How to use the endOfISOWeek function from date-fns

Find comprehensive JavaScript date-fns.endOfISOWeek code examples handpicked from public code repositorys.

date-fns.endOfISOWeek is a function in the date-fns library that returns the last moment of a given ISO week.

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exports.distanceInWordsStrictImpl = dateFns.distanceInWordsStrict
exports.distanceInWordsToNowImpl = dateFns.distanceInWordsToNow
exports.eachDayImpl = dateFns.eachDay
exports.endOfDayImpl = dateFns.endOfDay
exports.endOfHourImpl = dateFns.endOfHour
exports.endOfISOWeekImpl = dateFns.endOfISOWeek
exports.endOfISOYearImpl = dateFns.endOfISOYear
exports.endOfMinuteImpl = dateFns.endOfMinute
exports.endOfMonthImpl = dateFns.endOfMonth
exports.endOfQuarterImpl = dateFns.endOfQuarter
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+ 16 other calls in file

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const sendUnpaidsNotificationEmails = () => {
  console.log(`\nSending unpaids reminders at: ${new Date().toString()}\n`);


  const startOfWeek = startOfISOWeek(new Date());
  const endOfWeek = endOfISOWeek(new Date());
  const startDate = add(startOfWeek, { weeks: -2 });
  const endDate = add(endOfWeek, { weeks: 1 });


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How does date-fns.endOfISOWeek work?

date-fns.endOfISOWeek is a function in the date-fns library that returns the last moment of a given ISO week. When you call date-fns.endOfISOWeek(), you pass in a date object or a timestamp (in milliseconds) representing a date within the ISO week that you want to find the end of. The function then performs the following steps to determine the end of the ISO week: Determine the week number: date-fns.endOfISOWeek() uses the getISOWeek() function to determine the ISO week number of the provided date. Determine the year: Since ISO weeks can span two calendar years, date-fns.endOfISOWeek() uses the getISOYear() function to determine the calendar year that the ISO week falls in. Calculate the last moment of the week: Using the week number and year, date-fns.endOfISOWeek() calculates the last moment of the ISO week. Return the result: Finally, date-fns.endOfISOWeek() returns the last moment of the ISO week as a Date object. This function is useful for tasks that involve working with ISO weeks in JavaScript, such as calculating payroll or scheduling events based on the ISO calendar. Overall, date-fns.endOfISOWeek provides a simple way to determine the end of an ISO week in JavaScript using the date-fns library.

Ai Example

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const { endOfISOWeek } = require("date-fns");

// Get the last moment of the current ISO week
const lastMomentOfCurrentWeek = endOfISOWeek(new Date());

// Log the result to the console
console.log(lastMomentOfCurrentWeek);

In this example, we use require to import the endOfISOWeek function from the date-fns library. We then call endOfISOWeek() and pass in a new Date() object, which represents the current date and time. The function returns the last moment of the current ISO week as a Date object, which we store in a variable called lastMomentOfCurrentWeek. Finally, we log the result to the console using console.log(). Overall, date-fns.endOfISOWeek provides a simple way to determine the end of an ISO week in JavaScript using the date-fns library.

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