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connected-next-router

v5.0.0

Published

A Redux binding for Next.js Router

Downloads

32,548

Readme

Coverage Status

v5.0.0 requires Next.js 10 or newer, React Redux 7.1.0 or newer, and React 16.8.0 or newer. If you are using Next.js 9, check out v3 branch. If you are using Next.js 7-8, check out v0 branch.

Connected Next Router

A Redux binding for Next.js Router compatible with Next.js.

Main features

:sparkles: Keep Router state in sync with your Redux store.

:tada: Dispatch Router methods (push, replace, go, goBack, goForward, prefetch) using Redux actions.

:clock9: Support time traveling in Redux DevTools.

:gem: Ease migration to next.js framework from codebases using connected-react-router or react-router-redux (see migration guide).

Installation

Using npm:

$ npm install --save connected-next-router

Or yarn:

$ yarn add connected-next-router

Usage

Step 1

  • Add routerReducer to your root reducer.
  • Use createRouterMiddleware if you want to dispatch Router actions (ex. to change URL with push('/home')).
  • Use initialRouterState(url) to populate router state in the server side.
// store/configure-store.js
import { createStore, applyMiddleware, combineReducers } from 'redux'
import { createRouterMiddleware, initialRouterState, routerReducer } from 'connected-next-router'
import { HYDRATE, createWrapper } from 'next-redux-wrapper'
import Router from 'next/router'

const rootReducer = combineReducers({
  // Add other reducers
  router: routerReducer
});

const routerMiddleware = createRouterMiddleware();

// Using next-redux-wrapper's initStore
const reducer = (state, action) => {
  if (action.type === HYDRATE) {
    const nextState = {
      ...state, // use previous state
      ...action.payload, // apply delta from hydration
    }
    if (typeof window !== 'undefined' && state?.router) {
      // preserve router value on client side navigation
      nextState.router = state.router
    }
    return nextState
  } else {
    return rootReducer(state, action)
  }
}

export const initStore = (context) => {
  const routerMiddleware = createRouterMiddleware()
  const { asPath } = context.ctx || Router.router || {}
  let initialState
  if (asPath) {
    initialState = {
      router: initialRouterState(asPath)
    }
  }
  return createStore(reducer, initialState, applyMiddleware(routerMiddleware))
}

export const wrapper = createWrapper(initStore)

Step 2

  • Place ConnectedRouter as children of react-redux's Provider.
// pages/_app.js
import App from 'next/app'
import { ConnectedRouter } from 'connected-next-router'
import { wrapper } from '../store/configure-store'

class ExampleApp extends App {
  render() {
    const { Component, pageProps } = this.props
    return (
      <ConnectedRouter>
        <Component {...pageProps} />
      </ConnectedRouter>
    )
  }
}

// wrapper.withRedux wraps the App with react-redux's Provider
export default wrapper.withRedux(ExampleApp)

Examples

Acknowledgements

Acknowledge

License

MIT License