sharp.js

// eslint-disable-next-line import/no-extraneous-dependencies
const sharp = require('sharp');
const fs = require('fs');
const path = require('path');

const target = path.resolve(__dirname, 'src/public/images/heros');
const destination = path.resolve(__dirname, 'dist/images/heros');
const pattern = /(large|small).*/g;

if (!fs.existsSync(destination)) {
  fs.mkdirSync(destination);
}

fs.readdirSync(target)
  .forEach((image) => {
    if (!image.match(pattern)) {
      sharp(`${target}/${image}`)
        .resize(800)
        .toFile(
          path.resolve(__dirname, `${destination}/${image.split('.')
            .slice(0, -1)
            .join('.')}-large.jpg`),
        );

      sharp(`${target}/${image}`)
        .resize(480)
        .toFile(
          path.resolve(__dirname, `${destination}/${image.split('.')
            .slice(0, -1)
            .join('.')}-small.jpg`),
        );
    }
  });

fs.readdirSync(destination)
  .forEach((image) => {
    if (!fs.existsSync(`${target}/${image}`)) {
      fs.copyFileSync(`${destination}/${image}`, `${target}/${image}`, fs.constants.COPYFILE_EXCL);
    }
  });