File size: 1,685 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | import range from 'lodash/range.js'
import random from 'lodash/random.js'
import shuffle from 'lodash/shuffle.js'
type SwarmPlotDatum = {
id: string
categories?: number[]
group: string
price: number
volume: number
}
const randomPrice = () => random(0, 500)
const randomVolume = () => random(4, 20)
const randomCategory = () => random(3, 17)
export const generateSwarmPlotData = (
groups: string[],
{ min = 60, max = 100, categoryCount = 0 }
) => ({
groups,
data: groups.reduce<SwarmPlotDatum[]>(
(acc, group, groupIndex) => [
...acc,
...range(random(min, max))
.map(() => randomPrice())
.map((price, index) => {
const datum: SwarmPlotDatum = {
id: `${groupIndex}.${index}`,
group,
price,
volume: randomVolume(),
}
if (categoryCount > 0) {
datum.categories = range(categoryCount).map(randomCategory)
}
return datum
}),
],
[]
),
})
export const randomizeSwarmPlotData = (previousData: ReturnType<typeof generateSwarmPlotData>) => ({
groups: previousData.groups,
data: previousData.data.map(d => {
const datum = {
...d,
group: shuffle(previousData.groups)[0],
price: randomPrice(),
volume: randomVolume(),
}
if (d.categories !== undefined) {
datum.categories = range(3).map(randomCategory)
}
return datum
}),
})
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