47 lines
1.3 KiB
TypeScript
47 lines
1.3 KiB
TypeScript
|
import { shallowRef, watch } from 'vue'
|
||
|
|
|
||
|
|
import { normalizeWaveformSeries } from '../../core'
|
||
|
|
import type { WaveformData, WaveformPoint } from '../../types'
|
||
|
|
import { paddedDomain } from '../../utils'
|
||
|
|
|
||
|
|
export interface PreparedWaveformSeries {
|
||
|
|
id: string
|
||
|
|
name: string
|
||
|
|
unit?: string
|
||
|
|
color?: string
|
||
|
|
points: WaveformPoint[]
|
||
|
|
xDomain: [number, number]
|
||
|
|
yDomain: [number, number]
|
||
|
|
}
|
||
|
|
|
||
|
|
function pointDomain(points: WaveformPoint[], key: 'x' | 'y'): [number, number] {
|
||
|
|
let minimum = Number.POSITIVE_INFINITY
|
||
|
|
let maximum = Number.NEGATIVE_INFINITY
|
||
|
|
points.forEach((point) => {
|
||
|
|
const value = point[key]
|
||
|
|
if (value < minimum) minimum = value
|
||
|
|
if (value > maximum) maximum = value
|
||
|
|
})
|
||
|
|
return paddedDomain(Number.isFinite(minimum) ? [minimum, maximum] : [])
|
||
|
|
}
|
||
|
|
|
||
|
|
export function prepareWaveformSeries(data: WaveformData): PreparedWaveformSeries[] {
|
||
|
|
return normalizeWaveformSeries(data).map((series) => ({
|
||
|
|
...series,
|
||
|
|
xDomain: pointDomain(series.points, 'x'),
|
||
|
|
yDomain: pointDomain(series.points, 'y'),
|
||
|
|
}))
|
||
|
|
}
|
||
|
|
|
||
|
|
export function usePreparedWaveformSeries(
|
||
|
|
data: () => WaveformData,
|
||
|
|
onDataChange: () => void,
|
||
|
|
) {
|
||
|
|
const preparedSeries = shallowRef<PreparedWaveformSeries[]>(prepareWaveformSeries(data()))
|
||
|
|
watch(data, (nextData) => {
|
||
|
|
preparedSeries.value = prepareWaveformSeries(nextData)
|
||
|
|
onDataChange()
|
||
|
|
})
|
||
|
|
return preparedSeries
|
||
|
|
}
|