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This package has been renamed to reactive-react-redux.

react-hooks-easy-redux

Easy React bindings for Redux with Hooks API

Introduction

This is a React bindings library for Redux with Hooks API. There are many such libraries, but this one is specialized for auto-detecting state usage with Proxy.

The official React bindings for Redux is react-redux. While its connect is fine tuned for performance, writing a proper mapStateToProps function is sometimes difficult for beginners. This library eliminates writing mapStateToProps at all.

How it works

A hook useReduxState returns the entire Redux state object, but it keeps track of which properties of the object are used in rendering. When the state is updated, this hook checks whether used properties are changed. Only if it detects changes in the state, it re-renders components.

Install

npm install react-hooks-easy-redux

Usage

import React from 'react';
import { createStore } from 'redux';
import {
  ReduxProvider,
  useReduxDispatch,
  useReduxState,
} from 'react-hooks-easy-redux';
 
const initialState = {
  counter: 0,
  text: 'hello',
};
 
const reducer = (state = initialState, action) => {
  switch (action.type) {
    case 'increment': return { ...state, counter: state.counter + 1 };
    case 'decrement': return { ...state, counter: state.counter - 1 };
    case 'setText': return { ...state, text: action.text };
    default: return state;
  }
};
 
const store = createStore(reducer);
 
const Counter = () => {
  const state = useReduxState();
  const dispatch = useReduxDispatch();
  return (
    <div>
      {Math.random()}
      <div>
        <span>Count:{state.counter}</span>
        <button type="button" onClick={() => dispatch({ type: 'increment' })}>+1</button>
        <button type="button" onClick={() => dispatch({ type: 'decrement' })}>-1</button>
      </div>
    </div>
  );
};
 
const TextBox = () => {
  const state = useReduxState();
  const dispatch = useReduxDispatch();
  return (
    <div>
      {Math.random()}
      <div>
        <span>Text:{state.text}</span>
        <input value={state.text} onChange={event => dispatch({ type: 'setText', text: event.target.value })} />
      </div>
    </div>
  );
};
 
const App = () => (
  <ReduxProvider store={store}>
    <h1>Counter</h1>
    <Counter />
    <Counter />
    <h1>TextBox</h1>
    <TextBox />
    <TextBox />
  </ReduxProvider>
);

Examples

The examples folder contains working examples. You can run one of them with

PORT=8080 npm run examples:minimal

and open http://localhost:8080 in your web browser.

You can also try them in codesandbox.io: 01 02 03 04 05 06 07 08 09

Blogs

• A deadly simple React bindings library for Redux with Hooks API
• Developing React custom hooks for Redux without react-redux
• Integrating React and Redux, with Hooks and Proxies