fix: remove redundant coverage.exclude: lib from vitest.config.ts (#1818)

## PR Checklist

- [x] Addresses an existing open issue: fixes #1816
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/create-typescript-app/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/create-typescript-app/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

Also fixes #1817 while I'm in the area.

💖

Author: JoshuaKGoldberg

src/next/blocks/blockTypeScript.test.ts

@@ -117,12 +117,14 @@ describe("blockTypeScript", () => {
 			    },
 			    {
 			      "addons": {
+			        "coverage": {
+			          "include": [
+			            "src",
+			          ],
+			        },
 			        "exclude": [
 			          "lib",
 			        ],
-			        "include": [
-			          "src",
-			        ],
 			      },
 			      "block": [Function],
 			    },
@@ -266,12 +268,14 @@ describe("blockTypeScript", () => {
 			    },
 			    {
 			      "addons": {
+			        "coverage": {
+			          "include": [
+			            "src",
+			          ],
+			        },
 			        "exclude": [
 			          "lib",
 			        ],
-			        "include": [
-			          "src",
-			        ],
 			      },
 			      "block": [Function],
 			    },

src/next/blocks/blockTypeScript.ts

@@ -83,10 +83,7 @@ export * from "./types.js";
 						},
 					},
 				}),
-				blockVitest({
-					exclude: ["lib"],
-					include: ["src"],
-				}),
+				blockVitest({ coverage: { include: ["src"] }, exclude: ["lib"] }),
 				blockVSCode({
 					debuggers: options.bin
 						? [

src/next/blocks/blockVitest.test.ts

@@ -239,8 +239,7 @@ describe("blockVitest", () => {
 					clearMocks: true,
 					coverage: {
 						all: true,
-						exclude: [],
-						include: [],
+						include: undefined,
 						reporter: ["html", "lcov"],
 					},
 					exclude: [, "node_modules"],
@@ -488,8 +487,7 @@ describe("blockVitest", () => {
 					clearMocks: true,
 					coverage: {
 						all: true,
-						exclude: [],
-						include: [],
+						include: undefined,
 						reporter: ["html", "lcov"],
 					},
 					exclude: [, "node_modules"],
@@ -515,10 +513,11 @@ describe("blockVitest", () => {
 			addons: {
 				coverage: {
 					directory: "coverage*",
+					exclude: ["other"],
 					flags: "unit",
+					include: ["src/"],
 				},
 				exclude: ["lib/"],
-				include: ["src/"],
 			},
 			options: optionsBase,
 		});
@@ -755,7 +754,7 @@ describe("blockVitest", () => {
 					clearMocks: true,
 					coverage: {
 						all: true,
-						exclude: ["lib/"],
+						exclude: ["other"],
 						include: ["src/"],
 						reporter: ["html", "lcov"],
 					},

src/next/blocks/blockVitest.ts

@@ -22,12 +22,15 @@ export const blockVitest = base.createBlock({
 	addons: {
 		coverage: z
 			.object({
-				directory: z.string(),
+				directory: z.string().optional(),
+				exclude: z.array(z.string()).optional(),
 				flags: z.string().optional(),
+				include: z.array(z.string()).optional(),
 			})
-			.default({ directory: "coverage" }),
+			.default({}),
+		env: z.record(z.string(), z.string()).default({}),
 		exclude: z.array(z.string()).default([]),
-		include: z.array(z.string()).default([]),
+		flags: z.array(z.string()).default([]),
 	},
 	migrate() {
 		return {
@@ -42,14 +45,14 @@ export const blockVitest = base.createBlock({
 		};
 	},
 	produce({ addons }) {
-		const { coverage, exclude = [], include = [] } = addons;
+		const { coverage, env, exclude = [], flags } = addons;
+		const coverageDirectory = coverage.directory ?? "coverage";
 		const excludeText = JSON.stringify(exclude);
-		const includeText = JSON.stringify(include);
 
 		return {
 			addons: [
 				blockCSpell({
-					ignores: [coverage.directory],
+					ignores: [coverageDirectory],
 				}),
 				blockDevelopmentDocs({
 					sections: {
@@ -90,7 +93,7 @@ Calls to \`console.log\`, \`console.warn\`, and other console methods will cause
 							],
 						},
 					],
-					ignores: [coverage.directory, "**/*.snap"],
+					ignores: [coverageDirectory, "**/*.snap"],
 					imports: [{ source: "@vitest/eslint-plugin", specifier: "vitest" }],
 				}),
 				blockExampleFiles({
@@ -143,7 +146,7 @@ describe("greet", () => {
 					},
 				}),
 				blockGitignore({
-					ignores: [`/${coverage.directory}`],
+					ignores: [`/${coverageDirectory}`],
 				}),
 				blockGitHubActionsCI({
 					jobs: [
@@ -152,6 +155,7 @@ describe("greet", () => {
 							steps: [
 								{ run: "pnpm run test --coverage" },
 								{
+									...(Object.keys(env).length && { env }),
 									if: "always()",
 									uses: "codecov/codecov-action@v3",
 									...(coverage.flags && { with: { flags: coverage.flags } }),
@@ -177,12 +181,12 @@ describe("greet", () => {
 							"vitest",
 						),
 						scripts: {
-							test: "vitest",
+							test: `vitest ${flags.join(" ")}`.trim(),
 						},
 					},
 				}),
 				blockPrettier({
-					ignores: [`/${coverage.directory}`],
+					ignores: [`/${coverageDirectory}`],
 				}),
 				blockTSup({
 					entry: ["!src/**/*.test.*"],
@@ -212,8 +216,12 @@ export default defineConfig({
 		clearMocks: true,
 		coverage: {
 			all: true,
-			exclude: ${excludeText},
-			include: ${includeText},
+			${
+				coverage.exclude?.length
+					? `exclude: ${JSON.stringify(coverage.exclude)},
+			`
+					: ""
+			}include: ${JSON.stringify(coverage.include)},
 			reporter: ["html", "lcov"],
 		},
 		exclude: [${excludeText.slice(1, excludeText.length - 1)}, "node_modules"],

src/steps/writing/creation/rootFiles.ts

@@ -136,7 +136,6 @@ export default defineConfig({
 		clearMocks: true,
 		coverage: {
 			all: true,
-			exclude: ["lib"],
 			include: ["src"],
 			reporter: ["html", "lcov"],
 		},

vitest.config.ts

@@ -5,7 +5,6 @@ export default defineConfig({
 		clearMocks: true,
 		coverage: {
 			all: true,
-			exclude: ["lib"],
 			include: ["src"],
 			reporter: ["html", "lcov"],
 		},