text: const fs = require('fs-extra');
  
  // generate cli.md
  const cli = require('../../cli');
  const template = fs.readFileSync('../docs/cli.md.template');
  
  fs.writeFileSync('../docs/cli.md', [template,
      ...cli.options.map(option => `### \`${option.flags}\`
  ${option.description}${((option.bool && option.defaultValue !== undefined)
  ? ' (default: ' + option.defaultValue + ')' : '')}
  `),
      '### `-h, --help`\nOutput usage information', ''].join('\n'));
  
  // copy local built KaTeX
  fs.copySync('../dist/katex.min.js', 'static/static/katex.min.js');
  fs.copySync('../dist/katex.min.css', 'static/static/katex.min.css');
  fs.copySync('../dist/fonts', 'static/static/fonts');
  
  // use KaTeX from CDN on the main page for Netlify production deploy
  if (process.env.CONTEXT === 'production') {
      const version = require('../versions.json')[0];
      let indexHtml = fs.readFileSync('pages/index.html', 'utf8');
      indexHtml = indexHtml.replace(/(["'])static\/(katex|fonts)/g,
          `$1https://cdn.jsdelivr.net/npm/katex@${version}/dist/$2`);
      fs.writeFileSync('pages/index.html', indexHtml);
  }
  