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import React from 'react'; | |
import ReactDOM from 'react-dom'; | |
import axios from 'axios'; | |
// Necesitas crear el component como una clase | |
class FetchDemo extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = { | |
posts: [] | |
}; | |
} | |
// Asi puedes usar los lifecycle methods de React, como componentDidMount() | |
componentDidMount() { | |
// Acá haces tu llamada al API | |
axios.get(`http://www.reddit.com/r/${this.props.subreddit}.json`) | |
.then(res => { | |
const posts = res.data.data.children.map(obj => obj.data); | |
this.setState({ posts }); // Acá la promesa se resuelve y puedes actualizar el state del component con la data | |
}); | |
} | |
render() { | |
return ( | |
<div> | |
<h1>{`/r/${this.props.subreddit}`}</h1> | |
<ul> | |
{this.state.posts.map(post => | |
<li key={post.id}>{post.title}</li> | |
)} | |
</ul> | |
</div> | |
); | |
} | |
} | |
ReactDOM.render( | |
<FetchDemo subreddit="reactjs"/>, | |
document.getElementById('root') | |
); |
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