App.js

// @flow

import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';

type Props = {
	name: string,
	age: number,
	DOB: number,
	nationality: string
};

class App extends Component { // flow is highlighting component - too few type arguments
	render() {
		return (
			<div className="App">
				<header className="App-header">
					<img src={logo} className="App-logo" alt="logo" />
					<h1 className="App-title">Welcome to React</h1>
				</header>
				<p className="App-intro">
					To get started, edit <code>src/App.js</code> and save to reload.
				</p>
			</div>
		);
	}
}

function blah() { -  - eslint should tell me off for this
	return 4;
}

someFunction(); - eslint should tell me off for this 

export default App;