snappymail/vendors/marked/marked.js

/*eslint max-len: "off"*/
/*eslint no-control-regex: "off"*/
/**
 * marked v14.0.0 - a markdown parser
 * Copyright (c) 2011-2024, Christopher Jeffrey. (MIT Licensed)
 * https://github.com/markedjs/marked
 *
 * modified for SnappyMail
 */

const marked = (() => {

	/**
	 * Gets the original marked default options.
	 */
	const _getDefaults = () => ({
		async: false,
		breaks: false,
		extensions: null,
		gfm: true,
		hooks: null,
		pedantic: false,
		renderer: null,
		silent: false,
		tokenizer: null,
		walkTokens: null,
	});
	var exports_defaults = _getDefaults();

	/**
	 * Helpers
	 */
	const escapeTest = /[&<>"']/;
	const escapeReplace = new RegExp(escapeTest.source, 'g');
	const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/;
	const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g');
	const escapeReplacements = {
		'&': '&amp;',
		'<': '&lt;',
		'>': '&gt;',
		'"': '&quot;',
		"'": '&#39;',
	};
	const getEscapeReplacement = (ch) => escapeReplacements[ch];
	const escape$1 = (html, encode) => {
		if (encode) {
			if (escapeTest.test(html)) {
				return html.replace(escapeReplace, getEscapeReplacement);
			}
		}
		else {
			if (escapeTestNoEncode.test(html)) {
				return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
			}
		}
		return html;
	};
	const caret = /(^|[^[])\^/g;
	const edit = (regex, opt) => {
		let source = typeof regex === 'string' ? regex : regex.source;
		opt = opt || '';
		const obj = {
			replace: (name, val) => {
				let valSource = typeof val === 'string' ? val : val.source;
				valSource = valSource.replace(caret, '$1');
				source = source.replace(name, valSource);
				return obj;
			},
			getRegex: () => {
				return new RegExp(source, opt);
			},
		};
		return obj;
	};
	const cleanUrl = (href) => {
		try {
			href = encodeURI(href).replace(/%25/g, '%');
		}
		catch {
			return null;
		}
		return href;
	};
	const noopTest = { exec: () => null };
	const splitCells = (tableRow, count) => {
		// ensure that every cell-delimiting pipe has a space
		// before it to distinguish it from an escaped pipe
		const row = tableRow.replace(/\|/g, (match, offset, str) => {
			let escaped = false;
			let curr = offset;
			while (--curr >= 0 && str[curr] === '\\')
				escaped = !escaped;
			if (escaped) {
				// odd number of slashes means | is escaped
				// so we leave it alone
				return '|';
			}
			else {
				// add space before unescaped |
				return ' |';
			}
		}), cells = row.split(/ \|/);
		let i = 0;
		// First/last cell in a row cannot be empty if it has no leading/trailing pipe
		if (!cells[0].trim()) {
			cells.shift();
		}
		if (cells.length > 0 && !cells[cells.length - 1].trim()) {
			cells.pop();
		}
		if (count) {
			if (cells.length > count) {
				cells.splice(count);
			}
			else {
				while (cells.length < count)
					cells.push('');
			}
		}
		for (; i < cells.length; i++) {
			// leading or trailing whitespace is ignored per the gfm spec
			cells[i] = cells[i].trim().replace(/\\\|/g, '|');
		}
		return cells;
	};
	/**
	 * Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
	 * /c*$/ is vulnerable to REDOS.
	 *
	 * @param str
	 * @param c
	 * @param invert Remove suffix of non-c chars instead. Default falsey.
	 */
	const rtrim = (str, c, invert) => {
		const l = str.length;
		if (l === 0) {
			return '';
		}
		// Length of suffix matching the invert condition.
		let suffLen = 0;
		// Step left until we fail to match the invert condition.
		while (suffLen < l) {
			const currChar = str.charAt(l - suffLen - 1);
			if (currChar === c && !invert) {
				suffLen++;
			}
			else if (currChar !== c && invert) {
				suffLen++;
			}
			else {
				break;
			}
		}
		return str.slice(0, l - suffLen);
	};
	const findClosingBracket = (str, b) => {
		if (str.indexOf(b[1]) === -1) {
			return -1;
		}
		let level = 0;
		for (let i = 0; i < str.length; i++) {
			if (str[i] === '\\') {
				i++;
			}
			else if (str[i] === b[0]) {
				level++;
			}
			else if (str[i] === b[1]) {
				level--;
				if (level < 0) {
					return i;
				}
			}
		}
		return -1;
	};

	const outputLink = (cap, link, raw, lexer) => {
		const href = link.href;
		const title = link.title ? escape$1(link.title) : null;
		const text = cap[1].replace(/\\([[\]])/g, '$1');
		if (cap[0].charAt(0) !== '!') {
			lexer.state.inLink = true;
			const token = {
				type: 'link',
				raw,
				href,
				title,
				text,
				tokens: lexer.inlineTokens(text),
			};
			lexer.state.inLink = false;
			return token;
		}
		return {
			type: 'image',
			raw,
			href,
			title,
			text: escape$1(text),
		};
	};
	const indentCodeCompensation = (raw, text) => {
		const matchIndentToCode = raw.match(/^(\s+)(?:```)/);
		if (matchIndentToCode === null) {
			return text;
		}
		const indentToCode = matchIndentToCode[1];
		return text
			.split('\n')
			.map(node => {
			const matchIndentInNode = node.match(/^\s+/);
			if (matchIndentInNode === null) {
				return node;
			}
			const [indentInNode] = matchIndentInNode;
			if (indentInNode.length >= indentToCode.length) {
				return node.slice(indentToCode.length);
			}
			return node;
		})
			.join('\n');
	};

	/**
	 * Tokenizer
	 */
	class _Tokenizer {
		constructor(options) {
			this.options = options || exports_defaults;
//			this.rules; // set by the lexer
//			this.lexer; // set by the lexer
		}
		space(src) {
			const cap = this.rules.block.newline.exec(src);
			if (cap && cap[0].length > 0) {
				return {
					type: 'space',
					raw: cap[0],
				};
			}
		}
		code(src) {
			const cap = this.rules.block.code.exec(src);
			if (cap) {
				const text = cap[0].replace(/^ {1,4}/gm, '');
				return {
					type: 'code',
					raw: cap[0],
					codeBlockStyle: 'indented',
					text: !this.options.pedantic
						? rtrim(text, '\n')
						: text,
				};
			}
		}
		fences(src) {
			const cap = this.rules.block.fences.exec(src);
			if (cap) {
				const raw = cap[0];
				const text = indentCodeCompensation(raw, cap[3] || '');
				return {
					type: 'code',
					raw,
					lang: cap[2] ? cap[2].trim().replace(this.rules.inline.anyPunctuation, '$1') : cap[2],
					text,
				};
			}
		}
		heading(src) {
			const cap = this.rules.block.heading.exec(src);
			if (cap) {
				let text = cap[2].trim();
				// remove trailing #s
				if (/#$/.test(text)) {
					const trimmed = rtrim(text, '#');
					if (this.options.pedantic) {
						text = trimmed.trim();
					}
					else if (!trimmed || / $/.test(trimmed)) {
						// CommonMark requires space before trailing #s
						text = trimmed.trim();
					}
				}
				return {
					type: 'heading',
					raw: cap[0],
					depth: cap[1].length,
					text,
					tokens: this.lexer.inline(text),
				};
			}
		}
		hr(src) {
			const cap = this.rules.block.hr.exec(src);
			if (cap) {
				return {
					type: 'hr',
					raw: rtrim(cap[0], '\n'),
				};
			}
		}
		blockquote(src) {
			const cap = this.rules.block.blockquote.exec(src);
			if (cap) {
				let lines = rtrim(cap[0], '\n').split('\n');
				let raw = '';
				let text = '';
				const tokens = [];
				while (lines.length > 0) {
					let inBlockquote = false;
					const currentLines = [];
					let i;
					for (i = 0; i < lines.length; i++) {
						// get lines up to a continuation
						if (/^ {0,3}>/.test(lines[i])) {
							currentLines.push(lines[i]);
							inBlockquote = true;
						}
						else if (!inBlockquote) {
							currentLines.push(lines[i]);
						}
						else {
							break;
						}
					}
					lines = lines.slice(i);
					const currentRaw = currentLines.join('\n');
					const currentText = currentRaw
						// precede setext continuation with 4 spaces so it isn't a setext
						.replace(/\n {0,3}((?:=+|-+) *)(?=\n|$)/g, '\n    $1')
						.replace(/^ {0,3}>[ \t]?/gm, '');
					raw = raw ? `${raw}\n${currentRaw}` : currentRaw;
					text = text ? `${text}\n${currentText}` : currentText;
					// parse blockquote lines as top level tokens
					// merge paragraphs if this is a continuation
					const top = this.lexer.state.top;
					this.lexer.state.top = true;
					this.lexer.blockTokens(currentText, tokens, true);
					this.lexer.state.top = top;
					// if there is no continuation then we are done
					if (lines.length === 0) {
						break;
					}
					const lastToken = tokens[tokens.length - 1];
					if (lastToken?.type === 'code') {
						// blockquote continuation cannot be preceded by a code block
						break;
					}
					else if (lastToken?.type === 'blockquote') {
						// include continuation in nested blockquote
						const oldToken = lastToken;
						const newText = oldToken.raw + '\n' + lines.join('\n');
						const newToken = this.blockquote(newText);
						tokens[tokens.length - 1] = newToken;
						raw = raw.substring(0, raw.length - oldToken.raw.length) + newToken.raw;
						text = text.substring(0, text.length - oldToken.text.length) + newToken.text;
						break;
					}
					else if (lastToken?.type === 'list') {
						// include continuation in nested list
						const oldToken = lastToken;
						const newText = oldToken.raw + '\n' + lines.join('\n');
						const newToken = this.list(newText);
						tokens[tokens.length - 1] = newToken;
						raw = raw.substring(0, raw.length - lastToken.raw.length) + newToken.raw;
						text = text.substring(0, text.length - oldToken.raw.length) + newToken.raw;
						lines = newText.substring(tokens[tokens.length - 1].raw.length).split('\n');
						continue;
					}
				}
				return {
					type: 'blockquote',
					raw,
					tokens,
					text,
				};
			}
		}
		list(src) {
			let cap = this.rules.block.list.exec(src);
			if (cap) {
				let bull = cap[1].trim();
				const isordered = bull.length > 1;
				const list = {
					type: 'list',
					raw: '',
					ordered: isordered,
					start: isordered ? +bull.slice(0, -1) : '',
					loose: false,
					items: [],
				};
				bull = isordered ? `\\d{1,9}\\${bull.slice(-1)}` : `\\${bull}`;
				if (this.options.pedantic) {
					bull = isordered ? bull : '[*+-]';
				}
				// Get next list item
				const itemRegex = new RegExp(`^( {0,3}${bull})((?:[\t ][^\\n]*)?(?:\\n|$))`);
				let endsWithBlankLine = false;
				// Check if current bullet point can start a new List Item
				while (src) {
					let endEarly = false;
					let raw = '';
					let itemContents = '';
					if (!(cap = itemRegex.exec(src))) {
						break;
					}
					if (this.rules.block.hr.test(src)) { // End list if bullet was actually HR (possibly move into itemRegex?)
						break;
					}
					raw = cap[0];
					src = src.substring(raw.length);
					let line = cap[2].split('\n', 1)[0].replace(/^\t+/, (t) => ' '.repeat(3 * t.length));
					let nextLine = src.split('\n', 1)[0];
					let blankLine = !line.trim();
					let indent = 0;
					if (this.options.pedantic) {
						indent = 2;
						itemContents = line.trimStart();
					}
					else if (blankLine) {
						indent = cap[1].length + 1;
					}
					else {
						indent = cap[2].search(/[^ ]/); // Find first non-space char
						indent = indent > 4 ? 1 : indent; // Treat indented code blocks (> 4 spaces) as having only 1 indent
						itemContents = line.slice(indent);
						indent += cap[1].length;
					}
					if (blankLine && /^ *$/.test(nextLine)) { // Items begin with at most one blank line
						raw += nextLine + '\n';
						src = src.substring(nextLine.length + 1);
						endEarly = true;
					}
					if (!endEarly) {
						const nextBulletRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:[*+-]|\\d{1,9}[.)])((?:[ \t][^\\n]*)?(?:\\n|$))`);
						const hrRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`);
						const fencesBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:\`\`\`|~~~)`); //`
						const headingBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}#`);
						// Check if following lines should be included in List Item
						while (src) {
							const rawLine = src.split('\n', 1)[0];
							nextLine = rawLine;
							// Re-align to follow commonmark nesting rules
							if (this.options.pedantic) {
								nextLine = nextLine.replace(/^ {1,4}(?=( {4})*[^ ])/g, '  ');
							}
							// End list item if found code fences
							if (fencesBeginRegex.test(nextLine)) {
								break;
							}
							// End list item if found start of new heading
							if (headingBeginRegex.test(nextLine)) {
								break;
							}
							// End list item if found start of new bullet
							if (nextBulletRegex.test(nextLine)) {
								break;
							}
							// Horizontal rule found
							if (hrRegex.test(src)) {
								break;
							}
							if (nextLine.search(/[^ ]/) >= indent || !nextLine.trim()) { // Dedent if possible
								itemContents += '\n' + nextLine.slice(indent);
							}
							else {
								// not enough indentation
								if (blankLine) {
									break;
								}
								// paragraph continuation unless last line was a different block level element
								if (line.search(/[^ ]/) >= 4) { // indented code block
									break;
								}
								if (fencesBeginRegex.test(line)) {
									break;
								}
								if (headingBeginRegex.test(line)) {
									break;
								}
								if (hrRegex.test(line)) {
									break;
								}
								itemContents += '\n' + nextLine;
							}
							if (!blankLine && !nextLine.trim()) { // Check if current line is blank
								blankLine = true;
							}
							raw += rawLine + '\n';
							src = src.substring(rawLine.length + 1);
							line = nextLine.slice(indent);
						}
					}
					if (!list.loose) {
						// If the previous item ended with a blank line, the list is loose
						if (endsWithBlankLine) {
							list.loose = true;
						}
						else if (/\n *\n *$/.test(raw)) {
							endsWithBlankLine = true;
						}
					}
					let istask = null;
					let ischecked;
					// Check for task list items
					if (this.options.gfm) {
						istask = /^\[[ xX]\] /.exec(itemContents);
						if (istask) {
							ischecked = istask[0] !== '[ ] ';
							itemContents = itemContents.replace(/^\[[ xX]\] +/, '');
						}
					}
					list.items.push({
						type: 'list_item',
						raw,
						task: !!istask,
						checked: ischecked,
						loose: false,
						text: itemContents,
						tokens: [],
					});
					list.raw += raw;
				}
				// Do not consume newlines at end of final item. Alternatively, make itemRegex *start* with any newlines to simplify/speed up endsWithBlankLine logic
				list.items[list.items.length - 1].raw = list.items[list.items.length - 1].raw.trimEnd();
				list.items[list.items.length - 1].text = list.items[list.items.length - 1].text.trimEnd();
				list.raw = list.raw.trimEnd();
				// Item child tokens handled here at end because we needed to have the final item to trim it first
				for (let i = 0; i < list.items.length; i++) {
					this.lexer.state.top = false;
					list.items[i].tokens = this.lexer.blockTokens(list.items[i].text, []);
					if (!list.loose) {
						// Check if list should be loose
						const spacers = list.items[i].tokens.filter(t => t.type === 'space');
						const hasMultipleLineBreaks = spacers.length > 0 && spacers.some(t => /\n.*\n/.test(t.raw));
						list.loose = hasMultipleLineBreaks;
					}
				}
				// Set all items to loose if list is loose
				if (list.loose) {
					for (let i = 0; i < list.items.length; i++) {
						list.items[i].loose = true;
					}
				}
				return list;
			}
		}
		html(src) {
			const cap = this.rules.block.html.exec(src);
			if (cap) {
				const token = {
					type: 'html',
					block: true,
					raw: cap[0],
					pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style',
					text: cap[0],
				};
				return token;
			}
		}
		def(src) {
			const cap = this.rules.block.def.exec(src);
			if (cap) {
				const tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
				const href = cap[2] ? cap[2].replace(/^<(.*)>$/, '$1').replace(this.rules.inline.anyPunctuation, '$1') : '';
				const title = cap[3] ? cap[3].substring(1, cap[3].length - 1).replace(this.rules.inline.anyPunctuation, '$1') : cap[3];
				return {
					type: 'def',
					tag,
					raw: cap[0],
					href,
					title,
				};
			}
		}
		table(src) {
			const cap = this.rules.block.table.exec(src);
			if (!cap) {
				return;
			}
			if (!/[:|]/.test(cap[2])) {
				// delimiter row must have a pipe (|) or colon (:) otherwise it is a setext heading
				return;
			}
			const headers = splitCells(cap[1]);
			const aligns = cap[2].replace(/^\||\| *$/g, '').split('|');
			const rows = cap[3] && cap[3].trim() ? cap[3].replace(/\n[ \t]*$/, '').split('\n') : [];
			const item = {
				type: 'table',
				raw: cap[0],
				header: [],
				align: [],
				rows: [],
			};
			if (headers.length !== aligns.length) {
				// header and align columns must be equal, rows can be different.
				return;
			}
			for (const align of aligns) {
				if (/^ *-+: *$/.test(align)) {
					item.align.push('right');
				}
				else if (/^ *:-+: *$/.test(align)) {
					item.align.push('center');
				}
				else if (/^ *:-+ *$/.test(align)) {
					item.align.push('left');
				}
				else {
					item.align.push(null);
				}
			}
			for (let i = 0; i < headers.length; i++) {
				item.header.push({
					text: headers[i],
					tokens: this.lexer.inline(headers[i]),
					header: true,
					align: item.align[i],
				});
			}
			for (const row of rows) {
				item.rows.push(splitCells(row, item.header.length).map((cell, i) => {
					return {
						text: cell,
						tokens: this.lexer.inline(cell),
						header: false,
						align: item.align[i],
					};
				}));
			}
			return item;
		}
		lheading(src) {
			const cap = this.rules.block.lheading.exec(src);
			if (cap) {
				return {
					type: 'heading',
					raw: cap[0],
					depth: cap[2].charAt(0) === '=' ? 1 : 2,
					text: cap[1],
					tokens: this.lexer.inline(cap[1]),
				};
			}
		}
		paragraph(src) {
			const cap = this.rules.block.paragraph.exec(src);
			if (cap) {
				const text = cap[1].charAt(cap[1].length - 1) === '\n'
					? cap[1].slice(0, -1)
					: cap[1];
				return {
					type: 'paragraph',
					raw: cap[0],
					text,
					tokens: this.lexer.inline(text),
				};
			}
		}
		text(src) {
			const cap = this.rules.block.text.exec(src);
			if (cap) {
				return {
					type: 'text',
					raw: cap[0],
					text: cap[0],
					tokens: this.lexer.inline(cap[0]),
				};
			}
		}
		escape(src) {
			const cap = this.rules.inline.escape.exec(src);
			if (cap) {
				return {
					type: 'escape',
					raw: cap[0],
					text: escape$1(cap[1]),
				};
			}
		}
		tag(src) {
			const cap = this.rules.inline.tag.exec(src);
			if (cap) {
				if (!this.lexer.state.inLink && /^<a /i.test(cap[0])) {
					this.lexer.state.inLink = true;
				}
				else if (this.lexer.state.inLink && /^<\/a>/i.test(cap[0])) {
					this.lexer.state.inLink = false;
				}
				if (!this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
					this.lexer.state.inRawBlock = true;
				}
				else if (this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
					this.lexer.state.inRawBlock = false;
				}
				return {
					type: 'html',
					raw: cap[0],
					inLink: this.lexer.state.inLink,
					inRawBlock: this.lexer.state.inRawBlock,
					block: false,
					text: cap[0],
				};
			}
		}
		link(src) {
			const cap = this.rules.inline.link.exec(src);
			if (cap) {
				const trimmedUrl = cap[2].trim();
				if (!this.options.pedantic && /^</.test(trimmedUrl)) {
					// commonmark requires matching angle brackets
					if (!(/>$/.test(trimmedUrl))) {
						return;
					}
					// ending angle bracket cannot be escaped
					const rtrimSlash = rtrim(trimmedUrl.slice(0, -1), '\\');
					if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) {
						return;
					}
				}
				else {
					// find closing parenthesis
					const lastParenIndex = findClosingBracket(cap[2], '()');
					if (lastParenIndex > -1) {
						const start = cap[0].indexOf('!') === 0 ? 5 : 4;
						const linkLen = start + cap[1].length + lastParenIndex;
						cap[2] = cap[2].substring(0, lastParenIndex);
						cap[0] = cap[0].substring(0, linkLen).trim();
						cap[3] = '';
					}
				}
				let href = cap[2];
				let title = '';
				if (this.options.pedantic) {
					// split pedantic href and title
					const link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);
					if (link) {
						href = link[1];
						title = link[3];
					}
				}
				else {
					title = cap[3] ? cap[3].slice(1, -1) : '';
				}
				href = href.trim();
				if (/^</.test(href)) {
					if (this.options.pedantic && !(/>$/.test(trimmedUrl))) {
						// pedantic allows starting angle bracket without ending angle bracket
						href = href.slice(1);
					}
					else {
						href = href.slice(1, -1);
					}
				}
				return outputLink(cap, {
					href: href ? href.replace(this.rules.inline.anyPunctuation, '$1') : href,
					title: title ? title.replace(this.rules.inline.anyPunctuation, '$1') : title,
				}, cap[0], this.lexer);
			}
		}
		reflink(src, links) {
			let cap;
			if ((cap = this.rules.inline.reflink.exec(src))
				|| (cap = this.rules.inline.nolink.exec(src))) {
				const linkString = (cap[2] || cap[1]).replace(/\s+/g, ' ');
				const link = links[linkString.toLowerCase()];
				if (!link) {
					const text = cap[0].charAt(0);
					return {
						type: 'text',
						raw: text,
						text,
					};
				}
				return outputLink(cap, link, cap[0], this.lexer);
			}
		}
		emStrong(src, maskedSrc, prevChar = '') {
			let match = this.rules.inline.emStrongLDelim.exec(src);
			if (!match)
				return;
			// _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well
			if (match[3] && prevChar.match(/[\p{L}\p{N}]/u))
				return;
			const nextChar = match[1] || match[2] || '';
			if (!nextChar || !prevChar || this.rules.inline.punctuation.exec(prevChar)) {
				// unicode Regex counts emoji as 1 char; spread into array for proper count (used multiple times below)
				const lLength = [...match[0]].length - 1;
				let rDelim, rLength, delimTotal = lLength, midDelimTotal = 0;
				const endReg = match[0][0] === '*' ? this.rules.inline.emStrongRDelimAst : this.rules.inline.emStrongRDelimUnd;
				endReg.lastIndex = 0;
				// Clip maskedSrc to same section of string as src (move to lexer?)
				maskedSrc = maskedSrc.slice(-1 * src.length + lLength);
				while ((match = endReg.exec(maskedSrc)) != null) {
					rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6];
					if (!rDelim)
						continue; // skip single * in __abc*abc__
					rLength = [...rDelim].length;
					if (match[3] || match[4]) { // found another Left Delim
						delimTotal += rLength;
						continue;
					}
					else if (match[5] || match[6]) { // either Left or Right Delim
						if (lLength % 3 && !((lLength + rLength) % 3)) {
							midDelimTotal += rLength;
							continue; // CommonMark Emphasis Rules 9-10
						}
					}
					delimTotal -= rLength;
					if (delimTotal > 0)
						continue; // Haven't found enough closing delimiters
					// Remove extra characters. *a*** -> *a*
					rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal);
					// char length can be >1 for unicode characters;
					const lastCharLength = [...match[0]][0].length;
					const raw = src.slice(0, lLength + match.index + lastCharLength + rLength);
					// Create `em` if smallest delimiter has odd char count. *a***
					if (Math.min(lLength, rLength) % 2) {
						const text = raw.slice(1, -1);
						return {
							type: 'em',
							raw,
							text,
							tokens: this.lexer.inlineTokens(text),
						};
					}
					// Create 'strong' if smallest delimiter has even char count. **a***
					const text = raw.slice(2, -2);
					return {
						type: 'strong',
						raw,
						text,
						tokens: this.lexer.inlineTokens(text),
					};
				}
			}
		}
		codespan(src) {
			const cap = this.rules.inline.code.exec(src);
			if (cap) {
				let text = cap[2].replace(/\n/g, ' ');
				const hasNonSpaceChars = /[^ ]/.test(text);
				const hasSpaceCharsOnBothEnds = /^ /.test(text) && / $/.test(text);
				if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) {
					text = text.substring(1, text.length - 1);
				}
				text = escape$1(text, true);
				return {
					type: 'codespan',
					raw: cap[0],
					text,
				};
			}
		}
		br(src) {
			const cap = this.rules.inline.br.exec(src);
			if (cap) {
				return {
					type: 'br',
					raw: cap[0],
				};
			}
		}
		del(src) {
			const cap = this.rules.inline.del.exec(src);
			if (cap) {
				return {
					type: 'del',
					raw: cap[0],
					text: cap[2],
					tokens: this.lexer.inlineTokens(cap[2]),
				};
			}
		}
		autolink(src) {
			const cap = this.rules.inline.autolink.exec(src);
			if (cap) {
				let text, href;
				if (cap[2] === '@') {
					text = escape$1(cap[1]);
					href = 'mailto:' + text;
				}
				else {
					text = escape$1(cap[1]);
					href = text;
				}
				return {
					type: 'link',
					raw: cap[0],
					text,
					href,
					tokens: [
						{
							type: 'text',
							raw: text,
							text,
						},
					],
				};
			}
		}
		url(src) {
			let cap;
			if (cap = this.rules.inline.url.exec(src)) {
				let text, href;
				if (cap[2] === '@') {
					text = escape$1(cap[0]);
					href = 'mailto:' + text;
				}
				else {
					// do extended autolink path validation
					let prevCapZero;
					do {
						prevCapZero = cap[0];
						cap[0] = this.rules.inline._backpedal.exec(cap[0])?.[0] ?? '';
					} while (prevCapZero !== cap[0]);
					text = escape$1(cap[0]);
					if (cap[1] === 'www.') {
						href = 'http://' + cap[0];
					}
					else {
						href = cap[0];
					}
				}
				return {
					type: 'link',
					raw: cap[0],
					text,
					href,
					tokens: [
						{
							type: 'text',
							raw: text,
							text,
						},
					],
				};
			}
		}
		inlineText(src) {
			const cap = this.rules.inline.text.exec(src);
			if (cap) {
				let text;
				if (this.lexer.state.inRawBlock) {
					text = cap[0];
				}
				else {
					text = escape$1(cap[0]);
				}
				return {
					type: 'text',
					raw: cap[0],
					text,
				};
			}
		}
	}

	/**
	 * Block-Level Grammar
	 */
	const newline = /^(?: *(?:\n|$))+/;
	const blockCode = /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/;
	const fences = /^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})([^\n]*)(?:\n|$)(?:|([\s\S]*?)(?:\n|$))(?: {0,3}\1[~`]* *(?=\n|$)|$)/;
	const hr = /^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/;
	const heading = /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/;
	const bullet = /(?:[*+-]|\d{1,9}[.)])/;
	const lheading = edit(/^(?!bull |blockCode|fences|blockquote|heading|html)((?:.|\n(?!\s*?\n|bull |blockCode|fences|blockquote|heading|html))+?)\n {0,3}(=+|-+) *(?:\n+|$)/)
		.replace(/bull/g, bullet) // lists can interrupt
		.replace(/blockCode/g, / {4}/) // indented code blocks can interrupt
		.replace(/fences/g, / {0,3}(?:`{3,}|~{3,})/) // fenced code blocks can interrupt
		.replace(/blockquote/g, / {0,3}>/) // blockquote can interrupt
		.replace(/heading/g, / {0,3}#{1,6}/) // ATX heading can interrupt
		.replace(/html/g, / {0,3}<[^\n>]+>\n/) // block html can interrupt
		.getRegex();
	const _paragraph = /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/;
	const blockText = /^[^\n]+/;
	const _blockLabel = /(?!\s*\])(?:\\.|[^[\]\\])+/;
	const def = edit(/^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/)
		.replace('label', _blockLabel)
		.replace('title', /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/)
		.getRegex();
	const list = edit(/^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/)
		.replace(/bull/g, bullet)
		.getRegex();
	const _tag = 'address|article|aside|base|basefont|blockquote|body|caption'
		+ '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption'
		+ '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe'
		+ '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option'
		+ '|p|param|search|section|summary|table|tbody|td|tfoot|th|thead|title'
		+ '|tr|track|ul';
	const _comment = /<!--(?:-?>|[\s\S]*?(?:-->|$))/;
	const html = edit('^ {0,3}(?:' // optional indentation
		+ '<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
		+ '|comment[^\\n]*(\\n+|$)' // (2)
		+ '|<\\?[\\s\\S]*?(?:\\?>\\n*|$)' // (3)
		+ '|<![A-Z][\\s\\S]*?(?:>\\n*|$)' // (4)
		+ '|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)' // (5)
		+ '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (6)
		+ '|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) open tag
		+ '|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) closing tag
		+ ')', 'i')
		.replace('comment', _comment)
		.replace('tag', _tag)
		.replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/)
		.getRegex();
	const paragraph = edit(_paragraph)
		.replace('hr', hr)
		.replace('heading', ' {0,3}#{1,6}(?:\\s|$)')
		.replace('|lheading', '') // setext headings don't interrupt commonmark paragraphs
		.replace('|table', '')
		.replace('blockquote', ' {0,3}>')
		.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
		.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
		.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)')
		.replace('tag', _tag) // pars can be interrupted by type (6) html blocks
		.getRegex();
	const blockquote = edit(/^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/)
		.replace('paragraph', paragraph)
		.getRegex();
	/**
	 * Normal Block Grammar
	 */
	const blockNormal = {
		blockquote,
		code: blockCode,
		def,
		fences,
		heading,
		hr,
		html,
		lheading,
		list,
		newline,
		paragraph,
		table: noopTest,
		text: blockText,
	};
	/**
	 * GFM Block Grammar
	 */
	const gfmTable = edit('^ *([^\\n ].*)\\n' // Header
		+ ' {0,3}((?:\\| *)?:?-+:? *(?:\\| *:?-+:? *)*(?:\\| *)?)' // Align
		+ '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)') // Cells
		.replace('hr', hr)
		.replace('heading', ' {0,3}#{1,6}(?:\\s|$)')
		.replace('blockquote', ' {0,3}>')
		.replace('code', ' {4}[^\\n]')
		.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
		.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
		.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)')
		.replace('tag', _tag) // tables can be interrupted by type (6) html blocks
		.getRegex();
	const blockGfm = {
		...blockNormal,
		table: gfmTable,
		paragraph: edit(_paragraph)
			.replace('hr', hr)
			.replace('heading', ' {0,3}#{1,6}(?:\\s|$)')
			.replace('|lheading', '') // setext headings don't interrupt commonmark paragraphs
			.replace('table', gfmTable) // interrupt paragraphs with table
			.replace('blockquote', ' {0,3}>')
			.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
			.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
			.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)')
			.replace('tag', _tag) // pars can be interrupted by type (6) html blocks
			.getRegex(),
	};
	/**
	 * Pedantic grammar (original John Gruber's loose markdown specification)
	 */
	const blockPedantic = {
		...blockNormal,
		html: edit('^ *(?:comment *(?:\\n|\\s*$)'
			+ '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
			+ '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))')
			.replace('comment', _comment)
			.replace(/tag/g, '(?!(?:'
			+ 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub'
			+ '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)'
			+ '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b')
			.getRegex(),
		def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
		heading: /^(#{1,6})(.*)(?:\n+|$)/,
		fences: noopTest, // fences not supported
		lheading: /^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/,
		paragraph: edit(_paragraph)
			.replace('hr', hr)
			.replace('heading', ' *#{1,6} *[^\n]')
			.replace('lheading', lheading)
			.replace('|table', '')
			.replace('blockquote', ' {0,3}>')
			.replace('|fences', '')
			.replace('|list', '')
			.replace('|html', '')
			.replace('|tag', '')
			.getRegex(),
	};
	/**
	 * Inline-Level Grammar
	 */
	const escape = /^\\([!"#$%&'()*+,\-./:;<=>?@[\]\\^_`{|}~])/;
	const inlineCode = /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/;
	const br = /^( {2,}|\\)\n(?!\s*$)/;
	const inlineText = /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<![`*_]|\b_|$)|[^ ](?= {2,}\n)))/;
	// list of unicode punctuation marks, plus any missing characters from CommonMark spec
	const _punctuation = '\\p{P}\\p{S}';
	const punctuation = edit(/^((?![*_])[\spunctuation])/, 'u')
		.replace(/punctuation/g, _punctuation).getRegex();
	// sequences em should skip over [title](link), `code`, <html>
	const blockSkip = /\[[^[\]]*?\]\([^()]*?\)|`[^`]*?`|<[^<>]*?>/g;
	const emStrongLDelim = edit(/^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/, 'u')
		.replace(/punct/g, _punctuation)
		.getRegex();
	const emStrongRDelimAst = edit('^[^_*]*?__[^_*]*?\\*[^_*]*?(?=__)' // Skip orphan inside strong
		+ '|[^*]+(?=[^*])' // Consume to delim
		+ '|(?!\\*)[punct](\\*+)(?=[\\s]|$)' // (1) #*** can only be a Right Delimiter
		+ '|[^punct\\s](\\*+)(?!\\*)(?=[punct\\s]|$)' // (2) a***#, a*** can only be a Right Delimiter
		+ '|(?!\\*)[punct\\s](\\*+)(?=[^punct\\s])' // (3) #***a, ***a can only be Left Delimiter
		+ '|[\\s](\\*+)(?!\\*)(?=[punct])' // (4) ***# can only be Left Delimiter
		+ '|(?!\\*)[punct](\\*+)(?!\\*)(?=[punct])' // (5) #***# can be either Left or Right Delimiter
		+ '|[^punct\\s](\\*+)(?=[^punct\\s])', 'gu') // (6) a***a can be either Left or Right Delimiter
		.replace(/punct/g, _punctuation)
		.getRegex();
	// (6) Not allowed for _
	const emStrongRDelimUnd = edit('^[^_*]*?\\*\\*[^_*]*?_[^_*]*?(?=\\*\\*)' // Skip orphan inside strong
		+ '|[^_]+(?=[^_])' // Consume to delim
		+ '|(?!_)[punct](_+)(?=[\\s]|$)' // (1) #___ can only be a Right Delimiter
		+ '|[^punct\\s](_+)(?!_)(?=[punct\\s]|$)' // (2) a___#, a___ can only be a Right Delimiter
		+ '|(?!_)[punct\\s](_+)(?=[^punct\\s])' // (3) #___a, ___a can only be Left Delimiter
		+ '|[\\s](_+)(?!_)(?=[punct])' // (4) ___# can only be Left Delimiter
		+ '|(?!_)[punct](_+)(?!_)(?=[punct])', 'gu') // (5) #___# can be either Left or Right Delimiter
		.replace(/punct/g, _punctuation)
		.getRegex();
	const anyPunctuation = edit(/\\([punct])/, 'gu')
		.replace(/punct/g, _punctuation)
		.getRegex();
	const autolink = edit(/^<(scheme:[^\s\x00-\x1f<>]*|email)>/)
		.replace('scheme', /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/)
		.replace('email', /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/)
		.getRegex();
	const _inlineComment = edit(_comment).replace('(?:-->|$)', '-->').getRegex();
	const tag = edit('^comment'
		+ '|^</[a-zA-Z][\\w:-]*\\s*>' // self-closing tag
		+ '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag
		+ '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. <?php ?>
		+ '|^<![a-zA-Z]+\\s[\\s\\S]*?>' // declaration, e.g. <!DOCTYPE html>
		+ '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>') // CDATA section
		.replace('comment', _inlineComment)
		.replace('attribute', /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/)
		.getRegex();
	const _inlineLabel = /(?:\[(?:\\.|[^[\]\\])*\]|\\.|`[^`]*`|[^[\]\\`])*?/;
	const link = edit(/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/)
		.replace('label', _inlineLabel)
		.replace('href', /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/)
		.replace('title', /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/)
		.getRegex();
	const reflink = edit(/^!?\[(label)\]\[(ref)\]/)
		.replace('label', _inlineLabel)
		.replace('ref', _blockLabel)
		.getRegex();
	const nolink = edit(/^!?\[(ref)\](?:\[\])?/)
		.replace('ref', _blockLabel)
		.getRegex();
	const reflinkSearch = edit('reflink|nolink(?!\\()', 'g')
		.replace('reflink', reflink)
		.replace('nolink', nolink)
		.getRegex();
	/**
	 * Normal Inline Grammar
	 */
	const inlineNormal = {
		_backpedal: noopTest, // only used for GFM url
		anyPunctuation,
		autolink,
		blockSkip,
		br,
		code: inlineCode,
		del: noopTest,
		emStrongLDelim,
		emStrongRDelimAst,
		emStrongRDelimUnd,
		escape,
		link,
		nolink,
		punctuation,
		reflink,
		reflinkSearch,
		tag,
		text: inlineText,
		url: noopTest,
	};
	/**
	 * Pedantic Inline Grammar
	 */
	const inlinePedantic = {
		...inlineNormal,
		link: edit(/^!?\[(label)\]\((.*?)\)/)
			.replace('label', _inlineLabel)
			.getRegex(),
		reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/)
			.replace('label', _inlineLabel)
			.getRegex(),
	};
	/**
	 * GFM Inline Grammar
	 */
	const inlineGfm = {
		...inlineNormal,
		escape: edit(escape).replace('])', '~|])').getRegex(),
		url: edit(/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9-]+\.?)+[^\s<]*|^email/, 'i')
			.replace('email', /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/)
			.getRegex(),
		_backpedal: /(?:[^?!.,:;*_'"~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_'"~)]+(?!$))+/,
		del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,
		text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+/=?_`{|}~-]+@)|[\s\S]*?(?:(?=[\\<![`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+/=?_`{|}~-](?=[a-zA-Z0-9.!#$%&'*+/=?_`{|}~-]+@)))/,
	};
	/**
	 * GFM + Line Breaks Inline Grammar
	 */
	const inlineBreaks = {
		...inlineGfm,
		br: edit(br).replace('{2,}', '*').getRegex(),
		text: edit(inlineGfm.text)
			.replace('\\b_', '\\b_| {2,}\\n')
			.replace(/\{2,\}/g, '*')
			.getRegex(),
	};
	/**
	 * exports
	 */
	const block = {
		normal: blockNormal,
		gfm: blockGfm,
		pedantic: blockPedantic,
	};
	const inline = {
		normal: inlineNormal,
		gfm: inlineGfm,
		breaks: inlineBreaks,
		pedantic: inlinePedantic,
	};

	/**
	 * Block Lexer
	 */
	class _Lexer {
		constructor(options) {
			// TokenList cannot be created in one go
			this.tokens = [];
			this.tokens.links = Object.create(null);
			this.options = options || exports_defaults;
			this.options.tokenizer = this.options.tokenizer || new _Tokenizer();
			this.tokenizer = this.options.tokenizer;
			this.tokenizer.options = this.options;
			this.tokenizer.lexer = this;
			this.inlineQueue = [];
			this.state = {
				inLink: false,
				inRawBlock: false,
				top: true,
			};
			const rules = {
				block: block.normal,
				inline: inline.normal,
			};
			if (this.options.pedantic) {
				rules.block = block.pedantic;
				rules.inline = inline.pedantic;
			}
			else if (this.options.gfm) {
				rules.block = block.gfm;
				if (this.options.breaks) {
					rules.inline = inline.breaks;
				}
				else {
					rules.inline = inline.gfm;
				}
			}
			this.tokenizer.rules = rules;
		}
		/**
		 * Expose Rules
		 */
		static get rules() {
			return {
				block,
				inline,
			};
		}
		/**
		 * Static Lex Method
		 */
		static lex(src, options) {
			const lexer = new _Lexer(options);
			return lexer.lex(src);
		}
		/**
		 * Static Lex Inline Method
		 */
		static lexInline(src, options) {
			const lexer = new _Lexer(options);
			return lexer.inlineTokens(src);
		}
		/**
		 * Preprocessing
		 */
		lex(src) {
			src = src
				.replace(/\r\n|\r/g, '\n');
			this.blockTokens(src, this.tokens);
			for (let i = 0; i < this.inlineQueue.length; i++) {
				const next = this.inlineQueue[i];
				this.inlineTokens(next.src, next.tokens);
			}
			this.inlineQueue = [];
			return this.tokens;
		}
		blockTokens(src, tokens = [], lastParagraphClipped = false) {
			if (this.options.pedantic) {
				src = src.replace(/\t/g, '    ').replace(/^ +$/gm, '');
			}
			else {
				src = src.replace(/^( *)(\t+)/gm, (_, leading, tabs) => {
					return leading + '    '.repeat(tabs.length);
				});
			}
			let token;
			let lastToken;
			let cutSrc;
			while (src) {
				if (this.options.extensions
					&& this.options.extensions.block
					&& this.options.extensions.block.some((extTokenizer) => {
						if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
							src = src.substring(token.raw.length);
							tokens.push(token);
							return true;
						}
						return false;
					})) {
					continue;
				}
				// newline
				if (token = this.tokenizer.space(src)) {
					src = src.substring(token.raw.length);
					if (token.raw.length === 1 && tokens.length > 0) {
						// if there's a single \n as a spacer, it's terminating the last line,
						// so move it there so that we don't get unnecessary paragraph tags
						tokens[tokens.length - 1].raw += '\n';
					}
					else {
						tokens.push(token);
					}
					continue;
				}
				// code
				if (token = this.tokenizer.code(src)) {
					src = src.substring(token.raw.length);
					lastToken = tokens[tokens.length - 1];
					// An indented code block cannot interrupt a paragraph.
					if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
						lastToken.raw += '\n' + token.raw;
						lastToken.text += '\n' + token.text;
						this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
					}
					else {
						tokens.push(token);
					}
					continue;
				}
				// fences
				if (token = this.tokenizer.fences(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// heading
				if (token = this.tokenizer.heading(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// hr
				if (token = this.tokenizer.hr(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// blockquote
				if (token = this.tokenizer.blockquote(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// list
				if (token = this.tokenizer.list(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// html
				if (token = this.tokenizer.html(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// def
				if (token = this.tokenizer.def(src)) {
					src = src.substring(token.raw.length);
					lastToken = tokens[tokens.length - 1];
					if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
						lastToken.raw += '\n' + token.raw;
						lastToken.text += '\n' + token.raw;
						this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
					}
					else if (!this.tokens.links[token.tag]) {
						this.tokens.links[token.tag] = {
							href: token.href,
							title: token.title,
						};
					}
					continue;
				}
				// table (gfm)
				if (token = this.tokenizer.table(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// lheading
				if (token = this.tokenizer.lheading(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// top-level paragraph
				// prevent paragraph consuming extensions by clipping 'src' to extension start
				cutSrc = src;
				if (this.options.extensions && this.options.extensions.startBlock) {
					let startIndex = Infinity;
					const tempSrc = src.slice(1);
					let tempStart;
					this.options.extensions.startBlock.forEach((getStartIndex) => {
						tempStart = getStartIndex.call({ lexer: this }, tempSrc);
						if (typeof tempStart === 'number' && tempStart >= 0) {
							startIndex = Math.min(startIndex, tempStart);
						}
					});
					if (startIndex < Infinity && startIndex >= 0) {
						cutSrc = src.substring(0, startIndex + 1);
					}
				}
				if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) {
					lastToken = tokens[tokens.length - 1];
					if (lastParagraphClipped && lastToken?.type === 'paragraph') {
						lastToken.raw += '\n' + token.raw;
						lastToken.text += '\n' + token.text;
						this.inlineQueue.pop();
						this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
					}
					else {
						tokens.push(token);
					}
					lastParagraphClipped = (cutSrc.length !== src.length);
					src = src.substring(token.raw.length);
					continue;
				}
				// text
				if (token = this.tokenizer.text(src)) {
					src = src.substring(token.raw.length);
					lastToken = tokens[tokens.length - 1];
					if (lastToken && lastToken.type === 'text') {
						lastToken.raw += '\n' + token.raw;
						lastToken.text += '\n' + token.text;
						this.inlineQueue.pop();
						this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
					}
					else {
						tokens.push(token);
					}
					continue;
				}
				if (src) {
					const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
					if (this.options.silent) {
						console.error(errMsg);
						break;
					}
					else {
						throw new Error(errMsg);
					}
				}
			}
			this.state.top = true;
			return tokens;
		}
		inline(src, tokens = []) {
			this.inlineQueue.push({ src, tokens });
			return tokens;
		}
		/**
		 * Lexing/Compiling
		 */
		inlineTokens(src, tokens = []) {
			let token, lastToken, cutSrc;
			// String with links masked to avoid interference with em and strong
			let maskedSrc = src;
			let match;
			let keepPrevChar, prevChar;
			// Mask out reflinks
			if (this.tokens.links) {
				const links = Object.keys(this.tokens.links);
				if (links.length > 0) {
					while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) {
						if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) {
							maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex);
						}
					}
				}
			}
			// Mask out other blocks
			while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
				maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
			}
			// Mask out escaped characters
			while ((match = this.tokenizer.rules.inline.anyPunctuation.exec(maskedSrc)) != null) {
				maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex);
			}
			while (src) {
				if (!keepPrevChar) {
					prevChar = '';
				}
				keepPrevChar = false;
				// extensions
				if (this.options.extensions
					&& this.options.extensions.inline
					&& this.options.extensions.inline.some((extTokenizer) => {
						if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
							src = src.substring(token.raw.length);
							tokens.push(token);
							return true;
						}
						return false;
					})) {
					continue;
				}
				// escape
				if (token = this.tokenizer.escape(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// tag
				if (token = this.tokenizer.tag(src)) {
					src = src.substring(token.raw.length);
					lastToken = tokens[tokens.length - 1];
					if (lastToken && token.type === 'text' && lastToken.type === 'text') {
						lastToken.raw += token.raw;
						lastToken.text += token.text;
					}
					else {
						tokens.push(token);
					}
					continue;
				}
				// link
				if (token = this.tokenizer.link(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// reflink, nolink
				if (token = this.tokenizer.reflink(src, this.tokens.links)) {
					src = src.substring(token.raw.length);
					lastToken = tokens[tokens.length - 1];
					if (lastToken && token.type === 'text' && lastToken.type === 'text') {
						lastToken.raw += token.raw;
						lastToken.text += token.text;
					}
					else {
						tokens.push(token);
					}
					continue;
				}
				// em & strong
				if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// code
				if (token = this.tokenizer.codespan(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// br
				if (token = this.tokenizer.br(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// del (gfm)
				if (token = this.tokenizer.del(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// autolink
				if (token = this.tokenizer.autolink(src)) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// url (gfm)
				if (!this.state.inLink && (token = this.tokenizer.url(src))) {
					src = src.substring(token.raw.length);
					tokens.push(token);
					continue;
				}
				// text
				// prevent inlineText consuming extensions by clipping 'src' to extension start
				cutSrc = src;
				if (this.options.extensions && this.options.extensions.startInline) {
					let startIndex = Infinity;
					const tempSrc = src.slice(1);
					let tempStart;
					this.options.extensions.startInline.forEach((getStartIndex) => {
						tempStart = getStartIndex.call({ lexer: this }, tempSrc);
						if (typeof tempStart === 'number' && tempStart >= 0) {
							startIndex = Math.min(startIndex, tempStart);
						}
					});
					if (startIndex < Infinity && startIndex >= 0) {
						cutSrc = src.substring(0, startIndex + 1);
					}
				}
				if (token = this.tokenizer.inlineText(cutSrc)) {
					src = src.substring(token.raw.length);
					if (token.raw.slice(-1) !== '_') { // Track prevChar before string of ____ started
						prevChar = token.raw.slice(-1);
					}
					keepPrevChar = true;
					lastToken = tokens[tokens.length - 1];
					if (lastToken && lastToken.type === 'text') {
						lastToken.raw += token.raw;
						lastToken.text += token.text;
					}
					else {
						tokens.push(token);
					}
					continue;
				}
				if (src) {
					const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
					if (this.options.silent) {
						console.error(errMsg);
						break;
					}
					else {
						throw new Error(errMsg);
					}
				}
			}
			return tokens;
		}
	}

	/**
	 * Renderer
	 */
	class _Renderer {
		constructor(options) {
			this.options = options || exports_defaults;
//			this.parser = null; // set by the parser
		}
		space() {
			return '';
		}
		code({ text, lang, escaped }) {
			const langString = (lang || '').match(/^\S*/)?.[0];
			const code = text.replace(/\n$/, '') + '\n';
			if (!langString) {
				return '<pre><code>'
					+ (escaped ? code : escape$1(code, true))
					+ '</code></pre>\n';
			}
			return '<pre><code class="language-'
				+ escape$1(langString)
				+ '">'
				+ (escaped ? code : escape$1(code, true))
				+ '</code></pre>\n';
		}
		blockquote({ tokens }) {
			const body = this.parser.parse(tokens);
			return `<blockquote>\n${body}</blockquote>\n`;
		}
		html({ text }) {
			return text;
		}
		heading({ tokens, depth }) {
			return `<h${depth}>${this.parser.parseInline(tokens)}</h${depth}>\n`;
		}
		hr() {
			return '<hr>\n';
		}
		list(token) {
			const ordered = token.ordered;
			const start = token.start;
			let body = '';
			for (let j = 0; j < token.items.length; j++) {
				const item = token.items[j];
				body += this.listitem(item);
			}
			const type = ordered ? 'ol' : 'ul';
			const startAttr = (ordered && start !== 1) ? (' start="' + start + '"') : '';
			return '<' + type + startAttr + '>\n' + body + '</' + type + '>\n';
		}
		listitem(item) {
			let itemBody = '';
			if (item.task) {
				const checkbox = this.checkbox({ checked: !!item.checked });
				if (item.loose) {
					if (item.tokens.length > 0 && item.tokens[0].type === 'paragraph') {
						item.tokens[0].text = checkbox + ' ' + item.tokens[0].text;
						if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === 'text') {
							item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text;
						}
					}
					else {
						item.tokens.unshift({
							type: 'text',
							raw: checkbox + ' ',
							text: checkbox + ' ',
						});
					}
				}
				else {
					itemBody += checkbox + ' ';
				}
			}
			itemBody += this.parser.parse(item.tokens, !!item.loose);
			return `<li>${itemBody}</li>\n`;
		}
		checkbox({ checked }) {
			return '<input '
				+ (checked ? 'checked="" ' : '')
				+ 'disabled="" type="checkbox">';
		}
		paragraph({ tokens }) {
			return `<p>${this.parser.parseInline(tokens)}</p>\n`;
		}
		table(token) {
			let header = '';
			// header
			let cell = '';
			for (let j = 0; j < token.header.length; j++) {
				cell += this.tablecell(token.header[j]);
			}
			header += this.tablerow({ text: cell });
			let body = '';
			for (let j = 0; j < token.rows.length; j++) {
				const row = token.rows[j];
				cell = '';
				for (let k = 0; k < row.length; k++) {
					cell += this.tablecell(row[k]);
				}
				body += this.tablerow({ text: cell });
			}
			if (body)
				body = `<tbody>${body}</tbody>`;
			return '<table>\n'
				+ '<thead>\n'
				+ header
				+ '</thead>\n'
				+ body
				+ '</table>\n';
		}
		tablerow({ text }) {
			return `<tr>\n${text}</tr>\n`;
		}
		tablecell(token) {
			const content = this.parser.parseInline(token.tokens);
			const type = token.header ? 'th' : 'td';
			const tag = token.align
				? `<${type} align="${token.align}">`
				: `<${type}>`;
			return tag + content + `</${type}>\n`;
		}
		/**
		 * span level renderer
		 */
		strong({ tokens }) {
			return `<strong>${this.parser.parseInline(tokens)}</strong>`;
		}
		em({ tokens }) {
			return `<em>${this.parser.parseInline(tokens)}</em>`;
		}
		codespan({ text }) {
			return `<code>${text}</code>`;
		}
		br() {
			return '<br>';
		}
		del({ tokens }) {
			return `<del>${this.parser.parseInline(tokens)}</del>`;
		}
		link({ href, title, tokens }) {
			const text = this.parser.parseInline(tokens);
			const cleanHref = cleanUrl(href);
			if (cleanHref === null) {
				return text;
			}
			href = cleanHref;
			let out = '<a href="' + href + '"';
			if (title) {
				out += ' title="' + title + '"';
			}
			out += '>' + text + '</a>';
			return out;
		}
		image({ href, title, text }) {
			const cleanHref = cleanUrl(href);
			if (cleanHref === null) {
				return text;
			}
			href = cleanHref;
			let out = `<img src="${href}" alt="${text}"`;
			if (title) {
				out += ` title="${title}"`;
			}
			out += '>';
			return out;
		}
		text(token) {
			return 'tokens' in token && token.tokens ? this.parser.parseInline(token.tokens) : token.text;
		}
	}

	/**
	 * TextRenderer
	 * returns only the textual part of the token
	 */
	class _TextRenderer {
		// no need for block level renderers
		strong({ text }) {
			return text;
		}
		em({ text }) {
			return text;
		}
		codespan({ text }) {
			return text;
		}
		del({ text }) {
			return text;
		}
		html({ text }) {
			return text;
		}
		text({ text }) {
			return text;
		}
		link({ text }) {
			return '' + text;
		}
		image({ text }) {
			return '' + text;
		}
		br() {
			return '';
		}
	}

	/**
	 * Parsing & Compiling
	 */
	class _Parser {
		constructor(options) {
			this.options = options || exports_defaults;
			this.options.renderer = this.options.renderer || new _Renderer();
			this.renderer = this.options.renderer;
			this.renderer.options = this.options;
			this.renderer.parser = this;
			this.textRenderer = new _TextRenderer();
		}
		/**
		 * Static Parse Method
		 */
		static parse(tokens, options) {
			const parser = new _Parser(options);
			return parser.parse(tokens);
		}
		/**
		 * Static Parse Inline Method
		 */
		static parseInline(tokens, options) {
			const parser = new _Parser(options);
			return parser.parseInline(tokens);
		}
		/**
		 * Parse Loop
		 */
		parse(tokens, top = true) {
			let out = '';
			for (let i = 0; i < tokens.length; i++) {
				const anyToken = tokens[i];
				// Run any renderer extensions
				if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[anyToken.type]) {
					const genericToken = anyToken;
					const ret = this.options.extensions.renderers[genericToken.type].call({ parser: this }, genericToken);
					if (ret !== false || !['space', 'hr', 'heading', 'code', 'table', 'blockquote', 'list', 'html', 'paragraph', 'text'].includes(genericToken.type)) {
						out += ret || '';
						continue;
					}
				}
				const token = anyToken;
				switch (token.type) {
					case 'space': {
						out += this.renderer.space(token);
						continue;
					}
					case 'hr': {
						out += this.renderer.hr(token);
						continue;
					}
					case 'heading': {
						out += this.renderer.heading(token);
						continue;
					}
					case 'code': {
						out += this.renderer.code(token);
						continue;
					}
					case 'table': {
						out += this.renderer.table(token);
						continue;
					}
					case 'blockquote': {
						out += this.renderer.blockquote(token);
						continue;
					}
					case 'list': {
						out += this.renderer.list(token);
						continue;
					}
					case 'html': {
						out += this.renderer.html(token);
						continue;
					}
					case 'paragraph': {
						out += this.renderer.paragraph(token);
						continue;
					}
					case 'text': {
						let textToken = token;
						let body = this.renderer.text(textToken);
						while (i + 1 < tokens.length && tokens[i + 1].type === 'text') {
							textToken = tokens[++i];
							body += '\n' + this.renderer.text(textToken);
						}
						if (top) {
							out += this.renderer.paragraph({
								type: 'paragraph',
								raw: body,
								text: body,
								tokens: [{ type: 'text', raw: body, text: body }],
							});
						}
						else {
							out += body;
						}
						continue;
					}
					default: {
						const errMsg = 'Token with "' + token.type + '" type was not found.';
						if (this.options.silent) {
							console.error(errMsg);
							return '';
						}
						else {
							throw new Error(errMsg);
						}
					}
				}
			}
			return out;
		}
		/**
		 * Parse Inline Tokens
		 */
		parseInline(tokens, renderer) {
			renderer = renderer || this.renderer;
			let out = '';
			for (let i = 0; i < tokens.length; i++) {
				const anyToken = tokens[i];
				// Run any renderer extensions
				if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[anyToken.type]) {
					const ret = this.options.extensions.renderers[anyToken.type].call({ parser: this }, anyToken);
					if (ret !== false || !['escape', 'html', 'link', 'image', 'strong', 'em', 'codespan', 'br', 'del', 'text'].includes(anyToken.type)) {
						out += ret || '';
						continue;
					}
				}
				const token = anyToken;
				switch (token.type) {
					case 'escape': {
						out += renderer.text(token);
						break;
					}
					case 'html': {
						out += renderer.html(token);
						break;
					}
					case 'link': {
						out += renderer.link(token);
						break;
					}
					case 'image': {
						out += renderer.image(token);
						break;
					}
					case 'strong': {
						out += renderer.strong(token);
						break;
					}
					case 'em': {
						out += renderer.em(token);
						break;
					}
					case 'codespan': {
						out += renderer.codespan(token);
						break;
					}
					case 'br': {
						out += renderer.br(token);
						break;
					}
					case 'del': {
						out += renderer.del(token);
						break;
					}
					case 'text': {
						out += renderer.text(token);
						break;
					}
					default: {
						const errMsg = 'Token with "' + token.type + '" type was not found.';
						if (this.options.silent) {
							console.error(errMsg);
							return '';
						}
						else {
							throw new Error(errMsg);
						}
					}
				}
			}
			return out;
		}
	}

	class _Hooks {
		constructor(options) {
			this.options = options || exports_defaults;
		}
		static passThroughHooks = new Set([
			'preprocess',
			'postprocess',
			'processAllTokens',
		]);
		/**
		 * Process markdown before marked
		 */
		preprocess(markdown) {
			return markdown;
		}
		/**
		 * Process HTML after marked is finished
		 */
		postprocess(html) {
			return html;
		}
		/**
		 * Process all tokens before walk tokens
		 */
		processAllTokens(tokens) {
			return tokens;
		}
	}

	class Marked {
		constructor(...args) {
			this.defaults = _getDefaults();
			this.options = this.setOptions;
			this.parse = this.parseMarkdown(_Lexer.lex, _Parser.parse);
			this.parseInline = this.parseMarkdown(_Lexer.lexInline, _Parser.parseInline);
			this.Parser = _Parser;
			this.Renderer = _Renderer;
			this.TextRenderer = _TextRenderer;
			this.Lexer = _Lexer;
			this.Tokenizer = _Tokenizer;
			this.Hooks = _Hooks;
			this.use(...args);
		}
		/**
		 * Run callback for every token
		 */
		walkTokens(tokens, callback) {
			let values = [];
			for (const token of tokens) {
				values = values.concat(callback.call(this, token));
				switch (token.type) {
					case 'table': {
						const tableToken = token;
						for (const cell of tableToken.header) {
							values = values.concat(this.walkTokens(cell.tokens, callback));
						}
						for (const row of tableToken.rows) {
							for (const cell of row) {
								values = values.concat(this.walkTokens(cell.tokens, callback));
							}
						}
						break;
					}
					case 'list': {
						const listToken = token;
						values = values.concat(this.walkTokens(listToken.items, callback));
						break;
					}
					default: {
						const genericToken = token;
						if (this.defaults.extensions?.childTokens?.[genericToken.type]) {
							this.defaults.extensions.childTokens[genericToken.type].forEach((childTokens) => {
								const tokens = genericToken[childTokens].flat(Infinity);
								values = values.concat(this.walkTokens(tokens, callback));
							});
						}
						else if (genericToken.tokens) {
							values = values.concat(this.walkTokens(genericToken.tokens, callback));
						}
					}
				}
			}
			return values;
		}
		use(...args) {
			const extensions = this.defaults.extensions || { renderers: {}, childTokens: {} };
			args.forEach((pack) => {
				// copy options to new object
				const opts = { ...pack };
				// set async to true if it was set to true before
				opts.async = this.defaults.async || opts.async || false;
				// ==-- Parse "addon" extensions --== //
				if (pack.extensions) {
					pack.extensions.forEach((ext) => {
						if (!ext.name) {
							throw new Error('extension name required');
						}
						if ('renderer' in ext) { // Renderer extensions
							const prevRenderer = extensions.renderers[ext.name];
							if (prevRenderer) {
								// Replace extension with func to run new extension but fall back if false
								extensions.renderers[ext.name] = function (...args) {
									let ret = ext.renderer.apply(this, args);
									if (ret === false) {
										ret = prevRenderer.apply(this, args);
									}
									return ret;
								};
							}
							else {
								extensions.renderers[ext.name] = ext.renderer;
							}
						}
						if ('tokenizer' in ext) { // Tokenizer Extensions
							if (!ext.level || (ext.level !== 'block' && ext.level !== 'inline')) {
								throw new Error("extension level must be 'block' or 'inline'");
							}
							const extLevel = extensions[ext.level];
							if (extLevel) {
								extLevel.unshift(ext.tokenizer);
							}
							else {
								extensions[ext.level] = [ext.tokenizer];
							}
							if (ext.start) { // Function to check for start of token
								if (ext.level === 'block') {
									if (extensions.startBlock) {
										extensions.startBlock.push(ext.start);
									}
									else {
										extensions.startBlock = [ext.start];
									}
								}
								else if (ext.level === 'inline') {
									if (extensions.startInline) {
										extensions.startInline.push(ext.start);
									}
									else {
										extensions.startInline = [ext.start];
									}
								}
							}
						}
						if ('childTokens' in ext && ext.childTokens) { // Child tokens to be visited by walkTokens
							extensions.childTokens[ext.name] = ext.childTokens;
						}
					});
					opts.extensions = extensions;
				}
				// ==-- Parse "overwrite" extensions --== //
				if (pack.renderer) {
					const renderer = this.defaults.renderer || new _Renderer(this.defaults);
					for (const prop in pack.renderer) {
						if (!(prop in renderer)) {
							throw new Error(`renderer '${prop}' does not exist`);
						}
						if (['options', 'parser'].includes(prop)) {
							// ignore options property
							continue;
						}
						const rendererProp = prop;
						const rendererFunc = pack.renderer[rendererProp];
						const prevRenderer = renderer[rendererProp];
						// Replace renderer with func to run extension, but fall back if false
						renderer[rendererProp] = (...args) => {
							let ret = rendererFunc.apply(renderer, args);
							if (ret === false) {
								ret = prevRenderer.apply(renderer, args);
							}
							return ret || '';
						};
					}
					opts.renderer = renderer;
				}
				if (pack.tokenizer) {
					const tokenizer = this.defaults.tokenizer || new _Tokenizer(this.defaults);
					for (const prop in pack.tokenizer) {
						if (!(prop in tokenizer)) {
							throw new Error(`tokenizer '${prop}' does not exist`);
						}
						if (['options', 'rules', 'lexer'].includes(prop)) {
							// ignore options, rules, and lexer properties
							continue;
						}
						const tokenizerProp = prop;
						const tokenizerFunc = pack.tokenizer[tokenizerProp];
						const prevTokenizer = tokenizer[tokenizerProp];
						// Replace tokenizer with func to run extension, but fall back if false
						// @ts-expect-error cannot type tokenizer function dynamically
						tokenizer[tokenizerProp] = (...args) => {
							let ret = tokenizerFunc.apply(tokenizer, args);
							if (ret === false) {
								ret = prevTokenizer.apply(tokenizer, args);
							}
							return ret;
						};
					}
					opts.tokenizer = tokenizer;
				}
				// ==-- Parse Hooks extensions --== //
				if (pack.hooks) {
					const hooks = this.defaults.hooks || new _Hooks();
					for (const prop in pack.hooks) {
						if (!(prop in hooks)) {
							throw new Error(`hook '${prop}' does not exist`);
						}
						if (prop === 'options') {
							// ignore options property
							continue;
						}
						const hooksProp = prop;
						const hooksFunc = pack.hooks[hooksProp];
						const prevHook = hooks[hooksProp];
						if (_Hooks.passThroughHooks.has(prop)) {
							// @ts-expect-error cannot type hook function dynamically
							hooks[hooksProp] = (arg) => {
								if (this.defaults.async) {
									return Promise.resolve(hooksFunc.call(hooks, arg)).then(ret => {
										return prevHook.call(hooks, ret);
									});
								}
								const ret = hooksFunc.call(hooks, arg);
								return prevHook.call(hooks, ret);
							};
						}
						else {
							// @ts-expect-error cannot type hook function dynamically
							hooks[hooksProp] = (...args) => {
								let ret = hooksFunc.apply(hooks, args);
								if (ret === false) {
									ret = prevHook.apply(hooks, args);
								}
								return ret;
							};
						}
					}
					opts.hooks = hooks;
				}
				// ==-- Parse WalkTokens extensions --== //
				if (pack.walkTokens) {
					const walkTokens = this.defaults.walkTokens;
					const packWalktokens = pack.walkTokens;
					opts.walkTokens = function (token) {
						let values = [];
						values.push(packWalktokens.call(this, token));
						if (walkTokens) {
							values = values.concat(walkTokens.call(this, token));
						}
						return values;
					};
				}
				this.defaults = { ...this.defaults, ...opts };
			});
			return this;
		}
		setOptions(opt) {
			this.defaults = { ...this.defaults, ...opt };
			return this;
		}
		lexer(src, options) {
			return _Lexer.lex(src, options ?? this.defaults);
		}
		parser(tokens, options) {
			return _Parser.parse(tokens, options ?? this.defaults);
		}
		parseMarkdown(lexer, parser) {
			// eslint-disable-next-line
			const parse = (src, options) => {
				const origOpt = { ...options };
				const opt = { ...this.defaults, ...origOpt };
				const throwError = this.onError(!!opt.silent, !!opt.async);
				// throw error if an extension set async to true but parse was called with async: false
				if (this.defaults.async === true && origOpt.async === false) {
					return throwError(new Error('marked(): The async option was set to true by an extension. Remove async: false from the parse options object to return a Promise.'));
				}
				// throw error in case of non string input
				if (typeof src === 'undefined' || src === null) {
					return throwError(new Error('marked(): input parameter is undefined or null'));
				}
				if (typeof src !== 'string') {
					return throwError(new Error('marked(): input parameter is of type '
						+ Object.prototype.toString.call(src) + ', string expected'));
				}
				if (opt.hooks) {
					opt.hooks.options = opt;
				}
				if (opt.async) {
					return Promise.resolve(opt.hooks ? opt.hooks.preprocess(src) : src)
						.then(src => lexer(src, opt))
						.then(tokens => opt.hooks ? opt.hooks.processAllTokens(tokens) : tokens)
						.then(tokens => opt.walkTokens ? Promise.all(this.walkTokens(tokens, opt.walkTokens)).then(() => tokens) : tokens)
						.then(tokens => parser(tokens, opt))
						.then(html => opt.hooks ? opt.hooks.postprocess(html) : html)
						.catch(throwError);
				}
				try {
					if (opt.hooks) {
						src = opt.hooks.preprocess(src);
					}
					let tokens = lexer(src, opt);
					if (opt.hooks) {
						tokens = opt.hooks.processAllTokens(tokens);
					}
					if (opt.walkTokens) {
						this.walkTokens(tokens, opt.walkTokens);
					}
					let html = parser(tokens, opt);
					if (opt.hooks) {
						html = opt.hooks.postprocess(html);
					}
					return html;
				}
				catch (e) {
					return throwError(e);
				}
			};
			return parse;
		}
		onError(silent, async) {
			return (e) => {
				e.message += '\nPlease report this to https://github.com/markedjs/marked.';
				if (silent) {
					const msg = '<p>An error occurred:</p><pre>'
						+ escape$1(e.message + '', true)
						+ '</pre>';
					if (async) {
						return Promise.resolve(msg);
					}
					return msg;
				}
				if (async) {
					return Promise.reject(e);
				}
				throw e;
			};
		}
	}

	const markedInstance = new Marked();
/*
	function changeDefaults(newDefaults) {
		exports_defaults = newDefaults;
	}

	function marked(src, opt) {
		return markedInstance.parse(src, opt);
	}
	/**
	 * Sets the default options.
	 *
	 * @param options Hash of options
	 * /
	marked.options =
		marked.setOptions = (options) => {
			markedInstance.setOptions(options);
			marked.defaults = markedInstance.defaults;
			changeDefaults(marked.defaults);
			return marked;
		};
	/**
	 * Gets the original marked default options.
	 * /
	marked.defaults = exports_defaults;
	/**
	 * Run callback for every token
	 * /
	marked.walkTokens = (tokens, callback) => markedInstance.walkTokens(tokens, callback);
	/**
	 * Expose
	 * /
	marked.Parser = _Parser;
	marked.parser = _Parser.parse;
	marked.Renderer = _Renderer;
	marked.TextRenderer = _TextRenderer;
	marked.Lexer = _Lexer;
	marked.lexer = _Lexer.lex;
	marked.Tokenizer = _Tokenizer;
	marked.Hooks = _Hooks;
	marked.parse = marked;
*/

	return {
/*
		Hooks: _Hooks,
		Lexer: _Lexer,
		Marked: Marked,
		Parser: _Parser,
		Renderer: _Renderer,
		TextRenderer: _TextRenderer,
		Tokenizer: _Tokenizer,
		getDefaults: _getDefaults,
		lexer: _Lexer.lex,
		marked: marked,
		options: marked.options,
*/
		parse: (src, opt) => markedInstance.parse(src, opt),
/*
		/**
		 * Compiles markdown to HTML without enclosing `p` tag.
		 *
		 * @param src String of markdown source to be compiled
		 * @param options Hash of options
		 * @return String of compiled HTML
		 * /
		parseInline: markedInstance.parseInline,
		parser: _Parser.parse,
		setOptions: marked.setOptions,
		/**
		 * Use Extension
		 * /
		use: (...args) => {
			markedInstance.use(...args);
			marked.defaults = markedInstance.defaults;
			changeDefaults(marked.defaults);
			return marked;
		},
		walkTokens: marked.walkTokens
*/
	};
})();