Initial Commit

packages/foundation/data/pagination/tests/tree-shake.test.ts

@@ -0,0 +1,63 @@
+/**
+ * Verify tree-shaking readiness:
+ * - sideEffects: false is set in package.json
+ * - At least 5 named subpath exports are declared
+ */
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+import { describe, expect, it } from "@suaveplan/testing/runner";
+
+const PKG_ROOT = join(import.meta.dirname, "..");
+const pkg = JSON.parse(
+    readFileSync(join(PKG_ROOT, "package.json"), "utf-8")
+) as {
+    sideEffects: boolean | string[];
+    exports: Record<string, unknown>;
+};
+
+describe("tree-shake", () => {
+    it("sideEffects is false", { timeout: 5000 }, () => {
+        expect(pkg.sideEffects).toBe(false);
+    });
+
+    it("has at least 5 subpath exports (excluding package.json)", {
+        timeout: 5000,
+    }, () => {
+        const subpaths = Object.keys(pkg.exports).filter(
+            (k) => k !== "./package.json"
+        );
+        expect(subpaths.length).toBeGreaterThanOrEqual(5);
+    });
+
+    it("root export '.' is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["."]).toBeDefined();
+    });
+
+    it("cursor subpath export is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["./cursor"]).toBeDefined();
+    });
+
+    it("offset subpath export is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["./offset"]).toBeDefined();
+    });
+
+    it("keyset subpath export is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["./keyset"]).toBeDefined();
+    });
+
+    it("adapters subpath export is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["./adapters"]).toBeDefined();
+    });
+
+    it("helpers subpath export is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["./helpers"]).toBeDefined();
+    });
+
+    it("errors subpath export is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["./errors"]).toBeDefined();
+    });
+
+    it("schemas subpath export is declared", { timeout: 5000 }, () => {
+        expect(pkg.exports["./schemas"]).toBeDefined();
+    });
+});