Add argument completer for settings parameter

Author: Kapil Borle

Engine/PSScriptAnalyzer.psm1

@@ -18,7 +18,7 @@ else
 {
     if ($PSVersionTable.PSVersion -lt [Version]'5.0') {
         $binaryModuleRoot = Join-Path -Path $PSModuleRoot -ChildPath 'PSv3'
-    }    
+    }
 }
 
 $binaryModulePath = Join-Path -Path $binaryModuleRoot -ChildPath 'Microsoft.Windows.PowerShell.ScriptAnalyzer.dll'
@@ -27,4 +27,14 @@ $binaryModule = Import-Module -Name $binaryModulePath -PassThru
 # When the module is unloaded, remove the nested binary module that was loaded with it
 $PSModule.OnRemove = {
     Remove-Module -ModuleInfo $binaryModule
+}
+
+if (Get-Command Register-ArgumentCompleter -ErrorAction Ignore)
+{
+    Register-ArgumentCompleter -CommandName 'Invoke-ScriptAnalyzer' -ParameterName 'Settings' -ScriptBlock {
+        param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParmeter)
+        [Microsoft.Windows.PowerShell.ScriptAnalyzer.Helper]::GetBuiltinSettingPresets() | `
+            Where-Object {$_ -like "$wordToComplete*"} | `
+            ForEach-Object { New-Object System.Management.Automation.CompletionResult $_ }
+    }
 }