Async update parent props to child component - reactjs

Question

How to send updated props of parent component to child component after async operation. Is there any lifecycle method available
class SignUp extends Component {
constructor(props){
super(props);
this.state = {...props};
}
componentDidMount(){
this.props.UserSignupType();
}
render(){
<Inputs {...this.state} >
}
}
const stateToProps = state => ({
signupInputs: state.signupInputs
});
connect(stateToProps, null)(SignUp);
class Inputs extends Component {
constructor(props){
super(props);
this.state = {...props};
}
render(){
if(!this.state.isLoaded) {
return <Loading />
} else {
let inputs = [];
this.state.inputs.forEach(function(input){
inputs.push(<TextField value={input.text}>)
});
return <View>{inputs}</View>
}
}
}
Note: Possible duplicate of Pass props to child components after Async update

Answer 1

First correction: You do not need to add data in state from props if you are not updating it. Also if you are updating it, it should be in state of the child component. So parent component can directly pass props to child component like this:
<Inputs {...this.props} >
Now in Inputs component you can directly use props if it's not going to change or you can add it to state using componentWillReceiveProps function as shown below:
componentWillReceiveProps(nextProps){
this.setState({...nextProps});
}

Answer 2

The state can be updated via getDerivedStateFromProps.
Its a static method, where you can compare the state and the new props and update the state.
static getDerivedStateFromProps(nextProps, prevState) {
// Store myId in state.
if (nextProps.myId !== prevState.myId) {
// this updates the state
return {
myId: nextProps.myId
};
}
// This implies it won't update the state
return null;
}

Answer 3

Why do you need to set the state of the child component to the props received? I would just use the props directly.
In your case I am not sure that the constructor gets called on refresh, thus the state of the child component does not get updated. Try using the props directly.