Export-InstalledPackages.ps1

<#
.SYNOPSIS
Exports the list of packages installed by various tools.

.FUNCTIONALITY
System and updates

.EXAMPLE
Export-InstalledPackages.ps1 |ConvertTo-Json |Out-File ~/installed.json utf8

Exports all known packages.
#>

#Requires -Version 7
[CmdletBinding()] Param()

$installed = @{PSModules=Get-Module -ListAvailable |Select-Object -Unique -ExpandProperty Name}

if(Get-Command winget -ErrorAction Ignore)
{
	winget export -o "$env:temp\winget.json" |Out-Null
	$winget = Get-Content "$env:temp\winget.json" |ConvertFrom-Json
	$installed.Add('WinGet',@($winget.Sources.Packages.PackageIdentifier))
}
if(Get-Command choco -ErrorAction Ignore)
{
	$installed.Add('Chocolatey',@(choco list -l --idonly |Select-Object -Skip 1 |Select-Object -SkipLast 1))
}
if(Get-Command scoop -ErrorAction Ignore)
{
	$installed.Add('ScoopBuckets',@(scoop bucket list |Select-Object -ExpandProperty Name))
	$installed.Add('Scoop',@(scoop list |Select-Object -ExpandProperty Name))
}
if(Get-Command npm -ErrorAction Ignore)
{
	$installed.Add('Npm',@(npm list -g --json |
		ConvertFrom-Json -AsHashtable |
		Select-Object -ExpandProperty  dependencies |
		Select-Object -ExpandProperty Keys))
}
if(Get-Command dotnet -ErrorAction Ignore)
{
	$installed.Add('DotNetTools',@(dotnet tool list -g |Select-Object -Skip 2 |ForEach-Object {($_ -split '\s+',2)[0]}))
}
if(Get-Command gh -ErrorAction Ignore)
{
	$installed.Add('GitHubExtensions',@(gh extension list |ForEach-Object {($_ -split '\s+',4)[2]}))
}

Write-Warning "The exported packages are a verbose list that will probably require editing."
return $installed