text: 'use strict';
  
  // get dependencies
  const fs = require('fs');
  const prettier = require('prettier');
  const imagesResponsiver = require('../../../index.js');
  
  // get the HTML content of the source file
  const src = fs.readFileSync('./page.html', { encoding: 'utf8' });
  
  // run images-responsiver on the source HTML string
  const dist = imagesResponsiver(src);
  
  // write the result into a new file
  fs.writeFileSync(
    'page-enhanced.html',
    prettier.format(dist, { parser: 'html' })
  );
  