119 lines
2.2 KiB
TypeScript
119 lines
2.2 KiB
TypeScript
import format from 'date-fns/format';
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import { FC } from 'react';
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import {
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Chart as ChartJS,
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CategoryScale,
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LinearScale,
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PointElement,
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LineElement,
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Title,
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Tooltip,
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Legend,
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LogarithmicScale,
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} from 'chart.js';
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import { Line } from 'react-chartjs-2';
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ChartJS.register(
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CategoryScale,
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LogarithmicScale,
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LinearScale,
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PointElement,
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LineElement,
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Title,
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Tooltip,
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Legend,
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);
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interface TimedValue {
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time: Date;
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value: number;
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pointStyle?: boolean | string;
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pointRadius?: number;
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}
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export type ChartProps = {
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data?: TimedValue[];
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title?: string;
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color: string;
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unit: string;
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yFlipped?: boolean;
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yLogarithmic?: boolean;
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dataCollections?: any[];
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};
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function createGraphDataset(dataArray) {
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const dataValues = {};
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dataArray.forEach(item => {
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const dateObject = new Date(item.time);
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const dateString = format(dateObject, 'H:mma');
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dataValues[dateString] = item.value;
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});
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return dataValues;
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}
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export const Chart: FC<ChartProps> = ({
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data,
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title,
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color,
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unit,
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dataCollections,
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yFlipped,
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yLogarithmic,
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}) => {
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const renderData = [];
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if (data && data.length > 0) {
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renderData.push({
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id: title,
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label: title,
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backgroundColor: color,
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borderColor: color,
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borderWidth: 3,
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data: createGraphDataset(data),
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});
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}
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dataCollections.forEach(collection => {
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renderData.push({
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id: collection.name,
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label: collection.name,
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data: createGraphDataset(collection.data),
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backgroundColor: collection.color,
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borderColor: collection.color,
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borderWidth: 3,
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pointStyle: collection.pointStyle || 'circle',
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radius: collection.pointRadius || 1,
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});
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});
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const options = {
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responsive: true,
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scales: {
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y: {
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type: yLogarithmic ? ('logarithmic' as const) : ('linear' as const),
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reverse: yFlipped,
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title: {
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display: true,
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text: unit,
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},
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},
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},
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};
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return (
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<div className="line-chart-container">
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<Line data={{ datasets: renderData }} options={options} height="70vh" />
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</div>
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);
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};
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Chart.defaultProps = {
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dataCollections: [],
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data: [],
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title: '',
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yFlipped: false,
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yLogarithmic: false,
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};
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