get system total memory in typescript

index.ts
import os from 'os';

const totalMemory = os.totalmem();
console.log(`Total Memory: ${totalMemory} bytes`);
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index.ts
function formatBytes(bytes: number, decimals = 2) {
  if (bytes === 0) return '0 Bytes';
  const k = 1024;
  const dm = decimals < 0 ? 0 : decimals;
  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
  const i = Math.floor(Math.log(bytes) / Math.log(k));
  return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
}

const totalMemory = os.totalmem();
console.log(`Total Memory: ${formatBytes(totalMemory)}`);
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