Deletes node_modules folders inside a workspace recursively & parallel

cleanModules.js

#!/usr/bin/env node
import { readdir, rm } from 'node:fs/promises'

/**
* @license
* MIT License
*
* Copyright (c) 2023 Jörn Spangenberg <https://jrson.me>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:

* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
 
/**
 * Deletes node_modules folders inside a workspace recursively & parallel
 *
 * @param {string} [path=process.cwd()] - The target path
 * @returns {Promise<void>}
 */
async function deleteNodeModules(path = process.cwd()) {
  try {
    const contents = await readdir(path, { withFileTypes: true })
 
    const subDirs = contents.filter(isNodeModulesDir)
 
    await Promise.all(
      subDirs.map(async (dir) => {
        const subDirPath = `${path}/${dir.name}`
        console.log(`Cleaning: ${subDirPath}`)
        await rm(subDirPath, { recursive: true, force: true })
        await deleteNodeModules(subDirPath)
      })
    )
  } catch (err) {
    console.error(`Error at path ${path}: ${err.message}`)
  }
}
 
function isNodeModulesDir(dirent) {
  return (
    dirent.isDirectory() && !dirent.name.startsWith('.') && dirent.name === 'node_modules'
  )
}

deleteNodeModules().catch((err) => console.error(err))