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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| import type { EChartsOption, SetOptionOpts } from 'echarts'; | ||
| import { BarChart, LineChart } from 'echarts/charts'; | ||
| import { | ||
| DatasetComponent, | ||
| DataZoomComponent, | ||
| GridComponent, | ||
| LegendComponent, | ||
| TitleComponent, | ||
| ToolboxComponent, | ||
| TooltipComponent, | ||
| TransformComponent, | ||
| } from 'echarts/components'; | ||
| import * as echarts from 'echarts/core'; | ||
| import { LabelLayout, UniversalTransition } from 'echarts/features'; | ||
| import { CanvasRenderer } from 'echarts/renderers'; | ||
| import React, { useEffect, useRef, useState } from 'react'; | ||
| import type { CSSProperties } from 'react'; | ||
| import useResize from 'hooks/useResize'; | ||
|
|
||
| echarts.use([ | ||
| BarChart, | ||
| LineChart, | ||
| DataZoomComponent, | ||
| TitleComponent, | ||
| TooltipComponent, | ||
| ToolboxComponent, | ||
| LegendComponent, | ||
| GridComponent, | ||
| DatasetComponent, | ||
| TransformComponent, | ||
| LabelLayout, | ||
| UniversalTransition, | ||
| CanvasRenderer, | ||
| ]); | ||
|
|
||
| interface Props { | ||
| onClick?: (param: echarts.ECElementEvent) => void; | ||
| option: EChartsOption; | ||
| settings?: SetOptionOpts; | ||
| style?: CSSProperties; | ||
| } | ||
|
|
||
| const ReactECharts: React.FC<Props> = ({ option, style, settings = {}, onClick }: Props) => { | ||
| const chartRef = useRef<HTMLDivElement>(null); | ||
| const [width, height] = useResize(chartRef); | ||
| const [echart, setEchart] = useState<echarts.ECharts | undefined>(undefined); | ||
|
|
||
| useEffect(() => { | ||
| if (chartRef.current && !echart) { | ||
| const chart = echarts.init(chartRef.current, null, { renderer: 'canvas', useDirtyRect: false }); | ||
| chart.on('click', onClick ?? (() => undefined)); | ||
| setEchart(chart); | ||
| } | ||
|
|
||
| return () => { | ||
| echart?.dispose(); | ||
| }; | ||
| }, [echart, onClick]); | ||
|
|
||
| useEffect(() => { | ||
| echart?.resize({ width, height }); | ||
| }, [echart, height, width]); | ||
|
|
||
| useEffect(() => { | ||
| echart?.setOption(option, { ...settings, notMerge: false }); | ||
| }, [echart, option, settings]); | ||
|
|
||
| return ( | ||
| <div | ||
| ref={chartRef} | ||
| style={{ | ||
| height: '100%', | ||
| position: 'relative', | ||
| width: '100%', | ||
| ...style, | ||
| }} | ||
| /> | ||
| ); | ||
| }; | ||
|
|
||
| export default ReactECharts; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| import { RefObject, useCallback, useEffect, useState } from 'react'; | ||
|
|
||
| const useResize = (ref: RefObject<HTMLElement>): [width: number, height: number] => { | ||
| const [height, setHeight] = useState<number>(0); | ||
| const [width, setWidth] = useState<number>(0); | ||
|
|
||
| const handleResize = useCallback((entries: ResizeObserverEntry[]) => { | ||
| if (!Array.isArray(entries)) { | ||
| return; | ||
| } | ||
|
|
||
| const entry = entries[0]; | ||
| setWidth(entry.contentRect.width); | ||
| setHeight(entry.contentRect.height); | ||
| }, []); | ||
|
|
||
| useEffect(() => { | ||
| if (!ref.current) { | ||
| return; | ||
| } | ||
|
|
||
| let resizeObserver = new ResizeObserver((entries: ResizeObserverEntry[]) => handleResize(entries)); | ||
| resizeObserver.observe(ref.current); | ||
|
|
||
| return () => { | ||
| resizeObserver.disconnect(); | ||
| resizeObserver = null; | ||
| }; | ||
| }, [handleResize, ref]); | ||
|
|
||
| return [width, height]; | ||
| }; | ||
|
|
||
| export default useResize; |
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