🌟 [Feature]: Add Add-PSModulePath function to modify PSModulePath environment variable

Author: MariusStorhaug

scripts/Helpers/Helpers.psm1

@@ -1078,3 +1078,33 @@ filter Format-Hashtable {
 
     return $lines -join [Environment]::NewLine
 }
+
+function Add-PSModulePath {
+    <#
+        .SYNOPSIS
+        Adds a path to the PSModulePath environment variable.
+
+        .DESCRIPTION
+        Adds a path to the PSModulePath environment variable.
+        For Linux and macOS, the path delimiter is ':' and for Windows it is ';'.
+
+        .EXAMPLE
+        Add-PSModulePath -Path 'C:\Users\user\Documents\WindowsPowerShell\Modules'
+
+        Adds the path 'C:\Users\user\Documents\WindowsPowerShell\Modules' to the PSModulePath environment variable.
+    #>
+    [CmdletBinding()]
+    param(
+        # Path to the folder where the module source code is located.
+        [Parameter(Mandatory)]
+        [string] $Path
+    )
+    $PSModulePathSeparator = [System.IO.Path]::PathSeparator
+
+    $env:PSModulePath += "$PSModulePathSeparator$Path"
+
+    Write-Verbose 'PSModulePath:'
+    $env:PSModulePath.Split($PSModulePathSeparator) | ForEach-Object {
+        Write-Verbose " - [$_]"
+    }
+}