typescript react component code example

Example 1: React with Typescript

// to create a simple app with React and Typescript
npx create-react-app yourProjectName --template typescript

// to add Typescript in an existing project
npm install --save typescript @types/node @types/react @types/react-dom @types/jest

Example 2: react tsx component example

import React from 'react';

interface Props {
}

const App: React.FC<Props> = (props) => {
  return (
    <div><div/>
  );
};

export default App;

Example 3: 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;

Example 4: react functional component typescript

import React from 'react';

interface Props {
  
}

export const App: React.FC<Props> = (props) => {
  return (
    <>
     <SomeComponent/>
    </>
  );
};

Example 5: typescript react elements

let element: JSX.Element;

Example 6: 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> 
    )
  }
  
};