blockDevices does not return GUID of the volume on Windows

[abhinav-maheshwari]

GUID of the volume is not returned on Windows in the properties of Block Devices. We need the GUID to be able to mount that volume.

[shoustech]

This module isn't currently attempting to pull that value but here is a code snipped to do exactly that:

const { exec } = require('child_process');
const { promisify } = require('util');

const execAsync = promisify(exec);

async function runCommand() {
  const command =
    'GWMI -namespace root\\cimv2 -class win32_volume | FL -property DriveLetter, DeviceID';
  const response = await execAsync(command, { shell: 'powershell.exe' });
  if (!response.stderr) {
    return response.stdout;
  } else {
    console.log('Error:', response.stderr);
  }
}

function giveMeJson(windowsOutput) {
  const newResult = [];
  windowsOutput
    .trim()
    .replace(/\r/g, '')
    .split(/\n\s*\n/)
    .map((display, i) => {
      const array = display.split('\n');
      array.map((line) => {
        const entries = line.split(':');
        if (entries.length >= 2) {
          if (!newResult[i]) {
            newResult[i] = {};
          }
          newResult[i][entries[0].trim()] = entries[1].trim();
          return entries;
        }
      });
    });
  return newResult;
}

async function main() {
  console.log(giveMeJson(await runCommand()));
}

main();

Output:

[
  {
    DriveLetter: '',
    DeviceID: '\\\\?\\Volume{a7cc57c3-d84d-47c1-adf1-a51279ae1f9b}\\'
  },
  {
    DriveLetter: 'C',
    DeviceID: '\\\\?\\Volume{a6b89b02-753b-4f4b-91e6-5b3b6e290017}\\'
  },
  {
    DriveLetter: '',
    DeviceID: '\\\\?\\Volume{fc69150b-f4f2-4d37-bc2e-4c3ada835f69}\\'
  },
  {
    DriveLetter: 'N',
    DeviceID: '\\\\?\\Volume{66a9a80f-cff2-46dd-aba1-f8c3d76d6002}\\'
  },
  {
    DriveLetter: '',
    DeviceID: '\\\\?\\Volume{607f2cfb-26ea-4660-9a56-4bf2f99a5365}\\'
  },
  {
    DriveLetter: 'E',
    DeviceID: '\\\\?\\Volume{0a6e00bf-fd3b-11ec-b031-001a7dda7113}\\'
  }
]