Remove highcharts dependency pt. 1 #15970
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| /** | ||
| * Copyright 2024 The Vitess Authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| import * as d3 from 'd3'; | ||
| import { useEffect, useMemo, useRef } from 'react'; | ||
| import { TimeseriesMap, TimeseriesPoint } from '../../util/tabletDebugVars'; | ||
|
|
||
| const MARGIN = { top: 30, right: 30, bottom: 50, left: 50 }; | ||
| const width = 1000; | ||
| const height = 500; | ||
|
|
||
| type LineChartProps = { | ||
| isLoading: boolean; | ||
| timeseriesMap: TimeseriesMap; | ||
| }; | ||
|
|
||
| export const D3Timeseries = ({ isLoading, timeseriesMap }: LineChartProps) => { | ||
| // bounds = area inside the graph axis = calculated by substracting the margins | ||
| const axesRef = useRef(null); | ||
| const boundsWidth = width - MARGIN.right - MARGIN.left; | ||
| const boundsHeight = height - MARGIN.top - MARGIN.bottom; | ||
|
|
||
| const [xRanges, yRanges] = axisMinsAndMaxes(timeseriesMap, boundsWidth); | ||
| const yMax = yRanges[1]; | ||
| const yScale = useMemo(() => { | ||
| return d3 | ||
| .scaleLinear() | ||
| .domain([0, yMax || 0]) | ||
| .range([boundsHeight, 0]); | ||
| }, [boundsHeight, yMax]); | ||
|
|
||
| const xScale = useMemo(() => { | ||
| return d3.scaleTime().domain(xRanges).range([0, boundsWidth]); | ||
| }, [boundsWidth, xRanges]); | ||
|
|
||
| // Render the X and Y axis using d3.js, not react | ||
| useEffect(() => { | ||
| const svgElement = d3.select(axesRef.current); | ||
| svgElement.selectAll('*').remove(); | ||
|
|
||
| // Render X Axis | ||
| const xAxisGenerator = d3.axisBottom<Date>(xScale); | ||
| xAxisGenerator.tickFormat(d3.timeFormat('%H:%M')); | ||
| svgElement | ||
| .append('g') | ||
| .attr('transform', 'translate(0,' + boundsHeight + ')') | ||
| .call(xAxisGenerator) | ||
| .selectAll('text') | ||
| .attr('class', 'fill-gray-500 font-mono text-medium'); | ||
|
|
||
| // Render Y Axis | ||
| const yAxisGenerator = d3.axisLeft(yScale); | ||
| svgElement | ||
| .append('g') | ||
| .call(yAxisGenerator) | ||
| .selectAll('text') | ||
| .attr('class', 'fill-gray-500 font-mono text-medium'); | ||
| svgElement.selectAll('path').attr('class', '!stroke-gray-200'); | ||
| svgElement.selectAll('line').attr('class', '!stroke-gray-200 z-10'); | ||
| }, [xScale, yScale, boundsHeight]); | ||
|
|
||
| // Build the line | ||
| const lineBuilder = d3 | ||
| .line<TimeseriesPoint>() | ||
| .x((d) => xScale(d.x)) | ||
| .y((d) => yScale(d.y)); | ||
|
|
||
| const colors = d3.scaleOrdinal(d3.schemePiYG[11]); | ||
|
|
||
| return ( | ||
| <div> | ||
| <svg width={width} height={height}> | ||
| <g | ||
| width={boundsWidth} | ||
| height={boundsHeight} | ||
| transform={`translate(${[MARGIN.left, MARGIN.top].join(',')})`} | ||
| > | ||
| {Object.entries(timeseriesMap).map(([name, ts], i) => ( | ||
| <Line color={colors(name)} key={name} timeseriesPoints={ts} lineBuilder={lineBuilder} /> | ||
| ))} | ||
| </g> | ||
| <g | ||
| width={boundsWidth} | ||
| height={boundsHeight} | ||
| ref={axesRef} | ||
| transform={`translate(${[MARGIN.left, MARGIN.top].join(',')})`} | ||
| /> | ||
| </svg> | ||
| <Legend colors={colors} names={Object.keys(timeseriesMap)} /> | ||
| </div> | ||
| ); | ||
| }; | ||
|
|
||
| const Legend: React.FC<{ names: string[]; colors: d3.ScaleOrdinal<string, string, never> }> = ({ names, colors }) => { | ||
| return ( | ||
| <div className="width-full flex items-center justify-center"> | ||
| {names.map((name) => ( | ||
| <div className="mr-6 font-mono text-sm flex items-center justify-center" key={`${name}_legend`}> | ||
| <div className="h-5 w-5 mr-2" style={{ backgroundColor: colors(name) }} /> | ||
| {name} | ||
| </div> | ||
| ))} | ||
| </div> | ||
| ); | ||
| }; | ||
|
|
||
| type LineProps = { | ||
| color: string; | ||
| timeseriesPoints: TimeseriesPoint[]; | ||
| lineBuilder: d3.Line<TimeseriesPoint>; | ||
| }; | ||
|
|
||
| const Line: React.FC<LineProps> = ({ color, timeseriesPoints, lineBuilder }) => { | ||
| const linePath = lineBuilder(timeseriesPoints); | ||
| if (!linePath) { | ||
| return null; | ||
| } | ||
|
|
||
| return <path d={linePath} opacity={1} stroke={color} fill="none" strokeWidth={2} className="z-100" />; | ||
| }; | ||
|
|
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| const axisMinsAndMaxes = (timeseriesMap: TimeseriesMap, boundsWidth: number): [[Date, Date], [number, number]] => { | ||
| const x_values: number[] = Object.values(timeseriesMap) | ||
| .map((points) => points.map((point) => point.x)) | ||
| .flat(); | ||
| const y_values = Object.values(timeseriesMap) | ||
| .map((points) => points.map((point) => point.y)) | ||
| .flat(); | ||
| const y_max = d3.max(y_values) as number; | ||
| const x_ranges = d3.extent(x_values.map((x) => new Date(x))) as [Date, Date]; | ||
| return [x_ranges, [0, y_max || 1]]; | ||
| }; |
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Maybe add
@types/d3too?There was a problem hiding this comment.
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✨ absolutely, TY