Initial commit

components/event-provider.tsx

@@ -0,0 +1,25 @@
+'use client'
+
+import { createContext, useContext } from 'react'
+import { EMPTY_EVENT, type PublicEvent } from '@/lib/event-types'
+
+interface EventContextValue {
+  event: PublicEvent
+  registrationEnabled: boolean
+}
+
+const EventContext = createContext<EventContextValue>({ event: EMPTY_EVENT, registrationEnabled: false })
+
+export function EventProvider({
+  event,
+  registrationEnabled,
+  children,
+}: EventContextValue & { children: React.ReactNode }) {
+  return <EventContext.Provider value={{ event, registrationEnabled }}>{children}</EventContext.Provider>
+}
+
+// Client components read the current edition and its races from here. The root layout
+// fetches them once per page render.
+export function useEvent() {
+  return useContext(EventContext)
+}