f063d5cd24
* Use step charts * Fixed formatting * Fixed flat line on right side of chart * Tweaked chart margins * Restored right margin
108 lines
3.1 KiB
TypeScript
108 lines
3.1 KiB
TypeScript
import { DatumValue } from '@nivo/core'
|
|
import { ResponsiveLine } from '@nivo/line'
|
|
import dayjs from 'dayjs'
|
|
import { memo } from 'react'
|
|
import { Bet } from 'common/bet'
|
|
import { getInitialProbability } from 'common/calculate'
|
|
import { BinaryContract } from 'common/contract'
|
|
import { useWindowSize } from 'web/hooks/use-window-size'
|
|
|
|
export const ContractProbGraph = memo(function ContractProbGraph(props: {
|
|
contract: BinaryContract
|
|
bets: Bet[]
|
|
height?: number
|
|
}) {
|
|
const { contract, height } = props
|
|
const { resolutionTime, closeTime } = contract
|
|
|
|
const bets = props.bets.filter((bet) => !bet.isAnte && !bet.isRedemption)
|
|
|
|
const startProb = getInitialProbability(contract)
|
|
|
|
const times = [
|
|
contract.createdTime,
|
|
...bets.map((bet) => bet.createdTime),
|
|
].map((time) => new Date(time))
|
|
const probs = [startProb, ...bets.map((bet) => bet.probAfter)]
|
|
|
|
const isClosed = !!closeTime && Date.now() > closeTime
|
|
const latestTime = dayjs(
|
|
resolutionTime && isClosed
|
|
? Math.min(resolutionTime, closeTime)
|
|
: isClosed
|
|
? closeTime
|
|
: resolutionTime ?? Date.now()
|
|
)
|
|
|
|
// Add a fake datapoint so the line continues to the right
|
|
times.push(latestTime.toDate())
|
|
probs.push(probs[probs.length - 1])
|
|
|
|
const points = probs.map((prob, i) => ({ x: times[i], y: prob * 100 }))
|
|
const data = [{ id: 'Yes', data: points, color: '#11b981' }]
|
|
|
|
const yTickValues = [0, 25, 50, 75, 100]
|
|
|
|
const { width } = useWindowSize()
|
|
|
|
const numXTickValues = !width || width < 800 ? 2 : 5
|
|
const hoursAgo = latestTime.subtract(5, 'hours')
|
|
const startDate = dayjs(times[0]).isBefore(hoursAgo)
|
|
? times[0]
|
|
: hoursAgo.toDate()
|
|
|
|
const lessThanAWeek = dayjs(startDate).add(1, 'week').isAfter(latestTime)
|
|
|
|
return (
|
|
<div
|
|
className="w-full overflow-visible"
|
|
style={{ height: height ?? (!width || width >= 800 ? 350 : 250) }}
|
|
>
|
|
<ResponsiveLine
|
|
data={data}
|
|
yScale={{ min: 0, max: 100, type: 'linear' }}
|
|
yFormat={formatPercent}
|
|
gridYValues={yTickValues}
|
|
axisLeft={{
|
|
tickValues: yTickValues,
|
|
format: formatPercent,
|
|
}}
|
|
xScale={{
|
|
type: 'time',
|
|
min: startDate,
|
|
max: latestTime.toDate(),
|
|
}}
|
|
xFormat={(d) => formatTime(+d.valueOf(), lessThanAWeek)}
|
|
axisBottom={{
|
|
tickValues: numXTickValues,
|
|
format: (time) => formatTime(+time, lessThanAWeek),
|
|
}}
|
|
colors={{ datum: 'color' }}
|
|
curve="stepAfter"
|
|
pointSize={0}
|
|
pointBorderWidth={1}
|
|
pointBorderColor="#fff"
|
|
enableSlices="x"
|
|
enableGridX={!!width && width >= 800}
|
|
enableArea
|
|
margin={{ top: 20, right: 20, bottom: 25, left: 40 }}
|
|
animate={false}
|
|
/>
|
|
</div>
|
|
)
|
|
})
|
|
|
|
function formatPercent(y: DatumValue) {
|
|
return `${Math.round(+y.toString())}%`
|
|
}
|
|
|
|
function formatTime(time: number, includeTime: boolean) {
|
|
const d = dayjs(time)
|
|
|
|
if (d.isSame(Date.now(), 'day')) return d.format('ha')
|
|
|
|
if (includeTime) return dayjs(time).format('MMM D, ha')
|
|
|
|
return dayjs(time).format('MMM D')
|
|
}
|