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@@ -9,7 +9,10 @@ var Promise = require('bluebird'),
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mdFootnote = require('markdown-it-footnote'),
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mdExternalLinks = require('markdown-it-external-links'),
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mdExpandTabs = require('markdown-it-expand-tabs'),
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+ mdAttrs = require('markdown-it-attrs'),
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+ hljs = require('highlight.js'),
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slug = require('slug'),
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+ cheerio = require('cheerio'),
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_ = require('lodash');
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// Load plugins
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@@ -17,7 +20,15 @@ var Promise = require('bluebird'),
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var mkdown = md({
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html: true,
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linkify: true,
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- typography: true
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+ typography: true,
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+ highlight: function (str, lang) {
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+ if (lang && hljs.getLanguage(lang)) {
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+ try {
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+ return '<pre class="hljs"><code>' + hljs.highlight(lang, str, true).value + '</code></pre>';
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+ } catch (__) {}
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+ }
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+ return '<pre class="hljs"><code>' + hljs.highlightAuto(str).value + '</code></pre>';
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+ }
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})
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.use(mdEmoji)
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.use(mdTaskLists)
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@@ -33,7 +44,8 @@ var mkdown = md({
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})
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.use(mdExpandTabs, {
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tabWidth: 4
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- });
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+ })
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+ .use(mdAttrs);
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// Rendering rules
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@@ -41,13 +53,23 @@ mkdown.renderer.rules.emoji = function(token, idx) {
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return '<i class="twa twa-' + token[idx].markup + '"></i>';
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};
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-// Parse markdown headings tree
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+mkdown.inline.ruler.push('internal_link', (state) => {
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+});
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+
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+/**
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+ * Parse markdown content and build TOC tree
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+ *
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+ * @param {(Function|string)} content Markdown content
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+ * @return {Array} TOC tree
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+ */
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const parseTree = (content) => {
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let tokens = md().parse(content, {});
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let tocArray = [];
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+ //-> Extract headings and their respective levels
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+
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for (let i = 0; i < tokens.length; i++) {
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if (tokens[i].type !== "heading_close") {
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continue
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@@ -75,6 +97,12 @@ const parseTree = (content) => {
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}
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}
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+ //-> Exclude levels deeper than 2
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+
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+ _.remove(tocArray, (n) => { return n.level > 2; });
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+
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+ //-> Build tree from flat array
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+
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return _.reduce(tocArray, (tree, v) => {
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let treeLength = tree.length - 1;
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if(v.level < 2) {
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@@ -98,23 +126,42 @@ const parseTree = (content) => {
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};
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let lastNodePath = GetNodePath();
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let lastNode = _.get(tree[treeLength], lastNodePath);
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- lastNode.push({
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- content: v.content,
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- anchor: v.anchor,
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- nodes: []
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- });
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- _.set(tree[treeLength], lastNodePath, lastNode);
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+ if(lastNode) {
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+ lastNode.push({
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+ content: v.content,
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+ anchor: v.anchor,
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+ nodes: []
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+ });
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+ _.set(tree[treeLength], lastNodePath, lastNode);
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+ }
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}
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return tree;
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}, []);
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};
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+/**
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+ * Parse markdown content to HTML
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+ *
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+ * @param {String} content Markdown content
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+ * @return {String} HTML formatted content
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+ */
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+const parseContent = (content) => {
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+
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+ let output = mkdown.render(content);
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+ let cr = cheerio.load(output);
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+ cr('table').addClass('table is-bordered is-striped is-narrow');
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+ output = cr.html();
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+
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+ return output;
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+
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+};
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+
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module.exports = {
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parse(content) {
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return {
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- html: mkdown.render(content),
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+ html: parseContent(content),
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tree: parseTree(content)
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};
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}
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NGPixel