\n    return isAsciiLetter(cp) || isAsciiDigit(cp);\n}\nfunction isAsciiUpperHexDigit(cp) {\n    return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_F;\n}\nfunction isAsciiLowerHexDigit(cp) {\n    return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_F;\n}\nfunction isAsciiHexDigit(cp) {\n    return isAsciiDigit(cp) || isAsciiUpperHexDigit(cp) || isAsciiLowerHexDigit(cp);\n}\nfunction toAsciiLower(cp) {\n    return cp + 32;\n}\nfunction isWhitespace(cp) {\n    return cp === $.SPACE || cp === $.LINE_FEED || cp === $.TABULATION || cp === $.FORM_FEED;\n}\nfunction isEntityInAttributeInvalidEnd(nextCp) {\n    return nextCp === $.EQUALS_SIGN || isAsciiAlphaNumeric(nextCp);\n}\nfunction isScriptDataDoubleEscapeSequenceEnd(cp) {\n    return isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN;\n}\n//Tokenizer\nexport class Tokenizer {\n    constructor(options, handler) {\n        this.options = options;\n        this.handler = handler;\n        this.paused = false;\n        /** Ensures that the parsing loop isn't run multiple times at once. */\n        this.inLoop = false;\n        /**\n         * Indicates that the current adjusted node exists, is not an element in the HTML namespace,\n         * and that it is not an integration point for either MathML or HTML.\n         *\n         * @see {@link https://html.spec.whatwg.org/multipage/parsing.html#tree-construction}\n         */\n        this.inForeignNode = false;\n        this.lastStartTagName = '';\n        this.active = false;\n        this.state = State.DATA;\n        this.returnState = State.DATA;\n        this.charRefCode = -1;\n        this.consumedAfterSnapshot = -1;\n        this.currentCharacterToken = null;\n        this.currentToken = null;\n        this.currentAttr = { name: '', value: '' };\n        this.preprocessor = new Preprocessor(handler);\n        this.currentLocation = this.getCurrentLocation(-1);\n    }\n    //Errors\n    _err(code) {\n        var _a, _b;\n        (_b = (_a = this.handler).onParseError) === null || _b === void 0 ? void 0 : _b.call(_a, this.preprocessor.getError(code));\n    }\n    // NOTE: `offset` may never run across line boundaries.\n    getCurrentLocation(offset) {\n        if (!this.options.sourceCodeLocationInfo) {\n            return null;\n        }\n        return {\n            startLine: this.preprocessor.line,\n            startCol: this.preprocessor.col - offset,\n            startOffset: this.preprocessor.offset - offset,\n            endLine: -1,\n            endCol: -1,\n            endOffset: -1,\n        };\n    }\n    _runParsingLoop() {\n        if (this.inLoop)\n            return;\n        this.inLoop = true;\n        while (this.active && !this.paused) {\n            this.consumedAfterSnapshot = 0;\n            const cp = this._consume();\n            if (!this._ensureHibernation()) {\n                this._callState(cp);\n            }\n        }\n        this.inLoop = false;\n    }\n    //API\n    pause() {\n        this.paused = true;\n    }\n    resume(writeCallback) {\n        if (!this.paused) {\n            throw new Error('Parser was already resumed');\n        }\n        this.paused = false;\n        // Necessary for synchronous resume.\n        if (this.inLoop)\n            return;\n        this._runParsingLoop();\n        if (!this.paused) {\n            writeCallback === null || writeCallback === void 0 ? void 0 : writeCallback();\n        }\n    }\n    write(chunk, isLastChunk, writeCallback) {\n        this.active = true;\n        this.preprocessor.write(chunk, isLastChunk);\n        this._runParsingLoop();\n        if (!this.paused) {\n            writeCallback === null || writeCallback === void 0 ? void 0 : writeCallback();\n        }\n    }\n    insertHtmlAtCurrentPos(chunk) {\n        this.active = true;\n        this.preprocessor.insertHtmlAtCurrentPos(chunk);\n        this._runParsingLoop();\n    }\n    //Hibernation\n    _ensureHibernation() {\n        if (this.preprocessor.endOfChunkHit) {\n            this._unconsume(this.consumedAfterSnapshot);\n            this.active = false;\n            return true;\n        }\n        return false;\n    }\n    //Consumption\n    _consume() {\n        this.consumedAfterSnapshot++;\n        return this.preprocessor.advance();\n    }\n    _unconsume(count) {\n        this.consumedAfterSnapshot -= count;\n        this.preprocessor.retreat(count);\n    }\n    _reconsumeInState(state, cp) {\n        this.state = state;\n        this._callState(cp);\n    }\n    _advanceBy(count) {\n        this.consumedAfterSnapshot += count;\n        for (let i = 0; i < count; i++) {\n            this.preprocessor.advance();\n        }\n    }\n    _consumeSequenceIfMatch(pattern, caseSensitive) {\n        if (this.preprocessor.startsWith(pattern, caseSensitive)) {\n            // We will already have consumed one character before calling this method.\n            this._advanceBy(pattern.length - 1);\n            return true;\n        }\n        return false;\n    }\n    //Token creation\n    _createStartTagToken() {\n        this.currentToken = {\n            type: TokenType.START_TAG,\n            tagName: '',\n            tagID: TAG_ID.UNKNOWN,\n            selfClosing: false,\n            ackSelfClosing: false,\n            attrs: [],\n            location: this.getCurrentLocation(1),\n        };\n    }\n    _createEndTagToken() {\n        this.currentToken = {\n            type: TokenType.END_TAG,\n            tagName: '',\n            tagID: TAG_ID.UNKNOWN,\n            selfClosing: false,\n            ackSelfClosing: false,\n            attrs: [],\n            location: this.getCurrentLocation(2),\n        };\n    }\n    _createCommentToken(offset) {\n        this.currentToken = {\n            type: TokenType.COMMENT,\n            data: '',\n            location: this.getCurrentLocation(offset),\n        };\n    }\n    _createDoctypeToken(initialName) {\n        this.currentToken = {\n            type: TokenType.DOCTYPE,\n            name: initialName,\n            forceQuirks: false,\n            publicId: null,\n            systemId: null,\n            location: this.currentLocation,\n        };\n    }\n    _createCharacterToken(type, chars) {\n        this.currentCharacterToken = {\n            type,\n            chars,\n            location: this.currentLocation,\n        };\n    }\n    //Tag attributes\n    _createAttr(attrNameFirstCh) {\n        this.currentAttr = {\n            name: attrNameFirstCh,\n            value: '',\n        };\n        this.currentLocation = this.getCurrentLocation(0);\n    }\n    _leaveAttrName() {\n        var _a;\n        var _b;\n        const token = this.currentToken;\n        if (getTokenAttr(token, this.currentAttr.name) === null) {\n            token.attrs.push(this.currentAttr);\n            if (token.location && this.currentLocation) {\n                const attrLocations = ((_a = (_b = token.location).attrs) !== null && _a !== void 0 ? _a : (_b.attrs = Object.create(null)));\n                attrLocations[this.currentAttr.name] = this.currentLocation;\n                // Set end location\n                this._leaveAttrValue();\n            }\n        }\n        else {\n            this._err(ERR.duplicateAttribute);\n        }\n    }\n    _leaveAttrValue() {\n        if (this.currentLocation) {\n            this.currentLocation.endLine = this.preprocessor.line;\n            this.currentLocation.endCol = this.preprocessor.col;\n            this.currentLocation.endOffset = this.preprocessor.offset;\n        }\n    }\n    //Token emission\n    prepareToken(ct) {\n        this._emitCurrentCharacterToken(ct.location);\n        this.currentToken = null;\n        if (ct.location) {\n            ct.location.endLine = this.preprocessor.line;\n            ct.location.endCol = this.preprocessor.col + 1;\n            ct.location.endOffset = this.preprocessor.offset + 1;\n        }\n        this.currentLocation = this.getCurrentLocation(-1);\n    }\n    emitCurrentTagToken() {\n        const ct = this.currentToken;\n        this.prepareToken(ct);\n        ct.tagID = getTagID(ct.tagName);\n        if (ct.type === TokenType.START_TAG) {\n            this.lastStartTagName = ct.tagName;\n            this.handler.onStartTag(ct);\n        }\n        else {\n            if (ct.attrs.length > 0) {\n                this._err(ERR.endTagWithAttributes);\n            }\n            if (ct.selfClosing) {\n                this._err(ERR.endTagWithTrailingSolidus);\n            }\n            this.handler.onEndTag(ct);\n        }\n        this.preprocessor.dropParsedChunk();\n    }\n    emitCurrentComment(ct) {\n        this.prepareToken(ct);\n        this.handler.onComment(ct);\n        this.preprocessor.dropParsedChunk();\n    }\n    emitCurrentDoctype(ct) {\n        this.prepareToken(ct);\n        this.handler.onDoctype(ct);\n        this.preprocessor.dropParsedChunk();\n    }\n    _emitCurrentCharacterToken(nextLocation) {\n        if (this.currentCharacterToken) {\n            //NOTE: if we have a pending character token, make it's end location equal to the\n            //current token's start location.\n            if (nextLocation && this.currentCharacterToken.location) {\n                this.currentCharacterToken.location.endLine = nextLocation.startLine;\n                this.currentCharacterToken.location.endCol = nextLocation.startCol;\n                this.currentCharacterToken.location.endOffset = nextLocation.startOffset;\n            }\n            switch (this.currentCharacterToken.type) {\n                case TokenType.CHARACTER: {\n                    this.handler.onCharacter(this.currentCharacterToken);\n                    break;\n                }\n                case TokenType.NULL_CHARACTER: {\n                    this.handler.onNullCharacter(this.currentCharacterToken);\n                    break;\n                }\n                case TokenType.WHITESPACE_CHARACTER: {\n                    this.handler.onWhitespaceCharacter(this.currentCharacterToken);\n                    break;\n                }\n            }\n            this.currentCharacterToken = null;\n        }\n    }\n    _emitEOFToken() {\n        const location = this.getCurrentLocation(0);\n        if (location) {\n            location.endLine = location.startLine;\n            location.endCol = location.startCol;\n            location.endOffset = location.startOffset;\n        }\n        this._emitCurrentCharacterToken(location);\n        this.handler.onEof({ type: TokenType.EOF, location });\n        this.active = false;\n    }\n    //Characters emission\n    //OPTIMIZATION: specification uses only one type of character tokens (one token per character).\n    //This causes a huge memory overhead and a lot of unnecessary parser loops. parse5 uses 3 groups of characters.\n    //If we have a sequence of characters that belong to the same group, the parser can process it\n    //as a single solid character token.\n    //So, there are 3 types of character tokens in parse5:\n    //1)TokenType.NULL_CHARACTER - \\u0000-character sequences (e.g. '\\u0000\\u0000\\u0000')\n    //2)TokenType.WHITESPACE_CHARACTER - any whitespace/new-line character sequences (e.g. '\\n  \\r\\t   \\f')\n    //3)TokenType.CHARACTER - any character sequence which don't belong to groups 1 and 2 (e.g. 'abcdef1234@@#$%^')\n    _appendCharToCurrentCharacterToken(type, ch) {\n        if (this.currentCharacterToken) {\n            if (this.currentCharacterToken.type !== type) {\n                this.currentLocation = this.getCurrentLocation(0);\n                this._emitCurrentCharacterToken(this.currentLocation);\n                this.preprocessor.dropParsedChunk();\n            }\n            else {\n                this.currentCharacterToken.chars += ch;\n                return;\n            }\n        }\n        this._createCharacterToken(type, ch);\n    }\n    _emitCodePoint(cp) {\n        const type = isWhitespace(cp)\n            ? TokenType.WHITESPACE_CHARACTER\n            : cp === $.NULL\n                ? TokenType.NULL_CHARACTER\n                : TokenType.CHARACTER;\n        this._appendCharToCurrentCharacterToken(type, String.fromCodePoint(cp));\n    }\n    //NOTE: used when we emit characters explicitly.\n    //This is always for non-whitespace and non-null characters, which allows us to avoid additional checks.\n    _emitChars(ch) {\n        this._appendCharToCurrentCharacterToken(TokenType.CHARACTER, ch);\n    }\n    // Character reference helpers\n    _matchNamedCharacterReference(cp) {\n        let result = null;\n        let excess = 0;\n        let withoutSemicolon = false;\n        for (let i = 0, current = htmlDecodeTree[0]; i >= 0; cp = this._consume()) {\n            i = determineBranch(htmlDecodeTree, current, i + 1, cp);\n            if (i < 0)\n                break;\n            excess += 1;\n            current = htmlDecodeTree[i];\n            const masked = current & BinTrieFlags.VALUE_LENGTH;\n            // If the branch is a value, store it and continue\n            if (masked) {\n                // The mask is the number of bytes of the value, including the current byte.\n                const valueLength = (masked >> 14) - 1;\n                // Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.\n                // See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state\n                if (cp !== $.SEMICOLON &&\n                    this._isCharacterReferenceInAttribute() &&\n                    isEntityInAttributeInvalidEnd(this.preprocessor.peek(1))) {\n                    //NOTE: we don't flush all consumed code points here, and instead switch back to the original state after\n                    //emitting an ampersand. This is fine, as alphanumeric characters won't be parsed differently in attributes.\n                    result = [$.AMPERSAND];\n                    // Skip over the value.\n                    i += valueLength;\n                }\n                else {\n                    // If this is a surrogate pair, consume the next two bytes.\n                    result =\n                        valueLength === 0\n                            ? [htmlDecodeTree[i] & ~BinTrieFlags.VALUE_LENGTH]\n                            : valueLength === 1\n                                ? [htmlDecodeTree[++i]]\n                                : [htmlDecodeTree[++i], htmlDecodeTree[++i]];\n                    excess = 0;\n                    withoutSemicolon = cp !== $.SEMICOLON;\n                }\n                if (valueLength === 0) {\n                    // If the value is zero-length, we're done.\n                    this._consume();\n                    break;\n                }\n            }\n        }\n        this._unconsume(excess);\n        if (withoutSemicolon && !this.preprocessor.endOfChunkHit) {\n            this._err(ERR.missingSemicolonAfterCharacterReference);\n        }\n        // We want to emit the error above on the code point after the entity.\n        // We always consume one code point too many in the loop, and we wait to\n        // unconsume it until after the error is emitted.\n        this._unconsume(1);\n        return result;\n    }\n    _isCharacterReferenceInAttribute() {\n        return (this.returnState === State.ATTRIBUTE_VALUE_DOUBLE_QUOTED ||\n            this.returnState === State.ATTRIBUTE_VALUE_SINGLE_QUOTED ||\n            this.returnState === State.ATTRIBUTE_VALUE_UNQUOTED);\n    }\n    _flushCodePointConsumedAsCharacterReference(cp) {\n        if (this._isCharacterReferenceInAttribute()) {\n            this.currentAttr.value += String.fromCodePoint(cp);\n        }\n        else {\n            this._emitCodePoint(cp);\n        }\n    }\n    // Calling states this way turns out to be much faster than any other approach.\n    _callState(cp) {\n        switch (this.state) {\n            case State.DATA: {\n                this._stateData(cp);\n                break;\n            }\n            case State.RCDATA: {\n                this._stateRcdata(cp);\n                break;\n            }\n            case State.RAWTEXT: {\n                this._stateRawtext(cp);\n                break;\n            }\n            case State.SCRIPT_DATA: {\n                this._stateScriptData(cp);\n                break;\n            }\n            case State.PLAINTEXT: {\n                this._statePlaintext(cp);\n                break;\n            }\n            case State.TAG_OPEN: {\n                this._stateTagOpen(cp);\n                break;\n            }\n            case State.END_TAG_OPEN: {\n                this._stateEndTagOpen(cp);\n                break;\n            }\n            case State.TAG_NAME: {\n                this._stateTagName(cp);\n                break;\n            }\n            case State.RCDATA_LESS_THAN_SIGN: {\n                this._stateRcdataLessThanSign(cp);\n                break;\n            }\n            case State.RCDATA_END_TAG_OPEN: {\n                this._stateRcdataEndTagOpen(cp);\n                break;\n            }\n            case State.RCDATA_END_TAG_NAME: {\n                this._stateRcdataEndTagName(cp);\n                break;\n            }\n            case State.RAWTEXT_LESS_THAN_SIGN: {\n                this._stateRawtextLessThanSign(cp);\n                break;\n            }\n            case State.RAWTEXT_END_TAG_OPEN: {\n                this._stateRawtextEndTagOpen(cp);\n                break;\n            }\n            case State.RAWTEXT_END_TAG_NAME: {\n                this._stateRawtextEndTagName(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_LESS_THAN_SIGN: {\n                this._stateScriptDataLessThanSign(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_END_TAG_OPEN: {\n                this._stateScriptDataEndTagOpen(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_END_TAG_NAME: {\n                this._stateScriptDataEndTagName(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPE_START: {\n                this._stateScriptDataEscapeStart(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPE_START_DASH: {\n                this._stateScriptDataEscapeStartDash(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPED: {\n                this._stateScriptDataEscaped(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPED_DASH: {\n                this._stateScriptDataEscapedDash(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPED_DASH_DASH: {\n                this._stateScriptDataEscapedDashDash(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN: {\n                this._stateScriptDataEscapedLessThanSign(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPED_END_TAG_OPEN: {\n                this._stateScriptDataEscapedEndTagOpen(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_ESCAPED_END_TAG_NAME: {\n                this._stateScriptDataEscapedEndTagName(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_DOUBLE_ESCAPE_START: {\n                this._stateScriptDataDoubleEscapeStart(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_DOUBLE_ESCAPED: {\n                this._stateScriptDataDoubleEscaped(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH: {\n                this._stateScriptDataDoubleEscapedDash(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH: {\n                this._stateScriptDataDoubleEscapedDashDash(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN: {\n                this._stateScriptDataDoubleEscapedLessThanSign(cp);\n                break;\n            }\n            case State.SCRIPT_DATA_DOUBLE_ESCAPE_END: {\n                this._stateScriptDataDoubleEscapeEnd(cp);\n                break;\n            }\n            case State.BEFORE_ATTRIBUTE_NAME: {\n                this._stateBeforeAttributeName(cp);\n                break;\n            }\n            case State.ATTRIBUTE_NAME: {\n                this._stateAttributeName(cp);\n                break;\n            }\n            case State.AFTER_ATTRIBUTE_NAME: {\n                this._stateAfterAttributeName(cp);\n                break;\n            }\n            case State.BEFORE_ATTRIBUTE_VALUE: {\n                this._stateBeforeAttributeValue(cp);\n                break;\n            }\n            case State.ATTRIBUTE_VALUE_DOUBLE_QUOTED: {\n                this._stateAttributeValueDoubleQuoted(cp);\n                break;\n            }\n            case State.ATTRIBUTE_VALUE_SINGLE_QUOTED: {\n                this._stateAttributeValueSingleQuoted(cp);\n                break;\n            }\n            case State.ATTRIBUTE_VALUE_UNQUOTED: {\n                this._stateAttributeValueUnquoted(cp);\n                break;\n            }\n            case State.AFTER_ATTRIBUTE_VALUE_QUOTED: {\n                this._stateAfterAttributeValueQuoted(cp);\n                break;\n            }\n            case State.SELF_CLOSING_START_TAG: {\n                this._stateSelfClosingStartTag(cp);\n                break;\n            }\n            case State.BOGUS_COMMENT: {\n                this._stateBogusComment(cp);\n                break;\n            }\n            case State.MARKUP_DECLARATION_OPEN: {\n                this._stateMarkupDeclarationOpen(cp);\n                break;\n            }\n            case State.COMMENT_START: {\n                this._stateCommentStart(cp);\n                break;\n            }\n            case State.COMMENT_START_DASH: {\n                this._stateCommentStartDash(cp);\n                break;\n            }\n            case State.COMMENT: {\n                this._stateComment(cp);\n                break;\n            }\n            case State.COMMENT_LESS_THAN_SIGN: {\n                this._stateCommentLessThanSign(cp);\n                break;\n            }\n            case State.COMMENT_LESS_THAN_SIGN_BANG: {\n                this._stateCommentLessThanSignBang(cp);\n                break;\n            }\n            case State.COMMENT_LESS_THAN_SIGN_BANG_DASH: {\n                this._stateCommentLessThanSignBangDash(cp);\n                break;\n            }\n            case State.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH: {\n                this._stateCommentLessThanSignBangDashDash(cp);\n                break;\n            }\n            case State.COMMENT_END_DASH: {\n                this._stateCommentEndDash(cp);\n                break;\n            }\n            case State.COMMENT_END: {\n                this._stateCommentEnd(cp);\n                break;\n            }\n            case State.COMMENT_END_BANG: {\n                this._stateCommentEndBang(cp);\n                break;\n            }\n            case State.DOCTYPE: {\n                this._stateDoctype(cp);\n                break;\n            }\n            case State.BEFORE_DOCTYPE_NAME: {\n                this._stateBeforeDoctypeName(cp);\n                break;\n            }\n            case State.DOCTYPE_NAME: {\n                this._stateDoctypeName(cp);\n                break;\n            }\n            case State.AFTER_DOCTYPE_NAME: {\n                this._stateAfterDoctypeName(cp);\n                break;\n            }\n            case State.AFTER_DOCTYPE_PUBLIC_KEYWORD: {\n                this._stateAfterDoctypePublicKeyword(cp);\n                break;\n            }\n            case State.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER: {\n                this._stateBeforeDoctypePublicIdentifier(cp);\n                break;\n            }\n            case State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED: {\n                this._stateDoctypePublicIdentifierDoubleQuoted(cp);\n                break;\n            }\n            case State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED: {\n                this._stateDoctypePublicIdentifierSingleQuoted(cp);\n                break;\n            }\n            case State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER: {\n                this._stateAfterDoctypePublicIdentifier(cp);\n                break;\n            }\n            case State.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS: {\n                this._stateBetweenDoctypePublicAndSystemIdentifiers(cp);\n                break;\n            }\n            case State.AFTER_DOCTYPE_SYSTEM_KEYWORD: {\n                this._stateAfterDoctypeSystemKeyword(cp);\n                break;\n            }\n            case State.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER: {\n                this._stateBeforeDoctypeSystemIdentifier(cp);\n                break;\n            }\n            case State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED: {\n                this._stateDoctypeSystemIdentifierDoubleQuoted(cp);\n                break;\n            }\n            case State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED: {\n                this._stateDoctypeSystemIdentifierSingleQuoted(cp);\n                break;\n            }\n            case State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER: {\n                this._stateAfterDoctypeSystemIdentifier(cp);\n                break;\n            }\n            case State.BOGUS_DOCTYPE: {\n                this._stateBogusDoctype(cp);\n                break;\n            }\n            case State.CDATA_SECTION: {\n                this._stateCdataSection(cp);\n                break;\n            }\n            case State.CDATA_SECTION_BRACKET: {\n                this._stateCdataSectionBracket(cp);\n                break;\n            }\n            case State.CDATA_SECTION_END: {\n                this._stateCdataSectionEnd(cp);\n                break;\n            }\n            case State.CHARACTER_REFERENCE: {\n                this._stateCharacterReference(cp);\n                break;\n            }\n            case State.NAMED_CHARACTER_REFERENCE: {\n                this._stateNamedCharacterReference(cp);\n                break;\n            }\n            case State.AMBIGUOUS_AMPERSAND: {\n                this._stateAmbiguousAmpersand(cp);\n                break;\n            }\n            case State.NUMERIC_CHARACTER_REFERENCE: {\n                this._stateNumericCharacterReference(cp);\n                break;\n            }\n            case State.HEXADEMICAL_CHARACTER_REFERENCE_START: {\n                this._stateHexademicalCharacterReferenceStart(cp);\n                break;\n            }\n            case State.HEXADEMICAL_CHARACTER_REFERENCE: {\n                this._stateHexademicalCharacterReference(cp);\n                break;\n            }\n            case State.DECIMAL_CHARACTER_REFERENCE: {\n                this._stateDecimalCharacterReference(cp);\n                break;\n            }\n            case State.NUMERIC_CHARACTER_REFERENCE_END: {\n                this._stateNumericCharacterReferenceEnd(cp);\n                break;\n            }\n            default: {\n                throw new Error('Unknown state');\n            }\n        }\n    }\n    // State machine\n    // Data state\n    //------------------------------------------------------------------\n    _stateData(cp) {\n        switch (cp) {\n            case $.LESS_THAN_SIGN: {\n                this.state = State.TAG_OPEN;\n                break;\n            }\n            case $.AMPERSAND: {\n                this.returnState = State.DATA;\n                this.state = State.CHARACTER_REFERENCE;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this._emitCodePoint(cp);\n                break;\n            }\n            case $.EOF: {\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    //  RCDATA state\n    //------------------------------------------------------------------\n    _stateRcdata(cp) {\n        switch (cp) {\n            case $.AMPERSAND: {\n                this.returnState = State.RCDATA;\n                this.state = State.CHARACTER_REFERENCE;\n                break;\n            }\n            case $.LESS_THAN_SIGN: {\n                this.state = State.RCDATA_LESS_THAN_SIGN;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this._emitChars(REPLACEMENT_CHARACTER);\n                break;\n            }\n            case $.EOF: {\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    // RAWTEXT state\n    //------------------------------------------------------------------\n    _stateRawtext(cp) {\n        switch (cp) {\n            case $.LESS_THAN_SIGN: {\n                this.state = State.RAWTEXT_LESS_THAN_SIGN;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this._emitChars(REPLACEMENT_CHARACTER);\n                break;\n            }\n            case $.EOF: {\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    // Script data state\n    //------------------------------------------------------------------\n    _stateScriptData(cp) {\n        switch (cp) {\n            case $.LESS_THAN_SIGN: {\n                this.state = State.SCRIPT_DATA_LESS_THAN_SIGN;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this._emitChars(REPLACEMENT_CHARACTER);\n                break;\n            }\n            case $.EOF: {\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    // PLAINTEXT state\n    //------------------------------------------------------------------\n    _statePlaintext(cp) {\n        switch (cp) {\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this._emitChars(REPLACEMENT_CHARACTER);\n                break;\n            }\n            case $.EOF: {\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    // Tag open state\n    //------------------------------------------------------------------\n    _stateTagOpen(cp) {\n        if (isAsciiLetter(cp)) {\n            this._createStartTagToken();\n            this.state = State.TAG_NAME;\n            this._stateTagName(cp);\n        }\n        else\n            switch (cp) {\n                case $.EXCLAMATION_MARK: {\n                    this.state = State.MARKUP_DECLARATION_OPEN;\n                    break;\n                }\n                case $.SOLIDUS: {\n                    this.state = State.END_TAG_OPEN;\n                    break;\n                }\n                case $.QUESTION_MARK: {\n                    this._err(ERR.unexpectedQuestionMarkInsteadOfTagName);\n                    this._createCommentToken(1);\n                    this.state = State.BOGUS_COMMENT;\n                    this._stateBogusComment(cp);\n                    break;\n                }\n                case $.EOF: {\n                    this._err(ERR.eofBeforeTagName);\n                    this._emitChars('<');\n                    this._emitEOFToken();\n                    break;\n                }\n                default: {\n                    this._err(ERR.invalidFirstCharacterOfTagName);\n                    this._emitChars('<');\n                    this.state = State.DATA;\n                    this._stateData(cp);\n                }\n            }\n    }\n    // End tag open state\n    //------------------------------------------------------------------\n    _stateEndTagOpen(cp) {\n        if (isAsciiLetter(cp)) {\n            this._createEndTagToken();\n            this.state = State.TAG_NAME;\n            this._stateTagName(cp);\n        }\n        else\n            switch (cp) {\n                case $.GREATER_THAN_SIGN: {\n                    this._err(ERR.missingEndTagName);\n                    this.state = State.DATA;\n                    break;\n                }\n                case $.EOF: {\n                    this._err(ERR.eofBeforeTagName);\n                    this._emitChars('');\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this.state = State.SCRIPT_DATA_ESCAPED;\n                this._emitChars(REPLACEMENT_CHARACTER);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInScriptHtmlCommentLikeText);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this.state = State.SCRIPT_DATA_ESCAPED;\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    // Script data escaped less-than sign state\n    //------------------------------------------------------------------\n    _stateScriptDataEscapedLessThanSign(cp) {\n        if (cp === $.SOLIDUS) {\n            this.state = State.SCRIPT_DATA_ESCAPED_END_TAG_OPEN;\n        }\n        else if (isAsciiLetter(cp)) {\n            this._emitChars('<');\n            this.state = State.SCRIPT_DATA_DOUBLE_ESCAPE_START;\n            this._stateScriptDataDoubleEscapeStart(cp);\n        }\n        else {\n            this._emitChars('<');\n            this.state = State.SCRIPT_DATA_ESCAPED;\n            this._stateScriptDataEscaped(cp);\n        }\n    }\n    // Script data escaped end tag open state\n    //------------------------------------------------------------------\n    _stateScriptDataEscapedEndTagOpen(cp) {\n        if (isAsciiLetter(cp)) {\n            this.state = State.SCRIPT_DATA_ESCAPED_END_TAG_NAME;\n            this._stateScriptDataEscapedEndTagName(cp);\n        }\n        else {\n            this._emitChars('');\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;\n                this._emitChars(REPLACEMENT_CHARACTER);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInScriptHtmlCommentLikeText);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    // Script data double escaped less-than sign state\n    //------------------------------------------------------------------\n    _stateScriptDataDoubleEscapedLessThanSign(cp) {\n        if (cp === $.SOLIDUS) {\n            this.state = State.SCRIPT_DATA_DOUBLE_ESCAPE_END;\n            this._emitChars('/');\n        }\n        else {\n            this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;\n            this._stateScriptDataDoubleEscaped(cp);\n        }\n    }\n    // Script data double escape end state\n    //------------------------------------------------------------------\n    _stateScriptDataDoubleEscapeEnd(cp) {\n        if (this.preprocessor.startsWith($$.SCRIPT, false) &&\n            isScriptDataDoubleEscapeSequenceEnd(this.preprocessor.peek($$.SCRIPT.length))) {\n            this._emitCodePoint(cp);\n            for (let i = 0; i < $$.SCRIPT.length; i++) {\n                this._emitCodePoint(this._consume());\n            }\n            this.state = State.SCRIPT_DATA_ESCAPED;\n        }\n        else if (!this._ensureHibernation()) {\n            this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;\n            this._stateScriptDataDoubleEscaped(cp);\n        }\n    }\n    // Before attribute name state\n    //------------------------------------------------------------------\n    _stateBeforeAttributeName(cp) {\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.SOLIDUS:\n            case $.GREATER_THAN_SIGN:\n            case $.EOF: {\n                this.state = State.AFTER_ATTRIBUTE_NAME;\n                this._stateAfterAttributeName(cp);\n                break;\n            }\n            case $.EQUALS_SIGN: {\n                this._err(ERR.unexpectedEqualsSignBeforeAttributeName);\n                this._createAttr('=');\n                this.state = State.ATTRIBUTE_NAME;\n                break;\n            }\n            default: {\n                this._createAttr('');\n                this.state = State.ATTRIBUTE_NAME;\n                this._stateAttributeName(cp);\n            }\n        }\n    }\n    // Attribute name state\n    //------------------------------------------------------------------\n    _stateAttributeName(cp) {\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED:\n            case $.SOLIDUS:\n            case $.GREATER_THAN_SIGN:\n            case $.EOF: {\n                this._leaveAttrName();\n                this.state = State.AFTER_ATTRIBUTE_NAME;\n                this._stateAfterAttributeName(cp);\n                break;\n            }\n            case $.EQUALS_SIGN: {\n                this._leaveAttrName();\n                this.state = State.BEFORE_ATTRIBUTE_VALUE;\n                break;\n            }\n            case $.QUOTATION_MARK:\n            case $.APOSTROPHE:\n            case $.LESS_THAN_SIGN: {\n                this._err(ERR.unexpectedCharacterInAttributeName);\n                this.currentAttr.name += String.fromCodePoint(cp);\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this.currentAttr.name += REPLACEMENT_CHARACTER;\n                break;\n            }\n            default: {\n                this.currentAttr.name += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);\n            }\n        }\n    }\n    // After attribute name state\n    //------------------------------------------------------------------\n    _stateAfterAttributeName(cp) {\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.SOLIDUS: {\n                this.state = State.SELF_CLOSING_START_TAG;\n                break;\n            }\n            case $.EQUALS_SIGN: {\n                this.state = State.BEFORE_ATTRIBUTE_VALUE;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.DATA;\n                this.emitCurrentTagToken();\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInTag);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._createAttr('');\n                this.state = State.ATTRIBUTE_NAME;\n                this._stateAttributeName(cp);\n            }\n        }\n    }\n    // Before attribute value state\n    //------------------------------------------------------------------\n    _stateBeforeAttributeValue(cp) {\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.QUOTATION_MARK: {\n                this.state = State.ATTRIBUTE_VALUE_DOUBLE_QUOTED;\n                break;\n            }\n            case $.APOSTROPHE: {\n                this.state = State.ATTRIBUTE_VALUE_SINGLE_QUOTED;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.missingAttributeValue);\n                this.state = State.DATA;\n                this.emitCurrentTagToken();\n                break;\n            }\n            default: {\n                this.state = State.ATTRIBUTE_VALUE_UNQUOTED;\n                this._stateAttributeValueUnquoted(cp);\n            }\n        }\n    }\n    // Attribute value (double-quoted) state\n    //------------------------------------------------------------------\n    _stateAttributeValueDoubleQuoted(cp) {\n        switch (cp) {\n            case $.QUOTATION_MARK: {\n                this.state = State.AFTER_ATTRIBUTE_VALUE_QUOTED;\n                break;\n            }\n            case $.AMPERSAND: {\n                this.returnState = State.ATTRIBUTE_VALUE_DOUBLE_QUOTED;\n                this.state = State.CHARACTER_REFERENCE;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this.currentAttr.value += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInTag);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this.currentAttr.value += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // Attribute value (single-quoted) state\n    //------------------------------------------------------------------\n    _stateAttributeValueSingleQuoted(cp) {\n        switch (cp) {\n            case $.APOSTROPHE: {\n                this.state = State.AFTER_ATTRIBUTE_VALUE_QUOTED;\n                break;\n            }\n            case $.AMPERSAND: {\n                this.returnState = State.ATTRIBUTE_VALUE_SINGLE_QUOTED;\n                this.state = State.CHARACTER_REFERENCE;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this.currentAttr.value += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInTag);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this.currentAttr.value += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // Attribute value (unquoted) state\n    //------------------------------------------------------------------\n    _stateAttributeValueUnquoted(cp) {\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                this._leaveAttrValue();\n                this.state = State.BEFORE_ATTRIBUTE_NAME;\n                break;\n            }\n            case $.AMPERSAND: {\n                this.returnState = State.ATTRIBUTE_VALUE_UNQUOTED;\n                this.state = State.CHARACTER_REFERENCE;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._leaveAttrValue();\n                this.state = State.DATA;\n                this.emitCurrentTagToken();\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                this.currentAttr.value += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.QUOTATION_MARK:\n            case $.APOSTROPHE:\n            case $.LESS_THAN_SIGN:\n            case $.EQUALS_SIGN:\n            case $.GRAVE_ACCENT: {\n                this._err(ERR.unexpectedCharacterInUnquotedAttributeValue);\n                this.currentAttr.value += String.fromCodePoint(cp);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInTag);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this.currentAttr.value += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // After attribute value (quoted) state\n    //------------------------------------------------------------------\n    _stateAfterAttributeValueQuoted(cp) {\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                this._leaveAttrValue();\n                this.state = State.BEFORE_ATTRIBUTE_NAME;\n                break;\n            }\n            case $.SOLIDUS: {\n                this._leaveAttrValue();\n                this.state = State.SELF_CLOSING_START_TAG;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._leaveAttrValue();\n                this.state = State.DATA;\n                this.emitCurrentTagToken();\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInTag);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingWhitespaceBetweenAttributes);\n                this.state = State.BEFORE_ATTRIBUTE_NAME;\n                this._stateBeforeAttributeName(cp);\n            }\n        }\n    }\n    // Self-closing start tag state\n    //------------------------------------------------------------------\n    _stateSelfClosingStartTag(cp) {\n        switch (cp) {\n            case $.GREATER_THAN_SIGN: {\n                const token = this.currentToken;\n                token.selfClosing = true;\n                this.state = State.DATA;\n                this.emitCurrentTagToken();\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInTag);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.unexpectedSolidusInTag);\n                this.state = State.BEFORE_ATTRIBUTE_NAME;\n                this._stateBeforeAttributeName(cp);\n            }\n        }\n    }\n    // Bogus comment state\n    //------------------------------------------------------------------\n    _stateBogusComment(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.DATA;\n                this.emitCurrentComment(token);\n                break;\n            }\n            case $.EOF: {\n                this.emitCurrentComment(token);\n                this._emitEOFToken();\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                token.data += REPLACEMENT_CHARACTER;\n                break;\n            }\n            default: {\n                token.data += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // Markup declaration open state\n    //------------------------------------------------------------------\n    _stateMarkupDeclarationOpen(cp) {\n        if (this._consumeSequenceIfMatch($$.DASH_DASH, true)) {\n            this._createCommentToken($$.DASH_DASH.length + 1);\n            this.state = State.COMMENT_START;\n        }\n        else if (this._consumeSequenceIfMatch($$.DOCTYPE, false)) {\n            // NOTE: Doctypes tokens are created without fixed offsets. We keep track of the moment a doctype *might* start here.\n            this.currentLocation = this.getCurrentLocation($$.DOCTYPE.length + 1);\n            this.state = State.DOCTYPE;\n        }\n        else if (this._consumeSequenceIfMatch($$.CDATA_START, true)) {\n            if (this.inForeignNode) {\n                this.state = State.CDATA_SECTION;\n            }\n            else {\n                this._err(ERR.cdataInHtmlContent);\n                this._createCommentToken($$.CDATA_START.length + 1);\n                this.currentToken.data = '[CDATA[';\n                this.state = State.BOGUS_COMMENT;\n            }\n        }\n        //NOTE: Sequence lookups can be abrupted by hibernation. In that case, lookup\n        //results are no longer valid and we will need to start over.\n        else if (!this._ensureHibernation()) {\n            this._err(ERR.incorrectlyOpenedComment);\n            this._createCommentToken(2);\n            this.state = State.BOGUS_COMMENT;\n            this._stateBogusComment(cp);\n        }\n    }\n    // Comment start state\n    //------------------------------------------------------------------\n    _stateCommentStart(cp) {\n        switch (cp) {\n            case $.HYPHEN_MINUS: {\n                this.state = State.COMMENT_START_DASH;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.abruptClosingOfEmptyComment);\n                this.state = State.DATA;\n                const token = this.currentToken;\n                this.emitCurrentComment(token);\n                break;\n            }\n            default: {\n                this.state = State.COMMENT;\n                this._stateComment(cp);\n            }\n        }\n    }\n    // Comment start dash state\n    //------------------------------------------------------------------\n    _stateCommentStartDash(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.HYPHEN_MINUS: {\n                this.state = State.COMMENT_END;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.abruptClosingOfEmptyComment);\n                this.state = State.DATA;\n                this.emitCurrentComment(token);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInComment);\n                this.emitCurrentComment(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.data += '-';\n                this.state = State.COMMENT;\n                this._stateComment(cp);\n            }\n        }\n    }\n    // Comment state\n    //------------------------------------------------------------------\n    _stateComment(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.HYPHEN_MINUS: {\n                this.state = State.COMMENT_END_DASH;\n                break;\n            }\n            case $.LESS_THAN_SIGN: {\n                token.data += '<';\n                this.state = State.COMMENT_LESS_THAN_SIGN;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                token.data += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInComment);\n                this.emitCurrentComment(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.data += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // Comment less-than sign state\n    //------------------------------------------------------------------\n    _stateCommentLessThanSign(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.EXCLAMATION_MARK: {\n                token.data += '!';\n                this.state = State.COMMENT_LESS_THAN_SIGN_BANG;\n                break;\n            }\n            case $.LESS_THAN_SIGN: {\n                token.data += '<';\n                break;\n            }\n            default: {\n                this.state = State.COMMENT;\n                this._stateComment(cp);\n            }\n        }\n    }\n    // Comment less-than sign bang state\n    //------------------------------------------------------------------\n    _stateCommentLessThanSignBang(cp) {\n        if (cp === $.HYPHEN_MINUS) {\n            this.state = State.COMMENT_LESS_THAN_SIGN_BANG_DASH;\n        }\n        else {\n            this.state = State.COMMENT;\n            this._stateComment(cp);\n        }\n    }\n    // Comment less-than sign bang dash state\n    //------------------------------------------------------------------\n    _stateCommentLessThanSignBangDash(cp) {\n        if (cp === $.HYPHEN_MINUS) {\n            this.state = State.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH;\n        }\n        else {\n            this.state = State.COMMENT_END_DASH;\n            this._stateCommentEndDash(cp);\n        }\n    }\n    // Comment less-than sign bang dash dash state\n    //------------------------------------------------------------------\n    _stateCommentLessThanSignBangDashDash(cp) {\n        if (cp !== $.GREATER_THAN_SIGN && cp !== $.EOF) {\n            this._err(ERR.nestedComment);\n        }\n        this.state = State.COMMENT_END;\n        this._stateCommentEnd(cp);\n    }\n    // Comment end dash state\n    //------------------------------------------------------------------\n    _stateCommentEndDash(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.HYPHEN_MINUS: {\n                this.state = State.COMMENT_END;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInComment);\n                this.emitCurrentComment(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.data += '-';\n                this.state = State.COMMENT;\n                this._stateComment(cp);\n            }\n        }\n    }\n    // Comment end state\n    //------------------------------------------------------------------\n    _stateCommentEnd(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.DATA;\n                this.emitCurrentComment(token);\n                break;\n            }\n            case $.EXCLAMATION_MARK: {\n                this.state = State.COMMENT_END_BANG;\n                break;\n            }\n            case $.HYPHEN_MINUS: {\n                token.data += '-';\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInComment);\n                this.emitCurrentComment(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.data += '--';\n                this.state = State.COMMENT;\n                this._stateComment(cp);\n            }\n        }\n    }\n    // Comment end bang state\n    //------------------------------------------------------------------\n    _stateCommentEndBang(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.HYPHEN_MINUS: {\n                token.data += '--!';\n                this.state = State.COMMENT_END_DASH;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.incorrectlyClosedComment);\n                this.state = State.DATA;\n                this.emitCurrentComment(token);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInComment);\n                this.emitCurrentComment(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.data += '--!';\n                this.state = State.COMMENT;\n                this._stateComment(cp);\n            }\n        }\n    }\n    // DOCTYPE state\n    //------------------------------------------------------------------\n    _stateDoctype(cp) {\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                this.state = State.BEFORE_DOCTYPE_NAME;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.BEFORE_DOCTYPE_NAME;\n                this._stateBeforeDoctypeName(cp);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                this._createDoctypeToken(null);\n                const token = this.currentToken;\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingWhitespaceBeforeDoctypeName);\n                this.state = State.BEFORE_DOCTYPE_NAME;\n                this._stateBeforeDoctypeName(cp);\n            }\n        }\n    }\n    // Before DOCTYPE name state\n    //------------------------------------------------------------------\n    _stateBeforeDoctypeName(cp) {\n        if (isAsciiUpper(cp)) {\n            this._createDoctypeToken(String.fromCharCode(toAsciiLower(cp)));\n            this.state = State.DOCTYPE_NAME;\n        }\n        else\n            switch (cp) {\n                case $.SPACE:\n                case $.LINE_FEED:\n                case $.TABULATION:\n                case $.FORM_FEED: {\n                    // Ignore whitespace\n                    break;\n                }\n                case $.NULL: {\n                    this._err(ERR.unexpectedNullCharacter);\n                    this._createDoctypeToken(REPLACEMENT_CHARACTER);\n                    this.state = State.DOCTYPE_NAME;\n                    break;\n                }\n                case $.GREATER_THAN_SIGN: {\n                    this._err(ERR.missingDoctypeName);\n                    this._createDoctypeToken(null);\n                    const token = this.currentToken;\n                    token.forceQuirks = true;\n                    this.emitCurrentDoctype(token);\n                    this.state = State.DATA;\n                    break;\n                }\n                case $.EOF: {\n                    this._err(ERR.eofInDoctype);\n                    this._createDoctypeToken(null);\n                    const token = this.currentToken;\n                    token.forceQuirks = true;\n                    this.emitCurrentDoctype(token);\n                    this._emitEOFToken();\n                    break;\n                }\n                default: {\n                    this._createDoctypeToken(String.fromCodePoint(cp));\n                    this.state = State.DOCTYPE_NAME;\n                }\n            }\n    }\n    // DOCTYPE name state\n    //------------------------------------------------------------------\n    _stateDoctypeName(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                this.state = State.AFTER_DOCTYPE_NAME;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.DATA;\n                this.emitCurrentDoctype(token);\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                token.name += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.name += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);\n            }\n        }\n    }\n    // After DOCTYPE name state\n    //------------------------------------------------------------------\n    _stateAfterDoctypeName(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.DATA;\n                this.emitCurrentDoctype(token);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                if (this._consumeSequenceIfMatch($$.PUBLIC, false)) {\n                    this.state = State.AFTER_DOCTYPE_PUBLIC_KEYWORD;\n                }\n                else if (this._consumeSequenceIfMatch($$.SYSTEM, false)) {\n                    this.state = State.AFTER_DOCTYPE_SYSTEM_KEYWORD;\n                }\n                //NOTE: sequence lookup can be abrupted by hibernation. In that case lookup\n                //results are no longer valid and we will need to start over.\n                else if (!this._ensureHibernation()) {\n                    this._err(ERR.invalidCharacterSequenceAfterDoctypeName);\n                    token.forceQuirks = true;\n                    this.state = State.BOGUS_DOCTYPE;\n                    this._stateBogusDoctype(cp);\n                }\n            }\n        }\n    }\n    // After DOCTYPE public keyword state\n    //------------------------------------------------------------------\n    _stateAfterDoctypePublicKeyword(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                this.state = State.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER;\n                break;\n            }\n            case $.QUOTATION_MARK: {\n                this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);\n                token.publicId = '';\n                this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;\n                break;\n            }\n            case $.APOSTROPHE: {\n                this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);\n                token.publicId = '';\n                this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.missingDoctypePublicIdentifier);\n                token.forceQuirks = true;\n                this.state = State.DATA;\n                this.emitCurrentDoctype(token);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);\n                token.forceQuirks = true;\n                this.state = State.BOGUS_DOCTYPE;\n                this._stateBogusDoctype(cp);\n            }\n        }\n    }\n    // Before DOCTYPE public identifier state\n    //------------------------------------------------------------------\n    _stateBeforeDoctypePublicIdentifier(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.QUOTATION_MARK: {\n                token.publicId = '';\n                this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;\n                break;\n            }\n            case $.APOSTROPHE: {\n                token.publicId = '';\n                this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.missingDoctypePublicIdentifier);\n                token.forceQuirks = true;\n                this.state = State.DATA;\n                this.emitCurrentDoctype(token);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);\n                token.forceQuirks = true;\n                this.state = State.BOGUS_DOCTYPE;\n                this._stateBogusDoctype(cp);\n            }\n        }\n    }\n    // DOCTYPE public identifier (double-quoted) state\n    //------------------------------------------------------------------\n    _stateDoctypePublicIdentifierDoubleQuoted(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.QUOTATION_MARK: {\n                this.state = State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                token.publicId += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.abruptDoctypePublicIdentifier);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this.state = State.DATA;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.publicId += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // DOCTYPE public identifier (single-quoted) state\n    //------------------------------------------------------------------\n    _stateDoctypePublicIdentifierSingleQuoted(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.APOSTROPHE: {\n                this.state = State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                token.publicId += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.abruptDoctypePublicIdentifier);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this.state = State.DATA;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.publicId += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // After DOCTYPE public identifier state\n    //------------------------------------------------------------------\n    _stateAfterDoctypePublicIdentifier(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                this.state = State.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.DATA;\n                this.emitCurrentDoctype(token);\n                break;\n            }\n            case $.QUOTATION_MARK: {\n                this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;\n                break;\n            }\n            case $.APOSTROPHE: {\n                this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.state = State.BOGUS_DOCTYPE;\n                this._stateBogusDoctype(cp);\n            }\n        }\n    }\n    // Between DOCTYPE public and system identifiers state\n    //------------------------------------------------------------------\n    _stateBetweenDoctypePublicAndSystemIdentifiers(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this.emitCurrentDoctype(token);\n                this.state = State.DATA;\n                break;\n            }\n            case $.QUOTATION_MARK: {\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;\n                break;\n            }\n            case $.APOSTROPHE: {\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.state = State.BOGUS_DOCTYPE;\n                this._stateBogusDoctype(cp);\n            }\n        }\n    }\n    // After DOCTYPE system keyword state\n    //------------------------------------------------------------------\n    _stateAfterDoctypeSystemKeyword(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                this.state = State.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER;\n                break;\n            }\n            case $.QUOTATION_MARK: {\n                this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;\n                break;\n            }\n            case $.APOSTROPHE: {\n                this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.missingDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.state = State.DATA;\n                this.emitCurrentDoctype(token);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.state = State.BOGUS_DOCTYPE;\n                this._stateBogusDoctype(cp);\n            }\n        }\n    }\n    // Before DOCTYPE system identifier state\n    //------------------------------------------------------------------\n    _stateBeforeDoctypeSystemIdentifier(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.QUOTATION_MARK: {\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;\n                break;\n            }\n            case $.APOSTROPHE: {\n                token.systemId = '';\n                this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.missingDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.state = State.DATA;\n                this.emitCurrentDoctype(token);\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.state = State.BOGUS_DOCTYPE;\n                this._stateBogusDoctype(cp);\n            }\n        }\n    }\n    // DOCTYPE system identifier (double-quoted) state\n    //------------------------------------------------------------------\n    _stateDoctypeSystemIdentifierDoubleQuoted(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.QUOTATION_MARK: {\n                this.state = State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                token.systemId += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.abruptDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this.state = State.DATA;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.systemId += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // DOCTYPE system identifier (single-quoted) state\n    //------------------------------------------------------------------\n    _stateDoctypeSystemIdentifierSingleQuoted(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.APOSTROPHE: {\n                this.state = State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                token.systemId += REPLACEMENT_CHARACTER;\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this._err(ERR.abruptDoctypeSystemIdentifier);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this.state = State.DATA;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                token.systemId += String.fromCodePoint(cp);\n            }\n        }\n    }\n    // After DOCTYPE system identifier state\n    //------------------------------------------------------------------\n    _stateAfterDoctypeSystemIdentifier(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.SPACE:\n            case $.LINE_FEED:\n            case $.TABULATION:\n            case $.FORM_FEED: {\n                // Ignore whitespace\n                break;\n            }\n            case $.GREATER_THAN_SIGN: {\n                this.emitCurrentDoctype(token);\n                this.state = State.DATA;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInDoctype);\n                token.forceQuirks = true;\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._err(ERR.unexpectedCharacterAfterDoctypeSystemIdentifier);\n                this.state = State.BOGUS_DOCTYPE;\n                this._stateBogusDoctype(cp);\n            }\n        }\n    }\n    // Bogus DOCTYPE state\n    //------------------------------------------------------------------\n    _stateBogusDoctype(cp) {\n        const token = this.currentToken;\n        switch (cp) {\n            case $.GREATER_THAN_SIGN: {\n                this.emitCurrentDoctype(token);\n                this.state = State.DATA;\n                break;\n            }\n            case $.NULL: {\n                this._err(ERR.unexpectedNullCharacter);\n                break;\n            }\n            case $.EOF: {\n                this.emitCurrentDoctype(token);\n                this._emitEOFToken();\n                break;\n            }\n            default:\n            // Do nothing\n        }\n    }\n    // CDATA section state\n    //------------------------------------------------------------------\n    _stateCdataSection(cp) {\n        switch (cp) {\n            case $.RIGHT_SQUARE_BRACKET: {\n                this.state = State.CDATA_SECTION_BRACKET;\n                break;\n            }\n            case $.EOF: {\n                this._err(ERR.eofInCdata);\n                this._emitEOFToken();\n                break;\n            }\n            default: {\n                this._emitCodePoint(cp);\n            }\n        }\n    }\n    // CDATA section bracket state\n    //------------------------------------------------------------------\n    _stateCdataSectionBracket(cp) {\n        if (cp === $.RIGHT_SQUARE_BRACKET) {\n            this.state = State.CDATA_SECTION_END;\n        }\n        else {\n            this._emitChars(']');\n            this.state = State.CDATA_SECTION;\n            this._stateCdataSection(cp);\n        }\n    }\n    // CDATA section end state\n    //------------------------------------------------------------------\n    _stateCdataSectionEnd(cp) {\n        switch (cp) {\n            case $.GREATER_THAN_SIGN: {\n                this.state = State.DATA;\n                break;\n            }\n            case $.RIGHT_SQUARE_BRACKET: {\n                this._emitChars(']');\n                break;\n            }\n            default: {\n                this._emitChars(']]');\n                this.state = State.CDATA_SECTION;\n                this._stateCdataSection(cp);\n            }\n        }\n    }\n    // Character reference state\n    //------------------------------------------------------------------\n    _stateCharacterReference(cp) {\n        if (cp === $.NUMBER_SIGN) {\n            this.state = State.NUMERIC_CHARACTER_REFERENCE;\n        }\n        else if (isAsciiAlphaNumeric(cp)) {\n            this.state = State.NAMED_CHARACTER_REFERENCE;\n            this._stateNamedCharacterReference(cp);\n        }\n        else {\n            this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);\n            this._reconsumeInState(this.returnState, cp);\n        }\n    }\n    // Named character reference state\n    //------------------------------------------------------------------\n    _stateNamedCharacterReference(cp) {\n        const matchResult = this._matchNamedCharacterReference(cp);\n        //NOTE: Matching can be abrupted by hibernation. In that case, match\n        //results are no longer valid and we will need to start over.\n        if (this._ensureHibernation()) {\n            // Stay in the state, try again.\n        }\n        else if (matchResult) {\n            for (let i = 0; i < matchResult.length; i++) {\n                this._flushCodePointConsumedAsCharacterReference(matchResult[i]);\n            }\n            this.state = this.returnState;\n        }\n        else {\n            this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);\n            this.state = State.AMBIGUOUS_AMPERSAND;\n        }\n    }\n    // Ambiguos ampersand state\n    //------------------------------------------------------------------\n    _stateAmbiguousAmpersand(cp) {\n        if (isAsciiAlphaNumeric(cp)) {\n            this._flushCodePointConsumedAsCharacterReference(cp);\n        }\n        else {\n            if (cp === $.SEMICOLON) {\n                this._err(ERR.unknownNamedCharacterReference);\n            }\n            this._reconsumeInState(this.returnState, cp);\n        }\n    }\n    // Numeric character reference state\n    //------------------------------------------------------------------\n    _stateNumericCharacterReference(cp) {\n        this.charRefCode = 0;\n        if (cp === $.LATIN_SMALL_X || cp === $.LATIN_CAPITAL_X) {\n            this.state = State.HEXADEMICAL_CHARACTER_REFERENCE_START;\n        }\n        // Inlined decimal character reference start state\n        else if (isAsciiDigit(cp)) {\n            this.state = State.DECIMAL_CHARACTER_REFERENCE;\n            this._stateDecimalCharacterReference(cp);\n        }\n        else {\n            this._err(ERR.absenceOfDigitsInNumericCharacterReference);\n            this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);\n            this._flushCodePointConsumedAsCharacterReference($.NUMBER_SIGN);\n            this._reconsumeInState(this.returnState, cp);\n        }\n    }\n    // Hexademical character reference start state\n    //------------------------------------------------------------------\n    _stateHexademicalCharacterReferenceStart(cp) {\n        if (isAsciiHexDigit(cp)) {\n            this.state = State.HEXADEMICAL_CHARACTER_REFERENCE;\n            this._stateHexademicalCharacterReference(cp);\n        }\n        else {\n            this._err(ERR.absenceOfDigitsInNumericCharacterReference);\n            this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);\n            this._flushCodePointConsumedAsCharacterReference($.NUMBER_SIGN);\n            this._unconsume(2);\n            this.state = this.returnState;\n        }\n    }\n    // Hexademical character reference state\n    //------------------------------------------------------------------\n    _stateHexademicalCharacterReference(cp) {\n        if (isAsciiUpperHexDigit(cp)) {\n            this.charRefCode = this.charRefCode * 16 + cp - 0x37;\n        }\n        else if (isAsciiLowerHexDigit(cp)) {\n            this.charRefCode = this.charRefCode * 16 + cp - 0x57;\n        }\n        else if (isAsciiDigit(cp)) {\n            this.charRefCode = this.charRefCode * 16 + cp - 0x30;\n        }\n        else if (cp === $.SEMICOLON) {\n            this.state = State.NUMERIC_CHARACTER_REFERENCE_END;\n        }\n        else {\n            this._err(ERR.missingSemicolonAfterCharacterReference);\n            this.state = State.NUMERIC_CHARACTER_REFERENCE_END;\n            this._stateNumericCharacterReferenceEnd(cp);\n        }\n    }\n    // Decimal character reference state\n    //------------------------------------------------------------------\n    _stateDecimalCharacterReference(cp) {\n        if (isAsciiDigit(cp)) {\n            this.charRefCode = this.charRefCode * 10 + cp - 0x30;\n        }\n        else if (cp === $.SEMICOLON) {\n            this.state = State.NUMERIC_CHARACTER_REFERENCE_END;\n        }\n        else {\n            this._err(ERR.missingSemicolonAfterCharacterReference);\n            this.state = State.NUMERIC_CHARACTER_REFERENCE_END;\n            this._stateNumericCharacterReferenceEnd(cp);\n        }\n    }\n    // Numeric character reference end state\n    //------------------------------------------------------------------\n    _stateNumericCharacterReferenceEnd(cp) {\n        if (this.charRefCode === $.NULL) {\n            this._err(ERR.nullCharacterReference);\n            this.charRefCode = $.REPLACEMENT_CHARACTER;\n        }\n        else if (this.charRefCode > 1114111) {\n            this._err(ERR.characterReferenceOutsideUnicodeRange);\n            this.charRefCode = $.REPLACEMENT_CHARACTER;\n        }\n        else if (isSurrogate(this.charRefCode)) {\n            this._err(ERR.surrogateCharacterReference);\n            this.charRefCode = $.REPLACEMENT_CHARACTER;\n        }\n        else if (isUndefinedCodePoint(this.charRefCode)) {\n            this._err(ERR.noncharacterCharacterReference);\n        }\n        else if (isControlCodePoint(this.charRefCode) || this.charRefCode === $.CARRIAGE_RETURN) {\n            this._err(ERR.controlCharacterReference);\n            const replacement = C1_CONTROLS_REFERENCE_REPLACEMENTS.get(this.charRefCode);\n            if (replacement !== undefined) {\n                this.charRefCode = replacement;\n            }\n        }\n        this._flushCodePointConsumedAsCharacterReference(this.charRefCode);\n        this._reconsumeInState(this.returnState, cp);\n    }\n}\n//# sourceMappingURL=index.js.map","import { TAG_ID as $, NS, isNumberedHeader } from '../common/html.js';\n//Element utils\nconst IMPLICIT_END_TAG_REQUIRED = new Set([$.DD, $.DT, $.LI, $.OPTGROUP, $.OPTION, $.P, $.RB, $.RP, $.RT, $.RTC]);\nconst IMPLICIT_END_TAG_REQUIRED_THOROUGHLY = new Set([\n    ...IMPLICIT_END_TAG_REQUIRED,\n    $.CAPTION,\n    $.COLGROUP,\n    $.TBODY,\n    $.TD,\n    $.TFOOT,\n    $.TH,\n    $.THEAD,\n    $.TR,\n]);\nconst SCOPING_ELEMENT_NS = new Map([\n    [$.APPLET, NS.HTML],\n    [$.CAPTION, NS.HTML],\n    [$.HTML, NS.HTML],\n    [$.MARQUEE, NS.HTML],\n    [$.OBJECT, NS.HTML],\n    [$.TABLE, NS.HTML],\n    [$.TD, NS.HTML],\n    [$.TEMPLATE, NS.HTML],\n    [$.TH, NS.HTML],\n    [$.ANNOTATION_XML, NS.MATHML],\n    [$.MI, NS.MATHML],\n    [$.MN, NS.MATHML],\n    [$.MO, NS.MATHML],\n    [$.MS, NS.MATHML],\n    [$.MTEXT, NS.MATHML],\n    [$.DESC, NS.SVG],\n    [$.FOREIGN_OBJECT, NS.SVG],\n    [$.TITLE, NS.SVG],\n]);\nconst NAMED_HEADERS = [$.H1, $.H2, $.H3, $.H4, $.H5, $.H6];\nconst TABLE_ROW_CONTEXT = [$.TR, $.TEMPLATE, $.HTML];\nconst TABLE_BODY_CONTEXT = [$.TBODY, $.TFOOT, $.THEAD, $.TEMPLATE, $.HTML];\nconst TABLE_CONTEXT = [$.TABLE, $.TEMPLATE, $.HTML];\nconst TABLE_CELLS = [$.TD, $.TH];\n//Stack of open elements\nexport class OpenElementStack {\n    get currentTmplContentOrNode() {\n        return this._isInTemplate() ? this.treeAdapter.getTemplateContent(this.current) : this.current;\n    }\n    constructor(document, treeAdapter, handler) {\n        this.treeAdapter = treeAdapter;\n        this.handler = handler;\n        this.items = [];\n        this.tagIDs = [];\n        this.stackTop = -1;\n        this.tmplCount = 0;\n        this.currentTagId = $.UNKNOWN;\n        this.current = document;\n    }\n    //Index of element\n    _indexOf(element) {\n        return this.items.lastIndexOf(element, this.stackTop);\n    }\n    //Update current element\n    _isInTemplate() {\n        return this.currentTagId === $.TEMPLATE && this.treeAdapter.getNamespaceURI(this.current) === NS.HTML;\n    }\n    _updateCurrentElement() {\n        this.current = this.items[this.stackTop];\n        this.currentTagId = this.tagIDs[this.stackTop];\n    }\n    //Mutations\n    push(element, tagID) {\n        this.stackTop++;\n        this.items[this.stackTop] = element;\n        this.current = element;\n        this.tagIDs[this.stackTop] = tagID;\n        this.currentTagId = tagID;\n        if (this._isInTemplate()) {\n            this.tmplCount++;\n        }\n        this.handler.onItemPush(element, tagID, true);\n    }\n    pop() {\n        const popped = this.current;\n        if (this.tmplCount > 0 && this._isInTemplate()) {\n            this.tmplCount--;\n        }\n        this.stackTop--;\n        this._updateCurrentElement();\n        this.handler.onItemPop(popped, true);\n    }\n    replace(oldElement, newElement) {\n        const idx = this._indexOf(oldElement);\n        this.items[idx] = newElement;\n        if (idx === this.stackTop) {\n            this.current = newElement;\n        }\n    }\n    insertAfter(referenceElement, newElement, newElementID) {\n        const insertionIdx = this._indexOf(referenceElement) + 1;\n        this.items.splice(insertionIdx, 0, newElement);\n        this.tagIDs.splice(insertionIdx, 0, newElementID);\n        this.stackTop++;\n        if (insertionIdx === this.stackTop) {\n            this._updateCurrentElement();\n        }\n        this.handler.onItemPush(this.current, this.currentTagId, insertionIdx === this.stackTop);\n    }\n    popUntilTagNamePopped(tagName) {\n        let targetIdx = this.stackTop + 1;\n        do {\n            targetIdx = this.tagIDs.lastIndexOf(tagName, targetIdx - 1);\n        } while (targetIdx > 0 && this.treeAdapter.getNamespaceURI(this.items[targetIdx]) !== NS.HTML);\n        this.shortenToLength(targetIdx < 0 ? 0 : targetIdx);\n    }\n    shortenToLength(idx) {\n        while (this.stackTop >= idx) {\n            const popped = this.current;\n            if (this.tmplCount > 0 && this._isInTemplate()) {\n                this.tmplCount -= 1;\n            }\n            this.stackTop--;\n            this._updateCurrentElement();\n            this.handler.onItemPop(popped, this.stackTop < idx);\n        }\n    }\n    popUntilElementPopped(element) {\n        const idx = this._indexOf(element);\n        this.shortenToLength(idx < 0 ? 0 : idx);\n    }\n    popUntilPopped(tagNames, targetNS) {\n        const idx = this._indexOfTagNames(tagNames, targetNS);\n        this.shortenToLength(idx < 0 ? 0 : idx);\n    }\n    popUntilNumberedHeaderPopped() {\n        this.popUntilPopped(NAMED_HEADERS, NS.HTML);\n    }\n    popUntilTableCellPopped() {\n        this.popUntilPopped(TABLE_CELLS, NS.HTML);\n    }\n    popAllUpToHtmlElement() {\n        //NOTE: here we assume that the root  element is always first in the open element stack, so\n        //we perform this fast stack clean up.\n        this.tmplCount = 0;\n        this.shortenToLength(1);\n    }\n    _indexOfTagNames(tagNames, namespace) {\n        for (let i = this.stackTop; i >= 0; i--) {\n            if (tagNames.includes(this.tagIDs[i]) && this.treeAdapter.getNamespaceURI(this.items[i]) === namespace) {\n                return i;\n            }\n        }\n        return -1;\n    }\n    clearBackTo(tagNames, targetNS) {\n        const idx = this._indexOfTagNames(tagNames, targetNS);\n        this.shortenToLength(idx + 1);\n    }\n    clearBackToTableContext() {\n        this.clearBackTo(TABLE_CONTEXT, NS.HTML);\n    }\n    clearBackToTableBodyContext() {\n        this.clearBackTo(TABLE_BODY_CONTEXT, NS.HTML);\n    }\n    clearBackToTableRowContext() {\n        this.clearBackTo(TABLE_ROW_CONTEXT, NS.HTML);\n    }\n    remove(element) {\n        const idx = this._indexOf(element);\n        if (idx >= 0) {\n            if (idx === this.stackTop) {\n                this.pop();\n            }\n            else {\n                this.items.splice(idx, 1);\n                this.tagIDs.splice(idx, 1);\n                this.stackTop--;\n                this._updateCurrentElement();\n                this.handler.onItemPop(element, false);\n            }\n        }\n    }\n    //Search\n    tryPeekProperlyNestedBodyElement() {\n        //Properly nested  element (should be second element in stack).\n        return this.stackTop >= 1 && this.tagIDs[1] === $.BODY ? this.items[1] : null;\n    }\n    contains(element) {\n        return this._indexOf(element) > -1;\n    }\n    getCommonAncestor(element) {\n        const elementIdx = this._indexOf(element) - 1;\n        return elementIdx >= 0 ? this.items[elementIdx] : null;\n    }\n    isRootHtmlElementCurrent() {\n        return this.stackTop === 0 && this.tagIDs[0] === $.HTML;\n    }\n    //Element in scope\n    hasInScope(tagName) {\n        for (let i = this.stackTop; i >= 0; i--) {\n            const tn = this.tagIDs[i];\n            const ns = this.treeAdapter.getNamespaceURI(this.items[i]);\n            if (tn === tagName && ns === NS.HTML) {\n                return true;\n            }\n            if (SCOPING_ELEMENT_NS.get(tn) === ns) {\n                return false;\n            }\n        }\n        return true;\n    }\n    hasNumberedHeaderInScope() {\n        for (let i = this.stackTop; i >= 0; i--) {\n            const tn = this.tagIDs[i];\n            const ns = this.treeAdapter.getNamespaceURI(this.items[i]);\n            if (isNumberedHeader(tn) && ns === NS.HTML) {\n                return true;\n            }\n            if (SCOPING_ELEMENT_NS.get(tn) === ns) {\n                return false;\n            }\n        }\n        return true;\n    }\n    hasInListItemScope(tagName) {\n        for (let i = this.stackTop; i >= 0; i--) {\n            const tn = this.tagIDs[i];\n            const ns = this.treeAdapter.getNamespaceURI(this.items[i]);\n            if (tn === tagName && ns === NS.HTML) {\n                return true;\n            }\n            if (((tn === $.UL || tn === $.OL) && ns === NS.HTML) || SCOPING_ELEMENT_NS.get(tn) === ns) {\n                return false;\n            }\n        }\n        return true;\n    }\n    hasInButtonScope(tagName) {\n        for (let i = this.stackTop; i >= 0; i--) {\n            const tn = this.tagIDs[i];\n            const ns = this.treeAdapter.getNamespaceURI(this.items[i]);\n            if (tn === tagName && ns === NS.HTML) {\n                return true;\n            }\n            if ((tn === $.BUTTON && ns === NS.HTML) || SCOPING_ELEMENT_NS.get(tn) === ns) {\n                return false;\n            }\n        }\n        return true;\n    }\n    hasInTableScope(tagName) {\n        for (let i = this.stackTop; i >= 0; i--) {\n            const tn = this.tagIDs[i];\n            const ns = this.treeAdapter.getNamespaceURI(this.items[i]);\n            if (ns !== NS.HTML) {\n                continue;\n            }\n            if (tn === tagName) {\n                return true;\n            }\n            if (tn === $.TABLE || tn === $.TEMPLATE || tn === $.HTML) {\n                return false;\n            }\n        }\n        return true;\n    }\n    hasTableBodyContextInTableScope() {\n        for (let i = this.stackTop; i >= 0; i--) {\n            const tn = this.tagIDs[i];\n            const ns = this.treeAdapter.getNamespaceURI(this.items[i]);\n            if (ns !== NS.HTML) {\n                continue;\n            }\n            if (tn === $.TBODY || tn === $.THEAD || tn === $.TFOOT) {\n                return true;\n            }\n            if (tn === $.TABLE || tn === $.HTML) {\n                return false;\n            }\n        }\n        return true;\n    }\n    hasInSelectScope(tagName) {\n        for (let i = this.stackTop; i >= 0; i--) {\n            const tn = this.tagIDs[i];\n            const ns = this.treeAdapter.getNamespaceURI(this.items[i]);\n            if (ns !== NS.HTML) {\n                continue;\n            }\n            if (tn === tagName) {\n                return true;\n            }\n            if (tn !== $.OPTION && tn !== $.OPTGROUP) {\n                return false;\n            }\n        }\n        return true;\n    }\n    //Implied end tags\n    generateImpliedEndTags() {\n        while (IMPLICIT_END_TAG_REQUIRED.has(this.currentTagId)) {\n            this.pop();\n        }\n    }\n    generateImpliedEndTagsThoroughly() {\n        while (IMPLICIT_END_TAG_REQUIRED_THOROUGHLY.has(this.currentTagId)) {\n            this.pop();\n        }\n    }\n    generateImpliedEndTagsWithExclusion(exclusionId) {\n        while (this.currentTagId !== exclusionId && IMPLICIT_END_TAG_REQUIRED_THOROUGHLY.has(this.currentTagId)) {\n            this.pop();\n        }\n    }\n}\n//# sourceMappingURL=open-element-stack.js.map","//Const\nconst NOAH_ARK_CAPACITY = 3;\nexport var EntryType;\n(function (EntryType) {\n    EntryType[EntryType[\"Marker\"] = 0] = \"Marker\";\n    EntryType[EntryType[\"Element\"] = 1] = \"Element\";\n})(EntryType = EntryType || (EntryType = {}));\nconst MARKER = { type: EntryType.Marker };\n//List of formatting elements\nexport class FormattingElementList {\n    constructor(treeAdapter) {\n        this.treeAdapter = treeAdapter;\n        this.entries = [];\n        this.bookmark = null;\n    }\n    //Noah Ark's condition\n    //OPTIMIZATION: at first we try to find possible candidates for exclusion using\n    //lightweight heuristics without thorough attributes check.\n    _getNoahArkConditionCandidates(newElement, neAttrs) {\n        const candidates = [];\n        const neAttrsLength = neAttrs.length;\n        const neTagName = this.treeAdapter.getTagName(newElement);\n        const neNamespaceURI = this.treeAdapter.getNamespaceURI(newElement);\n        for (let i = 0; i < this.entries.length; i++) {\n            const entry = this.entries[i];\n            if (entry.type === EntryType.Marker) {\n                break;\n            }\n            const { element } = entry;\n            if (this.treeAdapter.getTagName(element) === neTagName &&\n                this.treeAdapter.getNamespaceURI(element) === neNamespaceURI) {\n                const elementAttrs = this.treeAdapter.getAttrList(element);\n                if (elementAttrs.length === neAttrsLength) {\n                    candidates.push({ idx: i, attrs: elementAttrs });\n                }\n            }\n        }\n        return candidates;\n    }\n    _ensureNoahArkCondition(newElement) {\n        if (this.entries.length < NOAH_ARK_CAPACITY)\n            return;\n        const neAttrs = this.treeAdapter.getAttrList(newElement);\n        const candidates = this._getNoahArkConditionCandidates(newElement, neAttrs);\n        if (candidates.length < NOAH_ARK_CAPACITY)\n            return;\n        //NOTE: build attrs map for the new element, so we can perform fast lookups\n        const neAttrsMap = new Map(neAttrs.map((neAttr) => [neAttr.name, neAttr.value]));\n        let validCandidates = 0;\n        //NOTE: remove bottommost candidates, until Noah's Ark condition will not be met\n        for (let i = 0; i < candidates.length; i++) {\n            const candidate = candidates[i];\n            // We know that `candidate.attrs.length === neAttrs.length`\n            if (candidate.attrs.every((cAttr) => neAttrsMap.get(cAttr.name) === cAttr.value)) {\n                validCandidates += 1;\n                if (validCandidates >= NOAH_ARK_CAPACITY) {\n                    this.entries.splice(candidate.idx, 1);\n                }\n            }\n        }\n    }\n    //Mutations\n    insertMarker() {\n        this.entries.unshift(MARKER);\n    }\n    pushElement(element, token) {\n        this._ensureNoahArkCondition(element);\n        this.entries.unshift({\n            type: EntryType.Element,\n            element,\n            token,\n        });\n    }\n    insertElementAfterBookmark(element, token) {\n        const bookmarkIdx = this.entries.indexOf(this.bookmark);\n        this.entries.splice(bookmarkIdx, 0, {\n            type: EntryType.Element,\n            element,\n            token,\n        });\n    }\n    removeEntry(entry) {\n        const entryIndex = this.entries.indexOf(entry);\n        if (entryIndex >= 0) {\n            this.entries.splice(entryIndex, 1);\n        }\n    }\n    /**\n     * Clears the list of formatting elements up to the last marker.\n     *\n     * @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-list-of-active-formatting-elements-up-to-the-last-marker\n     */\n    clearToLastMarker() {\n        const markerIdx = this.entries.indexOf(MARKER);\n        if (markerIdx >= 0) {\n            this.entries.splice(0, markerIdx + 1);\n        }\n        else {\n            this.entries.length = 0;\n        }\n    }\n    //Search\n    getElementEntryInScopeWithTagName(tagName) {\n        const entry = this.entries.find((entry) => entry.type === EntryType.Marker || this.treeAdapter.getTagName(entry.element) === tagName);\n        return entry && entry.type === EntryType.Element ? entry : null;\n    }\n    getElementEntry(element) {\n        return this.entries.find((entry) => entry.type === EntryType.Element && entry.element === element);\n    }\n}\n//# sourceMappingURL=formatting-element-list.js.map","import { DOCUMENT_MODE } from '../common/html.js';\nfunction createTextNode(value) {\n    return {\n        nodeName: '#text',\n        value,\n        parentNode: null,\n    };\n}\nexport const defaultTreeAdapter = {\n    //Node construction\n    createDocument() {\n        return {\n            nodeName: '#document',\n            mode: DOCUMENT_MODE.NO_QUIRKS,\n            childNodes: [],\n        };\n    },\n    createDocumentFragment() {\n        return {\n            nodeName: '#document-fragment',\n            childNodes: [],\n        };\n    },\n    createElement(tagName, namespaceURI, attrs) {\n        return {\n            nodeName: tagName,\n            tagName,\n            attrs,\n            namespaceURI,\n            childNodes: [],\n            parentNode: null,\n        };\n    },\n    createCommentNode(data) {\n        return {\n            nodeName: '#comment',\n            data,\n            parentNode: null,\n        };\n    },\n    //Tree mutation\n    appendChild(parentNode, newNode) {\n        parentNode.childNodes.push(newNode);\n        newNode.parentNode = parentNode;\n    },\n    insertBefore(parentNode, newNode, referenceNode) {\n        const insertionIdx = parentNode.childNodes.indexOf(referenceNode);\n        parentNode.childNodes.splice(insertionIdx, 0, newNode);\n        newNode.parentNode = parentNode;\n    },\n    setTemplateContent(templateElement, contentElement) {\n        templateElement.content = contentElement;\n    },\n    getTemplateContent(templateElement) {\n        return templateElement.content;\n    },\n    setDocumentType(document, name, publicId, systemId) {\n        const doctypeNode = document.childNodes.find((node) => node.nodeName === '#documentType');\n        if (doctypeNode) {\n            doctypeNode.name = name;\n            doctypeNode.publicId = publicId;\n            doctypeNode.systemId = systemId;\n        }\n        else {\n            const node = {\n                nodeName: '#documentType',\n                name,\n                publicId,\n                systemId,\n                parentNode: null,\n            };\n            defaultTreeAdapter.appendChild(document, node);\n        }\n    },\n    setDocumentMode(document, mode) {\n        document.mode = mode;\n    },\n    getDocumentMode(document) {\n        return document.mode;\n    },\n    detachNode(node) {\n        if (node.parentNode) {\n            const idx = node.parentNode.childNodes.indexOf(node);\n            node.parentNode.childNodes.splice(idx, 1);\n            node.parentNode = null;\n        }\n    },\n    insertText(parentNode, text) {\n        if (parentNode.childNodes.length > 0) {\n            const prevNode = parentNode.childNodes[parentNode.childNodes.length - 1];\n            if (defaultTreeAdapter.isTextNode(prevNode)) {\n                prevNode.value += text;\n                return;\n            }\n        }\n        defaultTreeAdapter.appendChild(parentNode, createTextNode(text));\n    },\n    insertTextBefore(parentNode, text, referenceNode) {\n        const prevNode = parentNode.childNodes[parentNode.childNodes.indexOf(referenceNode) - 1];\n        if (prevNode && defaultTreeAdapter.isTextNode(prevNode)) {\n            prevNode.value += text;\n        }\n        else {\n            defaultTreeAdapter.insertBefore(parentNode, createTextNode(text), referenceNode);\n        }\n    },\n    adoptAttributes(recipient, attrs) {\n        const recipientAttrsMap = new Set(recipient.attrs.map((attr) => attr.name));\n        for (let j = 0; j < attrs.length; j++) {\n            if (!recipientAttrsMap.has(attrs[j].name)) {\n                recipient.attrs.push(attrs[j]);\n            }\n        }\n    },\n    //Tree traversing\n    getFirstChild(node) {\n        return node.childNodes[0];\n    },\n    getChildNodes(node) {\n        return node.childNodes;\n    },\n    getParentNode(node) {\n        return node.parentNode;\n    },\n    getAttrList(element) {\n        return element.attrs;\n    },\n    //Node data\n    getTagName(element) {\n        return element.tagName;\n    },\n    getNamespaceURI(element) {\n        return element.namespaceURI;\n    },\n    getTextNodeContent(textNode) {\n        return textNode.value;\n    },\n    getCommentNodeContent(commentNode) {\n        return commentNode.data;\n    },\n    getDocumentTypeNodeName(doctypeNode) {\n        return doctypeNode.name;\n    },\n    getDocumentTypeNodePublicId(doctypeNode) {\n        return doctypeNode.publicId;\n    },\n    getDocumentTypeNodeSystemId(doctypeNode) {\n        return doctypeNode.systemId;\n    },\n    //Node types\n    isTextNode(node) {\n        return node.nodeName === '#text';\n    },\n    isCommentNode(node) {\n        return node.nodeName === '#comment';\n    },\n    isDocumentTypeNode(node) {\n        return node.nodeName === '#documentType';\n    },\n    isElementNode(node) {\n        return Object.prototype.hasOwnProperty.call(node, 'tagName');\n    },\n    // Source code location\n    setNodeSourceCodeLocation(node, location) {\n        node.sourceCodeLocation = location;\n    },\n    getNodeSourceCodeLocation(node) {\n        return node.sourceCodeLocation;\n    },\n    updateNodeSourceCodeLocation(node, endLocation) {\n        node.sourceCodeLocation = { ...node.sourceCodeLocation, ...endLocation };\n    },\n};\n//# sourceMappingURL=default.js.map","import { DOCUMENT_MODE } from './html.js';\n//Const\nconst VALID_DOCTYPE_NAME = 'html';\nconst VALID_SYSTEM_ID = 'about:legacy-compat';\nconst QUIRKS_MODE_SYSTEM_ID = 'http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd';\nconst QUIRKS_MODE_PUBLIC_ID_PREFIXES = [\n    '+//silmaril//dtd html pro v0r11 19970101//',\n    '-//as//dtd html 3.0 aswedit + extensions//',\n    '-//advasoft ltd//dtd html 3.0 aswedit + extensions//',\n    '-//ietf//dtd html 2.0 level 1//',\n    '-//ietf//dtd html 2.0 level 2//',\n    '-//ietf//dtd html 2.0 strict level 1//',\n    '-//ietf//dtd html 2.0 strict level 2//',\n    '-//ietf//dtd html 2.0 strict//',\n    '-//ietf//dtd html 2.0//',\n    '-//ietf//dtd html 2.1e//',\n    '-//ietf//dtd html 3.0//',\n    '-//ietf//dtd html 3.2 final//',\n    '-//ietf//dtd html 3.2//',\n    '-//ietf//dtd html 3//',\n    '-//ietf//dtd html level 0//',\n    '-//ietf//dtd html level 1//',\n    '-//ietf//dtd html level 2//',\n    '-//ietf//dtd html level 3//',\n    '-//ietf//dtd html strict level 0//',\n    '-//ietf//dtd html strict level 1//',\n    '-//ietf//dtd html strict level 2//',\n    '-//ietf//dtd html strict level 3//',\n    '-//ietf//dtd html strict//',\n    '-//ietf//dtd html//',\n    '-//metrius//dtd metrius presentational//',\n    '-//microsoft//dtd internet explorer 2.0 html strict//',\n    '-//microsoft//dtd internet explorer 2.0 html//',\n    '-//microsoft//dtd internet explorer 2.0 tables//',\n    '-//microsoft//dtd internet explorer 3.0 html strict//',\n    '-//microsoft//dtd internet explorer 3.0 html//',\n    '-//microsoft//dtd internet explorer 3.0 tables//',\n    '-//netscape comm. corp.//dtd html//',\n    '-//netscape comm. corp.//dtd strict html//',\n    \"-//o'reilly and associates//dtd html 2.0//\",\n    \"-//o'reilly and associates//dtd html extended 1.0//\",\n    \"-//o'reilly and associates//dtd html extended relaxed 1.0//\",\n    '-//sq//dtd html 2.0 hotmetal + extensions//',\n    '-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//',\n    '-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//',\n    '-//spyglass//dtd html 2.0 extended//',\n    '-//sun microsystems corp.//dtd hotjava html//',\n    '-//sun microsystems corp.//dtd hotjava strict html//',\n    '-//w3c//dtd html 3 1995-03-24//',\n    '-//w3c//dtd html 3.2 draft//',\n    '-//w3c//dtd html 3.2 final//',\n    '-//w3c//dtd html 3.2//',\n    '-//w3c//dtd html 3.2s draft//',\n    '-//w3c//dtd html 4.0 frameset//',\n    '-//w3c//dtd html 4.0 transitional//',\n    '-//w3c//dtd html experimental 19960712//',\n    '-//w3c//dtd html experimental 970421//',\n    '-//w3c//dtd w3 html//',\n    '-//w3o//dtd w3 html 3.0//',\n    '-//webtechs//dtd mozilla html 2.0//',\n    '-//webtechs//dtd mozilla html//',\n];\nconst QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES = [\n    ...QUIRKS_MODE_PUBLIC_ID_PREFIXES,\n    '-//w3c//dtd html 4.01 frameset//',\n    '-//w3c//dtd html 4.01 transitional//',\n];\nconst QUIRKS_MODE_PUBLIC_IDS = new Set([\n    '-//w3o//dtd w3 html strict 3.0//en//',\n    '-/w3c/dtd html 4.0 transitional/en',\n    'html',\n]);\nconst LIMITED_QUIRKS_PUBLIC_ID_PREFIXES = ['-//w3c//dtd xhtml 1.0 frameset//', '-//w3c//dtd xhtml 1.0 transitional//'];\nconst LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES = [\n    ...LIMITED_QUIRKS_PUBLIC_ID_PREFIXES,\n    '-//w3c//dtd html 4.01 frameset//',\n    '-//w3c//dtd html 4.01 transitional//',\n];\n//Utils\nfunction hasPrefix(publicId, prefixes) {\n    return prefixes.some((prefix) => publicId.startsWith(prefix));\n}\n//API\nexport function isConforming(token) {\n    return (token.name === VALID_DOCTYPE_NAME &&\n        token.publicId === null &&\n        (token.systemId === null || token.systemId === VALID_SYSTEM_ID));\n}\nexport function getDocumentMode(token) {\n    if (token.name !== VALID_DOCTYPE_NAME) {\n        return DOCUMENT_MODE.QUIRKS;\n    }\n    const { systemId } = token;\n    if (systemId && systemId.toLowerCase() === QUIRKS_MODE_SYSTEM_ID) {\n        return DOCUMENT_MODE.QUIRKS;\n    }\n    let { publicId } = token;\n    if (publicId !== null) {\n        publicId = publicId.toLowerCase();\n        if (QUIRKS_MODE_PUBLIC_IDS.has(publicId)) {\n            return DOCUMENT_MODE.QUIRKS;\n        }\n        let prefixes = systemId === null ? QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES : QUIRKS_MODE_PUBLIC_ID_PREFIXES;\n        if (hasPrefix(publicId, prefixes)) {\n            return DOCUMENT_MODE.QUIRKS;\n        }\n        prefixes =\n            systemId === null ? LIMITED_QUIRKS_PUBLIC_ID_PREFIXES : LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES;\n        if (hasPrefix(publicId, prefixes)) {\n            return DOCUMENT_MODE.LIMITED_QUIRKS;\n        }\n    }\n    return DOCUMENT_MODE.NO_QUIRKS;\n}\n//# sourceMappingURL=doctype.js.map","import { TAG_ID as $, NS, ATTRS, getTagID } from './html.js';\n//MIME types\nconst MIME_TYPES = {\n    TEXT_HTML: 'text/html',\n    APPLICATION_XML: 'application/xhtml+xml',\n};\n//Attributes\nconst DEFINITION_URL_ATTR = 'definitionurl';\nconst ADJUSTED_DEFINITION_URL_ATTR = 'definitionURL';\nconst SVG_ATTRS_ADJUSTMENT_MAP = new Map([\n    'attributeName',\n    'attributeType',\n    'baseFrequency',\n    'baseProfile',\n    'calcMode',\n    'clipPathUnits',\n    'diffuseConstant',\n    'edgeMode',\n    'filterUnits',\n    'glyphRef',\n    'gradientTransform',\n    'gradientUnits',\n    'kernelMatrix',\n    'kernelUnitLength',\n    'keyPoints',\n    'keySplines',\n    'keyTimes',\n    'lengthAdjust',\n    'limitingConeAngle',\n    'markerHeight',\n    'markerUnits',\n    'markerWidth',\n    'maskContentUnits',\n    'maskUnits',\n    'numOctaves',\n    'pathLength',\n    'patternContentUnits',\n    'patternTransform',\n    'patternUnits',\n    'pointsAtX',\n    'pointsAtY',\n    'pointsAtZ',\n    'preserveAlpha',\n    'preserveAspectRatio',\n    'primitiveUnits',\n    'refX',\n    'refY',\n    'repeatCount',\n    'repeatDur',\n    'requiredExtensions',\n    'requiredFeatures',\n    'specularConstant',\n    'specularExponent',\n    'spreadMethod',\n    'startOffset',\n    'stdDeviation',\n    'stitchTiles',\n    'surfaceScale',\n    'systemLanguage',\n    'tableValues',\n    'targetX',\n    'targetY',\n    'textLength',\n    'viewBox',\n    'viewTarget',\n    'xChannelSelector',\n    'yChannelSelector',\n    'zoomAndPan',\n].map((attr) => [attr.toLowerCase(), attr]));\nconst XML_ATTRS_ADJUSTMENT_MAP = new Map([\n    ['xlink:actuate', { prefix: 'xlink', name: 'actuate', namespace: NS.XLINK }],\n    ['xlink:arcrole', { prefix: 'xlink', name: 'arcrole', namespace: NS.XLINK }],\n    ['xlink:href', { prefix: 'xlink', name: 'href', namespace: NS.XLINK }],\n    ['xlink:role', { prefix: 'xlink', name: 'role', namespace: NS.XLINK }],\n    ['xlink:show', { prefix: 'xlink', name: 'show', namespace: NS.XLINK }],\n    ['xlink:title', { prefix: 'xlink', name: 'title', namespace: NS.XLINK }],\n    ['xlink:type', { prefix: 'xlink', name: 'type', namespace: NS.XLINK }],\n    ['xml:base', { prefix: 'xml', name: 'base', namespace: NS.XML }],\n    ['xml:lang', { prefix: 'xml', name: 'lang', namespace: NS.XML }],\n    ['xml:space', { prefix: 'xml', name: 'space', namespace: NS.XML }],\n    ['xmlns', { prefix: '', name: 'xmlns', namespace: NS.XMLNS }],\n    ['xmlns:xlink', { prefix: 'xmlns', name: 'xlink', namespace: NS.XMLNS }],\n]);\n//SVG tag names adjustment map\nexport const SVG_TAG_NAMES_ADJUSTMENT_MAP = new Map([\n    'altGlyph',\n    'altGlyphDef',\n    'altGlyphItem',\n    'animateColor',\n    'animateMotion',\n    'animateTransform',\n    'clipPath',\n    'feBlend',\n    'feColorMatrix',\n    'feComponentTransfer',\n    'feComposite',\n    'feConvolveMatrix',\n    'feDiffuseLighting',\n    'feDisplacementMap',\n    'feDistantLight',\n    'feFlood',\n    'feFuncA',\n    'feFuncB',\n    'feFuncG',\n    'feFuncR',\n    'feGaussianBlur',\n    'feImage',\n    'feMerge',\n    'feMergeNode',\n    'feMorphology',\n    'feOffset',\n    'fePointLight',\n    'feSpecularLighting',\n    'feSpotLight',\n    'feTile',\n    'feTurbulence',\n    'foreignObject',\n    'glyphRef',\n    'linearGradient',\n    'radialGradient',\n    'textPath',\n].map((tn) => [tn.toLowerCase(), tn]));\n//Tags that causes exit from foreign content\nconst EXITS_FOREIGN_CONTENT = new Set([\n    $.B,\n    $.BIG,\n    $.BLOCKQUOTE,\n    $.BODY,\n    $.BR,\n    $.CENTER,\n    $.CODE,\n    $.DD,\n    $.DIV,\n    $.DL,\n    $.DT,\n    $.EM,\n    $.EMBED,\n    $.H1,\n    $.H2,\n    $.H3,\n    $.H4,\n    $.H5,\n    $.H6,\n    $.HEAD,\n    $.HR,\n    $.I,\n    $.IMG,\n    $.LI,\n    $.LISTING,\n    $.MENU,\n    $.META,\n    $.NOBR,\n    $.OL,\n    $.P,\n    $.PRE,\n    $.RUBY,\n    $.S,\n    $.SMALL,\n    $.SPAN,\n    $.STRONG,\n    $.STRIKE,\n    $.SUB,\n    $.SUP,\n    $.TABLE,\n    $.TT,\n    $.U,\n    $.UL,\n    $.VAR,\n]);\n//Check exit from foreign content\nexport function causesExit(startTagToken) {\n    const tn = startTagToken.tagID;\n    const isFontWithAttrs = tn === $.FONT &&\n        startTagToken.attrs.some(({ name }) => name === ATTRS.COLOR || name === ATTRS.SIZE || name === ATTRS.FACE);\n    return isFontWithAttrs || EXITS_FOREIGN_CONTENT.has(tn);\n}\n//Token adjustments\nexport function adjustTokenMathMLAttrs(token) {\n    for (let i = 0; i < token.attrs.length; i++) {\n        if (token.attrs[i].name === DEFINITION_URL_ATTR) {\n            token.attrs[i].name = ADJUSTED_DEFINITION_URL_ATTR;\n            break;\n        }\n    }\n}\nexport function adjustTokenSVGAttrs(token) {\n    for (let i = 0; i < token.attrs.length; i++) {\n        const adjustedAttrName = SVG_ATTRS_ADJUSTMENT_MAP.get(token.attrs[i].name);\n        if (adjustedAttrName != null) {\n            token.attrs[i].name = adjustedAttrName;\n        }\n    }\n}\nexport function adjustTokenXMLAttrs(token) {\n    for (let i = 0; i < token.attrs.length; i++) {\n        const adjustedAttrEntry = XML_ATTRS_ADJUSTMENT_MAP.get(token.attrs[i].name);\n        if (adjustedAttrEntry) {\n            token.attrs[i].prefix = adjustedAttrEntry.prefix;\n            token.attrs[i].name = adjustedAttrEntry.name;\n            token.attrs[i].namespace = adjustedAttrEntry.namespace;\n        }\n    }\n}\nexport function adjustTokenSVGTagName(token) {\n    const adjustedTagName = SVG_TAG_NAMES_ADJUSTMENT_MAP.get(token.tagName);\n    if (adjustedTagName != null) {\n        token.tagName = adjustedTagName;\n        token.tagID = getTagID(token.tagName);\n    }\n}\n//Integration points\nfunction isMathMLTextIntegrationPoint(tn, ns) {\n    return ns === NS.MATHML && (tn === $.MI || tn === $.MO || tn === $.MN || tn === $.MS || tn === $.MTEXT);\n}\nfunction isHtmlIntegrationPoint(tn, ns, attrs) {\n    if (ns === NS.MATHML && tn === $.ANNOTATION_XML) {\n        for (let i = 0; i < attrs.length; i++) {\n            if (attrs[i].name === ATTRS.ENCODING) {\n                const value = attrs[i].value.toLowerCase();\n                return value === MIME_TYPES.TEXT_HTML || value === MIME_TYPES.APPLICATION_XML;\n            }\n        }\n    }\n    return ns === NS.SVG && (tn === $.FOREIGN_OBJECT || tn === $.DESC || tn === $.TITLE);\n}\nexport function isIntegrationPoint(tn, ns, attrs, foreignNS) {\n    return (((!foreignNS || foreignNS === NS.HTML) && isHtmlIntegrationPoint(tn, ns, attrs)) ||\n        ((!foreignNS || foreignNS === NS.MATHML) && isMathMLTextIntegrationPoint(tn, ns)));\n}\n//# sourceMappingURL=foreign-content.js.map","import { Tokenizer, TokenizerMode } from '../tokenizer/index.js';\nimport { OpenElementStack } from './open-element-stack.js';\nimport { FormattingElementList, EntryType } from './formatting-element-list.js';\nimport { defaultTreeAdapter } from '../tree-adapters/default.js';\nimport * as doctype from '../common/doctype.js';\nimport * as foreignContent from '../common/foreign-content.js';\nimport { ERR } from '../common/error-codes.js';\nimport * as unicode from '../common/unicode.js';\nimport { TAG_ID as $, TAG_NAMES as TN, NS, ATTRS, SPECIAL_ELEMENTS, DOCUMENT_MODE, isNumberedHeader, getTagID, } from '../common/html.js';\nimport { TokenType, getTokenAttr, } from '../common/token.js';\n//Misc constants\nconst HIDDEN_INPUT_TYPE = 'hidden';\n//Adoption agency loops iteration count\nconst AA_OUTER_LOOP_ITER = 8;\nconst AA_INNER_LOOP_ITER = 3;\n//Insertion modes\nvar InsertionMode;\n(function (InsertionMode) {\n    InsertionMode[InsertionMode[\"INITIAL\"] = 0] = \"INITIAL\";\n    InsertionMode[InsertionMode[\"BEFORE_HTML\"] = 1] = \"BEFORE_HTML\";\n    InsertionMode[InsertionMode[\"BEFORE_HEAD\"] = 2] = \"BEFORE_HEAD\";\n    InsertionMode[InsertionMode[\"IN_HEAD\"] = 3] = \"IN_HEAD\";\n    InsertionMode[InsertionMode[\"IN_HEAD_NO_SCRIPT\"] = 4] = \"IN_HEAD_NO_SCRIPT\";\n    InsertionMode[InsertionMode[\"AFTER_HEAD\"] = 5] = \"AFTER_HEAD\";\n    InsertionMode[InsertionMode[\"IN_BODY\"] = 6] = \"IN_BODY\";\n    InsertionMode[InsertionMode[\"TEXT\"] = 7] = \"TEXT\";\n    InsertionMode[InsertionMode[\"IN_TABLE\"] = 8] = \"IN_TABLE\";\n    InsertionMode[InsertionMode[\"IN_TABLE_TEXT\"] = 9] = \"IN_TABLE_TEXT\";\n    InsertionMode[InsertionMode[\"IN_CAPTION\"] = 10] = \"IN_CAPTION\";\n    InsertionMode[InsertionMode[\"IN_COLUMN_GROUP\"] = 11] = \"IN_COLUMN_GROUP\";\n    InsertionMode[InsertionMode[\"IN_TABLE_BODY\"] = 12] = \"IN_TABLE_BODY\";\n    InsertionMode[InsertionMode[\"IN_ROW\"] = 13] = \"IN_ROW\";\n    InsertionMode[InsertionMode[\"IN_CELL\"] = 14] = \"IN_CELL\";\n    InsertionMode[InsertionMode[\"IN_SELECT\"] = 15] = \"IN_SELECT\";\n    InsertionMode[InsertionMode[\"IN_SELECT_IN_TABLE\"] = 16] = \"IN_SELECT_IN_TABLE\";\n    InsertionMode[InsertionMode[\"IN_TEMPLATE\"] = 17] = \"IN_TEMPLATE\";\n    InsertionMode[InsertionMode[\"AFTER_BODY\"] = 18] = \"AFTER_BODY\";\n    InsertionMode[InsertionMode[\"IN_FRAMESET\"] = 19] = \"IN_FRAMESET\";\n    InsertionMode[InsertionMode[\"AFTER_FRAMESET\"] = 20] = \"AFTER_FRAMESET\";\n    InsertionMode[InsertionMode[\"AFTER_AFTER_BODY\"] = 21] = \"AFTER_AFTER_BODY\";\n    InsertionMode[InsertionMode[\"AFTER_AFTER_FRAMESET\"] = 22] = \"AFTER_AFTER_FRAMESET\";\n})(InsertionMode || (InsertionMode = {}));\nconst BASE_LOC = {\n    startLine: -1,\n    startCol: -1,\n    startOffset: -1,\n    endLine: -1,\n    endCol: -1,\n    endOffset: -1,\n};\nconst TABLE_STRUCTURE_TAGS = new Set([$.TABLE, $.TBODY, $.TFOOT, $.THEAD, $.TR]);\nconst defaultParserOptions = {\n    scriptingEnabled: true,\n    sourceCodeLocationInfo: false,\n    treeAdapter: defaultTreeAdapter,\n    onParseError: null,\n};\n//Parser\nexport class Parser {\n    constructor(options, document, fragmentContext = null, scriptHandler = null) {\n        this.fragmentContext = fragmentContext;\n        this.scriptHandler = scriptHandler;\n        this.currentToken = null;\n        this.stopped = false;\n        this.insertionMode = InsertionMode.INITIAL;\n        this.originalInsertionMode = InsertionMode.INITIAL;\n        this.headElement = null;\n        this.formElement = null;\n        /** Indicates that the current node is not an element in the HTML namespace */\n        this.currentNotInHTML = false;\n        /**\n         * The template insertion mode stack is maintained from the left.\n         * Ie. the topmost element will always have index 0.\n         */\n        this.tmplInsertionModeStack = [];\n        this.pendingCharacterTokens = [];\n        this.hasNonWhitespacePendingCharacterToken = false;\n        this.framesetOk = true;\n        this.skipNextNewLine = false;\n        this.fosterParentingEnabled = false;\n        this.options = {\n            ...defaultParserOptions,\n            ...options,\n        };\n        this.treeAdapter = this.options.treeAdapter;\n        this.onParseError = this.options.onParseError;\n        // Always enable location info if we report parse errors.\n        if (this.onParseError) {\n            this.options.sourceCodeLocationInfo = true;\n        }\n        this.document = document !== null && document !== void 0 ? document : this.treeAdapter.createDocument();\n        this.tokenizer = new Tokenizer(this.options, this);\n        this.activeFormattingElements = new FormattingElementList(this.treeAdapter);\n        this.fragmentContextID = fragmentContext ? getTagID(this.treeAdapter.getTagName(fragmentContext)) : $.UNKNOWN;\n        this._setContextModes(fragmentContext !== null && fragmentContext !== void 0 ? fragmentContext : this.document, this.fragmentContextID);\n        this.openElements = new OpenElementStack(this.document, this.treeAdapter, this);\n    }\n    // API\n    static parse(html, options) {\n        const parser = new this(options);\n        parser.tokenizer.write(html, true);\n        return parser.document;\n    }\n    static getFragmentParser(fragmentContext, options) {\n        const opts = {\n            ...defaultParserOptions,\n            ...options,\n        };\n        //NOTE: use a