Rename the folders exported by Sony PlayMemories app to YYYY-MM-DD format

renameFolders.ts

import { readdirSync, renameSync } from 'fs'

const dirName = process.argv[2] ?? './'
// if the path to the folders is not to be specified,
// the script should be run from inside the folder.

readdirSync(dirName, { withFileTypes: true })
  .filter(dir => dir.isDirectory())
  .map(dir => {
    const oldName = dir.name
    if (oldName.includes('-')) {
      const items = oldName.split('-') // MM-DD-YYYY
      if (items.length === 3) {
        const newName =
          `${items[2]}-${items[0].padStart(2, '0')}-${items[1].padStart(2, '0')}`
        renameSync(oldName, newName)
        console.log(`${oldName} changed to ${newName}`)
      } else {
        console.log(`Skipped ${oldName}`)
      }
    } else {
      console.log(`Skipped ${oldName}`)
    }
  })