Added a table of contents snippet

client/homebrew/editor/snippetbar/snippets/tableOfContents.gen.js

@@ -0,0 +1,72 @@
+const _ = require('lodash');
+
+const getTOC = (pages) => {
+	const add1 = (title, page)=>{
+		res.push({
+			title : title,
+			page : page + 1,
+			children : []
+		});
+	}
+	const add2 = (title, page)=>{
+		if(!_.last(res)) add1('', page);
+		_.last(res).children.push({
+			title : title,
+			page : page + 1,
+			children : []
+		});
+	}
+	const add3 = (title, page)=>{
+		if(!_.last(res)) add1('', page);
+		if(!_.last(_.last(res).children)) add2('', page);
+		_.last(_.last(res).children).children.push({
+			title : title,
+			page : page + 1,
+			children : []
+		});
+	}
+
+	let res = [];
+	_.each(pages, (page, pageNum)=>{
+		const lines = page.split('\n');
+		_.each(lines, (line) => {
+			if(_.startsWith(line, '# ')){
+				const title = line.replace('# ', '');
+				add1(title, pageNum)
+			}
+			if(_.startsWith(line, '## ')){
+				const title = line.replace('## ', '');
+				add2(title, pageNum);
+			}
+			if(_.startsWith(line, '### ')){
+				const title = line.replace('### ', '');
+				add3(title, pageNum);
+			}
+		})
+	});
+	return res;
+}
+
+module.exports = function(brew){
+	const pages = brew.split('\\page');
+	const TOC = getTOC(pages);
+	const markdown = _.reduce(TOC, (r, g1, idx1)=>{
+		r.push(`- **[${idx1 + 1} ${g1.title}](#p${g1.page})**`)
+		if(g1.children.length){
+			_.each(g1.children, (g2, idx2) => {
+				r.push(`  - [${idx1 + 1}.${idx2 + 1} ${g2.title}](#p${g2.page})`);
+				if(g2.children.length){
+					_.each(g2.children, (g3, idx3) => {
+						r.push(`    - [${idx1 + 1}.${idx2 + 1}.${idx3 + 1} ${g3.title}](#p${g3.page})`);
+					});
+				}
+			});
+		}
+		return r;
+	}, []).join('\n');
+
+	return `<div class='toc'>
+##### Table Of Contents
+${markdown}
+</div>\n`;
+}