javascript - 如何在 redux-toolkit 中的 react 组件之外访问 react-redux 存储?
问题描述
我正在尝试在我的辅助函数中访问 redux-store。我的商店看起来像下面的代码:
import { combineReducers, configureStore } from '@reduxjs/toolkit';
import createSagaMiddleware from 'redux-saga';
import counterReducer from 'app/Components/Counter/counterSlice';
import languageReducer from 'redux/features/app_language/language.slice';
import loginReducer, {
currentUserReducer,
currentUserIdReducer,
} from 'redux/features/app_login/loginSlice';
import rootSaga from 'redux/sagas';
import emailEditorReducer from 'redux/features/email_editor';
import { persistStore, persistReducer } from 'redux-persist';
import storage from 'redux-persist/lib/storage';
const configureCustomStore = () => {
const sagaMiddleware = createSagaMiddleware();
const persistConfig = {
key: 'root',
storage,
};
const rootReducer = combineReducers({
counter: counterReducer,
app_language: languageReducer,
isAuthenticated: loginReducer,
currentUser: currentUserReducer,
currentUserId: currentUserIdReducer,
emailEditor: emailEditorReducer,
});
const persistedReducer = persistReducer(persistConfig, rootReducer);
const store = configureStore({
reducer: persistedReducer,
middleware: (getDefaultMiddleware) =>
getDefaultMiddleware({
serializableCheck: false,
}).concat(sagaMiddleware),
});
const persistor = persistStore(store);
sagaMiddleware.run(rootSaga);
return { store, persistor };
};
export default configureCustomStore();
export const { store, persistor } = configureCustomStore();
console.log(store.getState(), 'State');
正如您在最后两行代码中看到的那样,我正在尝试控制台记录状态,并且我正在按预期获得状态。但是当我在我的辅助函数中导入商店时,我变得不确定。这是我的做法
import storeSaga from 'redux/store/store';
const { store } = storeSaga;
我得到的错误是:
TypeError: Cannot destructure property 'store' of 'redux_store_store__WEBPACK_IMPORTED_MODULE_1__.default' as it is undefined.
我正在寻找解决方案,我最终遇到了几乎相同的问题,下一条评论中也提到了答案,但老实说我不明白。
我可能在导入的顺序上做错了什么,我尽我所能。作为参考,您可以在下面查看我的 index.js 文件:
import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import { Provider } from 'react-redux';
import { I18nextProvider } from 'react-i18next';
import * as serviceWorker from './serviceWorker';
import i18n from './_helpers/utils/i18n';
import storeSaga from 'redux/store/store';
const { store, persistor } = storeSaga;
import App from './app/Pages/App/App';
import { PersistGate } from 'redux-persist/integration/react';
ReactDOM.render(
<React.StrictMode>
<Provider store={store}>
<PersistGate persistor={persistor}>
<I18nextProvider i18n={i18n}>
<App />
</I18nextProvider>
</PersistGate>
</Provider>
</React.StrictMode>,
document.getElementById('root'),
);
serviceWorker.unregister();
我非常感谢你的帮助。提前致谢。
解决方案
在
export default configureCustomStore();
export const { store, persistor } = configureCustomStore();
您正在创建两个独立的商店。
此外,在导入时,您导入其中的第一个并调用它,storeSaga
即使这与 saga 完全无关。
踢出默认导出并在import { store } from 'redux/store/store';
任何地方执行。这让你在做什么更清楚。
如果在那之后仍然有错误,那么您需要在某个地方解决循环导入,这意味着该文件从一个也导入该文件的文件中导入(可能中间有第三个文件),形成一个圆圈。JavaScript 无法使用它。
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