Implemented NewFile for $psEditor.Workspace.NewFile()

Author: dfinke

src/PowerShellEditorServices.Protocol/LanguageServer/EditorCommands.cs

@@ -101,6 +101,13 @@ public static readonly
         public Position CursorPosition { get; set; }
     }
 
+    public class NewFileRequest
+    {
+        public static readonly
+            RequestType<string, EditorCommandResponse, object, object> Type =
+            RequestType<string, EditorCommandResponse, object, object>.Create("editor/newFile");
+    }
+
     public class OpenFileRequest
     {
         public static readonly

src/PowerShellEditorServices.Protocol/Server/LanguageServerEditorOperations.cs

@@ -101,6 +101,15 @@ public EditorContext ConvertClientEditorContext(
                         clientContext.SelectionRange.End.Character + 1));
         }
 
+        public Task NewFile()
+        {
+            return
+                this.messageSender.SendRequest(
+                    NewFileRequest.Type,
+                    null,
+                    true);
+        }
+
         public Task OpenFile(string filePath)
         {
             return

src/PowerShellEditorServices/Extensions/EditorWorkspace.cs

@@ -40,6 +40,11 @@ internal EditorWorkspace(IEditorOperations editorOperations)
 
         #region Public Methods
 
+        public void NewFile()
+        {
+            this.editorOperations.NewFile().Wait();
+        }
+
         /// <summary>
         /// Opens a file in the workspace.  If the file is already open
         /// its buffer will be made active.

src/PowerShellEditorServices/Extensions/IEditorOperations.cs

@@ -33,6 +33,8 @@ public interface IEditorOperations
         /// <returns>The resolved file path.</returns>
         string GetWorkspaceRelativePath(string filePath);
 
+        Task NewFile();
+
         /// <summary>
         /// Causes a file to be opened in the editor.  If the file is
         /// already open, the editor must switch to the file.

test/PowerShellEditorServices.Test/Extensions/ExtensionServiceTests.cs

@@ -174,6 +174,7 @@ await this.extensionEventQueue.EnqueueAsync(
 
     public class TestEditorOperations : IEditorOperations
     {
+        
         public string GetWorkspacePath()
         {
             throw new NotImplementedException();
@@ -184,6 +185,11 @@ public string GetWorkspaceRelativePath(string filePath)
             throw new NotImplementedException();
         }
 
+        public Task NewFile()
+        {
+            throw new NotImplementedException();
+        }
+
         public Task OpenFile(string filePath)
         {
             throw new NotImplementedException();