fix: use project root

Author: gagik

tests/integration/build.test.ts

@@ -1,15 +1,17 @@
 import { createRequire } from "module";
 import path from "path";
-import { fileURLToPath } from "url";
 import { describe, it, expect } from "vitest";
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
+// Current directory where the test file is located
+const currentDir = import.meta.dirname;
+
+// Get project root (go up from tests/integration to project root)
+const projectRoot = path.resolve(currentDir, "../..");
 
 describe("Build Test", () => {
     it("should successfully require CommonJS module", () => {
         const require = createRequire(__filename);
-        const cjsPath = path.resolve(__dirname, "../../dist/cjs/lib.js");
+        const cjsPath = path.resolve(projectRoot, "dist/cjs/lib.js");
 
         const cjsModule = require(cjsPath) as Record<string, unknown>;
 
@@ -18,7 +20,7 @@ describe("Build Test", () => {
     });
 
     it("should successfully import ESM module", async () => {
-        const esmModule = (await import("../../dist/lib.js")) as Record<string, unknown>;
+        const esmModule = (await import("../../dist/esm/lib.js")) as Record<string, unknown>;
 
         expect(esmModule).toBeDefined();
         expect(typeof esmModule).toBe("object");
@@ -31,7 +33,7 @@ describe("Build Test", () => {
         const cjsModule = require(cjsPath) as Record<string, unknown>;
 
         // Import ESM module
-        const esmModule = (await import("../../dist/lib.js")) as Record<string, unknown>;
+        const esmModule = (await import("../../dist/esm/lib.js")) as Record<string, unknown>;
 
         // Compare exports
         const cjsKeys = Object.keys(cjsModule).sort();