Created
April 29, 2020 13:44
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休業日を判定する Google Apps Script
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/** | |
* 指定された日付が休業日であるか判定する. | |
* | |
* @param {Date} date | |
* 判定対象の日付. | |
* | |
* @return {Object} | |
* 休業日の場合は Truthy な値. | |
* 休業日ではない場合は Falsy な値. | |
*/ | |
function isHoliday(date) { | |
// 日本の祝日. | |
let calendarId = "ja.japanese#[email protected]" | |
let calendar = CalendarApp.getCalendarById(calendarId) | |
let events = calendar.getEventsForDay(date) | |
if (events.length !== 0) { | |
return events[0].getTitle() | |
} | |
// 年末年始 (12/28 - 1/3) は会社休業日. | |
let monthAndDate = (date.getMonth() + 1) * 100 + date.getDate() | |
if (1228 <= monthAndDate || monthAndDate <= 103) { | |
return "会社休業日" | |
} | |
// 土曜日, 日曜日は休業日. | |
if (date.getDay() === 0) { | |
return "日曜日" | |
} | |
if (date.getDay() === 6) { | |
return "土曜日" | |
} | |
// それ以外は営業日. | |
return false | |
} |
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