How to use the differenceInCalendarDays function from date-fns

Calendar.js

GitHub: mzdr/timestamp

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getCalendar(event, payload) {
  const { locale } = this;
  const year = this.getDate(null, payload);
  const startOfYear = datefns.startOfYear(year);
  const endOfYear = datefns.endOfYear(year);
  const totalDays = datefns.differenceInCalendarDays(endOfYear, startOfYear);

  const days = [];

  for (let i = 0; i <= totalDays; i += 1) {

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+ 3 other calls in file

DateFns.js

GitHub: tancc/purescript-date-fns

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exports.areRangesOverlappingImpl = dateFns.areRangesOverlapping
exports.closestIndexToImpl = dateFns.closestIndexTo
exports.closestToImpl = dateFns.closestTo
exports.compareAscImpl = dateFns.compareAsc
exports.compareDescImpl = dateFns.compareDesc
exports.differenceInCalendarDaysImpl = dateFns.differenceInCalendarDays
exports.differenceInCalendarISOWeeksImpl = dateFns.differenceInCalendarISOWeeks
exports.differenceInCalendarISOYearsImpl = dateFns.differenceInCalendarISOYears
exports.differenceInCalendarMonthsImpl = dateFns.differenceInCalendarMonths
exports.differenceInCalendarQuartersImpl = dateFns.differenceInCalendarQuarters

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+ 16 other calls in file

dailyUserChallenge.js

GitHub: fsa-2110-capstone-team1/grapple

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nonFutureUserChallenges.map(async (uc, idx) => {
  const endDate = new Date(
    Math.min(new Date(uc.challenge.endDateTime), new Date())
  );

  const challengeLength = differenceInCalendarDays(
    endDate,
    new Date(uc.challenge.startDateTime)
  );

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orders.js

GitHub: medberroug/proofBackend

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for (const order of orders) {
  const status1Timestamp = order.status.find((s) => s.name === status1)?.date;
  const status2Timestamp = order.status.find((s) => s.name === status2)?.date;

  if (status1Timestamp && status2Timestamp) {
    totalTime += differenceInCalendarDays(parseISO(status2Timestamp), parseISO(status1Timestamp));
    count++;
  }
}

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billing_inspector.js

GitHub: dsonjay/onemore

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str = d.toISOString().split("T")[0].split("-")[0] + "-" + d.toISOString().split("T")[0].split("-")[1] + "-" + due_day;

var next_month = validate(str);

var days_from_this_month = datefns.differenceInCalendarDays(as_date(this_month), as_date(_today));
var days_from_next_month = datefns.differenceInCalendarDays(as_date(next_month), as_date(_today));

if (days_from_this_month <= processing_window && days_from_this_month >= 0) {
  return this_month;

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+ 5 other calls in file

prorata_calculator.js

GitHub: dsonjay/onemore

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if (billing_date.getDate() <= move_in_date.getDate()) {
  billing_date.setMonth(billing_date.getMonth() + 1);
}

var billable_days = datefns.differenceInCalendarDays(billing_date, move_in_date) + 1;
var days_in_month = datefns.getDaysInMonth(move_in_date);
var final_rent = (params.monthly_rent / days_in_month) * billable_days;
var rent = parseFloat(final_rent.toFixed(2));

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+ 8 other calls in file