Show file list in Google Share Drive's folder. base on https://developers.google.com/drive/api/v3/quickstart/nodejs

FileListForGoogleShareDrive.js

'use strict'

if (process.argv.length != 4) {
  console.log(`Usage: ${process.argv[1]} [Share Drive ID] [Parent Folder ID]`)
  return 1
}

const shareDriveId = process.argv[2]
const parentFolderId = process.argv[3]

const fs = require('fs')
const readline = require('readline')
const { google } = require('googleapis')

// If modifying these scopes, delete token.json.
const SCOPES = ['https://www.googleapis.com/auth/drive.metadata.readonly']
// The file token.json stores the user's access and refresh tokens, and is
// created automatically when the authorization flow completes for the first
// time.
const TOKEN_PATH = 'token.json'

// Load client secrets from a local file.
fs.readFile('credentials.json', (err, content) => {
  if (err) return console.log('Error loading client secret file:', err)
  // Authorize a client with credentials, then call the Google Drive API.
  authorize(JSON.parse(content), listFiles)
})

/**
 * Create an OAuth2 client with the given credentials, and then execute the
 * given callback function.
 * @param {Object} credentials The authorization client credentials.
 * @param {function} callback The callback to call with the authorized client.
 */
function authorize(credentials, callback) {
  const { client_secret, client_id, redirect_uris } = credentials.installed
  const oAuth2Client = new google.auth.OAuth2(
    client_id,
    client_secret,
    redirect_uris[0],
  )

  // Check if we have previously stored a token.
  fs.readFile(TOKEN_PATH, (err, token) => {
    if (err) return getAccessToken(oAuth2Client, callback)
    oAuth2Client.setCredentials(JSON.parse(token))
    callback(oAuth2Client)
  })
}

/**
 * Get and store new token after prompting for user authorization, and then
 * execute the given callback with the authorized OAuth2 client.
 * @param {google.auth.OAuth2} oAuth2Client The OAuth2 client to get token for.
 * @param {getEventsCallback} callback The callback for the authorized client.
 */
function getAccessToken(oAuth2Client, callback) {
  const authUrl = oAuth2Client.generateAuthUrl({
    access_type: 'offline',
    scope: SCOPES,
  })
  console.log('Authorize this app by visiting this url:', authUrl)
  const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
  })
  rl.question('Enter the code from that page here: ', (code) => {
    rl.close()
    oAuth2Client.getToken(code, (err, token) => {
      if (err) return console.error('Error retrieving access token', err)
      oAuth2Client.setCredentials(token)
      // Store the token to disk for later program executions
      fs.writeFile(TOKEN_PATH, JSON.stringify(token), (err) => {
        if (err) return console.error(err)
        console.log('Token stored to', TOKEN_PATH)
      })
      callback(oAuth2Client)
    })
  })
}

function getFilesFromDrive(drive, parentId) {
  return new Promise((resolve) => {
    drive.files.list(
      {
        pageSize: 100,
        fields: 'nextPageToken, files(id, name, mimeType)',
        spaces: 'drive',
        corpora: 'drive',
        driveId: shareDriveId,
        includeItemsFromAllDrives: true,
        supportsAllDrives: true,
        q: `"${parentId}" in parents`,
      },
      (err, res) => {
        proccessFiles(err, res, drive).then((results) => {
          // files.splice(0, 0, ...results)
          resolve(results)
        })
      },
    )
  })
}

async function proccessFiles(err, res, drive) {
  if (err) return console.log('The API returned an error: ' + err)

  const files = res.data.files.filter(
    (f) => f.mimeType !== 'application/vnd.google-apps.folder',
  )
  const folders = res.data.files.filter(
    (f) => f.mimeType == 'application/vnd.google-apps.folder',
  )
  for (const f of folders) {
    const inFiles = (await getFilesFromDrive(drive, f.id)).map((i) => {
      i.name = `${f.name}/${i.name}`
      return i
    })
    files.splice(0, 0, ...inFiles)
  }

  return files
}

function listFiles(auth) {
  const drive = google.drive({ version: 'v3', auth })
  getFilesFromDrive(drive, parentFolderId).then((files) => {
    if (files) {
      files.map((f) => {
        console.log(f.name)
      })
    }
  })
}