redux

问题 How an Action update multiple different Reducers? How can i implement like this? UPDATE: this is my action in ./actions/sync.js. this action connected to an external API and call from Sync Component, periodically. export function syncFetch(response) { return { type: 'SYNC_FETCH', response } } export function syncFetchData(url) { return (dispatch) => { fetch(url) .then((response) => { if (!response.ok) { throw Error(response.statusText); } return response; }) .then((response) => response.json(

问题 How an Action update multiple different Reducers? How can i implement like this? UPDATE: this is my action in ./actions/sync.js. this action connected to an external API and call from Sync Component, periodically. export function syncFetch(response) { return { type: 'SYNC_FETCH', response } } export function syncFetchData(url) { return (dispatch) => { fetch(url) .then((response) => { if (!response.ok) { throw Error(response.statusText); } return response; }) .then((response) => response.json(

问题 I want to use ngxs for state management in my Angular 6 application. But I am not sure if it is mature for big projects. I can not find any articles about Difference in performance between ngrx and ngxs. Can someone provide some info about it? Performance metrics: Getting a large number of items form the store and writing back into the store. 回答1: Here is good answer from Reddit (Angular2+ community). It's from a developer who tested both and switched to NGXS. I would like to share my

问题 I want to use ngxs for state management in my Angular 6 application. But I am not sure if it is mature for big projects. I can not find any articles about Difference in performance between ngrx and ngxs. Can someone provide some info about it? Performance metrics: Getting a large number of items form the store and writing back into the store. 回答1: Here is good answer from Reddit (Angular2+ community). It's from a developer who tested both and switched to NGXS. I would like to share my

问题 In my React app, my appReducer manages global stuff such as notifications, user info, etc. One of the modules in the app is the inventory module which has its own reducer i.e. inventoryReducer. And in the redux store, I combine all the reducers. My questions is this: when a user makes an inventory entry, in addition to handling the inventory transaction, I want to display an on-screen notification which is handled in the appReducer. How do I update the state of displayNotification which is

问题 Currently in react I have to functions in the componentDidMount lifecycle method in which call action creators to which fetch data. The component uses the data however, depending on how quick the response is determines if the data is there or not. How can i make it so the component doesn't render before data is inside it? componentDidMount() { this.props.getTotalHours() this.props.getTrained() } Render Function: render() { let hours = parseInt(_.map(this.props.hours, 'hours')); let trained =

问题 Currently in react I have to functions in the componentDidMount lifecycle method in which call action creators to which fetch data. The component uses the data however, depending on how quick the response is determines if the data is there or not. How can i make it so the component doesn't render before data is inside it? componentDidMount() { this.props.getTotalHours() this.props.getTrained() } Render Function: render() { let hours = parseInt(_.map(this.props.hours, 'hours')); let trained =

问题 I am using Redux and React for my project. I have some Routes in App.js. I also use the connect function in react-redux in my project. To prevent update blocking issue, I usually wrapped my component in this way withRouter(connect(mapStateToProps, mapDispatchToProps)(App)), However, If I changed order of withRouter and connect it doesn't work: connect(mapStateToProps, mapDispatchToProps)(withRouter(App)) I have console.log the props in App.js. It already receives location and history props. I

问题 I am using Redux and React for my project. I have some Routes in App.js. I also use the connect function in react-redux in my project. To prevent update blocking issue, I usually wrapped my component in this way withRouter(connect(mapStateToProps, mapDispatchToProps)(App)), However, If I changed order of withRouter and connect it doesn't work: connect(mapStateToProps, mapDispatchToProps)(withRouter(App)) I have console.log the props in App.js. It already receives location and history props. I

问题 Using Redux-Toolkit, I am trying to use ThunkAPI & dispatch inside an createAsyncThunk but I am getting rejected because of type error. Not sure how to resolve this. my store: export const store = configureStore({ reducer: rootReducer, middleware: [...getDefaultMiddleware()], }); my Action: export const tester = createAsyncThunk( 'tester', async (testData, {dispatch}) => { await dispatch(load(true)); const final = await someExternalFunc(testData) return final; } ); but, I am getting output as