fix: don't print .vscode/ files with empty contents

Author: JoshuaKGoldberg

src/blocks/blockVSCode.test.ts

@@ -51,7 +51,58 @@ describe("blockVSCode", () => {
 		`);
 	});
 
-	test("with addons", () => {
+	test("with empty addons", () => {
+		const creation = testBlock(blockVSCode, {
+			addons: {
+				debuggers: [],
+				settings: {},
+				tasks: [],
+			},
+			options: optionsBase,
+		});
+
+		expect(creation).toMatchInlineSnapshot(`
+			{
+			  "addons": [
+			    {
+			      "addons": {
+			        "hints": [
+			          "> This repository includes a list of suggested VS Code extensions.",
+			          "> It's a good idea to use [VS Code](https://code.visualstudio.com) and accept its suggestion to install them, as they'll help with development.",
+			        ],
+			        "sections": {
+			          "Building": {
+			            "innerSections": [],
+			          },
+			          "Testing": {
+			            "innerSections": [
+			              {
+			                "contents": "
+			This repository includes a [VS Code launch configuration](https://code.visualstudio.com/docs/editor/debugging) for debugging unit tests.
+			To launch it, open a test file, then run _Debug Current Test File_ from the VS Code Debug panel (or press F5).
+			",
+			                "heading": "Debugging Tests",
+			              },
+			            ],
+			          },
+			        },
+			      },
+			      "block": [Function],
+			    },
+			  ],
+			  "files": {
+			    ".vscode": {
+			      "extensions.json": undefined,
+			      "launch.json": undefined,
+			      "settings.json": "{"editor.formatOnSave":true,"editor.rulers":[80]}",
+			      "tasks.json": undefined,
+			    },
+			  },
+			}
+		`);
+	});
+
+	test("with full addons", () => {
 		const creation = testBlock(blockVSCode, {
 			addons: {
 				debuggers: [

src/blocks/blockVSCode.ts

@@ -71,32 +71,32 @@ To launch it, open a test file, then run _Debug Current Test File_ from the VS C
 			],
 			files: {
 				".vscode": {
-					"extensions.json":
-						extensions &&
-						JSON.stringify({
-							recommendations: [...extensions].sort(),
-						}),
-					"launch.json":
-						debuggers &&
-						JSON.stringify({
-							configurations: [...debuggers].sort((a, b) =>
-								a.name.localeCompare(b.name),
-							),
-							version: "0.2.0",
-						}),
+					"extensions.json": extensions?.length
+						? JSON.stringify({
+								recommendations: [...extensions].sort(),
+							})
+						: undefined,
+					"launch.json": debuggers?.length
+						? JSON.stringify({
+								configurations: [...debuggers].sort((a, b) =>
+									a.name.localeCompare(b.name),
+								),
+								version: "0.2.0",
+							})
+						: undefined,
 					"settings.json": JSON.stringify(
 						sortKeys({
 							"editor.formatOnSave": true,
 							"editor.rulers": [80],
 							...settings,
 						}),
 					),
-					"tasks.json":
-						tasks &&
-						JSON.stringify({
-							tasks: tasks.sort((a, b) => a.detail.localeCompare(b.detail)),
-							version: "2.0.0",
-						}),
+					"tasks.json": tasks?.length
+						? JSON.stringify({
+								tasks: tasks.sort((a, b) => a.detail.localeCompare(b.detail)),
+								version: "2.0.0",
+							})
+						: undefined,
 				},
 			},
 		};