text: const favicons = require('favicons');
  const path = require('path');
  const fs = require('fs');
  
  const { name, themeColor, backgroundColor } = require('../site-config');
  const dir = path.resolve(__dirname, '../public/icons/');
  
  if (!fs.existsSync(dir)) fs.mkdirSync(dir);
  
  const source = 'data/assets/logo.png';
  const configuration = {
    path: '/icons/',
    appName: name,
    appDescription: null,
    developerName: null,
    developerURL: null,
    dir: 'auto',
    lang: 'en-US',
    background: backgroundColor,
    theme_color: themeColor,
    display: 'standalone',
    orientation: 'any',
    start_url: '/',
    version: '1.0',
    logging: true,
    icons: {
      android: true,
      appleIcon: true,
      appleStartup: true,
      coast: false,
      favicons: true,
      firefox: false,
      windows: true,
      yandex: false,
    },
  };
  
  const callback = function (err, res) {
    if (err) return;
  
    res.images.forEach(image => {
      fs.writeFile(
        path.resolve(__dirname, '../public/icons/', image.name),
        image.contents,
        err => {
          if (err) console.log(err);
        }
      );
    });
  
    res.files.forEach(file => {
      fs.writeFile(
        path.resolve(__dirname, '../public/', file.name),
        file.contents,
        err => {
          if (err) console.log(err);
        }
      );
    });
  };
  
  favicons(source, configuration, callback);
  