address Notebook breaking changes

Author: TylerLeonhardt

.github/workflows/updateNotebookApi.yml

@@ -79,9 +79,6 @@ jobs:
         # Remove the old file so it doesn't get picked up by tsc
         Remove-Item ./old.vscode.proposed.d.ts -Force
 
-    - name: Compile the TypeScript to check for errors
-      run: npm run compile
-
     - name: Create Pull Request
       if: github.event_name == 'schedule'
       id: cpr

package.json

@@ -218,17 +218,17 @@
         }
       },
       {
-        "command": "PowerShell.ShowNotebookMode",
-        "title": "(Preview) Show Notebook Mode",
+        "command": "PowerShell.EnableNotebookMode",
+        "title": "(Preview) Enable Notebook Mode",
         "category": "PowerShell",
         "icon": {
           "light": "resources/light/book.svg",
           "dark": "resources/dark/book.svg"
         }
       },
       {
-        "command": "PowerShell.HideNotebookMode",
-        "title": "Show Text Editor",
+        "command": "PowerShell.DisableNotebookMode",
+        "title": "(Preview) Disable Notebook Mode",
         "category": "PowerShell",
         "icon": {
           "light": "resources/light/file-code.svg",
@@ -413,12 +413,12 @@
         },
         {
           "when": "editorLangId == powershell && config.powershell.notebooks.showToggleButton",
-          "command": "PowerShell.ShowNotebookMode",
+          "command": "PowerShell.EnableNotebookMode",
           "group": "navigation@102"
         },
         {
           "when": "resourceLangId == powershell && notebookEditorFocused",
-          "command": "PowerShell.HideNotebookMode",
+          "command": "PowerShell.DisableNotebookMode",
           "group": "navigation@102"
         }
       ],

src/features/PowerShellNotebooks.ts

@@ -9,34 +9,69 @@ import { LanguageClientConsumer } from "../languageClientConsumer";
 import Settings = require("../settings");
 import { ILogger } from "../logging";
 
-export class PowerShellNotebooksFeature extends LanguageClientConsumer implements vscode.NotebookContentProvider, vscode.NotebookKernel {
+export class PowerShellNotebooksFeature extends LanguageClientConsumer {
 
-    private readonly showNotebookModeCommand: vscode.Disposable;
-    private readonly hideNotebookModeCommand: vscode.Disposable;
+    private readonly disposables: vscode.Disposable[];
+    private readonly notebookContentProvider: vscode.NotebookContentProvider;
+    private readonly notebookKernel: PowerShellNotebookKernel;
 
-    private _onDidChangeNotebook = new vscode.EventEmitter<vscode.NotebookDocumentEditEvent>();
-    public onDidChangeNotebook: vscode.Event<vscode.NotebookDocumentEditEvent> = this._onDidChangeNotebook.event;
-    public kernel?: vscode.NotebookKernel;
+    public constructor(logger: ILogger, skipRegisteringCommands?: boolean) {
+        super();
+        this.disposables = [];
+        if(!skipRegisteringCommands) {
+            this.disposables.push(vscode.commands.registerCommand(
+                "PowerShell.EnableNotebookMode",
+                PowerShellNotebooksFeature.EnableNotebookMode));
 
-    public label: string = "PowerShell";
-    public preloads?: vscode.Uri[];
+                this.disposables.push(vscode.commands.registerCommand(
+                "PowerShell.DisableNotebookMode",
+                PowerShellNotebooksFeature.DisableNotebookMode));
+        }
 
-    public constructor(private logger: ILogger, skipRegisteringCommands?: boolean) {
-        super();
-        // VS Code Notebook API uses this property for handling cell execution.
-        this.kernel = this;
+        this.notebookContentProvider = new PowerShellNotebookContentProvider(logger);
+        this.notebookKernel = new PowerShellNotebookKernel();
+    }
 
-        if(!skipRegisteringCommands) {
-            this.showNotebookModeCommand = vscode.commands.registerCommand(
-                "PowerShell.ShowNotebookMode",
-                PowerShellNotebooksFeature.showNotebookMode);
+    public registerNotebookProviders() {
+        this.disposables.push(vscode.notebook.registerNotebookKernelProvider({
+            viewType: "PowerShellNotebookMode"
+        }, this.notebookKernel));
+
+        this.disposables.push(vscode.notebook.registerNotebookContentProvider(
+            "PowerShellNotebookMode",
+            this.notebookContentProvider));
+    }
 
-            this.hideNotebookModeCommand = vscode.commands.registerCommand(
-                "PowerShell.HideNotebookMode",
-                PowerShellNotebooksFeature.hideNotebookMode);
+    public dispose() {
+        for (const disposable of this.disposables) {
+            disposable.dispose();
         }
     }
 
+    public setLanguageClient(languageClient: LanguageClient) {
+        this.notebookKernel.setLanguageClient(languageClient);
+    }
+
+    private static async EnableNotebookMode() {
+        const uri = vscode.window.activeTextEditor.document.uri;
+        await vscode.commands.executeCommand("workbench.action.closeActiveEditor");
+        await vscode.commands.executeCommand("vscode.openWith", uri, "PowerShellNotebookMode");
+    }
+
+    private static async DisableNotebookMode() {
+        const uri = vscode.notebook.activeNotebookEditor.document.uri;
+        await vscode.commands.executeCommand("workbench.action.closeActiveEditor");
+        await vscode.commands.executeCommand("vscode.openWith", uri, "default");
+    }
+}
+
+class PowerShellNotebookContentProvider implements vscode.NotebookContentProvider {
+    private _onDidChangeNotebook = new vscode.EventEmitter<vscode.NotebookDocumentEditEvent>();
+    public onDidChangeNotebook: vscode.Event<vscode.NotebookDocumentEditEvent> = this._onDidChangeNotebook.event;
+
+    public constructor(private logger: ILogger) {
+    }
+
     public async openNotebook(uri: vscode.Uri, context: vscode.NotebookDocumentOpenContext): Promise<vscode.NotebookData> {
         // load from backup if needed.
         const actualUri = context.backupId ? vscode.Uri.parse(context.backupId) : uri;
@@ -186,11 +221,6 @@ export class PowerShellNotebooksFeature extends LanguageClientConsumer implement
         };
     }
 
-    public dispose() {
-        this.showNotebookModeCommand.dispose();
-        this.hideNotebookModeCommand.dispose();
-    }
-
     private async _save(document: vscode.NotebookDocument, targetResource: vscode.Uri, _token: vscode.CancellationToken): Promise<void> {
         this.logger.writeDiagnostic(`Saving Notebook: ${targetResource.toString()}`);
 
@@ -215,35 +245,51 @@ export class PowerShellNotebooksFeature extends LanguageClientConsumer implement
 
         await vscode.workspace.fs.writeFile(targetResource, new TextEncoder().encode(retArr.join("\n")));
     }
+}
 
-    private static async showNotebookMode() {
-        const uri = vscode.window.activeTextEditor.document.uri;
-        await vscode.commands.executeCommand("workbench.action.closeActiveEditor");
-        await vscode.commands.executeCommand("vscode.openWith", uri, "PowerShellNotebookMode");
-    }
+class PowerShellNotebookKernel implements vscode.NotebookKernel, vscode.NotebookKernelProvider {
+    public id?: string;
+    public label: string = "PowerShell";
+    public description?: string = "The PowerShell Notebook Mode kernel that runs commands in the PowerShell Integrated Console.";
+    public isPreferred?: boolean;
+    public preloads?: vscode.Uri[];
 
-    private static async hideNotebookMode() {
-        const uri = vscode.notebook.activeNotebookEditor.document.uri;
-        await vscode.commands.executeCommand("workbench.action.closeActiveEditor");
-        await vscode.commands.executeCommand("vscode.openWith", uri, "default");
-    }
+    private languageClient: LanguageClient;
 
-    /*
-        `vscode.NotebookKernel` implementations
-    */
-    public async executeAllCells(document: vscode.NotebookDocument, token: vscode.CancellationToken): Promise<void> {
+    public async executeAllCells(document: vscode.NotebookDocument): Promise<void> {
         for (const cell of document.cells) {
-            await this.executeCell(document, cell, token);
+            if (cell.cellKind === vscode.CellKind.Code) {
+                await this.executeCell(document, cell);
+            }
         }
     }
 
-    public async executeCell(document: vscode.NotebookDocument, cell: vscode.NotebookCell | undefined, token: vscode.CancellationToken): Promise<void> {
-        if (token.isCancellationRequested) {
-            return;
-        }
-
+    public async executeCell(document: vscode.NotebookDocument, cell: vscode.NotebookCell | undefined): Promise<void> {
         await this.languageClient.sendRequest(EvaluateRequestType, {
             expression: cell.document.getText(),
         });
     }
+
+    // Since executing a cell is a "fire and forget", there's no time for the user to cancel
+    // any of the executing cells. We can bring this in after PSES has a better API for executing code.
+    public cancelCellExecution(document: vscode.NotebookDocument, cell: vscode.NotebookCell): void {
+        return;
+    }
+
+    // Since executing a cell is a "fire and forget", there's no time for the user to cancel
+    // any of the executing cells. We can bring this in after PSES has a better API for executing code.
+    public cancelAllCellsExecution(document: vscode.NotebookDocument): void {
+        return;
+    }
+
+    public setLanguageClient(languageClient: LanguageClient) {
+        this.languageClient = languageClient;
+    }
+
+    /*
+        vscode.NotebookKernelProvider implementation
+    */
+    public provideKernels(document: vscode.NotebookDocument, token: vscode.CancellationToken): vscode.ProviderResult<vscode.NotebookKernel[]> {
+        return [this];
+    }
 }

src/main.ts

@@ -170,13 +170,17 @@ export function activate(context: vscode.ExtensionContext): void {
         const powerShellNotebooksFeature = new PowerShellNotebooksFeature(logger);
 
         try {
-            context.subscriptions.push(vscode.notebook.registerNotebookContentProvider("PowerShellNotebookMode", powerShellNotebooksFeature));
+            powerShellNotebooksFeature.registerNotebookProviders();
             languageClientConsumers.push(powerShellNotebooksFeature);
         } catch (e) {
             // This would happen if VS Code changes their API.
             powerShellNotebooksFeature.dispose();
             logger.writeVerbose("Failed to register NotebookContentProvider", e);
         }
+    } else {
+        vscode.commands.registerCommand(
+            "PowerShell.EnableNotebookMode",
+            () => vscode.window.showWarningMessage("Notebook Mode only works in Visual Studio Code Insiders. To get it, go to: aka.ms/vscode-insiders"));
     }
 
     sessionManager.setLanguageClientConsumers(languageClientConsumers);

test/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "powershell.helpCompletion": "LineComment"
+}

test/features/PowerShellNotebooks.test.ts

@@ -192,10 +192,12 @@ suite("PowerShellNotebooks tests", () => {
     ]);
 
     const feature = new PowerShellNotebooksFeature(new MockLogger(), true);
+    // `notebookContentProvider` is a private property so cast the feature as `any` so we can access it.
+    const notebookContentProvider: vscode.NotebookContentProvider = (feature as any).notebookContentProvider;
 
     for (const [uri, expectedCells] of notebookTestData) {
         test(`Can open a notebook with expected cells - ${uri.fsPath}`, async () => {
-            const actualNotebookData = await feature.openNotebook(uri, {});
+            const actualNotebookData = await notebookContentProvider.openNotebook(uri, {});
             compareCells(actualNotebookData.cells, expectedCells);
         });
     }
@@ -218,8 +220,8 @@ suite("PowerShellNotebooks tests", () => {
             notebookSimpleMixedComments.toString());
 
         // Save it as testFile.ps1 and reopen it using the feature.
-        await feature.saveNotebookAs(uri, vscode.notebook.activeNotebookEditor.document, null);
-        const newNotebook = await feature.openNotebook(uri, {});
+        await notebookContentProvider.saveNotebookAs(uri, vscode.notebook.activeNotebookEditor.document, null);
+        const newNotebook = await notebookContentProvider.openNotebook(uri, {});
 
         // Compare that saving as a file results in the same cell data as the existing one.
         const expectedCells = notebookTestData.get(notebookSimpleMixedComments);

vscode.proposed.d.ts

@@ -89,6 +89,11 @@ declare module 'vscode' {
 		Error = 4
 	}
 
+	export enum NotebookRunState {
+		Running = 1,
+		Idle = 2
+	}
+
 	export interface NotebookCellMetadata {
 		/**
 		 * Controls if the content of a cell is editable or not.
@@ -191,6 +196,11 @@ declare module 'vscode' {
 		 * Additional attributes of the document metadata.
 		 */
 		custom?: { [key: string]: any };
+
+		/**
+		 * The document's current run state
+		 */
+		runState?: NotebookRunState;
 	}
 
 	export interface NotebookDocument {
@@ -498,8 +508,10 @@ declare module 'vscode' {
 		description?: string;
 		isPreferred?: boolean;
 		preloads?: Uri[];
-		executeCell(document: NotebookDocument, cell: NotebookCell, token: CancellationToken): Promise<void>;
-		executeAllCells(document: NotebookDocument, token: CancellationToken): Promise<void>;
+		executeCell(document: NotebookDocument, cell: NotebookCell): void;
+		cancelCellExecution(document: NotebookDocument, cell: NotebookCell): void;
+		executeAllCells(document: NotebookDocument): void;
+		cancelAllCellsExecution(document: NotebookDocument): void;
 	}
 
 	export interface NotebookDocumentFilter {