react full notes code example

Example: react full notes

const { useState } = React

const Card = props => {
  return (
    <div style={{ margin: '1em' }}>
      <img alt="avatar" style={{ width: '70px' }} src={props.avatar_url} />
      <div>
        <div style={{ fontWeight: 'bold' }}>{props.name}</div>
        <div>{props.blog}</div>
      </div>
    </div>
  )
}

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

const Form = props => {
  const [username, setUsername] = useState('')
  
  handleSubmit = event => {
    event.preventDefault()
    
    axios
      .get(`https://api.github.com/users/${username}`)
      .then(resp => {
        props.onSubmit(resp.data)
        setUsername('')
      })
  }
  
  return (
    <form onSubmit={handleSubmit}>
      <input
        type="text"
        value={username}
        onChange={event => setUsername(event.target.value)}
        placeholder="GitHub username"
        required
      />
      <button type="submit">Add card</button>
    </form>
  )
}

const App = () => {
  const [cards, setCards] = useState([])
  
  addNewCard = cardInfo => {
    setCards(cards.concat(cardInfo))
  }
  
  return (
    <div>
      <Form onSubmit={addNewCard} />
      <CardList cards={cards} />
    </div>
  )
}

ReactDOM.render(<App />, document.getElementById('app'))