sharp.js

const sharp = require("sharp");
const fs = require("fs");
const path = require("path");

const target = path.resolve(__dirname, "src/public/images");
const destination = path.resolve(__dirname, "dist/images");

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

fs.readdirSync(target).forEach((image) => {
  sharp(`${target}/${image}`)
    .resize(900)
    .toFile(
      path.resolve(
        __dirname,
        `${destination}/${image
          .split(".")
          .slice(0, -1)
          .join(".")}-lg.jpg`,
      ),
    );

  sharp(`${target}/${image}`)
    .resize(400)
    .toFile(
      path.resolve(
        __dirname,
        `${destination}/${image
          .split(".")
          .slice(0, -1)
          .join(".")}-sm.jpg`,
      ),
    );

  sharp(`${target}/${image}`)
    .resize(1800)
    .toFile(
      path.resolve(
        __dirname,
        `${destination}/${image
          .split(".")
          .slice(0, -1)
          .join(".")}-xl.jpg`,
      ),
    );
});