Powershell script to clean development packages and binaries recursively (node_modules, nuget packages...)

clean-dev-projects.ps1

# WARNING: 
# IF YOU ARE NOT SURE OF WHAT THIS SCRIPT DOES, DO A BACKUP FIRST. 
# THIS CANNOT BE UNDONE, SO BE AWARE OF ANY POSSIBLE LOST FILES.
# Run this on a safe folder where you know the contents, DO NOT RUN THIS IN A FOLDER LIKE "Program Files"!
# I take no responsability of any lost files or damages related to this script.
#
# Instructions: 
# This script will delete bin, obj, node_modules and packages folders recursively from the current folder. You can specify the path and folders to delete with -path and -folderNames options.
# Options:
#   -path (Optional): The path to delete subfolders recursively, by default the current folder.
#   -folderNames (Optional): Folder names to match recursively under $path parameter. By default (bin,obj,node_modules,packages).
#   -listMode (Optional): To test which files will be deleted, use -listMode flag to list the folders without deleting.
#   -confirm (Optional): Run delete script without confirm prompt

param(
  [string]$path = ".\",
  [string[]] $folderNames = @('bin', 'obj', 'node_modules', 'packages', '.vs', '.gradle'),
  [switch]$confirm = $false, 
  [switch]$listMode = $false)

function ListFolders([string]$path, [string[]] $folderNames) {
  Get-ChildItem $path -include $folderNames -Recurse -Directory -Force
}

function Confirm($message, $confirm) {
  if ($confirm -eq $false) {
    $confirmation = Read-Host "$message [y/n]"
    while ($confirmation -ne "y") {
    if ($confirmation -eq 'n') { exit }
      $confirmation = Read-Host $message
    }
  }
}

if ($listMode -eq $false) {
  Confirm -message "Are you sure you want to delete $folderNames folders recursively from the current folder?" -confirm:$confirm
}

ListFolders $path $folderNames | foreach ($_) {
  if ($listMode -eq $true) {
    Write-Host $_.fullname
  } else {
    Write-Host "Deleting '$($_.fullname)'"
    Remove-Item $_.fullname -Force -Recurse
  }
}