Questions tagged [react-redux]
The react-redux package provides the official React bindings for Redux: the `useSelector` and `useDispatch` hooks and the `connect` higher-order component. Use this tag for questions about accessing and updating Redux state in React components.
react-redux
23,255
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redux-toolkit No reducer provided for key "" [closed]
I'm getting the following error:
No reducer provided for key "merchant"
Store does not have a valid reducer. Make sure the argument passed to combineReducers is an object whose values are ...
- 1
0
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1
answer
26
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Too many state variables in a reducer, but I want my component to render only when one of them changes
I created a reducer with many state variables,
And I am using it in my component like-
let gridData = useSelector((state: State) => state?.auditReducer).gridData;
will my component only update when ...
- 39
1
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0
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29
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React component re-rendering issue with redux-toolkit
I created a component
const Audit = () => {
let auditReducer = useSelector((state: State) => state?.auditReducer);
let [isDataGridLoading, setIsDataGridLoading] = useState(true);
...
- 39
-1
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0
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Handling react auth with redux-persist
I am working on a React application that uses Redux for state management and Redux Persist for persisting the state. The authentication flow in my application involves receiving a token via a URL and ...
- 15
0
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0
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11
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TypeError: Cannot destructure property 'currentUser' of 'useSelector(...)' as it is null
I am getting error
Cannot destructure property 'currentUser' of 'useSelector(...)' as it is null.
on this line
const { currentUser } = useSelector((state) => state.user); in App.jsx
Main.jsx
...
- 23
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0
answers
15
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Issue with Keycloak Redirect on App Refresh
i have two tabs open on the same browser, what i want to do is that if i login on one of the tab i dont want to be logged in on the second tab also. I am using redux toolkit redux persist and keycloak ...
0
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1
answer
16
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Using Redux Persist [duplicate]
I was using Redux Toolkit and tried to use Redux Persist but on terminal it shows this.
A non-serializable value was detected in an action, in the path: `register`. Value: [Function: register]
Take a ...
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0
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21
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Redux State Does Not Change When Modified From useInterval
so im trying to load user data from localStorage and set it to the redux user state. heres what i have done:
Where The User Is Being Used:
import Fruit from "../components/Fruit"
import { ...
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0
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25
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TypeError: Cannot read properties of undefined (reading 'numberOfCakes')
I am beginner to React and Redux
I am trying to learn Redux with React.
I have created a store in store.js as below -
const redux = require("redux");
const createStore = redux.createStore;
...
-1
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0
answers
17
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React RouterV6 Loaders
I try to use loader data from the router in my component, the routes where the loader function is in a separate file. The data is fetched via react-thunk and axios but I can't navigate exactly to this ...
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40
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Redux Question: When <App/> Component re-renders, does it cause all selectors to run again
I have read in Redux docs:
The selector will be run whenever the function component renders
(unless its reference hasn't changed since a previous render of the
component so that a cached result can ...
- 9
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0
answers
23
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Accessing information from a redux store in the main app from a dynamically loaded React Module? [closed]
I am using React (18.2) built with Vite (5.0.0) using vite-plugin-federation (1.3.5) to split up my application into a main application and several modules which are dynamically loaded once a user ...
- 2,353
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1
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39
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Redux 5 - Selectors that return a new reference (such as an object or an array) should be memoized warning occurs with filter array method
I am a beginner Redux learner. I have a React 18 app. I am using redux 5 and react-redux 9.
When I run my application I get the below warning in my browser:
AnecdoteList.jsx:14 Selector unknown ...
- 846
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1
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How does useSelector hook impact performance when selecting individual properties vs. destructuring the state in Redux?
I am using Redux in my React application and I often need to extract values from the Redux store using useSelector. Here are the two approaches I have considered:
Approach 1: Selecting individual ...
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0
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14
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Error: could not find react-redux context value; please ensure the component is wrapped in a <Provider>: In my React Native, Django-restframework
I have setup my RTK Query in React Native (expo-router)/File based here files
rtk/api.ts:
import { createApi, fetchBaseQuery } from "@reduxjs/toolkit/query/react";
export const api = ...
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