react typescript props
// Declare the type of the props type CarProps = { name: string; brand: string; price; } // usage 1 const Car: React.FC<CarProps> = (props) => { const { name, brand, price } = props; // some logic } // usage 2 const Car: React.FC<CarProps> = ({ name, brand, price }) => { // some logic }
typescript react class component
import * as React from 'react'; export interface TestProps { count: number; } export interface TestState { count: number; } class Test extends React.Component<TestProps, TestState> { state = { count:0 } render() { return ( <h2>this is test</h2> ); } } export default Test;
state in react typescript
interface IProps { } interface IState { playOrPause?: string; } class Player extends React.Component<IProps, IState> { // ------------------------------------------^ constructor(props: IProps) { super(props); this.state = { playOrPause: 'Play' }; } render() { return( <div> <button ref={playPause => this.playPause = playPause} title={this.state.playOrPause} // in this line I get an error > Play </button> </div> ); } }
TYPESCript props class component
class Test extends Component<PropsType,StateType> { constructor(props : PropsType){ super(props) } render(){ console.log(this.props) return ( <p>this.props.whatever</p> ) } };
ts react props type
type Props = { size: string; } const Component = ({ size = 'medium' }: Props) => ( <div className={cn('spinner', size)} /> );
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