Julia Friesel
21 lines
580 B
JavaScript
21 lines
580 B
JavaScript
export default function(cycle) {
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const fiveDayRuleDays = cycle.slice(0, 5)
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const preOvulatoryDays = getDaysUntilFertileMucus(fiveDayRuleDays)
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return {
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cycleDays: preOvulatoryDays,
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start: {
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date: preOvulatoryDays[0].date
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},
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end: {
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date: preOvulatoryDays[preOvulatoryDays.length - 1].date,
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}
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}
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}
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function getDaysUntilFertileMucus(days) {
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const firstFertileMucusDayIndex = days.findIndex(day => day.mucus && day.mucus.value > 1)
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if (firstFertileMucusDayIndex > -1) {
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return days.slice(0, firstFertileMucusDayIndex)
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}
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return days
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} |