Transform IRC logs into Markdown

irc.js

#!/usr/bin/env node

require('fs').readFile(process.argv[2], (err, data) => {
  if (err) return;
  const content = data.toString().trim();
  const re = /^\[(.+?)\]\s+<(.+?)>\s(.*)$/gm;
  const chat = [];
  let current = {};
  while (match = re.exec(content)) {
    if (match[2] !== current.name) {
      chat.push(current = {
        time: match[1],
        name: match[2],
        content: match[3]
      });
    } else {
      current.content += '\n\n' + match[3];
    }
  }
  console.log(chat.map(user =>
`<sub><sup>[${user.time}]</sup></sub> **${user.name}**

${user.content.replace(/```[\S\s]+?```/g, $0 => $0.replace(/\n\n/g, '\n'))}
- - -`
  ).join('\n\n'));
});