Shortcut for creating untitled prompt file (microsoft#252256)

* Shortcut for creating untitled prompt file

* resolve comments

Author: rebornix

src/vs/workbench/contrib/chat/browser/promptSyntax/newPromptFileActions.ts

@@ -7,7 +7,7 @@ import { isEqual } from '../../../../../base/common/resources.js';
 import { URI } from '../../../../../base/common/uri.js';
 import { getCodeEditor } from '../../../../../editor/browser/editorBrowser.js';
 import { SnippetController2 } from '../../../../../editor/contrib/snippet/browser/snippetController2.js';
-import { localize } from '../../../../../nls.js';
+import { localize, localize2 } from '../../../../../nls.js';
 import { Action2, MenuId, registerAction2 } from '../../../../../platform/actions/common/actions.js';
 import { ICommandService } from '../../../../../platform/commands/common/commands.js';
 import { ContextKeyExpr } from '../../../../../platform/contextkey/common/contextkey.js';
@@ -168,8 +168,52 @@ class NewModeFileAction extends AbstractNewPromptFileAction {
 	}
 }
 
+class NewUntitledPromptFileAction extends Action2 {
+	constructor() {
+		super({
+			id: 'workbench.command.new.untitled.prompt',
+			title: localize2('commands.new.untitled.prompt.title', "New Untitled Prompt File"),
+			f1: true,
+			precondition: ContextKeyExpr.and(PromptsConfig.enabledCtx, ChatContextKeys.enabled),
+			category: CHAT_CATEGORY,
+			keybinding: {
+				weight: KeybindingWeight.WorkbenchContrib
+			},
+		});
+	}
+
+	public override async run(accessor: ServicesAccessor) {
+		const editorService = accessor.get(IEditorService);
+		const snippetService = accessor.get(ISnippetsService);
+
+		const languageId = getLanguageIdForPromptsType(PromptsType.prompt);
+
+		const input = await editorService.openEditor({
+			resource: undefined,
+			languageId,
+			options: {
+				pinned: true
+			}
+		});
+
+		const editor = getCodeEditor(editorService.activeTextEditorControl);
+		if (editor && editor.hasModel()) {
+			const snippets = await snippetService.getSnippets(languageId, { fileTemplateSnippets: true, noRecencySort: true, includeNoPrefixSnippets: true });
+			if (snippets.length > 0) {
+				SnippetController2.get(editor)?.apply([{
+					range: editor.getModel().getFullModelRange(),
+					template: snippets[0].body
+				}]);
+			}
+		}
+
+		return input;
+	}
+}
+
 export function registerNewPromptFileActions(): void {
 	registerAction2(NewPromptFileAction);
 	registerAction2(NewInstructionsFileAction);
 	registerAction2(NewModeFileAction);
+	registerAction2(NewUntitledPromptFileAction);
 }