react-redux

问题 30/11/2019 Updated the code sandbox with the solution here. Original Question asked on 28/11/2019 I am trying to learn Higher Order Components but struggling to get a Higher Order Component connected to the redux store and router. Hoping that someone can help with a Higher Order Component type compilation problem I am struggling with relating to mapStateToProps . I am trying to create a higher order component, withErrorListener. It has the following features: withErrorListener wraps a base

问题 30/11/2019 Updated the code sandbox with the solution here. Original Question asked on 28/11/2019 I am trying to learn Higher Order Components but struggling to get a Higher Order Component connected to the redux store and router. Hoping that someone can help with a Higher Order Component type compilation problem I am struggling with relating to mapStateToProps . I am trying to create a higher order component, withErrorListener. It has the following features: withErrorListener wraps a base

问题 I have a question, regarding updating a status in redux, I have this code that lists me a few elements and works well, now when I delete one of those elements also works, but the list is not updated after the delete click, I have to reload the page, to see the changes, some guide // Component listcomponent.js export default class listcomponent extends Component { constructor(props) { super(props); } render() { return( <div> {this.renderGroup()} </div> ) } renderGroup(){ return this.props

问题 I'm facing an issue in my app, when the user is authenticated and he types in the desired link address manually, which he has access to, the page redirects him to the home page. This doesn't happen when simply clicking on the links. Here is the code: const asyncCheckout = asyncComponent(() => { return import('./containers/Checkout/Checkout'); }); const asyncOrders = asyncComponent(() => { return import('./containers/Orders/Orders'); }); const asyncAuth = asyncComponent(() => { return import('

问题 I'm facing an issue in my app, when the user is authenticated and he types in the desired link address manually, which he has access to, the page redirects him to the home page. This doesn't happen when simply clicking on the links. Here is the code: const asyncCheckout = asyncComponent(() => { return import('./containers/Checkout/Checkout'); }); const asyncOrders = asyncComponent(() => { return import('./containers/Orders/Orders'); }); const asyncAuth = asyncComponent(() => { return import('

问题 Scenario: I have two components, <Homepage> [self explanatory name] and <Country> [which shows a list of country accessed through an API]. <Homepage> imports <Country /> [Country is the child] I dispatch an action to get list of country in . everything works fine, state gets updated as required. Also I'm using mapStateToProps and mapDispatchToProps . Below is the code for <Country /> import React, { Component } from 'react'; import { connect } from 'react-redux'; import { userActions } from '

问题 I have a useEffect in my Routes in App.js <Switch> <Route exact path={['/en', '/fr']} component={HomePage} /> <Route path={['/en/*', '/fr/*']}> <Route path="/:lang/*" component={DefaultLanguage} /> in the same file(App.js) we have the component like so (using react-localize-redux): const DefaultLanguage = withLocalize( ({ activeLanguage, setActiveLanguage, ...props }) => { useEffect(() => { console.log('setting active language'); setActiveLanguage(props.match.params.lang); }, []); return <></

问题 I have the following action creator(s) and for some reason, the code within the dispatch doesn't execute, although I know that the loginSuccess() gets invoked because the first alert triggers. What am I doing wrong? import facebook from '../api/facebook' import * as types from '../constants/ActionTypes'; export function loginSuccess() { alert("This alerts fine"); return dispatch => { alert("This doesn't alert"); } } I am using Thunk (or at least think I am correctly) as can be seen below when

问题 I am using react-select and the creatable function that allows you to create a new select option - just type in the select/input field on example. When you type in the first custom option it defaults into a group called "new Group". When you create a 2nd custom option this should overwrite the first in the new group. However the group name disappears. This is the incorrect code that results in that behavior... if (this.state.hasCreatedOption) { options[this.state.hasCreatedOption] = newOption

问题 im following this tutorial from redux form official page http://redux-form.com/5.3.1/#/getting-started?_k=8q7qyo there are two issue im facing 1: how to get form data in handleSubmit function or in any other function. so that i can process form data according to my needs. 2: each time when i submit form my page get refresh. i dont want to refresh my page import React, {Component} from 'react'; import {reduxForm} from 'redux-form'; class ContactForm extends Component { render() { const {fields