Being a beginner to React world, I want to understand in depth what happens when I use {this.props.children} and what are the situations to use the same. What is the relevance of it in below code snippet? render() { if (this.props.appLoaded) { return ( <div> <Header appName={this.props.appName} currentUser={this.props.currentUser} /> {this.props.children} </div> ); } } 5 … Read more
I’m trying to understand the connect method of react-redux, and the functions it takes as parameters. In particular mapStateToProps(). The way I understand it, the return value of mapStateToProps will be an object derived from state (as it lives in the store), whose keys will be passed to your target component (the component connect is … Read more
I’m building an app that needs to show a confirm dialog in some situations. Let’s say I want to remove something, then I’ll dispatch an action like deleteSomething(id) so some reducer will catch that event and will fill the dialog reducer in order to show it. My doubt comes when this dialog submits. How can … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. Improve this question React 16.3.0 was released and the Context API is not an experimental feature anymore. Dan Abramov … Read more
@connect works great when I’m trying to access the store within a react component. But how should I access it in some other bit of code. For eg: let’s say I want to use an authorization token for creating my axios instance that can be used globally in my app, what would be the best … Read more
axios POST request is hitting the url on the controller but setting null values to my POJO class, when I go through developer tools in chrome, the payload contains data. What am I doing wrong? Axios POST Request: var body = { userName: ‘Fred’, userEmail: ‘[email protected]’ } axios({ method: ‘post’, url: ‘/addUser’, data: body }) … Read more
I was reading the documentation for the Redux library and it has this example: In addition to reading the state, container components can dispatch actions. In a similar fashion, you can define a function called mapDispatchToProps() that receives the dispatch() method and returns callback props that you want to inject into the presentational component. This … Read more
I have an action that updates the notification state of my application. Usually, this notification will be an error or info of some sort. I need to then dispatch another action after 5 seconds that will return the notification state to the initial one, so no notification. The main reason behind this is to provide … Read more
