build: add turbo workspace manifests

apps/web/src/lib/workspace-boundary.test.ts

@@ -0,0 +1,37 @@
+import { existsSync, readFileSync } from "node:fs";
+import { join } from "node:path";
+import { describe, expect, test } from "vitest";
+
+const root = process.cwd();
+
+describe("workspace boundaries", () => {
+  test("declares the root as a turbo-managed bun workspace", () => {
+    const packageJson = JSON.parse(
+      readFileSync(join(root, "package.json"), "utf8"),
+    ) as {
+      private?: boolean;
+      scripts?: Record<string, string>;
+      workspaces?: string[];
+    };
+
+    expect(packageJson.private).toBe(true);
+    expect(packageJson.workspaces).toEqual(["apps/*", "packages/*"]);
+    expect(packageJson.scripts?.build).toBe("turbo build");
+    expect(existsSync(join(root, "turbo.json"))).toBe(true);
+  });
+
+  test("keeps the website app and reusable UI library as separate packages", () => {
+    const webPackage = JSON.parse(
+      readFileSync(join(root, "apps/web/package.json"), "utf8"),
+    ) as { dependencies?: Record<string, string>; name?: string };
+    const uiPackage = JSON.parse(
+      readFileSync(join(root, "packages/ui/package.json"), "utf8"),
+    ) as { exports?: Record<string, unknown>; name?: string };
+
+    expect(webPackage.name).toBe("@dimensionlab/web");
+    expect(webPackage.dependencies?.["@dimensionlab/ui"]).toBe("workspace:*");
+    expect(uiPackage.name).toBe("@dimensionlab/ui");
+    expect(uiPackage.exports).toHaveProperty(".");
+    expect(uiPackage.exports).toHaveProperty("./styles.css");
+  });
+});