Julia Friesel
23 lines
896 B
JavaScript
23 lines
896 B
JavaScript
import * as joda from 'js-joda'
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import getLastMensesStart from './get-last-menses-start'
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export default function config(opts = {}) {
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let bleedingDaysSortedByDate
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if (!opts.bleedingDaysSortedByDate) {
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// we only want to require (and run) the db module when not running the tests
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bleedingDaysSortedByDate = require('../db').bleedingDaysSortedByDate
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} else {
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bleedingDaysSortedByDate = opts.bleedingDaysSortedByDate
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}
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const maxBreakInBleeding = opts.maxBreakInBleeding || 1
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return function(targetDateString) {
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const lastMensesStart = getLastMensesStart(targetDateString, bleedingDaysSortedByDate, maxBreakInBleeding)
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if (!lastMensesStart) return null
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const targetDate = joda.LocalDate.parse(targetDateString)
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const diffInDays = lastMensesStart.wrappedDate.until(targetDate, joda.ChronoUnit.DAYS)
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// cycle starts at day 1
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return diffInDays + 1
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}
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} |