Files
fotospiel-app/resources/js/guest/context/GuestIdentityContext.tsx

110 lines
2.7 KiB
TypeScript

import React from 'react';
type GuestIdentityContextValue = {
slug: string;
name: string;
hydrated: boolean;
setName: (nextName: string) => void;
clearName: () => void;
reload: () => void;
};
const GuestIdentityContext = React.createContext<GuestIdentityContextValue | undefined>(undefined);
function storageKey(slug: string) {
return `guestName_${slug}`;
}
export function readGuestName(slug: string) {
if (!slug || typeof window === 'undefined') {
return '';
}
try {
return window.localStorage.getItem(storageKey(slug)) ?? '';
} catch (error) {
console.warn('Failed to read guest name', error);
return '';
}
}
export function GuestIdentityProvider({ slug, children }: { slug: string; children: React.ReactNode }) {
const [name, setNameState] = React.useState('');
const [hydrated, setHydrated] = React.useState(false);
const loadFromStorage = React.useCallback(() => {
if (!slug) {
setHydrated(true);
setNameState('');
return;
}
try {
const stored = window.localStorage.getItem(storageKey(slug));
setNameState(stored ?? '');
} catch (error) {
console.warn('Failed to read guest name from storage', error);
setNameState('');
} finally {
setHydrated(true);
}
}, [slug]);
React.useEffect(() => {
setHydrated(false);
loadFromStorage();
}, [loadFromStorage]);
const persistName = React.useCallback(
(nextName: string) => {
const trimmed = nextName.trim();
setNameState(trimmed);
try {
if (trimmed) {
window.localStorage.setItem(storageKey(slug), trimmed);
} else {
window.localStorage.removeItem(storageKey(slug));
}
} catch (error) {
console.warn('Failed to persist guest name', error);
}
},
[slug]
);
const clearName = React.useCallback(() => {
setNameState('');
try {
window.localStorage.removeItem(storageKey(slug));
} catch (error) {
console.warn('Failed to clear guest name', error);
}
}, [slug]);
const value = React.useMemo<GuestIdentityContextValue>(
() => ({
slug,
name,
hydrated,
setName: persistName,
clearName,
reload: loadFromStorage,
}),
[slug, name, hydrated, persistName, clearName, loadFromStorage]
);
return <GuestIdentityContext.Provider value={value}>{children}</GuestIdentityContext.Provider>;
}
export function useGuestIdentity() {
const ctx = React.useContext(GuestIdentityContext);
if (!ctx) {
throw new Error('useGuestIdentity must be used within a GuestIdentityProvider');
}
return ctx;
}
export function useOptionalGuestIdentity() {
return React.useContext(GuestIdentityContext);
}