railbird-gql/component/charts/line-graph/line-graph.tsx

91 lines
3.1 KiB
TypeScript

import React from 'react';
import * as shape from 'd3-shape';
import { View } from 'react-native';
import { LineChart, XAxis, YAxis } from 'react-native-svg-charts';
import { useGraphData } from '../use-graph-data';
import { CustomGrid } from '../custom-grid';
import { graphStyles } from '../chart-styles';
import ChartView from '../chart-view';
import { CommonProps } from '../graph-types';
// TODO: separate PR will update useGraphData to take into account useCommonScale
// eslint-disable-next-line no-unused-vars, @typescript-eslint/no-unused-vars
const LineGraph: React.FC<CommonProps> = ({ data, useCommonScale = false, testID, ...props }) => {
if (!data || typeof data !== 'object') {
return null
}; // TODO:#38
const {
xValues,
yData,
yAxisLeftLabels,
yAxisRightLabels,
defaultProps: {
height,
contentInset,
min,
numberOfTicks,
lineStrokeWidth,
yAxisProps: {
maxLeftYAxisValue,
maxRightYAxisValue,
formatLeftYAxisLabel,
formatRightYAxisLabel
}
}
// Proper error/loading handling from useQueryHandler can work with this rule #38
// eslint-disable-next-line react-hooks/rules-of-hooks
} = useGraphData(data, props);
return (
<ChartView>
<View style={[graphStyles.rowContainer, { height: height }]} testID={`line-graph-${testID}`}>
<YAxis
data={yAxisLeftLabels.values}
contentInset={contentInset}
svg={graphStyles.yAxisFontStyle}
style={graphStyles.yAxisLeftPadding}
min={min}
max={maxLeftYAxisValue}
numberOfTicks={numberOfTicks}
formatLabel={formatLeftYAxisLabel}
/>
<View style={graphStyles.flex}>
<LineChart
style={graphStyles.flex}
data={yData}
curve={shape.curveNatural}
svg={{ strokeWidth: lineStrokeWidth}}
yAccessor={({ item }) => (item as unknown as { value: number }).value}
xAccessor={({ index }) => xValues[index] as number}
gridMin={min}
contentInset={contentInset}
numberOfTicks={numberOfTicks}
>
<CustomGrid />
</LineChart>
<XAxis
data={xValues.map((_, index: number) => index)} // TODO: update when useGraphHook returns explicit display values
style={[graphStyles.xAxisMarginTop]}
svg={graphStyles.xAxisFontStyle}
numberOfTicks={numberOfTicks}
contentInset={graphStyles.horizontalInset}
/>
</View>
<YAxis
data={yAxisRightLabels?.values ?? yAxisLeftLabels.values}
contentInset={contentInset}
svg={graphStyles.yAxisFontStyle}
style={[graphStyles.yAxisRightPadding, { height: useCommonScale ? 0 : 'auto' }]}
min={min}
max={maxRightYAxisValue}
numberOfTicks={numberOfTicks}
formatLabel={formatRightYAxisLabel} // formatRightYAxisLabel formatting could come from yAxisRightLabels object
/>
</View>
</ChartView>
);
};
export default LineGraph;