const fastPng = require('fast-png');

// Decode the image
const decodedImage = await fastPng.decode('smb106p.png');
console.log(decodedImage);

// Encode the image
const encodedImage = await fastPng.encode({
  data: decodedImage.data,
  width: decodedImage.width,
  height: decodedImage.height,
});
console.log(encodedImage);