pass ref to class component react
class ElemComponent extends Component {
render() {
return (
<div ref={this.props.innerRef}>
Div has a ref
</div>
)
}
}
export default React.forwardRef((props, ref) => <ElemComponent
innerRef={ref} {...props}
/>);passing ref to child component
// Dumb:
export default props =>
<input type='number' ref={props.setRef} />
// Smart:
class Parent extends Component {
constructor(props) {
super(props);
}
setRef(ref) {
this.inputRef = ref;
}
render(){
return <Dumb {...this.props} setRef={this.setRef} />
}
}Copyright © 2021 Codeinu
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