feat: improve typing

Author: pguilbert

packages/nuxt/src/runtime/composables.ts

@@ -6,22 +6,22 @@ import {
 } from 'pinia'
 export * from 'pinia'
 
-export const usePinia = () => useNuxtApp().$pinia
+export const usePinia = () => useNuxtApp().$pinia as Pinia | undefined
 
-export const defineStore = (...args) => {
+export const defineStore: typeof _defineStore = (
+  ...args: [idOrOptions: any, setup?: any, setupOptions?: any]
+) => {
   if (!import.meta.server) {
     return _defineStore(...args)
   }
 
-  const store = _defineStore(...args)
-
+  const originalUseStore = _defineStore(...args)
   function useStore(pinia?: Pinia | null, hot?: StoreGeneric): StoreGeneric {
-    if (pinia) {
-      return store(pinia, hot)
-    }
-
-    return store(usePinia(), hot)
+    return originalUseStore(pinia || usePinia(), hot)
   }
 
+  useStore.$id = originalUseStore.$id
+  useStore._pinia = originalUseStore._pinia
+
   return useStore
 }