Per the Redux FAQ question at here, this.props.dispatch is available by default if you do not supply your own mapDispatchToProps function. If you do supply a mapDispatchToProps function, you are responsible for returning a prop named dispatch yourself: Or, you can make sure your action creators are pre-bound using Redux’s bindActionCreators utility, and skip having to worry about using this.props.dispatch in your component.
npm start runs a script that the app maker built for easy starting of the app npm install installs all the packages in package.json run npm install first then run npm start
You can post axios data by using FormData() like: And then add the fields to the form you want to send: If you are uploading images, you may want to use .append And then you can use axios post method (You can amend it accordingly) Related GitHub issue: Can’t get a .post with ‘Content-Type’: ‘multipart/form-data’ … Read more
You are passing hello() as a string, also hello() means execute hello immediately. try
You have to dispatch after the async request ends. This would work:
As Context is no longer an experimental feature and you can use Context in your application directly and it is going to be great for passing down data to deeply nested components which what it was designed for. As Mark Erikson has written in his blog: If you’re only using Redux to avoid passing down props, context could … Read more
Q: Is this ok?A: yes Q: Is this expected?Yes, this is expected (if you are using react-redux). Q: Is this an anti-pattern?A: No, this is not an anti-pattern. It’s called “connecting” your component or “making it smart”. It’s by design. It allows you to decouple your component from your state an additional time which increases the modularity of … Read more
I feel like none of the answers have crystallized why mapDispatchToProps is useful. This can really only be answered in the context of the container-component pattern, which I found best understood by first reading:Container Components then Usage with React. In a nutshell, your components are supposed to be concerned only with displaying stuff. The only place they are supposed to get information from is … Read more
componentWillReceiveProps is required if you want to update the state values with new props values, this method will get called whenever any change happens to props values. In your case why you need this componentWillReceiveProps method? Because you are storing the props values in state variable, and using it like this: this.state.KeyName That’s why you … Read more