fix(core): Correct exportation of RouterEngine (#12)

* fix(core):  Correct exportation of RouterEngine

* test:  Add unit tests for library exports

* chore:  Upgrade packages

Author: webJose

package-lock.json

@@ -0,0 +1,23 @@
+import { describe, expect, test } from "vitest";
+
+describe('index', () => {
+    test("Should export exactly the expected objects.", async () => {
+        // Arrange.
+        const expectedList = [
+            'location',
+            'RouterEngine',
+            'joinPaths',
+        ];
+
+        // Act.
+        const lib = await import('./index.js');
+
+        // Assert.
+        for (let item of expectedList) {
+            expect(item in lib, `The expected object ${item} is not exported.`).toEqual(true);
+        }
+        for (let key of Object.keys(lib)) {
+            expect(expectedList.includes(key), `The library exports object ${key}, which is not expected.`).toEqual(true);
+        }
+    });
+});

src/lib/core/index.test.ts

@@ -1,2 +1,2 @@
 export { location } from "./Location.js";
-export { RouterEngine as Router, joinPaths } from "./RouterEngine.svelte.js";
+export { RouterEngine, joinPaths } from "./RouterEngine.svelte.js";

src/lib/core/index.ts

@@ -0,0 +1,30 @@
+import { describe, expect, test } from "vitest";
+
+describe('index', () => {
+    test("Should export exactly the expected objects.", async () => {
+        // Arrange.
+        const expectedList = [
+            'Link',
+            'LinkContext',
+            'Route',
+            'Router',
+            'Fallback',
+            'location',
+            'RouterTrace',
+            'init',
+            'getRouterContext',
+            'setRouterContext',
+        ];
+
+        // Act.
+        const lib = await import('./index.js');
+
+        // Assert.
+        for (let item of expectedList) {
+            expect(item in lib, `The expected object ${item} is not exported.`).toEqual(true);
+        }
+        for (let key of Object.keys(lib)) {
+            expect(expectedList.includes(key), `The library exports object ${key}, which is not expected.`).toEqual(true);
+        }
+    });
+});