markdown-it-toc-done-right/dist/markdownItTocDoneRight.mjs.map

Table of contents (TOC) for markdown-it markdown parser with focus on semantic and security.

{"version":3,"file":"markdownItTocDoneRight.mjs","sources":["../index.js"],"sourcesContent":["'use strict'\n\nfunction slugify (x) {\n  return encodeURIComponent(String(x).trim().toLowerCase().replace(/\\s+/g, '-'))\n}\n\nfunction htmlencode (x) {\n/*\n  // safest, delegate task to native -- IMPORTANT: enabling this breaks both jest and runkit, but with browserify it's fine\n  if (document && document.createElement) {\n    const el = document.createElement(\"div\")\n    el.innerText = x\n    return el.innerHTML\n  }\n*/\n\n  return String(x)\n    .replace(/&/g, '&amp;')\n    .replace(/\"/g, '&quot;')\n    .replace(/'/g, '&#39;')\n    .replace(/</g, '&lt;')\n    .replace(/>/g, '&gt;')\n}\n\nfunction tocPlugin (md, options) {\n  options = Object.assign({}, {\n    placeholder: '(\\\\$\\\\{toc\\\\}|\\\\[\\\\[?_?toc_?\\\\]?\\\\]|\\\\$\\\\<toc(\\\\{[^}]*\\\\})\\\\>)',\n    slugify: slugify,\n    uniqueSlugStartIndex: 1,\n    containerClass: 'table-of-contents',\n    containerId: undefined,\n 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options, env, renderer */) {\n    return '</nav>'\n  }\n\n  md.renderer.rules.tocBody = function (tokens, idx/* , options, env, renderer */) {\n    let _options = Object.assign({}, options)\n    if (tokens && idx >= 0) {\n      const token = tokens[idx]\n      _options = Object.assign(_options, token.inlineOptions)\n    }\n\n    const uniques = {}\n    function unique (s) {\n      let u = s\n      let i = _options.uniqueSlugStartIndex\n      while (Object.prototype.hasOwnProperty.call(uniques, u)) u = `${s}-${i++}`\n      uniques[u] = true\n      return u\n    }\n\n    const isLevelSelectedNumber = selection => level => level >= selection\n    const isLevelSelectedArray = selection => level => selection.includes(level)\n\n    const isLevelSelected = Array.isArray(_options.level)\n      ? isLevelSelectedArray(_options.level)\n      : isLevelSelectedNumber(_options.level)\n\n    function ast2html (tree) {\n      const listClass = _options.listClass ? ` class=\"${htmlencode(_options.listClass)}\"` : ''\n      const itemClass = _options.itemClass ? ` class=\"${htmlencode(_options.itemClass)}\"` : ''\n      const linkClass = _options.linkClass ? ` class=\"${htmlencode(_options.linkClass)}\"` : ''\n\n      if (tree.c.length === 0) return ''\n\n      let buffer = ''\n      if (tree.l === 0 || isLevelSelected(tree.l)) {\n        buffer += (`<${htmlencode(_options.listType) + listClass}>`)\n      }\n      tree.c.forEach(node => {\n        if (isLevelSelected(node.l)) {\n          buffer += (`<li${itemClass}><a${linkClass} href=\"#${unique(options.slugify(node.n))}\">${typeof _options.format === 'function' ? _options.format(node.n, htmlencode) : htmlencode(node.n)}</a>${ast2html(node)}</li>`)\n        } else {\n          buffer += ast2html(node)\n        }\n      })\n      if (tree.l === 0 || isLevelSelected(tree.l)) {\n        buffer += (`</${htmlencode(_options.listType)}>`)\n      }\n      return buffer\n    }\n\n    return ast2html(ast)\n  }\n\n  function headings2ast (tokens) {\n    const ast = { l: 0, n: '', c: [] }\n    const stack = [ast]\n\n    for (let i = 0, iK = tokens.length; i < iK; i++) {\n      const token = tokens[i]\n      if (token.type === 'heading_open') {\n        const key = (\n          tokens[i + 1]\n            .children\n            .filter(function (token) { return token.type === 'text' || token.type === 'code_inline' })\n            .reduce(function (s, t) { return s + t.content }, '')\n        )\n\n        const node = {\n          l: parseInt(token.tag.substr(1), 10),\n          n: key,\n          c: []\n        }\n\n        if (node.l > stack[0].l) {\n          stack[0].c.push(node)\n          stack.unshift(node)\n        } else if (node.l === stack[0].l) {\n          stack[1].c.push(node)\n          stack[0] = node\n        } else {\n          while (node.l <= stack[0].l) stack.shift()\n          stack[0].c.push(node)\n          stack.unshift(node)\n        }\n      }\n    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