test: build time test

package.json

@@ -10,8 +10,8 @@
   "license": "MIT",
   "scripts": {
     "build": "tsup",
-    "test": "pnpm test:src:run && pnpm test:build",
-    "test:build": "vitest run --dir test/built",
+    "test": "pnpm test:src:run && pnpm test:dist",
+    "test:dist": "vitest run --dir test/build",
     "test:src": "vitest --coverage --dir test/src",
     "test:src:run": "vitest run --coverage --dir test/src",
     "check:format": "biome format --write ./src",

test/build/README.md

@@ -0,0 +1,2 @@
+# Why such a small amount of tests here?
+These tests only confirming proper exports from the built package

test/build/to.spec.ts

@@ -0,0 +1,8 @@
+import { describe, expect, it } from "vitest";
+import { to } from '../../dist/index.js'
+
+describe("to", () => {
+  it("must be a function", () => {
+    expect(typeof to).toBe("function");
+  });
+});