Calculate cost to upload folder in ETH

cost.mjs

/* eslint-disable no-console */
import getFolderSize from 'get-folder-size';


async function checkCost() {
    const myFolder = 'dist'; // your prod assets folder: can be folder or zip file
    const size = await getFolderSize.loose(myFolder);
    console.log(`The project is ${size} bytes large`);
    console.log(`Cost: ${675 * size * 10 * (1 / 1000000000)}Eth at 10Gwei`);
    console.log(`Cost: ${675 * size * 50 * (1 / 1000000000)}Eth at 50Gwei`);
    console.log(`Cost: ${675 * size * 100 * (1 / 1000000000)}Eth at 100Gwei`);
    console.log(`Cost: ${675 * size * 150 * (1 / 1000000000)}Eth at 150Gwei`);
    console.log(`Cost: ${675 * size * 200 * (1 / 1000000000)}Eth at 200Gwei`);
}

checkCost();

package.json

{
  "name": "mcok project package.json file",
... 
  "scripts": {
    "cost": "node cost.mjs",
  },
...
  "devDependencies": {
    "get-folder-size": "^3.1.0",
  }
}