import tocObj from './createToc';

if (typeof window._goTocAction === "undefined") {
    window._goTocAction = function (e, level, anchor) {
        const container = $A(e).parents(".markdown-preview");
        if (container) {
            const inner = container.find("h" + level + '[toc-id="' + anchor + '"]');
            if (inner) {
                container.animate({
                    scrollTop: inner.offset().top - container.offset().top + container.scrollTop()
                });
            }
        }
    }
}


var block = {
    newline: /^\n+/,
    code: /^( {4}[^\n]+\n*)+/,
    fences: /^ {0,3}(`{3,}|~{3,})([^`~\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?:\n+|$)|$)/,
    hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,
    heading: /^ {0,3}(#{1,6}) +([^\n]*?)(?: +#+)? *(?:\n+|$)/,
    blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
    list: /^( {0,3})(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
    html: '^ {0,3}(?:' // optional indentation
        + '<(script|pre|style)[\\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{2,}|$)' // (6)
        + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag
        + '|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag
        + ')',
    def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
    nptable: noop,
    table: noop,
    lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
    // regex template, placeholders will be replaced according to different paragraph
    // interruption rules of commonmark and the original src spec:
    _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html)[^\n]+)*)/,
    text: /^[^\n]+/
};

block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/;
block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
block.def = edit(block.def)
    .replace('label', block._label)
    .replace('title', block._title)
    .getRegex();

block.bullet = /(?:[*+-]|\d{1,9}\.)/;
block.item = /^( *)(bull) ?[^\n]*(?:\n(?!\1bull ?)[^\n]*)*/;
block.item = edit(block.item, 'gm')
    .replace(/bull/g, block.bullet)
    .getRegex();

block.list = edit(block.list)
    .replace(/bull/g, block.bullet)
    .replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))')
    .replace('def', '\\n+(?=' + block.def.source + ')')
    .getRegex();

block._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|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr'
    + '|track|ul';
block._comment = /<!--(?!-?>)[\s\S]*?-->/;
block.html = edit(block.html, 'i')
    .replace('comment', block._comment)
    .replace('tag', block._tag)
    .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/)
    .getRegex();

block.paragraph = edit(block._paragraph)
    .replace('hr', block.hr)
    .replace('heading', ' {0,3}#{1,6} +')
    .replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
    .replace('blockquote', ' {0,3}>')
    .replace('fences', ' {0,3}(?:`{3,}|~{3,})[^`\\n]*\\n')
    .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
    .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
    .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
    .getRegex();

block.blockquote = edit(block.blockquote)
    .replace('paragraph', block.paragraph)
    .getRegex();

/**
 * Normal Block Grammar
 */

block.normal = merge({}, block);

/**
 * GFM Block Grammar
 */

block.gfm = merge({}, block.normal, {
    nptable: /^ *([^|\n ].*\|.*)\n *([-:]+ *\|[-| :]*)(?:\n((?:.*[^>\n ].*(?:\n|$))*)\n*|$)/,
    table: /^ *\|(.+)\n *\|?( *[-:]+[-| :]*)(?:\n((?: *[^>\n ].*(?:\n|$))*)\n*|$)/
});

/**
 * Pedantic grammar (original John Gruber's loose src specification)
 */

block.pedantic = merge({}, block.normal, {
    html: edit(
        '^ *(?:comment *(?:\\n|\\s*$)'
        + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
        + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))')
        .replace('comment', block._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+|$)/,
    heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/,
    fences: noop, // fences not supported
    paragraph: edit(block.normal._paragraph)
        .replace('hr', block.hr)
        .replace('heading', ' *#{1,6} *[^\n]')
        .replace('lheading', block.lheading)
        .replace('blockquote', ' {0,3}>')
        .replace('|fences', '')
        .replace('|list', '')
        .replace('|html', '')
        .getRegex()
});

/**
 * Block Lexer
 */

function Lexer(options) {
    this.tokens = [];
    this.tokens.links = Object.create(null);
    this.options = options || index.defaults;
    this.rules = block.normal;

    if (this.options.pedantic) {
        this.rules = block.pedantic;
    } else if (this.options.gfm) {
        this.rules = block.gfm;
    }
}

/**
 * Expose Block Rules
 */

Lexer.rules = block;

/**
 * Static Lex Method
 */

Lexer.lex = function (src, options) {
    var lexer = new Lexer(options);
    return lexer.lex(src);
};

/**
 * Preprocessing
 */

Lexer.prototype.lex = function (src) {
    src = src
        .replace(/\r\n|\r/g, '\n')
        .replace(/\t/g, '    ')
        .replace(/\u00a0/g, ' ')
        .replace(/\u2424/g, '\n');

    return this.token(src, true);
};

/**
 * Lexing
 */

Lexer.prototype.token = function (src, top) {
    src = src.replace(/^ +$/gm, '');
    var next,
        loose,
        cap,
        bull,
        b,
        item,
        listStart,
        listItems,
        t,
        space,
        i,
        tag,
        l,
        isordered,
        istask,
        ischecked;

    while (src) {
        // newline
        if (cap = this.rules.newline.exec(src)) {
            src = src.substring(cap[0].length);
            if (cap[0].length > 1) {
                this.tokens.push({
                    type: 'space'
                });
            }
        }

        // code
        if (cap = this.rules.code.exec(src)) {
            var lastToken = this.tokens[this.tokens.length - 1];
            src = src.substring(cap[0].length);
            // An indented code block cannot interrupt a paragraph.
            if (lastToken && lastToken.type === 'paragraph') {
                lastToken.text += '\n' + cap[0].trimRight();
            } else {
                cap = cap[0].replace(/^ {4}/gm, '');
                this.tokens.push({
                    type: 'code',
                    codeBlockStyle: 'indented',
                    text: !this.options.pedantic
                        ? rtrim(cap, '\n')
                        : cap
                });
            }
            continue;
        }

        // fences
        if (cap = this.rules.fences.exec(src)) {
            src = src.substring(cap[0].length);
            this.tokens.push({
                type: 'code',
                lang: cap[2] ? cap[2].trim() : cap[2],
                text: cap[3] || ''
            });
            continue;
        }

        // heading
        if (cap = this.rules.heading.exec(src)) {
            src = src.substring(cap[0].length);
            this.tokens.push({
                type: 'heading',
                depth: cap[1].length,
                text: cap[2]
            });
            continue;
        }

        // table no leading pipe (gfm)
        if (cap = this.rules.nptable.exec(src)) {
            item = {
                type: 'table',
                header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')),
                align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
                cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : []
            };

            if (item.header.length === item.align.length) {
                src = src.substring(cap[0].length);

                for (i = 0; i < item.align.length; i++) {
                    if (/^ *-+: *$/.test(item.align[i])) {
                        item.align[i] = 'right';
                    } else if (/^ *:-+: *$/.test(item.align[i])) {
                        item.align[i] = 'center';
                    } else if (/^ *:-+ *$/.test(item.align[i])) {
                        item.align[i] = 'left';
                    } else {
                        item.align[i] = null;
                    }
                }

                for (i = 0; i < item.cells.length; i++) {
                    item.cells[i] = splitCells(item.cells[i], item.header.length);
                }

                this.tokens.push(item);

                continue;
            }
        }

        // hr
        if (cap = this.rules.hr.exec(src)) {
            src = src.substring(cap[0].length);
            this.tokens.push({
                type: 'hr'
            });
            continue;
        }

        // blockquote
        if (cap = this.rules.blockquote.exec(src)) {
            src = src.substring(cap[0].length);

            this.tokens.push({
                type: 'blockquote_start'
            });

            cap = cap[0].replace(/^ *> ?/gm, '');

            // Pass `top` to keep the current
            // "toplevel" state. This is exactly
            // how src.pl works.
            this.token(cap, top);

            this.tokens.push({
                type: 'blockquote_end'
            });

            continue;
        }

        // list
        if (cap = this.rules.list.exec(src)) {
            src = src.substring(cap[0].length);
            bull = cap[2];
            isordered = bull.length > 1;

            listStart = {
                type: 'list_start',
                ordered: isordered,
                start: isordered ? +bull : '',
                loose: false
            };
            this.tokens.push(listStart);

            // Get each top-level item.
            cap = cap[0].match(this.rules.item);

            listItems = [];
            next = false;
            l = cap.length;
            i = 0;

            for (; i < l; i++) {
                item = cap[i];

                // Remove the list item's bullet
                // so it is seen as the next token.
                space = item.length;
                item = item.replace(/^ *([*+-]|\d+\.) */, '');

                // Outdent whatever the
                // list item contains. Hacky.
                if (~item.indexOf('\n ')) {
                    space -= item.length;
                    item = !this.options.pedantic
                        ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
                        : item.replace(/^ {1,4}/gm, '');
                }

                // Determine whether the next list item belongs here.
                // Backpedal if it does not belong in this list.
                if (i !== l - 1) {
                    b = block.bullet.exec(cap[i + 1])[0];
                    if (bull.length > 1 ? b.length === 1
                        : (b.length > 1 || (this.options.smartLists && b !== bull))) {
                        src = cap.slice(i + 1).join('\n') + src;
                        i = l - 1;
                    }
                }

                // Determine whether item is loose or not.
                // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
                // for discount behavior.
                loose = next || /\n\n(?!\s*$)/.test(item);
                if (i !== l - 1) {
                    next = item.charAt(item.length - 1) === '\n';
                    if (!loose) loose = next;
                }

                if (loose) {
                    listStart.loose = true;
                }

                // Check for task list items
                istask = /^\[[ xX]\] /.test(item);
                ischecked = undefined;
                if (istask) {
                    ischecked = item[1] !== ' ';
                    item = item.replace(/^\[[ xX]\] +/, '');
                }

                t = {
                    type: 'list_item_start',
                    task: istask,
                    checked: ischecked,
                    loose: loose
                };

                listItems.push(t);
                this.tokens.push(t);

                // Recurse.
                this.token(item, false);

                this.tokens.push({
                    type: 'list_item_end'
                });
            }

            if (listStart.loose) {
                l = listItems.length;
                i = 0;
                for (; i < l; i++) {
                    listItems[i].loose = true;
                }
            }

            this.tokens.push({
                type: 'list_end'
            });

            continue;
        }

        // html
        if (cap = this.rules.html.exec(src)) {
            src = src.substring(cap[0].length);
            this.tokens.push({
                type: this.options.sanitize
                    ? 'paragraph'
                    : 'html',
                pre: !this.options.sanitizer
                    && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
                text: this.options.sanitize ? (this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0])) : cap[0]
            });
            continue;
        }

        // def
        if (top && (cap = this.rules.def.exec(src))) {
            src = src.substring(cap[0].length);
            if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1);
            tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
            if (!this.tokens.links[tag]) {
                this.tokens.links[tag] = {
                    href: cap[2],
                    title: cap[3]
                };
            }
            continue;
        }

        // table (gfm)
        if (cap = this.rules.table.exec(src)) {
            item = {
                type: 'table',
                header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')),
                align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
                cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : []
            };

            if (item.header.length === item.align.length) {
                src = src.substring(cap[0].length);

                for (i = 0; i < item.align.length; i++) {
                    if (/^ *-+: *$/.test(item.align[i])) {
                        item.align[i] = 'right';
                    } else if (/^ *:-+: *$/.test(item.align[i])) {
                        item.align[i] = 'center';
                    } else if (/^ *:-+ *$/.test(item.align[i])) {
                        item.align[i] = 'left';
                    } else {
                        item.align[i] = null;
                    }
                }

                for (i = 0; i < item.cells.length; i++) {
                    item.cells[i] = splitCells(
                        item.cells[i].replace(/^ *\| *| *\| *$/g, ''),
                        item.header.length);
                }

                this.tokens.push(item);

                continue;
            }
        }

        // lheading
        if (cap = this.rules.lheading.exec(src)) {
            src = src.substring(cap[0].length);
            this.tokens.push({
                type: 'heading',
                depth: cap[2].charAt(0) === '=' ? 1 : 2,
                text: cap[1]
            });
            continue;
        }

        // top-level paragraph
        if (top && (cap = this.rules.paragraph.exec(src))) {
            src = src.substring(cap[0].length);
            this.tokens.push({
                type: 'paragraph',
                text: cap[1].charAt(cap[1].length - 1) === '\n'
                    ? cap[1].slice(0, -1)
                    : cap[1]
            });
            continue;
        }
        if (cap = this.rules.text.exec(src)) {
            src = src.substring(cap[0].length);
            this.tokens.push({
                type: 'text',
                text: cap[0]
            });
            continue;
        }

        if (src) {
            throw new Error('Infinite loop on byte: ' + src.charCodeAt(0));
        }
    }
    return this.tokens;
};

/**
 * Inline-Level Grammar
 */

var inline = {
    escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
    autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
    url: noop,
    tag: '^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
    link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
    reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,
    nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
    strong: /^__([^\s_])__(?!_)|^\*\*([^\s*])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/,
    em: /^_([^\s_])_(?!_)|^\*([^\s*<\[])\*(?!\*)|^_([^\s<][\s\S]*?[^\s_])_(?!_|[^\spunctuation])|^_([^\s_<][\s\S]*?[^\s])_(?!_|[^\spunctuation])|^\*([^\s<"][\s\S]*?[^\s\*])\*(?!\*|[^\spunctuation])|^\*([^\s*"<\[][\s\S]*?[^\s])\*(?!\*)/,
    code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
    br: /^( {2,}|\\)\n(?!\s*$)/,
    del: noop,
    text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n))|(?= {2,}\n))/
};

// list of punctuation marks from common mark spec
// without ` and ] to workaround Rule 17 (inline code blocks/links)
inline._punctuation = '!"#$%&\'()*+,\\-./:;<=>?@\\[^_{|}~';
inline.em = edit(inline.em).replace(/punctuation/g, inline._punctuation).getRegex();

inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;

inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
inline._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])?)+(?![-_])/;
inline.autolink = edit(inline.autolink)
    .replace('scheme', inline._scheme)
    .replace('email', inline._email)
    .getRegex();

inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;

inline.tag = edit(inline.tag)
    .replace('comment', block._comment)
    .replace('attribute', inline._attribute)
    .getRegex();

inline._label = /(?:\[[^\[\]]*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
inline._href = /<(?:\\[<>]?|[^\s<>\\])*>|[^\s\x00-\x1f]*/;
inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;

inline.link = edit(inline.link)
    .replace('label', inline._label)
    .replace('href', inline._href)
    .replace('title', inline._title)
    .getRegex();

inline.reflink = edit(inline.reflink)
    .replace('label', inline._label)
    .getRegex();

/**
 * Normal Inline Grammar
 */

inline.normal = merge({}, inline);

/**
 * Pedantic Inline Grammar
 */

inline.pedantic = merge({}, inline.normal, {
    strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
    em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
    link: edit(/^!?\[(label)\]\((.*?)\)/)
        .replace('label', inline._label)
        .getRegex(),
    reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/)
        .replace('label', inline._label)
        .getRegex()
});

/**
 * GFM Inline Grammar
 */

inline.gfm = merge({}, inline.normal, {
    escape: edit(inline.escape).replace('])', '~|])').getRegex(),
    _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
    url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
    _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
    del: /^~+(?=\S)([\s\S]*?\S)~+/,
    text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?= {2,}\n|[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
});

inline.gfm.url = edit(inline.gfm.url, 'i')
    .replace('email', inline.gfm._extended_email)
    .getRegex();
/**
 * GFM + Line Breaks Inline Grammar
 */

inline.breaks = merge({}, inline.gfm, {
    br: edit(inline.br).replace('{2,}', '*').getRegex(),
    text: edit(inline.gfm.text)
        .replace('\\b_', '\\b_| {2,}\\n')
        .replace(/\{2,\}/g, '*')
        .getRegex()
});

/**
 * Inline Lexer & Compiler
 */

function InlineLexer(links, options) {
    this.options = options || index.defaults;
    this.links = links;
    this.rules = inline.normal;
    this.renderer = this.options.renderer || new Renderer();
    this.renderer.options = this.options;

    if (!this.links) {
        throw new Error('Tokens array requires a `links` property.');
    }

    if (this.options.pedantic) {
        this.rules = inline.pedantic;
    } else if (this.options.gfm) {
        if (this.options.breaks) {
            this.rules = inline.breaks;
        } else {
            this.rules = inline.gfm;
        }
    }
}

/**
 * Expose Inline Rules
 */

InlineLexer.rules = inline;

/**
 * Static Lexing/Compiling Method
 */

InlineLexer.output = function (src, links, options) {
    var inline = new InlineLexer(links, options);
    return inline.output(src);
};

/**
 * Lexing/Compiling
 */

InlineLexer.prototype.output = function (src) {
    var out = '',
        link,
        text,
        href,
        title,
        cap,
        prevCapZero;

    while (src) {
        // escape
        if (cap = this.rules.escape.exec(src)) {
            src = src.substring(cap[0].length);
            out += escape(cap[1]);
            continue;
        }

        // tag
        if (cap = this.rules.tag.exec(src)) {
            if (!this.inLink && /^<a /i.test(cap[0])) {
                this.inLink = true;
            } else if (this.inLink && /^<\/a>/i.test(cap[0])) {
                this.inLink = false;
            }
            if (!this.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
                this.inRawBlock = true;
            } else if (this.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
                this.inRawBlock = false;
            }

            src = src.substring(cap[0].length);
            out += this.options.sanitize
                ? this.options.sanitizer
                    ? this.options.sanitizer(cap[0])
                    : escape(cap[0])
                : cap[0];
            continue;
        }

        // link
        if (cap = this.rules.link.exec(src)) {
            var lastParenIndex = findClosingBracket(cap[2], '()');
            if (lastParenIndex > -1) {
                var linkLen = 4 + cap[1].length + lastParenIndex;
                cap[2] = cap[2].substring(0, lastParenIndex);
                cap[0] = cap[0].substring(0, linkLen).trim();
                cap[3] = '';
            }
            src = src.substring(cap[0].length);
            this.inLink = true;
            href = cap[2];
            if (this.options.pedantic) {
                link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);

                if (link) {
                    href = link[1];
                    title = link[3];
                } else {
                    title = '';
                }
            } else {
                title = cap[3] ? cap[3].slice(1, -1) : '';
            }
            href = href.trim().replace(/^<([\s\S]*)>$/, '$1');
            out += this.outputLink(cap, {
                href: InlineLexer.escapes(href),
                title: InlineLexer.escapes(title)
            });
            this.inLink = false;
            continue;
        }

        // reflink, nolink
        if ((cap = this.rules.reflink.exec(src))
            || (cap = this.rules.nolink.exec(src))) {
            src = src.substring(cap[0].length);
            link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
            link = this.links[link.toLowerCase()];
            if (!link || !link.href) {
                out += cap[0].charAt(0);
                src = cap[0].substring(1) + src;
                continue;
            }
            this.inLink = true;
            out += this.outputLink(cap, link);
            this.inLink = false;
            continue;
        }

        // strong
        if (cap = this.rules.strong.exec(src)) {
            src = src.substring(cap[0].length);
            out += this.renderer.strong(this.output(cap[4] || cap[3] || cap[2] || cap[1]));
            continue;
        }

        // em
        if (cap = this.rules.em.exec(src)) {
            src = src.substring(cap[0].length);
            out += this.renderer.em(this.output(cap[6] || cap[5] || cap[4] || cap[3] || cap[2] || cap[1]));
            continue;
        }

        // code
        if (cap = this.rules.code.exec(src)) {
            src = src.substring(cap[0].length);
            out += this.renderer.codespan(escape(cap[2].trim(), true));
            continue;
        }

        // br
        if (cap = this.rules.br.exec(src)) {
            src = src.substring(cap[0].length);
            out += this.renderer.br();
            continue;
        }

        // del (gfm)
        if (cap = this.rules.del.exec(src)) {
            src = src.substring(cap[0].length);
            out += this.renderer.del(this.output(cap[1]));
            continue;
        }

        // autolink
        if (cap = this.rules.autolink.exec(src)) {
            src = src.substring(cap[0].length);
            if (cap[2] === '@') {
                text = escape(this.mangle(cap[1]));
                href = 'mailto:' + text;
            } else {
                text = escape(cap[1]);
                href = text;
            }
            out += this.renderer.link(href, null, text);
            continue;
        }

        // url (gfm)
        if (!this.inLink && (cap = this.rules.url.exec(src))) {
            if (cap[2] === '@') {
                text = escape(cap[0]);
                href = 'mailto:' + text;
            } else {
                // do extended autolink path validation
                do {
                    prevCapZero = cap[0];
                    cap[0] = this.rules._backpedal.exec(cap[0])[0];
                } while (prevCapZero !== cap[0]);
                text = escape(cap[0]);
                if (cap[1] === 'www.') {
                    href = 'http://' + text;
                } else {
                    href = text;
                }
            }
            src = src.substring(cap[0].length);
            out += this.renderer.link(href, null, text);
            continue;
        }

        // text
        if (cap = this.rules.text.exec(src)) {
            src = src.substring(cap[0].length);
            if (this.inRawBlock) {
                out += this.renderer.text(this.options.sanitize ? (this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0])) : cap[0]);
            } else {
                out += this.renderer.text(escape(this.smartypants(cap[0])));
            }
            continue;
        }

        if (src) {
            throw new Error('Infinite loop on byte: ' + src.charCodeAt(0));
        }
    }

    return out;
};

InlineLexer.escapes = function (text) {
    return text ? text.replace(InlineLexer.rules._escapes, '$1') : text;
};

/**
 * Compile Link
 */

InlineLexer.prototype.outputLink = function (cap, link) {
    var href = link.href,
        title = link.title ? escape(link.title) : null;

    return cap[0].charAt(0) !== '!'
        ? this.renderer.link(href, title, this.output(cap[1]))
        : this.renderer.image(href, title, escape(cap[1]));
};

/**
 * Smartypants Transformations
 */

InlineLexer.prototype.smartypants = function (text) {
    if (!this.options.smartypants) return text;
    return text
    // em-dashes
        .replace(/---/g, '\u2014')
        // en-dashes
        .replace(/--/g, '\u2013')
        // opening singles
        .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
        // closing singles & apostrophes
        .replace(/'/g, '\u2019')
        // opening doubles
        .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
        // closing doubles
        .replace(/"/g, '\u201d')
        // ellipses
        .replace(/\.{3}/g, '\u2026');
};

/**
 * Mangle Links
 */

InlineLexer.prototype.mangle = function (text) {
    if (!this.options.mangle) return text;
    var out = '',
        l = text.length,
        i = 0,
        ch;

    for (; i < l; i++) {
        ch = text.charCodeAt(i);
        if (Math.random() > 0.5) {
            ch = 'x' + ch.toString(16);
        }
        out += '&#' + ch + ';';
    }

    return out;
};

/**
 * Renderer
 */

function Renderer(options) {
    this.options = options || index.defaults;
}

Renderer.prototype.code = function (code, infostring, escaped) {
    var lang = (infostring || '').match(/\S*/)[0];
    if (this.options.highlight) {
        var out = this.options.highlight(code, lang);
        if (out != null && out !== code) {
            escaped = true;
            code = out;
        }
    }

    if (!lang) {
        return '<pre><code>'
            + (escaped ? code : escape(code, true))
            + '</code></pre>';
    }

    return '<pre><code class="'
        + this.options.langPrefix
        + escape(lang, true)
        + '">'
        + (escaped ? code : escape(code, true))
        + '</code></pre>\n';
};

Renderer.prototype.blockquote = function (quote) {
    return '<blockquote>\n' + quote + '</blockquote>\n';
};

Renderer.prototype.html = function (html) {
    return html;
};

Renderer.prototype.heading = function (text, level, raw, slugger) {
    let toc = tocObj.add(text, level);
    if (this.options.headerIds) {
        return '<h'
            + level
            + ' id="'
            + this.options.headerPrefix
            + slugger.slug(raw)
            + '"'
            + ' toc-id="' + toc + '">'
            + text
            + '</h'
            + level
            + '>\n';
    }
    // ignore IDs
    return '<h' + level + ' toc-id="' + toc + '">' + text + '</h' + level + '>\n';
};

Renderer.prototype.hr = function () {
    return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
};

Renderer.prototype.list = function (body, ordered, start) {
    var type = ordered ? 'ol' : 'ul',
        startatt = (ordered && start !== 1) ? (' start="' + start + '"') : '';
    return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
};

Renderer.prototype.listitem = function (text) {
    const reg = /\<input.+\>/;
    let className = '';
    if(reg.test(text)){
        className = 'list-item-checkbox';
        if(/checked/.test(text)){
            className += ' list-item-checkbox-checked';
        }
    }
    return `<li class="${className} ">${text}</li>\n`;
};

Renderer.prototype.checkbox = function (checked) {
    return '<input '
        + (checked ? 'checked ' : '')
        + 'disabled type="checkbox"'
        + (this.options.xhtml ? ' /' : '')
        + '> ';
};

Renderer.prototype.paragraph = function (text) {
    return '<p>' + text + '</p>\n';
};

Renderer.prototype.table = function (header, body) {
    if (body) body = '<tbody>' + body + '</tbody>';

    return '<table>\n'
        + '<thead>\n'
        + header
        + '</thead>\n'
        + body
        + '</table>\n';
};

Renderer.prototype.tablerow = function (content) {
    return '<tr>\n' + content + '</tr>\n';
};

Renderer.prototype.tablecell = function (content, flags) {
    var type = flags.header ? 'th' : 'td';
    var tag = flags.align
        ? '<' + type + ' align="' + flags.align + '">'
        : '<' + type + '>';
    return tag + content + '</' + type + '>\n';
};

// span level renderer
Renderer.prototype.strong = function (text) {
    return '<strong>' + text + '</strong>';
};

Renderer.prototype.em = function (text) {
    return '<em>' + text + '</em>';
};

Renderer.prototype.codespan = function (text) {
    return '<code>' + text + '</code>';
};

Renderer.prototype.br = function () {
    return this.options.xhtml ? '<br/>' : '<br>';
};

Renderer.prototype.del = function (text) {
    return '<del>' + text + '</del>';
};

Renderer.prototype.link = function (href, title, text) {
    href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
    if (href === null) {
        return text;
    }
    var out = '<a href="' + escape(href) + '"';
    if (title) {
        out += ' title="' + title + '"';
    }
    out += '>' + text + '</a>';
    return out;
};

Renderer.prototype.image = function (href, title, text) {
    href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
    if (href === null) {
        return text;
    }

    var out = '<img src="' + href + '" alt="' + text + '"';
    if (title) {
        out += ' title="' + title + '"';
    }
    out += this.options.xhtml ? '/>' : '>';
    return out;
};

Renderer.prototype.text = function (text) {
    return text;
};

/**
 * TextRenderer
 * returns only the textual part of the token
 */

function TextRenderer() {
}

// no need for block level renderers

TextRenderer.prototype.strong =
    TextRenderer.prototype.em =
        TextRenderer.prototype.codespan =
            TextRenderer.prototype.del =
                TextRenderer.prototype.text = function (text) {
                    return text;
                };

TextRenderer.prototype.link =
    TextRenderer.prototype.image = function (href, title, text) {
        return '' + text;
    };

TextRenderer.prototype.br = function () {
    return '';
};

/**
 * Parsing & Compiling
 */

function Parser(options) {
    this.tokens = [];
    this.token = null;
    this.options = options || index.defaults;
    this.options.renderer = this.options.renderer || new Renderer();
    this.renderer = this.options.renderer;
    this.renderer.options = this.options;
    this.slugger = new Slugger();
}

/**
 * Static Parse Method
 */

Parser.parse = function (src, options) {
    var parser = new Parser(options);
    return parser.parse(src);
};

/**
 * Parse Loop
 */

Parser.prototype.parse = function (src) {
    this.inline = new InlineLexer(src.links, this.options);
    // use an InlineLexer with a TextRenderer to extract pure text
    this.inlineText = new InlineLexer(
        src.links,
        merge({}, this.options, {renderer: new TextRenderer()})
    );
    this.tokens = src.reverse();

    var out = '';
    while (this.next()) {
        out += this.tok();
    }

    return out;
};

/**
 * Next Token
 */

Parser.prototype.next = function () {
    this.token = this.tokens.pop();
    return this.token;
};

/**
 * Preview Next Token
 */

Parser.prototype.peek = function () {
    return this.tokens[this.tokens.length - 1] || 0;
};

/**
 * Parse Text Tokens
 */

Parser.prototype.parseText = function () {
    var body = this.token.text;

    while (this.peek().type === 'text') {
        body += '\n' + this.next().text;
    }

    return this.inline.output(body);
};

/**
 * Parse Current Token
 */

Parser.prototype.tok = function () {
    switch (this.token.type) {
        case 'space': {
            return '';
        }
        case 'hr': {
            return this.renderer.hr();
        }
        case 'heading': {
            return this.renderer.heading(
                this.inline.output(this.token.text),
                this.token.depth,
                unescape(this.inlineText.output(this.token.text)),
                this.slugger);
        }
        case 'code': {
            return this.renderer.code(this.token.text,
                this.token.lang,
                this.token.escaped);
        }
        case 'table': {
            var header = '',
                body = '',
                i,
                row,
                cell,
                j;

            // header
            cell = '';
            for (i = 0; i < this.token.header.length; i++) {
                cell += this.renderer.tablecell(
                    this.inline.output(this.token.header[i]),
                    {header: true, align: this.token.align[i]}
                );
            }
            header += this.renderer.tablerow(cell);

            for (i = 0; i < this.token.cells.length; i++) {
                row = this.token.cells[i];

                cell = '';
                for (j = 0; j < row.length; j++) {
                    cell += this.renderer.tablecell(
                        this.inline.output(row[j]),
                        {header: false, align: this.token.align[j]}
                    );
                }

                body += this.renderer.tablerow(cell);
            }
            return this.renderer.table(header, body);
        }
        case 'blockquote_start': {
            body = '';

            while (this.next().type !== 'blockquote_end') {
                body += this.tok();
            }

            return this.renderer.blockquote(body);
        }
        case 'list_start': {
            body = '';
            var ordered = this.token.ordered,
                start = this.token.start;

            while (this.next().type !== 'list_end') {
                body += this.tok();
            }
            return this.renderer.list(body, ordered, start);
        }
        case 'list_item_start': {
            body = '';
            var loose = this.token.loose;
            var checked = this.token.checked;
            var task = this.token.task;

            if (this.token.task) {
                body += this.renderer.checkbox(checked);
            }

            while (this.next().type !== 'list_item_end') {
                body += !loose && this.token.type === 'text'
                    ? this.parseText()
                    : this.tok();
            }
            return this.renderer.listitem(body, task, checked);
        }
        case 'html': {
            // TODO parse inline content if parameter src=1
            return this.renderer.html(this.token.text);
        }
        case 'paragraph': {
            return this.renderer.paragraph(this.inline.output(this.token.text));
        }
        case 'text': {
            return this.renderer.paragraph(this.parseText());
        }
        default: {
            var errMsg = 'Token with "' + this.token.type + '" type was not found.';
            if (this.options.silent) {
                console.log(errMsg);
            } else {
                throw new Error(errMsg);
            }
        }
    }
};

/**
 * Slugger generates header id
 */

function Slugger() {
    this.seen = {};
}

/**
 * Convert string to unique id
 */

Slugger.prototype.slug = function (value) {
    var slug = value
        .toLowerCase()
        .trim()
        .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '')
        .replace(/\s/g, '-');

    if (this.seen.hasOwnProperty(slug)) {
        var originalSlug = slug;
        do {
            this.seen[originalSlug]++;
            slug = originalSlug + '-' + this.seen[originalSlug];
        } while (this.seen.hasOwnProperty(slug));
    }
    this.seen[slug] = 0;

    return slug;
};

/**
 * Helpers
 */

function escape(html, encode) {
    if (encode) {
        if (escape.escapeTest.test(html)) {
            return html.replace(escape.escapeReplace, function (ch) {
                return escape.replacements[ch];
            });
        }
    } else {
        if (escape.escapeTestNoEncode.test(html)) {
            return html.replace(escape.escapeReplaceNoEncode, function (ch) {
                return escape.replacements[ch];
            });
        }
    }

    return html;
}

escape.escapeTest = /[&<>"']/;
escape.escapeReplace = /[&<>"']/g;
escape.replacements = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#39;'
};

escape.escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
escape.escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;

function unescape(html) {
    // explicitly match decimal, hex, and named HTML entities
    return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig, function (_, n) {
        n = n.toLowerCase();
        if (n === 'colon') return ':';
        if (n.charAt(0) === '#') {
            return n.charAt(1) === 'x'
                ? String.fromCharCode(parseInt(n.substring(2), 16))
                : String.fromCharCode(+n.substring(1));
        }
        return '';
    });
}

function edit(regex, opt) {
    regex = regex.source || regex;
    opt = opt || '';
    return {
        replace: function (name, val) {
            val = val.source || val;
            val = val.replace(/(^|[^\[])\^/g, '$1');
            regex = regex.replace(name, val);
            return this;
        },
        getRegex: function () {
            return new RegExp(regex, opt);
        }
    };
}

function cleanUrl(sanitize, base, href) {
    if (sanitize) {
        try {
            var prot = decodeURIComponent(unescape(href))
                .replace(/[^\w:]/g, '')
                .toLowerCase();
        } catch (e) {
            return null;
        }
        if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
            return null;
        }
    }
    if (base && !originIndependentUrl.test(href)) {
        href = resolveUrl(base, href);
    }
    try {
        href = encodeURI(href).replace(/%25/g, '%');
    } catch (e) {
        return null;
    }
    return href;
}

function resolveUrl(base, href) {
    if (!baseUrls[' ' + base]) {
        // we can ignore everything in base after the last slash of its path component,
        // but we might need to add _that_
        // https://tools.ietf.org/html/rfc3986#section-3
        if (/^[^:]+:\/*[^/]*$/.test(base)) {
            baseUrls[' ' + base] = base + '/';
        } else {
            baseUrls[' ' + base] = rtrim(base, '/', true);
        }
    }
    base = baseUrls[' ' + base];

    if (href.slice(0, 2) === '//') {
        return base.replace(/:[\s\S]*/, ':') + href;
    } else if (href.charAt(0) === '/') {
        return base.replace(/(:\/*[^/]*)[\s\S]*/, '$1') + href;
    } else {
        return base + href;
    }
}

var baseUrls = {};
var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;

function noop() {
}

noop.exec = noop;

function merge(obj) {
    var i = 1,
        target,
        key;

    for (; i < arguments.length; i++) {
        target = arguments[i];
        for (key in target) {
            if (Object.prototype.hasOwnProperty.call(target, key)) {
                obj[key] = target[key];
            }
        }
    }

    return obj;
}

function splitCells(tableRow, count) {
    // ensure that every cell-delimiting pipe has a space
    // before it to distinguish it from an escaped pipe
    var row = tableRow.replace(/\|/g, function (match, offset, str) {
            var escaped = false,
                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(/ \|/),
        i = 0;

    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.
// invert: Remove suffix of non-c chars instead. Default falsey.
function rtrim(str, c, invert) {
    if (str.length === 0) {
        return '';
    }

    // Length of suffix matching the invert condition.
    var suffLen = 0;

    // Step left until we fail to match the invert condition.
    while (suffLen < str.length) {
        var currChar = str.charAt(str.length - suffLen - 1);
        if (currChar === c && !invert) {
            suffLen++;
        } else if (currChar !== c && invert) {
            suffLen++;
        } else {
            break;
        }
    }

    return str.substr(0, str.length - suffLen);
}

function findClosingBracket(str, b) {
    if (str.indexOf(b[1]) === -1) {
        return -1;
    }
    var level = 0;
    for (var 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;
}

function checkSanitizeDeprecation(opt) {
    if (opt && opt.sanitize && !opt.silent) {
        console.warn('index(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/#/USING_ADVANCED.md#options');
    }
}

/**
 * Marked
 */

function index(src, opt, callback) {
    // throw error in case of non string input
    if (typeof src === 'undefined' || src === null) {
        throw new Error('index(): input parameter is undefined or null');
    }
    if (typeof src !== 'string') {
        throw new Error('index(): input parameter is of type '
            + Object.prototype.toString.call(src) + ', string expected');
    }

    if (callback || typeof opt === 'function') {
        if (!callback) {
            callback = opt;
            opt = null;
        }

        opt = merge({}, index.defaults, opt || {});
        checkSanitizeDeprecation(opt);

        var highlight = opt.highlight,
            tokens,
            pending,
            i = 0;

        try {
            tokens = Lexer.lex(src, opt);
        } catch (e) {
            return callback(e);
        }

        pending = tokens.length;

        var done = function (err) {
            if (err) {
                opt.highlight = highlight;
                return callback(err);
            }

            var out;

            try {
                out = Parser.parse(tokens, opt);
            } catch (e) {
                err = e;
            }

            opt.highlight = highlight;

            return err
                ? callback(err)
                : callback(null, out);
        };

        if (!highlight || highlight.length < 3) {
            return done();
        }

        delete opt.highlight;

        if (!pending) return done();

        for (; i < tokens.length; i++) {
            (function (token) {
                if (token.type !== 'code') {
                    return --pending || done();
                }
                return highlight(token.text, token.lang, function (err, code) {
                    if (err) return done(err);
                    if (code == null || code === token.text) {
                        return --pending || done();
                    }
                    token.text = code;
                    token.escaped = true;
                    --pending || done();
                });
            })(tokens[i]);
        }

        return;
    }
    try {
        if (opt) opt = merge({}, index.defaults, opt);
        checkSanitizeDeprecation(opt);
        return Parser.parse(Lexer.lex(src, opt), opt);
    } catch (e) {
        e.message += '\nPlease report this to https://github.com/markedjs/marked.';
        if ((opt || index.defaults).silent) {
            return '<p>An error occurred:</p><pre>'
                + escape(e.message + '', true)
                + '</pre>';
        }
        throw e;
    }
}

/**
 * Options
 */

index.options =
    index.setOptions = function (opt) {
        merge(index.defaults, opt);
        return index;
    };

index.getDefaults = function () {
    return {
        baseUrl: null,
        breaks: false,
        gfm: true,
        headerIds: true,
        headerPrefix: '',
        highlight: null,
        langPrefix: 'language-',
        mangle: true,
        pedantic: false,
        renderer: new Renderer(),
        sanitize: false,
        sanitizer: null,
        silent: false,
        smartLists: false,
        smartypants: false,
        xhtml: false
    };
};

index.defaults = index.getDefaults();

/**
 * Expose
 */

index.Parser = Parser;
index.parser = Parser.parse;

index.Renderer = Renderer;
index.TextRenderer = TextRenderer;

index.Lexer = Lexer;
index.lexer = Lexer.lex;

index.InlineLexer = InlineLexer;
index.inlineLexer = InlineLexer.output;

index.Slugger = Slugger;

index.parse = index;

export default index
