redux

src/store/api.ts

@@ -0,0 +1,29 @@
+// Need to use the React-specific entry point to import createApi
+import { createApi, fetchBaseQuery, QueryReturnValue } from '@reduxjs/toolkit/query/react';
+import { GetListResponse } from '../service/list/types';
+import { listService } from '../service/list';
+
+const createQueryFromPromise =
+  <ARGS, RES>(fn: (...args: Array<ARGS>) => Promise<RES>) =>
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  async (...args): Promise<QueryReturnValue<RES, any, any>> => {
+    try {
+      const data = await fn(...args);
+      return { data };
+    } catch (e: unknown) {
+      return { error: e };
+    }
+  };
+
+// Define a service using a base URL and expected endpoints
+export const api = createApi({
+  reducerPath: 'api',
+  baseQuery: fetchBaseQuery({ baseUrl: '' }),
+  endpoints: (builder) => ({
+    getList: builder.query<GetListResponse, undefined>({
+      queryFn: createQueryFromPromise(() => listService.getList())
+    })
+  })
+});
+
+export const { useGetListQuery } = api;

src/store/index.ts

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+import { configureStore } from '@reduxjs/toolkit';
+import { api } from './api';
+import { setupListeners } from '@reduxjs/toolkit/query';
+
+export const store = configureStore({
+  reducer: {
+    // Add the generated reducer as a specific top-level slice
+    [api.reducerPath]: api.reducer
+  },
+  // Adding the api middleware enables caching, invalidation, polling,
+  // and other useful features of `rtk-query`.
+  middleware: (getDefaultMiddleware) => getDefaultMiddleware().concat(api.middleware)
+});
+
+setupListeners(store.dispatch);
+
+// Infer the `RootState` and `AppDispatch` types from the store itself
+export type RootState = ReturnType<typeof store.getState>;
+// Inferred type: {posts: PostsState, comments: CommentsState, users: UsersState}
+export type AppDispatch = typeof store.dispatch;