Why React Hooks + Context API a better choice than React + Redux

Why React Hooks + Context API a better choice than React + Redux

In this React tutorial, I will introduce the React Context API for state management, and show you what makes React Hooks plus the Context API a better solution than React plus Redux

Redux introduces a lot of complexity to our codebase with the excessive amount of code it requires. At best, this makes it an imperfect solution for state management in React applications. And yet, far too many React developers default to Redux for state management without considering other alternatives.

In this article, I will introduce the React Context API for state management, and show you what makes React Hooks plus the Context API a better solution than Redux.

Why we need a state management tool

In typical React, the way to handle data between disconnected components is through prop drilling. Since there is no global state that components can access if, for instance, you want to pass data from a top-level component to a fifth-level component, you’ll have to pass the data as a prop on each level of the tree until you get to your desired component.

This results in writing a ton of extra code, and giving components properties that they will never use also affects their architectural design. In order to solve this problem, we needed a way to provide a global state that all components, no matter how deeply nested they are, could access.

By solving this, Redux, an open-source JavaScript library for managing application state, became the go-to solution for React developers.

How Redux works

The Redux documentation describes it as a predictable state container for JavaScript applications that helps us to write applications that behave consistently, run in different environments, and are easy to test.

One disadvantage of prop drilling is the need for writing a considerable amount of extra code in order to access data from a top-level component. With Redux, this disadvantage is felt even more as a lot of complexity comes with all its extra code required for setting up a global state for our application. Redux requires three main building parts to function: actions, reducers, and store.


These are objects that are used to send data to the Redux store. They typically have two properties: a type property for describing what the action does and a payload property that contains the information that should be changed in the app state.

// action.js
const reduxAction = payload => {
  return {
    type: 'action description',

export default reduxAction;

The type is usually in all caps, with its words separated by underscores. For example, SIGNUP_USER or DELETE_USER_DATA.


These are pure functions that implement the action behavior. They take the current application state, perform an action, and then return a new state:

const reducer = (state, action) => {
  const { type, payload } = action;
    case "action type":
      return {
        ["action description"]: payload
      return state;

export default reducer;


The store is where the application’s state is housed. There is only one store in any Redux application:

import { createStore } from 'redux'

const store = createStore(componentName);

Since our application can only have one Redux store, in order to create a single root reducer for all our components, we’ll need the [combineReducers](https://redux.js.org/api/combinereducers) method from Redux.

With this long process and considerable amount of code required to set up Redux, imagine what our codebase will look like when we have multiple components to work with. Even though Redux solves our state management problem, it is really time-consuming to use, has a difficult learning curve, and introduces a whole new layer of complexity to our application.

Fortunately, the React Context API solves this problem. When combined with React Hooks, we have a state management solution that is less time-consuming to set up, has an easy learning curve, and requires minimal code.

The React Context API

The new Context API came with React 16.3. Here’s how Context is explained in the React documentation:

Context provides a way to pass data through the component tree without having to pass props down manually at every level.

The React context API is React’s way of managing state in multiple components that are not directly connected.

To create a context, we’ll use the createContext method from React, which accepts a parameter for its default value:

import React from 'react';

const newContext = React.createContext({ color: 'black' });

The createContext method returns an object with a Provider and a Consumer component:

const { Provider, Consumer } = newContext;

The Provider component is what makes the state available to all child components, no matter how deeply nested they are within the component hierarchy. The Provider component receives a value prop. This is where we’ll pass our current value:

<Provider value={color: 'blue'}>

The Consumer, as its name implies, consumes the data from the Provider without any need for prop drilling:

  {value => <span>{value}</span>}}

Without Hooks, the Context API might not seem like much when compared to Redux, but combined with the useReducer Hook, we have a solution that finally solves the state management problem.

What are Hooks in React?

Hooks are a type of function that enables the execution of custom code in a base code. In React, Hooks are special functions that allow us to “hook into” its core features.

React Hooks provide an alternative to writing class-based components by allowing us to easily handle state management from functional components.

The useContext Hook

If you noticed, when explaining the React Context API, we needed to wrap our content in a Consumer component and then pass a function as a child just so we could access (or consume) our state. This introduces unnecessary component nesting and increases the complexity of our code.

The useContext Hook makes things a lot nicer and straightforward. In order to access our state using it, all we need to do is call it with our created context as its argument:

const newContext = React.createContext({ color: 'black' });

const value = useContext(newContext);

console.log(value); // this will return { color: 'black' }

Now, instead of wrapping our content in a Consumer component, we can simply access our state through the value variable.

The useReducer Hook

The useReducer Hook came with React 16.7.0. Just like the reduce() method in JavaScript, the useReducer Hook receives two values as its argument — in this case, the current state and an action — and then returns a new state:

const [state, dispatch] = useReducer((state, action) => {
  const { type } = action;
  switch(action) {
    case 'action description':
      const newState = // do something with the action
      return newState;
      throw new Error()
}, []);

In the above block, we’ve defined our state and a corresponding method, dispatch, handling it. When we call the dispatch method, the useReducer() Hook will perform an action based on the type that our method receives in its action argument:

return (
  <button onClick={() =>
    dispatch({ type: 'action type'})}>

The useReducer Hook plus the Context API

Setting up our store

Now that we know how the Context API and the useReducer Hook work individually, let’s see what happens when we combine them in order to get the ideal global state management solution for our application. We’ll create our global state in a store.js file:

// store.js
import React, {createContext, useReducer} from 'react';

const initialState = {};
const store = createContext(initialState);
const { Provider } = store;

const StateProvider = ( { children } ) => {
  const [state, dispatch] = useReducer((state, action) => {
    switch(action.type) {
      case 'action description':
        const newState = // do something with the action
        return newState;
        throw new Error();
  }, initialState);

  return <Provider value={{ state, dispatch }}>{children}</Provider>;

export { store, StateProvider }

In our store.js file, we used the createContext() method from React that we explained earlier to create a new context. Remember that the createContext() method returns an object with a Provider and Consumer component. This time, we’ll be using only the Provider component and then the useContext Hook when we need to access our state.

Notice how we used the useReducer Hook in our StateProvider. When we need to manipulate our state, we’ll call the dispatch method and pass in an object with the desired type as its argument.

In our StateProvider, we returned our Provider component with a value prop of state and dispatch from the useReducer Hook.

Accessing our state globally

In order to access our state globally, we’ll need to wrap our root <App/> component in our StoreProvider before rendering it in our ReactDOM.render() function:

// root index.js file
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
import { StateProvider } from './store.js';

const app = (
    <App />

ReactDOM.render(app, document.getElementById('root'));

Now, our store context can be accessed from any component in the component tree. To do this, we’ll import the useContext Hook from react and the store from our ./store.js file:

// exampleComponent.js
import React, { useContext } from 'react';
import { store } from './store.js';

const ExampleComponent = () => {
  const globalState = useContext(store);
  console.log(globalState); // this will return { color: red }

Adding and removing data from our state

We’ve seen how we can access our global state. In order to add and remove data from our state, we’ll need the dispatch method from our store context. We only need to call the dispatch method and pass in an object with type (the action description as defined in our StateProvider component) as its parameter:

// exampleComponent.js
import React, { useContext } from 'react';
import { store } from './store.js';

const ExampleComponent = () => {
  const globalState = useContext(store);
  const { dispatch } = globalState;

  dispatch({ type: 'action description' })


To a good extent, Redux works for state management in React applications and has a few advantages, but its verbosity makes it really difficult to pick up, and the ton of extra code needed to get it working in our application introduces a lot of unnecessary complexity.

On the other hand, with the useContext API and React Hooks, there is no need to install external libraries or add a bunch of files and folders in order to get our app working. This makes it a much simpler, more straightforward way to handle global state management in React applications.

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