Convert Sonic Pi Tutorial to epub

readme.md

• Download Sonic Pi repo
• Add above to /sonic-pi/etc/doc/tutorial
• Install pandoc, e.g. brew install pandoc
• Run node build.js
• Run pandoc -o sonic-pi-tutorial.epub tutorial.md

build.js

const fs = require("fs");
const path = require("path");

const mds = fs.readdirSync("./").filter((f) => f.includes(".md"));

let contents = `
---
title: Sonic Pi Tutorial
author: Sam Aaron
...

`;

const titleRe = /^#{1,6}.*/;

mds.forEach((md) => {
  const fileContents = String(fs.readFileSync(md));

  const processed = fileContents
    .split("\n")
    .map((line, i) => {
      if (i === 0) {
        return "# " + line;
      } else if (titleRe.test(line)) {
        return "#" + line;
      } else {
        return line;
      }
    })
    .join("\n");

  contents += processed;
  contents += "\n\n";
});

fs.writeFileSync("tutorial.md", contents);