fix: re-enable sourcemaps and fix internal test coverage merging (#683)

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## PR Checklist

- [x] Addresses an existing open issue: fixes #682
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/template-typescript-node-package/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/template-typescript-node-package/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

Yeah, tsup needed to enable sourcemaps.

See also the `c8` docs:
https://github.com/bcoe/c8#checking-for-full-source-coverage-using---all

script/create-test-e2e.js

@@ -12,7 +12,7 @@ await $`rm -rf ${repository}`;
 
 await $({
 	stdio: "inherit",
-})`c8 -o ./coverage-create -r html -r lcov node ./bin/index.js --mode create --author ${author} --email ${email} --description ${description} --owner ${owner} --title ${title} --repository ${repository} --skip-contributors --skip-github-api`;
+})`c8 -o ./coverage-create -r html -r lcov  --src src node ./bin/index.js --mode create --author ${author} --email ${email} --description ${description} --owner ${owner} --title ${title} --repository ${repository} --skip-contributors --skip-github-api`;
 
 process.chdir(repository);
 

script/initialize-test-e2e.js

@@ -52,4 +52,4 @@ await $`pnpm i`;
 await $`pnpm run build`;
 await $({
 	stdio: "inherit",
-})`c8 -o ./coverage-initialize -r html -r lcov node ./bin/index.js --description ${description} --mode initialize --owner ${owner} --title ${title} --repository ${repository} --skip-github-api --skip-removal --skip-restore`;
+})`c8 -o ./coverage-initialize -r html -r lcov --src src node ./bin/index.js --description ${description} --mode initialize --owner ${owner} --title ${title} --repository ${repository} --skip-github-api --skip-removal --skip-restore`;

script/migrate-test-e2e.js

@@ -9,7 +9,7 @@ const title = "Template TypeScript Node Package";
 
 await $({
 	stdio: "inherit",
-})`c8 -o ./coverage-migrate -r html -r lcov node ./bin/index.js --mode migrate --description ${description} --owner ${owner} --title ${title} --repository ${repository} --skip-github-api --skip-contributors --skip-install`;
+})`c8 -o ./coverage-migrate -r html -r lcov --src src node ./bin/index.js --mode migrate --description ${description} --owner ${owner} --title ${title} --repository ${repository} --skip-github-api --skip-contributors --skip-install`;
 
 const { stdout: gitStatus } = await $`git status`;
 console.log(`Stdout from running \`git status\`:\n${gitStatus}`);

src/shared/getGitHubUserAsAllContributor.ts

@@ -18,7 +18,7 @@ export async function getGitHubUserAsAllContributor(owner: string) {
 		user = owner;
 	}
 
-	await $`npx -y [email protected] add ${user} ${[
+	const contributions = [
 		"code",
 		"content",
 		"doc",
@@ -27,7 +27,8 @@ export async function getGitHubUserAsAllContributor(owner: string) {
 		"maintenance",
 		"projectManagement",
 		"tool",
-	].join(",")}`;
+	].join(",");
+	await $`npx -y [email protected] add ${user} ${contributions}`;
 
 	return user;
 }

tsup.config.ts

@@ -7,4 +7,5 @@ export default defineConfig({
 	entry: ["src/**/*.ts", "!src/**/*.test.*"],
 	format: "esm",
 	outDir: "lib",
+	sourcemap: true,
 });