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Diffstat (limited to 'app/assets/javascripts/lib/utils/datetime_utility.js')
-rw-r--r-- | app/assets/javascripts/lib/utils/datetime_utility.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/app/assets/javascripts/lib/utils/datetime_utility.js b/app/assets/javascripts/lib/utils/datetime_utility.js index b193a8b2c9a..261f76a0f2d 100644 --- a/app/assets/javascripts/lib/utils/datetime_utility.js +++ b/app/assets/javascripts/lib/utils/datetime_utility.js @@ -743,3 +743,22 @@ export const differenceInMilliseconds = (startDate, endDate = Date.now()) => { const endDateInMS = endDate instanceof Date ? endDate.getTime() : endDate; return endDateInMS - startDateInMS; }; + +/** + * A utility which returns a new date at the first day of the month for any given date. + * + * @param {Date} date + * + * @return {Date} the date at the first day of the month + */ +export const dateAtFirstDayOfMonth = date => new Date(newDate(date).setDate(1)); + +/** + * A utility function which checks if two dates match. + * + * @param {Date|Int} date1 Can be either a date object or a unix timestamp. + * @param {Date|Int} date2 Can be either a date object or a unix timestamp. + * + * @return {Boolean} true if the dates match + */ +export const datesMatch = (date1, date2) => differenceInMilliseconds(date1, date2) === 0; |