I build an applicant with Redux RTK with createEntity
Two issue that I couldn’t found it on the docs
- CreateEntity is only return {ids: [], entities: []}? Is possible that return eg: totalPage from the response also?
- Cache page only work on the hardcode initialState in createSlice if the pageQuery is same.
First question:
Getting the response from server was
{
users: [{id: 1}, ...]
totalPage: 100
}
I’d like to send totalPage to auto generated hook also.
export const usersAdapter = createEntityAdapter({})
export const initialState = usersAdapter.getInitialState()
export const usersApiSlice = apiSlice.injectEndpoints({
endpoints: (builder) => ({
getUsers: builder.query({
query: (args) => {
return {
url: '/api/users',
method: 'GET',
params: { page: 1, limit: 10 }
}
},
validateStatus: (response, result) => {
return response.status === 200 && !result.isError
},
transformResponse: (responseData) => {
const loadedUsers = responseData?.users.map((user) => user)
console.log("responseData: ", responseData) // <----- return { users: [], totalPage: 100 }. Could we set this totalPage value into Adapter?
return usersAdapter.setAll(initialState, loadedUsers)
},
providesTags: (result, error, arg) => {
if (result?.ids) {
return [
{ type: "User", id: "LIST" },
...result.ids.map((id) => ({ type: "User", id })),
]
} else return [{ type: "User", id: "LIST" }]
},
})
})
})
Use the hook in component
const { data } = useGetUsersQuery("page=1&limit=10");
console.log(data) // { ids: [], entity: [{}, {}] };
// expected return { ids: [], entity: [{}, {}], totalPage: 100}
Second question:
Store the page query in createSlice. The edit page will be remain same after refresh if the page query value same as initialState value.
import { createSlice } from "@reduxjs/toolkit"
const userReducer = createSlice({
name: "user",
initialState: {
query: `page=1&limit=10`,
},
reducers: {
setUserPageQuery: (state, action) => {
const query = action.payload
state.query = query
},
},
})
Page url Flow:
-
localhost:3000/users > localhost:3000/users/4 > refresh -> data will remain after refresh browser. (query “page=1&limit10” same as createSlice initialState value )
-
localhost:3000/users > localhost:3000/users/15 > refresh -> data state will gone after refresh browser. (query “page=2&limit10″ different from createSlice initialState value )
Appreciate all the reply 🙂