Add Axios

src/api.test.ts

@@ -0,0 +1,19 @@
+import { getRootPath } from './api';
+
+describe('API', () => {
+	beforeAll(() => {
+		globalThis.window = Object.create(window);
+	});
+
+	it('Calculates the correct API root URL based on window', () => {
+		Object.defineProperty(window, 'location', {
+			value: {
+				pathname: '/api/nested/admin'
+			},
+			writable: true
+		});
+
+		const result = getRootPath();
+		expect(result).toBe('/api/nested/');
+	});
+});