Add Filter-Supported-Components.ps1 script for one-line multi-component MultiTarget / WinUI checks via Test-Component-Support.ps1

Author: Arlodotexe

MultiTarget/Filter-Supported-Components.ps1

@@ -0,0 +1,69 @@
+<#
+.SYNOPSIS
+    Given a list of components, filters them based on their support for the specified MultiTarget TFM(s) and WinUI major version.
+
+.DESCRIPTION
+    This script checks each component to determine if it supports the specified MultiTarget TFM(s) and WinUI major version.
+    It returns a list of components that are supported for the given parameters.
+
+.PARAMETER MultiTargets
+    Specifies the MultiTarget TFM(s) to include for building the components.
+
+.PARAMETER WinUIMajorVersion
+    Specifies the WinUI major version to use when building for Uno. Also decides the package id and dependency variant.
+
+.NOTES
+    Author: Arlo Godfrey
+    Date:   6/6/2025
+#>
+Param (
+    [ValidateSet('all', 'wasm', 'uwp', 'wasdk', 'wpf', 'linuxgtk', 'macos', 'ios', 'android', 'netstandard')]
+    [Alias("mt")]
+    [Parameter(Mandatory=$true)]
+    [string[]]$MultiTargets,
+
+    [Alias("c")]
+    [Parameter(Mandatory=$true)]
+    [string[]]$Components,
+
+    [Alias("winui")]
+    [Parameter(Mandatory=$true)]
+    [int]$WinUIMajorVersion
+)
+
+if ($MultiTargets -eq 'all') {
+    $MultiTargets = @('wasm', 'uwp', 'wasdk', 'wpf', 'linuxgtk', 'macos', 'ios', 'android', 'netstandard')
+}
+
+$supportedComponents = @();
+
+if ($Components -eq @('all')) {
+    $Components = @('**')
+}
+
+foreach ($ComponentName in $Components) {
+    # Find all components source csproj (when wildcard), or find specific component csproj by name.
+    $path = "$PSScriptRoot/../../components/$ComponentName/src/*.csproj"
+    
+    foreach ($componentCsproj in Get-ChildItem -Path $path) {
+        # Get component name from csproj path
+        $componentPath = Get-Item "$componentCsproj/../../"
+        $componentName = $($componentPath.BaseName);
+
+        # Get supported MultiTarget for this component
+        $supportedMultiTargets = & $PSScriptRoot\Get-MultiTargets.ps1 -component $componentName
+        
+        $componentSupportResult = & $PSScriptRoot\Test-Component-Support.ps1 `
+            -RequestedMultiTargets $MultiTargets `
+            -SupportedMultiTargets $supportedMultiTargets `
+            -Component $componentName `
+            -WinUIMajorVersion $WinUIMajorVersion
+
+        if ($componentSupportResult.IsSupported -eq $true) {
+            $supportedComponents += $componentName
+        }
+    }
+}
+
+
+return $supportedComponents;