replace /{{bug\((\d+)\)}}/g to [Firefox bug $1](https://bugzil.la/$1)

replace_macro.js

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

const pattern = /{{\s*[bB]ug\("?(\d+)"?\)\s*}}/g;
const replacement = '[Firefox bug $1](https://bugzil.la/$1)';

function processFile(file) {
  fs.readFile(file, 'utf8', (err, data) => {
    if (err) {
      console.error(err);
      return;
    }

    const result = data.replace(pattern, replacement);

    if (result !== data) {
      fs.writeFile(file, result, 'utf8', (err) => {
        if (err) {
          console.error(err);
        } else {
          console.log(`File '${file}' updated.`);
        }
      });
    }
  });
}

function processDirectory(dir) {
  const files = fs.readdirSync(dir);

  files.forEach((file) => {
    const filePath = path.join(dir, file);
    const stat = fs.statSync(filePath);

    if (stat.isDirectory()) {
      processDirectory(filePath);
    } else if (stat.isFile()) {
      processFile(filePath);
    }
  });
}

const rootDir = process.argv[2] || '.';
processDirectory(rootDir);