fix: makeStore helper

Author: SKairinos

src/helpers/store.ts

@@ -0,0 +1,31 @@
+import type { Middleware, Reducer } from "@reduxjs/toolkit"
+import { configureStore } from "@reduxjs/toolkit"
+import { setupListeners } from "@reduxjs/toolkit/query"
+
+// The store setup is wrapped in `makeStore` to allow reuse
+// when setting up tests that need the same store config
+export function makeStore<R extends Reducer>({
+  reducer,
+  middlewares = [],
+  preloadedState = {},
+}: {
+  reducer: R
+  middlewares?: Middleware[]
+  preloadedState?: Partial<ReturnType<R>>
+}) {
+  const store = configureStore({
+    reducer,
+    // Adding the api middleware enables caching, invalidation, polling,
+    // and other useful features of `rtk-query`.
+    middleware: getDefaultMiddleware => {
+      return getDefaultMiddleware().concat(middlewares)
+    },
+    preloadedState,
+  })
+
+  // configure listeners using the provided defaults
+  // optional, but required for `refetchOnFocus`/`refetchOnReconnect` behaviors
+  setupListeners(store.dispatch)
+
+  return store
+}