seedy/commits.html at master · ivanmoore/seedy · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8"/>
    <title>Commits</title>
    <script src="https://unpkg.com/react@latest/dist/react.js"></script>
    <script src="https://unpkg.com/react-dom@latest/dist/react-dom.js"></script>
    <script src="https://unpkg.com/babel-standalone@6.15.0/babel.min.js"></script>
</head>
<body>

<div id="root"></div>

<script type="text/babel">
    class Commits extends React.Component {
        constructor(props) {
            super(props);
            this.state = {value: '...'};
            this.initialize();
        }

        initialize() {
            var that = this;

            fetch(this.props.url)
            .then(function(data) {
                Promise.resolve(data.text()).then(function(v) {
                    that.setState({value: v});
                });
            })
            .catch(function() {
                that.setState({value: 'boo'});
            });
        }

        render() {
            return <div>Commits for {this.props.url} resulted in {this.state.value} when <Timer/></div>;
        }
    }

    class Timer extends React.Component {
      constructor(props) {
        super(props);
        this.state = {secondsElapsed: 0};
      }

      tick() {
        this.setState((prevState) => ({
          secondsElapsed: prevState.secondsElapsed + 1
        }));
      }

      componentDidMount() {
        this.interval = setInterval(() => this.tick(), 1000);
      }

      componentWillUnmount() {
        clearInterval(this.interval);
      }

      render() {
        return (
          <span>Seconds Elapsed: {this.state.secondsElapsed}</span>
        );
      }
    }

    var root = document.getElementById('root');
    ReactDOM.render(<Commits url="https://api.github.com/repos/ivanmoore/Eatcheap/commits" />, root);
</script>

</body>
</html>