React ??? ?? ??? React Hooks ??
?? React ??? ?? ????? ???? ?? ?? ???? ?? ?? ? ??? ?? ??? ?????. ??? React ??? ??? ???? ??? ??? ??? ???? ?? ?? ?? ??? ?????.
??? ??? ?? ??? ?? ??? ?? ??? HOC(?? ?? ??)?? ??? ????. HOC? ?? ??? ???? ?? ???? ???? ?????.
??? ?? ??? React Hooks ??
??? ?? ??? React ??? ????? ?? ??? ????.
- ??? ??? ???? ? ??? ??? ????? prop?? ???? HOC? ?????.
<code class="javascript">function withMyHook(Component) {
return function WrappedComponent(props) {
const myHookValue = useMyHook();
return <Component {...props} myHookValue={myHookValue} />;
};
}</code>
- ??? ????? HOC? ?????.
<code class="javascript">import { withMyHook } from './withMyHook';
class MyComponent extends React.Component {
render() {
const myHookValue = this.props.myHookValue;
return <div>{myHookValue}</div>;
}
}
export default withMyHook(MyComponent);</code>
?? ?
?? ??? ?? ??? ?????.
<code class="javascript">class MyDiv extends React.component {
constructor() {
this.state = { sampleState: 'hello world' };
}
render() {
return <div>{this.state.sampleState}</div>;
}
}</code>
useState ??? MyDiv? ????? useState? ???? ?? ??? ??? ?? ???? HOC? ?????. prop.
<code class="javascript">const withSampleState = withMyHook((props) => useState(props.initialState));</code>
MyDiv? withSampleState HOC? ???? ??? ?? ??? ?????.
<code class="javascript">const MyDivWithState = withSampleState({
initialState: 'hello world',
})(MyDiv);</code>
?? MyDivWithState ?? ??? HOC ?? useState ???? ???? ??? ???? ? ????. .
? ??? HOC(?? ?? ??)? ???? React Hooks? ??? ?? ??? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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