feat: cache for publish widget

composables/useCacheStorage.ts

@@ -0,0 +1,28 @@
+export function useCacheStorage<T>(
+  key: string,
+  getter: () => T | Promise<T>,
+  TTL = 1000 * 60 * 60 * 12, // 12 hours
+) {
+  const storage = useLocalStorage(key, {
+    time: 0,
+    value: null as T | null,
+  })
+
+  if (storage.value.time + TTL < Date.now()) {
+    Promise.resolve(getter()).then((v) => {
+      storage.value = {
+        time: Date.now(),
+        value: v,
+      }
+    })
+  }
+
+  return computed({
+    get() {
+      return storage.value.value
+    },
+    set(v) {
+      storage.value.value = v
+    },
+  })
+}