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How to use the isAfter function from date-fns

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

date-fns.isAfter is a function that checks if a date occurs after another date.

server.js

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if ((req.query.from && dateFns.isAfter(from, latestStatisticsEntry)) || (req.query.to && dateFns.isAfter(to, latestStatisticsEntry))) {
	return res.status(400).json({ code: 400, name: 'Invalid timespan', message: 'Dates may not be in the future.' });
}

if ((req.query.from && req.query.to) && dateFns.isAfter(from, to)) {
	return res.status(400).json({ code: 400, name: 'Invalid timespan', message: 'The start date must be before the end date.' });
}

if ((req.query.equals && isNaN(equals)) || (req.query.over && isNaN(over)) || (req.query.under && isNaN(under))) {

+ 7 other calls in file

.eleventy.js

GitHub: LunchDevCommunity/community-calendar

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});

eleventyConfig.addCollection('upcomingEvents', (collectionApi) => {
        const serverEvents = collectionApi
                .getFilteredByGlob('./src/schedule/*.md')
                .filter((event) => isValidEvent(event) && isAfter(new Date(event.data.date), new Date()));

        const someAnticsStreams = collectionApi.items[0].data.someAntics;

        return [...serverEvents, ...someAnticsStreams].sort(byDate.asc);

How does date-fns.isAfter work?

date-fns.isAfter is a function that takes two dates and returns a boolean indicating whether the first date is after the second date. It compares the dates by their timestamp values.

datetime.js

GitHub: colbyfayock/space-jelly-cron

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 * dateIsFuture
 */

function dateIsFuture(date) {
  const parsed = parseISO(date);
  return isAfter(parsed, new Date().getTime());
}

module.exports.dateIsFuture = dateIsFuture;

index.js

GitHub: bmilcs/odin-javascript-final-project

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// returns true if special's release date is after today's date
const isSpecialNotOutYet = (special) => {
  const specialDate = parseISO(special.release_date);
  const today = new Date();
  return isAfter(specialDate, today) ? true : false;
};


// returns true if a special's date is after one of the latest specials dates
const isSpecialALatestRelease = (special, latestSpecialsObj) => {

+ 188 other calls in file

Ai Example

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import { isAfter } from "date-fns";

const date1 = new Date("2022-04-15");
const date2 = new Date("2022-04-01");

if (isAfter(date1, date2)) {
  console.log("date1 is after date2");
} else {
  console.log("date1 is not after date2");
}

In this example, isAfter function is used to check if date1 is after date2. The function returns true if date1 is after date2, otherwise it returns false.

DateFns.js

GitHub: tancc/purescript-date-fns

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exports.getOverlappingDaysInRangesImpl = dateFns.getOverlappingDaysInRanges
exports.getQuarterImpl = dateFns.getQuarter
exports.getSecondsImpl = dateFns.getSeconds
exports.getTimeImpl = dateFns.getTime
exports.getYearImpl = dateFns.getYear
exports.isAfterImpl = dateFns.isAfter
exports.isBeforeImpl = dateFns.isBefore
exports.isDateImpl = dateFns.isDate
exports.isEqualImpl = dateFns.isEqual
exports.isFirstDayOfMonthImpl = dateFns.isFirstDayOfMonth

+ 16 other calls in file

.eleventy.js

GitHub: gdunzwolff/neat-starter

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});

eleventyConfig.addCollection('upcomingEvents', collection => {
  return collection
    .getFilteredByGlob('./src/veranstaltungen/*.md')
    .filter((veranstaltung) => isToday(new Date(veranstaltung.data.date)) || isAfter(new Date(veranstaltung.data.date), new Date()));
});

eleventyConfig.addCollection('pastEvents', collection => {
  return collection

daily-report.js

GitHub: ovik94/server-hash-arm

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if (req.query.from) {
  result = result.filter(item => {
    if (item.date === req.query.from) {
      return true;
    }
    return isAfter(transformedDate(item.date), transformedDate(req.query.from));
  });
}

if (req.query.to) {

+ 24 other calls in file

vue3-datepicker.cjs.js

GitHub: saraIsmailSE/osboha-certificates-modules

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const leftDisabled = vue.computed(() => props.lowerLimit &&
    (dateFns.getDecade(props.lowerLimit) === dateFns.getDecade(props.pageDate) ||
        dateFns.isBefore(props.pageDate, props.lowerLimit)));
const rightDisabled = vue.computed(() => props.upperLimit &&
    (dateFns.getDecade(props.upperLimit) === dateFns.getDecade(props.pageDate) ||
        dateFns.isAfter(props.pageDate, props.upperLimit)));
const previousPage = () => emit('update:pageDate', dateFns.subYears(props.pageDate, 10));
const nextPage = () => emit('update:pageDate', dateFns.addYears(props.pageDate, 10));
return {
    years,

+ 49 other calls in file

index.js

GitHub: luisoliveira-jr/JavaScript-exercicios-backend-uso-de-datas-no-javascript

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console.log("isSameDay:", mesmoDia);


//Método isAfter
//Nesse exemplo verifica se uma data é depois da outra
//10/7/1989 é depois de 11/1/1987
const depois = isAfter(
    new Date(1989, 6, 10),
    new Date(1987, 1, 11));
console.log("isAfter:", depois);

a.js

GitHub: flaviopcsilva/meus-exercicios2

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console.log(metIsSameDay);


//metodos isAfter-compara se a data é depois  isBefore-compara se a data foi antes
const data1 = new Date(2023, 0, 5, 12, 45);
const data2 = new Date(2023, 0, 8, 12, 35);
const metIsAfter = isAfter(data2, data1);
console.log(metIsAfter);


const metIsBefore = isBefore(data2, data1);
console.log(metIsBefore);

+ 4 other calls in file

billing_inspector.js

GitHub: dsonjay/onemore

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//should return inspection report;
for (var i = 0; i < tenant.payments.length; i++) {
  var payment = tenant.payments[i];

  if (payment.status === "due") {
    var is_late = datefns.isAfter(as_date(_today), as_date(payment.due_date));

    if (is_late && !payment.description.includes("Late Fee")) {
      // mark payment as late if its not a Late Fee on rent.
      await promise_query("update Payment set status = ? where ID = ?", ["late", payment.ID]);

Other functions in date-fns

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