首页 > 解决方案 > 使用 redux-persist 和 redux thunk

问题描述

嘿伙计们,我在 nextjs 中使用 redux thunk,现在我想在我的应用程序中添加 redux-persist。所以最初我的代码就像

import { createStore, applyMiddleware } from 'redux';
import { composeWithDevTools } from 'redux-devtools-extension';
import thunk from 'redux-thunk';
import reducer from './reducers';

export const makeStore = (initialState, options) => {
    return createStore(reducer, initialState, composeWithDevTools(applyMiddleware(thunk)));
};

谁能帮助我只在 redux 的设置中坚持现在?我尝试了一些解决方案但没有解决

标签: reactjsreduxreact-reduxnext.jsredux-persist

解决方案


如果你真的需要坚持你redux state有两个选择据我所知:首先你可以react-persist按照你的意愿使用这样

import { createStore, applyMiddleware } from 'redux';
import { persistStore, persistReducer } from 'redux-persist';
import { composeWithDevTools } from 'redux-devtools-extension';
import thunk from 'redux-thunk';
import reducer from './reducers';
import storage from 'redux-persist/lib/storage';

const persistConfig = {
    key: 'reducer',
    storage: storage,
    whitelist: ['reducer'] // or blacklist to exclude specific reducers
 };
const presistedReducer = persistReducer(persistConfig, reducer );
const store = createStore(presistedReducer, 
composeWithDevTools(applyMiddleware(thunk)));
const persistor = persistStore(store);
export { persistor, store };

然后在你的component你按照他们的指示执行以下操作documentation

import { PersistGate } from 'redux-persist/integration/react';

// ... normal setup, create store and persistor, import components etc.

const App = () => {
return (
   <Provider store={store}>
      <PersistGate loading={null} persistor={persistor}>
        <RootComponent />
      </PersistGate>
   </Provider>
  );
};

或者您可以简单地执行以下操作without relying on a library

import {
  createStore, combineReducers, compose, applyMiddleware,
 } from 'redux';
import thunk from 'redux-thunk';
import reducer from './reducers';
function saveToLocalStorage(state) {
    const serializedState = JSON.stringify(state);
    localStorage.setItem('state', serializedState);
}

function loadFromLocalStorage() {
const serializedState = localStorage.getItem('state');
if (serializedState === null) return undefined;
   return JSON.parse(serializedState);
}

const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose;
const presistedState = loadFromLocalStorage();
const store = createStore(
    reducer,
    presistedState,
    composeEnhancers(applyMiddleware(thunk)),
 );
store.subscribe(() => saveToLocalStorage(store.getState()));
export default store;

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