71 lines
2.1 KiB
TypeScript
71 lines
2.1 KiB
TypeScript
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import { DatumValue } from '@nivo/core'
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import { ResponsiveLine } from '@nivo/line'
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import _ from 'lodash'
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import { memo } from 'react'
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import { getDpmOutcomeProbabilities } from '../../../common/calculate-dpm'
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import { NumericContract } from '../../../common/contract'
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import { useWindowSize } from '../../hooks/use-window-size'
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export const NumericGraph = memo(function NumericGraph(props: {
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contract: NumericContract
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height?: number
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}) {
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const { contract, height } = props
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const { totalShares, bucketCount, min, max } = contract
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const bucketProbs = getDpmOutcomeProbabilities(totalShares)
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const xs = _.range(bucketCount).map(
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(i) => min + ((max - min) * i) / bucketCount
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)
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const probs = _.range(bucketCount).map((i) => bucketProbs[`${i}`])
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const points = probs.map((prob, i) => ({ x: xs[i], y: prob * 100 }))
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const data = [{ id: 'Probability', data: points, color: '#b91181' }]
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const yTickValues = [0, 25, 50, 75, 100]
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const { width } = useWindowSize()
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const numXTickValues = !width || width < 800 ? 2 : 5
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return (
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<div
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className="w-full overflow-hidden"
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style={{ height: height ?? (!width || width >= 800 ? 350 : 250) }}
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>
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<ResponsiveLine
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data={data}
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yScale={{ min: 0, max: 100, type: 'linear' }}
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yFormat={formatPercent}
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gridYValues={yTickValues}
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axisLeft={{
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tickValues: yTickValues,
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format: formatPercent,
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}}
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xScale={{
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type: 'linear',
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min: min,
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max: max,
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}}
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xFormat={(d) => `${Math.round(+d * 100) / 100}`}
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axisBottom={{
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tickValues: numXTickValues,
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format: (d) => `${Math.round(+d * 100) / 100}`,
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}}
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colors={{ datum: 'color' }}
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pointSize={0}
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pointBorderWidth={1}
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pointBorderColor="#fff"
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enableSlices="x"
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enableGridX={!!width && width >= 800}
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enableArea
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margin={{ top: 20, right: 28, bottom: 22, left: 40 }}
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/>
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</div>
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)
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})
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function formatPercent(y: DatumValue) {
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return `${Math.round(+y.toString())}%`
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}
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