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April 27, 2023 03:16
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| import * as React from 'react' | |
| import * as Plot from '@observablehq/plot' | |
| import useRect from '../hooks/useRect' | |
| import { twMerge } from 'tailwind-merge' | |
| import { useThemeMode } from '../utils/Theme' | |
| import { data } from '../utils/DataColors' | |
| export function ObservablePlot({ | |
| legend, | |
| legendType = 'color', | |
| options, | |
| ...props | |
| }: React.HTMLAttributes<HTMLDivElement> & { | |
| legend?: Plot.LegendOptions | |
| legendType?: Plot.LegendType | |
| options: Plot.Options | |
| children?: (props: { | |
| legend: React.ReactNode | |
| plot: React.ReactNode | |
| }) => React.ReactNode | |
| }) { | |
| const [el, setEl] = React.useState<HTMLDivElement>(null!) | |
| const [plotEl, setPlotEl] = React.useState<HTMLDivElement>(null!) | |
| const [legendEl, setLegendEl] = React.useState<HTMLDivElement>(null!) | |
| const { themeMode } = useThemeMode() | |
| const legendRect = useRect(legendEl) | |
| const rect = useRect(el) | |
| const width = rect.width | |
| const height = Math.max(0, rect.height - (legendRect?.height ?? 0)) | |
| const plot = React.useMemo(() => { | |
| return Plot.plot({ | |
| ...options, | |
| color: { | |
| range: data, | |
| ...options.color, | |
| }, | |
| style: { | |
| background: 'transparent', | |
| color: themeMode === 'dark' ? '#fff' : '#000', | |
| ...options.style, | |
| }, | |
| width, | |
| height, | |
| }) | |
| }, [options, width, height]) | |
| const legendPlotEl = React.useMemo(() => { | |
| return plot.legend(legendType, { | |
| ...legend, | |
| style: { | |
| background: 'transparent', | |
| color: themeMode === 'dark' ? '#fff' : '#000', | |
| ...legend?.style, | |
| }, | |
| }) | |
| }, [plot]) | |
| React.useEffect(() => { | |
| if (!legendEl) { | |
| return | |
| } | |
| legendEl.innerHTML = '' | |
| legendEl.append(legendPlotEl) | |
| }, [legendEl, legendPlotEl]) | |
| React.useEffect(() => { | |
| if (!plotEl) { | |
| return | |
| } | |
| plotEl.innerHTML = '' | |
| plotEl.append(plot) | |
| }, [plotEl, plot]) | |
| const legendComp = legend ? ( | |
| <div | |
| ref={el => { | |
| setLegendEl(el!) | |
| }} | |
| /> | |
| ) : null | |
| const plotComp = plot ? ( | |
| <div | |
| ref={el => { | |
| setPlotEl(el!) | |
| }} | |
| className="w-full" | |
| /> | |
| ) : null | |
| return ( | |
| <div | |
| {...props} | |
| ref={el => { | |
| setEl(el!) | |
| }} | |
| className={twMerge('', props.className)} | |
| > | |
| {props.children ? ( | |
| props.children({ legend: legendComp, plot: plotComp }) | |
| ) : ( | |
| <> | |
| {plotComp} | |
| {legendComp} | |
| </> | |
| )} | |
| </div> | |
| ) | |
| } |
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