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strict';\n\nvar hasOwn = Object.prototype.hasOwnProperty;\nvar toStr = Object.prototype.toString;\nvar defineProperty = Object.defineProperty;\nvar gOPD = Object.getOwnPropertyDescriptor;\n\nvar isArray = function isArray(arr) {\n\tif (typeof Array.isArray === 'function') {\n\t\treturn Array.isArray(arr);\n\t}\n\n\treturn toStr.call(arr) === '[object Array]';\n};\n\nvar isPlainObject = function isPlainObject(obj) {\n\tif (!obj || toStr.call(obj) !== '[object Object]') {\n\t\treturn false;\n\t}\n\n\tvar hasOwnConstructor = hasOwn.call(obj, 'constructor');\n\tvar hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, 'isPrototypeOf');\n\t// Not own constructor property must be Object\n\tif (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {\n\t\treturn false;\n\t}\n\n\t// Own properties are enumerated firstly, so to speed up,\n\t// if last one is own, then all properties are own.\n\tvar key;\n\tfor (key in obj) { /**/ }\n\n\treturn typeof key === 'undefined' || hasOwn.call(obj, key);\n};\n\n// If name is '__proto__', and Object.defineProperty is available, define __proto__ as an own property on target\nvar setProperty = function setProperty(target, options) {\n\tif (defineProperty && options.name === '__proto__') {\n\t\tdefineProperty(target, options.name, {\n\t\t\tenumerable: true,\n\t\t\tconfigurable: true,\n\t\t\tvalue: options.newValue,\n\t\t\twritable: true\n\t\t});\n\t} else {\n\t\ttarget[options.name] = options.newValue;\n\t}\n};\n\n// Return undefined instead of __proto__ if '__proto__' is not an own property\nvar getProperty = function getProperty(obj, name) {\n\tif (name === '__proto__') {\n\t\tif (!hasOwn.call(obj, name)) {\n\t\t\treturn void 0;\n\t\t} else if (gOPD) {\n\t\t\t// In early versions of node, obj['__proto__'] is buggy when obj has\n\t\t\t// __proto__ as an own property. 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src : [];\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tclone = src && isPlainObject(src) ? src : {};\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Never move original objects, clone them\n\t\t\t\t\t\tsetProperty(target, { name: name, newValue: extend(deep, clone, copy) });\n\n\t\t\t\t\t// Don't bring in undefined values\n\t\t\t\t\t} else if (typeof copy !== 'undefined') {\n\t\t\t\t\t\tsetProperty(target, { name: name, newValue: copy });\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Return the modified object\n\treturn target;\n};\n","/// \n\n/* eslint-env browser */\n\nconst element = document.createElement('i')\n\n/**\n * @param {string} value\n * @returns {string|false}\n */\nexport function decodeNamedCharacterReference(value) {\n const characterReference = '&' + value + ';'\n element.innerHTML = characterReference\n const char = element.textContent\n\n // Some named character references do not require the closing semicolon\n // (`¬`, for instance), which leads to situations where parsing the assumed\n // named reference of `¬it;` will result in the string `¬it;`.\n // When we encounter a trailing semicolon after parsing, and the character\n // reference to decode was not a semicolon (`;`), we can assume that the\n // matching was not complete.\n // @ts-expect-error: TypeScript is wrong that `textContent` on elements can\n // yield `null`.\n if (char.charCodeAt(char.length - 1) === 59 /* `;` */ && value !== 'semi') {\n return false\n }\n\n // If the decoded string is equal to the input, the character reference was\n // not valid.\n // @ts-expect-error: TypeScript is wrong that `textContent` on elements can\n // yield `null`.\n return char === characterReference ? false : char\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 blankLine = {\n tokenize: tokenizeBlankLine,\n partial: true\n}\n\n/**\n * @this {TokenizeContext}\n * @type {Tokenizer}\n */\nfunction tokenizeBlankLine(effects, ok, nok) {\n return start\n\n /**\n * Start of blank line.\n *\n * > 👉 **Note**: `␠` represents a space character.\n *\n * ```markdown\n * > | ␠␠␊\n * ^\n * > | ␊\n * ^\n * ```\n *\n * @type {State}\n */\n function start(code) {\n return markdownSpace(code)\n ? factorySpace(effects, after, 'linePrefix')(code)\n : after(code)\n }\n\n /**\n * At eof/eol, after optional whitespace.\n *\n * > 👉 **Note**: `␠` represents a space character.\n *\n * ```markdown\n * > | ␠␠␊\n * ^\n * > | ␊\n * ^\n * ```\n *\n * @type {State}\n */\n function after(code) {\n return code === null || markdownLineEnding(code) ? ok(code) : nok(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').TokenType} TokenType\n */\n\nimport {markdownSpace} from 'micromark-util-character'\n\n// To do: implement `spaceOrTab`, `spaceOrTabMinMax`, `spaceOrTabWithOptions`.\n\n/**\n * Parse spaces and tabs.\n *\n * There is no `nok` parameter:\n *\n * * spaces in markdown are often optional, in which case this factory can be\n * used and `ok` will be switched to whether spaces were found or not\n * * one line ending or space can be detected with `markdownSpace(code)` right\n * before using `factorySpace`\n *\n * ###### Examples\n *\n * Where `␉` represents a tab (plus how much it expands) and `␠` represents a\n * single space.\n *\n * ```markdown\n * ␉\n * ␠␠␠␠\n * ␉␠\n * ```\n *\n * @param {Effects} effects\n * Context.\n * @param {State} ok\n * State switched to when successful.\n * @param {TokenType} type\n * Type (`' \\t'`).\n * @param {number | undefined} [max=Infinity]\n * Max (exclusive).\n * @returns\n * Start state.\n */\nexport function factorySpace(effects, ok, type, max) {\n const limit = max ? max - 1 : Number.POSITIVE_INFINITY\n let size = 0\n return start\n\n /** @type {State} */\n function start(code) {\n if (markdownSpace(code)) {\n effects.enter(type)\n return prefix(code)\n }\n return ok(code)\n }\n\n /** @type {State} */\n function prefix(code) {\n if (markdownSpace(code) && size++ < limit) {\n effects.consume(code)\n return prefix\n }\n effects.exit(type)\n return ok(code)\n }\n}\n","// This module is generated by `script/`.\n//\n// CommonMark handles attention (emphasis, strong) markers based on what comes\n// before or after them.\n// One such difference is if those characters are Unicode punctuation.\n// This script is generated from the Unicode data.\n\n/**\n * Regular expression that matches a unicode punctuation character.\n */\nexport const unicodePunctuationRegex =\n /[!-\\/:-@\\[-`\\{-~\\xA1\\xA7\\xAB\\xB6\\xB7\\xBB\\xBF\\u037E\\u0387\\u055A-\\u055F\\u0589\\u058A\\u05BE\\u05C0\\u05C3\\u05C6\\u05F3\\u05F4\\u0609\\u060A\\u060C\\u060D\\u061B\\u061D-\\u061F\\u066A-\\u066D\\u06D4\\u0700-\\u070D\\u07F7-\\u07F9\\u0830-\\u083E\\u085E\\u0964\\u0965\\u0970\\u09FD\\u0A76\\u0AF0\\u0C77\\u0C84\\u0DF4\\u0E4F\\u0E5A\\u0E5B\\u0F04-\\u0F12\\u0F14\\u0F3A-\\u0F3D\\u0F85\\u0FD0-\\u0FD4\\u0FD9\\u0FDA\\u104A-\\u104F\\u10FB\\u1360-\\u1368\\u1400\\u166E\\u169B\\u169C\\u16EB-\\u16ED\\u1735\\u1736\\u17D4-\\u17D6\\u17D8-\\u17DA\\u1800-\\u180A\\u1944\\u1945\\u1A1E\\u1A1F\\u1AA0-\\u1AA6\\u1AA8-\\u1AAD\\u1B5A-\\u1B60\\u1B7D\\u1B7E\\u1BFC-\\u1BFF\\u1C3B-\\u1C3F\\u1C7E\\u1C7F\\u1CC0-\\u1CC7\\u1CD3\\u2010-\\u2027\\u2030-\\u2043\\u2045-\\u2051\\u2053-\\u205E\\u207D\\u207E\\u208D\\u208E\\u2308-\\u230B\\u2329\\u232A\\u2768-\\u2775\\u27C5\\u27C6\\u27E6-\\u27EF\\u2983-\\u2998\\u29D8-\\u29DB\\u29FC\\u29FD\\u2CF9-\\u2CFC\\u2CFE\\u2CFF\\u2D70\\u2E00-\\u2E2E\\u2E30-\\u2E4F\\u2E52-\\u2E5D\\u3001-\\u3003\\u3008-\\u3011\\u3014-\\u301F\\u3030\\u303D\\u30A0\\u30FB\\uA4FE\\uA4FF\\uA60D-\\uA60F\\uA673\\uA67E\\uA6F2-\\uA6F7\\uA874-\\uA877\\uA8CE\\uA8CF\\uA8F8-\\uA8FA\\uA8FC\\uA92E\\uA92F\\uA95F\\uA9C1-\\uA9CD\\uA9DE\\uA9DF\\uAA5C-\\uAA5F\\uAADE\\uAADF\\uAAF0\\uAAF1\\uABEB\\uFD3E\\uFD3F\\uFE10-\\uFE19\\uFE30-\\uFE52\\uFE54-\\uFE61\\uFE63\\uFE68\\uFE6A\\uFE6B\\uFF01-\\uFF03\\uFF05-\\uFF0A\\uFF0C-\\uFF0F\\uFF1A\\uFF1B\\uFF1F\\uFF20\\uFF3B-\\uFF3D\\uFF3F\\uFF5B\\uFF5D\\uFF5F-\\uFF65]/\n","/**\n * @typedef {import('micromark-util-types').Code} Code\n */\n\nimport {unicodePunctuationRegex} from './lib/unicode-punctuation-regex.js'\n\n/**\n * Check whether the character code represents an ASCII alpha (`a` through `z`,\n * case insensitive).\n *\n * An **ASCII alpha** is an ASCII upper alpha or ASCII lower alpha.\n *\n * An **ASCII upper alpha** is a character in the inclusive range U+0041 (`A`)\n * to U+005A (`Z`).\n *\n * An **ASCII lower alpha** is a character in the inclusive range U+0061 (`a`)\n * to U+007A (`z`).\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const asciiAlpha = regexCheck(/[A-Za-z]/)\n\n/**\n * Check whether the character code represents an ASCII alphanumeric (`a`\n * through `z`, case insensitive, or `0` through `9`).\n *\n * An **ASCII alphanumeric** is an ASCII digit (see `asciiDigit`) or ASCII alpha\n * (see `asciiAlpha`).\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const asciiAlphanumeric = regexCheck(/[\\dA-Za-z]/)\n\n/**\n * Check whether the character code represents an ASCII atext.\n *\n * atext is an ASCII alphanumeric (see `asciiAlphanumeric`), or a character in\n * the inclusive ranges U+0023 NUMBER SIGN (`#`) to U+0027 APOSTROPHE (`'`),\n * U+002A ASTERISK (`*`), U+002B PLUS SIGN (`+`), U+002D DASH (`-`), U+002F\n * SLASH (`/`), U+003D EQUALS TO (`=`), U+003F QUESTION MARK (`?`), U+005E\n * CARET (`^`) to U+0060 GRAVE ACCENT (`` ` ``), or U+007B LEFT CURLY BRACE\n * (`{`) to U+007E TILDE (`~`).\n *\n * See:\n * **\\[RFC5322]**:\n * [Internet Message Format](https://tools.ietf.org/html/rfc5322).\n * P. Resnick.\n * IETF.\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const asciiAtext = regexCheck(/[#-'*+\\--9=?A-Z^-~]/)\n\n/**\n * Check whether a character code is an ASCII control character.\n *\n * An **ASCII control** is a character in the inclusive range U+0000 NULL (NUL)\n * to U+001F (US), or U+007F (DEL).\n *\n * @param {Code} code\n * Code.\n * @returns {boolean}\n * Whether it matches.\n */\nexport function asciiControl(code) {\n return (\n // Special whitespace codes (which have negative values), C0 and Control\n // character DEL\n code !== null && (code < 32 || code === 127)\n )\n}\n\n/**\n * Check whether the character code represents an ASCII digit (`0` through `9`).\n *\n * An **ASCII digit** is a character in the inclusive range U+0030 (`0`) to\n * U+0039 (`9`).\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const asciiDigit = regexCheck(/\\d/)\n\n/**\n * Check whether the character code represents an ASCII hex digit (`a` through\n * `f`, case insensitive, or `0` through `9`).\n *\n * An **ASCII hex digit** is an ASCII digit (see `asciiDigit`), ASCII upper hex\n * digit, or an ASCII lower hex digit.\n *\n * An **ASCII upper hex digit** is a character in the inclusive range U+0041\n * (`A`) to U+0046 (`F`).\n *\n * An **ASCII lower hex digit** is a character in the inclusive range U+0061\n * (`a`) to U+0066 (`f`).\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const asciiHexDigit = regexCheck(/[\\dA-Fa-f]/)\n\n/**\n * Check whether the character code represents ASCII punctuation.\n *\n * An **ASCII punctuation** is a character in the inclusive ranges U+0021\n * EXCLAMATION MARK (`!`) to U+002F SLASH (`/`), U+003A COLON (`:`) to U+0040 AT\n * SIGN (`@`), U+005B LEFT SQUARE BRACKET (`[`) to U+0060 GRAVE ACCENT\n * (`` ` ``), or U+007B LEFT CURLY BRACE (`{`) to U+007E TILDE (`~`).\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const asciiPunctuation = regexCheck(/[!-/:-@[-`{-~]/)\n\n/**\n * Check whether a character code is a markdown line ending.\n *\n * A **markdown line ending** is the virtual characters M-0003 CARRIAGE RETURN\n * LINE FEED (CRLF), M-0004 LINE FEED (LF) and M-0005 CARRIAGE RETURN (CR).\n *\n * In micromark, the actual character U+000A LINE FEED (LF) and U+000D CARRIAGE\n * RETURN (CR) are replaced by these virtual characters depending on whether\n * they occurred together.\n *\n * @param {Code} code\n * Code.\n * @returns {boolean}\n * Whether it matches.\n */\nexport function markdownLineEnding(code) {\n return code !== null && code < -2\n}\n\n/**\n * Check whether a character code is a markdown line ending (see\n * `markdownLineEnding`) or markdown space (see `markdownSpace`).\n *\n * @param {Code} code\n * Code.\n * @returns {boolean}\n * Whether it matches.\n */\nexport function markdownLineEndingOrSpace(code) {\n return code !== null && (code < 0 || code === 32)\n}\n\n/**\n * Check whether a character code is a markdown space.\n *\n * A **markdown space** is the concrete character U+0020 SPACE (SP) and the\n * virtual characters M-0001 VIRTUAL SPACE (VS) and M-0002 HORIZONTAL TAB (HT).\n *\n * In micromark, the actual character U+0009 CHARACTER TABULATION (HT) is\n * replaced by one M-0002 HORIZONTAL TAB (HT) and between 0 and 3 M-0001 VIRTUAL\n * SPACE (VS) characters, depending on the column at which the tab occurred.\n *\n * @param {Code} code\n * Code.\n * @returns {boolean}\n * Whether it matches.\n */\nexport function markdownSpace(code) {\n return code === -2 || code === -1 || code === 32\n}\n\n// Size note: removing ASCII from the regex and using `asciiPunctuation` here\n// In fact adds to the bundle size.\n/**\n * Check whether the character code represents Unicode punctuation.\n *\n * A **Unicode punctuation** is a character in the Unicode `Pc` (Punctuation,\n * Connector), `Pd` (Punctuation, Dash), `Pe` (Punctuation, Close), `Pf`\n * (Punctuation, Final quote), `Pi` (Punctuation, Initial quote), `Po`\n * (Punctuation, Other), or `Ps` (Punctuation, Open) categories, or an ASCII\n * punctuation (see `asciiPunctuation`).\n *\n * See:\n * **\\[UNICODE]**:\n * [The Unicode Standard](https://www.unicode.org/versions/).\n * Unicode Consortium.\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const unicodePunctuation = regexCheck(unicodePunctuationRegex)\n\n/**\n * Check whether the character code represents Unicode whitespace.\n *\n * Note that this does handle micromark specific markdown whitespace characters.\n * See `markdownLineEndingOrSpace` to check that.\n *\n * A **Unicode whitespace** is a character in the Unicode `Zs` (Separator,\n * Space) category, or U+0009 CHARACTER TABULATION (HT), U+000A LINE FEED (LF),\n * U+000C (FF), or U+000D CARRIAGE RETURN (CR) (**\\[UNICODE]**).\n *\n * See:\n * **\\[UNICODE]**:\n * [The Unicode Standard](https://www.unicode.org/versions/).\n * Unicode Consortium.\n *\n * @param code\n * Code.\n * @returns\n * Whether it matches.\n */\nexport const unicodeWhitespace = regexCheck(/\\s/)\n\n/**\n * Create a code check from a regex.\n *\n * @param {RegExp} regex\n * @returns {(code: Code) => boolean}\n */\nfunction regexCheck(regex) {\n return check\n\n /**\n * Check whether a code matches the bound regex.\n *\n * @param {Code} code\n * Character code.\n * @returns {boolean}\n * Whether the character code matches the bound regex.\n */\n function check(code) {\n return code !== null && regex.test(String.fromCharCode(code))\n }\n}\n","/**\n * Like `Array#splice`, but smarter for giant arrays.\n *\n * `Array#splice` takes all items to be inserted as individual argument which\n * causes a stack overflow in V8 when trying to insert 100k items for instance.\n *\n * Otherwise, this does not return the removed items, and takes `items` as an\n * array instead of rest parameters.\n *\n * @template {unknown} T\n * Item type.\n * @param {Array} list\n * List to operate on.\n * @param {number} start\n * Index to remove/insert at (can be negative).\n * @param {number} remove\n * Number of items to remove.\n * @param {Array} items\n * Items to inject into `list`.\n * @returns {void}\n * Nothing.\n */\nexport function splice(list, start, remove, items) {\n const end = list.length\n let chunkStart = 0\n /** @type {Array} */\n let parameters\n\n // Make start between zero and `end` (included).\n if (start < 0) {\n start = -start > end ? 0 : end + start\n } else {\n start = start > end ? end : start\n }\n remove = remove > 0 ? remove : 0\n\n // No need to chunk the items if there’s only a couple (10k) items.\n if (items.length < 10000) {\n parameters = Array.from(items)\n parameters.unshift(start, remove)\n // @ts-expect-error Hush, it’s fine.\n list.splice(...parameters)\n } else {\n // Delete `remove` items starting from `start`\n if (remove) list.splice(start, remove)\n\n // Insert the items in chunks to not cause stack overflows.\n while (chunkStart < items.length) {\n parameters = items.slice(chunkStart, chunkStart + 10000)\n parameters.unshift(start, 0)\n // @ts-expect-error Hush, it’s fine.\n list.splice(...parameters)\n chunkStart += 10000\n start += 10000\n }\n }\n}\n\n/**\n * Append `items` (an array) at the end of `list` (another array).\n * When `list` was empty, returns `items` instead.\n *\n * This prevents a potentially expensive operation when `list` is empty,\n * and adds items in batches to prevent V8 from hanging.\n *\n * @template {unknown} T\n * Item type.\n * @param {Array} list\n * List to operate on.\n * @param {Array} items\n * Items to add to `list`.\n * @returns {Array}\n * Either `list` or `items`.\n */\nexport function push(list, items) {\n if (list.length > 0) {\n splice(list, list.length, 0, items)\n return list\n }\n return items\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').Extension} Extension\n * @typedef {import('micromark-util-types').Handles} Handles\n * @typedef {import('micromark-util-types').HtmlExtension} HtmlExtension\n * @typedef {import('micromark-util-types').NormalizedExtension} NormalizedExtension\n */\n\nimport {splice} from 'micromark-util-chunked'\n\nconst hasOwnProperty = {}.hasOwnProperty\n\n/**\n * Combine multiple syntax extensions into one.\n *\n * @param {Array} extensions\n * List of syntax extensions.\n * @returns {NormalizedExtension}\n * A single combined extension.\n */\nexport function combineExtensions(extensions) {\n /** @type {NormalizedExtension} */\n const all = {}\n let index = -1\n\n while (++index < extensions.length) {\n syntaxExtension(all, extensions[index])\n }\n\n return all\n}\n\n/**\n * Merge `extension` into `all`.\n *\n * @param {NormalizedExtension} all\n * Extension to merge into.\n * @param {Extension} extension\n * Extension to merge.\n * @returns {void}\n */\nfunction syntaxExtension(all, extension) {\n /** @type {keyof Extension} */\n let hook\n\n for (hook in extension) {\n const maybe = hasOwnProperty.call(all, hook) ? all[hook] : undefined\n /** @type {Record} */\n const left = maybe || (all[hook] = {})\n /** @type {Record | undefined} */\n const right = extension[hook]\n /** @type {string} */\n let code\n\n if (right) {\n for (code in right) {\n if (!hasOwnProperty.call(left, code)) left[code] = []\n const value = right[code]\n constructs(\n // @ts-expect-error Looks like a list.\n left[code],\n Array.isArray(value) ? value : value ? [value] : []\n )\n }\n }\n }\n}\n\n/**\n * Merge `list` into `existing` (both lists of constructs).\n * Mutates `existing`.\n *\n * @param {Array} existing\n * @param {Array} list\n * @returns {void}\n */\nfunction constructs(existing, list) {\n let index = -1\n /** @type {Array} */\n const before = []\n\n while (++index < list.length) {\n // @ts-expect-error Looks like an object.\n ;(list[index].add === 'after' ? existing : before).push(list[index])\n }\n\n splice(existing, 0, 0, before)\n}\n\n/**\n * Combine multiple HTML extensions into one.\n *\n * @param {Array} htmlExtensions\n * List of HTML extensions.\n * @returns {HtmlExtension}\n * A single combined HTML extension.\n */\nexport function combineHtmlExtensions(htmlExtensions) {\n /** @type {HtmlExtension} */\n const handlers = {}\n let index = -1\n\n while (++index < htmlExtensions.length) {\n htmlExtension(handlers, htmlExtensions[index])\n }\n\n return handlers\n}\n\n/**\n * Merge `extension` into `all`.\n *\n * @param {HtmlExtension} all\n * Extension to merge into.\n * @param {HtmlExtension} extension\n * Extension to merge.\n * @returns {void}\n */\nfunction htmlExtension(all, extension) {\n /** @type {keyof HtmlExtension} */\n let hook\n\n for (hook in extension) {\n const maybe = hasOwnProperty.call(all, hook) ? all[hook] : undefined\n const left = maybe || (all[hook] = {})\n const right = extension[hook]\n /** @type {keyof Handles} */\n let type\n\n if (right) {\n for (type in right) {\n // @ts-expect-error assume document vs regular handler are managed correctly.\n left[type] = right[type]\n }\n }\n }\n}\n","/**\n * Turn the number (in string form as either hexa- or plain decimal) coming from\n * a numeric character reference into a character.\n *\n * Sort of like `String.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 * 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').Event} Event\n * @typedef {import('micromark-util-types').Resolver} Resolver\n * @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext\n */\n\n/**\n * Call all `resolveAll`s.\n *\n * @param {Array<{resolveAll?: Resolver | undefined}>} constructs\n * List of constructs, optionally with `resolveAll`s.\n * @param {Array} events\n * List of events.\n * @param {TokenizeContext} context\n * Context used by `tokenize`.\n * @returns {Array}\n * Changed events.\n */\nexport function resolveAll(constructs, events, context) {\n /** @type {Array} */\n const called = []\n let index = -1\n\n while (++index < constructs.length) {\n const resolve = constructs[index].resolveAll\n\n if (resolve && !called.includes(resolve)) {\n events = resolve(events, context)\n called.push(resolve)\n }\n }\n\n return events\n}\n","/**\n * Parse space-separated tokens to an array of strings.\n *\n * @param {string} value\n * Space-separated tokens.\n * @returns {Array}\n * List of tokens.\n */\nexport function parse(value) {\n const input = String(value || '').trim()\n return input ? input.split(/[ \\t\\n\\r\\f]+/g) : []\n}\n\n/**\n * Serialize an array of strings as space separated-tokens.\n *\n * @param {Array} values\n * List of tokens.\n * @returns {string}\n * Space-separated tokens.\n */\nexport function stringify(values) {\n return values.join(' ').trim()\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 * @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"],"names":["hasOwn","Object","prototype","hasOwnProperty","toStr","toString","defineProperty","gOPD","getOwnPropertyDescriptor","isArray","arr","Array","call","isPlainObject","obj","key","hasOwnConstructor","hasIsPrototypeOf","constructor","setProperty","target","options","name","enumerable","configurable","value","newValue","writable","getProperty","module","exports","extend","src","copy","copyIsArray","clone","arguments","i","length","deep","element","document","createElement","decodeNamedCharacterReference","characterReference","innerHTML","char","textContent","charCodeAt","blankLine","tokenize","effects","ok","nok","code","after","partial","factorySpace","type","max","limit","Number","POSITIVE_INFINITY","size","enter","prefix","consume","exit","asciiAlpha","regexCheck","asciiAlphanumeric","asciiAtext","asciiControl","asciiDigit","asciiHexDigit","asciiPunctuation","markdownLineEnding","markdownLineEndingOrSpace","markdownSpace","unicodePunctuation","unicodeWhitespace","regex","test","String","fromCharCode","splice","list","start","remove","items","end","parameters","chunkStart","from","unshift","slice","push","classifyCharacter","combineExtensions","extensions","all","index","syntaxExtension","extension","hook","left","undefined","right","constructs","existing","before","add","decodeNumericCharacterReference","base","parseInt","characterEscapeOrReference","decodeString","replace","decode","$0","$1","$2","head","hex","normalizeIdentifier","toLowerCase","toUpperCase","resolveAll","events","context","called","resolve","includes","parse","input","trim","split","stringify","values","join","convert","check","castFactory","node","typeFactory","tests","checks","any","this","anyFactory","propsFactory","Error","Boolean","CONTINUE","EXIT","SKIP","visitParents","tree","visitor","reverse","is","step","factory","parents","tagName","visit","subresult","offset","grandparents","result","toResult","children","concat","parent","indexOf"],"sourceRoot":""}