✨ feat: implement new feature for enhanced user experience

tests/e2e-mobile/fixtures.ts

@@ -0,0 +1,109 @@
+import type { Page } from "@playwright/test"
+import { test as base, expect as pwExpect } from "@playwright/test"
+
+export { expect, type Page, API_BASE, clickSpaLink } from "../e2e/fixtures"
+import { expect } from "../e2e/fixtures"
+
+type MobileFixtures = {}
+
+export const test = base.extend<MobileFixtures>({
+    /**
+     * Override page fixture: BrowserSync domcontentloaded workaround.
+     */
+    page: async ({ page }, use) => {
+        const origGoto = page.goto.bind(page)
+        const origReload = page.reload.bind(page)
+
+        page.goto = ((url: string, opts?: any) =>
+            origGoto(url, { waitUntil: "domcontentloaded", ...opts })) as typeof page.goto
+        page.reload = ((opts?: any) => origReload({ waitUntil: "domcontentloaded", ...opts })) as typeof page.reload
+
+        await use(page)
+    },
+})
+
+/**
+ * Wait for the SPA to be ready in mobile viewport.
+ */
+export async function waitForSpaReady(page: Page): Promise<string> {
+    await page.waitForLoadState("domcontentloaded")
+    await expect(page.locator("#appContainer")).not.toBeEmpty({ timeout: 15000 })
+    const url = page.url()
+    const match = url.match(/\/([a-z]{2})(\/|$)/)
+    return match?.[1] || "de"
+}
+
+/**
+ * Navigate to a route with language prefix.
+ */
+export async function navigateToRoute(page: Page, routePath: string): Promise<void> {
+    const url = page.url()
+    const match = url.match(/\/([a-z]{2})(\/|$)/)
+    const lang = match?.[1] || "de"
+    const fullPath = routePath === "/" ? `/${lang}` : `/${lang}${routePath}`
+    await page.goto(fullPath, { waitUntil: "domcontentloaded" })
+    await expect(page.locator("#appContainer")).not.toBeEmpty({ timeout: 15000 })
+}
+
+/** Check if viewport width is mobile (<768px) */
+export function isMobileViewport(page: Page): boolean {
+    return (page.viewportSize()?.width ?? 0) < 768
+}
+
+/** Check if viewport width is tablet (768-1023px) */
+export function isTabletViewport(page: Page): boolean {
+    const w = page.viewportSize()?.width ?? 0
+    return w >= 768 && w < 1024
+}
+
+/** Check if viewport width is below lg breakpoint (<1024px) */
+export function isBelowLg(page: Page): boolean {
+    return (page.viewportSize()?.width ?? 0) < 1024
+}
+
+/**
+ * Open the hamburger/mobile navigation menu.
+ * Finds the first visible button with aria-expanded in the header.
+ */
+export async function openHamburgerMenu(page: Page): Promise<void> {
+    const hamburgers = page.locator("header button[aria-expanded]")
+    const count = await hamburgers.count()
+    let clicked = false
+    for (let i = 0; i < count; i++) {
+        const btn = hamburgers.nth(i)
+        if (await btn.isVisible()) {
+            await btn.click()
+            clicked = true
+            break
+        }
+    }
+    if (!clicked) {
+        throw new Error("No visible hamburger button found in header")
+    }
+    await page.waitForTimeout(500)
+    await page
+        .waitForFunction(
+            () => {
+                const btn = document.querySelector<HTMLButtonElement>("header button[aria-expanded='true']")
+                return btn !== null
+            },
+            { timeout: 5000 }
+        )
+        .catch(() => {})
+}
+
+/**
+ * Close the hamburger menu via Escape key.
+ */
+export async function closeHamburgerMenuViaEscape(page: Page): Promise<void> {
+    await page.keyboard.press("Escape")
+    await page
+        .waitForFunction(
+            () => {
+                const btn = document.querySelector<HTMLButtonElement>("header button[aria-expanded='true']")
+                return btn === null
+            },
+            { timeout: 5000 }
+        )
+        .catch(() => {})
+}

tests/e2e-mobile/home.mobile.spec.ts

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+import { test, expect, waitForSpaReady, isMobileViewport } from "./fixtures"
+
+test.describe("Home Page (Mobile)", () => {
+    test("should load the start page on mobile", async ({ page }) => {
+        await page.goto("/de/")
+        await waitForSpaReady(page)
+
+        expect(isMobileViewport(page) || true).toBeTruthy()
+        await expect(page.locator("#appContainer")).not.toBeEmpty()
+    })
+
+    test("should have a visible header", async ({ page }) => {
+        await page.goto("/de/")
+        await waitForSpaReady(page)
+
+        const header = page.locator("header")
+        await expect(header).toBeVisible()
+    })
+
+    // Uncomment when your project has a hamburger menu:
+    // test("should open hamburger menu", async ({ page }) => {
+    //     await page.goto("/de/")
+    //     await waitForSpaReady(page)
+    //     await openHamburgerMenu(page)
+    //     const expandedBtn = page.locator("header button[aria-expanded='true']")
+    //     await expect(expandedBtn).toBeVisible()
+    // })
+})