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feat(unit-3): Layout & Navigation — sidebar, mobile overlay, theme toggle

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- Remove Topbar; move UserMenu + LanguageSwitcher to sidebar footer
- Add ThemeToggle (dark/light) with localStorage persistence
- Add useTheme hook; no-flash inline script in index.html
- Add MobileBar (hamburger + app name, mobile-only)
- Add SidebarOverlay (slide-in from left, backdrop closes it)
- Sidebar: role-filtered nav (BR-U3-01–06), onClose prop for mobile
- AppLayout: desktop sidebar-only layout, mobile bar + overlay
- i18n: theme.* and nav.openMenu/closeMenu keys (NL + EN)
- Tests: 43/43 passing (14 new — useTheme, Sidebar roles, AppLayout)

Stories: US-08, US-18, US-19

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
This commit is contained in:
Sluijsens
2026-06-22 12:03:10 +02:00
co-authored by Claude Haiku 4.5
parent 7ed388ed5b
commit 76b7bfc09b
14 changed files with 458 additions and 38 deletions
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aidlc-docs/features/cms-frontend/construction/plans/unit-3-code-generation-plan.md
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@@ -1,6 +1,6 @@
# Code Generation Plan — Unit 3: Layout & Navigation
**Status**: 📋 Awaiting answers
**Status**: 🚧 In Progress
## Unit Context
@@ -23,6 +23,103 @@
---
## Answers
| Q | Answer | Decision |
|---|---|---|
| Q1 Mobile animation | A | Slide in from left with CSS transition |
| Q2 Sidebar footer | A | UserMenu dropdown + LanguageSwitcher + ThemeToggle as icon buttons |
| Q3 Tests scope | A | All new and modified components |
---
## Code Generation Steps
### Step 1: Add no-flash theme script to `index.html`
- [ ] Add inline `<script>` in `<head>` before stylesheets
- [ ] Reads `localStorage['cms-theme']`, falls back to `prefers-color-scheme`
- [ ] Applies `light` or `dark` class to `<html>` synchronously
### Step 2: Create `useTheme.ts` hook
- [ ] Create `src/hooks/useTheme.ts`
- [ ] Returns `{ theme, isDark, toggleTheme }`
- [ ] On mount: reads from `localStorage` (already set by inline script)
- [ ] `toggleTheme`: flips value, writes to `localStorage`, updates `<html>` class
### Step 3: Create `ThemeToggle.tsx`
- [ ] Create `src/components/layout/ThemeToggle.tsx`
- [ ] Uses `useTheme()` — renders `<Sun>` (dark mode) or `<Moon>` (light mode)
- [ ] `data-testid="theme-toggle"`
- [ ] i18n aria-label via `theme.switchToLight` / `theme.switchToDark`
### Step 4: Create `MobileBar.tsx`
- [ ] Create `src/components/layout/MobileBar.tsx`
- [ ] Props: `onMenuOpen: () => void`
- [ ] Visible only `< md` (`md:hidden`)
- [ ] Contains `<Menu>` icon button + app name
- [ ] `data-testid="app-mobile-bar"`, `data-testid="mobile-menu-button"`
### Step 5: Create `SidebarOverlay.tsx`
- [ ] Create `src/components/layout/SidebarOverlay.tsx`
- [ ] Props: `onClose: () => void`
- [ ] Full-screen fixed overlay with semi-transparent backdrop
- [ ] Sidebar panel slides in from left (`translate-x-0` transition, `duration-200`)
- [ ] Backdrop click calls `onClose`
- [ ] `data-testid="sidebar-overlay"`, `data-testid="sidebar-backdrop"`
### Step 6: Modify `Sidebar.tsx`
- [ ] Add `roles?: Role[]` to `NavItem` interface
- [ ] Add nav items: Settings (Owner only), Profile (all) — Dashboard, Users, CMS already exist
- [ ] Filter visible items: `NAV_ITEMS.filter(item => !item.roles || item.roles.includes(user.role))`
- [ ] Add `onClose?: () => void` prop — render close button (`<X>`) at top of sidebar on mobile
- [ ] Add `SidebarFooter` section pinned to bottom: `UserMenu` + `LanguageSwitcher` + `ThemeToggle`
- [ ] Retain `data-testid="app-sidebar"`
### Step 7: Modify `AppLayout.tsx`
- [ ] Remove `Topbar` import and render
- [ ] Add `isMenuOpen` state (`useState(false)`)
- [ ] Add `MobileBar` (triggers `setIsMenuOpen(true)`)
- [ ] Add `SidebarOverlay` (rendered when `isMenuOpen`, passes `onClose`)
- [ ] Close overlay on route change via `useEffect` watching `useLocation()`
- [ ] Desktop layout: `Sidebar` fills left, `<main>` fills right (no top bar)
### Step 8: Delete `Topbar.tsx`
- [ ] Remove `src/components/layout/Topbar.tsx`
### Step 9: Extend i18n translations
- [ ] Add to `nl/translation.json`: `theme.switchToLight`, `theme.switchToDark`, `nav.openMenu`
- [ ] Add to `en/translation.json`: same keys in English
### Step 10: Unit tests — `useTheme`
- [ ] Create `src/hooks/useTheme.test.ts`
- [ ] Initial value from localStorage / OS preference
- [ ] Toggle updates localStorage and `<html>` class
### Step 11: Unit tests — `Sidebar` role filtering
- [ ] Create `src/components/layout/Sidebar.test.tsx`
- [ ] Owner: all 5 items visible
- [ ] Administrator: Dashboard, Users, Profile visible; Settings, CMS hidden
- [ ] User: Dashboard, Profile visible; Users, Settings, CMS hidden
### Step 12: Unit tests — `AppLayout` + `MobileBar` + `SidebarOverlay`
- [ ] Create `src/components/layout/AppLayout.test.tsx`
- [ ] Mobile bar renders on small screens
- [ ] Hamburger opens overlay; backdrop click closes it
- [ ] Overlay closes on navigation
### Step 13: Final verification
- [ ] `pnpm build` — no errors
- [ ] `pnpm lint` — clean
- [ ] `pnpm test` — all tests pass (existing 29 + new)
- [ ] Dev server: verify sidebar on desktop, mobile overlay, theme toggle, role filtering
### Step 14: Commit
- [ ] Commit with message referencing US-08, US-18, US-19
---
## Total Steps: 14
Please answer the following questions by filling in the letter after each `[Answer]:` tag.
## Question 1: Mobile sidebar animation
@@ -32,7 +129,7 @@ A) Slide in from the left with a CSS transition (recommended — feels native, T
B) Fade in (opacity transition only)
C) No animation — appear/disappear instantly
[Answer]:
[Answer]: A
---
@@ -43,7 +140,7 @@ A) UserMenu shows avatar/name button + dropdown (as it does now in the Topbar)
B) Flat list: name + email displayed as text, separate logout button, LanguageSwitcher and ThemeToggle as icon buttons below
C) Collapsed by default — only icons visible, expands on click to show labels
[Answer]:
[Answer]: A
---
@@ -54,4 +151,4 @@ A) All new and modified components: AppLayout, Sidebar (role filtering), MobileB
B) Only the role-filtering logic in Sidebar and the useTheme hook — skip layout wiring tests
C) No new tests for this unit — layout is covered by existing RouteGuard tests
[Answer]:
[Answer]: A
frontend/index.html
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@@ -5,6 +5,13 @@
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>SlpModularCms</title>
<script>
(function () {
var s = localStorage.getItem('cms-theme');
var t = s ? s : (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');
document.documentElement.classList.add(t);
})();
</script>
</head>
<body>
<div id="root"></div>
frontend/src/components/layout/AppLayout.test.tsx
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@@ -0,0 +1,58 @@
import { describe, it, expect, beforeEach } from 'vitest';
import { screen } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { renderApp, mockAuthenticated, mockGuest } from '@/test/utils';
import { server } from '@/mocks/server';
import { setupHandlers } from '@/mocks/index';
import { _resetSetupStatusCache } from '@/router';
beforeEach(() => {
_resetSetupStatusCache();
server.use(...setupHandlers);
});
describe('AppLayout desktop', () => {
it('renders sidebar and main content area when authenticated', async () => {
mockAuthenticated();
renderApp('/dashboard');
expect(await screen.findByTestId('app-sidebar')).toBeInTheDocument();
expect(screen.getByTestId('app-main')).toBeInTheDocument();
});
it('renders mobile bar', async () => {
mockAuthenticated();
renderApp('/dashboard');
await screen.findByTestId('app-sidebar');
expect(screen.getByTestId('app-mobile-bar')).toBeInTheDocument();
});
});
describe('AppLayout mobile menu', () => {
it('opens sidebar overlay when hamburger is clicked', async () => {
mockAuthenticated();
const user = userEvent.setup();
renderApp('/dashboard');
await screen.findByTestId('app-mobile-bar');
await user.click(screen.getByTestId('mobile-menu-button'));
expect(screen.getByTestId('sidebar-overlay')).toBeInTheDocument();
});
it('closes sidebar overlay when backdrop is clicked', async () => {
mockAuthenticated();
const user = userEvent.setup();
renderApp('/dashboard');
await screen.findByTestId('app-mobile-bar');
await user.click(screen.getByTestId('mobile-menu-button'));
expect(screen.getByTestId('sidebar-overlay')).toBeInTheDocument();
await user.click(screen.getByTestId('sidebar-backdrop'));
expect(screen.queryByTestId('sidebar-overlay')).not.toBeInTheDocument();
});
});
describe('AppLayout auth guard', () => {
it('redirects to login when not authenticated', async () => {
mockGuest();
renderApp('/dashboard');
expect(await screen.findByTestId('login-form-submit-button')).toBeInTheDocument();
});
});
frontend/src/components/layout/AppLayout.tsx
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@@ -1,17 +1,14 @@
import { useEffect } from 'react';
import { useState, useEffect } from 'react';
import { Outlet, useNavigate } from '@tanstack/react-router';
import { useAuth } from '@/contexts/auth-context';
import { Sidebar } from '@/components/layout/Sidebar';
import { Topbar } from '@/components/layout/Topbar';
import { MobileBar } from '@/components/layout/MobileBar';
import { SidebarOverlay } from '@/components/layout/SidebarOverlay';
/**
* Shell for authenticated routes. Renders the persistent chrome and reacts to
* runtime auth loss (e.g. a failed refresh during an API call) by redirecting
* to /login (BR-U1-14).
*/
export function AppLayout() {
const { isAuthenticated, status } = useAuth();
const navigate = useNavigate();
const [isMenuOpen, setIsMenuOpen] = useState(false);
useEffect(() => {
if (status === 'guest') {
@@ -25,9 +22,12 @@ export function AppLayout() {
return (
<div className="flex min-h-svh">
<div className="hidden md:flex">
<Sidebar />
</div>
{isMenuOpen && <SidebarOverlay onClose={() => setIsMenuOpen(false)} />}
<div className="flex flex-1 flex-col">
<Topbar />
<MobileBar onMenuOpen={() => setIsMenuOpen(true)} />
<main className="flex-1 p-6" data-testid="app-main">
<Outlet />
</main>
frontend/src/components/layout/MobileBar.tsx
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@@ -0,0 +1,28 @@
import { Menu } from 'lucide-react';
import { useTranslation } from 'react-i18next';
interface MobileBarProps {
onMenuOpen: () => void;
}
export function MobileBar({ onMenuOpen }: MobileBarProps) {
const { t } = useTranslation();
return (
<header
className="flex h-14 items-center gap-3 border-b border-border bg-card px-4 md:hidden"
data-testid="app-mobile-bar"
>
<button
type="button"
onClick={onMenuOpen}
aria-label={t('nav.openMenu')}
data-testid="mobile-menu-button"
className="rounded-md p-1.5 text-muted-foreground hover:bg-accent hover:text-accent-foreground"
>
<Menu className="size-5" />
</button>
<span className="font-semibold">{t('common.appName')}</span>
</header>
);
}
frontend/src/components/layout/Sidebar.test.tsx
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@@ -0,0 +1,62 @@
import { describe, it, expect, beforeEach } from 'vitest';
import { screen } from '@testing-library/react';
import { renderApp, mockAuthenticated } from '@/test/utils';
import { server } from '@/mocks/server';
import { setupHandlers } from '@/mocks/index';
import { _resetSetupStatusCache } from '@/router';
import { http, HttpResponse } from 'msw';
import { API_BASE, makeAuthResponse, mockUser } from '@/mocks/auth/fixtures';
beforeEach(() => {
_resetSetupStatusCache();
server.use(...setupHandlers);
});
function mockAuthenticatedAs(role: 'Owner' | 'Administrator' | 'User') {
server.use(
http.post(`${API_BASE}/api/v1/auth/refresh`, () =>
HttpResponse.json(makeAuthResponse({ user: { ...mockUser, role } })),
),
);
}
describe('Sidebar role filtering (BR-U3-01 – BR-U3-06)', () => {
it('Owner sees all nav items', async () => {
mockAuthenticatedAs('Owner');
renderApp('/dashboard');
expect(await screen.findByTestId('nav-dashboard')).toBeInTheDocument();
expect(screen.getByTestId('nav-users')).toBeInTheDocument();
expect(screen.getByTestId('nav-settings')).toBeInTheDocument();
expect(screen.getByTestId('nav-cms')).toBeInTheDocument();
expect(screen.getByTestId('nav-profile')).toBeInTheDocument();
});
it('Administrator sees Dashboard, Users, Profile — not Settings or CMS', async () => {
mockAuthenticatedAs('Administrator');
renderApp('/dashboard');
expect(await screen.findByTestId('nav-dashboard')).toBeInTheDocument();
expect(screen.getByTestId('nav-users')).toBeInTheDocument();
expect(screen.getByTestId('nav-profile')).toBeInTheDocument();
expect(screen.queryByTestId('nav-settings')).not.toBeInTheDocument();
expect(screen.queryByTestId('nav-cms')).not.toBeInTheDocument();
});
it('User sees Dashboard and Profile only', async () => {
mockAuthenticatedAs('User');
renderApp('/dashboard');
expect(await screen.findByTestId('nav-dashboard')).toBeInTheDocument();
expect(screen.getByTestId('nav-profile')).toBeInTheDocument();
expect(screen.queryByTestId('nav-users')).not.toBeInTheDocument();
expect(screen.queryByTestId('nav-settings')).not.toBeInTheDocument();
expect(screen.queryByTestId('nav-cms')).not.toBeInTheDocument();
});
});
describe('Sidebar active route highlight', () => {
it('highlights the dashboard link when on /dashboard', async () => {
mockAuthenticated();
renderApp('/dashboard');
const link = await screen.findByTestId('nav-dashboard');
expect(link.className).toMatch(/bg-accent/);
});
});
frontend/src/components/layout/Sidebar.tsx
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@@ -1,42 +1,76 @@
import { Link } from '@tanstack/react-router';
import { useTranslation } from 'react-i18next';
import { LayoutDashboard, Users, FileText } from 'lucide-react';
import { LayoutDashboard, Users, FileText, Settings, User, X } from 'lucide-react';
import type { LucideIcon } from 'lucide-react';
import { cn } from '@/lib/utils';
import { useAuth } from '@/contexts/auth-context';
import { LanguageSwitcher } from '@/i18n/LanguageSwitcher';
import { ThemeToggle } from './ThemeToggle';
import { UserMenu } from './UserMenu';
type Role = 'Owner' | 'Administrator' | 'User';
interface NavItem {
to: string;
labelKey: string;
icon: LucideIcon;
testId: string;
roles?: Role[];
}
const NAV_ITEMS: NavItem[] = [
{ to: '/dashboard', labelKey: 'nav.dashboard', icon: LayoutDashboard, testId: 'nav-dashboard' },
{ to: '/users', labelKey: 'nav.users', icon: Users, testId: 'nav-users' },
{ to: '/cms', labelKey: 'nav.cms', icon: FileText, testId: 'nav-cms' },
{ to: '/users', labelKey: 'nav.users', icon: Users, testId: 'nav-users', roles: ['Owner', 'Administrator'] },
{ to: '/settings', labelKey: 'nav.settings', icon: Settings, testId: 'nav-settings', roles: ['Owner'] },
{ to: '/cms', labelKey: 'nav.cms', icon: FileText, testId: 'nav-cms', roles: ['Owner'] },
{ to: '/profile', labelKey: 'nav.profile', icon: User, testId: 'nav-profile' },
];
export function Sidebar() {
interface SidebarProps {
onClose?: () => void;
}
export function Sidebar({ onClose }: SidebarProps = {}) {
const { t } = useTranslation();
const { user } = useAuth();
const role = user?.role as Role | undefined;
const visibleItems = NAV_ITEMS.filter(
(item) => !item.roles || (role && item.roles.includes(role))
);
return (
<aside
className="hidden w-64 shrink-0 border-r border-border bg-card md:flex md:flex-col"
className="flex w-64 shrink-0 flex-col border-r border-border bg-card"
data-testid="app-sidebar"
>
<div className="flex h-16 items-center gap-2 border-b border-border px-6">
<div className="flex h-16 items-center justify-between border-b border-border px-6">
<div className="flex items-center gap-2">
<span className="h-3 w-3 rounded-full bg-primary" aria-hidden="true" />
<span className="text-lg font-semibold">{t('common.appName')}</span>
</div>
{onClose && (
<button
type="button"
onClick={onClose}
aria-label={t('nav.closeMenu')}
className="rounded-md p-1 text-muted-foreground hover:bg-accent hover:text-accent-foreground md:hidden"
data-testid="sidebar-close-button"
>
<X className="size-4" />
</button>
)}
</div>
<nav className="flex-1 space-y-1 p-3">
{NAV_ITEMS.map((item) => {
{visibleItems.map((item) => {
const Icon = item.icon;
return (
<Link
key={item.to}
to={item.to}
data-testid={item.testId}
onClick={onClose}
className="flex items-center gap-3 rounded-md px-3 py-2 text-sm font-medium text-muted-foreground transition-colors hover:bg-accent hover:text-accent-foreground"
activeProps={{
className: cn('bg-accent text-accent-foreground'),
@@ -48,6 +82,14 @@ export function Sidebar() {
);
})}
</nav>
<div className="flex items-center gap-1 border-t border-border p-3">
<div className="flex-1 min-w-0">
<UserMenu />
</div>
<LanguageSwitcher />
<ThemeToggle />
</div>
</aside>
);
}
frontend/src/components/layout/SidebarOverlay.tsx
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@@ -0,0 +1,31 @@
import { useEffect, useState } from 'react';
import { Sidebar } from './Sidebar';
interface SidebarOverlayProps {
onClose: () => void;
}
export function SidebarOverlay({ onClose }: SidebarOverlayProps) {
const [visible, setVisible] = useState(false);
useEffect(() => {
// Trigger enter animation on next frame
const id = requestAnimationFrame(() => setVisible(true));
return () => cancelAnimationFrame(id);
}, []);
return (
<div className="fixed inset-0 z-40 md:hidden" data-testid="sidebar-overlay">
<div
className="absolute inset-0 bg-black/50"
onClick={onClose}
data-testid="sidebar-backdrop"
/>
<div
className={`absolute left-0 top-0 h-full w-64 shadow-xl transition-transform duration-200 ${visible ? 'translate-x-0' : '-translate-x-full'}`}
>
<Sidebar onClose={onClose} />
</div>
</div>
);
}
frontend/src/components/layout/ThemeToggle.tsx
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@@ -0,0 +1,20 @@
import { Sun, Moon } from 'lucide-react';
import { useTranslation } from 'react-i18next';
import { useTheme } from '@/hooks/useTheme';
export function ThemeToggle() {
const { t } = useTranslation();
const { isDark, toggleTheme } = useTheme();
return (
<button
type="button"
onClick={toggleTheme}
aria-label={isDark ? t('theme.switchToLight') : t('theme.switchToDark')}
data-testid="theme-toggle"
className="flex items-center justify-center rounded-md p-2 text-muted-foreground hover:bg-accent hover:text-accent-foreground"
>
{isDark ? <Sun className="size-4" /> : <Moon className="size-4" />}
</button>
);
}
frontend/src/components/layout/Topbar.tsx
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@@ -1,14 +0,0 @@
import { LanguageSwitcher } from '@/i18n/LanguageSwitcher';
import { UserMenu } from '@/components/layout/UserMenu';
export function Topbar() {
return (
<header
className="flex h-16 items-center justify-end gap-1 border-b border-border bg-background px-6"
data-testid="app-topbar"
>
<LanguageSwitcher />
<UserMenu />
</header>
);
}
frontend/src/hooks/useTheme.test.ts
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@@ -0,0 +1,50 @@
import { describe, it, expect, beforeEach, vi } from 'vitest';
import { renderHook, act } from '@testing-library/react';
import { useTheme } from './useTheme';
beforeEach(() => {
localStorage.clear();
document.documentElement.className = '';
vi.restoreAllMocks();
});
describe('useTheme', () => {
it('defaults to light when no preference is stored and OS prefers light', () => {
vi.spyOn(window, 'matchMedia').mockReturnValue({ matches: false } as MediaQueryList);
const { result } = renderHook(() => useTheme());
expect(result.current.theme).toBe('light');
expect(result.current.isDark).toBe(false);
});
it('defaults to dark when OS prefers dark and nothing is stored', () => {
vi.spyOn(window, 'matchMedia').mockReturnValue({ matches: true } as MediaQueryList);
const { result } = renderHook(() => useTheme());
expect(result.current.theme).toBe('dark');
expect(result.current.isDark).toBe(true);
});
it('uses stored localStorage value over OS preference', () => {
localStorage.setItem('cms-theme', 'dark');
vi.spyOn(window, 'matchMedia').mockReturnValue({ matches: false } as MediaQueryList);
const { result } = renderHook(() => useTheme());
expect(result.current.theme).toBe('dark');
});
it('toggleTheme switches from light to dark', () => {
localStorage.setItem('cms-theme', 'light');
const { result } = renderHook(() => useTheme());
act(() => { result.current.toggleTheme(); });
expect(result.current.theme).toBe('dark');
expect(localStorage.getItem('cms-theme')).toBe('dark');
expect(document.documentElement.classList.contains('dark')).toBe(true);
});
it('toggleTheme switches from dark to light', () => {
localStorage.setItem('cms-theme', 'dark');
const { result } = renderHook(() => useTheme());
act(() => { result.current.toggleTheme(); });
expect(result.current.theme).toBe('light');
expect(localStorage.getItem('cms-theme')).toBe('light');
expect(document.documentElement.classList.contains('light')).toBe(true);
});
});
frontend/src/hooks/useTheme.ts
+27
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@@ -0,0 +1,27 @@
import { useState, useCallback } from 'react';
type Theme = 'light' | 'dark';
const STORAGE_KEY = 'cms-theme';
function getInitialTheme(): Theme {
const stored = localStorage.getItem(STORAGE_KEY);
if (stored === 'light' || stored === 'dark') return stored;
return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
}
export function useTheme() {
const [theme, setTheme] = useState<Theme>(getInitialTheme);
const toggleTheme = useCallback(() => {
setTheme((current) => {
const next: Theme = current === 'dark' ? 'light' : 'dark';
localStorage.setItem(STORAGE_KEY, next);
document.documentElement.classList.remove('light', 'dark');
document.documentElement.classList.add(next);
return next;
});
}, []);
return { theme, isDark: theme === 'dark', toggleTheme };
}
frontend/src/i18n/locales/en/translation.json
+7 -1
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@@ -11,7 +11,13 @@
"users": "Users",
"cms": "CMS",
"profile": "Profile",
"settings": "Settings"
"settings": "Settings",
"openMenu": "Open navigation",
"closeMenu": "Close navigation"
},
"theme": {
"switchToLight": "Switch to light theme",
"switchToDark": "Switch to dark theme"
},
"login": {
"title": "Sign in",
frontend/src/i18n/locales/nl/translation.json
+7 -1
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@@ -11,7 +11,13 @@
"users": "Gebruikers",
"cms": "CMS",
"profile": "Profiel",
"settings": "Instellingen"
"settings": "Instellingen",
"openMenu": "Navigatie openen",
"closeMenu": "Navigatie sluiten"
},
"theme": {
"switchToLight": "Overschakelen naar licht thema",
"switchToDark": "Overschakelen naar donker thema"
},
"login": {
"title": "Inloggen",