} */\n let marker\n return start\n\n /**\n * Start of thematic break.\n *\n * ```markdown\n * > | ***\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter('thematicBreak')\n // To do: parse indent like `markdown-rs`.\n return before(code)\n }\n\n /**\n * After optional whitespace, at marker.\n *\n * ```markdown\n * > | ***\n * ^\n * ```\n *\n * @type {State}\n */\n function before(code) {\n marker = code\n return atBreak(code)\n }\n\n /**\n * After something, before something else.\n *\n * ```markdown\n * > | ***\n * ^\n * ```\n *\n * @type {State}\n */\n function atBreak(code) {\n if (code === marker) {\n effects.enter('thematicBreakSequence')\n return sequence(code)\n }\n if (size >= 3 && (code === null || markdownLineEnding(code))) {\n effects.exit('thematicBreak')\n return ok(code)\n }\n return nok(code)\n }\n\n /**\n * In sequence.\n *\n * ```markdown\n * > | ***\n * ^\n * ```\n *\n * @type {State}\n */\n function sequence(code) {\n if (code === marker) {\n effects.consume(code)\n size++\n return sequence\n }\n effects.exit('thematicBreakSequence')\n return markdownSpace(code)\n ? factorySpace(effects, atBreak, 'whitespace')(code)\n : atBreak(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').ContainerState} ContainerState\n * @typedef {import('micromark-util-types').Exiter} Exiter\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 {asciiDigit, markdownSpace} from 'micromark-util-character'\nimport {blankLine} from './blank-line.js'\nimport {thematicBreak} from './thematic-break.js'\n\n/** @type {Construct} */\nexport const list = {\n name: 'list',\n tokenize: tokenizeListStart,\n continuation: {\n tokenize: tokenizeListContinuation\n },\n exit: tokenizeListEnd\n}\n\n/** @type {Construct} */\nconst listItemPrefixWhitespaceConstruct = {\n tokenize: tokenizeListItemPrefixWhitespace,\n partial: true\n}\n\n/** @type {Construct} */\nconst indentConstruct = {\n tokenize: tokenizeIndent,\n partial: true\n}\n\n// To do: `markdown-rs` parses list items on their own and later stitches them\n// together.\n\n/**\n * @type {Tokenizer}\n * @this {TokenizeContext}\n */\nfunction tokenizeListStart(effects, ok, nok) {\n const self = this\n const tail = self.events[self.events.length - 1]\n let initialSize =\n tail && tail[1].type === 'linePrefix'\n ? tail[2].sliceSerialize(tail[1], true).length\n : 0\n let size = 0\n return start\n\n /** @type {State} */\n function start(code) {\n const kind =\n self.containerState.type ||\n (code === 42 || code === 43 || code === 45\n ? 'listUnordered'\n : 'listOrdered')\n if (\n kind === 'listUnordered'\n ? !self.containerState.marker || code === self.containerState.marker\n : asciiDigit(code)\n ) {\n if (!self.containerState.type) {\n self.containerState.type = kind\n effects.enter(kind, {\n _container: true\n })\n }\n if (kind === 'listUnordered') {\n effects.enter('listItemPrefix')\n return code === 42 || code === 45\n ? effects.check(thematicBreak, nok, atMarker)(code)\n : atMarker(code)\n }\n if (!self.interrupt || code === 49) {\n effects.enter('listItemPrefix')\n effects.enter('listItemValue')\n return inside(code)\n }\n }\n return nok(code)\n }\n\n /** @type {State} */\n function inside(code) {\n if (asciiDigit(code) && ++size < 10) {\n effects.consume(code)\n return inside\n }\n if (\n (!self.interrupt || size < 2) &&\n (self.containerState.marker\n ? code === self.containerState.marker\n : code === 41 || code === 46)\n ) {\n effects.exit('listItemValue')\n return atMarker(code)\n }\n return nok(code)\n }\n\n /**\n * @type {State}\n **/\n function atMarker(code) {\n effects.enter('listItemMarker')\n effects.consume(code)\n effects.exit('listItemMarker')\n self.containerState.marker = self.containerState.marker || code\n return effects.check(\n blankLine,\n // Can’t be empty when interrupting.\n self.interrupt ? nok : onBlank,\n effects.attempt(\n listItemPrefixWhitespaceConstruct,\n endOfPrefix,\n otherPrefix\n )\n )\n }\n\n /** @type {State} */\n function onBlank(code) {\n self.containerState.initialBlankLine = true\n initialSize++\n return endOfPrefix(code)\n }\n\n /** @type {State} */\n function otherPrefix(code) {\n if (markdownSpace(code)) {\n effects.enter('listItemPrefixWhitespace')\n effects.consume(code)\n effects.exit('listItemPrefixWhitespace')\n return endOfPrefix\n }\n return nok(code)\n }\n\n /** @type {State} */\n function endOfPrefix(code) {\n self.containerState.size =\n initialSize +\n self.sliceSerialize(effects.exit('listItemPrefix'), true).length\n return ok(code)\n }\n}\n\n/**\n * @type {Tokenizer}\n * @this {TokenizeContext}\n */\nfunction tokenizeListContinuation(effects, ok, nok) {\n const self = this\n self.containerState._closeFlow = undefined\n return effects.check(blankLine, onBlank, notBlank)\n\n /** @type {State} */\n function onBlank(code) {\n self.containerState.furtherBlankLines =\n self.containerState.furtherBlankLines ||\n self.containerState.initialBlankLine\n\n // We have a blank line.\n // Still, try to consume at most the items size.\n return factorySpace(\n effects,\n ok,\n 'listItemIndent',\n self.containerState.size + 1\n )(code)\n }\n\n /** @type {State} */\n function notBlank(code) {\n if (self.containerState.furtherBlankLines || !markdownSpace(code)) {\n self.containerState.furtherBlankLines = undefined\n self.containerState.initialBlankLine = undefined\n return notInCurrentItem(code)\n }\n self.containerState.furtherBlankLines = undefined\n self.containerState.initialBlankLine = undefined\n return effects.attempt(indentConstruct, ok, notInCurrentItem)(code)\n }\n\n /** @type {State} */\n function notInCurrentItem(code) {\n // While we do continue, we signal that the flow should be closed.\n self.containerState._closeFlow = true\n // As we’re closing flow, we’re no longer interrupting.\n self.interrupt = undefined\n // Always populated by defaults.\n\n return factorySpace(\n effects,\n effects.attempt(list, ok, nok),\n 'linePrefix',\n self.parser.constructs.disable.null.includes('codeIndented')\n ? undefined\n : 4\n )(code)\n }\n}\n\n/**\n * @type {Tokenizer}\n * @this {TokenizeContext}\n */\nfunction tokenizeIndent(effects, ok, nok) {\n const self = this\n return factorySpace(\n effects,\n afterPrefix,\n 'listItemIndent',\n self.containerState.size + 1\n )\n\n /** @type {State} */\n function afterPrefix(code) {\n const tail = self.events[self.events.length - 1]\n return tail &&\n tail[1].type === 'listItemIndent' &&\n tail[2].sliceSerialize(tail[1], true).length === self.containerState.size\n ? ok(code)\n : nok(code)\n }\n}\n\n/**\n * @type {Exiter}\n * @this {TokenizeContext}\n */\nfunction tokenizeListEnd(effects) {\n effects.exit(this.containerState.type)\n}\n\n/**\n * @type {Tokenizer}\n * @this {TokenizeContext}\n */\nfunction tokenizeListItemPrefixWhitespace(effects, ok, nok) {\n const self = this\n\n // Always populated by defaults.\n\n return factorySpace(\n effects,\n afterPrefix,\n 'listItemPrefixWhitespace',\n self.parser.constructs.disable.null.includes('codeIndented')\n ? undefined\n : 4 + 1\n )\n\n /** @type {State} */\n function afterPrefix(code) {\n const tail = self.events[self.events.length - 1]\n return !markdownSpace(code) &&\n tail &&\n tail[1].type === 'listItemPrefixWhitespace'\n ? ok(code)\n : nok(code)\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').Exiter} Exiter\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 {markdownSpace} from 'micromark-util-character'\n/** @type {Construct} */\nexport const blockQuote = {\n name: 'blockQuote',\n tokenize: tokenizeBlockQuoteStart,\n continuation: {\n tokenize: tokenizeBlockQuoteContinuation\n },\n exit\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeBlockQuoteStart(effects, ok, nok) {\n const self = this\n return start\n\n /**\n * Start of block quote.\n *\n * ```markdown\n * > | > a\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n if (code === 62) {\n const state = self.containerState\n if (!state.open) {\n effects.enter('blockQuote', {\n _container: true\n })\n state.open = true\n }\n effects.enter('blockQuotePrefix')\n effects.enter('blockQuoteMarker')\n effects.consume(code)\n effects.exit('blockQuoteMarker')\n return after\n }\n return nok(code)\n }\n\n /**\n * After `>`, before optional whitespace.\n *\n * ```markdown\n * > | > a\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n if (markdownSpace(code)) {\n effects.enter('blockQuotePrefixWhitespace')\n effects.consume(code)\n effects.exit('blockQuotePrefixWhitespace')\n effects.exit('blockQuotePrefix')\n return ok\n }\n effects.exit('blockQuotePrefix')\n return ok(code)\n }\n}\n\n/**\n * Start of block quote continuation.\n *\n * ```markdown\n * | > a\n * > | > b\n * ^\n * ```\n *\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeBlockQuoteContinuation(effects, ok, nok) {\n const self = this\n return contStart\n\n /**\n * Start of block quote continuation.\n *\n * Also used to parse the first block quote opening.\n *\n * ```markdown\n * | > a\n * > | > b\n * ^\n * ```\n *\n * @type {State}\n */\n function contStart(code) {\n if (markdownSpace(code)) {\n // Always populated by defaults.\n\n return factorySpace(\n effects,\n contBefore,\n 'linePrefix',\n self.parser.constructs.disable.null.includes('codeIndented')\n ? undefined\n : 4\n )(code)\n }\n return contBefore(code)\n }\n\n /**\n * At `>`, after optional whitespace.\n *\n * Also used to parse the first block quote opening.\n *\n * ```markdown\n * | > a\n * > | > b\n * ^\n * ```\n *\n * @type {State}\n */\n function contBefore(code) {\n return effects.attempt(blockQuote, ok, nok)(code)\n }\n}\n\n/** @type {Exiter} */\nfunction exit(effects) {\n effects.exit('blockQuote')\n}\n","/**\n * @typedef {import('micromark-util-types').Effects} Effects\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenType} TokenType\n */\n\nimport {\n asciiControl,\n markdownLineEndingOrSpace,\n markdownLineEnding\n} from 'micromark-util-character'\n/**\n * Parse destinations.\n *\n * ###### Examples\n *\n * ```markdown\n * \n * b>\n * \n * \n * a\n * a\\)b\n * a(b)c\n * a(b)\n * ```\n *\n * @param {Effects} effects\n * Context.\n * @param {State} ok\n * State switched to when successful.\n * @param {State} nok\n * State switched to when unsuccessful.\n * @param {TokenType} type\n * Type for whole (`` or `b`).\n * @param {TokenType} literalType\n * Type when enclosed (``).\n * @param {TokenType} literalMarkerType\n * Type for enclosing (`<` and `>`).\n * @param {TokenType} rawType\n * Type when not enclosed (`b`).\n * @param {TokenType} stringType\n * Type for the value (`a` or `b`).\n * @param {number | undefined} [max=Infinity]\n * Depth of nested parens (inclusive).\n * @returns {State}\n * Start state.\n */ // eslint-disable-next-line max-params\nexport function factoryDestination(\n effects,\n ok,\n nok,\n type,\n literalType,\n literalMarkerType,\n rawType,\n stringType,\n max\n) {\n const limit = max || Number.POSITIVE_INFINITY\n let balance = 0\n return start\n\n /**\n * Start of destination.\n *\n * ```markdown\n * > | \n * ^\n * > | aa\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n if (code === 60) {\n effects.enter(type)\n effects.enter(literalType)\n effects.enter(literalMarkerType)\n effects.consume(code)\n effects.exit(literalMarkerType)\n return enclosedBefore\n }\n\n // ASCII control, space, closing paren.\n if (code === null || code === 32 || code === 41 || asciiControl(code)) {\n return nok(code)\n }\n effects.enter(type)\n effects.enter(rawType)\n effects.enter(stringType)\n effects.enter('chunkString', {\n contentType: 'string'\n })\n return raw(code)\n }\n\n /**\n * After `<`, at an enclosed destination.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function enclosedBefore(code) {\n if (code === 62) {\n effects.enter(literalMarkerType)\n effects.consume(code)\n effects.exit(literalMarkerType)\n effects.exit(literalType)\n effects.exit(type)\n return ok\n }\n effects.enter(stringType)\n effects.enter('chunkString', {\n contentType: 'string'\n })\n return enclosed(code)\n }\n\n /**\n * In enclosed destination.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function enclosed(code) {\n if (code === 62) {\n effects.exit('chunkString')\n effects.exit(stringType)\n return enclosedBefore(code)\n }\n if (code === null || code === 60 || markdownLineEnding(code)) {\n return nok(code)\n }\n effects.consume(code)\n return code === 92 ? enclosedEscape : enclosed\n }\n\n /**\n * After `\\`, at a special character.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function enclosedEscape(code) {\n if (code === 60 || code === 62 || code === 92) {\n effects.consume(code)\n return enclosed\n }\n return enclosed(code)\n }\n\n /**\n * In raw destination.\n *\n * ```markdown\n * > | aa\n * ^\n * ```\n *\n * @type {State}\n */\n function raw(code) {\n if (\n !balance &&\n (code === null || code === 41 || markdownLineEndingOrSpace(code))\n ) {\n effects.exit('chunkString')\n effects.exit(stringType)\n effects.exit(rawType)\n effects.exit(type)\n return ok(code)\n }\n if (balance < limit && code === 40) {\n effects.consume(code)\n balance++\n return raw\n }\n if (code === 41) {\n effects.consume(code)\n balance--\n return raw\n }\n\n // ASCII control (but *not* `\\0`) and space and `(`.\n // Note: in `markdown-rs`, `\\0` exists in codes, in `micromark-js` it\n // doesn’t.\n if (code === null || code === 32 || code === 40 || asciiControl(code)) {\n return nok(code)\n }\n effects.consume(code)\n return code === 92 ? rawEscape : raw\n }\n\n /**\n * After `\\`, at special character.\n *\n * ```markdown\n * > | a\\*a\n * ^\n * ```\n *\n * @type {State}\n */\n function rawEscape(code) {\n if (code === 40 || code === 41 || code === 92) {\n effects.consume(code)\n return raw\n }\n return raw(code)\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Effects} Effects\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n * @typedef {import('micromark-util-types').TokenType} TokenType\n */\n\nimport {markdownLineEnding, markdownSpace} from 'micromark-util-character'\n/**\n * Parse labels.\n *\n * > 👉 **Note**: labels in markdown are capped at 999 characters in the string.\n *\n * ###### Examples\n *\n * ```markdown\n * [a]\n * [a\n * b]\n * [a\\]b]\n * ```\n *\n * @this {TokenizeContext}\n * Tokenize context.\n * @param {Effects} effects\n * Context.\n * @param {State} ok\n * State switched to when successful.\n * @param {State} nok\n * State switched to when unsuccessful.\n * @param {TokenType} type\n * Type of the whole label (`[a]`).\n * @param {TokenType} markerType\n * Type for the markers (`[` and `]`).\n * @param {TokenType} stringType\n * Type for the identifier (`a`).\n * @returns {State}\n * Start state.\n */ // eslint-disable-next-line max-params\nexport function factoryLabel(effects, ok, nok, type, markerType, stringType) {\n const self = this\n let size = 0\n /** @type {boolean} */\n let seen\n return start\n\n /**\n * Start of label.\n *\n * ```markdown\n * > | [a]\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n effects.enter(type)\n effects.enter(markerType)\n effects.consume(code)\n effects.exit(markerType)\n effects.enter(stringType)\n return atBreak\n }\n\n /**\n * In label, at something, before something else.\n *\n * ```markdown\n * > | [a]\n * ^\n * ```\n *\n * @type {State}\n */\n function atBreak(code) {\n if (\n size > 999 ||\n code === null ||\n code === 91 ||\n (code === 93 && !seen) ||\n // To do: remove in the future once we’ve switched from\n // `micromark-extension-footnote` to `micromark-extension-gfm-footnote`,\n // which doesn’t need this.\n // Hidden footnotes hook.\n /* c8 ignore next 3 */\n (code === 94 &&\n !size &&\n '_hiddenFootnoteSupport' in self.parser.constructs)\n ) {\n return nok(code)\n }\n if (code === 93) {\n effects.exit(stringType)\n effects.enter(markerType)\n effects.consume(code)\n effects.exit(markerType)\n effects.exit(type)\n return ok\n }\n\n // To do: indent? Link chunks and EOLs together?\n if (markdownLineEnding(code)) {\n effects.enter('lineEnding')\n effects.consume(code)\n effects.exit('lineEnding')\n return atBreak\n }\n effects.enter('chunkString', {\n contentType: 'string'\n })\n return labelInside(code)\n }\n\n /**\n * In label, in text.\n *\n * ```markdown\n * > | [a]\n * ^\n * ```\n *\n * @type {State}\n */\n function labelInside(code) {\n if (\n code === null ||\n code === 91 ||\n code === 93 ||\n markdownLineEnding(code) ||\n size++ > 999\n ) {\n effects.exit('chunkString')\n return atBreak(code)\n }\n effects.consume(code)\n if (!seen) seen = !markdownSpace(code)\n return code === 92 ? labelEscape : labelInside\n }\n\n /**\n * After `\\`, at a special character.\n *\n * ```markdown\n * > | [a\\*a]\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 * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').Effects} Effects\n * @typedef {import('micromark-util-types').State} State\n * @typedef {import('micromark-util-types').TokenType} TokenType\n */\n\nimport {factorySpace} from 'micromark-factory-space'\nimport {markdownLineEnding} from 'micromark-util-character'\n/**\n * Parse titles.\n *\n * ###### Examples\n *\n * ```markdown\n * \"a\"\n * 'b'\n * (c)\n * \"a\n * b\"\n * 'a\n * b'\n * (a\\)b)\n * ```\n *\n * @param {Effects} effects\n * Context.\n * @param {State} ok\n * State switched to when successful.\n * @param {State} nok\n * State switched to when unsuccessful.\n * @param {TokenType} type\n * Type of the whole title (`\"a\"`, `'b'`, `(c)`).\n * @param {TokenType} markerType\n * Type for the markers (`\"`, `'`, `(`, and `)`).\n * @param {TokenType} stringType\n * Type for the value (`a`).\n * @returns {State}\n * Start state.\n */ // eslint-disable-next-line max-params\nexport function factoryTitle(effects, ok, nok, type, markerType, stringType) {\n /** @type {NonNullable} */\n let marker\n return start\n\n /**\n * Start of title.\n *\n * ```markdown\n * > | \"a\"\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n if (code === 34 || code === 39 || code === 40) {\n effects.enter(type)\n effects.enter(markerType)\n effects.consume(code)\n effects.exit(markerType)\n marker = code === 40 ? 41 : code\n return begin\n }\n return nok(code)\n }\n\n /**\n * After opening marker.\n *\n * This is also used at the closing marker.\n *\n * ```markdown\n * > | \"a\"\n * ^\n * ```\n *\n * @type {State}\n */\n function begin(code) {\n if (code === marker) {\n effects.enter(markerType)\n effects.consume(code)\n effects.exit(markerType)\n effects.exit(type)\n return ok\n }\n effects.enter(stringType)\n return atBreak(code)\n }\n\n /**\n * At something, before something else.\n *\n * ```markdown\n * > | \"a\"\n * ^\n * ```\n *\n * @type {State}\n */\n function atBreak(code) {\n if (code === marker) {\n effects.exit(stringType)\n return begin(marker)\n }\n if (code === null) {\n return nok(code)\n }\n\n // Note: blank lines can’t exist in content.\n if (markdownLineEnding(code)) {\n // To do: use `space_or_tab_eol_with_options`, connect.\n effects.enter('lineEnding')\n effects.consume(code)\n effects.exit('lineEnding')\n return factorySpace(effects, atBreak, 'linePrefix')\n }\n effects.enter('chunkString', {\n contentType: 'string'\n })\n return inside(code)\n }\n\n /**\n *\n *\n * @type {State}\n */\n function inside(code) {\n if (code === marker || code === null || markdownLineEnding(code)) {\n effects.exit('chunkString')\n return atBreak(code)\n }\n effects.consume(code)\n return code === 92 ? escape : inside\n }\n\n /**\n * After `\\`, at a special character.\n *\n * ```markdown\n * > | \"a\\*b\"\n * ^\n * ```\n *\n * @type {State}\n */\n function escape(code) {\n if (code === marker || code === 92) {\n effects.consume(code)\n return inside\n }\n return inside(code)\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Effects} Effects\n * @typedef {import('micromark-util-types').State} State\n */\n\nimport {factorySpace} from 'micromark-factory-space'\nimport {markdownLineEnding, markdownSpace} from 'micromark-util-character'\n/**\n * Parse spaces and tabs.\n *\n * There is no `nok` parameter:\n *\n * * line endings or spaces in markdown are often optional, in which case this\n * factory can be used and `ok` will be switched to whether spaces were found\n * or not\n * * one line ending or space can be detected with\n * `markdownLineEndingOrSpace(code)` right before using `factoryWhitespace`\n *\n * @param {Effects} effects\n * Context.\n * @param {State} ok\n * State switched to when successful.\n * @returns\n * Start state.\n */\nexport function factoryWhitespace(effects, ok) {\n /** @type {boolean} */\n let seen\n return start\n\n /** @type {State} */\n function start(code) {\n if (markdownLineEnding(code)) {\n effects.enter('lineEnding')\n effects.consume(code)\n effects.exit('lineEnding')\n seen = true\n return start\n }\n if (markdownSpace(code)) {\n return factorySpace(\n effects,\n start,\n seen ? 'linePrefix' : 'lineSuffix'\n )(code)\n }\n return ok(code)\n }\n}\n","/**\n * Normalize an identifier (as found in references, definitions).\n *\n * Collapses markdown whitespace, trim, and then lower- and uppercase.\n *\n * Some characters are considered “uppercase”, such as U+03F4 (`ϴ`), but if their\n * lowercase counterpart (U+03B8 (`θ`)) is uppercased will result in a different\n * uppercase character (U+0398 (`Θ`)).\n * So, to get a canonical form, we perform both lower- and uppercase.\n *\n * Using uppercase last makes sure keys will never interact with default\n * prototypal values (such as `constructor`): nothing in the prototype of\n * `Object` is uppercase.\n *\n * @param {string} value\n * Identifier to normalize.\n * @returns {string}\n * Normalized identifier.\n */\nexport function normalizeIdentifier(value) {\n return (\n value\n // Collapse markdown whitespace.\n .replace(/[\\t\\n\\r ]+/g, ' ')\n // Trim.\n .replace(/^ | $/g, '')\n // Some characters are considered “uppercase”, but if their lowercase\n // counterpart is uppercased will result in a different uppercase\n // character.\n // Hence, to get that form, we perform both lower- and uppercase.\n // Upper case makes sure keys will not interact with default prototypal\n // methods: no method is uppercase.\n .toLowerCase()\n .toUpperCase()\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 {factoryDestination} from 'micromark-factory-destination'\nimport {factoryLabel} from 'micromark-factory-label'\nimport {factorySpace} from 'micromark-factory-space'\nimport {factoryTitle} from 'micromark-factory-title'\nimport {factoryWhitespace} from 'micromark-factory-whitespace'\nimport {\n markdownLineEnding,\n markdownLineEndingOrSpace,\n markdownSpace\n} from 'micromark-util-character'\nimport {normalizeIdentifier} from 'micromark-util-normalize-identifier'\n/** @type {Construct} */\nexport const definition = {\n name: 'definition',\n tokenize: tokenizeDefinition\n}\n\n/** @type {Construct} */\nconst titleBefore = {\n tokenize: tokenizeTitleBefore,\n partial: true\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeDefinition(effects, ok, nok) {\n const self = this\n /** @type {string} */\n let identifier\n return start\n\n /**\n * At start of a definition.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n // Do not interrupt paragraphs (but do follow definitions).\n // To do: do `interrupt` the way `markdown-rs` does.\n // To do: parse whitespace the way `markdown-rs` does.\n effects.enter('definition')\n return before(code)\n }\n\n /**\n * After optional whitespace, at `[`.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function before(code) {\n // To do: parse whitespace the way `markdown-rs` does.\n\n return factoryLabel.call(\n self,\n effects,\n labelAfter,\n // Note: we don’t need to reset the way `markdown-rs` does.\n nok,\n 'definitionLabel',\n 'definitionLabelMarker',\n 'definitionLabelString'\n )(code)\n }\n\n /**\n * After label.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function labelAfter(code) {\n identifier = normalizeIdentifier(\n self.sliceSerialize(self.events[self.events.length - 1][1]).slice(1, -1)\n )\n if (code === 58) {\n effects.enter('definitionMarker')\n effects.consume(code)\n effects.exit('definitionMarker')\n return markerAfter\n }\n return nok(code)\n }\n\n /**\n * After marker.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function markerAfter(code) {\n // Note: whitespace is optional.\n return markdownLineEndingOrSpace(code)\n ? factoryWhitespace(effects, destinationBefore)(code)\n : destinationBefore(code)\n }\n\n /**\n * Before destination.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function destinationBefore(code) {\n return factoryDestination(\n effects,\n destinationAfter,\n // Note: we don’t need to reset the way `markdown-rs` does.\n nok,\n 'definitionDestination',\n 'definitionDestinationLiteral',\n 'definitionDestinationLiteralMarker',\n 'definitionDestinationRaw',\n 'definitionDestinationString'\n )(code)\n }\n\n /**\n * After destination.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function destinationAfter(code) {\n return effects.attempt(titleBefore, after, after)(code)\n }\n\n /**\n * After definition.\n *\n * ```markdown\n * > | [a]: b\n * ^\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n return markdownSpace(code)\n ? factorySpace(effects, afterWhitespace, 'whitespace')(code)\n : afterWhitespace(code)\n }\n\n /**\n * After definition, after optional whitespace.\n *\n * ```markdown\n * > | [a]: b\n * ^\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function afterWhitespace(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit('definition')\n\n // Note: we don’t care about uniqueness.\n // It’s likely that that doesn’t happen very frequently.\n // It is more likely that it wastes precious time.\n self.parser.defined.push(identifier)\n\n // To do: `markdown-rs` interrupt.\n // // You’d be interrupting.\n // tokenizer.interrupt = true\n return ok(code)\n }\n return nok(code)\n }\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeTitleBefore(effects, ok, nok) {\n return titleBefore\n\n /**\n * After destination, at whitespace.\n *\n * ```markdown\n * > | [a]: b\n * ^\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function titleBefore(code) {\n return markdownLineEndingOrSpace(code)\n ? factoryWhitespace(effects, beforeMarker)(code)\n : nok(code)\n }\n\n /**\n * At title.\n *\n * ```markdown\n * | [a]: b\n * > | \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function beforeMarker(code) {\n return factoryTitle(\n effects,\n titleAfter,\n nok,\n 'definitionTitle',\n 'definitionTitleMarker',\n 'definitionTitleString'\n )(code)\n }\n\n /**\n * After title.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function titleAfter(code) {\n return markdownSpace(code)\n ? factorySpace(effects, titleAfterOptionalWhitespace, 'whitespace')(code)\n : titleAfterOptionalWhitespace(code)\n }\n\n /**\n * After title, after optional whitespace.\n *\n * ```markdown\n * > | [a]: b \"c\"\n * ^\n * ```\n *\n * @type {State}\n */\n function titleAfterOptionalWhitespace(code) {\n return code === null || markdownLineEnding(code) ? ok(code) : 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, markdownSpace} from 'micromark-util-character'\n/** @type {Construct} */\nexport const codeIndented = {\n name: 'codeIndented',\n tokenize: tokenizeCodeIndented\n}\n\n/** @type {Construct} */\nconst furtherStart = {\n tokenize: tokenizeFurtherStart,\n partial: true\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeCodeIndented(effects, ok, nok) {\n const self = this\n return start\n\n /**\n * Start of code (indented).\n *\n * > **Parsing note**: it is not needed to check if this first line is a\n * > filled line (that it has a non-whitespace character), because blank lines\n * > are parsed already, so we never run into that.\n *\n * ```markdown\n * > | aaa\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n // To do: manually check if interrupting like `markdown-rs`.\n\n effects.enter('codeIndented')\n // To do: use an improved `space_or_tab` function like `markdown-rs`,\n // so that we can drop the next state.\n return factorySpace(effects, afterPrefix, 'linePrefix', 4 + 1)(code)\n }\n\n /**\n * At start, after 1 or 4 spaces.\n *\n * ```markdown\n * > | aaa\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 === 'linePrefix' &&\n tail[2].sliceSerialize(tail[1], true).length >= 4\n ? atBreak(code)\n : nok(code)\n }\n\n /**\n * At a break.\n *\n * ```markdown\n * > | aaa\n * ^ ^\n * ```\n *\n * @type {State}\n */\n function atBreak(code) {\n if (code === null) {\n return after(code)\n }\n if (markdownLineEnding(code)) {\n return effects.attempt(furtherStart, atBreak, after)(code)\n }\n effects.enter('codeFlowValue')\n return inside(code)\n }\n\n /**\n * In code content.\n *\n * ```markdown\n * > | aaa\n * ^^^^\n * ```\n *\n * @type {State}\n */\n function inside(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit('codeFlowValue')\n return atBreak(code)\n }\n effects.consume(code)\n return inside\n }\n\n /** @type {State} */\n function after(code) {\n effects.exit('codeIndented')\n // To do: allow interrupting like `markdown-rs`.\n // Feel free to interrupt.\n // tokenizer.interrupt = false\n return ok(code)\n }\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeFurtherStart(effects, ok, nok) {\n const self = this\n return furtherStart\n\n /**\n * At eol, trying to parse another indent.\n *\n * ```markdown\n * > | aaa\n * ^\n * | bbb\n * ```\n *\n * @type {State}\n */\n function furtherStart(code) {\n // To do: improve `lazy` / `pierce` handling.\n // If this is a lazy line, it can’t be code.\n if (self.parser.lazy[self.now().line]) {\n return nok(code)\n }\n if (markdownLineEnding(code)) {\n effects.enter('lineEnding')\n effects.consume(code)\n effects.exit('lineEnding')\n return furtherStart\n }\n\n // To do: the code here in `micromark-js` is a bit different from\n // `markdown-rs` because there it can attempt spaces.\n // We can’t yet.\n //\n // To do: use an improved `space_or_tab` function like `markdown-rs`,\n // so that we can drop the next state.\n return factorySpace(effects, afterPrefix, 'linePrefix', 4 + 1)(code)\n }\n\n /**\n * At start, after 1 or 4 spaces.\n *\n * ```markdown\n * > | aaa\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 === 'linePrefix' &&\n tail[2].sliceSerialize(tail[1], true).length >= 4\n ? ok(code)\n : markdownLineEnding(code)\n ? furtherStart(code)\n : nok(code)\n }\n}\n","/**\n * @typedef {import('micromark-util-types').Construct} Construct\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 {factorySpace} from 'micromark-factory-space'\nimport {\n markdownLineEnding,\n markdownLineEndingOrSpace,\n markdownSpace\n} from 'micromark-util-character'\nimport {splice} from 'micromark-util-chunked'\n/** @type {Construct} */\nexport const headingAtx = {\n name: 'headingAtx',\n tokenize: tokenizeHeadingAtx,\n resolve: resolveHeadingAtx\n}\n\n/** @type {Resolver} */\nfunction resolveHeadingAtx(events, context) {\n let contentEnd = events.length - 2\n let contentStart = 3\n /** @type {Token} */\n let content\n /** @type {Token} */\n let text\n\n // Prefix whitespace, part of the opening.\n if (events[contentStart][1].type === 'whitespace') {\n contentStart += 2\n }\n\n // Suffix whitespace, part of the closing.\n if (\n contentEnd - 2 > contentStart &&\n events[contentEnd][1].type === 'whitespace'\n ) {\n contentEnd -= 2\n }\n if (\n events[contentEnd][1].type === 'atxHeadingSequence' &&\n (contentStart === contentEnd - 1 ||\n (contentEnd - 4 > contentStart &&\n events[contentEnd - 2][1].type === 'whitespace'))\n ) {\n contentEnd -= contentStart + 1 === contentEnd ? 2 : 4\n }\n if (contentEnd > contentStart) {\n content = {\n type: 'atxHeadingText',\n start: events[contentStart][1].start,\n end: events[contentEnd][1].end\n }\n text = {\n type: 'chunkText',\n start: events[contentStart][1].start,\n end: events[contentEnd][1].end,\n contentType: 'text'\n }\n splice(events, contentStart, contentEnd - contentStart + 1, [\n ['enter', content, context],\n ['enter', text, context],\n ['exit', text, context],\n ['exit', content, context]\n ])\n }\n return events\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeHeadingAtx(effects, ok, nok) {\n let size = 0\n return start\n\n /**\n * Start of a heading (atx).\n *\n * ```markdown\n * > | ## aa\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n // To do: parse indent like `markdown-rs`.\n effects.enter('atxHeading')\n return before(code)\n }\n\n /**\n * After optional whitespace, at `#`.\n *\n * ```markdown\n * > | ## aa\n * ^\n * ```\n *\n * @type {State}\n */\n function before(code) {\n effects.enter('atxHeadingSequence')\n return sequenceOpen(code)\n }\n\n /**\n * In opening sequence.\n *\n * ```markdown\n * > | ## aa\n * ^\n * ```\n *\n * @type {State}\n */\n function sequenceOpen(code) {\n if (code === 35 && size++ < 6) {\n effects.consume(code)\n return sequenceOpen\n }\n\n // Always at least one `#`.\n if (code === null || markdownLineEndingOrSpace(code)) {\n effects.exit('atxHeadingSequence')\n return atBreak(code)\n }\n return nok(code)\n }\n\n /**\n * After something, before something else.\n *\n * ```markdown\n * > | ## aa\n * ^\n * ```\n *\n * @type {State}\n */\n function atBreak(code) {\n if (code === 35) {\n effects.enter('atxHeadingSequence')\n return sequenceFurther(code)\n }\n if (code === null || markdownLineEnding(code)) {\n effects.exit('atxHeading')\n // To do: interrupt like `markdown-rs`.\n // // Feel free to interrupt.\n // tokenizer.interrupt = false\n return ok(code)\n }\n if (markdownSpace(code)) {\n return factorySpace(effects, atBreak, 'whitespace')(code)\n }\n\n // To do: generate `data` tokens, add the `text` token later.\n // Needs edit map, see: `markdown.rs`.\n effects.enter('atxHeadingText')\n return data(code)\n }\n\n /**\n * In further sequence (after whitespace).\n *\n * Could be normal “visible” hashes in the heading or a final sequence.\n *\n * ```markdown\n * > | ## aa ##\n * ^\n * ```\n *\n * @type {State}\n */\n function sequenceFurther(code) {\n if (code === 35) {\n effects.consume(code)\n return sequenceFurther\n }\n effects.exit('atxHeadingSequence')\n return atBreak(code)\n }\n\n /**\n * In text.\n *\n * ```markdown\n * > | ## aa\n * ^\n * ```\n *\n * @type {State}\n */\n function data(code) {\n if (code === null || code === 35 || markdownLineEndingOrSpace(code)) {\n effects.exit('atxHeadingText')\n return atBreak(code)\n }\n effects.consume(code)\n return data\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').Resolver} Resolver\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} */\nexport const setextUnderline = {\n name: 'setextUnderline',\n tokenize: tokenizeSetextUnderline,\n resolveTo: resolveToSetextUnderline\n}\n\n/** @type {Resolver} */\nfunction resolveToSetextUnderline(events, context) {\n // To do: resolve like `markdown-rs`.\n let index = events.length\n /** @type {number | undefined} */\n let content\n /** @type {number | undefined} */\n let text\n /** @type {number | undefined} */\n let definition\n\n // Find the opening of the content.\n // It’ll always exist: we don’t tokenize if it isn’t there.\n while (index--) {\n if (events[index][0] === 'enter') {\n if (events[index][1].type === 'content') {\n content = index\n break\n }\n if (events[index][1].type === 'paragraph') {\n text = index\n }\n }\n // Exit\n else {\n if (events[index][1].type === 'content') {\n // Remove the content end (if needed we’ll add it later)\n events.splice(index, 1)\n }\n if (!definition && events[index][1].type === 'definition') {\n definition = index\n }\n }\n }\n const heading = {\n type: 'setextHeading',\n start: Object.assign({}, events[text][1].start),\n end: Object.assign({}, events[events.length - 1][1].end)\n }\n\n // Change the paragraph to setext heading text.\n events[text][1].type = 'setextHeadingText'\n\n // If we have definitions in the content, we’ll keep on having content,\n // but we need move it.\n if (definition) {\n events.splice(text, 0, ['enter', heading, context])\n events.splice(definition + 1, 0, ['exit', events[content][1], context])\n events[content][1].end = Object.assign({}, events[definition][1].end)\n } else {\n events[content][1] = heading\n }\n\n // Add the heading exit at the end.\n events.push(['exit', heading, context])\n return events\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeSetextUnderline(effects, ok, nok) {\n const self = this\n /** @type {NonNullable} */\n let marker\n return start\n\n /**\n * At start of heading (setext) underline.\n *\n * ```markdown\n * | aa\n * > | ==\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n let index = self.events.length\n /** @type {boolean | undefined} */\n let paragraph\n // Find an opening.\n while (index--) {\n // Skip enter/exit of line ending, line prefix, and content.\n // We can now either have a definition or a paragraph.\n if (\n self.events[index][1].type !== 'lineEnding' &&\n self.events[index][1].type !== 'linePrefix' &&\n self.events[index][1].type !== 'content'\n ) {\n paragraph = self.events[index][1].type === 'paragraph'\n break\n }\n }\n\n // To do: handle lazy/pierce like `markdown-rs`.\n // To do: parse indent like `markdown-rs`.\n if (!self.parser.lazy[self.now().line] && (self.interrupt || paragraph)) {\n effects.enter('setextHeadingLine')\n marker = code\n return before(code)\n }\n return nok(code)\n }\n\n /**\n * After optional whitespace, at `-` or `=`.\n *\n * ```markdown\n * | aa\n * > | ==\n * ^\n * ```\n *\n * @type {State}\n */\n function before(code) {\n effects.enter('setextHeadingLineSequence')\n return inside(code)\n }\n\n /**\n * In sequence.\n *\n * ```markdown\n * | aa\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 effects.exit('setextHeadingLineSequence')\n return markdownSpace(code)\n ? factorySpace(effects, after, 'lineSuffix')(code)\n : after(code)\n }\n\n /**\n * After sequence, after optional whitespace.\n *\n * ```markdown\n * | aa\n * > | ==\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n if (code === null || markdownLineEnding(code)) {\n effects.exit('setextHeadingLine')\n return ok(code)\n }\n return nok(code)\n }\n}\n","/**\n * List of lowercase HTML “block” tag names.\n *\n * The list, when parsing HTML (flow), results in more relaxed rules (condition\n * 6).\n * Because they are known blocks, the HTML-like syntax doesn’t have to be\n * strictly parsed.\n * For tag names not in this list, a more strict algorithm (condition 7) is used\n * to detect whether the HTML-like syntax is seen as HTML (flow) or not.\n *\n * This is copied from:\n * .\n *\n * > 👉 **Note**: `search` was added in `CommonMark@0.31`.\n */\nexport const htmlBlockNames = [\n 'address',\n 'article',\n 'aside',\n 'base',\n 'basefont',\n 'blockquote',\n 'body',\n 'caption',\n 'center',\n 'col',\n 'colgroup',\n 'dd',\n 'details',\n 'dialog',\n 'dir',\n 'div',\n 'dl',\n 'dt',\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 'hr',\n 'html',\n 'iframe',\n 'legend',\n 'li',\n 'link',\n 'main',\n 'menu',\n 'menuitem',\n 'nav',\n 'noframes',\n 'ol',\n 'optgroup',\n 'option',\n 'p',\n 'param',\n 'search',\n 'section',\n 'summary',\n 'table',\n 'tbody',\n 'td',\n 'tfoot',\n 'th',\n 'thead',\n 'title',\n 'tr',\n 'track',\n 'ul'\n]\n\n/**\n * List of lowercase HTML “raw” tag names.\n *\n * The list, when parsing HTML (flow), results in HTML that can include lines\n * without exiting, until a closing tag also in this list is found (condition\n * 1).\n *\n * This module is copied from:\n * .\n *\n * > 👉 **Note**: `textarea` was added in `CommonMark@0.30`.\n */\nexport const htmlRawNames = ['pre', 'script', 'style', 'textarea']\n","/**\n * @typedef {import('micromark-util-types').Code} Code\n * @typedef {import('micromark-util-types').Construct} Construct\n * @typedef {import('micromark-util-types').Resolver} Resolver\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 markdownLineEnding,\n markdownLineEndingOrSpace,\n markdownSpace\n} from 'micromark-util-character'\nimport {htmlBlockNames, htmlRawNames} from 'micromark-util-html-tag-name'\nimport {blankLine} from './blank-line.js'\n\n/** @type {Construct} */\nexport const htmlFlow = {\n name: 'htmlFlow',\n tokenize: tokenizeHtmlFlow,\n resolveTo: resolveToHtmlFlow,\n concrete: true\n}\n\n/** @type {Construct} */\nconst blankLineBefore = {\n tokenize: tokenizeBlankLineBefore,\n partial: true\n}\nconst nonLazyContinuationStart = {\n tokenize: tokenizeNonLazyContinuationStart,\n partial: true\n}\n\n/** @type {Resolver} */\nfunction resolveToHtmlFlow(events) {\n let index = events.length\n while (index--) {\n if (events[index][0] === 'enter' && events[index][1].type === 'htmlFlow') {\n break\n }\n }\n if (index > 1 && events[index - 2][1].type === 'linePrefix') {\n // Add the prefix start to the HTML token.\n events[index][1].start = events[index - 2][1].start\n // Add the prefix start to the HTML line token.\n events[index + 1][1].start = events[index - 2][1].start\n // Remove the line prefix.\n events.splice(index - 2, 2)\n }\n return events\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeHtmlFlow(effects, ok, nok) {\n const self = this\n /** @type {number} */\n let marker\n /** @type {boolean} */\n let closingTag\n /** @type {string} */\n let buffer\n /** @type {number} */\n let index\n /** @type {Code} */\n let markerB\n return start\n\n /**\n * Start of HTML (flow).\n *\n * ```markdown\n * > | \n * ^^\n * > | \n * ^^\n * ```\n *\n * @type {State}\n */\n function tagName(code) {\n if (\n code === null ||\n code === 47 ||\n code === 62 ||\n markdownLineEndingOrSpace(code)\n ) {\n const slash = code === 47\n const name = buffer.toLowerCase()\n if (!slash && !closingTag && htmlRawNames.includes(name)) {\n marker = 1\n // // Do not form containers.\n // tokenizer.concrete = true\n return self.interrupt ? ok(code) : continuation(code)\n }\n if (htmlBlockNames.includes(buffer.toLowerCase())) {\n marker = 6\n if (slash) {\n effects.consume(code)\n return basicSelfClosing\n }\n\n // // Do not form containers.\n // tokenizer.concrete = true\n return self.interrupt ? ok(code) : continuation(code)\n }\n marker = 7\n // Do not support complete HTML when interrupting.\n return self.interrupt && !self.parser.lazy[self.now().line]\n ? nok(code)\n : closingTag\n ? completeClosingTagAfter(code)\n : completeAttributeNameBefore(code)\n }\n\n // ASCII alphanumerical and `-`.\n if (code === 45 || asciiAlphanumeric(code)) {\n effects.consume(code)\n buffer += String.fromCharCode(code)\n return tagName\n }\n return nok(code)\n }\n\n /**\n * After closing slash of a basic tag name.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function basicSelfClosing(code) {\n if (code === 62) {\n effects.consume(code)\n // // Do not form containers.\n // tokenizer.concrete = true\n return self.interrupt ? ok : continuation\n }\n return nok(code)\n }\n\n /**\n * After closing slash of a complete tag name.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function completeAfter(code) {\n if (code === null || markdownLineEnding(code)) {\n // // Do not form containers.\n // tokenizer.concrete = true\n return continuation(code)\n }\n if (markdownSpace(code)) {\n effects.consume(code)\n return completeAfter\n }\n return nok(code)\n }\n\n /**\n * In continuation of any HTML kind.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function continuation(code) {\n if (code === 45 && marker === 2) {\n effects.consume(code)\n return continuationCommentInside\n }\n if (code === 60 && marker === 1) {\n effects.consume(code)\n return continuationRawTagOpen\n }\n if (code === 62 && marker === 4) {\n effects.consume(code)\n return continuationClose\n }\n if (code === 63 && marker === 3) {\n effects.consume(code)\n return continuationDeclarationInside\n }\n if (code === 93 && marker === 5) {\n effects.consume(code)\n return continuationCdataInside\n }\n if (markdownLineEnding(code) && (marker === 6 || marker === 7)) {\n effects.exit('htmlFlowData')\n return effects.check(\n blankLineBefore,\n continuationAfter,\n continuationStart\n )(code)\n }\n if (code === null || markdownLineEnding(code)) {\n effects.exit('htmlFlowData')\n return continuationStart(code)\n }\n effects.consume(code)\n return continuation\n }\n\n /**\n * In continuation, at eol.\n *\n * ```markdown\n * > | \n * ^\n * | asd\n * ```\n *\n * @type {State}\n */\n function continuationStart(code) {\n return effects.check(\n nonLazyContinuationStart,\n continuationStartNonLazy,\n continuationAfter\n )(code)\n }\n\n /**\n * In continuation, at eol, before non-lazy content.\n *\n * ```markdown\n * > | \n * ^\n * | asd\n * ```\n *\n * @type {State}\n */\n function continuationStartNonLazy(code) {\n effects.enter('lineEnding')\n effects.consume(code)\n effects.exit('lineEnding')\n return continuationBefore\n }\n\n /**\n * In continuation, before non-lazy content.\n *\n * ```markdown\n * | \n * > | asd\n * ^\n * ```\n *\n * @type {State}\n */\n function continuationBefore(code) {\n if (code === null || markdownLineEnding(code)) {\n return continuationStart(code)\n }\n effects.enter('htmlFlowData')\n return continuation(code)\n }\n\n /**\n * In comment continuation, after one `-`, expecting another.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function continuationCommentInside(code) {\n if (code === 45) {\n effects.consume(code)\n return continuationDeclarationInside\n }\n return continuation(code)\n }\n\n /**\n * In raw continuation, after `<`, at `/`.\n *\n * ```markdown\n * > | \n * ^\n * ```\n *\n * @type {State}\n */\n function continuationRawTagOpen(code) {\n if (code === 47) {\n effects.consume(code)\n buffer = ''\n return continuationRawEndTag\n }\n return continuation(code)\n }\n\n /**\n * In raw continuation, after ` | \n * ^^^^^^\n * ```\n *\n * @type {State}\n */\n function continuationRawEndTag(code) {\n if (code === 62) {\n const name = buffer.toLowerCase()\n if (htmlRawNames.includes(name)) {\n effects.consume(code)\n return continuationClose\n }\n return continuation(code)\n }\n if (asciiAlpha(code) && buffer.length < 8) {\n 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 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 * \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 */\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 {void}\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').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 {text, string} 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('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 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\n // @ts-expect-error `Buffer` does allow an encoding.\n value = buffer + value.toString(encoding)\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 * @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 * 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.fromCharCode(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 ||\n code === 11 ||\n (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 > 55295 && code < 57344) ||\n // Noncharacters.\n (code > 64975 && code < 65008) /* eslint-disable no-bitwise */ ||\n (code & 65535) === 65535 ||\n (code & 65535) === 65534 /* eslint-enable no-bitwise */ ||\n // Out of range\n code > 1114111\n ) {\n return '\\uFFFD'\n }\n return String.fromCharCode(code)\n}\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('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').Parent} UnistParent\n * @typedef {import('unist').Point} Point\n *\n * @typedef {import('mdast').PhrasingContent} PhrasingContent\n * @typedef {import('mdast').StaticPhrasingContent} StaticPhrasingContent\n * @typedef {import('mdast').Content} Content\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').ImageReference} ImageReference\n * @typedef {import('mdast').InlineCode} InlineCode\n * @typedef {import('mdast').Link} Link\n * @typedef {import('mdast').LinkReference} LinkReference\n * @typedef {import('mdast').List} List\n * @typedef {import('mdast').ListItem} ListItem\n * @typedef {import('mdast').Paragraph} Paragraph\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 * @typedef {import('mdast').ReferenceType} ReferenceType\n * @typedef {import('../index.js').CompileData} CompileData\n */\n\n/**\n * @typedef {Root | Content} Node\n * @typedef {Extract} Parent\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 | undefined | null | 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 {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 {void}\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 {void}\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 {(key: Key) => CompileData[Key]} getData\n * Get data from the key/value store.\n * @property {(key: Key, value?: CompileData[Key]) => void} setData\n * Set data into the key/value store.\n * @property {(this: CompileContext) => void} 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: Kind, token: Token, onError?: OnEnterError) => Kind} enter\n * Enter a token.\n * @property {(this: CompileContext, token: Token, onError?: OnExitError) => Node} exit\n * Exit a token.\n * @property {TokenizeContext['sliceSerialize']} sliceSerialize\n * Get the string value of a token.\n * @property {Config} config\n * Configuration.\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\n// To do: micromark: create a registry of tokens?\n// To do: next major: don’t return given `Node` from `enter`.\n// To do: next major: remove setter/getter.\n\nimport {toString} from 'mdast-util-to-string'\nimport {parse} from 'micromark/lib/parse.js'\nimport {preprocess} from 'micromark/lib/preprocess.js'\nimport {postprocess} from 'micromark/lib/postprocess.js'\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 * @param value\n * Markdown to parse.\n * @param encoding\n * Character encoding for when `value` is `Buffer`.\n * @param options\n * Configuration.\n * @returns\n * mdast tree.\n */\nexport const fromMarkdown =\n /**\n * @type {(\n * ((value: Value, encoding: Encoding, options?: Options | null | undefined) => Root) &\n * ((value: Value, options?: Options | null | undefined) => Root)\n * )}\n */\n\n /**\n * @param {Value} value\n * @param {Encoding | Options | null | undefined} [encoding]\n * @param {Options | null | undefined} [options]\n * @returns {Root}\n */\n function (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 setData,\n getData\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 if (\n event[1].type === 'listUnordered' ||\n event[1].type === 'listOrdered' ||\n event[1].type === 'blockQuote'\n ) {\n if (event[0] === 'enter') {\n containerBalance++\n } else {\n containerBalance--\n }\n atMarker = undefined\n } else if (event[1].type === '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 } else if (\n event[1].type === 'linePrefix' ||\n event[1].type === 'listItemValue' ||\n event[1].type === 'listItemMarker' ||\n event[1].type === 'listItemPrefix' ||\n event[1].type === 'listItemPrefixWhitespace'\n ) {\n // Empty.\n } else {\n atMarker = undefined\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 listItem = {\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 // @ts-expect-error: `listItem` is most definitely defined, TS...\n events.splice(index, 0, ['enter', listItem, 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 * Set data.\n *\n * @template {keyof CompileData} Key\n * Field type.\n * @param {Key} key\n * Key of field.\n * @param {CompileData[Key]} [value]\n * New value.\n * @returns {void}\n * Nothing.\n */\n function setData(key, value) {\n data[key] = value\n }\n\n /**\n * Get data.\n *\n * @template {keyof CompileData} Key\n * Field type.\n * @param {Key} key\n * Key of field.\n * @returns {CompileData[Key]}\n * Value.\n */\n function getData(key) {\n return data[key]\n }\n\n /**\n * Create an opener handle.\n *\n * @param {(token: Token) => Node} create\n * Create a node.\n * @param {Handle} [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 {void}\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 {void}\n */\n function buffer() {\n this.stack.push({\n type: 'fragment',\n children: []\n })\n }\n\n /**\n * @template {Node} Kind\n * Node type.\n * @this {CompileContext}\n * Context.\n * @param {Kind} 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 {Kind}\n * The given node.\n */\n function enter(node, token, errorHandler) {\n const parent = this.stack[this.stack.length - 1]\n // @ts-expect-error: Assume `Node` can exist as a child of `parent`.\n parent.children.push(node)\n this.stack.push(node)\n this.tokenStack.push([token, errorHandler])\n // @ts-expect-error: `end` will be patched later.\n node.position = {\n start: point(token.start)\n }\n return node\n }\n\n /**\n * Create a closer handle.\n *\n * @param {Handle} [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 {void}\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 {Node}\n * The closed node.\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 return node\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 setData('expectingFirstListItemValue', true)\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onenterlistitemvalue(token) {\n if (getData('expectingFirstListItemValue')) {\n const ancestor = this.stack[this.stack.length - 2]\n ancestor.start = Number.parseInt(this.sliceSerialize(token), 10)\n setData('expectingFirstListItemValue')\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 (getData('flowCodeInside')) return\n this.buffer()\n setData('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 setData('flowCodeInside')\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 setData('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).charCodeAt(0) === 61 ? 1 : 2\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n function onexitsetextheading() {\n setData('setextHeadingSlurpLineEnding')\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 let tail = node.children[node.children.length - 1]\n if (!tail || tail.type !== 'text') {\n // Add a new text node.\n tail = text()\n // @ts-expect-error: we’ll add `end` later.\n tail.position = {\n start: point(token.start)\n }\n // @ts-expect-error: Assume `parent` accepts `text`.\n node.children.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 (getData('atHardBreak')) {\n const tail = context.children[context.children.length - 1]\n tail.position.end = point(token.end)\n setData('atHardBreak')\n return\n }\n if (\n !getData('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 setData('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 (getData('inReference')) {\n /** @type {ReferenceType} */\n const referenceType = getData('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 setData('referenceType')\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 (getData('inReference')) {\n /** @type {ReferenceType} */\n const referenceType = getData('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 setData('referenceType')\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 setData('inReference', true)\n if (node.type === 'link') {\n /** @type {Array} */\n // @ts-expect-error: Assume static phrasing content.\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 setData('inReference')\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onenterreference() {\n setData('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 setData('referenceType', 'full')\n }\n\n /**\n * @this {CompileContext}\n * @type {Handle}\n */\n\n function onexitcharacterreferencemarker(token) {\n setData('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 = getData('characterReferenceType')\n /** @type {string} */\n let value\n if (type) {\n value = decodeNumericCharacterReference(\n data,\n type === 'characterReferenceMarkerNumeric' ? 10 : 16\n )\n setData('characterReferenceType')\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 // @ts-expect-error `depth` will be set later.\n return {\n type: 'heading',\n depth: undefined,\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>} extensions\n * @returns {void}\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 {void}\n */\nfunction extension(combined, extension) {\n /** @type {keyof Extension} */\n let key\n for (key in extension) {\n if (own.call(extension, key)) {\n if (key === 'canContainEols') {\n const right = extension[key]\n if (right) {\n combined[key].push(...right)\n }\n } else if (key === 'transforms') {\n const right = extension[key]\n if (right) {\n combined[key].push(...right)\n }\n } else if (key === 'enter' || key === 'exit') {\n const right = extension[key]\n if (right) {\n Object.assign(combined[key], right)\n }\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('mdast').Root} Root\n * @typedef {import('mdast-util-from-markdown').Options} Options\n */\n\nimport {fromMarkdown} from 'mdast-util-from-markdown'\n\n/**\n * @this {import('unified').Processor}\n * @type {import('unified').Plugin<[Options?] | void[], string, Root>}\n */\nexport default function remarkParse(options) {\n /** @type {import('unified').ParserFunction} */\n const parser = (doc) => {\n // Assume options.\n const settings = /** @type {Options} */ (this.data('settings'))\n\n return fromMarkdown(\n doc,\n Object.assign({}, settings, 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: this.data('micromarkExtensions') || [],\n mdastExtensions: this.data('fromMarkdownExtensions') || []\n })\n )\n }\n\n Object.assign(this, {Parser: parser})\n}\n","/**\n * @typedef {import('unist').Node} Node\n */\n\n/**\n * @typedef {Array | string} ChildrenOrValue\n * List to use as `children` or value to use as `value`.\n *\n * @typedef {Record} Props\n * Other fields to add to the node.\n */\n\n/**\n * Build a node.\n *\n * @param type\n * Node type.\n * @param props\n * Fields assigned to node.\n * @param value\n * Children of node or value of `node` (cast to string).\n * @returns\n * Built node.\n */\nexport const u =\n /**\n * @type {(\n * ((type: T) => {type: T}) &\n * ((type: T, props: P) => {type: T} & P) &\n * ((type: T, value: string) => {type: T, value: string}) &\n * ((type: T, props: P, value: string) => {type: T, value: string} & P) &\n * (>(type: T, children: C) => {type: T, children: C}) &\n * (>(type: T, props: P, children: C) => {type: T, children: C} & P)\n * )}\n */\n (\n /**\n * @param {string} type\n * @param {Props | ChildrenOrValue | null | undefined} [props]\n * @param {ChildrenOrValue | null | undefined} [value]\n * @returns {Node}\n */\n function (type, props, value) {\n /** @type {Node} */\n const node = {type: String(type)}\n\n if (\n (value === undefined || value === null) &&\n (typeof props === 'string' || Array.isArray(props))\n ) {\n value = props\n } else {\n Object.assign(node, props)\n }\n\n if (Array.isArray(value)) {\n // @ts-expect-error: create a parent.\n node.children = value\n } else if (value !== undefined && value !== null) {\n // @ts-expect-error: create a literal.\n node.value = String(value)\n }\n\n return node\n }\n )\n","/**\n * @typedef {import('unist').Node} Node\n * @typedef {import('unist').Parent} Parent\n */\n\n/**\n * @typedef {Record} Props\n * @typedef {null | undefined | string | Props | TestFunctionAnything | Array} Test\n * Check for an arbitrary node, unaware of TypeScript inferral.\n *\n * @callback TestFunctionAnything\n * Check if a node passes a test, unaware of TypeScript inferral.\n * @param {unknown} this\n * The given context.\n * @param {Node} node\n * 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 | void}\n * Whether this node passes the test.\n */\n\n/**\n * @template {Node} Kind\n * Node type.\n * @typedef {Kind['type'] | Partial | TestFunctionPredicate | Array | TestFunctionPredicate>} PredicateTest\n * Check for a node that can be inferred by TypeScript.\n */\n\n/**\n * Check if a node passes a certain test.\n *\n * @template {Node} Kind\n * Node type.\n * @callback TestFunctionPredicate\n * Complex test function for a node that can be inferred by TypeScript.\n * @param {Node} node\n * 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 {node is Kind}\n * Whether this node passes the test.\n */\n\n/**\n * @callback AssertAnything\n * Check that an arbitrary value is a node, unaware of TypeScript inferral.\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\n/**\n * Check if a node is a node and passes a certain node test.\n *\n * @template {Node} Kind\n * Node type.\n * @callback AssertPredicate\n * Check that an arbitrary value is a specific node, aware of TypeScript.\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 {node is Kind}\n * Whether this is a node and passes a test.\n */\n\n/**\n * Check if `node` is a `Node` and whether it passes the given test.\n *\n * @param node\n * Thing to check, typically `Node`.\n * @param test\n * A check for a specific node.\n * @param index\n * The node’s position in its parent.\n * @param parent\n * The node’s parent.\n * @returns\n * Whether `node` is a node and passes a test.\n */\nexport const is =\n /**\n * @type {(\n * (() => false) &\n * ((node: unknown, test: PredicateTest, index: number, parent: Parent, context?: unknown) => node is Kind) &\n * ((node: unknown, test: PredicateTest, index?: null | undefined, parent?: null | undefined, context?: unknown) => node is Kind) &\n * ((node: unknown, test: Test, index: number, parent: Parent, context?: unknown) => boolean) &\n * ((node: unknown, test?: Test, index?: null | undefined, 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 is(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 // @ts-expect-error Looks like a node.\n return node && node.type && typeof node.type === 'string'\n ? Boolean(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\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\n * An assertion.\n */\nexport const convert =\n /**\n * @type {(\n * ((test: PredicateTest) => AssertPredicate) &\n * ((test?: Test) => AssertAnything)\n * )}\n */\n (\n /**\n * @param {Test} [test]\n * @returns {AssertAnything}\n */\n function (test) {\n if (test === undefined || test === null) {\n return ok\n }\n\n if (typeof test === 'string') {\n return typeFactory(test)\n }\n\n if (typeof test === 'object') {\n return Array.isArray(test) ? anyFactory(test) : propsFactory(test)\n }\n\n if (typeof test === 'function') {\n return castFactory(test)\n }\n\n throw new Error('Expected function, string, or object as test')\n }\n )\n\n/**\n * @param {Array} tests\n * @returns {AssertAnything}\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 * @param {Array} parameters\n * @returns {boolean}\n */\n function any(...parameters) {\n let index = -1\n\n while (++index < checks.length) {\n if (checks[index].call(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 {AssertAnything}\n */\nfunction propsFactory(check) {\n return castFactory(all)\n\n /**\n * @param {Node} node\n * @returns {boolean}\n */\n function all(node) {\n /** @type {string} */\n let key\n\n for (key in check) {\n // @ts-expect-error: hush, it sure works as an index.\n if (node[key] !== check[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 {AssertAnything}\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 {TestFunctionAnything} check\n * @returns {AssertAnything}\n */\nfunction castFactory(check) {\n return assertion\n\n /**\n * @this {unknown}\n * @param {unknown} node\n * @param {Array} parameters\n * @returns {boolean}\n */\n function assertion(node, ...parameters) {\n return Boolean(\n node &&\n typeof node === 'object' &&\n 'type' in node &&\n // @ts-expect-error: fine.\n Boolean(check.call(this, node, ...parameters))\n )\n }\n}\n\nfunction ok() {\n return true\n}\n","/**\n * @param {string} d\n * @returns {string}\n */\nexport function color(d) {\n return d\n}\n","/**\n * @typedef {import('unist').Node} Node\n * @typedef {import('unist').Parent} Parent\n * @typedef {import('unist-util-is').Test} Test\n */\n\n/**\n * @typedef {boolean | 'skip'} 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 * @template {Node} [Visited=Node]\n * Visited node type.\n * @template {Parent} [Ancestor=Parent]\n * Ancestor type.\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 */\n\n/**\n * @template {Node} [Tree=Node]\n * Tree type.\n * @template {Test} [Check=string]\n * Test type.\n * @typedef {Visitor, Check>, Extract, Parent>>} 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 */\n\nimport {convert} from 'unist-util-is'\nimport {color} from './color.js'\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 * @param tree\n * Tree to traverse.\n * @param test\n * `unist-util-is`-compatible test\n * @param visitor\n * Handle each node.\n * @param reverse\n * Traverse in reverse preorder (NRL) instead of the default preorder (NLR).\n * @returns\n * Nothing.\n */\nexport const visitParents =\n /**\n * @type {(\n * ((tree: Tree, test: Check, visitor: BuildVisitor, reverse?: boolean | null | undefined) => void) &\n * ((tree: Tree, visitor: BuildVisitor, reverse?: boolean | null | undefined) => void)\n * )}\n */\n (\n /**\n * @param {Node} tree\n * @param {Test} test\n * @param {Visitor} visitor\n * @param {boolean | null | undefined} [reverse]\n * @returns {void}\n */\n function (tree, test, visitor, reverse) {\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 test = null\n }\n\n const is = convert(test)\n const step = reverse ? -1 : 1\n\n factory(tree, undefined, [])()\n\n /**\n * @param {Node} node\n * @param {number | undefined} index\n * @param {Array} parents\n */\n function factory(node, index, parents) {\n /** @type {Record} */\n // @ts-expect-error: hush\n const value = node && typeof node === 'object' ? node : {}\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 {ActionTuple} */\n let result = []\n /** @type {ActionTuple} */\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] || null)) {\n result = toResult(visitor(node, parents))\n\n if (result[0] === EXIT) {\n return result\n }\n }\n\n // @ts-expect-error looks like a parent.\n if (node.children && result[0] !== SKIP) {\n // @ts-expect-error looks like a parent.\n offset = (reverse ? node.children.length : -1) + step\n // @ts-expect-error looks like a parent.\n grandparents = parents.concat(node)\n\n // @ts-expect-error looks like a parent.\n while (offset > -1 && offset < node.children.length) {\n // @ts-expect-error looks like a parent.\n subresult = factory(node.children[offset], 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 return result\n }\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 {ActionTuple}\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]\n}\n","/**\n * @typedef {import('unist').Node} Node\n * @typedef {import('unist').Parent} Parent\n * @typedef {import('unist-util-is').Test} Test\n * @typedef {import('unist-util-visit-parents').VisitorResult} VisitorResult\n */\n\n/**\n * Check if `Child` can be a child of `Ancestor`.\n *\n * Returns the ancestor when `Child` can be a child of `Ancestor`, or returns\n * `never`.\n *\n * @template {Node} Ancestor\n * Node type.\n * @template {Node} Child\n * Node type.\n * @typedef {(\n * Ancestor extends Parent\n * ? Child extends Ancestor['children'][number]\n * ? Ancestor\n * : never\n * : never\n * )} ParentsOf\n */\n\n/**\n * @template {Node} [Visited=Node]\n * Visited node type.\n * @template {Parent} [Ancestor=Parent]\n * Ancestor type.\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 Node ? number | null : never} index\n * Index of `node` in `parent`.\n * @param {Ancestor extends Node ? Ancestor | null : 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 */\n\n/**\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 *\n * @template {Node} Visited\n * Node type.\n * @template {Parent} Ancestor\n * Parent type.\n * @typedef {Visitor>} BuildVisitorFromMatch\n */\n\n/**\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 *\n * @template {Node} Descendant\n * Node type.\n * @template {Test} Check\n * Test type.\n * @typedef {(\n * BuildVisitorFromMatch<\n * import('unist-util-visit-parents/complex-types.js').Matches,\n * Extract\n * >\n * )} BuildVisitorFromDescendants\n */\n\n/**\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 *\n * @template {Node} [Tree=Node]\n * Node type.\n * @template {Test} [Check=string]\n * Test type.\n * @typedef {(\n * BuildVisitorFromDescendants<\n * import('unist-util-visit-parents/complex-types.js').InclusiveDescendant,\n * Check\n * >\n * )} BuildVisitor\n */\n\nimport {visitParents} 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 * @param tree\n * Tree to traverse.\n * @param test\n * `unist-util-is`-compatible test\n * @param visitor\n * Handle each node.\n * @param reverse\n * Traverse in reverse preorder (NRL) instead of the default preorder (NLR).\n * @returns\n * Nothing.\n */\nexport const visit =\n /**\n * @type {(\n * ((tree: Tree, test: Check, visitor: BuildVisitor, reverse?: boolean | null | undefined) => void) &\n * ((tree: Tree, visitor: BuildVisitor, reverse?: boolean | null | undefined) => void)\n * )}\n */\n (\n /**\n * @param {Node} tree\n * @param {Test} test\n * @param {Visitor} visitor\n * @param {boolean | null | undefined} [reverse]\n * @returns {void}\n */\n function (tree, test, visitor, reverse) {\n if (typeof test === 'function' && typeof visitor !== 'function') {\n reverse = visitor\n visitor = test\n test = null\n }\n\n visitParents(tree, test, overload, reverse)\n\n /**\n * @param {Node} node\n * @param {Array} parents\n */\n function overload(node, parents) {\n const parent = parents[parents.length - 1]\n return visitor(\n node,\n parent ? parent.children.indexOf(node) : null,\n parent\n )\n }\n }\n )\n\nexport {CONTINUE, EXIT, SKIP} from 'unist-util-visit-parents'\n","/**\n * @typedef {import('unist').Position} Position\n * @typedef {import('unist').Node} Node\n * @typedef {import('unist').Point} Point\n */\n\n/**\n * @typedef NodeLike\n * @property {string} type\n * @property {PositionLike | null | undefined} [position]\n *\n * @typedef PositionLike\n * @property {PointLike | null | undefined} [start]\n * @property {PointLike | null | undefined} [end]\n *\n * @typedef PointLike\n * @property {number | null | undefined} [line]\n * @property {number | null | undefined} [column]\n * @property {number | null | undefined} [offset]\n */\n\n/**\n * Get the starting point of `node`.\n *\n * @param node\n * Node.\n * @returns\n * Point.\n */\nexport const pointStart = point('start')\n\n/**\n * Get the ending point of `node`.\n *\n * @param node\n * Node.\n * @returns\n * Point.\n */\nexport const pointEnd = point('end')\n\n/**\n * Get the positional info of `node`.\n *\n * @param {NodeLike | Node | null | undefined} [node]\n * Node.\n * @returns {Position}\n * Position.\n */\nexport function position(node) {\n return {start: pointStart(node), end: pointEnd(node)}\n}\n\n/**\n * Get the positional info of `node`.\n *\n * @param {'start' | 'end'} type\n * Side.\n * @returns\n * Getter.\n */\nfunction point(type) {\n return point\n\n /**\n * Get the point info of `node` at a bound side.\n *\n * @param {NodeLike | Node | null | undefined} [node]\n * @returns {Point}\n */\n function point(node) {\n const point = (node && node.position && node.position[type]) || {}\n\n // To do: next major: don’t return points when invalid.\n return {\n // @ts-expect-error: in practice, null is allowed.\n line: point.line || null,\n // @ts-expect-error: in practice, null is allowed.\n column: point.column || null,\n // @ts-expect-error: in practice, null is allowed.\n offset: point.offset > -1 ? point.offset : null\n }\n }\n}\n","/**\n * @typedef PointLike\n * @property {number | null | undefined} [line]\n * @property {number | null | undefined} [column]\n * @property {number | null | undefined} [offset]\n *\n * @typedef PositionLike\n * @property {PointLike | null | undefined} [start]\n * @property {PointLike | null | undefined} [end]\n *\n * @typedef NodeLike\n * @property {PositionLike | null | undefined} [position]\n */\n\n/**\n * Check if `node` is generated.\n *\n * @param {NodeLike | null | undefined} [node]\n * Node to check.\n * @returns {boolean}\n * Whether `node` is generated (does not have positional info).\n */\nexport function generated(node) {\n return (\n !node ||\n !node.position ||\n !node.position.start ||\n !node.position.start.line ||\n !node.position.start.column ||\n !node.position.end ||\n !node.position.end.line ||\n !node.position.end.column\n )\n}\n","/**\n * @typedef {import('mdast').Root} Root\n * @typedef {import('mdast').Content} Content\n * @typedef {import('mdast').Definition} Definition\n */\n\n/**\n * @typedef {Root | Content} Node\n *\n * @callback GetDefinition\n * Get a definition by identifier.\n * @param {string | null | undefined} [identifier]\n * Identifier of definition.\n * @returns {Definition | null}\n * Definition corresponding to `identifier` or `null`.\n */\n\nimport {visit} from 'unist-util-visit'\n\nconst own = {}.hasOwnProperty\n\n/**\n * Find definitions in `tree`.\n *\n * Uses CommonMark precedence, which means that earlier definitions are\n * preferred over duplicate later definitions.\n *\n * @param {Node} tree\n * Tree to check.\n * @returns {GetDefinition}\n * Getter.\n */\nexport function definitions(tree) {\n /** @type {Record} */\n const cache = Object.create(null)\n\n if (!tree || !tree.type) {\n throw new Error('mdast-util-definitions expected node')\n }\n\n visit(tree, 'definition', (definition) => {\n const id = clean(definition.identifier)\n if (id && !own.call(cache, id)) {\n cache[id] = definition\n }\n })\n\n return definition\n\n /** @type {GetDefinition} */\n function definition(identifier) {\n const id = clean(identifier)\n // To do: next major: return `undefined` when not found.\n return id && own.call(cache, id) ? cache[id] : null\n }\n}\n\n/**\n * @param {string | null | undefined} [value]\n * @returns {string}\n */\nfunction clean(value) {\n return String(value || '').toUpperCase()\n}\n","/**\n * @typedef {import('mdast').Root|import('mdast').Parent['children'][number]} MdastNode\n * @typedef {import('./index.js').H} H\n * @typedef {import('./index.js').Handler} Handler\n * @typedef {import('./index.js').Content} Content\n */\n\nimport {u} from 'unist-builder'\n\nconst own = {}.hasOwnProperty\n\n/**\n * Transform an unknown node.\n * @type {Handler}\n * @param {MdastNode} node\n */\nfunction unknown(h, node) {\n const data = node.data || {}\n\n if (\n 'value' in node &&\n !(\n own.call(data, 'hName') ||\n own.call(data, 'hProperties') ||\n own.call(data, 'hChildren')\n )\n ) {\n return h.augment(node, u('text', node.value))\n }\n\n return h(node, 'div', all(h, node))\n}\n\n/**\n * @type {Handler}\n * @param {MdastNode} node\n */\nexport function one(h, node, parent) {\n const type = node && node.type\n /** @type {Handler} */\n let fn\n\n // Fail on non-nodes.\n if (!type) {\n throw new Error('Expected node, got `' + node + '`')\n }\n\n if (own.call(h.handlers, type)) {\n fn = h.handlers[type]\n } else if (h.passThrough && h.passThrough.includes(type)) {\n fn = returnNode\n } else {\n fn = h.unknownHandler\n }\n\n return (typeof fn === 'function' ? fn : unknown)(h, node, parent)\n}\n\n/**\n * @type {Handler}\n * @param {MdastNode} node\n */\nfunction returnNode(h, node) {\n // @ts-expect-error: Pass through custom node.\n return 'children' in node ? {...node, children: all(h, node)} : node\n}\n\n/**\n * @param {H} h\n * @param {MdastNode} parent\n */\nexport function all(h, parent) {\n /** @type {Array.} */\n const values = []\n\n if ('children' in parent) {\n const nodes = parent.children\n let index = -1\n\n while (++index < nodes.length) {\n const result = one(h, nodes[index], parent)\n\n if (result) {\n if (index && nodes[index - 1].type === 'break') {\n if (!Array.isArray(result) && result.type === 'text') {\n result.value = result.value.replace(/^\\s+/, '')\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 = head.value.replace(/^\\s+/, '')\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 * @typedef {import('mdast').ThematicBreak} ThematicBreak\n * @typedef {import('hast').Element} Element\n * @typedef {import('../index.js').Handler} Handler\n */\n\n/**\n * @type {Handler}\n * @param {ThematicBreak} [node]\n * @returns {Element}\n */\nexport function thematicBreak(h, node) {\n return h(node, 'hr')\n}\n","/**\n * @typedef {import('./index.js').Content} Content\n */\n\nimport {u} from 'unist-builder'\n\n/**\n * Wrap `nodes` with line feeds between each entry.\n * Optionally adds line feeds at the start and end.\n *\n * @param {Array.} nodes\n * @param {boolean} [loose=false]\n * @returns {Array.}\n */\nexport function wrap(nodes, loose) {\n /** @type {Array.} */\n const result = []\n let index = -1\n\n if (loose) {\n result.push(u('text', '\\n'))\n }\n\n while (++index < nodes.length) {\n if (index) result.push(u('text', '\\n'))\n result.push(nodes[index])\n }\n\n if (loose && nodes.length > 0) {\n result.push(u('text', '\\n'))\n }\n\n return result\n}\n","/**\n * @typedef {import('mdast').List} List\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {wrap} from '../wrap.js'\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {List} node\n * @returns {Element}\n */\nexport function list(h, node) {\n /** @type {Properties} */\n const props = {}\n const name = node.ordered ? 'ol' : 'ul'\n const items = all(h, node)\n let index = -1\n\n if (typeof node.start === 'number' && node.start !== 1) {\n props.start = node.start\n }\n\n // Like GitHub, add a class for custom styling.\n while (++index < items.length) {\n const item = items[index]\n\n if (\n item.type === 'element' &&\n item.tagName === 'li' &&\n item.properties &&\n Array.isArray(item.properties.className) &&\n item.properties.className.includes('task-list-item')\n ) {\n props.className = ['contains-task-list']\n break\n }\n }\n\n return h(node, name, props, wrap(items, true))\n}\n","/**\n * @typedef {import('mdast').BlockContent} BlockContent\n * @typedef {import('mdast').FootnoteDefinition} FootnoteDefinition\n * @typedef {import('mdast').Link} Link\n * @typedef {import('mdast').ListItem} ListItem\n * @typedef {import('mdast').Paragraph} Paragraph\n * @typedef {import('./index.js').H} H\n */\n\nimport {thematicBreak} from './handlers/thematic-break.js'\nimport {list} from './handlers/list.js'\nimport {wrap} from './wrap.js'\n\n/**\n * @param {H} h\n */\nexport function footer(h) {\n const footnoteById = h.footnoteById\n const footnoteOrder = h.footnoteOrder\n let index = -1\n /** @type {Array.} */\n const listItems = []\n\n while (++index < footnoteOrder.length) {\n const def = footnoteById[footnoteOrder[index].toUpperCase()]\n\n if (!def) {\n continue\n }\n\n const marker = String(index + 1)\n const content = [...def.children]\n /** @type {Link} */\n const backReference = {\n type: 'link',\n url: '#fnref' + marker,\n data: {hProperties: {className: ['footnote-back'], role: 'doc-backlink'}},\n children: [{type: 'text', value: '↩'}]\n }\n const tail = content[content.length - 1]\n\n if (tail && tail.type === 'paragraph') {\n tail.children.push(backReference)\n } else {\n // @ts-expect-error Indeed, link directly added in block content.\n // Which we do because that way at least the handlers will be called\n // for the other HTML we’re generating (as markdown).\n content.push(backReference)\n }\n\n listItems.push({\n type: 'listItem',\n data: {hProperties: {id: 'fn' + marker, role: 'doc-endnote'}},\n children: content,\n position: def.position\n })\n }\n\n if (listItems.length === 0) {\n return null\n }\n\n return h(\n null,\n 'section',\n {className: ['footnotes'], role: 'doc-endnotes'},\n wrap(\n [\n thematicBreak(h),\n list(h, {type: 'list', ordered: true, children: listItems})\n ],\n true\n )\n )\n}\n","/**\n * @typedef {import('mdast').Blockquote} Blockquote\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {wrap} from '../wrap.js'\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Blockquote} node\n */\nexport function blockquote(h, node) {\n return h(node, 'blockquote', wrap(all(h, node), true))\n}\n","/**\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Text} Text\n * @typedef {import('mdast').Break} Break\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {u} from 'unist-builder'\n\n/**\n * @type {Handler}\n * @param {Break} node\n * @returns {Array}\n */\nexport function hardBreak(h, node) {\n return [h(node, 'br'), u('text', '\\n')]\n}\n","/**\n * @typedef {import('mdast').Code} Code\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {u} from 'unist-builder'\n\n/**\n * @type {Handler}\n * @param {Code} node\n */\nexport function code(h, node) {\n const value = node.value ? node.value + '\\n' : ''\n // To do: next major, use `node.lang` w/o regex, the splitting’s been going\n // on for years in remark now.\n const lang = node.lang && node.lang.match(/^[^ \\t]+(?=[ \\t]|$)/)\n /** @type {Properties} */\n const props = {}\n\n if (lang) {\n props.className = ['language-' + lang]\n }\n\n const code = h(node, 'code', props, [u('text', value)])\n\n if (node.meta) {\n code.data = {meta: node.meta}\n }\n\n return h(node.position, 'pre', [code])\n}\n","/**\n * @typedef {import('mdast').Delete} Delete\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Delete} node\n */\nexport function strikethrough(h, node) {\n return h(node, 'del', all(h, node))\n}\n","/**\n * @typedef {import('mdast').Emphasis} Emphasis\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Emphasis} node\n */\nexport function emphasis(h, node) {\n return h(node, 'em', all(h, node))\n}\n","/**\n * @typedef {import('mdast').FootnoteReference} FootnoteReference\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {u} from 'unist-builder'\n\n/**\n * @type {Handler}\n * @param {FootnoteReference} node\n */\nexport function footnoteReference(h, node) {\n const footnoteOrder = h.footnoteOrder\n const identifier = String(node.identifier)\n const index = footnoteOrder.indexOf(identifier)\n const marker = String(\n index === -1 ? footnoteOrder.push(identifier) : index + 1\n )\n\n return h(\n node,\n 'a',\n {\n href: '#fn' + marker,\n className: ['footnote-ref'],\n id: 'fnref' + marker,\n role: 'doc-noteref'\n },\n [h(node.position, 'sup', [u('text', marker)])]\n )\n}\n","/**\n * @typedef {import('mdast').Footnote} Footnote\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {footnoteReference} from './footnote-reference.js'\n\n/**\n * @type {Handler}\n * @param {Footnote} node\n */\nexport function footnote(h, node) {\n const footnoteById = h.footnoteById\n const footnoteOrder = h.footnoteOrder\n let no = 1\n\n while (no in footnoteById) no++\n\n const identifier = String(no)\n\n // No need to check if `identifier` exists in `footnoteOrder`, it’s guaranteed\n // to not exist because we just generated it.\n footnoteOrder.push(identifier)\n\n footnoteById[identifier] = {\n type: 'footnoteDefinition',\n identifier,\n children: [{type: 'paragraph', children: node.children}],\n position: node.position\n }\n\n return footnoteReference(h, {\n type: 'footnoteReference',\n identifier,\n position: node.position\n })\n}\n","/**\n * @typedef {import('mdast').Heading} Heading\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Heading} node\n */\nexport function heading(h, node) {\n return h(node, 'h' + node.depth, all(h, node))\n}\n","/**\n * @typedef {import('mdast').HTML} HTML\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {u} from 'unist-builder'\n\n/**\n * Return either a `raw` node in dangerous mode, otherwise nothing.\n *\n * @type {Handler}\n * @param {HTML} node\n */\nexport function html(h, node) {\n return h.dangerous ? h.augment(node, u('raw', node.value)) : null\n}\n","/**\n * @typedef {import('mdast').LinkReference} LinkReference\n * @typedef {import('mdast').ImageReference} ImageReference\n * @typedef {import('./index.js').Handler} Handler\n * @typedef {import('./index.js').Content} Content\n */\n\nimport {u} from 'unist-builder'\nimport {all} from './traverse.js'\n\n/**\n * Return the content of a reference without definition as plain text.\n *\n * @type {Handler}\n * @param {ImageReference|LinkReference} node\n * @returns {Content|Array.}\n */\nexport function revert(h, 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 u('text', '![' + node.alt + suffix)\n }\n\n const contents = all(h, node)\n const head = contents[0]\n\n if (head && head.type === 'text') {\n head.value = '[' + head.value\n } else {\n contents.unshift(u('text', '['))\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(u('text', suffix))\n }\n\n return contents\n}\n","/**\n * @typedef {import('mdast').ImageReference} ImageReference\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport normalize from 'mdurl/encode.js'\nimport {revert} from '../revert.js'\n\n/**\n * @type {Handler}\n * @param {ImageReference} node\n */\nexport function imageReference(h, node) {\n const def = h.definition(node.identifier)\n\n if (!def) {\n return revert(h, node)\n }\n\n /** @type {Properties} */\n const props = {src: normalize(def.url || ''), alt: node.alt}\n\n if (def.title !== null && def.title !== undefined) {\n props.title = def.title\n }\n\n return h(node, 'img', props)\n}\n","/**\n * @typedef {import('mdast').Image} Image\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport normalize from 'mdurl/encode.js'\n\n/**\n * @type {Handler}\n * @param {Image} node\n */\nexport function image(h, node) {\n /** @type {Properties} */\n const props = {src: normalize(node.url), alt: node.alt}\n\n if (node.title !== null && node.title !== undefined) {\n props.title = node.title\n }\n\n return h(node, 'img', props)\n}\n","/**\n * @typedef {import('mdast').InlineCode} InlineCode\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {u} from 'unist-builder'\n\n/**\n * @type {Handler}\n * @param {InlineCode} node\n */\nexport function inlineCode(h, node) {\n return h(node, 'code', [u('text', node.value.replace(/\\r?\\n|\\r/g, ' '))])\n}\n","/**\n * @typedef {import('mdast').LinkReference} LinkReference\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport normalize from 'mdurl/encode.js'\nimport {revert} from '../revert.js'\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {LinkReference} node\n */\nexport function linkReference(h, node) {\n const def = h.definition(node.identifier)\n\n if (!def) {\n return revert(h, node)\n }\n\n /** @type {Properties} */\n const props = {href: normalize(def.url || '')}\n\n if (def.title !== null && def.title !== undefined) {\n props.title = def.title\n }\n\n return h(node, 'a', props, all(h, node))\n}\n","/**\n * @typedef {import('mdast').Link} Link\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport normalize from 'mdurl/encode.js'\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Link} node\n */\nexport function link(h, node) {\n /** @type {Properties} */\n const props = {href: normalize(node.url)}\n\n if (node.title !== null && node.title !== undefined) {\n props.title = node.title\n }\n\n return h(node, 'a', props, all(h, node))\n}\n","/**\n * @typedef {import('mdast').ListItem} ListItem\n * @typedef {import('mdast').List} List\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('hast').Element} Element\n * @typedef {import('../index.js').Handler} Handler\n * @typedef {import('../index.js').Content} Content\n */\n\nimport {u} from 'unist-builder'\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {ListItem} node\n * @param {List} parent\n */\nexport function listItem(h, node, parent) {\n const result = all(h, node)\n const loose = parent ? listLoose(parent) : listItemLoose(node)\n /** @type {Properties} */\n const props = {}\n /** @type {Array.} */\n const wrapped = []\n\n if (typeof node.checked === 'boolean') {\n /** @type {Element} */\n let paragraph\n\n if (\n result[0] &&\n result[0].type === 'element' &&\n result[0].tagName === 'p'\n ) {\n paragraph = result[0]\n } else {\n paragraph = h(null, 'p', [])\n result.unshift(paragraph)\n }\n\n if (paragraph.children.length > 0) {\n paragraph.children.unshift(u('text', ' '))\n }\n\n paragraph.children.unshift(\n h(null, 'input', {\n type: 'checkbox',\n checked: node.checked,\n disabled: true\n })\n )\n\n // According to github-markdown-css, this class hides bullet.\n // See: .\n props.className = ['task-list-item']\n }\n\n let index = -1\n\n while (++index < result.length) {\n const child = result[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 wrapped.push(u('text', '\\n'))\n }\n\n if (child.type === 'element' && child.tagName === 'p' && !loose) {\n wrapped.push(...child.children)\n } else {\n wrapped.push(child)\n }\n }\n\n const tail = result[result.length - 1]\n\n // Add a final eol.\n if (tail && (loose || !('tagName' in tail) || tail.tagName !== 'p')) {\n wrapped.push(u('text', '\\n'))\n }\n\n return h(node, 'li', props, wrapped)\n}\n\n/**\n * @param {List} node\n * @return {Boolean}\n */\nfunction listLoose(node) {\n let loose = node.spread\n const children = node.children\n let index = -1\n\n while (!loose && ++index < children.length) {\n loose = listItemLoose(children[index])\n }\n\n return Boolean(loose)\n}\n\n/**\n * @param {ListItem} node\n * @return {Boolean}\n */\nfunction listItemLoose(node) {\n const spread = node.spread\n\n return spread === undefined || spread === null\n ? node.children.length > 1\n : spread\n}\n","/**\n * @typedef {import('mdast').Paragraph} Paragraph\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Paragraph} node\n */\nexport function paragraph(h, node) {\n return h(node, 'p', all(h, node))\n}\n","/**\n * @typedef {import('mdast').Root} Root\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {u} from 'unist-builder'\nimport {all} from '../traverse.js'\nimport {wrap} from '../wrap.js'\n\n/**\n * @type {Handler}\n * @param {Root} node\n */\nexport function root(h, node) {\n // @ts-expect-error `root`s are also fine.\n return h.augment(node, u('root', wrap(all(h, node))))\n}\n","/**\n * @typedef {import('mdast').Strong} Strong\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Strong} node\n */\nexport function strong(h, node) {\n return h(node, 'strong', all(h, node))\n}\n","/**\n * @typedef {import('mdast').Table} Table\n * @typedef {import('mdast').TableCell} TableCell\n * @typedef {import('hast').Element} Element\n * @typedef {import('../index.js').Handler} Handler\n * @typedef {import('../index.js').Content} Content\n */\n\nimport {pointStart, pointEnd} from 'unist-util-position'\nimport {wrap} from '../wrap.js'\nimport {all} from '../traverse.js'\n\n/**\n * @type {Handler}\n * @param {Table} node\n */\nexport function table(h, node) {\n const rows = node.children\n let index = -1\n const align = node.align || []\n /** @type {Array.} */\n const result = []\n\n while (++index < rows.length) {\n const row = rows[index].children\n const name = index === 0 ? 'th' : 'td'\n let pos = node.align ? align.length : row.length\n /** @type {Array.} */\n const out = []\n\n while (pos--) {\n const cell = row[pos]\n out[pos] = h(cell, name, {align: align[pos]}, cell ? all(h, cell) : [])\n }\n\n result[index] = h(rows[index], 'tr', wrap(out, true))\n }\n\n return h(\n node,\n 'table',\n wrap(\n [h(result[0].position, 'thead', wrap([result[0]], true))].concat(\n result[1]\n ? h(\n {\n start: pointStart(result[1]),\n end: pointEnd(result[result.length - 1])\n },\n 'tbody',\n wrap(result.slice(1), true)\n )\n : []\n ),\n true\n )\n )\n}\n","/**\n * @typedef {import('mdast').Text} Text\n * @typedef {import('../index.js').Handler} Handler\n */\n\nimport {u} from 'unist-builder'\n\n/**\n * @type {Handler}\n * @param {Text} node\n */\nexport function text(h, node) {\n return h.augment(\n node,\n u('text', String(node.value).replace(/[ \\t]*(\\r?\\n|\\r)[ \\t]*/g, '$1'))\n )\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 {footnote} from './footnote.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 {text} from './text.js'\nimport {thematicBreak} from './thematic-break.js'\n\nexport const handlers = {\n blockquote,\n break: hardBreak,\n code,\n delete: strikethrough,\n emphasis,\n footnoteReference,\n footnote,\n heading,\n html,\n imageReference,\n image,\n inlineCode,\n linkReference,\n link,\n listItem,\n list,\n paragraph,\n root,\n strong,\n table,\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 null\n}\n","/**\n * @typedef {import('mdast').Root|import('mdast').Parent['children'][number]} MdastNode\n * @typedef {import('hast').Root|import('hast').Parent['children'][number]} HastNode\n * @typedef {import('mdast').Parent} Parent\n * @typedef {import('mdast').Definition} Definition\n * @typedef {import('mdast').FootnoteDefinition} FootnoteDefinition\n * @typedef {import('hast').Properties} Properties\n * @typedef {import('hast').Text} Text\n * @typedef {import('hast').Comment} Comment\n * @typedef {import('hast').Element} Element\n * @typedef {import('hast').Root} Root\n * @typedef {import('hast').ElementContent} Content\n * @typedef {import('unist-util-position').PositionLike} PositionLike\n *\n * @typedef EmbeddedHastFields\n * @property {string} [hName] Defines the tag name of an element\n * @property {Properties} [hProperties] Defines the properties of an element\n * @property {Array.} [hChildren] Defines the (hast) children of an element\n *\n * @typedef {Object. & EmbeddedHastFields} Data unist data with embedded hast fields\n *\n * @typedef {MdastNode & {data?: Data}} NodeWithData unist node with embedded hast data\n *\n * @callback Handler\n * @param {H} h Handle context\n * @param {any} node mdast node to handle\n * @param {Parent|null} parent Parent of `node`\n * @returns {Content|Array.|null|undefined} hast node\n *\n * @callback HFunctionProps\n * @param {MdastNode|PositionLike|null|undefined} node mdast node or unist position\n * @param {string} tagName HTML tag name\n * @param {Properties} props Properties\n * @param {Array.?} [children] hast content\n * @returns {Element}\n *\n * @callback HFunctionNoProps\n * @param {MdastNode|PositionLike|null|undefined} node mdast node or unist position\n * @param {string} tagName HTML tag name\n * @param {Array.?} [children] hast content\n * @returns {Element}\n *\n * @typedef HFields\n * @property {boolean} dangerous Whether HTML is allowed\n * @property {(identifier: string) => Definition|null} definition Definition cache\n * @property {Object.} footnoteById Footnote cache\n * @property {Array.} footnoteOrder Order in which footnotes occur\n * @property {Handlers} handlers Applied handlers\n * @property {Handler} unknownHandler Handler for any none not in `passThrough` or otherwise handled\n * @property {(left: NodeWithData|PositionLike|null|undefined, right: Content) => Content} augment Like `h` but lower-level and usable on non-elements.\n * @property {Array.} passThrough List of node types to pass through untouched (except for their children).\n *\n * @typedef Options\n * @property {boolean} [allowDangerousHtml=false] Whether to allow `html` nodes and inject them as `raw` HTML\n * @property {Handlers} [handlers] Object mapping mdast nodes to functions handling them\n * @property {Array.} [passThrough] List of custom mdast node types to pass through (keep) in hast\n * @property {Handler} [unknownHandler] Handler for all unknown nodes.\n *\n * @typedef {Record.} Handlers Map of node types to handlers\n * @typedef {HFunctionProps & HFunctionNoProps & HFields} H Handle context\n */\n\nimport {u} from 'unist-builder'\nimport {visit} from 'unist-util-visit'\nimport {pointStart, pointEnd} from 'unist-util-position'\nimport {generated} from 'unist-util-generated'\nimport {definitions} from 'mdast-util-definitions'\nimport {one} from './traverse.js'\nimport {footer} from './footer.js'\nimport {handlers} from './handlers/index.js'\n\nconst own = {}.hasOwnProperty\n\n/**\n * Factory to transform.\n * @param {MdastNode} tree mdast node\n * @param {Options} [options] Configuration\n * @returns {H} `h` function\n */\nfunction factory(tree, options) {\n const settings = options || {}\n const dangerous = settings.allowDangerousHtml || false\n /** @type {Object.} */\n const footnoteById = {}\n\n h.dangerous = dangerous\n h.definition = definitions(tree)\n h.footnoteById = footnoteById\n /** @type {Array.} */\n h.footnoteOrder = []\n h.augment = augment\n h.handlers = {...handlers, ...settings.handlers}\n h.unknownHandler = settings.unknownHandler\n h.passThrough = settings.passThrough\n\n visit(tree, 'footnoteDefinition', (definition) => {\n const id = String(definition.identifier).toUpperCase()\n\n // Mimick CM behavior of link definitions.\n // See: .\n if (!own.call(footnoteById, id)) {\n footnoteById[id] = definition\n }\n })\n\n // @ts-expect-error Hush, it’s fine!\n return h\n\n /**\n * Finalise the created `right`, a hast node, from `left`, an mdast node.\n * @param {(NodeWithData|PositionLike)?} left\n * @param {Content} right\n * @returns {Content}\n */\n function augment(left, right) {\n // Handle `data.hName`, `data.hProperties, `data.hChildren`.\n if (left && 'data' in left && left.data) {\n /** @type {Data} */\n const data = left.data\n\n if (data.hName) {\n if (right.type !== 'element') {\n right = {\n type: 'element',\n tagName: '',\n properties: {},\n children: []\n }\n }\n\n right.tagName = data.hName\n }\n\n if (right.type === 'element' && data.hProperties) {\n right.properties = {...right.properties, ...data.hProperties}\n }\n\n if ('children' in right && right.children && data.hChildren) {\n right.children = data.hChildren\n }\n }\n\n if (left) {\n const ctx = 'type' in left ? left : {position: left}\n\n if (!generated(ctx)) {\n right.position = {start: pointStart(ctx), end: pointEnd(ctx)}\n }\n }\n\n return right\n }\n\n /**\n * Create an element for `node`.\n *\n * @type {HFunctionProps}\n */\n function h(node, tagName, props, children) {\n if (Array.isArray(props)) {\n children = props\n props = {}\n }\n\n // @ts-expect-error augmenting an element yields an element.\n return augment(node, {\n type: 'element',\n tagName,\n properties: props || {},\n children: children || []\n })\n }\n}\n\n/**\n * Transform `tree` (an mdast node) to a hast node.\n *\n * @param {MdastNode} tree mdast node\n * @param {Options} [options] Configuration\n * @returns {HastNode|null|undefined} hast node\n */\nexport function toHast(tree, options) {\n const h = factory(tree, options)\n const node = one(h, tree, null)\n const foot = footer(h)\n\n if (foot) {\n // @ts-expect-error If there’s a footer, there were definitions, meaning block\n // content.\n // So assume `node` is a parent node.\n node.children.push(u('text', '\\n'), foot)\n }\n\n return Array.isArray(node) ? {type: 'root', children: node} : node\n}\n","/**\n * @typedef {import('unist').Node} Node\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 *\n * @typedef {import('mdast-util-to-hast')} DoNotTouchAsThisImportIncludesRawInTree\n */\n\nimport {toHast} from 'mdast-util-to-hast'\n\n// Note: the `` overload doesn’t seem to work :'(\n\n/**\n * Plugin to bridge or mutate to rehype.\n *\n * If a destination is given, runs the destination with the new hast tree\n * (bridge-mode).\n * Without destination, returns the hast tree: further plugins run on that tree\n * (mutate-mode).\n *\n * @param destination\n * Optional unified processor.\n * @param options\n * Options passed to `mdast-util-to-hast`.\n */\nconst remarkRehype =\n /** @type {(import('unified').Plugin<[Processor, Options?]|[Options]|[], MdastRoot>)} */\n (\n function (destination, options) {\n return destination && 'run' in destination\n ? bridge(destination, options)\n : mutate(destination)\n }\n )\n\nexport default remarkRehype\n\n/**\n * Bridge-mode.\n * Runs the destination with the new hast tree.\n *\n * @type {import('unified').Plugin<[Processor, Options?], MdastRoot>}\n */\nfunction bridge(destination, options) {\n return (node, file, next) => {\n destination.run(toHast(node, options), file, (error) => {\n next(error)\n })\n }\n}\n\n/**\n * Mutate-mode.\n * Further transformers run on the nlcst tree.\n *\n * @type {import('unified').Plugin<[Options?]|void[], MdastRoot, HastRoot>}\n */\nfunction mutate(options) {\n // @ts-expect-error: assume a corresponding node is returned for `toHast`.\n return (node) => toHast(node, options)\n}\n","/**\n * @typedef {import('./info.js').Info} Info\n * @typedef {Record} Properties\n * @typedef {Record} Normal\n */\n\nexport class Schema {\n /**\n * @constructor\n * @param {Properties} property\n * @param {Normal} normal\n * @param {string} [space]\n */\n constructor(property, normal, space) {\n this.property = property\n this.normal = normal\n if (space) {\n this.space = space\n }\n }\n}\n\n/** @type {Properties} */\nSchema.prototype.property = {}\n/** @type {Normal} */\nSchema.prototype.normal = {}\n/** @type {string|null} */\nSchema.prototype.space = null\n","/**\n * @typedef {import('./schema.js').Properties} Properties\n * @typedef {import('./schema.js').Normal} Normal\n */\n\nimport {Schema} from './schema.js'\n\n/**\n * @param {Schema[]} definitions\n * @param {string} [space]\n * @returns {Schema}\n */\nexport function merge(definitions, space) {\n /** @type {Properties} */\n const property = {}\n /** @type {Normal} */\n const normal = {}\n let index = -1\n\n while (++index < definitions.length) {\n Object.assign(property, definitions[index].property)\n Object.assign(normal, definitions[index].normal)\n }\n\n return new Schema(property, normal, space)\n}\n","/**\n * @param {string} value\n * @returns {string}\n */\nexport function normalize(value) {\n return value.toLowerCase()\n}\n","export class Info {\n /**\n * @constructor\n * @param {string} property\n * @param {string} attribute\n */\n constructor(property, attribute) {\n /** @type {string} */\n this.property = property\n /** @type {string} */\n this.attribute = attribute\n }\n}\n\n/** @type {string|null} */\nInfo.prototype.space = null\nInfo.prototype.boolean = false\nInfo.prototype.booleanish = false\nInfo.prototype.overloadedBoolean = false\nInfo.prototype.number = false\nInfo.prototype.commaSeparated = false\nInfo.prototype.spaceSeparated = false\nInfo.prototype.commaOrSpaceSeparated = false\nInfo.prototype.mustUseProperty = false\nInfo.prototype.defined = false\n","let powers = 0\n\nexport const boolean = increment()\nexport const booleanish = increment()\nexport const overloadedBoolean = increment()\nexport const number = increment()\nexport const spaceSeparated = increment()\nexport const commaSeparated = increment()\nexport const commaOrSpaceSeparated = increment()\n\nfunction increment() {\n return 2 ** ++powers\n}\n","import {Info} from './info.js'\nimport * as types from './types.js'\n\n/** @type {Array} */\n// @ts-expect-error: hush.\nconst checks = Object.keys(types)\n\nexport class DefinedInfo extends Info {\n /**\n * @constructor\n * @param {string} property\n * @param {string} attribute\n * @param {number|null} [mask]\n * @param {string} [space]\n */\n constructor(property, attribute, mask, space) {\n let index = -1\n\n super(property, attribute)\n\n mark(this, 'space', space)\n\n if (typeof mask === 'number') {\n while (++index < checks.length) {\n const check = checks[index]\n mark(this, checks[index], (mask & types[check]) === types[check])\n }\n }\n }\n}\n\nDefinedInfo.prototype.defined = true\n\n/**\n * @param {DefinedInfo} values\n * @param {string} key\n * @param {unknown} value\n */\nfunction mark(values, key, value) {\n if (value) {\n // @ts-expect-error: assume `value` matches the expected value of `key`.\n values[key] = value\n }\n}\n","/**\n * @typedef {import('./schema.js').Properties} Properties\n * @typedef {import('./schema.js').Normal} Normal\n *\n * @typedef {Record} Attributes\n *\n * @typedef {Object} Definition\n * @property {Record} properties\n * @property {(attributes: Attributes, property: string) => string} transform\n * @property {string} [space]\n * @property {Attributes} [attributes]\n * @property {Array} [mustUseProperty]\n */\n\nimport {normalize} from '../normalize.js'\nimport {Schema} from './schema.js'\nimport {DefinedInfo} from './defined-info.js'\n\nconst own = {}.hasOwnProperty\n\n/**\n * @param {Definition} definition\n * @returns {Schema}\n */\nexport function create(definition) {\n /** @type {Properties} */\n const property = {}\n /** @type {Normal} */\n const normal = {}\n /** @type {string} */\n let prop\n\n for (prop in definition.properties) {\n if (own.call(definition.properties, prop)) {\n const value = definition.properties[prop]\n const info = new DefinedInfo(\n prop,\n definition.transform(definition.attributes || {}, prop),\n value,\n definition.space\n )\n\n if (\n definition.mustUseProperty &&\n definition.mustUseProperty.includes(prop)\n ) {\n info.mustUseProperty = true\n }\n\n property[prop] = info\n\n normal[normalize(prop)] = prop\n normal[normalize(info.attribute)] = prop\n }\n }\n\n return new Schema(property, normal, definition.space)\n}\n","import {create} from './util/create.js'\n\nexport const xlink = create({\n space: 'xlink',\n transform(_, prop) {\n return 'xlink:' + prop.slice(5).toLowerCase()\n },\n properties: {\n xLinkActuate: null,\n xLinkArcRole: null,\n xLinkHref: null,\n xLinkRole: null,\n xLinkShow: null,\n xLinkTitle: null,\n xLinkType: null\n }\n})\n","import {create} from './util/create.js'\n\nexport const xml = create({\n space: 'xml',\n transform(_, prop) {\n return 'xml:' + prop.slice(3).toLowerCase()\n },\n properties: {xmlLang: null, xmlBase: null, xmlSpace: null}\n})\n","/**\n * @param {Record} attributes\n * @param {string} attribute\n * @returns {string}\n */\nexport function caseSensitiveTransform(attributes, attribute) {\n return attribute in attributes ? attributes[attribute] : attribute\n}\n","import {caseSensitiveTransform} from './case-sensitive-transform.js'\n\n/**\n * @param {Record} attributes\n * @param {string} property\n * @returns {string}\n */\nexport function caseInsensitiveTransform(attributes, property) {\n return caseSensitiveTransform(attributes, property.toLowerCase())\n}\n","import {create} from './util/create.js'\nimport {caseInsensitiveTransform} from './util/case-insensitive-transform.js'\n\nexport const xmlns = create({\n space: 'xmlns',\n attributes: {xmlnsxlink: 'xmlns:xlink'},\n transform: caseInsensitiveTransform,\n properties: {xmlns: null, xmlnsXLink: null}\n})\n","import {booleanish, number, spaceSeparated} from './util/types.js'\nimport {create} from './util/create.js'\n\nexport const aria = create({\n transform(_, prop) {\n return prop === 'role' ? prop : 'aria-' + prop.slice(4).toLowerCase()\n },\n properties: {\n ariaActiveDescendant: null,\n ariaAtomic: booleanish,\n ariaAutoComplete: null,\n ariaBusy: booleanish,\n ariaChecked: booleanish,\n ariaColCount: number,\n ariaColIndex: number,\n ariaColSpan: number,\n ariaControls: spaceSeparated,\n ariaCurrent: null,\n ariaDescribedBy: spaceSeparated,\n ariaDetails: null,\n ariaDisabled: booleanish,\n ariaDropEffect: spaceSeparated,\n ariaErrorMessage: null,\n ariaExpanded: booleanish,\n ariaFlowTo: spaceSeparated,\n ariaGrabbed: booleanish,\n ariaHasPopup: null,\n ariaHidden: booleanish,\n ariaInvalid: null,\n ariaKeyShortcuts: null,\n ariaLabel: null,\n ariaLabelledBy: spaceSeparated,\n ariaLevel: number,\n ariaLive: null,\n ariaModal: booleanish,\n ariaMultiLine: booleanish,\n ariaMultiSelectable: booleanish,\n ariaOrientation: null,\n ariaOwns: spaceSeparated,\n ariaPlaceholder: null,\n ariaPosInSet: number,\n ariaPressed: booleanish,\n ariaReadOnly: booleanish,\n ariaRelevant: null,\n ariaRequired: booleanish,\n ariaRoleDescription: spaceSeparated,\n ariaRowCount: number,\n ariaRowIndex: number,\n ariaRowSpan: number,\n ariaSelected: booleanish,\n ariaSetSize: number,\n ariaSort: null,\n ariaValueMax: number,\n ariaValueMin: number,\n ariaValueNow: number,\n ariaValueText: null,\n role: null\n }\n})\n","import {\n boolean,\n overloadedBoolean,\n booleanish,\n number,\n spaceSeparated,\n commaSeparated\n} from './util/types.js'\nimport {create} from './util/create.js'\nimport {caseInsensitiveTransform} from './util/case-insensitive-transform.js'\n\nexport const html = create({\n space: 'html',\n attributes: {\n acceptcharset: 'accept-charset',\n classname: 'class',\n htmlfor: 'for',\n httpequiv: 'http-equiv'\n },\n transform: caseInsensitiveTransform,\n mustUseProperty: ['checked', 'multiple', 'muted', 'selected'],\n properties: {\n // Standard Properties.\n abbr: null,\n accept: commaSeparated,\n acceptCharset: spaceSeparated,\n accessKey: spaceSeparated,\n action: null,\n allow: null,\n allowFullScreen: boolean,\n allowPaymentRequest: boolean,\n allowUserMedia: boolean,\n alt: null,\n as: null,\n async: boolean,\n autoCapitalize: null,\n autoComplete: spaceSeparated,\n autoFocus: boolean,\n autoPlay: boolean,\n blocking: spaceSeparated,\n capture: null,\n charSet: null,\n checked: boolean,\n cite: null,\n className: spaceSeparated,\n cols: number,\n colSpan: null,\n content: null,\n contentEditable: booleanish,\n controls: boolean,\n controlsList: spaceSeparated,\n coords: number | commaSeparated,\n crossOrigin: null,\n data: null,\n dateTime: null,\n decoding: null,\n default: boolean,\n defer: boolean,\n dir: null,\n dirName: null,\n disabled: boolean,\n download: overloadedBoolean,\n draggable: booleanish,\n encType: null,\n enterKeyHint: null,\n fetchPriority: null,\n form: null,\n formAction: null,\n formEncType: null,\n formMethod: null,\n formNoValidate: boolean,\n formTarget: null,\n headers: spaceSeparated,\n height: number,\n hidden: boolean,\n high: number,\n href: null,\n hrefLang: null,\n htmlFor: spaceSeparated,\n httpEquiv: spaceSeparated,\n id: null,\n imageSizes: null,\n imageSrcSet: null,\n inert: boolean,\n inputMode: null,\n integrity: null,\n is: null,\n isMap: boolean,\n itemId: null,\n itemProp: spaceSeparated,\n itemRef: spaceSeparated,\n itemScope: boolean,\n itemType: spaceSeparated,\n kind: null,\n label: null,\n lang: null,\n language: null,\n list: null,\n loading: null,\n loop: boolean,\n low: number,\n manifest: null,\n max: null,\n maxLength: number,\n media: null,\n method: null,\n min: null,\n minLength: number,\n multiple: boolean,\n muted: boolean,\n name: null,\n nonce: null,\n noModule: boolean,\n noValidate: boolean,\n onAbort: null,\n onAfterPrint: null,\n onAuxClick: null,\n onBeforeMatch: null,\n onBeforePrint: null,\n onBeforeToggle: null,\n onBeforeUnload: null,\n onBlur: null,\n onCancel: null,\n onCanPlay: null,\n onCanPlayThrough: null,\n onChange: null,\n onClick: null,\n onClose: null,\n onContextLost: null,\n onContextMenu: null,\n onContextRestored: null,\n onCopy: null,\n onCueChange: null,\n onCut: null,\n onDblClick: null,\n onDrag: null,\n onDragEnd: null,\n onDragEnter: null,\n onDragExit: null,\n onDragLeave: null,\n onDragOver: null,\n onDragStart: null,\n onDrop: null,\n onDurationChange: null,\n onEmptied: null,\n onEnded: null,\n onError: null,\n onFocus: null,\n onFormData: null,\n onHashChange: null,\n onInput: null,\n onInvalid: null,\n onKeyDown: null,\n onKeyPress: null,\n onKeyUp: null,\n onLanguageChange: null,\n onLoad: null,\n onLoadedData: null,\n onLoadedMetadata: null,\n onLoadEnd: null,\n onLoadStart: null,\n onMessage: null,\n onMessageError: null,\n onMouseDown: null,\n onMouseEnter: null,\n onMouseLeave: null,\n onMouseMove: null,\n onMouseOut: null,\n onMouseOver: null,\n onMouseUp: null,\n onOffline: null,\n onOnline: null,\n onPageHide: null,\n onPageShow: null,\n onPaste: null,\n onPause: null,\n onPlay: null,\n onPlaying: null,\n onPopState: null,\n onProgress: null,\n onRateChange: null,\n onRejectionHandled: null,\n onReset: null,\n onResize: null,\n onScroll: null,\n onScrollEnd: null,\n onSecurityPolicyViolation: null,\n onSeeked: null,\n onSeeking: null,\n onSelect: null,\n onSlotChange: null,\n onStalled: null,\n onStorage: null,\n onSubmit: null,\n onSuspend: null,\n onTimeUpdate: null,\n onToggle: null,\n onUnhandledRejection: null,\n onUnload: null,\n onVolumeChange: null,\n onWaiting: null,\n onWheel: null,\n open: boolean,\n optimum: number,\n pattern: null,\n ping: spaceSeparated,\n placeholder: null,\n playsInline: boolean,\n popover: null,\n popoverTarget: null,\n popoverTargetAction: null,\n poster: null,\n preload: null,\n readOnly: boolean,\n referrerPolicy: null,\n rel: spaceSeparated,\n required: boolean,\n reversed: boolean,\n rows: number,\n rowSpan: number,\n sandbox: spaceSeparated,\n scope: null,\n scoped: boolean,\n seamless: boolean,\n selected: boolean,\n shadowRootClonable: boolean,\n shadowRootDelegatesFocus: boolean,\n shadowRootMode: null,\n shape: null,\n size: number,\n sizes: null,\n slot: null,\n span: number,\n spellCheck: booleanish,\n src: null,\n srcDoc: null,\n srcLang: null,\n srcSet: null,\n start: number,\n step: null,\n style: null,\n tabIndex: number,\n target: null,\n title: null,\n translate: null,\n type: null,\n typeMustMatch: boolean,\n useMap: null,\n value: booleanish,\n width: number,\n wrap: null,\n writingSuggestions: null,\n\n // Legacy.\n // See: https://html.spec.whatwg.org/#other-elements,-attributes-and-apis\n align: null, // Several. Use CSS `text-align` instead,\n aLink: null, // ``. Use CSS `a:active {color}` instead\n archive: spaceSeparated, // `