How to use the setDay function from date-fns

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

date-fns.setDay is a function that sets the day of the week for a given date object in JavaScript.

reminder.js

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for (const dayOfWeek of DAYS_OF_WEEK) {
  const dayOfWeekIndex = DAYS_OF_WEEK.indexOf(dayOfWeek);
  let date = nowUtc();
  date = setHours(date, timeHours);
  date = setMinutes(date, timeMinutes);
  date = setDay(date, dayOfWeekIndex);
  const utcDate = zonedTimeToUtc(date, timezone);
  const utcDayOfWeekIndex = utcDate.getDay();
  if (utcDayOfWeekIndex === dayOfWeekIndex) {
    utcDaysOfWeek = {

DateFns.js

GitHub: tancc/purescript-date-fns

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exports.minImpl = function(dates) {
  return dateFns.min.apply(null, dates)
}
exports.parseImpl = dateFns.parse
exports.setDateImpl = dateFns.setDate
exports.setDayImpl = dateFns.setDay
exports.setDayOfYearImpl = dateFns.setDayOfYear
exports.setHoursImpl = dateFns.setHours
exports.setISODayImpl = dateFns.setISODay
exports.setISOWeekImpl = dateFns.setISOWeek

+ 16 other calls in file

How does date-fns.setDay work?

date-fns.setDay is a function that sets the day of the week for a given date object in JavaScript. In JavaScript, dates are represented as Date objects. These objects have methods for getting and setting various properties of the date, such as the year, month, day, and time. The setDay function provided by the date-fns library allows developers to set the day of the week for a given Date object. Here's how it works: javascript Copy code {{{{{{{ import { setDay } from 'date-fns'; const date = new Date(2022, 0, 1); // January 1, 2022 const newDate = setDay(date, 3); // Wednesday In this example, we import the setDay function from the date-fns library using the ES6 import statement. We then create a new Date object representing January 1, 2022, using the new Date() constructor. We pass this Date object and a numeric value representing the desired day of the week (3, which corresponds to Wednesday) to the setDay function. The function returns a new Date object with the day of the week set to the specified value (Wednesday, in this case). If the specified day of the week is outside the valid range of 0 (Sunday) to 6 (Saturday), the setDay function will adjust the date accordingly. For example, if we try to set the day of the week to 7, which is outside the valid range, the function will set the day of the week to 0 (Sunday) and increment the week number by 1. javascript Copy code {{{{{{{ class="!whitespace-pre hljs language-javascript">const date = new Date(2022, 0, 1); // January 1, 2022 const newDate = setDay(date, 7); // January 9, 2022 (Sunday) In this example, the setDay function sets the day of the week to 0 (Sunday) and increments the week number by 1, resulting in January 9, 2022.

ex5.js

GitHub: BkvrPedro/Backend

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const taAberto = (data) => {


    let abre = setHours(data, 8)
    abre = setMinutes(abre, 0)
    abre = setDay(abre, 1);




    let fecha = setHours(data, 18)
    fecha = setMinutes(fecha, 0)

a.js

GitHub: flaviopcsilva/meus-exercicios2

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const metSet = set(new Date(2023, 0, 2), {
    date: 10
});
console.log(metSet);


const metSetDay = setDay(new Date(2023, 0, 8), 20);
console.log(metSetDay);


const metSetData = setDate(new Date(2023, 0, 8), 20);
console.log(metSetData);

+ 4 other calls in file

Ai Example

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import { setDay } from "date-fns";

const date = new Date(2022, 0, 1); // January 1, 2022
const newDate = setDay(date, 3); // Wednesday

In this example, we import the setDay function from the date-fns library using the ES6 import statement. We then create a new Date object representing January 1, 2022, using the new Date() constructor. We pass this Date object and a numeric value representing the desired day of the week (3, which corresponds to Wednesday) to the setDay function. The function returns a new Date object with the day of the week set to the specified value (Wednesday, in this case).

vue3-datepicker.cjs.js

GitHub: saraIsmailSE/osboha-certificates-modules

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const weekDays = vue.computed(() => {
    const initial = props.weekStartsOn;
    const dayFormat = format.value(props.weekdayFormat);
    return Array.from(Array(7))
        .map((_, i) => (initial + i) % 7)
        .map((v) => dateFns.setDay(new Date(), v, {
        weekStartsOn: props.weekStartsOn,
    }))
        .map(dayFormat);
});

+ 9 other calls in file

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