import React from 'react'; import { Link } from 'react-router-dom'; import { Helmet } from 'react-helmet'; import localForage from 'localforage'; import { sourceLink, infoLine } from './utils.js'; class Feed extends React.Component { constructor(props) { super(props); this.state = { stories: JSON.parse(localStorage.getItem('stories')) || false, error: false, }; } componentDidMount() { fetch('/api') .then(res => res.json()) .then( (result) => { const updated = !this.state.stories || this.state.stories[0].id !== result.stories[0].id; console.log('updated:', updated); this.setState({ stories: result.stories }); localStorage.setItem('stories', JSON.stringify(result.stories)); if (updated) { localForage.clear(); result.stories.forEach(x => { fetch('/api/' + x.id) .then(res => res.json()) .then(result => { localForage.setItem(x.id, result.story) .then(console.log('preloaded', x.id, x.title)); this.props.updateCache(x.id, result.story); }, error => {} ); }); } }, (error) => { this.setState({ error: true }); } ); } render() { const stories = this.state.stories; const error = this.state.error; return (
Feed - QotNews {error &&

Connection error?

} {stories ?
{stories.map((x, i) =>
{i+1}.
{x.title} ​({sourceLink(x)})
{infoLine(x)}
)}
:

loading...

}
); } } export default Feed;