Merge pull request #77151 from connor4312/feat/markdown-render-command

feat(markdown): add render command (fixes #75612)

extensions/markdown-language-features/src/commands/index.ts

@@ -10,3 +10,4 @@ export { RefreshPreviewCommand } from './refreshPreview';
 export { ShowPreviewSecuritySelectorCommand } from './showPreviewSecuritySelector';
 export { MoveCursorToPositionCommand } from './moveCursorToPosition';
 export { ToggleLockCommand } from './toggleLock';
+export { RenderDocument } from './renderDocument';

extensions/markdown-language-features/src/commands/renderDocument.ts

@@ -0,0 +1,30 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+
+import { Command } from '../commandManager';
+import { MarkdownEngine } from '../markdownEngine';
+import { SkinnyTextDocument } from '../tableOfContentsProvider';
+
+export class RenderDocument implements Command {
+	public readonly id = 'markdown.render';
+
+	public constructor(
+		private readonly engine: MarkdownEngine
+	) { }
+
+	public async execute(document?: SkinnyTextDocument | string): Promise<string | undefined> {
+		if (!document) {
+			if (!vscode.window.activeTextEditor) {
+				return;
+			}
+
+			document = vscode.window.activeTextEditor.document;
+		}
+
+		return this.engine.render(document);
+	}
+}