sharp.js

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

const target = path.resolve(__dirname, 'src/public/images/hero')
const destination = path.resolve(__dirname, 'src/public/images/hero')

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

fs.readdirSync(target).forEach((image) => {
  sharp(`${target}/${image}`)
    .resize(1280)
    .toFile(
      path.resolve(
        __dirname,
      `${destination}/${image.split('.').slice(0, -1).join('.')}-xlarge.jpg`
      )
    )

  sharp(`${target}/${image}`)
    .resize(700)
    .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`
      )
    )
})