Initial commit.

2022-08-16 08:43:25 +02:00
commit 18bbe73ca8
5 changed files with 320 additions and 0 deletions
--- a/Modules/posh-nodejs/posh-nodejs.psm1
+++ b/Modules/posh-nodejs/posh-nodejs.psm1
@@ -0,0 +1,59 @@
+if (Get-Module posh-nodejs) { return }
+
+$NodeJsHome = "$HOME\Apps\nodejs"
+
+$InitialNodePath = $env:Path.Split(";") | Where-Object { $_ -like "$NodeJsHome*" }
+
+function CompleteNodeJsVersion {
+    param($commandName, $parameterName, $wordToComplete,
+        $commandAst, $fakeBoundParameters)
+
+    Get-ChildItem -Directory $NodeJsHome
+    | ForEach-Object { $_.Name.Split("-")[1].Substring(1) }
+    | Where-Object { $_ -Like "$wordToComplete*" }
+    | Sort-Object
+}
+
+
+function nvm {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory = $true)]
+        [ValidateSet("list", "activate", "deactivate")]
+        $command,
+
+        [Parameter(Mandatory = $false)]
+        [ArgumentCompleter({ CompleteNodeJsVersion @args })]
+        $version)
+    switch ($command) {
+        "list" {
+            Get-ChildItem -Directory $NodeJsHome
+            | ForEach-Object {
+                $version = $_.Name.Split("-")[1].Substring(1)
+                Write-Output "$version"
+            }
+        }
+
+        "activate" {
+            $path = "$NodeJsHome\node-v$version-win-x64"
+            if (Test-Path "$path") {
+                $paths = $env:Path.Split(";") | Where-Object { $_ -NotLike "$NodeJsHome*" }
+                $paths += $path
+                $env:Path = $paths | Join-String -Separator ";"
+            }
+            else {
+                Write-Error "NodeJS version '${version}' not found."
+            }
+        }
+
+        "deactivate" {
+            $paths = $env:Path.Split(";") | Where-Object { $_ -NotLike "$NodeJsHome*" }
+            $paths += $InitialNodePath
+            $env:Path = $paths | Join-String -Separator ";"
+        }
+
+        default {
+            Write-Error "Unknown nvm command ${args[0]}."
+        }
+    }
+}