explaingit

reduxjs/react-redux

Analysis updated 2026-06-21

23,483TypeScriptAudience · developerComplexity · 3/5Setup · moderate

TLDR

React Redux is the official bridge between React and Redux, letting any component subscribe to shared app data and automatically re-render only when that data changes, no manual wiring required.

Mindmap

mindmap
  root((repo))
    What it does
      Connects React and Redux
      Auto re-render on change
      Shared state bridge
    Key Features
      useSelector hook
      useDispatch hook
      TypeScript support
    Use Cases
      Large dashboards
      Shared cart state
      Multi-component data
    Audience
      React developers
      Frontend teams
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What do people build with it?

USE CASE 1

Connect a React component to a Redux store so it reads shared state and re-renders automatically when that state changes.

USE CASE 2

Build a large dashboard where many components need to share logged-in user info or a shopping cart without passing props through every layer.

USE CASE 3

Replace manual prop-drilling between nested React components by reading shared state from a central Redux store.

What is it built with?

TypeScriptJavaScriptReactRedux

How does it compare?

reduxjs/react-reduxdubinc/dubusablica/intro.js
Stars23,48323,48623,478
LanguageTypeScriptTypeScriptTypeScript
Setup difficultymoderatehardeasy
Complexity3/54/52/5
Audiencedeveloperpm founderdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Requires an existing React 18+ project and a configured Redux store.

In plain English

React Redux is the official library that connects React and Redux together. To understand what this does, it helps to know what each piece is separately. React is a popular JavaScript library for building user interfaces, buttons, forms, lists, and so on. Redux is a separate library for managing the data your app depends on (called "state"), such as a logged-in user's information or the items in a shopping cart. The problem is that these two libraries don't automatically know how to talk to each other, React Redux is the bridge. Without React Redux, you would have to write a lot of manual code to make your React components read from or update the Redux data store. React Redux provides built-in tools that let any component in your app subscribe to the data it needs and automatically re-render when that data changes, without re-rendering the parts that don't care about that change. This makes the app efficient and keeps the code clean. You would use React Redux when your React application has complex data that many different parts of the interface need to share, for example, a large dashboard, an e-commerce site, or any app where multiple components need to read and update the same information. It is used with React version 18 or later and the library is written in TypeScript.

Copy-paste prompts

Prompt 1
I have a React 18 app with a Redux store that holds user authentication state. Show me how to use React Redux's useSelector and useDispatch hooks to read the user and trigger a logout action.
Prompt 2
Using React Redux with TypeScript, show me how to type a useSelector call so the compiler knows the shape of my Redux state.
Prompt 3
I have a large React component that re-renders too often. Show me how to use React Redux's useSelector correctly to avoid unnecessary re-renders when unrelated state changes.
Prompt 4
Convert this React component that uses mapStateToProps from the connect API to use the modern useSelector and useDispatch hooks instead: [paste your component].

Frequently asked questions

What is react-redux?

React Redux is the official bridge between React and Redux, letting any component subscribe to shared app data and automatically re-render only when that data changes, no manual wiring required.

What language is react-redux written in?

Mainly TypeScript. The stack also includes TypeScript, JavaScript, React.

How hard is react-redux to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is react-redux for?

Mainly developer.

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