lotus/cmd/lotus-townhall/townhall/src/App.js

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1001 B
JavaScript
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2019-10-10 11:07:00 +00:00
import React from 'react';
import './App.css';
class App extends React.Component {
constructor(props) {
super(props);
//let ws = new WebSocket("ws://" + window.location.host + "/sub")
let ws = new WebSocket("ws://127.0.0.1:2975/sub")
ws.onmessage = (ev) => {
console.log(ev)
let update = JSON.parse(ev.data)
this.setState( prev => ({
...prev, [update.From]: update.Update,
}))
}
this.state = {}
}
render() {
let best = Object.keys(this.state).map(k => this.state[k]).reduce((p, n) => p > n.Height ? p : n.Height, -1)
console.log(best)
return Object.keys(this.state).map(k => [k, this.state[k]]).map(([k, v]) => {
let l = <span>{k} {v.Height}</span>
if(best !== v.Height) {
l = <span style={{color: '#f00'}}>{l}</span>
}
return <div>{l}</div>
})
}
}
export default App;