Julia Friesel
20 lines
583 B
JavaScript
20 lines
583 B
JavaScript
export default function (cycleDays) {
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const mucusDays = cycleDays.filter(day => day.mucus && !day.mucus.exclude)
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const bestQuality = Math.max(...mucusDays.map(day => day.mucus.value))
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const mucusPeak = mucusDays.find((day, i) => {
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if (day.mucus.value !== bestQuality) return false
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const threeFollowingDays = cycleDays.slice(i + 1, i + 4)
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if (threeFollowingDays.length < 3) return false
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return threeFollowingDays.every(day => day.mucus.value < bestQuality)
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})
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if (!mucusPeak) return { detected: false }
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return {
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detected: true,
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mucusPeak
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}
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}
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