feat(platform): 开源发布 - 初始化 Open AI Canvas

web/src/lib/user-scope.ts

@@ -0,0 +1,31 @@
+const ACTIVE_USER_SCOPE_KEY = "infinite-canvas:active-user-scope";
+const GUEST_SCOPE = "guest";
+
+export function getActiveUserScope() {
+    if (typeof window === "undefined") return GUEST_SCOPE;
+    return window.localStorage.getItem(ACTIVE_USER_SCOPE_KEY) || GUEST_SCOPE;
+}
+
+export function setActiveUserScope(userId?: string | null) {
+    if (typeof window === "undefined") return;
+    window.localStorage.setItem(ACTIVE_USER_SCOPE_KEY, userId || GUEST_SCOPE);
+}
+
+export function scopedStorageKey(name: string) {
+    return `${name}:user:${getActiveUserScope()}`;
+}
+
+export const scopedLocalStorage = {
+    getItem: (name: string) => {
+        if (typeof window === "undefined") return null;
+        return window.localStorage.getItem(scopedStorageKey(name));
+    },
+    setItem: (name: string, value: string) => {
+        if (typeof window === "undefined") return;
+        window.localStorage.setItem(scopedStorageKey(name), value);
+    },
+    removeItem: (name: string) => {
+        if (typeof window === "undefined") return;
+        window.localStorage.removeItem(scopedStorageKey(name));
+    },
+};