vnext/src/app.js


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import "whatwg-fetch"
import React from "react"
import PropTypes from "prop-types"
import ReactDOM from "react-dom"

import Message from "./components/Message.jsx"

class Page extends React.Component {
  constructor(props) {
    super(props)
    this.state = {msgs: [], loading: false}
  }
  render() { 
    var nodes = this.state.msgs.map(msg => {
      return (<Message key={msg.mid} data={msg}/>) 
    });
    return (<div className="msgs">{nodes}</div>)    
  }
  componentDidMount() {
      fetch(this.props.source)
          .then(response => {
              return response.json()
          })
          .then(data =>
              this.setState({ msgs: data })
          ).catch(ex => {
        console.log(ex)
      });
  }
};

Page.propTypes = {
    msgs: PropTypes.array,
    source: PropTypes.string.isRequired
}

ReactDOM.render(<Page source="https://api.juick.com/messages" />, document.getElementById("content"));