devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/__internal/scheduler/r1/utils/month.js)
* Version: 23.2.6
* Build date: Wed May 01 2024
*
* Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import dateUtils from "../../../../core/utils/date";
import dateLocalization from "../../../../localization/date";
import {
getCalculatedFirstDayOfWeek,
isDateInRange,
isFirstCellInMonthWithIntervalCount,
setOptionHour
} from "./base";
export var calculateCellIndex = (rowIndex, columnIndex, _, columnCount) => rowIndex * columnCount + columnIndex;
export var getViewStartByOptions = (startDate, currentDate, intervalCount, startViewDate) => {
if (!startDate) {
return new Date(currentDate)
}
var currentStartDate = new Date(startViewDate);
var validStartViewDate = new Date(startViewDate);
var diff = currentStartDate.getTime() <= currentDate.getTime() ? 1 : -1;
var endDate = new Date(new Date(validStartViewDate.setMonth(validStartViewDate.getMonth() + diff * intervalCount)));
while (!isDateInRange(currentDate, currentStartDate, endDate, diff)) {
currentStartDate = new Date(endDate);
if (diff > 0) {
currentStartDate.setDate(1)
}
endDate = new Date(new Date(endDate.setMonth(endDate.getMonth() + diff * intervalCount)))
}
return diff > 0 ? currentStartDate : endDate
};
export var getCellText = (date, intervalCount) => {
if (isFirstCellInMonthWithIntervalCount(date, intervalCount)) {
var monthName = dateLocalization.getMonthNames("abbreviated")[date.getMonth()];
return [monthName, dateLocalization.format(date, "day")].join(" ")
}
return dateLocalization.format(date, "dd")
};
export var calculateStartViewDate = (currentDate, startDayHour, startDate, intervalCount, firstDayOfWeekOption) => {
var viewStart = getViewStartByOptions(startDate, currentDate, intervalCount, dateUtils.getFirstMonthDate(startDate));
var firstMonthDate = dateUtils.getFirstMonthDate(viewStart);
var firstDayOfWeek = getCalculatedFirstDayOfWeek(firstDayOfWeekOption);
var firstViewDate = dateUtils.getFirstWeekDate(firstMonthDate, firstDayOfWeek);
return setOptionHour(firstViewDate, startDayHour)
};