Github profile loader with React

github-cards-react.js

const Card = (props) => {
	return (
  	<div style={{margin: '1em'}}>
    	<img width="75" src={props.avatar_url} />
      <div style={{display: 'inline-block', marginLeft: 10}}>
        <div style={{fontSize: '1.25em', fontWeight: 'bold'}}>
        	{props.name}
        </div>
        <div>{props.company}</div>
      </div>
    </div>
  );
}

const CardList = (props) => {
	return (
  	<div>
    	{props.cards.map(card => <Card key={card.id} {...card} />)}
    </div>
  );
}

class Form extends React.Component {
	state = { userName: '' }
  
  handleSubmit = (event) => {
  	event.preventDefault();
    axios.get(`https://api.github.com/users/${this.state.userName}`)
    	.then(res => {
      	this.props.onSubmit(res.data);
        this.setState({userName: ''});
      });
  }
  
	render() {
  	return (
    	<form onSubmit={this.handleSubmit}>
      	<input type="text" 
        	//ref={(input) => this.userNameInput = input}
          value={this.state.userName}
          onChange={(event) => this.setState({userName: event.target.value})}
        	placeholder="Github username" required />
        <button type="submit">Add card</button>
      </form>
    );
  }
}

class App extends React.Component {
	state = {cards: []};
  
  addNewCard = (cardInfo) => {
  	this.setState(prevState => ({
    		cards: prevState.cards.concat(cardInfo)
    	}));
  }
  
	render() {
  	return (
    	<div>
        <Form onSubmit={this.addNewCard} />
        <CardList cards={this.state.cards} />
      </div>
    );
  }
}

ReactDOM.render(<App />, mountNode);