NeahNew/.next/server/vendor-chunks/html-to-text.js

"use strict";
/*
 * ATTENTION: An "eval-source-map" devtool has been used.
 * This devtool is neither made for production nor for readable output files.
 * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
 * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
 * or disable the default devtool with "devtool: false".
 * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
 */
exports.id = "vendor-chunks/html-to-text";
exports.ids = ["vendor-chunks/html-to-text"];
exports.modules = {

/***/ "(action-browser)/./node_modules/html-to-text/lib/html-to-text.cjs":
/*!********************************************************!*\
  !*** ./node_modules/html-to-text/lib/html-to-text.cjs ***!
  \********************************************************/
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

eval("\n\nObject.defineProperty(exports, \"__esModule\", ({ value: true }));\n\nvar pluginHtmlparser2 = __webpack_require__(/*! @selderee/plugin-htmlparser2 */ \"(action-browser)/./node_modules/@selderee/plugin-htmlparser2/lib/hp2-builder.cjs\");\nvar htmlparser2 = __webpack_require__(/*! htmlparser2 */ \"(action-browser)/./node_modules/htmlparser2/lib/index.js\");\nvar selderee = __webpack_require__(/*! selderee */ \"(action-browser)/./node_modules/selderee/lib/selderee.cjs\");\nvar merge = __webpack_require__(/*! deepmerge */ \"(action-browser)/./node_modules/deepmerge/dist/cjs.js\");\nvar domSerializer = __webpack_require__(/*! dom-serializer */ \"(action-browser)/./node_modules/dom-serializer/lib/index.js\");\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar merge__default = /*#__PURE__*/_interopDefaultLegacy(merge);\n\n/**\n * Make a recursive function that will only run to a given depth\n * and switches to an alternative function at that depth. \\\n * No limitation if `n` is `undefined` (Just wraps `f` in that case).\n *\n * @param   { number | undefined } n   Allowed depth of recursion. `undefined` for no limitation.\n * @param   { Function }           f   Function that accepts recursive callback as the first argument.\n * @param   { Function }           [g] Function to run instead, when maximum depth was reached. Do nothing by default.\n * @returns { Function }\n */\nfunction limitedDepthRecursive (n, f, g = () => undefined) {\n  if (n === undefined) {\n    const f1 = function (...args) { return f(f1, ...args); };\n    return f1;\n  }\n  if (n >= 0) {\n    return function (...args) { return f(limitedDepthRecursive(n - 1, f, g), ...args); };\n  }\n  return g;\n}\n\n/**\n * Return the same string or a substring with\n * the given character occurrences removed from each side.\n *\n * @param   { string } str  A string to trim.\n * @param   { string } char A character to be trimmed.\n * @returns { string }\n */\nfunction trimCharacter (str, char) {\n  let start = 0;\n  let end = str.length;\n  while (start < end && str[start] === char) { ++start; }\n  while (end > start && str[end - 1] === char) { --end; }\n  return (start > 0 || end < str.length)\n    ? str.substring(start, end)\n    : str;\n}\n\n/**\n * Return the same string or a substring with\n * the given character occurrences removed from the end only.\n *\n * @param   { string } str  A string to trim.\n * @param   { string } char A character to be trimmed.\n * @returns { string }\n */\nfunction trimCharacterEnd (str, char) {\n  let end = str.length;\n  while (end > 0 && str[end - 1] === char) { --end; }\n  return (end < str.length)\n    ? str.substring(0, end)\n    : str;\n}\n\n/**\n * Return a new string will all characters replaced with unicode escape sequences.\n * This extreme kind of escaping can used to be safely compose regular expressions.\n *\n * @param { string } str A string to escape.\n * @returns { string } A string of unicode escape sequences.\n */\nfunction unicodeEscape (str) {\n  return str.replace(/[\\s\\S]/g, c => '\\\\u' + c.charCodeAt().toString(16).padStart(4, '0'));\n}\n\n/**\n * Deduplicate an array by a given key callback.\n * Item properties are merged recursively and with the preference for last defined values.\n * Of items with the same key, merged item takes the place of the last item,\n * others are omitted.\n *\n * @param { any[] } items An array to deduplicate.\n * @param { (x: any) => string } getKey Callback to get a value that distinguishes unique items.\n * @returns { any[] }\n */\nfunction mergeDuplicatesPreferLast (items, getKey) {\n  const map = new Map();\n  for (let i = items.length; i-- > 0;) {\n    const item = items[i];\n    const key = getKey(item);\n    map.set(\n      key,\n      (map.has(key))\n        ? merge__default[\"default\"](item, map.get(key), { arrayMerge: overwriteMerge$1 })\n        : item\n    );\n  }\n  return [...map.values()].reverse();\n}\n\nconst overwriteMerge$1 = (acc, src, options) => [...src];\n\n/**\n * Get a nested property from an object.\n *\n * @param   { object }   obj  The object to query for the value.\n * @param   { string[] } path The path to the property.\n * @returns { any }\n */\nfunction get (obj, path) {\n  for (const key of path) {\n    if (!obj) { return undefined; }\n    obj = obj[key];\n  }\n  return obj;\n}\n\n/**\n * Convert a number into alphabetic sequence representation (Sequence without zeroes).\n *\n * For example: `a, ..., z, aa, ..., zz, aaa, ...`.\n *\n * @param   { number } num              Number to convert. Must be >= 1.\n * @param   { string } [baseChar = 'a'] Character for 1 in the sequence.\n * @param   { number } [base = 26]      Number of characters in the sequence.\n * @returns { string }\n */\nfunction numberToLetterSequence (num, baseChar = 'a', base = 26) {\n  const digits = [];\n  do {\n    num -= 1;\n    digits.push(num % base);\n    num = (num / base) >> 0; // quick `floor`\n  } while (num > 0);\n  const baseCode = baseChar.charCodeAt(0);\n  return digits\n    .reverse()\n    .map(n => String.fromCharCode(baseCode + n))\n    .join('');\n}\n\nconst I = ['I', 'X', 'C', 'M'];\nconst V = ['V', 'L', 'D'];\n\n/**\n * Convert a number to it's Roman representation. No large numbers extension.\n *\n * @param   { number } num Number to convert. `0 < num <= 3999`.\n * @returns { string }\n */\nfunction numberToRoman (num) {\n  return [...(num) + '']\n    .map(n => +n)\n    .reverse()\n    .map((v, i) => ((v % 5 < 4)\n      ? (v < 5 ? '' : V[i]) + I[i].repeat(v % 5)\n      : I[i] + (v < 5 ? V[i] : I[i + 1])))\n    .reverse()\n    .join('');\n}\n\n/**\n * Helps to build text from words.\n */\nclass InlineTextBuilder {\n  /**\n   * Creates an instance of InlineTextBuilder.\n   *\n   * If `maxLineLength` is not provided then it is either `options.wordwrap` or unlimited.\n   *\n   * @param { Options } options           HtmlToText options.\n   * @param { number }  [ maxLineLength ] This builder will try to wrap text to fit this line length.\n   */\n  constructor (options, maxLineLength = undefined) {\n    /** @type { string[][] } */\n    this.lines = [];\n    /** @type { string[] }   */\n    this.nextLineWords = [];\n    this.maxLineLength = maxLineLength || options.wordwrap || Number.MAX_VALUE;\n    this.nextLineAvailableChars = this.maxLineLength;\n    this.wrapCharacters = get(options, ['longWordSplit', 'wrapCharacters']) || [];\n    this.forceWrapOnLimit = get(options, ['longWordSplit', 'forceWrapOnLimit']) || false;\n\n    this.stashedSpace = false;\n    this.wordBreakOpportunity = false;\n  }\n\n  /**\n   * Add a new word.\n   *\n   * @param { string } word A word to add.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  pushWord (word, noWrap = false) {\n    if (this.nextLineAvailableChars <= 0 && !noWrap) {\n      this.startNewLine();\n    }\n    const isLineStart = this.nextLineWords.length === 0;\n    const cost = word.length + (isLineStart ? 0 : 1);\n    if ((cost <= this.nextLineAvailableChars) || noWrap) { // Fits into available budget\n\n      this.nextLineWords.push(word);\n      this.nextLineAvailableChars -= cost;\n\n    } else { // Does not fit - try to split the word\n\n      // The word is moved to a new line - prefer to wrap between words.\n      const [first, ...rest] = this.splitLongWord(word);\n      if (!isLineStart) { this.startNewLine(); }\n      this.nextLineWords.push(first);\n      this.nextLineAvailableChars -= first.length;\n      for (const part of rest) {\n        this.startNewLine();\n        this.nextLineWords.push(part);\n        this.nextLineAvailableChars -= part.length;\n      }\n\n    }\n  }\n\n  /**\n   * Pop a word from the currently built line.\n   * This doesn't affect completed lines.\n   *\n   * @returns { string }\n   */\n  popWord () {\n    const lastWord = this.nextLineWords.pop();\n    if (lastWord !== undefined) {\n      const isLineStart = this.nextLineWords.length === 0;\n      const cost = lastWord.length + (isLineStart ? 0 : 1);\n      this.nextLineAvailableChars += cost;\n    }\n    return lastWord;\n  }\n\n  /**\n   * Concat a word to the last word already in the builder.\n   * Adds a new word in case there are no words yet in the last line.\n   *\n   * @param { string } word A word to be concatenated.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  concatWord (word, noWrap = false) {\n    if (this.wordBreakOpportunity && word.length > this.nextLineAvailableChars) {\n      this.pushWord(word, noWrap);\n      this.wordBreakOpportunity = false;\n    } else {\n      const lastWord = this.popWord();\n      this.pushWord((lastWord) ? lastWord.concat(word) : word, noWrap);\n    }\n  }\n\n  /**\n   * Add current line (and more empty lines if provided argument > 1) to the list of complete lines and start a new one.\n   *\n   * @param { number } n Number of line breaks that will be added to the resulting string.\n   */\n  startNewLine (n = 1) {\n    this.lines.push(this.nextLineWords);\n    if (n > 1) {\n      this.lines.push(...Array.from({ length: n - 1 }, () => []));\n    }\n    this.nextLineWords = [];\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * No words in this builder.\n   *\n   * @returns { boolean }\n   */\n  isEmpty () {\n    return this.lines.length === 0\n        && this.nextLineWords.length === 0;\n  }\n\n  clear () {\n    this.lines.length = 0;\n    this.nextLineWords.length = 0;\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * Join all lines of words inside the InlineTextBuilder into a complete string.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return [...this.lines, this.nextLineWords]\n      .map(words => words.join(' '))\n      .join('\\n');\n  }\n\n  /**\n   * Split a long word up to fit within the word wrap limit.\n   * Use either a character to split looking back from the word wrap limit,\n   * or truncate to the word wrap limit.\n   *\n   * @param   { string }   word Input word.\n   * @returns { string[] }      Parts of the word.\n   */\n  splitLongWord (word) {\n    const parts = [];\n    let idx = 0;\n    while (word.length > this.maxLineLength) {\n\n      const firstLine = word.substring(0, this.maxLineLength);\n      const remainingChars = word.substring(this.maxLineLength);\n\n      const splitIndex = firstLine.lastIndexOf(this.wrapCharacters[idx]);\n\n      if (splitIndex > -1) { // Found a character to split on\n\n        word = firstLine.substring(splitIndex + 1) + remainingChars;\n        parts.push(firstLine.substring(0, splitIndex + 1));\n\n      } else { // Not found a character to split on\n\n        idx++;\n        if (idx < this.wrapCharacters.length) { // There is next character to try\n\n          word = firstLine + remainingChars;\n\n        } else { // No more characters to try\n\n          if (this.forceWrapOnLimit) {\n            parts.push(firstLine);\n            word = remainingChars;\n            if (word.length > this.maxLineLength) {\n              continue;\n            }\n          } else {\n            word = firstLine + remainingChars;\n          }\n          break;\n\n        }\n\n      }\n\n    }\n    parts.push(word); // Add remaining part to array\n    return parts;\n  }\n}\n\n/* eslint-disable max-classes-per-file */\n\n\nclass StackItem {\n  constructor (next = null) { this.next = next; }\n\n  getRoot () { return (this.next) ? this.next : this; }\n}\n\nclass BlockStackItem extends StackItem {\n  constructor (options, next = null, leadingLineBreaks = 1, maxLineLength = undefined) {\n    super(next);\n    this.leadingLineBreaks = leadingLineBreaks;\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxLineLength);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass ListStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      interRowLineBreaks = 1,\n      leadingLineBreaks = 2,\n      maxLineLength = undefined,\n      maxPrefixLength = 0,\n      prefixAlign = 'left',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.maxPrefixLength = maxPrefixLength;\n    this.prefixAlign = prefixAlign;\n    this.interRowLineBreaks = interRowLineBreaks;\n  }\n}\n\nclass ListItemStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      leadingLineBreaks = 1,\n      maxLineLength = undefined,\n      prefix = '',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.prefix = prefix;\n  }\n}\n\nclass TableStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.rows = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableRowStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.cells = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableCellStackItem extends StackItem {\n  constructor (options, next = null, maxColumnWidth = undefined) {\n    super(next);\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxColumnWidth);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TransformerStackItem extends StackItem {\n  constructor (next = null, transform) {\n    super(next);\n    this.transform = transform;\n  }\n}\n\nfunction charactersToCodes (str) {\n  return [...str]\n    .map(c => '\\\\u' + c.charCodeAt(0).toString(16).padStart(4, '0'))\n    .join('');\n}\n\n/**\n * Helps to handle HTML whitespaces.\n *\n * @class WhitespaceProcessor\n */\nclass WhitespaceProcessor {\n\n  /**\n   * Creates an instance of WhitespaceProcessor.\n   *\n   * @param { Options } options    HtmlToText options.\n   * @memberof WhitespaceProcessor\n   */\n  constructor (options) {\n    this.whitespaceChars = (options.preserveNewlines)\n      ? options.whitespaceCharacters.replace(/\\n/g, '')\n      : options.whitespaceCharacters;\n    const whitespaceCodes = charactersToCodes(this.whitespaceChars);\n    this.leadingWhitespaceRe = new RegExp(`^[${whitespaceCodes}]`);\n    this.trailingWhitespaceRe = new RegExp(`[${whitespaceCodes}]$`);\n    this.allWhitespaceOrEmptyRe = new RegExp(`^[${whitespaceCodes}]*$`);\n    this.newlineOrNonWhitespaceRe = new RegExp(`(\\\\n|[^\\\\n${whitespaceCodes}])`, 'g');\n    this.newlineOrNonNewlineStringRe = new RegExp(`(\\\\n|[^\\\\n]+)`, 'g');\n\n    if (options.preserveNewlines) {\n\n      const wordOrNewlineRe = new RegExp(`\\\\n|[^\\\\n${whitespaceCodes}]+`, 'gm');\n\n      /**\n       * Shrink whitespaces and wrap text, add to the builder.\n       *\n       * @param { string }                  text              Input text.\n       * @param { InlineTextBuilder }       inlineTextBuilder A builder to receive processed text.\n       * @param { (str: string) => string } [ transform ]     A transform to be applied to words.\n       * @param { boolean }                 [noWrap] Don't wrap text even if the line is too long.\n       */\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordOrNewlineRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (m[0] === '\\n') {\n            inlineTextBuilder.startNewLine();\n          } else if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordOrNewlineRe.exec(text)) !== null) {\n            if (m[0] === '\\n') {\n              inlineTextBuilder.startNewLine();\n            } else {\n              inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n            }\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || (this.testTrailingWhitespace(text));\n        // No need to stash a space in case last added item was a new line,\n        // but that won't affect anything later anyway.\n      };\n\n    } else {\n\n      const wordRe = new RegExp(`[^${whitespaceCodes}]+`, 'g');\n\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordRe.exec(text)) !== null) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || this.testTrailingWhitespace(text);\n      };\n\n    }\n  }\n\n  /**\n   * Add text with only minimal processing.\n   * Everything between newlines considered a single word.\n   * No whitespace is trimmed.\n   * Not affected by preserveNewlines option - `\\n` always starts a new line.\n   *\n   * `noWrap` argument is `true` by default - this won't start a new line\n   * even if there is not enough space left in the current line.\n   *\n   * @param { string }            text              Input text.\n   * @param { InlineTextBuilder } inlineTextBuilder A builder to receive processed text.\n   * @param { boolean }           [noWrap] Don't wrap text even if the line is too long.\n   */\n  addLiteral (text, inlineTextBuilder, noWrap = true) {\n    if (!text) { return; }\n    const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n    let anyMatch = false;\n    let m = this.newlineOrNonNewlineStringRe.exec(text);\n    if (m) {\n      anyMatch = true;\n      if (m[0] === '\\n') {\n        inlineTextBuilder.startNewLine();\n      } else if (previouslyStashedSpace) {\n        inlineTextBuilder.pushWord(m[0], noWrap);\n      } else {\n        inlineTextBuilder.concatWord(m[0], noWrap);\n      }\n      while ((m = this.newlineOrNonNewlineStringRe.exec(text)) !== null) {\n        if (m[0] === '\\n') {\n          inlineTextBuilder.startNewLine();\n        } else {\n          inlineTextBuilder.pushWord(m[0], noWrap);\n        }\n      }\n    }\n    inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch);\n  }\n\n  /**\n   * Test whether the given text starts with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testLeadingWhitespace (text) {\n    return this.leadingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text ends with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testTrailingWhitespace (text) {\n    return this.trailingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text contains any non-whitespace characters.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testContainsWords (text) {\n    return !this.allWhitespaceOrEmptyRe.test(text);\n  }\n\n  /**\n   * Return the number of newlines if there are no words.\n   *\n   * If any word is found then return zero regardless of the actual number of newlines.\n   *\n   * @param   { string }  text  Input string.\n   * @returns { number }\n   */\n  countNewlinesNoWords (text) {\n    this.newlineOrNonWhitespaceRe.lastIndex = 0;\n    let counter = 0;\n    let match;\n    while ((match = this.newlineOrNonWhitespaceRe.exec(text)) !== null) {\n      if (match[0] === '\\n') {\n        counter++;\n      } else {\n        return 0;\n      }\n    }\n    return counter;\n  }\n\n}\n\n/**\n * Helps to build text from inline and block elements.\n *\n * @class BlockTextBuilder\n */\nclass BlockTextBuilder {\n\n  /**\n   * Creates an instance of BlockTextBuilder.\n   *\n   * @param { Options } options HtmlToText options.\n   * @param { import('selderee').Picker<DomNode, TagDefinition> } picker Selectors decision tree picker.\n   * @param { any} [metadata] Optional metadata for HTML document, for use in formatters.\n   */\n  constructor (options, picker, metadata = undefined) {\n    this.options = options;\n    this.picker = picker;\n    this.metadata = metadata;\n    this.whitespaceProcessor = new WhitespaceProcessor(options);\n    /** @type { StackItem } */\n    this._stackItem = new BlockStackItem(options);\n    /** @type { TransformerStackItem } */\n    this._wordTransformer = undefined;\n  }\n\n  /**\n   * Put a word-by-word transform function onto the transformations stack.\n   *\n   * Mainly used for uppercasing. Can be bypassed to add unformatted text such as URLs.\n   *\n   * Word transformations applied before wrapping.\n   *\n   * @param { (str: string) => string } wordTransform Word transformation function.\n   */\n  pushWordTransform (wordTransform) {\n    this._wordTransformer = new TransformerStackItem(this._wordTransformer, wordTransform);\n  }\n\n  /**\n   * Remove a function from the word transformations stack.\n   *\n   * @returns { (str: string) => string } A function that was removed.\n   */\n  popWordTransform () {\n    if (!this._wordTransformer) { return undefined; }\n    const transform = this._wordTransformer.transform;\n    this._wordTransformer = this._wordTransformer.next;\n    return transform;\n  }\n\n  /**\n   * Ignore wordwrap option in followup inline additions and disable automatic wrapping.\n   */\n  startNoWrap () {\n    this._stackItem.isNoWrap = true;\n  }\n\n  /**\n   * Return automatic wrapping to behavior defined by options.\n   */\n  stopNoWrap () {\n    this._stackItem.isNoWrap = false;\n  }\n\n  /** @returns { (str: string) => string } */\n  _getCombinedWordTransformer () {\n    const wt = (this._wordTransformer)\n      ? ((str) => applyTransformer(str, this._wordTransformer))\n      : undefined;\n    const ce = this.options.encodeCharacters;\n    return (wt)\n      ? ((ce) ? (str) => ce(wt(str)) : wt)\n      : ce;\n  }\n\n  _popStackItem () {\n    const item = this._stackItem;\n    this._stackItem = item.next;\n    return item;\n  }\n\n  /**\n   * Add a line break into currently built block.\n   */\n  addLineBreak () {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += '\\n';\n    } else {\n      this._stackItem.inlineTextBuilder.startNewLine();\n    }\n  }\n\n  /**\n   * Allow to break line in case directly following text will not fit.\n   */\n  addWordBreakOpportunity () {\n    if (\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    ) {\n      this._stackItem.inlineTextBuilder.wordBreakOpportunity = true;\n    }\n  }\n\n  /**\n   * Add a node inline into the currently built block.\n   *\n   * @param { string } str\n   * Text content of a node to add.\n   *\n   * @param { object } [param1]\n   * Object holding the parameters of the operation.\n   *\n   * @param { boolean } [param1.noWordTransform]\n   * Ignore word transformers if there are any.\n   * Don't encode characters as well.\n   * (Use this for things like URL addresses).\n   */\n  addInline (str, { noWordTransform = false } = {}) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (\n      str.length === 0 || // empty string\n      (\n        this._stackItem.stashedLineBreaks && // stashed linebreaks make whitespace irrelevant\n        !this.whitespaceProcessor.testContainsWords(str) // no words to add\n      )\n    ) { return; }\n\n    if (this.options.preserveNewlines) {\n      const newlinesNumber = this.whitespaceProcessor.countNewlinesNoWords(str);\n      if (newlinesNumber > 0) {\n        this._stackItem.inlineTextBuilder.startNewLine(newlinesNumber);\n        // keep stashedLineBreaks unchanged\n        return;\n      }\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.shrinkWrapAdd(\n      str,\n      this._stackItem.inlineTextBuilder,\n      (noWordTransform) ? undefined : this._getCombinedWordTransformer(),\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0; // inline text doesn't introduce line breaks\n  }\n\n  /**\n   * Add a string inline into the currently built block.\n   *\n   * Use this for markup elements that don't have to adhere\n   * to text layout rules.\n   *\n   * @param { string } str Text to add.\n   */\n  addLiteral (str) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (str.length === 0) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.addLiteral(\n      str,\n      this._stackItem.inlineTextBuilder,\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0;\n  }\n\n  /**\n   * Start building a new block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any preceding block.\n   *\n   * @param { number }  [param0.reservedLineLength]\n   * Reserve this number of characters on each line for block markup.\n   *\n   * @param { boolean } [param0.isPre]\n   * Should HTML whitespace be preserved inside this block.\n   */\n  openBlock ({ leadingLineBreaks = 1, reservedLineLength = 0, isPre = false } = {}) {\n    const maxLineLength = Math.max(20, this._stackItem.inlineTextBuilder.maxLineLength - reservedLineLength);\n    this._stackItem = new BlockStackItem(\n      this.options,\n      this._stackItem,\n      leadingLineBreaks,\n      maxLineLength\n    );\n    if (isPre) { this._stackItem.isPre = true; }\n  }\n\n  /**\n   * Finalize currently built block, add it's content to the parent block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any following block.\n   *\n   * @param { (str: string) => string } [param0.blockTransform]\n   * A function to transform the block text before adding to the parent block.\n   * This happens after word wrap and should be used in combination with reserved line length\n   * in order to keep line lengths correct.\n   * Used for whole block markup.\n   */\n  closeBlock ({ trailingLineBreaks = 1, blockTransform = undefined } = {}) {\n    const block = this._popStackItem();\n    const blockText = (blockTransform) ? blockTransform(getText(block)) : getText(block);\n    addText(this._stackItem, blockText, block.leadingLineBreaks, Math.max(block.stashedLineBreaks, trailingLineBreaks));\n  }\n\n  /**\n   * Start building a new list.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.maxPrefixLength]\n   * Length of the longest list item prefix.\n   * If not supplied or too small then list items won't be aligned properly.\n   *\n   * @param { 'left' | 'right' } [param0.prefixAlign]\n   * Specify how prefixes of different lengths have to be aligned\n   * within a column.\n   *\n   * @param { number } [param0.interRowLineBreaks]\n   * Minimum number of line breaks between list items.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any preceding block.\n   */\n  openList ({ maxPrefixLength = 0, prefixAlign = 'left', interRowLineBreaks = 1, leadingLineBreaks = 2 } = {}) {\n    this._stackItem = new ListStackItem(this.options, this._stackItem, {\n      interRowLineBreaks: interRowLineBreaks,\n      leadingLineBreaks: leadingLineBreaks,\n      maxLineLength: this._stackItem.inlineTextBuilder.maxLineLength,\n      maxPrefixLength: maxPrefixLength,\n      prefixAlign: prefixAlign\n    });\n  }\n\n  /**\n   * Start building a new list item.\n   *\n   * @param {object} param0\n   * Object holding the parameters of the list item.\n   *\n   * @param { string } [param0.prefix]\n   * Prefix for this list item (item number, bullet point, etc).\n   */\n  openListItem ({ prefix = '' } = {}) {\n    if (!(this._stackItem instanceof ListStackItem)) {\n      throw new Error('Can\\'t add a list item to something that is not a list! Check the formatter.');\n    }\n    const list = this._stackItem;\n    const prefixLength = Math.max(prefix.length, list.maxPrefixLength);\n    const maxLineLength = Math.max(20, list.inlineTextBuilder.maxLineLength - prefixLength);\n    this._stackItem = new ListItemStackItem(this.options, list, {\n      prefix: prefix,\n      maxLineLength: maxLineLength,\n      leadingLineBreaks: list.interRowLineBreaks\n    });\n  }\n\n  /**\n   * Finalize currently built list item, add it's content to the parent list.\n   */\n  closeListItem () {\n    const listItem = this._popStackItem();\n    const list = listItem.next;\n\n    const prefixLength = Math.max(listItem.prefix.length, list.maxPrefixLength);\n    const spacing = '\\n' + ' '.repeat(prefixLength);\n    const prefix = (list.prefixAlign === 'right')\n      ? listItem.prefix.padStart(prefixLength)\n      : listItem.prefix.padEnd(prefixLength);\n    const text = prefix + getText(listItem).replace(/\\n/g, spacing);\n\n    addText(\n      list,\n      text,\n      listItem.leadingLineBreaks,\n      Math.max(listItem.stashedLineBreaks, list.interRowLineBreaks)\n    );\n  }\n\n  /**\n   * Finalize currently built list, add it's content to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any following block.\n   */\n  closeList ({ trailingLineBreaks = 2 } = {}) {\n    const list = this._popStackItem();\n    const text = getText(list);\n    if (text) {\n      addText(this._stackItem, text, list.leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Start building a table.\n   */\n  openTable () {\n    this._stackItem = new TableStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table row.\n   */\n  openTableRow () {\n    if (!(this._stackItem instanceof TableStackItem)) {\n      throw new Error('Can\\'t add a table row to something that is not a table! Check the formatter.');\n    }\n    this._stackItem = new TableRowStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table cell.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.maxColumnWidth]\n   * Wrap cell content to this width. Fall back to global wordwrap value if undefined.\n   */\n  openTableCell ({ maxColumnWidth = undefined } = {}) {\n    if (!(this._stackItem instanceof TableRowStackItem)) {\n      throw new Error('Can\\'t add a table cell to something that is not a table row! Check the formatter.');\n    }\n    this._stackItem = new TableCellStackItem(this.options, this._stackItem, maxColumnWidth);\n  }\n\n  /**\n   * Finalize currently built table cell and add it to parent table row's cells.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.colspan] How many columns this cell should occupy.\n   * @param { number } [param0.rowspan] How many rows this cell should occupy.\n   */\n  closeTableCell ({ colspan = 1, rowspan = 1 } = {}) {\n    const cell = this._popStackItem();\n    const text = trimCharacter(getText(cell), '\\n');\n    cell.next.cells.push({ colspan: colspan, rowspan: rowspan, text: text });\n  }\n\n  /**\n   * Finalize currently built table row and add it to parent table's rows.\n   */\n  closeTableRow () {\n    const row = this._popStackItem();\n    row.next.rows.push(row.cells);\n  }\n\n  /**\n   * Finalize currently built table and add the rendered text to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the table.\n   *\n   * @param { TablePrinter } param0.tableToString\n   * A function to convert a table of stringified cells into a complete table.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This table should have at least this number of line breaks to separate if from any preceding block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This table should have at least this number of line breaks to separate it from any following block.\n   */\n  closeTable ({ tableToString, leadingLineBreaks = 2, trailingLineBreaks = 2 }) {\n    const table = this._popStackItem();\n    const output = tableToString(table.rows);\n    if (output) {\n      addText(this._stackItem, output, leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Return the rendered text content of this builder.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return getText(this._stackItem.getRoot());\n    // There should only be the root item if everything is closed properly.\n  }\n\n}\n\nfunction getText (stackItem) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can be requested for text contents.');\n  }\n  return (stackItem.inlineTextBuilder.isEmpty())\n    ? stackItem.rawText\n    : stackItem.rawText + stackItem.inlineTextBuilder.toString();\n}\n\nfunction addText (stackItem, text, leadingLineBreaks, trailingLineBreaks) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can contain text.');\n  }\n  const parentText = getText(stackItem);\n  const lineBreaks = Math.max(stackItem.stashedLineBreaks, leadingLineBreaks);\n  stackItem.inlineTextBuilder.clear();\n  if (parentText) {\n    stackItem.rawText = parentText + '\\n'.repeat(lineBreaks) + text;\n  } else {\n    stackItem.rawText = text;\n    stackItem.leadingLineBreaks = lineBreaks;\n  }\n  stackItem.stashedLineBreaks = trailingLineBreaks;\n}\n\n/**\n * @param { string } str A string to transform.\n * @param { TransformerStackItem } transformer A transformer item (with possible continuation).\n * @returns { string }\n */\nfunction applyTransformer (str, transformer) {\n  return ((transformer) ? applyTransformer(transformer.transform(str), transformer.next) : str);\n}\n\n/**\n * Compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options (defaults, formatters, user options merged, deduplicated).\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile$1 (options = {}) {\n  const selectorsWithoutFormat = options.selectors.filter(s => !s.format);\n  if (selectorsWithoutFormat.length) {\n    throw new Error(\n      'Following selectors have no specified format: ' +\n      selectorsWithoutFormat.map(s => `\\`${s.selector}\\``).join(', ')\n    );\n  }\n  const picker = new selderee.DecisionTree(\n    options.selectors.map(s => [s.selector, s])\n  ).build(pluginHtmlparser2.hp2Builder);\n\n  if (typeof options.encodeCharacters !== 'function') {\n    options.encodeCharacters = makeReplacerFromDict(options.encodeCharacters);\n  }\n\n  const baseSelectorsPicker = new selderee.DecisionTree(\n    options.baseElements.selectors.map((s, i) => [s, i + 1])\n  ).build(pluginHtmlparser2.hp2Builder);\n  function findBaseElements (dom) {\n    return findBases(dom, options, baseSelectorsPicker);\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk,\n    function (dom, builder) {\n      builder.addInline(options.limits.ellipsis || '');\n    }\n  );\n\n  return function (html, metadata = undefined) {\n    return process(html, metadata, options, picker, findBaseElements, limitedWalk);\n  };\n}\n\n\n/**\n * Convert given HTML according to preprocessed options.\n *\n * @param { string } html HTML content to convert.\n * @param { any } metadata Optional metadata for HTML document, for use in formatters.\n * @param { Options } options HtmlToText options (preprocessed).\n * @param { import('selderee').Picker<DomNode, TagDefinition> } picker\n * Tag definition picker for DOM nodes processing.\n * @param { (dom: DomNode[]) => DomNode[] } findBaseElements\n * Function to extract elements from HTML DOM\n * that will only be present in the output text.\n * @param { RecursiveCallback } walk Recursive callback.\n * @returns { string }\n */\nfunction process (html, metadata, options, picker, findBaseElements, walk) {\n  const maxInputLength = options.limits.maxInputLength;\n  if (maxInputLength && html && html.length > maxInputLength) {\n    console.warn(\n      `Input length ${html.length} is above allowed limit of ${maxInputLength}. Truncating without ellipsis.`\n    );\n    html = html.substring(0, maxInputLength);\n  }\n\n  const document = htmlparser2.parseDocument(html, { decodeEntities: options.decodeEntities });\n  const bases = findBaseElements(document.children);\n  const builder = new BlockTextBuilder(options, picker, metadata);\n  walk(bases, builder);\n  return builder.toString();\n}\n\n\nfunction findBases (dom, options, baseSelectorsPicker) {\n  const results = [];\n\n  function recursiveWalk (walk, /** @type { DomNode[] } */ dom) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    for (const elem of dom) {\n      if (elem.type !== 'tag') {\n        continue;\n      }\n      const pickedSelectorIndex = baseSelectorsPicker.pick1(elem);\n      if (pickedSelectorIndex > 0) {\n        results.push({ selectorIndex: pickedSelectorIndex, element: elem });\n      } else if (elem.children) {\n        walk(elem.children);\n      }\n      if (results.length >= options.limits.maxBaseElements) {\n        return;\n      }\n    }\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk\n  );\n  limitedWalk(dom);\n\n  if (options.baseElements.orderBy !== 'occurrence') { // 'selectors'\n    results.sort((a, b) => a.selectorIndex - b.selectorIndex);\n  }\n  return (options.baseElements.returnDomByDefault && results.length === 0)\n    ? dom\n    : results.map(x => x.element);\n}\n\n/**\n * Function to walk through DOM nodes and accumulate their string representations.\n *\n * @param   { RecursiveCallback } walk    Recursive callback.\n * @param   { DomNode[] }         [dom]   Nodes array to process.\n * @param   { BlockTextBuilder }  builder Passed around to accumulate output text.\n * @private\n */\nfunction recursiveWalk (walk, dom, builder) {\n  if (!dom) { return; }\n\n  const options = builder.options;\n\n  const tooManyChildNodes = dom.length > options.limits.maxChildNodes;\n  if (tooManyChildNodes) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    dom.push({\n      data: options.limits.ellipsis,\n      type: 'text'\n    });\n  }\n\n  for (const elem of dom) {\n    switch (elem.type) {\n      case 'text': {\n        builder.addInline(elem.data);\n        break;\n      }\n      case 'tag': {\n        const tagDefinition = builder.picker.pick1(elem);\n        const format = options.formatters[tagDefinition.format];\n        format(elem, walk, builder, tagDefinition.options || {});\n        break;\n      }\n    }\n  }\n\n  return;\n}\n\n/**\n * @param { Object<string,string | false> } dict\n * A dictionary where keys are characters to replace\n * and values are replacement strings.\n *\n * First code point from dict keys is used.\n * Compound emojis with ZWJ are not supported (not until Node 16).\n *\n * @returns { ((str: string) => string) | undefined }\n */\nfunction makeReplacerFromDict (dict) {\n  if (!dict || Object.keys(dict).length === 0) {\n    return undefined;\n  }\n  /** @type { [string, string][] } */\n  const entries = Object.entries(dict).filter(([, v]) => v !== false);\n  const regex = new RegExp(\n    entries\n      .map(([c]) => `(${unicodeEscape([...c][0])})`)\n      .join('|'),\n    'g'\n  );\n  const values = entries.map(([, v]) => v);\n  const replacer = (m, ...cgs) => values[cgs.findIndex(cg => cg)];\n  return (str) => str.replace(regex, replacer);\n}\n\n/**\n * Dummy formatter that discards the input and does nothing.\n *\n * @type { FormatCallback }\n */\nfunction formatSkip (elem, walk, builder, formatOptions) {\n  /* do nothing */\n}\n\n/**\n * Insert the given string literal inline instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineString (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.string || '');\n}\n\n/**\n * Insert a block with the given string literal instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockString (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addLiteral(formatOptions.string || '');\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process an inline-level element.\n *\n * @type { FormatCallback }\n */\nfunction formatInline (elem, walk, builder, formatOptions) {\n  walk(elem.children, builder);\n}\n\n/**\n * Process a block-level container.\n *\n * @type { FormatCallback }\n */\nfunction formatBlock$1 (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\nfunction renderOpenTag (elem) {\n  const attrs = (elem.attribs && elem.attribs.length)\n    ? ' ' + Object.entries(elem.attribs)\n      .map(([k, v]) => ((v === '') ? k : `${k}=${v.replace(/\"/g, '&quot;')}`))\n      .join(' ')\n    : '';\n  return `<${elem.name}${attrs}>`;\n}\n\nfunction renderCloseTag (elem) {\n  return `</${elem.name}>`;\n}\n\n/**\n * Render an element as inline HTML tag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineTag (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element as HTML block bag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockTag (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render an element with all it's children as inline HTML.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineHtml (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element with all it's children as HTML block.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockHtml (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render inline element wrapped with given strings.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineSurround (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.prefix || '');\n  walk(elem.children, builder);\n  builder.addLiteral(formatOptions.suffix || '');\n}\n\nvar genericFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  block: formatBlock$1,\n  blockHtml: formatBlockHtml,\n  blockString: formatBlockString,\n  blockTag: formatBlockTag,\n  inline: formatInline,\n  inlineHtml: formatInlineHtml,\n  inlineString: formatInlineString,\n  inlineSurround: formatInlineSurround,\n  inlineTag: formatInlineTag,\n  skip: formatSkip\n});\n\nfunction getRow (matrix, j) {\n  if (!matrix[j]) { matrix[j] = []; }\n  return matrix[j];\n}\n\nfunction findFirstVacantIndex (row, x = 0) {\n  while (row[x]) { x++; }\n  return x;\n}\n\nfunction transposeInPlace (matrix, maxSize) {\n  for (let i = 0; i < maxSize; i++) {\n    const rowI = getRow(matrix, i);\n    for (let j = 0; j < i; j++) {\n      const rowJ = getRow(matrix, j);\n      if (rowI[j] || rowJ[i]) {\n        const temp = rowI[j];\n        rowI[j] = rowJ[i];\n        rowJ[i] = temp;\n      }\n    }\n  }\n}\n\nfunction putCellIntoLayout (cell, layout, baseRow, baseCol) {\n  for (let r = 0; r < cell.rowspan; r++) {\n    const layoutRow = getRow(layout, baseRow + r);\n    for (let c = 0; c < cell.colspan; c++) {\n      layoutRow[baseCol + c] = cell;\n    }\n  }\n}\n\nfunction getOrInitOffset (offsets, index) {\n  if (offsets[index] === undefined) {\n    offsets[index] = (index === 0) ? 0 : 1 + getOrInitOffset(offsets, index - 1);\n  }\n  return offsets[index];\n}\n\nfunction updateOffset (offsets, base, span, value) {\n  offsets[base + span] = Math.max(\n    getOrInitOffset(offsets, base + span),\n    getOrInitOffset(offsets, base) + value\n  );\n}\n\n/**\n * Render a table into a string.\n * Cells can contain multiline text and span across multiple rows and columns.\n *\n * Modifies cells to add lines array.\n *\n * @param { TablePrinterCell[][] } tableRows Table to render.\n * @param { number } rowSpacing Number of spaces between columns.\n * @param { number } colSpacing Number of empty lines between rows.\n * @returns { string }\n */\nfunction tableToString (tableRows, rowSpacing, colSpacing) {\n  const layout = [];\n  let colNumber = 0;\n  const rowNumber = tableRows.length;\n  const rowOffsets = [0];\n  // Fill the layout table and row offsets row-by-row.\n  for (let j = 0; j < rowNumber; j++) {\n    const layoutRow = getRow(layout, j);\n    const cells = tableRows[j];\n    let x = 0;\n    for (let i = 0; i < cells.length; i++) {\n      const cell = cells[i];\n      x = findFirstVacantIndex(layoutRow, x);\n      putCellIntoLayout(cell, layout, j, x);\n      x += cell.colspan;\n      cell.lines = cell.text.split('\\n');\n      const cellHeight = cell.lines.length;\n      updateOffset(rowOffsets, j, cell.rowspan, cellHeight + rowSpacing);\n    }\n    colNumber = (layoutRow.length > colNumber) ? layoutRow.length : colNumber;\n  }\n\n  transposeInPlace(layout, (rowNumber > colNumber) ? rowNumber : colNumber);\n\n  const outputLines = [];\n  const colOffsets = [0];\n  // Fill column offsets and output lines column-by-column.\n  for (let x = 0; x < colNumber; x++) {\n    let y = 0;\n    let cell;\n    const rowsInThisColumn = Math.min(rowNumber, layout[x].length);\n    while (y < rowsInThisColumn) {\n      cell = layout[x][y];\n      if (cell) {\n        if (!cell.rendered) {\n          let cellWidth = 0;\n          for (let j = 0; j < cell.lines.length; j++) {\n            const line = cell.lines[j];\n            const lineOffset = rowOffsets[y] + j;\n            outputLines[lineOffset] = (outputLines[lineOffset] || '').padEnd(colOffsets[x]) + line;\n            cellWidth = (line.length > cellWidth) ? line.length : cellWidth;\n          }\n          updateOffset(colOffsets, x, cell.colspan, cellWidth + colSpacing);\n          cell.rendered = true;\n        }\n        y += cell.rowspan;\n      } else {\n        const lineOffset = rowOffsets[y];\n        outputLines[lineOffset] = (outputLines[lineOffset] || '');\n        y++;\n      }\n    }\n  }\n\n  return outputLines.join('\\n');\n}\n\n/**\n * Process a line-break.\n *\n * @type { FormatCallback }\n */\nfunction formatLineBreak (elem, walk, builder, formatOptions) {\n  builder.addLineBreak();\n}\n\n/**\n * Process a `wbr` tag (word break opportunity).\n *\n * @type { FormatCallback }\n */\nfunction formatWbr (elem, walk, builder, formatOptions) {\n  builder.addWordBreakOpportunity();\n}\n\n/**\n * Process a horizontal line.\n *\n * @type { FormatCallback }\n */\nfunction formatHorizontalLine (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addInline('-'.repeat(formatOptions.length || builder.options.wordwrap || 40));\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a paragraph.\n *\n * @type { FormatCallback }\n */\nfunction formatParagraph (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a preformatted content.\n *\n * @type { FormatCallback }\n */\nfunction formatPre (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    isPre: true,\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a heading.\n *\n * @type { FormatCallback }\n */\nfunction formatHeading (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  if (formatOptions.uppercase !== false) {\n    builder.pushWordTransform(str => str.toUpperCase());\n    walk(elem.children, builder);\n    builder.popWordTransform();\n  } else {\n    walk(elem.children, builder);\n  }\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a blockquote.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockquote (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2,\n    reservedLineLength: 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({\n    trailingLineBreaks: formatOptions.trailingLineBreaks || 2,\n    blockTransform: str => ((formatOptions.trimEmptyLines !== false) ? trimCharacter(str, '\\n') : str)\n      .split('\\n')\n      .map(line => '> ' + line)\n      .join('\\n')\n  });\n}\n\nfunction withBrackets (str, brackets) {\n  if (!brackets) { return str; }\n\n  const lbr = (typeof brackets[0] === 'string')\n    ? brackets[0]\n    : '[';\n  const rbr = (typeof brackets[1] === 'string')\n    ? brackets[1]\n    : ']';\n  return lbr + str + rbr;\n}\n\nfunction pathRewrite (path, rewriter, baseUrl, metadata, elem) {\n  const modifiedPath = (typeof rewriter === 'function')\n    ? rewriter(path, metadata, elem)\n    : path;\n  return (modifiedPath[0] === '/' && baseUrl)\n    ? trimCharacterEnd(baseUrl, '/') + modifiedPath\n    : modifiedPath;\n}\n\n/**\n * Process an image.\n *\n * @type { FormatCallback }\n */\nfunction formatImage (elem, walk, builder, formatOptions) {\n  const attribs = elem.attribs || {};\n  const alt = (attribs.alt)\n    ? attribs.alt\n    : '';\n  const src = (!attribs.src)\n    ? ''\n    : pathRewrite(attribs.src, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n  const text = (!src)\n    ? alt\n    : (!alt)\n      ? withBrackets(src, formatOptions.linkBrackets)\n      : alt + ' ' + withBrackets(src, formatOptions.linkBrackets);\n\n  builder.addInline(text, { noWordTransform: true });\n}\n\n// a img baseUrl\n// a img pathRewrite\n// a img linkBrackets\n\n// a     ignoreHref: false\n//            ignoreText ?\n// a     noAnchorUrl: true\n//            can be replaced with selector\n// a     hideLinkHrefIfSameAsText: false\n//            how to compare, what to show (text, href, normalized) ?\n// a     mailto protocol removed without options\n\n// a     protocols: mailto, tel, ...\n//            can be matched with selector?\n\n// anchors, protocols - only if no pathRewrite fn is provided\n\n// normalize-url ?\n\n// a\n// a[href^=\"#\"] - format:skip by default\n// a[href^=\"mailto:\"] - ?\n\n/**\n * Process an anchor.\n *\n * @type { FormatCallback }\n */\nfunction formatAnchor (elem, walk, builder, formatOptions) {\n  function getHref () {\n    if (formatOptions.ignoreHref) { return ''; }\n    if (!elem.attribs || !elem.attribs.href) { return ''; }\n    let href = elem.attribs.href.replace(/^mailto:/, '');\n    if (formatOptions.noAnchorUrl && href[0] === '#') { return ''; }\n    href = pathRewrite(href, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n    return href;\n  }\n  const href = getHref();\n  if (!href) {\n    walk(elem.children, builder);\n  } else {\n    let text = '';\n    builder.pushWordTransform(\n      str => {\n        if (str) { text += str; }\n        return str;\n      }\n    );\n    walk(elem.children, builder);\n    builder.popWordTransform();\n\n    const hideSameLink = formatOptions.hideLinkHrefIfSameAsText && href === text;\n    if (!hideSameLink) {\n      builder.addInline(\n        (!text)\n          ? href\n          : ' ' + withBrackets(href, formatOptions.linkBrackets),\n        { noWordTransform: true }\n      );\n    }\n  }\n}\n\n/**\n * @param { DomNode }           elem               List items with their prefixes.\n * @param { RecursiveCallback } walk               Recursive callback to process child nodes.\n * @param { BlockTextBuilder }  builder            Passed around to accumulate output text.\n * @param { FormatOptions }     formatOptions      Options specific to a formatter.\n * @param { () => string }      nextPrefixCallback Function that returns increasing index each time it is called.\n */\nfunction formatList (elem, walk, builder, formatOptions, nextPrefixCallback) {\n  const isNestedList = get(elem, ['parent', 'name']) === 'li';\n\n  // With Roman numbers, index length is not as straightforward as with Arabic numbers or letters,\n  // so the dumb length comparison is the most robust way to get the correct value.\n  let maxPrefixLength = 0;\n  const listItems = (elem.children || [])\n    // it might be more accurate to check only for html spaces here, but no significant benefit\n    .filter(child => child.type !== 'text' || !/^\\s*$/.test(child.data))\n    .map(function (child) {\n      if (child.name !== 'li') {\n        return { node: child, prefix: '' };\n      }\n      const prefix = (isNestedList)\n        ? nextPrefixCallback().trimStart()\n        : nextPrefixCallback();\n      if (prefix.length > maxPrefixLength) { maxPrefixLength = prefix.length; }\n      return { node: child, prefix: prefix };\n    });\n  if (!listItems.length) { return; }\n\n  builder.openList({\n    interRowLineBreaks: 1,\n    leadingLineBreaks: isNestedList ? 1 : (formatOptions.leadingLineBreaks || 2),\n    maxPrefixLength: maxPrefixLength,\n    prefixAlign: 'left'\n  });\n\n  for (const { node, prefix } of listItems) {\n    builder.openListItem({ prefix: prefix });\n    walk([node], builder);\n    builder.closeListItem();\n  }\n\n  builder.closeList({ trailingLineBreaks: isNestedList ? 1 : (formatOptions.trailingLineBreaks || 2) });\n}\n\n/**\n * Process an unordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatUnorderedList (elem, walk, builder, formatOptions) {\n  const prefix = formatOptions.itemPrefix || ' * ';\n  return formatList(elem, walk, builder, formatOptions, () => prefix);\n}\n\n/**\n * Process an ordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatOrderedList (elem, walk, builder, formatOptions) {\n  let nextIndex = Number(elem.attribs.start || '1');\n  const indexFunction = getOrderedListIndexFunction(elem.attribs.type);\n  const nextPrefixCallback = () => ' ' + indexFunction(nextIndex++) + '. ';\n  return formatList(elem, walk, builder, formatOptions, nextPrefixCallback);\n}\n\n/**\n * Return a function that can be used to generate index markers of a specified format.\n *\n * @param   { string } [olType='1'] Marker type.\n * @returns { (i: number) => string }\n */\nfunction getOrderedListIndexFunction (olType = '1') {\n  switch (olType) {\n    case 'a': return (i) => numberToLetterSequence(i, 'a');\n    case 'A': return (i) => numberToLetterSequence(i, 'A');\n    case 'i': return (i) => numberToRoman(i).toLowerCase();\n    case 'I': return (i) => numberToRoman(i);\n    case '1':\n    default: return (i) => (i).toString();\n  }\n}\n\n/**\n * Given a list of class and ID selectors (prefixed with '.' and '#'),\n * return them as separate lists of names without prefixes.\n *\n * @param { string[] } selectors Class and ID selectors (`[\".class\", \"#id\"]` etc).\n * @returns { { classes: string[], ids: string[] } }\n */\nfunction splitClassesAndIds (selectors) {\n  const classes = [];\n  const ids = [];\n  for (const selector of selectors) {\n    if (selector.startsWith('.')) {\n      classes.push(selector.substring(1));\n    } else if (selector.startsWith('#')) {\n      ids.push(selector.substring(1));\n    }\n  }\n  return { classes: classes, ids: ids };\n}\n\nfunction isDataTable (attr, tables) {\n  if (tables === true) { return true; }\n  if (!attr) { return false; }\n\n  const { classes, ids } = splitClassesAndIds(tables);\n  const attrClasses = (attr['class'] || '').split(' ');\n  const attrIds = (attr['id'] || '').split(' ');\n\n  return attrClasses.some(x => classes.includes(x)) || attrIds.some(x => ids.includes(x));\n}\n\n/**\n * Process a table (either as a container or as a data table, depending on options).\n *\n * @type { FormatCallback }\n */\nfunction formatTable (elem, walk, builder, formatOptions) {\n  return isDataTable(elem.attribs, builder.options.tables)\n    ? formatDataTable(elem, walk, builder, formatOptions)\n    : formatBlock(elem, walk, builder, formatOptions);\n}\n\nfunction formatBlock (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks });\n}\n\n/**\n * Process a data table.\n *\n * @type { FormatCallback }\n */\nfunction formatDataTable (elem, walk, builder, formatOptions) {\n  builder.openTable();\n  elem.children.forEach(walkTable);\n  builder.closeTable({\n    tableToString: (rows) => tableToString(rows, formatOptions.rowSpacing ?? 0, formatOptions.colSpacing ?? 3),\n    leadingLineBreaks: formatOptions.leadingLineBreaks,\n    trailingLineBreaks: formatOptions.trailingLineBreaks\n  });\n\n  function formatCell (cellNode) {\n    const colspan = +get(cellNode, ['attribs', 'colspan']) || 1;\n    const rowspan = +get(cellNode, ['attribs', 'rowspan']) || 1;\n    builder.openTableCell({ maxColumnWidth: formatOptions.maxColumnWidth });\n    walk(cellNode.children, builder);\n    builder.closeTableCell({ colspan: colspan, rowspan: rowspan });\n  }\n\n  function walkTable (elem) {\n    if (elem.type !== 'tag') { return; }\n\n    const formatHeaderCell = (formatOptions.uppercaseHeaderCells !== false)\n      ? (cellNode) => {\n        builder.pushWordTransform(str => str.toUpperCase());\n        formatCell(cellNode);\n        builder.popWordTransform();\n      }\n      : formatCell;\n\n    switch (elem.name) {\n      case 'thead':\n      case 'tbody':\n      case 'tfoot':\n      case 'center':\n        elem.children.forEach(walkTable);\n        return;\n\n      case 'tr': {\n        builder.openTableRow();\n        for (const childOfTr of elem.children) {\n          if (childOfTr.type !== 'tag') { continue; }\n          switch (childOfTr.name) {\n            case 'th': {\n              formatHeaderCell(childOfTr);\n              break;\n            }\n            case 'td': {\n              formatCell(childOfTr);\n              break;\n            }\n              // do nothing\n          }\n        }\n        builder.closeTableRow();\n        break;\n      }\n        // do nothing\n    }\n  }\n}\n\nvar textFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  anchor: formatAnchor,\n  blockquote: formatBlockquote,\n  dataTable: formatDataTable,\n  heading: formatHeading,\n  horizontalLine: formatHorizontalLine,\n  image: formatImage,\n  lineBreak: formatLineBreak,\n  orderedList: formatOrderedList,\n  paragraph: formatParagraph,\n  pre: formatPre,\n  table: formatTable,\n  unorderedList: formatUnorderedList,\n  wbr: formatWbr\n});\n\n/**\n * Default options.\n *\n * @constant\n * @type { Options }\n * @default\n * @private\n */\nconst DEFAULT_OPTIONS = {\n  baseElements: {\n    selectors: [ 'body' ],\n    orderBy: 'selectors', // 'selectors' | 'occurrence'\n    returnDomByDefault: true\n  },\n  decodeEntities: true,\n  encodeCharacters: {},\n  formatters: {},\n  limits: {\n    ellipsis: '...',\n    maxBaseElements: undefined,\n    maxChildNodes: undefined,\n    maxDepth: undefined,\n    maxInputLength: (1 << 24) // 16_777_216\n  },\n  longWordSplit: {\n    forceWrapOnLimit: false,\n    wrapCharacters: []\n  },\n  preserveNewlines: false,\n  selectors: [\n    { selector: '*', format: 'inline' },\n    {\n      selector: 'a',\n      format: 'anchor',\n      options: {\n        baseUrl: null,\n        hideLinkHrefIfSameAsText: false,\n        ignoreHref: false,\n        linkBrackets: ['[', ']'],\n        noAnchorUrl: true\n      }\n    },\n    { selector: 'article', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'aside', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'blockquote',\n      format: 'blockquote',\n      options: { leadingLineBreaks: 2, trailingLineBreaks: 2, trimEmptyLines: true }\n    },\n    { selector: 'br', format: 'lineBreak' },\n    { selector: 'div', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'footer', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'form', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'h1', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h2', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h3', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h4', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h5', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h6', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'header', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'hr',\n      format: 'horizontalLine',\n      options: { leadingLineBreaks: 2, length: undefined, trailingLineBreaks: 2 }\n    },\n    {\n      selector: 'img',\n      format: 'image',\n      options: { baseUrl: null, linkBrackets: ['[', ']'] }\n    },\n    { selector: 'main', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'nav', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'ol',\n      format: 'orderedList',\n      options: { leadingLineBreaks: 2, trailingLineBreaks: 2 }\n    },\n    { selector: 'p', format: 'paragraph', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },\n    { selector: 'pre', format: 'pre', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },\n    { selector: 'section', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'table',\n      format: 'table',\n      options: {\n        colSpacing: 3,\n        leadingLineBreaks: 2,\n        maxColumnWidth: 60,\n        rowSpacing: 0,\n        trailingLineBreaks: 2,\n        uppercaseHeaderCells: true\n      }\n    },\n    {\n      selector: 'ul',\n      format: 'unorderedList',\n      options: { itemPrefix: ' * ', leadingLineBreaks: 2, trailingLineBreaks: 2 }\n    },\n    { selector: 'wbr', format: 'wbr' },\n  ],\n  tables: [], // deprecated\n  whitespaceCharacters: ' \\t\\r\\n\\f\\u200b',\n  wordwrap: 80\n};\n\nconst concatMerge = (acc, src, options) => [...acc, ...src];\nconst overwriteMerge = (acc, src, options) => [...src];\nconst selectorsMerge = (acc, src, options) => (\n  (acc.some(s => typeof s === 'object'))\n    ? concatMerge(acc, src) // selectors\n    : overwriteMerge(acc, src) // baseElements.selectors\n);\n\n/**\n * Preprocess options, compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options.\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile (options = {}) {\n  options = merge__default[\"default\"](\n    DEFAULT_OPTIONS,\n    options,\n    {\n      arrayMerge: overwriteMerge,\n      customMerge: (key) => ((key === 'selectors') ? selectorsMerge : undefined)\n    }\n  );\n  options.formatters = Object.assign({}, genericFormatters, textFormatters, options.formatters);\n  options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n\n  handleDeprecatedOptions(options);\n\n  return compile$1(options);\n}\n\n/**\n * Convert given HTML content to plain text string.\n *\n * @param   { string }  html           HTML content to convert.\n * @param   { Options } [options = {}] HtmlToText options.\n * @param   { any }     [metadata]     Optional metadata for HTML document, for use in formatters.\n * @returns { string }                 Plain text string.\n * @static\n *\n * @example\n * const { convert } = require('html-to-text');\n * const text = convert('<h1>Hello World</h1>', {\n *   wordwrap: 130\n * });\n * console.log(text); // HELLO WORLD\n */\nfunction convert (html, options = {}, metadata = undefined) {\n  return compile(options)(html, metadata);\n}\n\n/**\n * Map previously existing and now deprecated options to the new options layout.\n * This is a subject for cleanup in major releases.\n *\n * @param { Options } options HtmlToText options.\n */\nfunction handleDeprecatedOptions (options) {\n  if (options.tags) {\n    const tagDefinitions = Object.entries(options.tags).map(\n      ([selector, definition]) => ({ ...definition, selector: selector || '*' })\n    );\n    options.selectors.push(...tagDefinitions);\n    options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n  }\n\n  function set (obj, path, value) {\n    const valueKey = path.pop();\n    for (const key of path) {\n      let nested = obj[key];\n      if (!nested) {\n        nested = {};\n        obj[key] = nested;\n      }\n      obj = nested;\n    }\n    obj[valueKey] = value;\n  }\n\n  if (options['baseElement']) {\n    const baseElement = options['baseElement'];\n    set(\n      options,\n      ['baseElements', 'selectors'],\n      (Array.isArray(baseElement) ? baseElement : [baseElement])\n    );\n  }\n  if (options['returnDomByDefault'] !== undefined) {\n    set(options, ['baseElements', 'returnDomByDefault'], options['returnDomByDefault']);\n  }\n\n  for (const definition of options.selectors) {\n    if (definition.format === 'anchor' && get(definition, ['options', 'noLinkBrackets'])) {\n      set(definition, ['options', 'linkBrackets'], false);\n    }\n  }\n}\n\nexports.compile = compile;\nexports.convert = convert;\nexports.htmlToText = convert;\n//# sourceURL=[module]\n//# 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strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar pluginHtmlparser2 = require('@selderee/plugin-htmlparser2');\nvar htmlparser2 = require('htmlparser2');\nvar selderee = require('selderee');\nvar merge = require('deepmerge');\nvar domSerializer = require('dom-serializer');\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar merge__default = /*#__PURE__*/_interopDefaultLegacy(merge);\n\n/**\n * Make a recursive function that will only run to a given depth\n * and switches to an alternative function at that depth. \\\n * No limitation if `n` is `undefined` (Just wraps `f` in that case).\n *\n * @param   { number | undefined } n   Allowed depth of recursion. `undefined` for no limitation.\n * @param   { Function }           f   Function that accepts recursive callback as the first argument.\n * @param   { Function }           [g] Function to run instead, when maximum depth was reached. 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Must be >= 1.\n * @param   { string } [baseChar = 'a'] Character for 1 in the sequence.\n * @param   { number } [base = 26]      Number of characters in the sequence.\n * @returns { string }\n */\nfunction numberToLetterSequence (num, baseChar = 'a', base = 26) {\n  const digits = [];\n  do {\n    num -= 1;\n    digits.push(num % base);\n    num = (num / base) >> 0; // quick `floor`\n  } while (num > 0);\n  const baseCode = baseChar.charCodeAt(0);\n  return digits\n    .reverse()\n    .map(n => String.fromCharCode(baseCode + n))\n    .join('');\n}\n\nconst I = ['I', 'X', 'C', 'M'];\nconst V = ['V', 'L', 'D'];\n\n/**\n * Convert a number to it's Roman representation. No large numbers extension.\n *\n * @param   { number } num Number to convert. `0 < num <= 3999`.\n * @returns { string }\n */\nfunction numberToRoman (num) {\n  return [...(num) + '']\n    .map(n => +n)\n    .reverse()\n    .map((v, i) => ((v % 5 < 4)\n      ? (v < 5 ? '' : V[i]) + I[i].repeat(v % 5)\n      : I[i] + (v < 5 ? V[i] : I[i + 1])))\n    .reverse()\n    .join('');\n}\n\n/**\n * Helps to build text from words.\n */\nclass InlineTextBuilder {\n  /**\n   * Creates an instance of InlineTextBuilder.\n   *\n   * If `maxLineLength` is not provided then it is either `options.wordwrap` or unlimited.\n   *\n   * @param { Options } options           HtmlToText options.\n   * @param { number }  [ maxLineLength ] This builder will try to wrap text to fit this line length.\n   */\n  constructor (options, maxLineLength = undefined) {\n    /** @type { string[][] } */\n    this.lines = [];\n    /** @type { string[] }   */\n    this.nextLineWords = [];\n    this.maxLineLength = maxLineLength || options.wordwrap || Number.MAX_VALUE;\n    this.nextLineAvailableChars = this.maxLineLength;\n    this.wrapCharacters = get(options, ['longWordSplit', 'wrapCharacters']) || [];\n    this.forceWrapOnLimit = get(options, ['longWordSplit', 'forceWrapOnLimit']) || false;\n\n    this.stashedSpace = false;\n    this.wordBreakOpportunity = false;\n  }\n\n  /**\n   * Add a new word.\n   *\n   * @param { string } word A word to add.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  pushWord (word, noWrap = false) {\n    if (this.nextLineAvailableChars <= 0 && !noWrap) {\n      this.startNewLine();\n    }\n    const isLineStart = this.nextLineWords.length === 0;\n    const cost = word.length + (isLineStart ? 0 : 1);\n    if ((cost <= this.nextLineAvailableChars) || noWrap) { // Fits into available budget\n\n      this.nextLineWords.push(word);\n      this.nextLineAvailableChars -= cost;\n\n    } else { // Does not fit - try to split the word\n\n      // The word is moved to a new line - prefer to wrap between words.\n      const [first, ...rest] = this.splitLongWord(word);\n      if (!isLineStart) { this.startNewLine(); }\n      this.nextLineWords.push(first);\n      this.nextLineAvailableChars -= first.length;\n      for (const part of rest) {\n        this.startNewLine();\n        this.nextLineWords.push(part);\n        this.nextLineAvailableChars -= part.length;\n      }\n\n    }\n  }\n\n  /**\n   * Pop a word from the currently built line.\n   * This doesn't affect completed lines.\n   *\n   * @returns { string }\n   */\n  popWord () {\n    const lastWord = this.nextLineWords.pop();\n    if (lastWord !== undefined) {\n      const isLineStart = this.nextLineWords.length === 0;\n      const cost = lastWord.length + (isLineStart ? 0 : 1);\n      this.nextLineAvailableChars += cost;\n    }\n    return lastWord;\n  }\n\n  /**\n   * Concat a word to the last word already in the builder.\n   * Adds a new word in case there are no words yet in the last line.\n   *\n   * @param { string } word A word to be concatenated.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  concatWord (word, noWrap = false) {\n    if (this.wordBreakOpportunity && word.length > this.nextLineAvailableChars) {\n      this.pushWord(word, noWrap);\n      this.wordBreakOpportunity = false;\n    } else {\n      const lastWord = this.popWord();\n      this.pushWord((lastWord) ? lastWord.concat(word) : word, noWrap);\n    }\n  }\n\n  /**\n   * Add current line (and more empty lines if provided argument > 1) to the list of complete lines and start a new one.\n   *\n   * @param { number } n Number of line breaks that will be added to the resulting string.\n   */\n  startNewLine (n = 1) {\n    this.lines.push(this.nextLineWords);\n    if (n > 1) {\n      this.lines.push(...Array.from({ length: n - 1 }, () => []));\n    }\n    this.nextLineWords = [];\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * No words in this builder.\n   *\n   * @returns { boolean }\n   */\n  isEmpty () {\n    return this.lines.length === 0\n        && this.nextLineWords.length === 0;\n  }\n\n  clear () {\n    this.lines.length = 0;\n    this.nextLineWords.length = 0;\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * Join all lines of words inside the InlineTextBuilder into a complete string.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return [...this.lines, this.nextLineWords]\n      .map(words => words.join(' '))\n      .join('\\n');\n  }\n\n  /**\n   * Split a long word up to fit within the word wrap limit.\n   * Use either a character to split looking back from the word wrap limit,\n   * or truncate to the word wrap limit.\n   *\n   * @param   { string }   word Input word.\n   * @returns { string[] }      Parts of the word.\n   */\n  splitLongWord (word) {\n    const parts = [];\n    let idx = 0;\n    while (word.length > this.maxLineLength) {\n\n      const firstLine = word.substring(0, this.maxLineLength);\n      const remainingChars = word.substring(this.maxLineLength);\n\n      const splitIndex = firstLine.lastIndexOf(this.wrapCharacters[idx]);\n\n      if (splitIndex > -1) { // Found a character to split on\n\n        word = firstLine.substring(splitIndex + 1) + remainingChars;\n        parts.push(firstLine.substring(0, splitIndex + 1));\n\n      } else { // Not found a character to split on\n\n        idx++;\n        if (idx < this.wrapCharacters.length) { // There is next character to try\n\n          word = firstLine + remainingChars;\n\n        } else { // No more characters to try\n\n          if (this.forceWrapOnLimit) {\n            parts.push(firstLine);\n            word = remainingChars;\n            if (word.length > this.maxLineLength) {\n              continue;\n            }\n          } else {\n            word = firstLine + remainingChars;\n          }\n          break;\n\n        }\n\n      }\n\n    }\n    parts.push(word); // Add remaining part to array\n    return parts;\n  }\n}\n\n/* eslint-disable max-classes-per-file */\n\n\nclass StackItem {\n  constructor (next = null) { this.next = next; }\n\n  getRoot () { return (this.next) ? this.next : this; }\n}\n\nclass BlockStackItem extends StackItem {\n  constructor (options, next = null, leadingLineBreaks = 1, maxLineLength = undefined) {\n    super(next);\n    this.leadingLineBreaks = leadingLineBreaks;\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxLineLength);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass ListStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      interRowLineBreaks = 1,\n      leadingLineBreaks = 2,\n      maxLineLength = undefined,\n      maxPrefixLength = 0,\n      prefixAlign = 'left',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.maxPrefixLength = maxPrefixLength;\n    this.prefixAlign = prefixAlign;\n    this.interRowLineBreaks = interRowLineBreaks;\n  }\n}\n\nclass ListItemStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      leadingLineBreaks = 1,\n      maxLineLength = undefined,\n      prefix = '',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.prefix = prefix;\n  }\n}\n\nclass TableStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.rows = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableRowStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.cells = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableCellStackItem extends StackItem {\n  constructor (options, next = null, maxColumnWidth = undefined) {\n    super(next);\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxColumnWidth);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TransformerStackItem extends StackItem {\n  constructor (next = null, transform) {\n    super(next);\n    this.transform = transform;\n  }\n}\n\nfunction charactersToCodes (str) {\n  return [...str]\n    .map(c => '\\\\u' + c.charCodeAt(0).toString(16).padStart(4, '0'))\n    .join('');\n}\n\n/**\n * Helps to handle HTML whitespaces.\n *\n * @class WhitespaceProcessor\n */\nclass WhitespaceProcessor {\n\n  /**\n   * Creates an instance of WhitespaceProcessor.\n   *\n   * @param { Options } options    HtmlToText options.\n   * @memberof WhitespaceProcessor\n   */\n  constructor (options) {\n    this.whitespaceChars = (options.preserveNewlines)\n      ? options.whitespaceCharacters.replace(/\\n/g, '')\n      : options.whitespaceCharacters;\n    const whitespaceCodes = charactersToCodes(this.whitespaceChars);\n    this.leadingWhitespaceRe = new RegExp(`^[${whitespaceCodes}]`);\n    this.trailingWhitespaceRe = new RegExp(`[${whitespaceCodes}]$`);\n    this.allWhitespaceOrEmptyRe = new RegExp(`^[${whitespaceCodes}]*$`);\n    this.newlineOrNonWhitespaceRe = new RegExp(`(\\\\n|[^\\\\n${whitespaceCodes}])`, 'g');\n    this.newlineOrNonNewlineStringRe = new RegExp(`(\\\\n|[^\\\\n]+)`, 'g');\n\n    if (options.preserveNewlines) {\n\n      const wordOrNewlineRe = new RegExp(`\\\\n|[^\\\\n${whitespaceCodes}]+`, 'gm');\n\n      /**\n       * Shrink whitespaces and wrap text, add to the builder.\n       *\n       * @param { string }                  text              Input text.\n       * @param { InlineTextBuilder }       inlineTextBuilder A builder to receive processed text.\n       * @param { (str: string) => string } [ transform ]     A transform to be applied to words.\n       * @param { boolean }                 [noWrap] Don't wrap text even if the line is too long.\n       */\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordOrNewlineRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (m[0] === '\\n') {\n            inlineTextBuilder.startNewLine();\n          } else if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordOrNewlineRe.exec(text)) !== null) {\n            if (m[0] === '\\n') {\n              inlineTextBuilder.startNewLine();\n            } else {\n              inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n            }\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || (this.testTrailingWhitespace(text));\n        // No need to stash a space in case last added item was a new line,\n        // but that won't affect anything later anyway.\n      };\n\n    } else {\n\n      const wordRe = new RegExp(`[^${whitespaceCodes}]+`, 'g');\n\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordRe.exec(text)) !== null) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || this.testTrailingWhitespace(text);\n      };\n\n    }\n  }\n\n  /**\n   * Add text with only minimal processing.\n   * Everything between newlines considered a single word.\n   * No whitespace is trimmed.\n   * Not affected by preserveNewlines option - `\\n` always starts a new line.\n   *\n   * `noWrap` argument is `true` by default - this won't start a new line\n   * even if there is not enough space left in the current line.\n   *\n   * @param { string }            text              Input text.\n   * @param { InlineTextBuilder } inlineTextBuilder A builder to receive processed text.\n   * @param { boolean }           [noWrap] Don't wrap text even if the line is too long.\n   */\n  addLiteral (text, inlineTextBuilder, noWrap = true) {\n    if (!text) { return; }\n    const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n    let anyMatch = false;\n    let m = this.newlineOrNonNewlineStringRe.exec(text);\n    if (m) {\n      anyMatch = true;\n      if (m[0] === '\\n') {\n        inlineTextBuilder.startNewLine();\n      } else if (previouslyStashedSpace) {\n        inlineTextBuilder.pushWord(m[0], noWrap);\n      } else {\n        inlineTextBuilder.concatWord(m[0], noWrap);\n      }\n      while ((m = this.newlineOrNonNewlineStringRe.exec(text)) !== null) {\n        if (m[0] === '\\n') {\n          inlineTextBuilder.startNewLine();\n        } else {\n          inlineTextBuilder.pushWord(m[0], noWrap);\n        }\n      }\n    }\n    inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch);\n  }\n\n  /**\n   * Test whether the given text starts with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testLeadingWhitespace (text) {\n    return this.leadingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text ends with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testTrailingWhitespace (text) {\n    return this.trailingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text contains any non-whitespace characters.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testContainsWords (text) {\n    return !this.allWhitespaceOrEmptyRe.test(text);\n  }\n\n  /**\n   * Return the number of newlines if there are no words.\n   *\n   * If any word is found then return zero regardless of the actual number of newlines.\n   *\n   * @param   { string }  text  Input string.\n   * @returns { number }\n   */\n  countNewlinesNoWords (text) {\n    this.newlineOrNonWhitespaceRe.lastIndex = 0;\n    let counter = 0;\n    let match;\n    while ((match = this.newlineOrNonWhitespaceRe.exec(text)) !== null) {\n      if (match[0] === '\\n') {\n        counter++;\n      } else {\n        return 0;\n      }\n    }\n    return counter;\n  }\n\n}\n\n/**\n * Helps to build text from inline and block elements.\n *\n * @class BlockTextBuilder\n */\nclass BlockTextBuilder {\n\n  /**\n   * Creates an instance of BlockTextBuilder.\n   *\n   * @param { Options } options HtmlToText options.\n   * @param { import('selderee').Picker<DomNode, TagDefinition> } picker Selectors decision tree picker.\n   * @param { any} [metadata] Optional metadata for HTML document, for use in formatters.\n   */\n  constructor (options, picker, metadata = undefined) {\n    this.options = options;\n    this.picker = picker;\n    this.metadata = metadata;\n    this.whitespaceProcessor = new WhitespaceProcessor(options);\n    /** @type { StackItem } */\n    this._stackItem = new BlockStackItem(options);\n    /** @type { TransformerStackItem } */\n    this._wordTransformer = undefined;\n  }\n\n  /**\n   * Put a word-by-word transform function onto the transformations stack.\n   *\n   * Mainly used for uppercasing. Can be bypassed to add unformatted text such as URLs.\n   *\n   * Word transformations applied before wrapping.\n   *\n   * @param { (str: string) => string } wordTransform Word transformation function.\n   */\n  pushWordTransform (wordTransform) {\n    this._wordTransformer = new TransformerStackItem(this._wordTransformer, wordTransform);\n  }\n\n  /**\n   * Remove a function from the word transformations stack.\n   *\n   * @returns { (str: string) => string } A function that was removed.\n   */\n  popWordTransform () {\n    if (!this._wordTransformer) { return undefined; }\n    const transform = this._wordTransformer.transform;\n    this._wordTransformer = this._wordTransformer.next;\n    return transform;\n  }\n\n  /**\n   * Ignore wordwrap option in followup inline additions and disable automatic wrapping.\n   */\n  startNoWrap () {\n    this._stackItem.isNoWrap = true;\n  }\n\n  /**\n   * Return automatic wrapping to behavior defined by options.\n   */\n  stopNoWrap () {\n    this._stackItem.isNoWrap = false;\n  }\n\n  /** @returns { (str: string) => string } */\n  _getCombinedWordTransformer () {\n    const wt = (this._wordTransformer)\n      ? ((str) => applyTransformer(str, this._wordTransformer))\n      : undefined;\n    const ce = this.options.encodeCharacters;\n    return (wt)\n      ? ((ce) ? (str) => ce(wt(str)) : wt)\n      : ce;\n  }\n\n  _popStackItem () {\n    const item = this._stackItem;\n    this._stackItem = item.next;\n    return item;\n  }\n\n  /**\n   * Add a line break into currently built block.\n   */\n  addLineBreak () {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += '\\n';\n    } else {\n      this._stackItem.inlineTextBuilder.startNewLine();\n    }\n  }\n\n  /**\n   * Allow to break line in case directly following text will not fit.\n   */\n  addWordBreakOpportunity () {\n    if (\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    ) {\n      this._stackItem.inlineTextBuilder.wordBreakOpportunity = true;\n    }\n  }\n\n  /**\n   * Add a node inline into the currently built block.\n   *\n   * @param { string } str\n   * Text content of a node to add.\n   *\n   * @param { object } [param1]\n   * Object holding the parameters of the operation.\n   *\n   * @param { boolean } [param1.noWordTransform]\n   * Ignore word transformers if there are any.\n   * Don't encode characters as well.\n   * (Use this for things like URL addresses).\n   */\n  addInline (str, { noWordTransform = false } = {}) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (\n      str.length === 0 || // empty string\n      (\n        this._stackItem.stashedLineBreaks && // stashed linebreaks make whitespace irrelevant\n        !this.whitespaceProcessor.testContainsWords(str) // no words to add\n      )\n    ) { return; }\n\n    if (this.options.preserveNewlines) {\n      const newlinesNumber = this.whitespaceProcessor.countNewlinesNoWords(str);\n      if (newlinesNumber > 0) {\n        this._stackItem.inlineTextBuilder.startNewLine(newlinesNumber);\n        // keep stashedLineBreaks unchanged\n        return;\n      }\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.shrinkWrapAdd(\n      str,\n      this._stackItem.inlineTextBuilder,\n      (noWordTransform) ? undefined : this._getCombinedWordTransformer(),\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0; // inline text doesn't introduce line breaks\n  }\n\n  /**\n   * Add a string inline into the currently built block.\n   *\n   * Use this for markup elements that don't have to adhere\n   * to text layout rules.\n   *\n   * @param { string } str Text to add.\n   */\n  addLiteral (str) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (str.length === 0) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.addLiteral(\n      str,\n      this._stackItem.inlineTextBuilder,\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0;\n  }\n\n  /**\n   * Start building a new block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any preceding block.\n   *\n   * @param { number }  [param0.reservedLineLength]\n   * Reserve this number of characters on each line for block markup.\n   *\n   * @param { boolean } [param0.isPre]\n   * Should HTML whitespace be preserved inside this block.\n   */\n  openBlock ({ leadingLineBreaks = 1, reservedLineLength = 0, isPre = false } = {}) {\n    const maxLineLength = Math.max(20, this._stackItem.inlineTextBuilder.maxLineLength - reservedLineLength);\n    this._stackItem = new BlockStackItem(\n      this.options,\n      this._stackItem,\n      leadingLineBreaks,\n      maxLineLength\n    );\n    if (isPre) { this._stackItem.isPre = true; }\n  }\n\n  /**\n   * Finalize currently built block, add it's content to the parent block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any following block.\n   *\n   * @param { (str: string) => string } [param0.blockTransform]\n   * A function to transform the block text before adding to the parent block.\n   * This happens after word wrap and should be used in combination with reserved line length\n   * in order to keep line lengths correct.\n   * Used for whole block markup.\n   */\n  closeBlock ({ trailingLineBreaks = 1, blockTransform = undefined } = {}) {\n    const block = this._popStackItem();\n    const blockText = (blockTransform) ? blockTransform(getText(block)) : getText(block);\n    addText(this._stackItem, blockText, block.leadingLineBreaks, Math.max(block.stashedLineBreaks, trailingLineBreaks));\n  }\n\n  /**\n   * Start building a new list.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.maxPrefixLength]\n   * Length of the longest list item prefix.\n   * If not supplied or too small then list items won't be aligned properly.\n   *\n   * @param { 'left' | 'right' } [param0.prefixAlign]\n   * Specify how prefixes of different lengths have to be aligned\n   * within a column.\n   *\n   * @param { number } [param0.interRowLineBreaks]\n   * Minimum number of line breaks between list items.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any preceding block.\n   */\n  openList ({ maxPrefixLength = 0, prefixAlign = 'left', interRowLineBreaks = 1, leadingLineBreaks = 2 } = {}) {\n    this._stackItem = new ListStackItem(this.options, this._stackItem, {\n      interRowLineBreaks: interRowLineBreaks,\n      leadingLineBreaks: leadingLineBreaks,\n      maxLineLength: this._stackItem.inlineTextBuilder.maxLineLength,\n      maxPrefixLength: maxPrefixLength,\n      prefixAlign: prefixAlign\n    });\n  }\n\n  /**\n   * Start building a new list item.\n   *\n   * @param {object} param0\n   * Object holding the parameters of the list item.\n   *\n   * @param { string } [param0.prefix]\n   * Prefix for this list item (item number, bullet point, etc).\n   */\n  openListItem ({ prefix = '' } = {}) {\n    if (!(this._stackItem instanceof ListStackItem)) {\n      throw new Error('Can\\'t add a list item to something that is not a list! Check the formatter.');\n    }\n    const list = this._stackItem;\n    const prefixLength = Math.max(prefix.length, list.maxPrefixLength);\n    const maxLineLength = Math.max(20, list.inlineTextBuilder.maxLineLength - prefixLength);\n    this._stackItem = new ListItemStackItem(this.options, list, {\n      prefix: prefix,\n      maxLineLength: maxLineLength,\n      leadingLineBreaks: list.interRowLineBreaks\n    });\n  }\n\n  /**\n   * Finalize currently built list item, add it's content to the parent list.\n   */\n  closeListItem () {\n    const listItem = this._popStackItem();\n    const list = listItem.next;\n\n    const prefixLength = Math.max(listItem.prefix.length, list.maxPrefixLength);\n    const spacing = '\\n' + ' '.repeat(prefixLength);\n    const prefix = (list.prefixAlign === 'right')\n      ? listItem.prefix.padStart(prefixLength)\n      : listItem.prefix.padEnd(prefixLength);\n    const text = prefix + getText(listItem).replace(/\\n/g, spacing);\n\n    addText(\n      list,\n      text,\n      listItem.leadingLineBreaks,\n      Math.max(listItem.stashedLineBreaks, list.interRowLineBreaks)\n    );\n  }\n\n  /**\n   * Finalize currently built list, add it's content to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any following block.\n   */\n  closeList ({ trailingLineBreaks = 2 } = {}) {\n    const list = this._popStackItem();\n    const text = getText(list);\n    if (text) {\n      addText(this._stackItem, text, list.leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Start building a table.\n   */\n  openTable () {\n    this._stackItem = new TableStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table row.\n   */\n  openTableRow () {\n    if (!(this._stackItem instanceof TableStackItem)) {\n      throw new Error('Can\\'t add a table row to something that is not a table! Check the formatter.');\n    }\n    this._stackItem = new TableRowStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table cell.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.maxColumnWidth]\n   * Wrap cell content to this width. Fall back to global wordwrap value if undefined.\n   */\n  openTableCell ({ maxColumnWidth = undefined } = {}) {\n    if (!(this._stackItem instanceof TableRowStackItem)) {\n      throw new Error('Can\\'t add a table cell to something that is not a table row! Check the formatter.');\n    }\n    this._stackItem = new TableCellStackItem(this.options, this._stackItem, maxColumnWidth);\n  }\n\n  /**\n   * Finalize currently built table cell and add it to parent table row's cells.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.colspan] How many columns this cell should occupy.\n   * @param { number } [param0.rowspan] How many rows this cell should occupy.\n   */\n  closeTableCell ({ colspan = 1, rowspan = 1 } = {}) {\n    const cell = this._popStackItem();\n    const text = trimCharacter(getText(cell), '\\n');\n    cell.next.cells.push({ colspan: colspan, rowspan: rowspan, text: text });\n  }\n\n  /**\n   * Finalize currently built table row and add it to parent table's rows.\n   */\n  closeTableRow () {\n    const row = this._popStackItem();\n    row.next.rows.push(row.cells);\n  }\n\n  /**\n   * Finalize currently built table and add the rendered text to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the table.\n   *\n   * @param { TablePrinter } param0.tableToString\n   * A function to convert a table of stringified cells into a complete table.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This table should have at least this number of line breaks to separate if from any preceding block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This table should have at least this number of line breaks to separate it from any following block.\n   */\n  closeTable ({ tableToString, leadingLineBreaks = 2, trailingLineBreaks = 2 }) {\n    const table = this._popStackItem();\n    const output = tableToString(table.rows);\n    if (output) {\n      addText(this._stackItem, output, leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Return the rendered text content of this builder.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return getText(this._stackItem.getRoot());\n    // There should only be the root item if everything is closed properly.\n  }\n\n}\n\nfunction getText (stackItem) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can be requested for text contents.');\n  }\n  return (stackItem.inlineTextBuilder.isEmpty())\n    ? stackItem.rawText\n    : stackItem.rawText + stackItem.inlineTextBuilder.toString();\n}\n\nfunction addText (stackItem, text, leadingLineBreaks, trailingLineBreaks) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can contain text.');\n  }\n  const parentText = getText(stackItem);\n  const lineBreaks = Math.max(stackItem.stashedLineBreaks, leadingLineBreaks);\n  stackItem.inlineTextBuilder.clear();\n  if (parentText) {\n    stackItem.rawText = parentText + '\\n'.repeat(lineBreaks) + text;\n  } else {\n    stackItem.rawText = text;\n    stackItem.leadingLineBreaks = lineBreaks;\n  }\n  stackItem.stashedLineBreaks = trailingLineBreaks;\n}\n\n/**\n * @param { string } str A string to transform.\n * @param { TransformerStackItem } transformer A transformer item (with possible continuation).\n * @returns { string }\n */\nfunction applyTransformer (str, transformer) {\n  return ((transformer) ? applyTransformer(transformer.transform(str), transformer.next) : str);\n}\n\n/**\n * Compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options (defaults, formatters, user options merged, deduplicated).\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile$1 (options = {}) {\n  const selectorsWithoutFormat = options.selectors.filter(s => !s.format);\n  if (selectorsWithoutFormat.length) {\n    throw new Error(\n      'Following selectors have no specified format: ' +\n      selectorsWithoutFormat.map(s => `\\`${s.selector}\\``).join(', ')\n    );\n  }\n  const picker = new selderee.DecisionTree(\n    options.selectors.map(s => [s.selector, s])\n  ).build(pluginHtmlparser2.hp2Builder);\n\n  if (typeof options.encodeCharacters !== 'function') {\n    options.encodeCharacters = makeReplacerFromDict(options.encodeCharacters);\n  }\n\n  const baseSelectorsPicker = new selderee.DecisionTree(\n    options.baseElements.selectors.map((s, i) => [s, i + 1])\n  ).build(pluginHtmlparser2.hp2Builder);\n  function findBaseElements (dom) {\n    return findBases(dom, options, baseSelectorsPicker);\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk,\n    function (dom, builder) {\n      builder.addInline(options.limits.ellipsis || '');\n    }\n  );\n\n  return function (html, metadata = undefined) {\n    return process(html, metadata, options, picker, findBaseElements, limitedWalk);\n  };\n}\n\n\n/**\n * Convert given HTML according to preprocessed options.\n *\n * @param { string } html HTML content to convert.\n * @param { any } metadata Optional metadata for HTML document, for use in formatters.\n * @param { Options } options HtmlToText options (preprocessed).\n * @param { import('selderee').Picker<DomNode, TagDefinition> } picker\n * Tag definition picker for DOM nodes processing.\n * @param { (dom: DomNode[]) => DomNode[] } findBaseElements\n * Function to extract elements from HTML DOM\n * that will only be present in the output text.\n * @param { RecursiveCallback } walk Recursive callback.\n * @returns { string }\n */\nfunction process (html, metadata, options, picker, findBaseElements, walk) {\n  const maxInputLength = options.limits.maxInputLength;\n  if (maxInputLength && html && html.length > maxInputLength) {\n    console.warn(\n      `Input length ${html.length} is above allowed limit of ${maxInputLength}. Truncating without ellipsis.`\n    );\n    html = html.substring(0, maxInputLength);\n  }\n\n  const document = htmlparser2.parseDocument(html, { decodeEntities: options.decodeEntities });\n  const bases = findBaseElements(document.children);\n  const builder = new BlockTextBuilder(options, picker, metadata);\n  walk(bases, builder);\n  return builder.toString();\n}\n\n\nfunction findBases (dom, options, baseSelectorsPicker) {\n  const results = [];\n\n  function recursiveWalk (walk, /** @type { DomNode[] } */ dom) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    for (const elem of dom) {\n      if (elem.type !== 'tag') {\n        continue;\n      }\n      const pickedSelectorIndex = baseSelectorsPicker.pick1(elem);\n      if (pickedSelectorIndex > 0) {\n        results.push({ selectorIndex: pickedSelectorIndex, element: elem });\n      } else if (elem.children) {\n        walk(elem.children);\n      }\n      if (results.length >= options.limits.maxBaseElements) {\n        return;\n      }\n    }\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk\n  );\n  limitedWalk(dom);\n\n  if (options.baseElements.orderBy !== 'occurrence') { // 'selectors'\n    results.sort((a, b) => a.selectorIndex - b.selectorIndex);\n  }\n  return (options.baseElements.returnDomByDefault && results.length === 0)\n    ? dom\n    : results.map(x => x.element);\n}\n\n/**\n * Function to walk through DOM nodes and accumulate their string representations.\n *\n * @param   { RecursiveCallback } walk    Recursive callback.\n * @param   { DomNode[] }         [dom]   Nodes array to process.\n * @param   { BlockTextBuilder }  builder Passed around to accumulate output text.\n * @private\n */\nfunction recursiveWalk (walk, dom, builder) {\n  if (!dom) { return; }\n\n  const options = builder.options;\n\n  const tooManyChildNodes = dom.length > options.limits.maxChildNodes;\n  if (tooManyChildNodes) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    dom.push({\n      data: options.limits.ellipsis,\n      type: 'text'\n    });\n  }\n\n  for (const elem of dom) {\n    switch (elem.type) {\n      case 'text': {\n        builder.addInline(elem.data);\n        break;\n      }\n      case 'tag': {\n        const tagDefinition = builder.picker.pick1(elem);\n        const format = options.formatters[tagDefinition.format];\n        format(elem, walk, builder, tagDefinition.options || {});\n        break;\n      }\n    }\n  }\n\n  return;\n}\n\n/**\n * @param { Object<string,string | false> } dict\n * A dictionary where keys are characters to replace\n * and values are replacement strings.\n *\n * First code point from dict keys is used.\n * Compound emojis with ZWJ are not supported (not until Node 16).\n *\n * @returns { ((str: string) => string) | undefined }\n */\nfunction makeReplacerFromDict (dict) {\n  if (!dict || Object.keys(dict).length === 0) {\n    return undefined;\n  }\n  /** @type { [string, string][] } */\n  const entries = Object.entries(dict).filter(([, v]) => v !== false);\n  const regex = new RegExp(\n    entries\n      .map(([c]) => `(${unicodeEscape([...c][0])})`)\n      .join('|'),\n    'g'\n  );\n  const values = entries.map(([, v]) => v);\n  const replacer = (m, ...cgs) => values[cgs.findIndex(cg => cg)];\n  return (str) => str.replace(regex, replacer);\n}\n\n/**\n * Dummy formatter that discards the input and does nothing.\n *\n * @type { FormatCallback }\n */\nfunction formatSkip (elem, walk, builder, formatOptions) {\n  /* do nothing */\n}\n\n/**\n * Insert the given string literal inline instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineString (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.string || '');\n}\n\n/**\n * Insert a block with the given string literal instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockString (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addLiteral(formatOptions.string || '');\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process an inline-level element.\n *\n * @type { FormatCallback }\n */\nfunction formatInline (elem, walk, builder, formatOptions) {\n  walk(elem.children, builder);\n}\n\n/**\n * Process a block-level container.\n *\n * @type { FormatCallback }\n */\nfunction formatBlock$1 (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\nfunction renderOpenTag (elem) {\n  const attrs = (elem.attribs && elem.attribs.length)\n    ? ' ' + Object.entries(elem.attribs)\n      .map(([k, v]) => ((v === '') ? k : `${k}=${v.replace(/\"/g, '&quot;')}`))\n      .join(' ')\n    : '';\n  return `<${elem.name}${attrs}>`;\n}\n\nfunction renderCloseTag (elem) {\n  return `</${elem.name}>`;\n}\n\n/**\n * Render an element as inline HTML tag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineTag (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element as HTML block bag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockTag (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render an element with all it's children as inline HTML.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineHtml (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element with all it's children as HTML block.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockHtml (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render inline element wrapped with given strings.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineSurround (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.prefix || '');\n  walk(elem.children, builder);\n  builder.addLiteral(formatOptions.suffix || '');\n}\n\nvar genericFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  block: formatBlock$1,\n  blockHtml: formatBlockHtml,\n  blockString: formatBlockString,\n  blockTag: formatBlockTag,\n  inline: formatInline,\n  inlineHtml: formatInlineHtml,\n  inlineString: formatInlineString,\n  inlineSurround: formatInlineSurround,\n  inlineTag: formatInlineTag,\n  skip: formatSkip\n});\n\nfunction getRow (matrix, j) {\n  if (!matrix[j]) { matrix[j] = []; }\n  return matrix[j];\n}\n\nfunction findFirstVacantIndex (row, x = 0) {\n  while (row[x]) { x++; }\n  return x;\n}\n\nfunction transposeInPlace (matrix, maxSize) {\n  for (let i = 0; i < maxSize; i++) {\n    const rowI = getRow(matrix, i);\n    for (let j = 0; j < i; j++) {\n      const rowJ = getRow(matrix, j);\n      if (rowI[j] || rowJ[i]) {\n        const temp = rowI[j];\n        rowI[j] = rowJ[i];\n        rowJ[i] = temp;\n      }\n    }\n  }\n}\n\nfunction putCellIntoLayout (cell, layout, baseRow, baseCol) {\n  for (let r = 0; r < cell.rowspan; r++) {\n    const layoutRow = getRow(layout, baseRow + r);\n    for (let c = 0; c < cell.colspan; c++) {\n      layoutRow[baseCol + c] = cell;\n    }\n  }\n}\n\nfunction getOrInitOffset (offsets, index) {\n  if (offsets[index] === undefined) {\n    offsets[index] = (index === 0) ? 0 : 1 + getOrInitOffset(offsets, index - 1);\n  }\n  return offsets[index];\n}\n\nfunction updateOffset (offsets, base, span, value) {\n  offsets[base + span] = Math.max(\n    getOrInitOffset(offsets, base + span),\n    getOrInitOffset(offsets, base) + value\n  );\n}\n\n/**\n * Render a table into a string.\n * Cells can contain multiline text and span across multiple rows and columns.\n *\n * Modifies cells to add lines array.\n *\n * @param { TablePrinterCell[][] } tableRows Table to render.\n * @param { number } rowSpacing Number of spaces between columns.\n * @param { number } colSpacing Number of empty lines between rows.\n * @returns { string }\n */\nfunction tableToString (tableRows, rowSpacing, colSpacing) {\n  const layout = [];\n  let colNumber = 0;\n  const rowNumber = tableRows.length;\n  const rowOffsets = [0];\n  // Fill the layout table and row offsets row-by-row.\n  for (let j = 0; j < rowNumber; j++) {\n    const layoutRow = getRow(layout, j);\n    const cells = tableRows[j];\n    let x = 0;\n    for (let i = 0; i < cells.length; i++) {\n      const cell = cells[i];\n      x = findFirstVacantIndex(layoutRow, x);\n      putCellIntoLayout(cell, layout, j, x);\n      x += cell.colspan;\n      cell.lines = cell.text.split('\\n');\n      const cellHeight = cell.lines.length;\n      updateOffset(rowOffsets, j, cell.rowspan, cellHeight + rowSpacing);\n    }\n    colNumber = (layoutRow.length > colNumber) ? layoutRow.length : colNumber;\n  }\n\n  transposeInPlace(layout, (rowNumber > colNumber) ? rowNumber : colNumber);\n\n  const outputLines = [];\n  const colOffsets = [0];\n  // Fill column offsets and output lines column-by-column.\n  for (let x = 0; x < colNumber; x++) {\n    let y = 0;\n    let cell;\n    const rowsInThisColumn = Math.min(rowNumber, layout[x].length);\n    while (y < rowsInThisColumn) {\n      cell = layout[x][y];\n      if (cell) {\n        if (!cell.rendered) {\n          let cellWidth = 0;\n          for (let j = 0; j < cell.lines.length; j++) {\n            const line = cell.lines[j];\n            const lineOffset = rowOffsets[y] + j;\n            outputLines[lineOffset] = (outputLines[lineOffset] || '').padEnd(colOffsets[x]) + line;\n            cellWidth = (line.length > cellWidth) ? line.length : cellWidth;\n          }\n          updateOffset(colOffsets, x, cell.colspan, cellWidth + colSpacing);\n          cell.rendered = true;\n        }\n        y += cell.rowspan;\n      } else {\n        const lineOffset = rowOffsets[y];\n        outputLines[lineOffset] = (outputLines[lineOffset] || '');\n        y++;\n      }\n    }\n  }\n\n  return outputLines.join('\\n');\n}\n\n/**\n * Process a line-break.\n *\n * @type { FormatCallback }\n */\nfunction formatLineBreak (elem, walk, builder, formatOptions) {\n  builder.addLineBreak();\n}\n\n/**\n * Process a `wbr` tag (word break opportunity).\n *\n * @type { FormatCallback }\n */\nfunction formatWbr (elem, walk, builder, formatOptions) {\n  builder.addWordBreakOpportunity();\n}\n\n/**\n * Process a horizontal line.\n *\n * @type { FormatCallback }\n */\nfunction formatHorizontalLine (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addInline('-'.repeat(formatOptions.length || builder.options.wordwrap || 40));\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a paragraph.\n *\n * @type { FormatCallback }\n */\nfunction formatParagraph (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a preformatted content.\n *\n * @type { FormatCallback }\n */\nfunction formatPre (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    isPre: true,\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a heading.\n *\n * @type { FormatCallback }\n */\nfunction formatHeading (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  if (formatOptions.uppercase !== false) {\n    builder.pushWordTransform(str => str.toUpperCase());\n    walk(elem.children, builder);\n    builder.popWordTransform();\n  } else {\n    walk(elem.children, builder);\n  }\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a blockquote.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockquote (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2,\n    reservedLineLength: 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({\n    trailingLineBreaks: formatOptions.trailingLineBreaks || 2,\n    blockTransform: str => ((formatOptions.trimEmptyLines !== false) ? trimCharacter(str, '\\n') : str)\n      .split('\\n')\n      .map(line => '> ' + line)\n      .join('\\n')\n  });\n}\n\nfunction withBrackets (str, brackets) {\n  if (!brackets) { return str; }\n\n  const lbr = (typeof brackets[0] === 'string')\n    ? brackets[0]\n    : '[';\n  const rbr = (typeof brackets[1] === 'string')\n    ? brackets[1]\n    : ']';\n  return lbr + str + rbr;\n}\n\nfunction pathRewrite (path, rewriter, baseUrl, metadata, elem) {\n  const modifiedPath = (typeof rewriter === 'function')\n    ? rewriter(path, metadata, elem)\n    : path;\n  return (modifiedPath[0] === '/' && baseUrl)\n    ? trimCharacterEnd(baseUrl, '/') + modifiedPath\n    : modifiedPath;\n}\n\n/**\n * Process an image.\n *\n * @type { FormatCallback }\n */\nfunction formatImage (elem, walk, builder, formatOptions) {\n  const attribs = elem.attribs || {};\n  const alt = (attribs.alt)\n    ? attribs.alt\n    : '';\n  const src = (!attribs.src)\n    ? ''\n    : pathRewrite(attribs.src, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n  const text = (!src)\n    ? alt\n    : (!alt)\n      ? withBrackets(src, formatOptions.linkBrackets)\n      : alt + ' ' + withBrackets(src, formatOptions.linkBrackets);\n\n  builder.addInline(text, { noWordTransform: true });\n}\n\n// a img baseUrl\n// a img pathRewrite\n// a img linkBrackets\n\n// a     ignoreHref: false\n//            ignoreText ?\n// a     noAnchorUrl: true\n//            can be replaced with selector\n// a     hideLinkHrefIfSameAsText: false\n//            how to compare, what to show (text, href, normalized) ?\n// a     mailto protocol removed without options\n\n// a     protocols: mailto, tel, ...\n//            can be matched with selector?\n\n// anchors, protocols - only if no pathRewrite fn is provided\n\n// normalize-url ?\n\n// a\n// a[href^=\"#\"] - format:skip by default\n// a[href^=\"mailto:\"] - ?\n\n/**\n * Process an anchor.\n *\n * @type { FormatCallback }\n */\nfunction formatAnchor (elem, walk, builder, formatOptions) {\n  function getHref () {\n    if (formatOptions.ignoreHref) { return ''; }\n    if (!elem.attribs || !elem.attribs.href) { return ''; }\n    let href = elem.attribs.href.replace(/^mailto:/, '');\n    if (formatOptions.noAnchorUrl && href[0] === '#') { return ''; }\n    href = pathRewrite(href, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n    return href;\n  }\n  const href = getHref();\n  if (!href) {\n    walk(elem.children, builder);\n  } else {\n    let text = '';\n    builder.pushWordTransform(\n      str => {\n        if (str) { text += str; }\n        return str;\n      }\n    );\n    walk(elem.children, builder);\n    builder.popWordTransform();\n\n    const hideSameLink = formatOptions.hideLinkHrefIfSameAsText && href === text;\n    if (!hideSameLink) {\n      builder.addInline(\n        (!text)\n          ? href\n          : ' ' + withBrackets(href, formatOptions.linkBrackets),\n        { noWordTransform: true }\n      );\n    }\n  }\n}\n\n/**\n * @param { DomNode }           elem               List items with their prefixes.\n * @param { RecursiveCallback } walk               Recursive callback to process child nodes.\n * @param { BlockTextBuilder }  builder            Passed around to accumulate output text.\n * @param { FormatOptions }     formatOptions      Options specific to a formatter.\n * @param { () => string }      nextPrefixCallback Function that returns increasing index each time it is called.\n */\nfunction formatList (elem, walk, builder, formatOptions, nextPrefixCallback) {\n  const isNestedList = get(elem, ['parent', 'name']) === 'li';\n\n  // With Roman numbers, index length is not as straightforward as with Arabic numbers or letters,\n  // so the dumb length comparison is the most robust way to get the correct value.\n  let maxPrefixLength = 0;\n  const listItems = (elem.children || [])\n    // it might be more accurate to check only for html spaces here, but no significant benefit\n    .filter(child => child.type !== 'text' || !/^\\s*$/.test(child.data))\n    .map(function (child) {\n      if (child.name !== 'li') {\n        return { node: child, prefix: '' };\n      }\n      const prefix = (isNestedList)\n        ? nextPrefixCallback().trimStart()\n        : nextPrefixCallback();\n      if (prefix.length > maxPrefixLength) { maxPrefixLength = prefix.length; }\n      return { node: child, prefix: prefix };\n    });\n  if (!listItems.length) { return; }\n\n  builder.openList({\n    interRowLineBreaks: 1,\n    leadingLineBreaks: isNestedList ? 1 : (formatOptions.leadingLineBreaks || 2),\n    maxPrefixLength: maxPrefixLength,\n    prefixAlign: 'left'\n  });\n\n  for (const { node, prefix } of listItems) {\n    builder.openListItem({ prefix: prefix });\n    walk([node], builder);\n    builder.closeListItem();\n  }\n\n  builder.closeList({ trailingLineBreaks: isNestedList ? 1 : (formatOptions.trailingLineBreaks || 2) });\n}\n\n/**\n * Process an unordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatUnorderedList (elem, walk, builder, formatOptions) {\n  const prefix = formatOptions.itemPrefix || ' * ';\n  return formatList(elem, walk, builder, formatOptions, () => prefix);\n}\n\n/**\n * Process an ordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatOrderedList (elem, walk, builder, formatOptions) {\n  let nextIndex = Number(elem.attribs.start || '1');\n  const indexFunction = getOrderedListIndexFunction(elem.attribs.type);\n  const nextPrefixCallback = () => ' ' + indexFunction(nextIndex++) + '. ';\n  return formatList(elem, walk, builder, formatOptions, nextPrefixCallback);\n}\n\n/**\n * Return a function that can be used to generate index markers of a specified format.\n *\n * @param   { string } [olType='1'] Marker type.\n * @returns { (i: number) => string }\n */\nfunction getOrderedListIndexFunction (olType = '1') {\n  switch (olType) {\n    case 'a': return (i) => numberToLetterSequence(i, 'a');\n    case 'A': return (i) => numberToLetterSequence(i, 'A');\n    case 'i': return (i) => numberToRoman(i).toLowerCase();\n    case 'I': return (i) => numberToRoman(i);\n    case '1':\n    default: return (i) => (i).toString();\n  }\n}\n\n/**\n * Given a list of class and ID selectors (prefixed with '.' and '#'),\n * return them as separate lists of names without prefixes.\n *\n * @param { string[] } selectors Class and ID selectors (`[\".class\", \"#id\"]` etc).\n * @returns { { classes: string[], ids: string[] } }\n */\nfunction splitClassesAndIds (selectors) {\n  const classes = [];\n  const ids = [];\n  for (const selector of selectors) {\n    if (selector.startsWith('.')) {\n      classes.push(selector.substring(1));\n    } else if (selector.startsWith('#')) {\n      ids.push(selector.substring(1));\n    }\n  }\n  return { classes: classes, ids: ids };\n}\n\nfunction isDataTable (attr, tables) {\n  if (tables === true) { return true; }\n  if (!attr) { return false; }\n\n  const { classes, ids } = splitClassesAndIds(tables);\n  const attrClasses = (attr['class'] || '').split(' ');\n  const attrIds = (attr['id'] || '').split(' ');\n\n  return attrClasses.some(x => classes.includes(x)) || attrIds.some(x => ids.includes(x));\n}\n\n/**\n * Process a table (either as a container or as a data table, depending on options).\n *\n * @type { FormatCallback }\n */\nfunction formatTable (elem, walk, builder, formatOptions) {\n  return isDataTable(elem.attribs, builder.options.tables)\n    ? formatDataTable(elem, walk, builder, formatOptions)\n    : formatBlock(elem, walk, builder, formatOptions);\n}\n\nfunction formatBlock (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks });\n}\n\n/**\n * Process a data table.\n *\n * @type { FormatCallback }\n */\nfunction formatDataTable (elem, walk, builder, formatOptions) {\n  builder.openTable();\n  elem.children.forEach(walkTable);\n  builder.closeTable({\n    tableToString: (rows) => tableToString(rows, formatOptions.rowSpacing ?? 0, formatOptions.colSpacing ?? 3),\n    leadingLineBreaks: formatOptions.leadingLineBreaks,\n    trailingLineBreaks: formatOptions.trailingLineBreaks\n  });\n\n  function formatCell (cellNode) {\n    const colspan = +get(cellNode, ['attribs', 'colspan']) || 1;\n    const rowspan = +get(cellNode, ['attribs', 'rowspan']) || 1;\n    builder.openTableCell({ maxColumnWidth: formatOptions.maxColumnWidth });\n    walk(cellNode.children, builder);\n    builder.closeTableCell({ colspan: colspan, rowspan: rowspan });\n  }\n\n  function walkTable (elem) {\n    if (elem.type !== 'tag') { return; }\n\n    const formatHeaderCell = (formatOptions.uppercaseHeaderCells !== false)\n      ? (cellNode) => {\n        builder.pushWordTransform(str => str.toUpperCase());\n        formatCell(cellNode);\n        builder.popWordTransform();\n      }\n      : formatCell;\n\n    switch (elem.name) {\n      case 'thead':\n      case 'tbody':\n      case 'tfoot':\n      case 'center':\n        elem.children.forEach(walkTable);\n        return;\n\n      case 'tr': {\n        builder.openTableRow();\n        for (const childOfTr of elem.children) {\n          if (childOfTr.type !== 'tag') { continue; }\n          switch (childOfTr.name) {\n            case 'th': {\n              formatHeaderCell(childOfTr);\n              break;\n            }\n            case 'td': {\n              formatCell(childOfTr);\n              break;\n            }\n              // do nothing\n          }\n        }\n        builder.closeTableRow();\n        break;\n      }\n        // do nothing\n    }\n  }\n}\n\nvar textFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  anchor: formatAnchor,\n  blockquote: formatBlockquote,\n  dataTable: formatDataTable,\n  heading: formatHeading,\n  horizontalLine: formatHorizontalLine,\n  image: formatImage,\n  lineBreak: formatLineBreak,\n  orderedList: formatOrderedList,\n  paragraph: formatParagraph,\n  pre: formatPre,\n  table: formatTable,\n  unorderedList: formatUnorderedList,\n  wbr: formatWbr\n});\n\n/**\n * Default options.\n *\n * @constant\n * @type { Options }\n * @default\n * @private\n */\nconst DEFAULT_OPTIONS = {\n  baseElements: {\n    selectors: [ 'body' ],\n    orderBy: 'selectors', // 'selectors' | 'occurrence'\n    returnDomByDefault: true\n  },\n  decodeEntities: true,\n  encodeCharacters: {},\n  formatters: {},\n  limits: {\n    ellipsis: '...',\n    maxBaseElements: undefined,\n    maxChildNodes: undefined,\n    maxDepth: undefined,\n    maxInputLength: (1 << 24) // 16_777_216\n  },\n  longWordSplit: {\n    forceWrapOnLimit: false,\n    wrapCharacters: []\n  },\n  preserveNewlines: false,\n  selectors: [\n    { selector: '*', format: 'inline' },\n    {\n      selector: 'a',\n      format: 'anchor',\n      options: {\n        baseUrl: null,\n        hideLinkHrefIfSameAsText: false,\n        ignoreHref: false,\n        linkBrackets: ['[', ']'],\n        noAnchorUrl: true\n      }\n    },\n    { selector: 'article', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'aside', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'blockquote',\n      format: 'blockquote',\n      options: { leadingLineBreaks: 2, trailingLineBreaks: 2, trimEmptyLines: true }\n    },\n    { selector: 'br', format: 'lineBreak' },\n    { selector: 'div', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'footer', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'form', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'h1', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h2', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h3', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h4', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h5', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h6', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'header', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'hr',\n      format: 'horizontalLine',\n      options: { leadingLineBreaks: 2, length: undefined, trailingLineBreaks: 2 }\n    },\n    {\n      selector: 'img',\n      format: 'image',\n      options: { baseUrl: null, linkBrackets: ['[', ']'] }\n    },\n    { selector: 'main', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'nav', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'ol',\n      format: 'orderedList',\n      options: { leadingLineBreaks: 2, trailingLineBreaks: 2 }\n    },\n    { selector: 'p', format: 'paragraph', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },\n    { selector: 'pre', format: 'pre', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },\n    { selector: 'section', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'table',\n      format: 'table',\n      options: {\n        colSpacing: 3,\n        leadingLineBreaks: 2,\n        maxColumnWidth: 60,\n        rowSpacing: 0,\n        trailingLineBreaks: 2,\n        uppercaseHeaderCells: true\n      }\n    },\n    {\n      selector: 'ul',\n      format: 'unorderedList',\n      options: { itemPrefix: ' * ', leadingLineBreaks: 2, trailingLineBreaks: 2 }\n    },\n    { selector: 'wbr', format: 'wbr' },\n  ],\n  tables: [], // deprecated\n  whitespaceCharacters: ' \\t\\r\\n\\f\\u200b',\n  wordwrap: 80\n};\n\nconst concatMerge = (acc, src, options) => [...acc, ...src];\nconst overwriteMerge = (acc, src, options) => [...src];\nconst selectorsMerge = (acc, src, options) => (\n  (acc.some(s => typeof s === 'object'))\n    ? concatMerge(acc, src) // selectors\n    : overwriteMerge(acc, src) // baseElements.selectors\n);\n\n/**\n * Preprocess options, compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options.\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile (options = {}) {\n  options = merge__default[\"default\"](\n    DEFAULT_OPTIONS,\n    options,\n    {\n      arrayMerge: overwriteMerge,\n      customMerge: (key) => ((key === 'selectors') ? selectorsMerge : undefined)\n    }\n  );\n  options.formatters = Object.assign({}, genericFormatters, textFormatters, options.formatters);\n  options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n\n  handleDeprecatedOptions(options);\n\n  return compile$1(options);\n}\n\n/**\n * Convert given HTML content to plain text string.\n *\n * @param   { string }  html           HTML content to convert.\n * @param   { Options } [options = {}] HtmlToText options.\n * @param   { any }     [metadata]     Optional metadata for HTML document, for use in formatters.\n * @returns { string }                 Plain text string.\n * @static\n *\n * @example\n * const { convert } = require('html-to-text');\n * const text = convert('<h1>Hello World</h1>', {\n *   wordwrap: 130\n * });\n * console.log(text); // HELLO WORLD\n */\nfunction convert (html, options = {}, metadata = undefined) {\n  return compile(options)(html, metadata);\n}\n\n/**\n * Map previously existing and now deprecated options to the new options layout.\n * This is a subject for cleanup in major releases.\n *\n * @param { Options } options HtmlToText options.\n */\nfunction handleDeprecatedOptions (options) {\n  if (options.tags) {\n    const tagDefinitions = Object.entries(options.tags).map(\n      ([selector, definition]) => ({ ...definition, selector: selector || '*' })\n    );\n    options.selectors.push(...tagDefinitions);\n    options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n  }\n\n  function set (obj, path, value) {\n    const valueKey = path.pop();\n    for (const key of path) {\n      let nested = obj[key];\n      if (!nested) {\n        nested = {};\n        obj[key] = nested;\n      }\n      obj = nested;\n    }\n    obj[valueKey] = value;\n  }\n\n  if (options['baseElement']) {\n    const baseElement = options['baseElement'];\n    set(\n      options,\n      ['baseElements', 'selectors'],\n      (Array.isArray(baseElement) ? baseElement : [baseElement])\n    );\n  }\n  if (options['returnDomByDefault'] !== undefined) {\n    set(options, ['baseElements', 'returnDomByDefault'], options['returnDomByDefault']);\n  }\n\n  for (const definition of options.selectors) {\n    if (definition.format === 'anchor' && get(definition, ['options', 'noLinkBrackets'])) {\n      set(definition, ['options', 'linkBrackets'], false);\n    }\n  }\n}\n\nexports.compile = compile;\nexports.convert = convert;\nexports.htmlToText = convert;\n"],"names":[],"ignoreList":[0],"sourceRoot":""}\n//# sourceURL=webpack-internal:///(action-browser)/./node_modules/html-to-text/lib/html-to-text.cjs\n");

/***/ }),

/***/ "(rsc)/./node_modules/html-to-text/lib/html-to-text.cjs":
/*!********************************************************!*\
  !*** ./node_modules/html-to-text/lib/html-to-text.cjs ***!
  \********************************************************/
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

eval("\n\nObject.defineProperty(exports, \"__esModule\", ({ value: true }));\n\nvar pluginHtmlparser2 = __webpack_require__(/*! @selderee/plugin-htmlparser2 */ \"(rsc)/./node_modules/@selderee/plugin-htmlparser2/lib/hp2-builder.cjs\");\nvar htmlparser2 = __webpack_require__(/*! htmlparser2 */ \"(rsc)/./node_modules/htmlparser2/lib/index.js\");\nvar selderee = __webpack_require__(/*! selderee */ \"(rsc)/./node_modules/selderee/lib/selderee.cjs\");\nvar merge = __webpack_require__(/*! deepmerge */ \"(rsc)/./node_modules/deepmerge/dist/cjs.js\");\nvar domSerializer = __webpack_require__(/*! dom-serializer */ \"(rsc)/./node_modules/dom-serializer/lib/index.js\");\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar merge__default = /*#__PURE__*/_interopDefaultLegacy(merge);\n\n/**\n * Make a recursive function that will only run to a given depth\n * and switches to an alternative function at that depth. \\\n * No limitation if `n` is `undefined` (Just wraps `f` in that case).\n *\n * @param   { number | undefined } n   Allowed depth of recursion. `undefined` for no limitation.\n * @param   { Function }           f   Function that accepts recursive callback as the first argument.\n * @param   { Function }           [g] Function to run instead, when maximum depth was reached. Do nothing by default.\n * @returns { Function }\n */\nfunction limitedDepthRecursive (n, f, g = () => undefined) {\n  if (n === undefined) {\n    const f1 = function (...args) { return f(f1, ...args); };\n    return f1;\n  }\n  if (n >= 0) {\n    return function (...args) { return f(limitedDepthRecursive(n - 1, f, g), ...args); };\n  }\n  return g;\n}\n\n/**\n * Return the same string or a substring with\n * the given character occurrences removed from each side.\n *\n * @param   { string } str  A string to trim.\n * @param   { string } char A character to be trimmed.\n * @returns { string }\n */\nfunction trimCharacter (str, char) {\n  let start = 0;\n  let end = str.length;\n  while (start < end && str[start] === char) { ++start; }\n  while (end > start && str[end - 1] === char) { --end; }\n  return (start > 0 || end < str.length)\n    ? str.substring(start, end)\n    : str;\n}\n\n/**\n * Return the same string or a substring with\n * the given character occurrences removed from the end only.\n *\n * @param   { string } str  A string to trim.\n * @param   { string } char A character to be trimmed.\n * @returns { string }\n */\nfunction trimCharacterEnd (str, char) {\n  let end = str.length;\n  while (end > 0 && str[end - 1] === char) { --end; }\n  return (end < str.length)\n    ? str.substring(0, end)\n    : str;\n}\n\n/**\n * Return a new string will all characters replaced with unicode escape sequences.\n * This extreme kind of escaping can used to be safely compose regular expressions.\n *\n * @param { string } str A string to escape.\n * @returns { string } A string of unicode escape sequences.\n */\nfunction unicodeEscape (str) {\n  return str.replace(/[\\s\\S]/g, c => '\\\\u' + c.charCodeAt().toString(16).padStart(4, '0'));\n}\n\n/**\n * Deduplicate an array by a given key callback.\n * Item properties are merged recursively and with the preference for last defined values.\n * Of items with the same key, merged item takes the place of the last item,\n * others are omitted.\n *\n * @param { any[] } items An array to deduplicate.\n * @param { (x: any) => string } getKey Callback to get a value that distinguishes unique items.\n * @returns { any[] }\n */\nfunction mergeDuplicatesPreferLast (items, getKey) {\n  const map = new Map();\n  for (let i = items.length; i-- > 0;) {\n    const item = items[i];\n    const key = getKey(item);\n    map.set(\n      key,\n      (map.has(key))\n        ? merge__default[\"default\"](item, map.get(key), { arrayMerge: overwriteMerge$1 })\n        : item\n    );\n  }\n  return [...map.values()].reverse();\n}\n\nconst overwriteMerge$1 = (acc, src, options) => [...src];\n\n/**\n * Get a nested property from an object.\n *\n * @param   { object }   obj  The object to query for the value.\n * @param   { string[] } path The path to the property.\n * @returns { any }\n */\nfunction get (obj, path) {\n  for (const key of path) {\n    if (!obj) { return undefined; }\n    obj = obj[key];\n  }\n  return obj;\n}\n\n/**\n * Convert a number into alphabetic sequence representation (Sequence without zeroes).\n *\n * For example: `a, ..., z, aa, ..., zz, aaa, ...`.\n *\n * @param   { number } num              Number to convert. Must be >= 1.\n * @param   { string } [baseChar = 'a'] Character for 1 in the sequence.\n * @param   { number } [base = 26]      Number of characters in the sequence.\n * @returns { string }\n */\nfunction numberToLetterSequence (num, baseChar = 'a', base = 26) {\n  const digits = [];\n  do {\n    num -= 1;\n    digits.push(num % base);\n    num = (num / base) >> 0; // quick `floor`\n  } while (num > 0);\n  const baseCode = baseChar.charCodeAt(0);\n  return digits\n    .reverse()\n    .map(n => String.fromCharCode(baseCode + n))\n    .join('');\n}\n\nconst I = ['I', 'X', 'C', 'M'];\nconst V = ['V', 'L', 'D'];\n\n/**\n * Convert a number to it's Roman representation. No large numbers extension.\n *\n * @param   { number } num Number to convert. `0 < num <= 3999`.\n * @returns { string }\n */\nfunction numberToRoman (num) {\n  return [...(num) + '']\n    .map(n => +n)\n    .reverse()\n    .map((v, i) => ((v % 5 < 4)\n      ? (v < 5 ? '' : V[i]) + I[i].repeat(v % 5)\n      : I[i] + (v < 5 ? V[i] : I[i + 1])))\n    .reverse()\n    .join('');\n}\n\n/**\n * Helps to build text from words.\n */\nclass InlineTextBuilder {\n  /**\n   * Creates an instance of InlineTextBuilder.\n   *\n   * If `maxLineLength` is not provided then it is either `options.wordwrap` or unlimited.\n   *\n   * @param { Options } options           HtmlToText options.\n   * @param { number }  [ maxLineLength ] This builder will try to wrap text to fit this line length.\n   */\n  constructor (options, maxLineLength = undefined) {\n    /** @type { string[][] } */\n    this.lines = [];\n    /** @type { string[] }   */\n    this.nextLineWords = [];\n    this.maxLineLength = maxLineLength || options.wordwrap || Number.MAX_VALUE;\n    this.nextLineAvailableChars = this.maxLineLength;\n    this.wrapCharacters = get(options, ['longWordSplit', 'wrapCharacters']) || [];\n    this.forceWrapOnLimit = get(options, ['longWordSplit', 'forceWrapOnLimit']) || false;\n\n    this.stashedSpace = false;\n    this.wordBreakOpportunity = false;\n  }\n\n  /**\n   * Add a new word.\n   *\n   * @param { string } word A word to add.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  pushWord (word, noWrap = false) {\n    if (this.nextLineAvailableChars <= 0 && !noWrap) {\n      this.startNewLine();\n    }\n    const isLineStart = this.nextLineWords.length === 0;\n    const cost = word.length + (isLineStart ? 0 : 1);\n    if ((cost <= this.nextLineAvailableChars) || noWrap) { // Fits into available budget\n\n      this.nextLineWords.push(word);\n      this.nextLineAvailableChars -= cost;\n\n    } else { // Does not fit - try to split the word\n\n      // The word is moved to a new line - prefer to wrap between words.\n      const [first, ...rest] = this.splitLongWord(word);\n      if (!isLineStart) { this.startNewLine(); }\n      this.nextLineWords.push(first);\n      this.nextLineAvailableChars -= first.length;\n      for (const part of rest) {\n        this.startNewLine();\n        this.nextLineWords.push(part);\n        this.nextLineAvailableChars -= part.length;\n      }\n\n    }\n  }\n\n  /**\n   * Pop a word from the currently built line.\n   * This doesn't affect completed lines.\n   *\n   * @returns { string }\n   */\n  popWord () {\n    const lastWord = this.nextLineWords.pop();\n    if (lastWord !== undefined) {\n      const isLineStart = this.nextLineWords.length === 0;\n      const cost = lastWord.length + (isLineStart ? 0 : 1);\n      this.nextLineAvailableChars += cost;\n    }\n    return lastWord;\n  }\n\n  /**\n   * Concat a word to the last word already in the builder.\n   * Adds a new word in case there are no words yet in the last line.\n   *\n   * @param { string } word A word to be concatenated.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  concatWord (word, noWrap = false) {\n    if (this.wordBreakOpportunity && word.length > this.nextLineAvailableChars) {\n      this.pushWord(word, noWrap);\n      this.wordBreakOpportunity = false;\n    } else {\n      const lastWord = this.popWord();\n      this.pushWord((lastWord) ? lastWord.concat(word) : word, noWrap);\n    }\n  }\n\n  /**\n   * Add current line (and more empty lines if provided argument > 1) to the list of complete lines and start a new one.\n   *\n   * @param { number } n Number of line breaks that will be added to the resulting string.\n   */\n  startNewLine (n = 1) {\n    this.lines.push(this.nextLineWords);\n    if (n > 1) {\n      this.lines.push(...Array.from({ length: n - 1 }, () => []));\n    }\n    this.nextLineWords = [];\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * No words in this builder.\n   *\n   * @returns { boolean }\n   */\n  isEmpty () {\n    return this.lines.length === 0\n        && this.nextLineWords.length === 0;\n  }\n\n  clear () {\n    this.lines.length = 0;\n    this.nextLineWords.length = 0;\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * Join all lines of words inside the InlineTextBuilder into a complete string.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return [...this.lines, this.nextLineWords]\n      .map(words => words.join(' '))\n      .join('\\n');\n  }\n\n  /**\n   * Split a long word up to fit within the word wrap limit.\n   * Use either a character to split looking back from the word wrap limit,\n   * or truncate to the word wrap limit.\n   *\n   * @param   { string }   word Input word.\n   * @returns { string[] }      Parts of the word.\n   */\n  splitLongWord (word) {\n    const parts = [];\n    let idx = 0;\n    while (word.length > this.maxLineLength) {\n\n      const firstLine = word.substring(0, this.maxLineLength);\n      const remainingChars = word.substring(this.maxLineLength);\n\n      const splitIndex = firstLine.lastIndexOf(this.wrapCharacters[idx]);\n\n      if (splitIndex > -1) { // Found a character to split on\n\n        word = firstLine.substring(splitIndex + 1) + remainingChars;\n        parts.push(firstLine.substring(0, splitIndex + 1));\n\n      } else { // Not found a character to split on\n\n        idx++;\n        if (idx < this.wrapCharacters.length) { // There is next character to try\n\n          word = firstLine + remainingChars;\n\n        } else { // No more characters to try\n\n          if (this.forceWrapOnLimit) {\n            parts.push(firstLine);\n            word = remainingChars;\n            if (word.length > this.maxLineLength) {\n              continue;\n            }\n          } else {\n            word = firstLine + remainingChars;\n          }\n          break;\n\n        }\n\n      }\n\n    }\n    parts.push(word); // Add remaining part to array\n    return parts;\n  }\n}\n\n/* eslint-disable max-classes-per-file */\n\n\nclass StackItem {\n  constructor (next = null) { this.next = next; }\n\n  getRoot () { return (this.next) ? this.next : this; }\n}\n\nclass BlockStackItem extends StackItem {\n  constructor (options, next = null, leadingLineBreaks = 1, maxLineLength = undefined) {\n    super(next);\n    this.leadingLineBreaks = leadingLineBreaks;\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxLineLength);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass ListStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      interRowLineBreaks = 1,\n      leadingLineBreaks = 2,\n      maxLineLength = undefined,\n      maxPrefixLength = 0,\n      prefixAlign = 'left',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.maxPrefixLength = maxPrefixLength;\n    this.prefixAlign = prefixAlign;\n    this.interRowLineBreaks = interRowLineBreaks;\n  }\n}\n\nclass ListItemStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      leadingLineBreaks = 1,\n      maxLineLength = undefined,\n      prefix = '',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.prefix = prefix;\n  }\n}\n\nclass TableStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.rows = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableRowStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.cells = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableCellStackItem extends StackItem {\n  constructor (options, next = null, maxColumnWidth = undefined) {\n    super(next);\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxColumnWidth);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TransformerStackItem extends StackItem {\n  constructor (next = null, transform) {\n    super(next);\n    this.transform = transform;\n  }\n}\n\nfunction charactersToCodes (str) {\n  return [...str]\n    .map(c => '\\\\u' + c.charCodeAt(0).toString(16).padStart(4, '0'))\n    .join('');\n}\n\n/**\n * Helps to handle HTML whitespaces.\n *\n * @class WhitespaceProcessor\n */\nclass WhitespaceProcessor {\n\n  /**\n   * Creates an instance of WhitespaceProcessor.\n   *\n   * @param { Options } options    HtmlToText options.\n   * @memberof WhitespaceProcessor\n   */\n  constructor (options) {\n    this.whitespaceChars = (options.preserveNewlines)\n      ? options.whitespaceCharacters.replace(/\\n/g, '')\n      : options.whitespaceCharacters;\n    const whitespaceCodes = charactersToCodes(this.whitespaceChars);\n    this.leadingWhitespaceRe = new RegExp(`^[${whitespaceCodes}]`);\n    this.trailingWhitespaceRe = new RegExp(`[${whitespaceCodes}]$`);\n    this.allWhitespaceOrEmptyRe = new RegExp(`^[${whitespaceCodes}]*$`);\n    this.newlineOrNonWhitespaceRe = new RegExp(`(\\\\n|[^\\\\n${whitespaceCodes}])`, 'g');\n    this.newlineOrNonNewlineStringRe = new RegExp(`(\\\\n|[^\\\\n]+)`, 'g');\n\n    if (options.preserveNewlines) {\n\n      const wordOrNewlineRe = new RegExp(`\\\\n|[^\\\\n${whitespaceCodes}]+`, 'gm');\n\n      /**\n       * Shrink whitespaces and wrap text, add to the builder.\n       *\n       * @param { string }                  text              Input text.\n       * @param { InlineTextBuilder }       inlineTextBuilder A builder to receive processed text.\n       * @param { (str: string) => string } [ transform ]     A transform to be applied to words.\n       * @param { boolean }                 [noWrap] Don't wrap text even if the line is too long.\n       */\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordOrNewlineRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (m[0] === '\\n') {\n            inlineTextBuilder.startNewLine();\n          } else if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordOrNewlineRe.exec(text)) !== null) {\n            if (m[0] === '\\n') {\n              inlineTextBuilder.startNewLine();\n            } else {\n              inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n            }\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || (this.testTrailingWhitespace(text));\n        // No need to stash a space in case last added item was a new line,\n        // but that won't affect anything later anyway.\n      };\n\n    } else {\n\n      const wordRe = new RegExp(`[^${whitespaceCodes}]+`, 'g');\n\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordRe.exec(text)) !== null) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || this.testTrailingWhitespace(text);\n      };\n\n    }\n  }\n\n  /**\n   * Add text with only minimal processing.\n   * Everything between newlines considered a single word.\n   * No whitespace is trimmed.\n   * Not affected by preserveNewlines option - `\\n` always starts a new line.\n   *\n   * `noWrap` argument is `true` by default - this won't start a new line\n   * even if there is not enough space left in the current line.\n   *\n   * @param { string }            text              Input text.\n   * @param { InlineTextBuilder } inlineTextBuilder A builder to receive processed text.\n   * @param { boolean }           [noWrap] Don't wrap text even if the line is too long.\n   */\n  addLiteral (text, inlineTextBuilder, noWrap = true) {\n    if (!text) { return; }\n    const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n    let anyMatch = false;\n    let m = this.newlineOrNonNewlineStringRe.exec(text);\n    if (m) {\n      anyMatch = true;\n      if (m[0] === '\\n') {\n        inlineTextBuilder.startNewLine();\n      } else if (previouslyStashedSpace) {\n        inlineTextBuilder.pushWord(m[0], noWrap);\n      } else {\n        inlineTextBuilder.concatWord(m[0], noWrap);\n      }\n      while ((m = this.newlineOrNonNewlineStringRe.exec(text)) !== null) {\n        if (m[0] === '\\n') {\n          inlineTextBuilder.startNewLine();\n        } else {\n          inlineTextBuilder.pushWord(m[0], noWrap);\n        }\n      }\n    }\n    inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch);\n  }\n\n  /**\n   * Test whether the given text starts with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testLeadingWhitespace (text) {\n    return this.leadingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text ends with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testTrailingWhitespace (text) {\n    return this.trailingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text contains any non-whitespace characters.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testContainsWords (text) {\n    return !this.allWhitespaceOrEmptyRe.test(text);\n  }\n\n  /**\n   * Return the number of newlines if there are no words.\n   *\n   * If any word is found then return zero regardless of the actual number of newlines.\n   *\n   * @param   { string }  text  Input string.\n   * @returns { number }\n   */\n  countNewlinesNoWords (text) {\n    this.newlineOrNonWhitespaceRe.lastIndex = 0;\n    let counter = 0;\n    let match;\n    while ((match = this.newlineOrNonWhitespaceRe.exec(text)) !== null) {\n      if (match[0] === '\\n') {\n        counter++;\n      } else {\n        return 0;\n      }\n    }\n    return counter;\n  }\n\n}\n\n/**\n * Helps to build text from inline and block elements.\n *\n * @class BlockTextBuilder\n */\nclass BlockTextBuilder {\n\n  /**\n   * Creates an instance of BlockTextBuilder.\n   *\n   * @param { Options } options HtmlToText options.\n   * @param { import('selderee').Picker<DomNode, TagDefinition> } picker Selectors decision tree picker.\n   * @param { any} [metadata] Optional metadata for HTML document, for use in formatters.\n   */\n  constructor (options, picker, metadata = undefined) {\n    this.options = options;\n    this.picker = picker;\n    this.metadata = metadata;\n    this.whitespaceProcessor = new WhitespaceProcessor(options);\n    /** @type { StackItem } */\n    this._stackItem = new BlockStackItem(options);\n    /** @type { TransformerStackItem } */\n    this._wordTransformer = undefined;\n  }\n\n  /**\n   * Put a word-by-word transform function onto the transformations stack.\n   *\n   * Mainly used for uppercasing. Can be bypassed to add unformatted text such as URLs.\n   *\n   * Word transformations applied before wrapping.\n   *\n   * @param { (str: string) => string } wordTransform Word transformation function.\n   */\n  pushWordTransform (wordTransform) {\n    this._wordTransformer = new TransformerStackItem(this._wordTransformer, wordTransform);\n  }\n\n  /**\n   * Remove a function from the word transformations stack.\n   *\n   * @returns { (str: string) => string } A function that was removed.\n   */\n  popWordTransform () {\n    if (!this._wordTransformer) { return undefined; }\n    const transform = this._wordTransformer.transform;\n    this._wordTransformer = this._wordTransformer.next;\n    return transform;\n  }\n\n  /**\n   * Ignore wordwrap option in followup inline additions and disable automatic wrapping.\n   */\n  startNoWrap () {\n    this._stackItem.isNoWrap = true;\n  }\n\n  /**\n   * Return automatic wrapping to behavior defined by options.\n   */\n  stopNoWrap () {\n    this._stackItem.isNoWrap = false;\n  }\n\n  /** @returns { (str: string) => string } */\n  _getCombinedWordTransformer () {\n    const wt = (this._wordTransformer)\n      ? ((str) => applyTransformer(str, this._wordTransformer))\n      : undefined;\n    const ce = this.options.encodeCharacters;\n    return (wt)\n      ? ((ce) ? (str) => ce(wt(str)) : wt)\n      : ce;\n  }\n\n  _popStackItem () {\n    const item = this._stackItem;\n    this._stackItem = item.next;\n    return item;\n  }\n\n  /**\n   * Add a line break into currently built block.\n   */\n  addLineBreak () {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += '\\n';\n    } else {\n      this._stackItem.inlineTextBuilder.startNewLine();\n    }\n  }\n\n  /**\n   * Allow to break line in case directly following text will not fit.\n   */\n  addWordBreakOpportunity () {\n    if (\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    ) {\n      this._stackItem.inlineTextBuilder.wordBreakOpportunity = true;\n    }\n  }\n\n  /**\n   * Add a node inline into the currently built block.\n   *\n   * @param { string } str\n   * Text content of a node to add.\n   *\n   * @param { object } [param1]\n   * Object holding the parameters of the operation.\n   *\n   * @param { boolean } [param1.noWordTransform]\n   * Ignore word transformers if there are any.\n   * Don't encode characters as well.\n   * (Use this for things like URL addresses).\n   */\n  addInline (str, { noWordTransform = false } = {}) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (\n      str.length === 0 || // empty string\n      (\n        this._stackItem.stashedLineBreaks && // stashed linebreaks make whitespace irrelevant\n        !this.whitespaceProcessor.testContainsWords(str) // no words to add\n      )\n    ) { return; }\n\n    if (this.options.preserveNewlines) {\n      const newlinesNumber = this.whitespaceProcessor.countNewlinesNoWords(str);\n      if (newlinesNumber > 0) {\n        this._stackItem.inlineTextBuilder.startNewLine(newlinesNumber);\n        // keep stashedLineBreaks unchanged\n        return;\n      }\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.shrinkWrapAdd(\n      str,\n      this._stackItem.inlineTextBuilder,\n      (noWordTransform) ? undefined : this._getCombinedWordTransformer(),\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0; // inline text doesn't introduce line breaks\n  }\n\n  /**\n   * Add a string inline into the currently built block.\n   *\n   * Use this for markup elements that don't have to adhere\n   * to text layout rules.\n   *\n   * @param { string } str Text to add.\n   */\n  addLiteral (str) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (str.length === 0) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.addLiteral(\n      str,\n      this._stackItem.inlineTextBuilder,\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0;\n  }\n\n  /**\n   * Start building a new block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any preceding block.\n   *\n   * @param { number }  [param0.reservedLineLength]\n   * Reserve this number of characters on each line for block markup.\n   *\n   * @param { boolean } [param0.isPre]\n   * Should HTML whitespace be preserved inside this block.\n   */\n  openBlock ({ leadingLineBreaks = 1, reservedLineLength = 0, isPre = false } = {}) {\n    const maxLineLength = Math.max(20, this._stackItem.inlineTextBuilder.maxLineLength - reservedLineLength);\n    this._stackItem = new BlockStackItem(\n      this.options,\n      this._stackItem,\n      leadingLineBreaks,\n      maxLineLength\n    );\n    if (isPre) { this._stackItem.isPre = true; }\n  }\n\n  /**\n   * Finalize currently built block, add it's content to the parent block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any following block.\n   *\n   * @param { (str: string) => string } [param0.blockTransform]\n   * A function to transform the block text before adding to the parent block.\n   * This happens after word wrap and should be used in combination with reserved line length\n   * in order to keep line lengths correct.\n   * Used for whole block markup.\n   */\n  closeBlock ({ trailingLineBreaks = 1, blockTransform = undefined } = {}) {\n    const block = this._popStackItem();\n    const blockText = (blockTransform) ? blockTransform(getText(block)) : getText(block);\n    addText(this._stackItem, blockText, block.leadingLineBreaks, Math.max(block.stashedLineBreaks, trailingLineBreaks));\n  }\n\n  /**\n   * Start building a new list.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.maxPrefixLength]\n   * Length of the longest list item prefix.\n   * If not supplied or too small then list items won't be aligned properly.\n   *\n   * @param { 'left' | 'right' } [param0.prefixAlign]\n   * Specify how prefixes of different lengths have to be aligned\n   * within a column.\n   *\n   * @param { number } [param0.interRowLineBreaks]\n   * Minimum number of line breaks between list items.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any preceding block.\n   */\n  openList ({ maxPrefixLength = 0, prefixAlign = 'left', interRowLineBreaks = 1, leadingLineBreaks = 2 } = {}) {\n    this._stackItem = new ListStackItem(this.options, this._stackItem, {\n      interRowLineBreaks: interRowLineBreaks,\n      leadingLineBreaks: leadingLineBreaks,\n      maxLineLength: this._stackItem.inlineTextBuilder.maxLineLength,\n      maxPrefixLength: maxPrefixLength,\n      prefixAlign: prefixAlign\n    });\n  }\n\n  /**\n   * Start building a new list item.\n   *\n   * @param {object} param0\n   * Object holding the parameters of the list item.\n   *\n   * @param { string } [param0.prefix]\n   * Prefix for this list item (item number, bullet point, etc).\n   */\n  openListItem ({ prefix = '' } = {}) {\n    if (!(this._stackItem instanceof ListStackItem)) {\n      throw new Error('Can\\'t add a list item to something that is not a list! Check the formatter.');\n    }\n    const list = this._stackItem;\n    const prefixLength = Math.max(prefix.length, list.maxPrefixLength);\n    const maxLineLength = Math.max(20, list.inlineTextBuilder.maxLineLength - prefixLength);\n    this._stackItem = new ListItemStackItem(this.options, list, {\n      prefix: prefix,\n      maxLineLength: maxLineLength,\n      leadingLineBreaks: list.interRowLineBreaks\n    });\n  }\n\n  /**\n   * Finalize currently built list item, add it's content to the parent list.\n   */\n  closeListItem () {\n    const listItem = this._popStackItem();\n    const list = listItem.next;\n\n    const prefixLength = Math.max(listItem.prefix.length, list.maxPrefixLength);\n    const spacing = '\\n' + ' '.repeat(prefixLength);\n    const prefix = (list.prefixAlign === 'right')\n      ? listItem.prefix.padStart(prefixLength)\n      : listItem.prefix.padEnd(prefixLength);\n    const text = prefix + getText(listItem).replace(/\\n/g, spacing);\n\n    addText(\n      list,\n      text,\n      listItem.leadingLineBreaks,\n      Math.max(listItem.stashedLineBreaks, list.interRowLineBreaks)\n    );\n  }\n\n  /**\n   * Finalize currently built list, add it's content to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any following block.\n   */\n  closeList ({ trailingLineBreaks = 2 } = {}) {\n    const list = this._popStackItem();\n    const text = getText(list);\n    if (text) {\n      addText(this._stackItem, text, list.leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Start building a table.\n   */\n  openTable () {\n    this._stackItem = new TableStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table row.\n   */\n  openTableRow () {\n    if (!(this._stackItem instanceof TableStackItem)) {\n      throw new Error('Can\\'t add a table row to something that is not a table! Check the formatter.');\n    }\n    this._stackItem = new TableRowStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table cell.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.maxColumnWidth]\n   * Wrap cell content to this width. Fall back to global wordwrap value if undefined.\n   */\n  openTableCell ({ maxColumnWidth = undefined } = {}) {\n    if (!(this._stackItem instanceof TableRowStackItem)) {\n      throw new Error('Can\\'t add a table cell to something that is not a table row! Check the formatter.');\n    }\n    this._stackItem = new TableCellStackItem(this.options, this._stackItem, maxColumnWidth);\n  }\n\n  /**\n   * Finalize currently built table cell and add it to parent table row's cells.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.colspan] How many columns this cell should occupy.\n   * @param { number } [param0.rowspan] How many rows this cell should occupy.\n   */\n  closeTableCell ({ colspan = 1, rowspan = 1 } = {}) {\n    const cell = this._popStackItem();\n    const text = trimCharacter(getText(cell), '\\n');\n    cell.next.cells.push({ colspan: colspan, rowspan: rowspan, text: text });\n  }\n\n  /**\n   * Finalize currently built table row and add it to parent table's rows.\n   */\n  closeTableRow () {\n    const row = this._popStackItem();\n    row.next.rows.push(row.cells);\n  }\n\n  /**\n   * Finalize currently built table and add the rendered text to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the table.\n   *\n   * @param { TablePrinter } param0.tableToString\n   * A function to convert a table of stringified cells into a complete table.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This table should have at least this number of line breaks to separate if from any preceding block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This table should have at least this number of line breaks to separate it from any following block.\n   */\n  closeTable ({ tableToString, leadingLineBreaks = 2, trailingLineBreaks = 2 }) {\n    const table = this._popStackItem();\n    const output = tableToString(table.rows);\n    if (output) {\n      addText(this._stackItem, output, leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Return the rendered text content of this builder.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return getText(this._stackItem.getRoot());\n    // There should only be the root item if everything is closed properly.\n  }\n\n}\n\nfunction getText (stackItem) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can be requested for text contents.');\n  }\n  return (stackItem.inlineTextBuilder.isEmpty())\n    ? stackItem.rawText\n    : stackItem.rawText + stackItem.inlineTextBuilder.toString();\n}\n\nfunction addText (stackItem, text, leadingLineBreaks, trailingLineBreaks) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can contain text.');\n  }\n  const parentText = getText(stackItem);\n  const lineBreaks = Math.max(stackItem.stashedLineBreaks, leadingLineBreaks);\n  stackItem.inlineTextBuilder.clear();\n  if (parentText) {\n    stackItem.rawText = parentText + '\\n'.repeat(lineBreaks) + text;\n  } else {\n    stackItem.rawText = text;\n    stackItem.leadingLineBreaks = lineBreaks;\n  }\n  stackItem.stashedLineBreaks = trailingLineBreaks;\n}\n\n/**\n * @param { string } str A string to transform.\n * @param { TransformerStackItem } transformer A transformer item (with possible continuation).\n * @returns { string }\n */\nfunction applyTransformer (str, transformer) {\n  return ((transformer) ? applyTransformer(transformer.transform(str), transformer.next) : str);\n}\n\n/**\n * Compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options (defaults, formatters, user options merged, deduplicated).\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile$1 (options = {}) {\n  const selectorsWithoutFormat = options.selectors.filter(s => !s.format);\n  if (selectorsWithoutFormat.length) {\n    throw new Error(\n      'Following selectors have no specified format: ' +\n      selectorsWithoutFormat.map(s => `\\`${s.selector}\\``).join(', ')\n    );\n  }\n  const picker = new selderee.DecisionTree(\n    options.selectors.map(s => [s.selector, s])\n  ).build(pluginHtmlparser2.hp2Builder);\n\n  if (typeof options.encodeCharacters !== 'function') {\n    options.encodeCharacters = makeReplacerFromDict(options.encodeCharacters);\n  }\n\n  const baseSelectorsPicker = new selderee.DecisionTree(\n    options.baseElements.selectors.map((s, i) => [s, i + 1])\n  ).build(pluginHtmlparser2.hp2Builder);\n  function findBaseElements (dom) {\n    return findBases(dom, options, baseSelectorsPicker);\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk,\n    function (dom, builder) {\n      builder.addInline(options.limits.ellipsis || '');\n    }\n  );\n\n  return function (html, metadata = undefined) {\n    return process(html, metadata, options, picker, findBaseElements, limitedWalk);\n  };\n}\n\n\n/**\n * Convert given HTML according to preprocessed options.\n *\n * @param { string } html HTML content to convert.\n * @param { any } metadata Optional metadata for HTML document, for use in formatters.\n * @param { Options } options HtmlToText options (preprocessed).\n * @param { import('selderee').Picker<DomNode, TagDefinition> } picker\n * Tag definition picker for DOM nodes processing.\n * @param { (dom: DomNode[]) => DomNode[] } findBaseElements\n * Function to extract elements from HTML DOM\n * that will only be present in the output text.\n * @param { RecursiveCallback } walk Recursive callback.\n * @returns { string }\n */\nfunction process (html, metadata, options, picker, findBaseElements, walk) {\n  const maxInputLength = options.limits.maxInputLength;\n  if (maxInputLength && html && html.length > maxInputLength) {\n    console.warn(\n      `Input length ${html.length} is above allowed limit of ${maxInputLength}. Truncating without ellipsis.`\n    );\n    html = html.substring(0, maxInputLength);\n  }\n\n  const document = htmlparser2.parseDocument(html, { decodeEntities: options.decodeEntities });\n  const bases = findBaseElements(document.children);\n  const builder = new BlockTextBuilder(options, picker, metadata);\n  walk(bases, builder);\n  return builder.toString();\n}\n\n\nfunction findBases (dom, options, baseSelectorsPicker) {\n  const results = [];\n\n  function recursiveWalk (walk, /** @type { DomNode[] } */ dom) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    for (const elem of dom) {\n      if (elem.type !== 'tag') {\n        continue;\n      }\n      const pickedSelectorIndex = baseSelectorsPicker.pick1(elem);\n      if (pickedSelectorIndex > 0) {\n        results.push({ selectorIndex: pickedSelectorIndex, element: elem });\n      } else if (elem.children) {\n        walk(elem.children);\n      }\n      if (results.length >= options.limits.maxBaseElements) {\n        return;\n      }\n    }\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk\n  );\n  limitedWalk(dom);\n\n  if (options.baseElements.orderBy !== 'occurrence') { // 'selectors'\n    results.sort((a, b) => a.selectorIndex - b.selectorIndex);\n  }\n  return (options.baseElements.returnDomByDefault && results.length === 0)\n    ? dom\n    : results.map(x => x.element);\n}\n\n/**\n * Function to walk through DOM nodes and accumulate their string representations.\n *\n * @param   { RecursiveCallback } walk    Recursive callback.\n * @param   { DomNode[] }         [dom]   Nodes array to process.\n * @param   { BlockTextBuilder }  builder Passed around to accumulate output text.\n * @private\n */\nfunction recursiveWalk (walk, dom, builder) {\n  if (!dom) { return; }\n\n  const options = builder.options;\n\n  const tooManyChildNodes = dom.length > options.limits.maxChildNodes;\n  if (tooManyChildNodes) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    dom.push({\n      data: options.limits.ellipsis,\n      type: 'text'\n    });\n  }\n\n  for (const elem of dom) {\n    switch (elem.type) {\n      case 'text': {\n        builder.addInline(elem.data);\n        break;\n      }\n      case 'tag': {\n        const tagDefinition = builder.picker.pick1(elem);\n        const format = options.formatters[tagDefinition.format];\n        format(elem, walk, builder, tagDefinition.options || {});\n        break;\n      }\n    }\n  }\n\n  return;\n}\n\n/**\n * @param { Object<string,string | false> } dict\n * A dictionary where keys are characters to replace\n * and values are replacement strings.\n *\n * First code point from dict keys is used.\n * Compound emojis with ZWJ are not supported (not until Node 16).\n *\n * @returns { ((str: string) => string) | undefined }\n */\nfunction makeReplacerFromDict (dict) {\n  if (!dict || Object.keys(dict).length === 0) {\n    return undefined;\n  }\n  /** @type { [string, string][] } */\n  const entries = Object.entries(dict).filter(([, v]) => v !== false);\n  const regex = new RegExp(\n    entries\n      .map(([c]) => `(${unicodeEscape([...c][0])})`)\n      .join('|'),\n    'g'\n  );\n  const values = entries.map(([, v]) => v);\n  const replacer = (m, ...cgs) => values[cgs.findIndex(cg => cg)];\n  return (str) => str.replace(regex, replacer);\n}\n\n/**\n * Dummy formatter that discards the input and does nothing.\n *\n * @type { FormatCallback }\n */\nfunction formatSkip (elem, walk, builder, formatOptions) {\n  /* do nothing */\n}\n\n/**\n * Insert the given string literal inline instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineString (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.string || '');\n}\n\n/**\n * Insert a block with the given string literal instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockString (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addLiteral(formatOptions.string || '');\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process an inline-level element.\n *\n * @type { FormatCallback }\n */\nfunction formatInline (elem, walk, builder, formatOptions) {\n  walk(elem.children, builder);\n}\n\n/**\n * Process a block-level container.\n *\n * @type { FormatCallback }\n */\nfunction formatBlock$1 (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\nfunction renderOpenTag (elem) {\n  const attrs = (elem.attribs && elem.attribs.length)\n    ? ' ' + Object.entries(elem.attribs)\n      .map(([k, v]) => ((v === '') ? k : `${k}=${v.replace(/\"/g, '&quot;')}`))\n      .join(' ')\n    : '';\n  return `<${elem.name}${attrs}>`;\n}\n\nfunction renderCloseTag (elem) {\n  return `</${elem.name}>`;\n}\n\n/**\n * Render an element as inline HTML tag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineTag (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element as HTML block bag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockTag (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render an element with all it's children as inline HTML.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineHtml (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element with all it's children as HTML block.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockHtml (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render inline element wrapped with given strings.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineSurround (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.prefix || '');\n  walk(elem.children, builder);\n  builder.addLiteral(formatOptions.suffix || '');\n}\n\nvar genericFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  block: formatBlock$1,\n  blockHtml: formatBlockHtml,\n  blockString: formatBlockString,\n  blockTag: formatBlockTag,\n  inline: formatInline,\n  inlineHtml: formatInlineHtml,\n  inlineString: formatInlineString,\n  inlineSurround: formatInlineSurround,\n  inlineTag: formatInlineTag,\n  skip: formatSkip\n});\n\nfunction getRow (matrix, j) {\n  if (!matrix[j]) { matrix[j] = []; }\n  return matrix[j];\n}\n\nfunction findFirstVacantIndex (row, x = 0) {\n  while (row[x]) { x++; }\n  return x;\n}\n\nfunction transposeInPlace (matrix, maxSize) {\n  for (let i = 0; i < maxSize; i++) {\n    const rowI = getRow(matrix, i);\n    for (let j = 0; j < i; j++) {\n      const rowJ = getRow(matrix, j);\n      if (rowI[j] || rowJ[i]) {\n        const temp = rowI[j];\n        rowI[j] = rowJ[i];\n        rowJ[i] = temp;\n      }\n    }\n  }\n}\n\nfunction putCellIntoLayout (cell, layout, baseRow, baseCol) {\n  for (let r = 0; r < cell.rowspan; r++) {\n    const layoutRow = getRow(layout, baseRow + r);\n    for (let c = 0; c < cell.colspan; c++) {\n      layoutRow[baseCol + c] = cell;\n    }\n  }\n}\n\nfunction getOrInitOffset (offsets, index) {\n  if (offsets[index] === undefined) {\n    offsets[index] = (index === 0) ? 0 : 1 + getOrInitOffset(offsets, index - 1);\n  }\n  return offsets[index];\n}\n\nfunction updateOffset (offsets, base, span, value) {\n  offsets[base + span] = Math.max(\n    getOrInitOffset(offsets, base + span),\n    getOrInitOffset(offsets, base) + value\n  );\n}\n\n/**\n * Render a table into a string.\n * Cells can contain multiline text and span across multiple rows and columns.\n *\n * Modifies cells to add lines array.\n *\n * @param { TablePrinterCell[][] } tableRows Table to render.\n * @param { number } rowSpacing Number of spaces between columns.\n * @param { number } colSpacing Number of empty lines between rows.\n * @returns { string }\n */\nfunction tableToString (tableRows, rowSpacing, colSpacing) {\n  const layout = [];\n  let colNumber = 0;\n  const rowNumber = tableRows.length;\n  const rowOffsets = [0];\n  // Fill the layout table and row offsets row-by-row.\n  for (let j = 0; j < rowNumber; j++) {\n    const layoutRow = getRow(layout, j);\n    const cells = tableRows[j];\n    let x = 0;\n    for (let i = 0; i < cells.length; i++) {\n      const cell = cells[i];\n      x = findFirstVacantIndex(layoutRow, x);\n      putCellIntoLayout(cell, layout, j, x);\n      x += cell.colspan;\n      cell.lines = cell.text.split('\\n');\n      const cellHeight = cell.lines.length;\n      updateOffset(rowOffsets, j, cell.rowspan, cellHeight + rowSpacing);\n    }\n    colNumber = (layoutRow.length > colNumber) ? layoutRow.length : colNumber;\n  }\n\n  transposeInPlace(layout, (rowNumber > colNumber) ? rowNumber : colNumber);\n\n  const outputLines = [];\n  const colOffsets = [0];\n  // Fill column offsets and output lines column-by-column.\n  for (let x = 0; x < colNumber; x++) {\n    let y = 0;\n    let cell;\n    const rowsInThisColumn = Math.min(rowNumber, layout[x].length);\n    while (y < rowsInThisColumn) {\n      cell = layout[x][y];\n      if (cell) {\n        if (!cell.rendered) {\n          let cellWidth = 0;\n          for (let j = 0; j < cell.lines.length; j++) {\n            const line = cell.lines[j];\n            const lineOffset = rowOffsets[y] + j;\n            outputLines[lineOffset] = (outputLines[lineOffset] || '').padEnd(colOffsets[x]) + line;\n            cellWidth = (line.length > cellWidth) ? line.length : cellWidth;\n          }\n          updateOffset(colOffsets, x, cell.colspan, cellWidth + colSpacing);\n          cell.rendered = true;\n        }\n        y += cell.rowspan;\n      } else {\n        const lineOffset = rowOffsets[y];\n        outputLines[lineOffset] = (outputLines[lineOffset] || '');\n        y++;\n      }\n    }\n  }\n\n  return outputLines.join('\\n');\n}\n\n/**\n * Process a line-break.\n *\n * @type { FormatCallback }\n */\nfunction formatLineBreak (elem, walk, builder, formatOptions) {\n  builder.addLineBreak();\n}\n\n/**\n * Process a `wbr` tag (word break opportunity).\n *\n * @type { FormatCallback }\n */\nfunction formatWbr (elem, walk, builder, formatOptions) {\n  builder.addWordBreakOpportunity();\n}\n\n/**\n * Process a horizontal line.\n *\n * @type { FormatCallback }\n */\nfunction formatHorizontalLine (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addInline('-'.repeat(formatOptions.length || builder.options.wordwrap || 40));\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a paragraph.\n *\n * @type { FormatCallback }\n */\nfunction formatParagraph (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a preformatted content.\n *\n * @type { FormatCallback }\n */\nfunction formatPre (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    isPre: true,\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a heading.\n *\n * @type { FormatCallback }\n */\nfunction formatHeading (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  if (formatOptions.uppercase !== false) {\n    builder.pushWordTransform(str => str.toUpperCase());\n    walk(elem.children, builder);\n    builder.popWordTransform();\n  } else {\n    walk(elem.children, builder);\n  }\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a blockquote.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockquote (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2,\n    reservedLineLength: 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({\n    trailingLineBreaks: formatOptions.trailingLineBreaks || 2,\n    blockTransform: str => ((formatOptions.trimEmptyLines !== false) ? trimCharacter(str, '\\n') : str)\n      .split('\\n')\n      .map(line => '> ' + line)\n      .join('\\n')\n  });\n}\n\nfunction withBrackets (str, brackets) {\n  if (!brackets) { return str; }\n\n  const lbr = (typeof brackets[0] === 'string')\n    ? brackets[0]\n    : '[';\n  const rbr = (typeof brackets[1] === 'string')\n    ? brackets[1]\n    : ']';\n  return lbr + str + rbr;\n}\n\nfunction pathRewrite (path, rewriter, baseUrl, metadata, elem) {\n  const modifiedPath = (typeof rewriter === 'function')\n    ? rewriter(path, metadata, elem)\n    : path;\n  return (modifiedPath[0] === '/' && baseUrl)\n    ? trimCharacterEnd(baseUrl, '/') + modifiedPath\n    : modifiedPath;\n}\n\n/**\n * Process an image.\n *\n * @type { FormatCallback }\n */\nfunction formatImage (elem, walk, builder, formatOptions) {\n  const attribs = elem.attribs || {};\n  const alt = (attribs.alt)\n    ? attribs.alt\n    : '';\n  const src = (!attribs.src)\n    ? ''\n    : pathRewrite(attribs.src, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n  const text = (!src)\n    ? alt\n    : (!alt)\n      ? withBrackets(src, formatOptions.linkBrackets)\n      : alt + ' ' + withBrackets(src, formatOptions.linkBrackets);\n\n  builder.addInline(text, { noWordTransform: true });\n}\n\n// a img baseUrl\n// a img pathRewrite\n// a img linkBrackets\n\n// a     ignoreHref: false\n//            ignoreText ?\n// a     noAnchorUrl: true\n//            can be replaced with selector\n// a     hideLinkHrefIfSameAsText: false\n//            how to compare, what to show (text, href, normalized) ?\n// a     mailto protocol removed without options\n\n// a     protocols: mailto, tel, ...\n//            can be matched with selector?\n\n// anchors, protocols - only if no pathRewrite fn is provided\n\n// normalize-url ?\n\n// a\n// a[href^=\"#\"] - format:skip by default\n// a[href^=\"mailto:\"] - ?\n\n/**\n * Process an anchor.\n *\n * @type { FormatCallback }\n */\nfunction formatAnchor (elem, walk, builder, formatOptions) {\n  function getHref () {\n    if (formatOptions.ignoreHref) { return ''; }\n    if (!elem.attribs || !elem.attribs.href) { return ''; }\n    let href = elem.attribs.href.replace(/^mailto:/, '');\n    if (formatOptions.noAnchorUrl && href[0] === '#') { return ''; }\n    href = pathRewrite(href, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n    return href;\n  }\n  const href = getHref();\n  if (!href) {\n    walk(elem.children, builder);\n  } else {\n    let text = '';\n    builder.pushWordTransform(\n      str => {\n        if (str) { text += str; }\n        return str;\n      }\n    );\n    walk(elem.children, builder);\n    builder.popWordTransform();\n\n    const hideSameLink = formatOptions.hideLinkHrefIfSameAsText && href === text;\n    if (!hideSameLink) {\n      builder.addInline(\n        (!text)\n          ? href\n          : ' ' + withBrackets(href, formatOptions.linkBrackets),\n        { noWordTransform: true }\n      );\n    }\n  }\n}\n\n/**\n * @param { DomNode }           elem               List items with their prefixes.\n * @param { RecursiveCallback } walk               Recursive callback to process child nodes.\n * @param { BlockTextBuilder }  builder            Passed around to accumulate output text.\n * @param { FormatOptions }     formatOptions      Options specific to a formatter.\n * @param { () => string }      nextPrefixCallback Function that returns increasing index each time it is called.\n */\nfunction formatList (elem, walk, builder, formatOptions, nextPrefixCallback) {\n  const isNestedList = get(elem, ['parent', 'name']) === 'li';\n\n  // With Roman numbers, index length is not as straightforward as with Arabic numbers or letters,\n  // so the dumb length comparison is the most robust way to get the correct value.\n  let maxPrefixLength = 0;\n  const listItems = (elem.children || [])\n    // it might be more accurate to check only for html spaces here, but no significant benefit\n    .filter(child => child.type !== 'text' || !/^\\s*$/.test(child.data))\n    .map(function (child) {\n      if (child.name !== 'li') {\n        return { node: child, prefix: '' };\n      }\n      const prefix = (isNestedList)\n        ? nextPrefixCallback().trimStart()\n        : nextPrefixCallback();\n      if (prefix.length > maxPrefixLength) { maxPrefixLength = prefix.length; }\n      return { node: child, prefix: prefix };\n    });\n  if (!listItems.length) { return; }\n\n  builder.openList({\n    interRowLineBreaks: 1,\n    leadingLineBreaks: isNestedList ? 1 : (formatOptions.leadingLineBreaks || 2),\n    maxPrefixLength: maxPrefixLength,\n    prefixAlign: 'left'\n  });\n\n  for (const { node, prefix } of listItems) {\n    builder.openListItem({ prefix: prefix });\n    walk([node], builder);\n    builder.closeListItem();\n  }\n\n  builder.closeList({ trailingLineBreaks: isNestedList ? 1 : (formatOptions.trailingLineBreaks || 2) });\n}\n\n/**\n * Process an unordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatUnorderedList (elem, walk, builder, formatOptions) {\n  const prefix = formatOptions.itemPrefix || ' * ';\n  return formatList(elem, walk, builder, formatOptions, () => prefix);\n}\n\n/**\n * Process an ordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatOrderedList (elem, walk, builder, formatOptions) {\n  let nextIndex = Number(elem.attribs.start || '1');\n  const indexFunction = getOrderedListIndexFunction(elem.attribs.type);\n  const nextPrefixCallback = () => ' ' + indexFunction(nextIndex++) + '. ';\n  return formatList(elem, walk, builder, formatOptions, nextPrefixCallback);\n}\n\n/**\n * Return a function that can be used to generate index markers of a specified format.\n *\n * @param   { string } [olType='1'] Marker type.\n * @returns { (i: number) => string }\n */\nfunction getOrderedListIndexFunction (olType = '1') {\n  switch (olType) {\n    case 'a': return (i) => numberToLetterSequence(i, 'a');\n    case 'A': return (i) => numberToLetterSequence(i, 'A');\n    case 'i': return (i) => numberToRoman(i).toLowerCase();\n    case 'I': return (i) => numberToRoman(i);\n    case '1':\n    default: return (i) => (i).toString();\n  }\n}\n\n/**\n * Given a list of class and ID selectors (prefixed with '.' and '#'),\n * return them as separate lists of names without prefixes.\n *\n * @param { string[] } selectors Class and ID selectors (`[\".class\", \"#id\"]` etc).\n * @returns { { classes: string[], ids: string[] } }\n */\nfunction splitClassesAndIds (selectors) {\n  const classes = [];\n  const ids = [];\n  for (const selector of selectors) {\n    if (selector.startsWith('.')) {\n      classes.push(selector.substring(1));\n    } else if (selector.startsWith('#')) {\n      ids.push(selector.substring(1));\n    }\n  }\n  return { classes: classes, ids: ids };\n}\n\nfunction isDataTable (attr, tables) {\n  if (tables === true) { return true; }\n  if (!attr) { return false; }\n\n  const { classes, ids } = splitClassesAndIds(tables);\n  const attrClasses = (attr['class'] || '').split(' ');\n  const attrIds = (attr['id'] || '').split(' ');\n\n  return attrClasses.some(x => classes.includes(x)) || attrIds.some(x => ids.includes(x));\n}\n\n/**\n * Process a table (either as a container or as a data table, depending on options).\n *\n * @type { FormatCallback }\n */\nfunction formatTable (elem, walk, builder, formatOptions) {\n  return isDataTable(elem.attribs, builder.options.tables)\n    ? formatDataTable(elem, walk, builder, formatOptions)\n    : formatBlock(elem, walk, builder, formatOptions);\n}\n\nfunction formatBlock (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks });\n}\n\n/**\n * Process a data table.\n *\n * @type { FormatCallback }\n */\nfunction formatDataTable (elem, walk, builder, formatOptions) {\n  builder.openTable();\n  elem.children.forEach(walkTable);\n  builder.closeTable({\n    tableToString: (rows) => tableToString(rows, formatOptions.rowSpacing ?? 0, formatOptions.colSpacing ?? 3),\n    leadingLineBreaks: formatOptions.leadingLineBreaks,\n    trailingLineBreaks: formatOptions.trailingLineBreaks\n  });\n\n  function formatCell (cellNode) {\n    const colspan = +get(cellNode, ['attribs', 'colspan']) || 1;\n    const rowspan = +get(cellNode, ['attribs', 'rowspan']) || 1;\n    builder.openTableCell({ maxColumnWidth: formatOptions.maxColumnWidth });\n    walk(cellNode.children, builder);\n    builder.closeTableCell({ colspan: colspan, rowspan: rowspan });\n  }\n\n  function walkTable (elem) {\n    if (elem.type !== 'tag') { return; }\n\n    const formatHeaderCell = (formatOptions.uppercaseHeaderCells !== false)\n      ? (cellNode) => {\n        builder.pushWordTransform(str => str.toUpperCase());\n        formatCell(cellNode);\n        builder.popWordTransform();\n      }\n      : formatCell;\n\n    switch (elem.name) {\n      case 'thead':\n      case 'tbody':\n      case 'tfoot':\n      case 'center':\n        elem.children.forEach(walkTable);\n        return;\n\n      case 'tr': {\n        builder.openTableRow();\n        for (const childOfTr of elem.children) {\n          if (childOfTr.type !== 'tag') { continue; }\n          switch (childOfTr.name) {\n            case 'th': {\n              formatHeaderCell(childOfTr);\n              break;\n            }\n            case 'td': {\n              formatCell(childOfTr);\n              break;\n            }\n              // do nothing\n          }\n        }\n        builder.closeTableRow();\n        break;\n      }\n        // do nothing\n    }\n  }\n}\n\nvar textFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  anchor: formatAnchor,\n  blockquote: formatBlockquote,\n  dataTable: formatDataTable,\n  heading: formatHeading,\n  horizontalLine: formatHorizontalLine,\n  image: formatImage,\n  lineBreak: formatLineBreak,\n  orderedList: formatOrderedList,\n  paragraph: formatParagraph,\n  pre: formatPre,\n  table: formatTable,\n  unorderedList: formatUnorderedList,\n  wbr: formatWbr\n});\n\n/**\n * Default options.\n *\n * @constant\n * @type { Options }\n * @default\n * @private\n */\nconst DEFAULT_OPTIONS = {\n  baseElements: {\n    selectors: [ 'body' ],\n    orderBy: 'selectors', // 'selectors' | 'occurrence'\n    returnDomByDefault: true\n  },\n  decodeEntities: true,\n  encodeCharacters: {},\n  formatters: {},\n  limits: {\n    ellipsis: '...',\n    maxBaseElements: undefined,\n    maxChildNodes: undefined,\n    maxDepth: undefined,\n    maxInputLength: (1 << 24) // 16_777_216\n  },\n  longWordSplit: {\n    forceWrapOnLimit: false,\n    wrapCharacters: []\n  },\n  preserveNewlines: false,\n  selectors: [\n    { selector: '*', format: 'inline' },\n    {\n      selector: 'a',\n      format: 'anchor',\n      options: {\n        baseUrl: null,\n        hideLinkHrefIfSameAsText: false,\n        ignoreHref: false,\n        linkBrackets: ['[', ']'],\n        noAnchorUrl: true\n      }\n    },\n    { selector: 'article', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'aside', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'blockquote',\n      format: 'blockquote',\n      options: { leadingLineBreaks: 2, trailingLineBreaks: 2, trimEmptyLines: true }\n    },\n    { selector: 'br', format: 'lineBreak' },\n    { selector: 'div', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'footer', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'form', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'h1', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h2', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h3', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h4', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h5', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h6', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'header', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'hr',\n      format: 'horizontalLine',\n      options: { leadingLineBreaks: 2, length: undefined, trailingLineBreaks: 2 }\n    },\n 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uppercaseHeaderCells: true\n      }\n    },\n    {\n      selector: 'ul',\n      format: 'unorderedList',\n      options: { itemPrefix: ' * ', leadingLineBreaks: 2, trailingLineBreaks: 2 }\n    },\n    { selector: 'wbr', format: 'wbr' },\n  ],\n  tables: [], // deprecated\n  whitespaceCharacters: ' \\t\\r\\n\\f\\u200b',\n  wordwrap: 80\n};\n\nconst concatMerge = (acc, src, options) => [...acc, ...src];\nconst overwriteMerge = (acc, src, options) => [...src];\nconst selectorsMerge = (acc, src, options) => (\n  (acc.some(s => typeof s === 'object'))\n    ? concatMerge(acc, src) // selectors\n    : overwriteMerge(acc, src) // baseElements.selectors\n);\n\n/**\n * Preprocess options, compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options.\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile (options = {}) {\n  options = merge__default[\"default\"](\n    DEFAULT_OPTIONS,\n    options,\n    {\n      arrayMerge: overwriteMerge,\n      customMerge: (key) => ((key === 'selectors') ? selectorsMerge : undefined)\n    }\n  );\n  options.formatters = Object.assign({}, genericFormatters, textFormatters, options.formatters);\n  options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n\n  handleDeprecatedOptions(options);\n\n  return compile$1(options);\n}\n\n/**\n * Convert given HTML content to plain text string.\n *\n * @param   { string }  html           HTML content to convert.\n * @param   { Options } [options = {}] HtmlToText options.\n * @param   { any }     [metadata]     Optional metadata for HTML document, for use in formatters.\n * @returns { string }                 Plain text string.\n * @static\n *\n * @example\n * const { convert } = require('html-to-text');\n * const text = convert('<h1>Hello World</h1>', {\n *   wordwrap: 130\n * });\n * console.log(text); // HELLO WORLD\n */\nfunction convert (html, options = {}, metadata = undefined) {\n  return compile(options)(html, metadata);\n}\n\n/**\n * Map previously existing and now deprecated options to the new options layout.\n * This is a subject for cleanup in major releases.\n *\n * @param { Options } options HtmlToText options.\n */\nfunction handleDeprecatedOptions (options) {\n  if (options.tags) {\n    const tagDefinitions = Object.entries(options.tags).map(\n      ([selector, definition]) => ({ ...definition, selector: selector || '*' })\n    );\n    options.selectors.push(...tagDefinitions);\n    options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n  }\n\n  function set (obj, path, value) {\n    const valueKey = path.pop();\n    for (const key of path) {\n      let nested = obj[key];\n      if (!nested) {\n        nested = {};\n        obj[key] = nested;\n      }\n      obj = nested;\n    }\n    obj[valueKey] = value;\n  }\n\n  if 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Must be >= 1.\n * @param   { string } [baseChar = 'a'] Character for 1 in the sequence.\n * @param   { number } [base = 26]      Number of characters in the sequence.\n * @returns { string }\n */\nfunction numberToLetterSequence (num, baseChar = 'a', base = 26) {\n  const digits = [];\n  do {\n    num -= 1;\n    digits.push(num % base);\n    num = (num / base) >> 0; // quick `floor`\n  } while (num > 0);\n  const baseCode = baseChar.charCodeAt(0);\n  return digits\n    .reverse()\n    .map(n => String.fromCharCode(baseCode + n))\n    .join('');\n}\n\nconst I = ['I', 'X', 'C', 'M'];\nconst V = ['V', 'L', 'D'];\n\n/**\n * Convert a number to it's Roman representation. No large numbers extension.\n *\n * @param   { number } num Number to convert. `0 < num <= 3999`.\n * @returns { string }\n */\nfunction numberToRoman (num) {\n  return [...(num) + '']\n    .map(n => +n)\n    .reverse()\n    .map((v, i) => ((v % 5 < 4)\n      ? (v < 5 ? '' : V[i]) + I[i].repeat(v % 5)\n      : I[i] + (v < 5 ? V[i] : I[i + 1])))\n    .reverse()\n    .join('');\n}\n\n/**\n * Helps to build text from words.\n */\nclass InlineTextBuilder {\n  /**\n   * Creates an instance of InlineTextBuilder.\n   *\n   * If `maxLineLength` is not provided then it is either `options.wordwrap` or unlimited.\n   *\n   * @param { Options } options           HtmlToText options.\n   * @param { number }  [ maxLineLength ] This builder will try to wrap text to fit this line length.\n   */\n  constructor (options, maxLineLength = undefined) {\n    /** @type { string[][] } */\n    this.lines = [];\n    /** @type { string[] }   */\n    this.nextLineWords = [];\n    this.maxLineLength = maxLineLength || options.wordwrap || Number.MAX_VALUE;\n    this.nextLineAvailableChars = this.maxLineLength;\n    this.wrapCharacters = get(options, ['longWordSplit', 'wrapCharacters']) || [];\n    this.forceWrapOnLimit = get(options, ['longWordSplit', 'forceWrapOnLimit']) || false;\n\n    this.stashedSpace = false;\n    this.wordBreakOpportunity = false;\n  }\n\n  /**\n   * Add a new word.\n   *\n   * @param { string } word A word to add.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  pushWord (word, noWrap = false) {\n    if (this.nextLineAvailableChars <= 0 && !noWrap) {\n      this.startNewLine();\n    }\n    const isLineStart = this.nextLineWords.length === 0;\n    const cost = word.length + (isLineStart ? 0 : 1);\n    if ((cost <= this.nextLineAvailableChars) || noWrap) { // Fits into available budget\n\n      this.nextLineWords.push(word);\n      this.nextLineAvailableChars -= cost;\n\n    } else { // Does not fit - try to split the word\n\n      // The word is moved to a new line - prefer to wrap between words.\n      const [first, ...rest] = this.splitLongWord(word);\n      if (!isLineStart) { this.startNewLine(); }\n      this.nextLineWords.push(first);\n      this.nextLineAvailableChars -= first.length;\n      for (const part of rest) {\n        this.startNewLine();\n        this.nextLineWords.push(part);\n        this.nextLineAvailableChars -= part.length;\n      }\n\n    }\n  }\n\n  /**\n   * Pop a word from the currently built line.\n   * This doesn't affect completed lines.\n   *\n   * @returns { string }\n   */\n  popWord () {\n    const lastWord = this.nextLineWords.pop();\n    if (lastWord !== undefined) {\n      const isLineStart = this.nextLineWords.length === 0;\n      const cost = lastWord.length + (isLineStart ? 0 : 1);\n      this.nextLineAvailableChars += cost;\n    }\n    return lastWord;\n  }\n\n  /**\n   * Concat a word to the last word already in the builder.\n   * Adds a new word in case there are no words yet in the last line.\n   *\n   * @param { string } word A word to be concatenated.\n   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.\n   */\n  concatWord (word, noWrap = false) {\n    if (this.wordBreakOpportunity && word.length > this.nextLineAvailableChars) {\n      this.pushWord(word, noWrap);\n      this.wordBreakOpportunity = false;\n    } else {\n      const lastWord = this.popWord();\n      this.pushWord((lastWord) ? lastWord.concat(word) : word, noWrap);\n    }\n  }\n\n  /**\n   * Add current line (and more empty lines if provided argument > 1) to the list of complete lines and start a new one.\n   *\n   * @param { number } n Number of line breaks that will be added to the resulting string.\n   */\n  startNewLine (n = 1) {\n    this.lines.push(this.nextLineWords);\n    if (n > 1) {\n      this.lines.push(...Array.from({ length: n - 1 }, () => []));\n    }\n    this.nextLineWords = [];\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * No words in this builder.\n   *\n   * @returns { boolean }\n   */\n  isEmpty () {\n    return this.lines.length === 0\n        && this.nextLineWords.length === 0;\n  }\n\n  clear () {\n    this.lines.length = 0;\n    this.nextLineWords.length = 0;\n    this.nextLineAvailableChars = this.maxLineLength;\n  }\n\n  /**\n   * Join all lines of words inside the InlineTextBuilder into a complete string.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return [...this.lines, this.nextLineWords]\n      .map(words => words.join(' '))\n      .join('\\n');\n  }\n\n  /**\n   * Split a long word up to fit within the word wrap limit.\n   * Use either a character to split looking back from the word wrap limit,\n   * or truncate to the word wrap limit.\n   *\n   * @param   { string }   word Input word.\n   * @returns { string[] }      Parts of the word.\n   */\n  splitLongWord (word) {\n    const parts = [];\n    let idx = 0;\n    while (word.length > this.maxLineLength) {\n\n      const firstLine = word.substring(0, this.maxLineLength);\n      const remainingChars = word.substring(this.maxLineLength);\n\n      const splitIndex = firstLine.lastIndexOf(this.wrapCharacters[idx]);\n\n      if (splitIndex > -1) { // Found a character to split on\n\n        word = firstLine.substring(splitIndex + 1) + remainingChars;\n        parts.push(firstLine.substring(0, splitIndex + 1));\n\n      } else { // Not found a character to split on\n\n        idx++;\n        if (idx < this.wrapCharacters.length) { // There is next character to try\n\n          word = firstLine + remainingChars;\n\n        } else { // No more characters to try\n\n          if (this.forceWrapOnLimit) {\n            parts.push(firstLine);\n            word = remainingChars;\n            if (word.length > this.maxLineLength) {\n              continue;\n            }\n          } else {\n            word = firstLine + remainingChars;\n          }\n          break;\n\n        }\n\n      }\n\n    }\n    parts.push(word); // Add remaining part to array\n    return parts;\n  }\n}\n\n/* eslint-disable max-classes-per-file */\n\n\nclass StackItem {\n  constructor (next = null) { this.next = next; }\n\n  getRoot () { return (this.next) ? this.next : this; }\n}\n\nclass BlockStackItem extends StackItem {\n  constructor (options, next = null, leadingLineBreaks = 1, maxLineLength = undefined) {\n    super(next);\n    this.leadingLineBreaks = leadingLineBreaks;\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxLineLength);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass ListStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      interRowLineBreaks = 1,\n      leadingLineBreaks = 2,\n      maxLineLength = undefined,\n      maxPrefixLength = 0,\n      prefixAlign = 'left',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.maxPrefixLength = maxPrefixLength;\n    this.prefixAlign = prefixAlign;\n    this.interRowLineBreaks = interRowLineBreaks;\n  }\n}\n\nclass ListItemStackItem extends BlockStackItem {\n  constructor (\n    options,\n    next = null,\n    {\n      leadingLineBreaks = 1,\n      maxLineLength = undefined,\n      prefix = '',\n    } = {}\n  ) {\n    super(options, next, leadingLineBreaks, maxLineLength);\n    this.prefix = prefix;\n  }\n}\n\nclass TableStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.rows = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableRowStackItem extends StackItem {\n  constructor (next = null) {\n    super(next);\n    this.cells = [];\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TableCellStackItem extends StackItem {\n  constructor (options, next = null, maxColumnWidth = undefined) {\n    super(next);\n    this.inlineTextBuilder = new InlineTextBuilder(options, maxColumnWidth);\n    this.rawText = '';\n    this.stashedLineBreaks = 0;\n    this.isPre = next && next.isPre;\n    this.isNoWrap = next && next.isNoWrap;\n  }\n}\n\nclass TransformerStackItem extends StackItem {\n  constructor (next = null, transform) {\n    super(next);\n    this.transform = transform;\n  }\n}\n\nfunction charactersToCodes (str) {\n  return [...str]\n    .map(c => '\\\\u' + c.charCodeAt(0).toString(16).padStart(4, '0'))\n    .join('');\n}\n\n/**\n * Helps to handle HTML whitespaces.\n *\n * @class WhitespaceProcessor\n */\nclass WhitespaceProcessor {\n\n  /**\n   * Creates an instance of WhitespaceProcessor.\n   *\n   * @param { Options } options    HtmlToText options.\n   * @memberof WhitespaceProcessor\n   */\n  constructor (options) {\n    this.whitespaceChars = (options.preserveNewlines)\n      ? options.whitespaceCharacters.replace(/\\n/g, '')\n      : options.whitespaceCharacters;\n    const whitespaceCodes = charactersToCodes(this.whitespaceChars);\n    this.leadingWhitespaceRe = new RegExp(`^[${whitespaceCodes}]`);\n    this.trailingWhitespaceRe = new RegExp(`[${whitespaceCodes}]$`);\n    this.allWhitespaceOrEmptyRe = new RegExp(`^[${whitespaceCodes}]*$`);\n    this.newlineOrNonWhitespaceRe = new RegExp(`(\\\\n|[^\\\\n${whitespaceCodes}])`, 'g');\n    this.newlineOrNonNewlineStringRe = new RegExp(`(\\\\n|[^\\\\n]+)`, 'g');\n\n    if (options.preserveNewlines) {\n\n      const wordOrNewlineRe = new RegExp(`\\\\n|[^\\\\n${whitespaceCodes}]+`, 'gm');\n\n      /**\n       * Shrink whitespaces and wrap text, add to the builder.\n       *\n       * @param { string }                  text              Input text.\n       * @param { InlineTextBuilder }       inlineTextBuilder A builder to receive processed text.\n       * @param { (str: string) => string } [ transform ]     A transform to be applied to words.\n       * @param { boolean }                 [noWrap] Don't wrap text even if the line is too long.\n       */\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordOrNewlineRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (m[0] === '\\n') {\n            inlineTextBuilder.startNewLine();\n          } else if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordOrNewlineRe.exec(text)) !== null) {\n            if (m[0] === '\\n') {\n              inlineTextBuilder.startNewLine();\n            } else {\n              inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n            }\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || (this.testTrailingWhitespace(text));\n        // No need to stash a space in case last added item was a new line,\n        // but that won't affect anything later anyway.\n      };\n\n    } else {\n\n      const wordRe = new RegExp(`[^${whitespaceCodes}]+`, 'g');\n\n      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {\n        if (!text) { return; }\n        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n        let anyMatch = false;\n        let m = wordRe.exec(text);\n        if (m) {\n          anyMatch = true;\n          if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          } else {\n            inlineTextBuilder.concatWord(transform(m[0]), noWrap);\n          }\n          while ((m = wordRe.exec(text)) !== null) {\n            inlineTextBuilder.pushWord(transform(m[0]), noWrap);\n          }\n        }\n        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || this.testTrailingWhitespace(text);\n      };\n\n    }\n  }\n\n  /**\n   * Add text with only minimal processing.\n   * Everything between newlines considered a single word.\n   * No whitespace is trimmed.\n   * Not affected by preserveNewlines option - `\\n` always starts a new line.\n   *\n   * `noWrap` argument is `true` by default - this won't start a new line\n   * even if there is not enough space left in the current line.\n   *\n   * @param { string }            text              Input text.\n   * @param { InlineTextBuilder } inlineTextBuilder A builder to receive processed text.\n   * @param { boolean }           [noWrap] Don't wrap text even if the line is too long.\n   */\n  addLiteral (text, inlineTextBuilder, noWrap = true) {\n    if (!text) { return; }\n    const previouslyStashedSpace = inlineTextBuilder.stashedSpace;\n    let anyMatch = false;\n    let m = this.newlineOrNonNewlineStringRe.exec(text);\n    if (m) {\n      anyMatch = true;\n      if (m[0] === '\\n') {\n        inlineTextBuilder.startNewLine();\n      } else if (previouslyStashedSpace) {\n        inlineTextBuilder.pushWord(m[0], noWrap);\n      } else {\n        inlineTextBuilder.concatWord(m[0], noWrap);\n      }\n      while ((m = this.newlineOrNonNewlineStringRe.exec(text)) !== null) {\n        if (m[0] === '\\n') {\n          inlineTextBuilder.startNewLine();\n        } else {\n          inlineTextBuilder.pushWord(m[0], noWrap);\n        }\n      }\n    }\n    inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch);\n  }\n\n  /**\n   * Test whether the given text starts with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testLeadingWhitespace (text) {\n    return this.leadingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text ends with HTML whitespace character.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testTrailingWhitespace (text) {\n    return this.trailingWhitespaceRe.test(text);\n  }\n\n  /**\n   * Test whether the given text contains any non-whitespace characters.\n   *\n   * @param   { string }  text  The string to test.\n   * @returns { boolean }\n   */\n  testContainsWords (text) {\n    return !this.allWhitespaceOrEmptyRe.test(text);\n  }\n\n  /**\n   * Return the number of newlines if there are no words.\n   *\n   * If any word is found then return zero regardless of the actual number of newlines.\n   *\n   * @param   { string }  text  Input string.\n   * @returns { number }\n   */\n  countNewlinesNoWords (text) {\n    this.newlineOrNonWhitespaceRe.lastIndex = 0;\n    let counter = 0;\n    let match;\n    while ((match = this.newlineOrNonWhitespaceRe.exec(text)) !== null) {\n      if (match[0] === '\\n') {\n        counter++;\n      } else {\n        return 0;\n      }\n    }\n    return counter;\n  }\n\n}\n\n/**\n * Helps to build text from inline and block elements.\n *\n * @class BlockTextBuilder\n */\nclass BlockTextBuilder {\n\n  /**\n   * Creates an instance of BlockTextBuilder.\n   *\n   * @param { Options } options HtmlToText options.\n   * @param { import('selderee').Picker<DomNode, TagDefinition> } picker Selectors decision tree picker.\n   * @param { any} [metadata] Optional metadata for HTML document, for use in formatters.\n   */\n  constructor (options, picker, metadata = undefined) {\n    this.options = options;\n    this.picker = picker;\n    this.metadata = metadata;\n    this.whitespaceProcessor = new WhitespaceProcessor(options);\n    /** @type { StackItem } */\n    this._stackItem = new BlockStackItem(options);\n    /** @type { TransformerStackItem } */\n    this._wordTransformer = undefined;\n  }\n\n  /**\n   * Put a word-by-word transform function onto the transformations stack.\n   *\n   * Mainly used for uppercasing. Can be bypassed to add unformatted text such as URLs.\n   *\n   * Word transformations applied before wrapping.\n   *\n   * @param { (str: string) => string } wordTransform Word transformation function.\n   */\n  pushWordTransform (wordTransform) {\n    this._wordTransformer = new TransformerStackItem(this._wordTransformer, wordTransform);\n  }\n\n  /**\n   * Remove a function from the word transformations stack.\n   *\n   * @returns { (str: string) => string } A function that was removed.\n   */\n  popWordTransform () {\n    if (!this._wordTransformer) { return undefined; }\n    const transform = this._wordTransformer.transform;\n    this._wordTransformer = this._wordTransformer.next;\n    return transform;\n  }\n\n  /**\n   * Ignore wordwrap option in followup inline additions and disable automatic wrapping.\n   */\n  startNoWrap () {\n    this._stackItem.isNoWrap = true;\n  }\n\n  /**\n   * Return automatic wrapping to behavior defined by options.\n   */\n  stopNoWrap () {\n    this._stackItem.isNoWrap = false;\n  }\n\n  /** @returns { (str: string) => string } */\n  _getCombinedWordTransformer () {\n    const wt = (this._wordTransformer)\n      ? ((str) => applyTransformer(str, this._wordTransformer))\n      : undefined;\n    const ce = this.options.encodeCharacters;\n    return (wt)\n      ? ((ce) ? (str) => ce(wt(str)) : wt)\n      : ce;\n  }\n\n  _popStackItem () {\n    const item = this._stackItem;\n    this._stackItem = item.next;\n    return item;\n  }\n\n  /**\n   * Add a line break into currently built block.\n   */\n  addLineBreak () {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += '\\n';\n    } else {\n      this._stackItem.inlineTextBuilder.startNewLine();\n    }\n  }\n\n  /**\n   * Allow to break line in case directly following text will not fit.\n   */\n  addWordBreakOpportunity () {\n    if (\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    ) {\n      this._stackItem.inlineTextBuilder.wordBreakOpportunity = true;\n    }\n  }\n\n  /**\n   * Add a node inline into the currently built block.\n   *\n   * @param { string } str\n   * Text content of a node to add.\n   *\n   * @param { object } [param1]\n   * Object holding the parameters of the operation.\n   *\n   * @param { boolean } [param1.noWordTransform]\n   * Ignore word transformers if there are any.\n   * Don't encode characters as well.\n   * (Use this for things like URL addresses).\n   */\n  addInline (str, { noWordTransform = false } = {}) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (\n      str.length === 0 || // empty string\n      (\n        this._stackItem.stashedLineBreaks && // stashed linebreaks make whitespace irrelevant\n        !this.whitespaceProcessor.testContainsWords(str) // no words to add\n      )\n    ) { return; }\n\n    if (this.options.preserveNewlines) {\n      const newlinesNumber = this.whitespaceProcessor.countNewlinesNoWords(str);\n      if (newlinesNumber > 0) {\n        this._stackItem.inlineTextBuilder.startNewLine(newlinesNumber);\n        // keep stashedLineBreaks unchanged\n        return;\n      }\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.shrinkWrapAdd(\n      str,\n      this._stackItem.inlineTextBuilder,\n      (noWordTransform) ? undefined : this._getCombinedWordTransformer(),\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0; // inline text doesn't introduce line breaks\n  }\n\n  /**\n   * Add a string inline into the currently built block.\n   *\n   * Use this for markup elements that don't have to adhere\n   * to text layout rules.\n   *\n   * @param { string } str Text to add.\n   */\n  addLiteral (str) {\n    if (!(\n      this._stackItem instanceof BlockStackItem\n      || this._stackItem instanceof ListItemStackItem\n      || this._stackItem instanceof TableCellStackItem\n    )) { return; }\n\n    if (str.length === 0) { return; }\n\n    if (this._stackItem.isPre) {\n      this._stackItem.rawText += str;\n      return;\n    }\n\n    if (this._stackItem.stashedLineBreaks) {\n      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);\n    }\n    this.whitespaceProcessor.addLiteral(\n      str,\n      this._stackItem.inlineTextBuilder,\n      this._stackItem.isNoWrap\n    );\n    this._stackItem.stashedLineBreaks = 0;\n  }\n\n  /**\n   * Start building a new block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any preceding block.\n   *\n   * @param { number }  [param0.reservedLineLength]\n   * Reserve this number of characters on each line for block markup.\n   *\n   * @param { boolean } [param0.isPre]\n   * Should HTML whitespace be preserved inside this block.\n   */\n  openBlock ({ leadingLineBreaks = 1, reservedLineLength = 0, isPre = false } = {}) {\n    const maxLineLength = Math.max(20, this._stackItem.inlineTextBuilder.maxLineLength - reservedLineLength);\n    this._stackItem = new BlockStackItem(\n      this.options,\n      this._stackItem,\n      leadingLineBreaks,\n      maxLineLength\n    );\n    if (isPre) { this._stackItem.isPre = true; }\n  }\n\n  /**\n   * Finalize currently built block, add it's content to the parent block.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This block should have at least this number of line breaks to separate it from any following block.\n   *\n   * @param { (str: string) => string } [param0.blockTransform]\n   * A function to transform the block text before adding to the parent block.\n   * This happens after word wrap and should be used in combination with reserved line length\n   * in order to keep line lengths correct.\n   * Used for whole block markup.\n   */\n  closeBlock ({ trailingLineBreaks = 1, blockTransform = undefined } = {}) {\n    const block = this._popStackItem();\n    const blockText = (blockTransform) ? blockTransform(getText(block)) : getText(block);\n    addText(this._stackItem, blockText, block.leadingLineBreaks, Math.max(block.stashedLineBreaks, trailingLineBreaks));\n  }\n\n  /**\n   * Start building a new list.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.maxPrefixLength]\n   * Length of the longest list item prefix.\n   * If not supplied or too small then list items won't be aligned properly.\n   *\n   * @param { 'left' | 'right' } [param0.prefixAlign]\n   * Specify how prefixes of different lengths have to be aligned\n   * within a column.\n   *\n   * @param { number } [param0.interRowLineBreaks]\n   * Minimum number of line breaks between list items.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any preceding block.\n   */\n  openList ({ maxPrefixLength = 0, prefixAlign = 'left', interRowLineBreaks = 1, leadingLineBreaks = 2 } = {}) {\n    this._stackItem = new ListStackItem(this.options, this._stackItem, {\n      interRowLineBreaks: interRowLineBreaks,\n      leadingLineBreaks: leadingLineBreaks,\n      maxLineLength: this._stackItem.inlineTextBuilder.maxLineLength,\n      maxPrefixLength: maxPrefixLength,\n      prefixAlign: prefixAlign\n    });\n  }\n\n  /**\n   * Start building a new list item.\n   *\n   * @param {object} param0\n   * Object holding the parameters of the list item.\n   *\n   * @param { string } [param0.prefix]\n   * Prefix for this list item (item number, bullet point, etc).\n   */\n  openListItem ({ prefix = '' } = {}) {\n    if (!(this._stackItem instanceof ListStackItem)) {\n      throw new Error('Can\\'t add a list item to something that is not a list! Check the formatter.');\n    }\n    const list = this._stackItem;\n    const prefixLength = Math.max(prefix.length, list.maxPrefixLength);\n    const maxLineLength = Math.max(20, list.inlineTextBuilder.maxLineLength - prefixLength);\n    this._stackItem = new ListItemStackItem(this.options, list, {\n      prefix: prefix,\n      maxLineLength: maxLineLength,\n      leadingLineBreaks: list.interRowLineBreaks\n    });\n  }\n\n  /**\n   * Finalize currently built list item, add it's content to the parent list.\n   */\n  closeListItem () {\n    const listItem = this._popStackItem();\n    const list = listItem.next;\n\n    const prefixLength = Math.max(listItem.prefix.length, list.maxPrefixLength);\n    const spacing = '\\n' + ' '.repeat(prefixLength);\n    const prefix = (list.prefixAlign === 'right')\n      ? listItem.prefix.padStart(prefixLength)\n      : listItem.prefix.padEnd(prefixLength);\n    const text = prefix + getText(listItem).replace(/\\n/g, spacing);\n\n    addText(\n      list,\n      text,\n      listItem.leadingLineBreaks,\n      Math.max(listItem.stashedLineBreaks, list.interRowLineBreaks)\n    );\n  }\n\n  /**\n   * Finalize currently built list, add it's content to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the list.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This list should have at least this number of line breaks to separate it from any following block.\n   */\n  closeList ({ trailingLineBreaks = 2 } = {}) {\n    const list = this._popStackItem();\n    const text = getText(list);\n    if (text) {\n      addText(this._stackItem, text, list.leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Start building a table.\n   */\n  openTable () {\n    this._stackItem = new TableStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table row.\n   */\n  openTableRow () {\n    if (!(this._stackItem instanceof TableStackItem)) {\n      throw new Error('Can\\'t add a table row to something that is not a table! Check the formatter.');\n    }\n    this._stackItem = new TableRowStackItem(this._stackItem);\n  }\n\n  /**\n   * Start building a table cell.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.maxColumnWidth]\n   * Wrap cell content to this width. Fall back to global wordwrap value if undefined.\n   */\n  openTableCell ({ maxColumnWidth = undefined } = {}) {\n    if (!(this._stackItem instanceof TableRowStackItem)) {\n      throw new Error('Can\\'t add a table cell to something that is not a table row! Check the formatter.');\n    }\n    this._stackItem = new TableCellStackItem(this.options, this._stackItem, maxColumnWidth);\n  }\n\n  /**\n   * Finalize currently built table cell and add it to parent table row's cells.\n   *\n   * @param { object } [param0]\n   * Object holding the parameters of the cell.\n   *\n   * @param { number } [param0.colspan] How many columns this cell should occupy.\n   * @param { number } [param0.rowspan] How many rows this cell should occupy.\n   */\n  closeTableCell ({ colspan = 1, rowspan = 1 } = {}) {\n    const cell = this._popStackItem();\n    const text = trimCharacter(getText(cell), '\\n');\n    cell.next.cells.push({ colspan: colspan, rowspan: rowspan, text: text });\n  }\n\n  /**\n   * Finalize currently built table row and add it to parent table's rows.\n   */\n  closeTableRow () {\n    const row = this._popStackItem();\n    row.next.rows.push(row.cells);\n  }\n\n  /**\n   * Finalize currently built table and add the rendered text to the parent block.\n   *\n   * @param { object } param0\n   * Object holding the parameters of the table.\n   *\n   * @param { TablePrinter } param0.tableToString\n   * A function to convert a table of stringified cells into a complete table.\n   *\n   * @param { number } [param0.leadingLineBreaks]\n   * This table should have at least this number of line breaks to separate if from any preceding block.\n   *\n   * @param { number } [param0.trailingLineBreaks]\n   * This table should have at least this number of line breaks to separate it from any following block.\n   */\n  closeTable ({ tableToString, leadingLineBreaks = 2, trailingLineBreaks = 2 }) {\n    const table = this._popStackItem();\n    const output = tableToString(table.rows);\n    if (output) {\n      addText(this._stackItem, output, leadingLineBreaks, trailingLineBreaks);\n    }\n  }\n\n  /**\n   * Return the rendered text content of this builder.\n   *\n   * @returns { string }\n   */\n  toString () {\n    return getText(this._stackItem.getRoot());\n    // There should only be the root item if everything is closed properly.\n  }\n\n}\n\nfunction getText (stackItem) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can be requested for text contents.');\n  }\n  return (stackItem.inlineTextBuilder.isEmpty())\n    ? stackItem.rawText\n    : stackItem.rawText + stackItem.inlineTextBuilder.toString();\n}\n\nfunction addText (stackItem, text, leadingLineBreaks, trailingLineBreaks) {\n  if (!(\n    stackItem instanceof BlockStackItem\n    || stackItem instanceof ListItemStackItem\n    || stackItem instanceof TableCellStackItem\n  )) {\n    throw new Error('Only blocks, list items and table cells can contain text.');\n  }\n  const parentText = getText(stackItem);\n  const lineBreaks = Math.max(stackItem.stashedLineBreaks, leadingLineBreaks);\n  stackItem.inlineTextBuilder.clear();\n  if (parentText) {\n    stackItem.rawText = parentText + '\\n'.repeat(lineBreaks) + text;\n  } else {\n    stackItem.rawText = text;\n    stackItem.leadingLineBreaks = lineBreaks;\n  }\n  stackItem.stashedLineBreaks = trailingLineBreaks;\n}\n\n/**\n * @param { string } str A string to transform.\n * @param { TransformerStackItem } transformer A transformer item (with possible continuation).\n * @returns { string }\n */\nfunction applyTransformer (str, transformer) {\n  return ((transformer) ? applyTransformer(transformer.transform(str), transformer.next) : str);\n}\n\n/**\n * Compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options (defaults, formatters, user options merged, deduplicated).\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile$1 (options = {}) {\n  const selectorsWithoutFormat = options.selectors.filter(s => !s.format);\n  if (selectorsWithoutFormat.length) {\n    throw new Error(\n      'Following selectors have no specified format: ' +\n      selectorsWithoutFormat.map(s => `\\`${s.selector}\\``).join(', ')\n    );\n  }\n  const picker = new selderee.DecisionTree(\n    options.selectors.map(s => [s.selector, s])\n  ).build(pluginHtmlparser2.hp2Builder);\n\n  if (typeof options.encodeCharacters !== 'function') {\n    options.encodeCharacters = makeReplacerFromDict(options.encodeCharacters);\n  }\n\n  const baseSelectorsPicker = new selderee.DecisionTree(\n    options.baseElements.selectors.map((s, i) => [s, i + 1])\n  ).build(pluginHtmlparser2.hp2Builder);\n  function findBaseElements (dom) {\n    return findBases(dom, options, baseSelectorsPicker);\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk,\n    function (dom, builder) {\n      builder.addInline(options.limits.ellipsis || '');\n    }\n  );\n\n  return function (html, metadata = undefined) {\n    return process(html, metadata, options, picker, findBaseElements, limitedWalk);\n  };\n}\n\n\n/**\n * Convert given HTML according to preprocessed options.\n *\n * @param { string } html HTML content to convert.\n * @param { any } metadata Optional metadata for HTML document, for use in formatters.\n * @param { Options } options HtmlToText options (preprocessed).\n * @param { import('selderee').Picker<DomNode, TagDefinition> } picker\n * Tag definition picker for DOM nodes processing.\n * @param { (dom: DomNode[]) => DomNode[] } findBaseElements\n * Function to extract elements from HTML DOM\n * that will only be present in the output text.\n * @param { RecursiveCallback } walk Recursive callback.\n * @returns { string }\n */\nfunction process (html, metadata, options, picker, findBaseElements, walk) {\n  const maxInputLength = options.limits.maxInputLength;\n  if (maxInputLength && html && html.length > maxInputLength) {\n    console.warn(\n      `Input length ${html.length} is above allowed limit of ${maxInputLength}. Truncating without ellipsis.`\n    );\n    html = html.substring(0, maxInputLength);\n  }\n\n  const document = htmlparser2.parseDocument(html, { decodeEntities: options.decodeEntities });\n  const bases = findBaseElements(document.children);\n  const builder = new BlockTextBuilder(options, picker, metadata);\n  walk(bases, builder);\n  return builder.toString();\n}\n\n\nfunction findBases (dom, options, baseSelectorsPicker) {\n  const results = [];\n\n  function recursiveWalk (walk, /** @type { DomNode[] } */ dom) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    for (const elem of dom) {\n      if (elem.type !== 'tag') {\n        continue;\n      }\n      const pickedSelectorIndex = baseSelectorsPicker.pick1(elem);\n      if (pickedSelectorIndex > 0) {\n        results.push({ selectorIndex: pickedSelectorIndex, element: elem });\n      } else if (elem.children) {\n        walk(elem.children);\n      }\n      if (results.length >= options.limits.maxBaseElements) {\n        return;\n      }\n    }\n  }\n\n  const limitedWalk = limitedDepthRecursive(\n    options.limits.maxDepth,\n    recursiveWalk\n  );\n  limitedWalk(dom);\n\n  if (options.baseElements.orderBy !== 'occurrence') { // 'selectors'\n    results.sort((a, b) => a.selectorIndex - b.selectorIndex);\n  }\n  return (options.baseElements.returnDomByDefault && results.length === 0)\n    ? dom\n    : results.map(x => x.element);\n}\n\n/**\n * Function to walk through DOM nodes and accumulate their string representations.\n *\n * @param   { RecursiveCallback } walk    Recursive callback.\n * @param   { DomNode[] }         [dom]   Nodes array to process.\n * @param   { BlockTextBuilder }  builder Passed around to accumulate output text.\n * @private\n */\nfunction recursiveWalk (walk, dom, builder) {\n  if (!dom) { return; }\n\n  const options = builder.options;\n\n  const tooManyChildNodes = dom.length > options.limits.maxChildNodes;\n  if (tooManyChildNodes) {\n    dom = dom.slice(0, options.limits.maxChildNodes);\n    dom.push({\n      data: options.limits.ellipsis,\n      type: 'text'\n    });\n  }\n\n  for (const elem of dom) {\n    switch (elem.type) {\n      case 'text': {\n        builder.addInline(elem.data);\n        break;\n      }\n      case 'tag': {\n        const tagDefinition = builder.picker.pick1(elem);\n        const format = options.formatters[tagDefinition.format];\n        format(elem, walk, builder, tagDefinition.options || {});\n        break;\n      }\n    }\n  }\n\n  return;\n}\n\n/**\n * @param { Object<string,string | false> } dict\n * A dictionary where keys are characters to replace\n * and values are replacement strings.\n *\n * First code point from dict keys is used.\n * Compound emojis with ZWJ are not supported (not until Node 16).\n *\n * @returns { ((str: string) => string) | undefined }\n */\nfunction makeReplacerFromDict (dict) {\n  if (!dict || Object.keys(dict).length === 0) {\n    return undefined;\n  }\n  /** @type { [string, string][] } */\n  const entries = Object.entries(dict).filter(([, v]) => v !== false);\n  const regex = new RegExp(\n    entries\n      .map(([c]) => `(${unicodeEscape([...c][0])})`)\n      .join('|'),\n    'g'\n  );\n  const values = entries.map(([, v]) => v);\n  const replacer = (m, ...cgs) => values[cgs.findIndex(cg => cg)];\n  return (str) => str.replace(regex, replacer);\n}\n\n/**\n * Dummy formatter that discards the input and does nothing.\n *\n * @type { FormatCallback }\n */\nfunction formatSkip (elem, walk, builder, formatOptions) {\n  /* do nothing */\n}\n\n/**\n * Insert the given string literal inline instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineString (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.string || '');\n}\n\n/**\n * Insert a block with the given string literal instead of a tag.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockString (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addLiteral(formatOptions.string || '');\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process an inline-level element.\n *\n * @type { FormatCallback }\n */\nfunction formatInline (elem, walk, builder, formatOptions) {\n  walk(elem.children, builder);\n}\n\n/**\n * Process a block-level container.\n *\n * @type { FormatCallback }\n */\nfunction formatBlock$1 (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\nfunction renderOpenTag (elem) {\n  const attrs = (elem.attribs && elem.attribs.length)\n    ? ' ' + Object.entries(elem.attribs)\n      .map(([k, v]) => ((v === '') ? k : `${k}=${v.replace(/\"/g, '&quot;')}`))\n      .join(' ')\n    : '';\n  return `<${elem.name}${attrs}>`;\n}\n\nfunction renderCloseTag (elem) {\n  return `</${elem.name}>`;\n}\n\n/**\n * Render an element as inline HTML tag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineTag (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element as HTML block bag, walk through it's children.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockTag (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(renderOpenTag(elem));\n  builder.stopNoWrap();\n  walk(elem.children, builder);\n  builder.startNoWrap();\n  builder.addLiteral(renderCloseTag(elem));\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render an element with all it's children as inline HTML.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineHtml (elem, walk, builder, formatOptions) {\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n}\n\n/**\n * Render an element with all it's children as HTML block.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockHtml (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.startNoWrap();\n  builder.addLiteral(\n    domSerializer.render(elem, { decodeEntities: builder.options.decodeEntities })\n  );\n  builder.stopNoWrap();\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Render inline element wrapped with given strings.\n *\n * @type { FormatCallback }\n */\nfunction formatInlineSurround (elem, walk, builder, formatOptions) {\n  builder.addLiteral(formatOptions.prefix || '');\n  walk(elem.children, builder);\n  builder.addLiteral(formatOptions.suffix || '');\n}\n\nvar genericFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  block: formatBlock$1,\n  blockHtml: formatBlockHtml,\n  blockString: formatBlockString,\n  blockTag: formatBlockTag,\n  inline: formatInline,\n  inlineHtml: formatInlineHtml,\n  inlineString: formatInlineString,\n  inlineSurround: formatInlineSurround,\n  inlineTag: formatInlineTag,\n  skip: formatSkip\n});\n\nfunction getRow (matrix, j) {\n  if (!matrix[j]) { matrix[j] = []; }\n  return matrix[j];\n}\n\nfunction findFirstVacantIndex (row, x = 0) {\n  while (row[x]) { x++; }\n  return x;\n}\n\nfunction transposeInPlace (matrix, maxSize) {\n  for (let i = 0; i < maxSize; i++) {\n    const rowI = getRow(matrix, i);\n    for (let j = 0; j < i; j++) {\n      const rowJ = getRow(matrix, j);\n      if (rowI[j] || rowJ[i]) {\n        const temp = rowI[j];\n        rowI[j] = rowJ[i];\n        rowJ[i] = temp;\n      }\n    }\n  }\n}\n\nfunction putCellIntoLayout (cell, layout, baseRow, baseCol) {\n  for (let r = 0; r < cell.rowspan; r++) {\n    const layoutRow = getRow(layout, baseRow + r);\n    for (let c = 0; c < cell.colspan; c++) {\n      layoutRow[baseCol + c] = cell;\n    }\n  }\n}\n\nfunction getOrInitOffset (offsets, index) {\n  if (offsets[index] === undefined) {\n    offsets[index] = (index === 0) ? 0 : 1 + getOrInitOffset(offsets, index - 1);\n  }\n  return offsets[index];\n}\n\nfunction updateOffset (offsets, base, span, value) {\n  offsets[base + span] = Math.max(\n    getOrInitOffset(offsets, base + span),\n    getOrInitOffset(offsets, base) + value\n  );\n}\n\n/**\n * Render a table into a string.\n * Cells can contain multiline text and span across multiple rows and columns.\n *\n * Modifies cells to add lines array.\n *\n * @param { TablePrinterCell[][] } tableRows Table to render.\n * @param { number } rowSpacing Number of spaces between columns.\n * @param { number } colSpacing Number of empty lines between rows.\n * @returns { string }\n */\nfunction tableToString (tableRows, rowSpacing, colSpacing) {\n  const layout = [];\n  let colNumber = 0;\n  const rowNumber = tableRows.length;\n  const rowOffsets = [0];\n  // Fill the layout table and row offsets row-by-row.\n  for (let j = 0; j < rowNumber; j++) {\n    const layoutRow = getRow(layout, j);\n    const cells = tableRows[j];\n    let x = 0;\n    for (let i = 0; i < cells.length; i++) {\n      const cell = cells[i];\n      x = findFirstVacantIndex(layoutRow, x);\n      putCellIntoLayout(cell, layout, j, x);\n      x += cell.colspan;\n      cell.lines = cell.text.split('\\n');\n      const cellHeight = cell.lines.length;\n      updateOffset(rowOffsets, j, cell.rowspan, cellHeight + rowSpacing);\n    }\n    colNumber = (layoutRow.length > colNumber) ? layoutRow.length : colNumber;\n  }\n\n  transposeInPlace(layout, (rowNumber > colNumber) ? rowNumber : colNumber);\n\n  const outputLines = [];\n  const colOffsets = [0];\n  // Fill column offsets and output lines column-by-column.\n  for (let x = 0; x < colNumber; x++) {\n    let y = 0;\n    let cell;\n    const rowsInThisColumn = Math.min(rowNumber, layout[x].length);\n    while (y < rowsInThisColumn) {\n      cell = layout[x][y];\n      if (cell) {\n        if (!cell.rendered) {\n          let cellWidth = 0;\n          for (let j = 0; j < cell.lines.length; j++) {\n            const line = cell.lines[j];\n            const lineOffset = rowOffsets[y] + j;\n            outputLines[lineOffset] = (outputLines[lineOffset] || '').padEnd(colOffsets[x]) + line;\n            cellWidth = (line.length > cellWidth) ? line.length : cellWidth;\n          }\n          updateOffset(colOffsets, x, cell.colspan, cellWidth + colSpacing);\n          cell.rendered = true;\n        }\n        y += cell.rowspan;\n      } else {\n        const lineOffset = rowOffsets[y];\n        outputLines[lineOffset] = (outputLines[lineOffset] || '');\n        y++;\n      }\n    }\n  }\n\n  return outputLines.join('\\n');\n}\n\n/**\n * Process a line-break.\n *\n * @type { FormatCallback }\n */\nfunction formatLineBreak (elem, walk, builder, formatOptions) {\n  builder.addLineBreak();\n}\n\n/**\n * Process a `wbr` tag (word break opportunity).\n *\n * @type { FormatCallback }\n */\nfunction formatWbr (elem, walk, builder, formatOptions) {\n  builder.addWordBreakOpportunity();\n}\n\n/**\n * Process a horizontal line.\n *\n * @type { FormatCallback }\n */\nfunction formatHorizontalLine (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  builder.addInline('-'.repeat(formatOptions.length || builder.options.wordwrap || 40));\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a paragraph.\n *\n * @type { FormatCallback }\n */\nfunction formatParagraph (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a preformatted content.\n *\n * @type { FormatCallback }\n */\nfunction formatPre (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    isPre: true,\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a heading.\n *\n * @type { FormatCallback }\n */\nfunction formatHeading (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });\n  if (formatOptions.uppercase !== false) {\n    builder.pushWordTransform(str => str.toUpperCase());\n    walk(elem.children, builder);\n    builder.popWordTransform();\n  } else {\n    walk(elem.children, builder);\n  }\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });\n}\n\n/**\n * Process a blockquote.\n *\n * @type { FormatCallback }\n */\nfunction formatBlockquote (elem, walk, builder, formatOptions) {\n  builder.openBlock({\n    leadingLineBreaks: formatOptions.leadingLineBreaks || 2,\n    reservedLineLength: 2\n  });\n  walk(elem.children, builder);\n  builder.closeBlock({\n    trailingLineBreaks: formatOptions.trailingLineBreaks || 2,\n    blockTransform: str => ((formatOptions.trimEmptyLines !== false) ? trimCharacter(str, '\\n') : str)\n      .split('\\n')\n      .map(line => '> ' + line)\n      .join('\\n')\n  });\n}\n\nfunction withBrackets (str, brackets) {\n  if (!brackets) { return str; }\n\n  const lbr = (typeof brackets[0] === 'string')\n    ? brackets[0]\n    : '[';\n  const rbr = (typeof brackets[1] === 'string')\n    ? brackets[1]\n    : ']';\n  return lbr + str + rbr;\n}\n\nfunction pathRewrite (path, rewriter, baseUrl, metadata, elem) {\n  const modifiedPath = (typeof rewriter === 'function')\n    ? rewriter(path, metadata, elem)\n    : path;\n  return (modifiedPath[0] === '/' && baseUrl)\n    ? trimCharacterEnd(baseUrl, '/') + modifiedPath\n    : modifiedPath;\n}\n\n/**\n * Process an image.\n *\n * @type { FormatCallback }\n */\nfunction formatImage (elem, walk, builder, formatOptions) {\n  const attribs = elem.attribs || {};\n  const alt = (attribs.alt)\n    ? attribs.alt\n    : '';\n  const src = (!attribs.src)\n    ? ''\n    : pathRewrite(attribs.src, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n  const text = (!src)\n    ? alt\n    : (!alt)\n      ? withBrackets(src, formatOptions.linkBrackets)\n      : alt + ' ' + withBrackets(src, formatOptions.linkBrackets);\n\n  builder.addInline(text, { noWordTransform: true });\n}\n\n// a img baseUrl\n// a img pathRewrite\n// a img linkBrackets\n\n// a     ignoreHref: false\n//            ignoreText ?\n// a     noAnchorUrl: true\n//            can be replaced with selector\n// a     hideLinkHrefIfSameAsText: false\n//            how to compare, what to show (text, href, normalized) ?\n// a     mailto protocol removed without options\n\n// a     protocols: mailto, tel, ...\n//            can be matched with selector?\n\n// anchors, protocols - only if no pathRewrite fn is provided\n\n// normalize-url ?\n\n// a\n// a[href^=\"#\"] - format:skip by default\n// a[href^=\"mailto:\"] - ?\n\n/**\n * Process an anchor.\n *\n * @type { FormatCallback }\n */\nfunction formatAnchor (elem, walk, builder, formatOptions) {\n  function getHref () {\n    if (formatOptions.ignoreHref) { return ''; }\n    if (!elem.attribs || !elem.attribs.href) { return ''; }\n    let href = elem.attribs.href.replace(/^mailto:/, '');\n    if (formatOptions.noAnchorUrl && href[0] === '#') { return ''; }\n    href = pathRewrite(href, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);\n    return href;\n  }\n  const href = getHref();\n  if (!href) {\n    walk(elem.children, builder);\n  } else {\n    let text = '';\n    builder.pushWordTransform(\n      str => {\n        if (str) { text += str; }\n        return str;\n      }\n    );\n    walk(elem.children, builder);\n    builder.popWordTransform();\n\n    const hideSameLink = formatOptions.hideLinkHrefIfSameAsText && href === text;\n    if (!hideSameLink) {\n      builder.addInline(\n        (!text)\n          ? href\n          : ' ' + withBrackets(href, formatOptions.linkBrackets),\n        { noWordTransform: true }\n      );\n    }\n  }\n}\n\n/**\n * @param { DomNode }           elem               List items with their prefixes.\n * @param { RecursiveCallback } walk               Recursive callback to process child nodes.\n * @param { BlockTextBuilder }  builder            Passed around to accumulate output text.\n * @param { FormatOptions }     formatOptions      Options specific to a formatter.\n * @param { () => string }      nextPrefixCallback Function that returns increasing index each time it is called.\n */\nfunction formatList (elem, walk, builder, formatOptions, nextPrefixCallback) {\n  const isNestedList = get(elem, ['parent', 'name']) === 'li';\n\n  // With Roman numbers, index length is not as straightforward as with Arabic numbers or letters,\n  // so the dumb length comparison is the most robust way to get the correct value.\n  let maxPrefixLength = 0;\n  const listItems = (elem.children || [])\n    // it might be more accurate to check only for html spaces here, but no significant benefit\n    .filter(child => child.type !== 'text' || !/^\\s*$/.test(child.data))\n    .map(function (child) {\n      if (child.name !== 'li') {\n        return { node: child, prefix: '' };\n      }\n      const prefix = (isNestedList)\n        ? nextPrefixCallback().trimStart()\n        : nextPrefixCallback();\n      if (prefix.length > maxPrefixLength) { maxPrefixLength = prefix.length; }\n      return { node: child, prefix: prefix };\n    });\n  if (!listItems.length) { return; }\n\n  builder.openList({\n    interRowLineBreaks: 1,\n    leadingLineBreaks: isNestedList ? 1 : (formatOptions.leadingLineBreaks || 2),\n    maxPrefixLength: maxPrefixLength,\n    prefixAlign: 'left'\n  });\n\n  for (const { node, prefix } of listItems) {\n    builder.openListItem({ prefix: prefix });\n    walk([node], builder);\n    builder.closeListItem();\n  }\n\n  builder.closeList({ trailingLineBreaks: isNestedList ? 1 : (formatOptions.trailingLineBreaks || 2) });\n}\n\n/**\n * Process an unordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatUnorderedList (elem, walk, builder, formatOptions) {\n  const prefix = formatOptions.itemPrefix || ' * ';\n  return formatList(elem, walk, builder, formatOptions, () => prefix);\n}\n\n/**\n * Process an ordered list.\n *\n * @type { FormatCallback }\n */\nfunction formatOrderedList (elem, walk, builder, formatOptions) {\n  let nextIndex = Number(elem.attribs.start || '1');\n  const indexFunction = getOrderedListIndexFunction(elem.attribs.type);\n  const nextPrefixCallback = () => ' ' + indexFunction(nextIndex++) + '. ';\n  return formatList(elem, walk, builder, formatOptions, nextPrefixCallback);\n}\n\n/**\n * Return a function that can be used to generate index markers of a specified format.\n *\n * @param   { string } [olType='1'] Marker type.\n * @returns { (i: number) => string }\n */\nfunction getOrderedListIndexFunction (olType = '1') {\n  switch (olType) {\n    case 'a': return (i) => numberToLetterSequence(i, 'a');\n    case 'A': return (i) => numberToLetterSequence(i, 'A');\n    case 'i': return (i) => numberToRoman(i).toLowerCase();\n    case 'I': return (i) => numberToRoman(i);\n    case '1':\n    default: return (i) => (i).toString();\n  }\n}\n\n/**\n * Given a list of class and ID selectors (prefixed with '.' and '#'),\n * return them as separate lists of names without prefixes.\n *\n * @param { string[] } selectors Class and ID selectors (`[\".class\", \"#id\"]` etc).\n * @returns { { classes: string[], ids: string[] } }\n */\nfunction splitClassesAndIds (selectors) {\n  const classes = [];\n  const ids = [];\n  for (const selector of selectors) {\n    if (selector.startsWith('.')) {\n      classes.push(selector.substring(1));\n    } else if (selector.startsWith('#')) {\n      ids.push(selector.substring(1));\n    }\n  }\n  return { classes: classes, ids: ids };\n}\n\nfunction isDataTable (attr, tables) {\n  if (tables === true) { return true; }\n  if (!attr) { return false; }\n\n  const { classes, ids } = splitClassesAndIds(tables);\n  const attrClasses = (attr['class'] || '').split(' ');\n  const attrIds = (attr['id'] || '').split(' ');\n\n  return attrClasses.some(x => classes.includes(x)) || attrIds.some(x => ids.includes(x));\n}\n\n/**\n * Process a table (either as a container or as a data table, depending on options).\n *\n * @type { FormatCallback }\n */\nfunction formatTable (elem, walk, builder, formatOptions) {\n  return isDataTable(elem.attribs, builder.options.tables)\n    ? formatDataTable(elem, walk, builder, formatOptions)\n    : formatBlock(elem, walk, builder, formatOptions);\n}\n\nfunction formatBlock (elem, walk, builder, formatOptions) {\n  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks });\n  walk(elem.children, builder);\n  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks });\n}\n\n/**\n * Process a data table.\n *\n * @type { FormatCallback }\n */\nfunction formatDataTable (elem, walk, builder, formatOptions) {\n  builder.openTable();\n  elem.children.forEach(walkTable);\n  builder.closeTable({\n    tableToString: (rows) => tableToString(rows, formatOptions.rowSpacing ?? 0, formatOptions.colSpacing ?? 3),\n    leadingLineBreaks: formatOptions.leadingLineBreaks,\n    trailingLineBreaks: formatOptions.trailingLineBreaks\n  });\n\n  function formatCell (cellNode) {\n    const colspan = +get(cellNode, ['attribs', 'colspan']) || 1;\n    const rowspan = +get(cellNode, ['attribs', 'rowspan']) || 1;\n    builder.openTableCell({ maxColumnWidth: formatOptions.maxColumnWidth });\n    walk(cellNode.children, builder);\n    builder.closeTableCell({ colspan: colspan, rowspan: rowspan });\n  }\n\n  function walkTable (elem) {\n    if (elem.type !== 'tag') { return; }\n\n    const formatHeaderCell = (formatOptions.uppercaseHeaderCells !== false)\n      ? (cellNode) => {\n        builder.pushWordTransform(str => str.toUpperCase());\n        formatCell(cellNode);\n        builder.popWordTransform();\n      }\n      : formatCell;\n\n    switch (elem.name) {\n      case 'thead':\n      case 'tbody':\n      case 'tfoot':\n      case 'center':\n        elem.children.forEach(walkTable);\n        return;\n\n      case 'tr': {\n        builder.openTableRow();\n        for (const childOfTr of elem.children) {\n          if (childOfTr.type !== 'tag') { continue; }\n          switch (childOfTr.name) {\n            case 'th': {\n              formatHeaderCell(childOfTr);\n              break;\n            }\n            case 'td': {\n              formatCell(childOfTr);\n              break;\n            }\n              // do nothing\n          }\n        }\n        builder.closeTableRow();\n        break;\n      }\n        // do nothing\n    }\n  }\n}\n\nvar textFormatters = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  anchor: formatAnchor,\n  blockquote: formatBlockquote,\n  dataTable: formatDataTable,\n  heading: formatHeading,\n  horizontalLine: formatHorizontalLine,\n  image: formatImage,\n  lineBreak: formatLineBreak,\n  orderedList: formatOrderedList,\n  paragraph: formatParagraph,\n  pre: formatPre,\n  table: formatTable,\n  unorderedList: formatUnorderedList,\n  wbr: formatWbr\n});\n\n/**\n * Default options.\n *\n * @constant\n * @type { Options }\n * @default\n * @private\n */\nconst DEFAULT_OPTIONS = {\n  baseElements: {\n    selectors: [ 'body' ],\n    orderBy: 'selectors', // 'selectors' | 'occurrence'\n    returnDomByDefault: true\n  },\n  decodeEntities: true,\n  encodeCharacters: {},\n  formatters: {},\n  limits: {\n    ellipsis: '...',\n    maxBaseElements: undefined,\n    maxChildNodes: undefined,\n    maxDepth: undefined,\n    maxInputLength: (1 << 24) // 16_777_216\n  },\n  longWordSplit: {\n    forceWrapOnLimit: false,\n    wrapCharacters: []\n  },\n  preserveNewlines: false,\n  selectors: [\n    { selector: '*', format: 'inline' },\n    {\n      selector: 'a',\n      format: 'anchor',\n      options: {\n        baseUrl: null,\n        hideLinkHrefIfSameAsText: false,\n        ignoreHref: false,\n        linkBrackets: ['[', ']'],\n        noAnchorUrl: true\n      }\n    },\n    { selector: 'article', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'aside', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'blockquote',\n      format: 'blockquote',\n      options: { leadingLineBreaks: 2, trailingLineBreaks: 2, trimEmptyLines: true }\n    },\n    { selector: 'br', format: 'lineBreak' },\n    { selector: 'div', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'footer', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'form', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'h1', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h2', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h3', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h4', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h5', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'h6', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },\n    { selector: 'header', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'hr',\n      format: 'horizontalLine',\n      options: { leadingLineBreaks: 2, length: undefined, trailingLineBreaks: 2 }\n    },\n    {\n      selector: 'img',\n      format: 'image',\n      options: { baseUrl: null, linkBrackets: ['[', ']'] }\n    },\n    { selector: 'main', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    { selector: 'nav', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'ol',\n      format: 'orderedList',\n      options: { leadingLineBreaks: 2, trailingLineBreaks: 2 }\n    },\n    { selector: 'p', format: 'paragraph', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },\n    { selector: 'pre', format: 'pre', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },\n    { selector: 'section', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },\n    {\n      selector: 'table',\n      format: 'table',\n      options: {\n        colSpacing: 3,\n        leadingLineBreaks: 2,\n        maxColumnWidth: 60,\n        rowSpacing: 0,\n        trailingLineBreaks: 2,\n        uppercaseHeaderCells: true\n      }\n    },\n    {\n      selector: 'ul',\n      format: 'unorderedList',\n      options: { itemPrefix: ' * ', leadingLineBreaks: 2, trailingLineBreaks: 2 }\n    },\n    { selector: 'wbr', format: 'wbr' },\n  ],\n  tables: [], // deprecated\n  whitespaceCharacters: ' \\t\\r\\n\\f\\u200b',\n  wordwrap: 80\n};\n\nconst concatMerge = (acc, src, options) => [...acc, ...src];\nconst overwriteMerge = (acc, src, options) => [...src];\nconst selectorsMerge = (acc, src, options) => (\n  (acc.some(s => typeof s === 'object'))\n    ? concatMerge(acc, src) // selectors\n    : overwriteMerge(acc, src) // baseElements.selectors\n);\n\n/**\n * Preprocess options, compile selectors into a decision tree,\n * return a function intended for batch processing.\n *\n * @param   { Options } [options = {}]   HtmlToText options.\n * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.\n * @static\n */\nfunction compile (options = {}) {\n  options = merge__default[\"default\"](\n    DEFAULT_OPTIONS,\n    options,\n    {\n      arrayMerge: overwriteMerge,\n      customMerge: (key) => ((key === 'selectors') ? selectorsMerge : undefined)\n    }\n  );\n  options.formatters = Object.assign({}, genericFormatters, textFormatters, options.formatters);\n  options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n\n  handleDeprecatedOptions(options);\n\n  return compile$1(options);\n}\n\n/**\n * Convert given HTML content to plain text string.\n *\n * @param   { string }  html           HTML content to convert.\n * @param   { Options } [options = {}] HtmlToText options.\n * @param   { any }     [metadata]     Optional metadata for HTML document, for use in formatters.\n * @returns { string }                 Plain text string.\n * @static\n *\n * @example\n * const { convert } = require('html-to-text');\n * const text = convert('<h1>Hello World</h1>', {\n *   wordwrap: 130\n * });\n * console.log(text); // HELLO WORLD\n */\nfunction convert (html, options = {}, metadata = undefined) {\n  return compile(options)(html, metadata);\n}\n\n/**\n * Map previously existing and now deprecated options to the new options layout.\n * This is a subject for cleanup in major releases.\n *\n * @param { Options } options HtmlToText options.\n */\nfunction handleDeprecatedOptions (options) {\n  if (options.tags) {\n    const tagDefinitions = Object.entries(options.tags).map(\n      ([selector, definition]) => ({ ...definition, selector: selector || '*' })\n    );\n    options.selectors.push(...tagDefinitions);\n    options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));\n  }\n\n  function set (obj, path, value) {\n    const valueKey = path.pop();\n    for (const key of path) {\n      let nested = obj[key];\n      if (!nested) {\n        nested = {};\n        obj[key] = nested;\n      }\n      obj = nested;\n    }\n    obj[valueKey] = value;\n  }\n\n  if (options['baseElement']) {\n    const baseElement = options['baseElement'];\n    set(\n      options,\n      ['baseElements', 'selectors'],\n      (Array.isArray(baseElement) ? baseElement : [baseElement])\n    );\n  }\n  if (options['returnDomByDefault'] !== undefined) {\n    set(options, ['baseElements', 'returnDomByDefault'], options['returnDomByDefault']);\n  }\n\n  for (const definition of options.selectors) {\n    if (definition.format === 'anchor' && get(definition, ['options', 'noLinkBrackets'])) {\n      set(definition, ['options', 'linkBrackets'], false);\n    }\n  }\n}\n\nexports.compile = compile;\nexports.convert = convert;\nexports.htmlToText = convert;\n"],"names":[],"ignoreList":[0],"sourceRoot":""}\n//# sourceURL=webpack-internal:///(rsc)/./node_modules/html-to-text/lib/html-to-text.cjs\n");

/***/ })

};
;