76 lines
1.8 KiB
TypeScript
76 lines
1.8 KiB
TypeScript
import React from "react"
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import { Component } from "react"
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import Plot from "react-plotly.js"
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import { NewTickData, socket } from '../';
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type FirstConnectData = {
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ticks: Array<number>,
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prices: Array<number>
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}
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type PlotState = {
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x: Array<number>,
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y: Array<number>
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}
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class RPlot extends Component<{}, PlotState> {
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constructor(props) {
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super(props)
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}
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state = {
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x: [],
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y: []
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}
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componentDidMount() {
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socket.on("first_connect", (data: FirstConnectData) => {
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this.setState({
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x: data.ticks,
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y: data.prices
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})
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})
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socket.on("new_tick", (data: NewTickData) => {
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var new_x = [...this.state.x, data.tick]
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var new_y = [...this.state.y, data.price]
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// cutting to up to 500 entries (last 500)
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var x = new_x.slice(Math.max(new_x.length - 500, 0))
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var y = new_y.slice(Math.max(new_y.length - 500, 0))
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this.setState({
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x: x,
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y: y,
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})
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})
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}
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render() {
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return (
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<Plot
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data={[
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{
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x: this.state.x,
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y: this.state.y,
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type: 'scatter',
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mode: 'lines+markers',
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"marker.colorbar": { tickformat: ".1f"}
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},
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]}
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layout={{ dragmode: "pan", autosize: true }}
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config={{
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scrollZoom: true,
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displayModeBar: false,
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responsive: true,
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}}
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style={{ width: '90%', height: '90%' }}
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/>
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)
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}
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}
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export default RPlot;
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