Get-InvokeCommandAliasList add Tag filter

InvokeHelperTest/public/InvokeCommandList.test.ps1

@@ -9,6 +9,25 @@ function InvokeHelperTest_InvokeCommandAlias_Get{
     Assert-AreEqual -Expected 'echo "this is a sample command2"' -Presented $result["commandAlias2"].Command
 }
 
+function InvokeHelperTest_InvokeCommandAlias_Get_With_Tag{
+
+    Set-InvokeCommandAlias -Alias "commandAlias" -Command 'echo "this is a sample command"' -Tag Module1
+    Set-InvokeCommandAlias -Alias "commandAlias2" -Command 'echo "this is a sample command2"' -Tag Module2
+
+    $result = Get-InvokeCommandAliasList -Tag Module1
+
+    Assert-AreEqual -Expected 'echo "this is a sample command"' -Presented $result["commandAlias"].Command
+
+    Set-InvokeCommandAlias -Alias "commandAlias3" -Command 'echo "this is a sample command3"' -Tag Module1
+
+    $result = Get-InvokeCommandAliasList -Tag Module1
+
+    Assert-Count -Expected 2 -Presented $result
+    Assert-AreEqual -Expected 'echo "this is a sample command"' -Presented $result["commandAlias"].Command
+    Assert-AreEqual -Expected 'echo "this is a sample command3"' -Presented $result["commandAlias3"].Command
+
+}
+
 function InvokeHelperTest_InvokeCommandAlias_Reset{
 
     Reset-InvokeCommandAlias

public/InvokeCommandList.ps1

@@ -31,14 +31,25 @@ Get the Command list active in the module
 function Get-InvokeCommandAliasList{
     [CmdletBinding()]
     [OutputType([hashtable])]
-    param()
+    param(
+        [Parameter()][string]$Tag
+    )
 
     if($script:InvokeCommandList -eq $null -or $script:InvokeCommandList.Count -eq 0){
         return $null
+    }
+
+    $ret = @{}
+
+    if(-Not [string]::IsNullOrWhiteSpace($Tag)){
+        $validKeys = $script:InvokeCommandList.Keys | Where-Object { $script:InvokeCommandList.$_.Tag -eq $Tag }
+        $validKeys | ForEach-Object { $ret.$_ = $script:InvokeCommandList.$_ }
     } else {
-        return $script:InvokeCommandList
+        $ret = $script:InvokeCommandList
     }
 
+    return $ret
+
 } Export-ModuleMember -Function Get-InvokeCommandAliasList
 
 function Test-InvokeCommandAlias{