56 lines
2.3 KiB
TypeScript
56 lines
2.3 KiB
TypeScript
export type SessionSwitchSample = {
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observedAtMs: number
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destination: string[]
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source: string[]
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hasVisibleRows: boolean
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last: boolean
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bottomErrorPx?: number
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review?: {
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fileHost: boolean
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fileHostReplaced: boolean
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header: string
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replacedLevels: string[]
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}
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}
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export function classifySessionSwitch(samples: SessionSwitchSample[]) {
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const firstDestination = samples.findIndex((sample) => sample.destination.length > 0)
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const firstCorrect = samples.findIndex(isCorrectDestination)
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const stable = samples.findIndex((_, index) => isStableSessionSwitch(samples.slice(index, index + 3)))
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return {
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firstDestinationObservedMs: samples[firstDestination]?.observedAtMs ?? null,
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firstCorrectObservedMs: samples[firstCorrect]?.observedAtMs ?? null,
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stableObservedMs: samples[stable + 2]?.observedAtMs ?? null,
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wrongDestinationSamples: samples
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.slice(firstDestination)
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.filter((sample) => sample.destination.length > 0 && !sample.last).length,
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blankSamples: samples.filter((sample) => !sample.hasVisibleRows).length,
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unknownSamples: samples.filter(
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(sample) => sample.hasVisibleRows && sample.destination.length === 0 && sample.source.length === 0,
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).length,
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sourceSamples: samples.filter((sample) => sample.source.length > 0).length,
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reviewFileHostMissingSamples: samples.filter((sample) => sample.review && !sample.review.fileHost).length,
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reviewFileHostReplacedSamples: samples.filter((sample) => sample.review?.fileHostReplaced).length,
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reviewHeaders: [...new Set(samples.flatMap((sample) => (sample.review ? [sample.review.header] : [])))],
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reviewReplacedLevels: [...new Set(samples.flatMap((sample) => sample.review?.replacedLevels ?? []))],
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}
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}
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export function isCorrectDestination(sample: SessionSwitchSample) {
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return (
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sample.destination.length > 0 &&
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sample.source.length === 0 &&
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sample.last &&
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Math.abs(sample.bottomErrorPx ?? Infinity) <= 1
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)
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}
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export function isStableSessionSwitch(samples: SessionSwitchSample[]) {
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return samples.length === 3 && samples.every(isCorrectDestination)
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}
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export function isStableDestination(samples: Pick<SessionSwitchSample, "last" | "bottomErrorPx">[]) {
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return (
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samples.length === 3 && samples.every((sample) => sample.last && Math.abs(sample.bottomErrorPx ?? Infinity) <= 1)
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)
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}
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