Switch to array and collection expressions

Author: JustinGrote

src/PowerShellEditorServices/Extensions/EditorWorkspace.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-using System.Collections.Generic;
 using System.Linq;
 
 namespace Microsoft.PowerShell.EditorServices.Extensions
@@ -85,9 +84,11 @@ public sealed class EditorWorkspace
         /// <summary>
         /// Get all currently open documents in the workspace.
         /// </summary>
-        public IEnumerable<EditorWorkspaceDocument> Documents => editorOperations
+        public EditorWorkspaceDocument[] Documents => [..
+            editorOperations
             .GetWorkspaceOpenDocuments()
-            .Select(doc => new EditorWorkspaceDocument(this, doc.Path, doc.Saved));
+            .Select(doc => new EditorWorkspaceDocument(this, doc.Path, doc.Saved))
+        ];
 
         #endregion
 

test/PowerShellEditorServices.Test/Extensions/EditorWorkspaceTests.cs

@@ -18,16 +18,16 @@ public void DocumentsReturnsOpenWorkspaceDocuments()
         {
             TestEditorOperations editorOperations = new()
             {
-                OpenDocuments = new[]
-                {
+                OpenDocuments =
+                [
                     new WorkspaceOpenDocument(@"C:\test\one.ps1", saved: true),
                     new WorkspaceOpenDocument(@"C:\test\two.ps1", saved: true)
-                }
+                ]
             };
 
             EditorWorkspace workspace = new(editorOperations);
 
-            IEnumerable<EditorWorkspaceDocument> documents = workspace.Documents;
+            EditorWorkspaceDocument[] documents = workspace.Documents;
 
             Assert.Collection(
                 documents,
@@ -49,7 +49,7 @@ public void DocumentOpenSaveAndCloseUseWorkspaceOperations()
             const string filePath = @"C:\test\file.ps1";
             TestEditorOperations editorOperations = new()
             {
-                OpenDocuments = new[] { new WorkspaceOpenDocument(filePath, saved: true) }
+                OpenDocuments = [new WorkspaceOpenDocument(filePath, saved: true)]
             };
 
             EditorWorkspace workspace = new(editorOperations);