feat: saving the user's preferred voiceover

app/store/voiceover.ts

@@ -0,0 +1,28 @@
+"use client";
+import { create } from "zustand";
+import { persist } from "zustand/middleware";
+
+interface voiceoverState {
+    preferences: Map<number, string>;
+    getPreferredVoiceover: (id: number) => (string | undefined);
+    setPreferredVoiceover: (id: number, voiceover: string) => void;
+}
+
+export const useVoiceoverStore = create<voiceoverState>()(
+    persist(
+        (set, get) => ({
+            preferences: new Map<number, string>(),
+            getPreferredVoiceover: (id: number) => get().preferences[id],
+            setPreferredVoiceover: (id: number, voiceover: string) => {
+                let current = get().preferences
+                current[id] = voiceover
+                set({
+                    preferences: current,
+                });
+            },
+        }),
+        {
+            name: "voiceover-preferences",
+        }
+    )
+);