Merge pull request #12061 from weitzhandler/dev/shwe/docs-test-script

chore: Add docs mock copy of import_external_docs

doc/import_external_docs_test.ps1

+Set-PSDebug -Trace 1
+
+$external_docs =
+@(
+    # use either commit or branch name (latest commit) in 3rd argument
+    @("https://github.com/unoplatform/uno.wasm.bootstrap", "uno.wasm.bootstrap", "main"),
+    @("https://github.com/unoplatform/uno.themes", "uno.themes", "master"),
+    @("https://github.com/unoplatform/uno.toolkit.ui", "uno.toolkit.ui", "main"),
+    @("https://github.com/unoplatform/uno.check", "uno.check", "main"),
+    @("https://github.com/unoplatform/uno.xamlmerge.task", "uno.xamlmerge.task", "main"),
+    @("https://github.com/unoplatform/figma-docs", "figma-docs", "main"),
+    @("https://github.com/unoplatform/uno.resizetizer", "uno.resizetizer", "main"),
+    @("https://github.com/unoplatform/uno.uitest", "uno.uitest", "master"),
+    @("https://github.com/unoplatform/uno.extensions", "uno.extensions", "main")
+)
+
+$ErrorActionPreference = 'Stop'
+
+function Assert-ExitCodeIsZero()
+{
+    if ($LASTEXITCODE -ne 0)
+    {
+        throw "Exit code must be zero."
+    }
+}
+
+if (Test-Path articles\external)
+{
+    del -recurse -force articles\external
+}
+
+mkdir articles\external -ErrorAction Continue
+pushd articles\external
+
+# ensure long paths are supported on Windows
+git config --global core.longpaths true
+
+# Heads - Release
+for ($i = 0; $i -lt $external_docs.Length; $i++)
+{
+    $repoUrl=$external_docs[$i][0]
+    $repoPath=$external_docs[$i][1]
+    $repoBranch=$external_docs[$i][2]
+
+    echo "Cloning $repoPath ($repoUrl@$repoBranch)"
+
+    git clone $repoUrl $repoPath
+    Assert-ExitCodeIsZero
+
+    pushd $repoPath
+    git checkout $repoBranch
+    Assert-ExitCodeIsZero
+    popd
+}
+
+popd
+
+docfx
+
+Assert-ExitCodeIsZero
+
+dotnet-serve