make frontmatter for md files

gistfile1.txt

const { promisify } = require("util");
const fs = require("fs");

const readFileAsync = promisify(fs.readFile);
const writeFileAsync = promisify(fs.writeFile);
const readDirAsync = promisify(fs.readdir);

async function doIt() {
	let fileList = await readDirAsync(__dirname);

	fileList = fileList.filter(f => {
		return f.endsWith(".md");
	});

	const modified = [];
	for (f of fileList) {
		let fileContent = await readFileAsync(__dirname + "/" + f);

		if (!fileContent.toString().startsWith("---")) {
			const pageName = f.toString().replace(".md", "");
			const title = pageName.substr(0, 1).toUpperCase() + pageName.substr(1, pageName.length);
			const frontMatter = `---
path: "/css-docs/${pageName}"
date: "20178-01-23"
title: "${title}"
---

`;
			fileContent = frontMatter + fileContent;
			await writeFileAsync(__dirname + "/fm-" + f, fileContent);
			modified.push(f);
		}
	}

	return modified;
}

doIt()
	.then(modded => {
		console.log("These files got frontmatter added: \n", modded);
	})
	.catch(console.error);