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How to use the parse function from date-fns

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

date-fns.parse is a JavaScript library function that converts a date string or timestamp into a JavaScript Date object.

crew.js

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        }
    })
}

//parse date and time for computation
const timeInParse = parse(checkIfTimeInExist.timeIn, timeFormat, new Date());
const timeOutParse = parse(timeOut, timeFormat, new Date());
const startShiftParse = parse(findCrew.startShift, timeFormat, new Date());
const endShiftParse = parse(findCrew.endShift, timeFormat, new Date());

+ 275 other calls in file

project.js

GitHub: Xscold1/Concheck

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}

const {email , password , startShift, endShift, dailyRate, firstName, lastName} = req.body

const endShiftParse = parse(endShift, timeFormat, new Date());
const startShiftParse = parse(startShift,timeFormat, new Date());

let hourlyRate =  dailyRate /  (((endShiftParse.getTime() - startShiftParse.getTime())/3600000) - 1);

const checkEmailIfExists = await User.findOne({email:email})

+ 87 other calls in file

How does date-fns.parse work?

date-fns.parse works by taking a date string or timestamp as its input and returning a JavaScript Date object representing that date and time. The function first checks the format of the input string to determine which parsing strategy to use. If the format is recognized, date-fns.parse uses a set of parsing rules to extract the date and time information from the input string and creates a new Date object with the corresponding values. If the format is not recognized or the input is a timestamp, date-fns.parse assumes that the input represents a Unix timestamp, which is the number of milliseconds since January 1, 1970, and creates a new Date object with the corresponding timestamp. Once the Date object is created, date-fns.parse returns it as the result of the function. Note that date-fns.parse is part of the date-fns library, which provides a set of utility functions for working with dates and times in JavaScript, and supports various date formats and locales.

index.js

GitHub: bmilcs/odin-javascript-final-project

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};


// date functions


const getTodayObj = () => new Date();
const getDateObj = (dateString) => parse(dateString, 'yyyy-MM-dd', new Date());
const formatDate = (dateObj) => format(dateObj, 'yyyy-MM-dd');


const isAFutureDate = (dateString) => {
  const date = getDateObj(dateString);

+ 35 other calls in file

index.js

GitHub: bmilcs/odin-javascript-final-project

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  const specialDate = special.release_date;
  return isToday(specialDate);
};


const getToday = () => new Date();
const parseDate = (dateString) => parse(dateString, 'yyyy-MM-dd', new Date());


const isAFutureDate = (dateString) => {
  const date = parseDate(dateString);
  return isBefore(getToday(), date);

+ 11 other calls in file

Ai Example

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

const dateString = "2022-03-31T10:30:00.000Z";
const timestamp = 1648757400000;

const dateFromString = parse(dateString);
const dateFromTimestamp = parse(timestamp);

console.log(dateFromString);
console.log(dateFromTimestamp);

In this example, we first import the parse function from the date-fns library and define a date string and a Unix timestamp. We then use parse to create two new Date objects, one from the date string and one from the timestamp. The resulting dateFromString and dateFromTimestamp objects are JavaScript Date objects representing the same date and time, and can be used for various date and time operations. Note that date-fns.parse can also be used with various date formats and time zones, and can return different parts of the Date object, such as the year, month, day, hour, minute, second, and millisecond.

app.js

GitHub: mahendra-120994/todoRestAPI2

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app.post("/todos/", async (req, res) => {
  const { id, todo, priority, status, category, dueDate } = req.body;


  addNewTodo = async () => {
    try {
      const parseDate = await parse(dueDate, "yyyy-MM-dd", new Date());
      const resultDate = await format(parseDate, "yyyy-MM-dd");


      let addTodoQuery = `
            INSERT INTO

+ 5 other calls in file

date-utils.js

GitHub: johndpope/el-projector

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const options = { locale: fr }
const formatDate = formatWithOptions(options)

const numberOfDaysInLate = date => differenceInCalendarDays(date)(new Date())
const parseDate = date => parse(date, 'dd/MM/yyyy', new Date())
const formatDateWithLittleEndianLongFormat = ifElse(isNil, () => '', formatDate('dd/MM/yyyy'))
const formatDateWithInternationalLongDateTimeFormat = formatDate('yyyy-MM-dd:HH:mm:ss')
const earliestDate = (firstDate, secondDate) => (isAfter(firstDate)(secondDate) ? firstDate : secondDate)
const latestDate = (firstDate, secondDate) => (isBefore(firstDate)(secondDate) ? firstDate : secondDate)

DateFns.js

GitHub: tancc/purescript-date-fns

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  return dateFns.max.apply(null, dates)
}
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

+ 16 other calls in file

index.js.html

GitHub: dunklesToast/WebUntis

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    if (!data[0]) throw new Error('Failed to receive school year');
    return {
        name: data[0].name,
        id: data[0].id,
        startDate: parse(data[0].startDate, 'yyyyMMdd', new Date()),
        endDate: parse(data[0].endDate, 'yyyyMMdd', new Date())
    };
}

/**

+ 7 other calls in file

filters.js

GitHub: tyom/data-hub-frontend

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formatDate: (value, format = longDateFormat) => {
  if (!value) {
    return value
  }
  const parsedDate = dateFns.parse(value)

  if (!dateFns.isValid(parsedDate)) { return value }
  return dateFns.format(parsedDate, format)
},

+ 3 other calls in file

totalWorkExp.js

GitHub: neopheus/jsonresume-theme-aurora

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a.js

GitHub: flaviopcsilva/meus-exercicios2

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//PARSE
// const dataNasc = '20/01/1981';

// const resultado = parse(dataNasc, "dd/MM/yyyy", new Date());

// console.log(resultado);

//ADD

vue3-datepicker.cjs.js

GitHub: saraIsmailSE/osboha-certificates-modules

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].includes(code);
if (closeButton) {
    inputRef.value.blur();
}
if (props.typeable) {
    const parsedDate = dateFns.parse(inputRef.value.value, props.inputFormat, new Date(), { locale: props.locale });
    if (dateFns.isValid(parsedDate)) {
        input.value = inputRef.value.value;
        emit('update:modelValue', parsedDate);
    }

+ 19 other calls in file

index.js

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

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const dataRegistroDeposito = format(new Date(), "yyyy-dd-MM kk:mm:ss");
console.log("deposito:", dataRegistroDeposito);


//Método parse
//Converte string em objeto js
const parseDate = parse('02/11/2014', 'MM/dd/yyyy', new Date());
console.log("parse:", parseDate);


//Método add
//Faz operações aritiméticas (somar/subtrair) de um objeto de data. Ele não modifica o objeto original, cria um novo.

grant-reward.js

GitHub: vrbdapp/vrbackend

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  .sort("-createdAt")
  .limit(1);

if (rewards.length > 0) {
  const lastRewardTimeString = rewards[0].time_granted;
  const lastRewardTime = parse(
    lastRewardTimeString,
    "dd MM yyyy HH:mm",
    new Date()
  );

+ 59 other calls in file

fields.js

GitHub: carboni09/strapi4.0.7-custom

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if (dateFns.isDate(value)) return value;
try {
  const date = dateFns.parseISO(value);
  if (dateFns.isValid(date)) return date;

  const milliUnixDate = dateFns.parse(value, 'T', new Date());
  if (dateFns.isValid(milliUnixDate)) return milliUnixDate;

  throw new InvalidDateTimeError(`Invalid format, expected a timestamp or an ISO date`);
} catch (error) {

+ 46 other calls in file

nutritionCalculations.js

GitHub: robbiekthomas/food-tracking-app

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  const day = String(today.getDate()).padStart(2, '0');
  return `${year}-${month}-${day}`;
}


const calculateDifferenceInDays = (dateStr1, dateStr2) => {
  const date1 = parse(dateStr1, 'yyyy-MM-dd', new Date());
  const date2 = parse(dateStr2, 'yyyy-MM-dd', new Date());


  const numDays = differenceInDays(date2, date1);

+ 129 other calls in file

app.js

GitHub: akisetti9/todos_backend

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//Invalid Due Date
const checkDueDate = async (request, response, next) => {
  const { date } = request.query;
  try {
    const parsedDate = parse(date, "yyyy-MM-dd", new Date());
    const result = format(parsedDate, "yyyy-MM-dd");
    queryBox.dueDate = result;
    next();
  } catch (error) {

+ 29 other calls in file

from-string.js

GitHub: data-flo/engine

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module.exports = function (stringValue, formatString, localeString) {
  const cleanFormatString = standardiseFormatString(formatString);
  let dateValue;


  if (cleanFormatString) {
    dateValue = parse(
      stringValue,
      cleanFormatString,
      new Date(),
      localeString ? { locale: locale[localeString.replace("-", "")] } : undefined,

+ 6 other calls in file

Other functions in date-fns

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date-fns.format is the most popular function in date-fns (3838 examples)

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