devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/date_box/ui.date_utils.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import $ from "../../core/renderer";
import dateSerialization from "../../core/utils/date_serialization";
import {
isDate
} from "../../core/utils/type";
import {
each
} from "../../core/utils/iterator";
import dateLocalization from "../../localization/date";
var DATE_COMPONENTS = ["year", "day", "month", "day"];
var TIME_COMPONENTS = ["hours", "minutes", "seconds", "milliseconds"];
var ONE_MINUTE = 6e4;
var ONE_DAY = 60 * ONE_MINUTE * 24;
var ONE_YEAR = 365 * ONE_DAY;
var getStringFormat = function(format) {
var formatType = typeof format;
if ("string" === formatType) {
return "format"
}
if ("object" === formatType && void 0 !== format.type) {
return format.type
}
return null
};
var dateUtils = {
SUPPORTED_FORMATS: ["date", "time", "datetime"],
ONE_MINUTE: ONE_MINUTE,
ONE_DAY: ONE_DAY,
ONE_YEAR: ONE_YEAR,
MIN_DATEVIEW_DEFAULT_DATE: new Date(1900, 0, 1),
MAX_DATEVIEW_DEFAULT_DATE: function() {
var newDate = new Date;
return new Date(newDate.getFullYear() + 50, newDate.getMonth(), newDate.getDate(), 23, 59, 59)
}(),
FORMATS_INFO: {
date: {
getStandardPattern: function() {
return "yyyy-MM-dd"
},
components: DATE_COMPONENTS
},
time: {
getStandardPattern: function() {
return "HH:mm"
},
components: TIME_COMPONENTS
},
datetime: {
getStandardPattern: function() {
var standardPattern;
! function() {
var $input = $("<input>").attr("type", "datetime");
$input.val("2000-01-01T01:01Z");
if ($input.val()) {
standardPattern = "yyyy-MM-ddTHH:mmZ"
}
}();
if (!standardPattern) {
standardPattern = "yyyy-MM-ddTHH:mm:ssZ"
}
dateUtils.FORMATS_INFO.datetime.getStandardPattern = function() {
return standardPattern
};
return standardPattern
},
components: [...DATE_COMPONENTS, ...TIME_COMPONENTS]
},
"datetime-local": {
getStandardPattern: function() {
return "yyyy-MM-ddTHH:mm:ss"
},
components: [...DATE_COMPONENTS, "hours", "minutes", "seconds"]
}
},
FORMATS_MAP: {
date: "shortdate",
time: "shorttime",
datetime: "shortdateshorttime"
},
SUBMIT_FORMATS_MAP: {
date: "date",
time: "time",
datetime: "datetime-local"
},
toStandardDateFormat: function(date, type) {
var pattern = dateUtils.FORMATS_INFO[type].getStandardPattern();
return dateSerialization.serializeDate(date, pattern)
},
fromStandardDateFormat: function(text) {
var date = dateSerialization.dateParser(text);
return isDate(date) ? date : void 0
},
getMaxMonthDay: function(year, month) {
return new Date(year, month + 1, 0).getDate()
},
mergeDates: function(oldValue, newValue, format) {
if (!newValue) {
return newValue || null
}
if (!oldValue || isNaN(oldValue.getTime())) {
var now = new Date(null);
oldValue = new Date(now.getFullYear(), now.getMonth(), now.getDate())
}
var result = new Date(oldValue.valueOf());
var formatInfo = dateUtils.FORMATS_INFO[format];
each(formatInfo.components, (function() {
var componentInfo = dateUtils.DATE_COMPONENTS_INFO[this];
result[componentInfo.setter](newValue[componentInfo.getter]())
}));
return result
},
getLongestCaptionIndex: function(captionArray) {
var longestIndex = 0;
var longestCaptionLength = 0;
var i;
for (i = 0; i < captionArray.length; ++i) {
if (captionArray[i].length > longestCaptionLength) {
longestIndex = i;
longestCaptionLength = captionArray[i].length
}
}
return longestIndex
},
formatUsesMonthName: function(format) {
return dateLocalization.formatUsesMonthName(format)
},
formatUsesDayName: function(format) {
return dateLocalization.formatUsesDayName(format)
},
getLongestDate: function(format, monthNames, dayNames) {
var stringFormat = getStringFormat(format);
var month = 9;
if (!stringFormat || dateUtils.formatUsesMonthName(stringFormat)) {
month = dateUtils.getLongestCaptionIndex(monthNames)
}
var longestDate = new Date(1888, month, 21, 23, 59, 59, 999);
if (!stringFormat || dateUtils.formatUsesDayName(stringFormat)) {
var date = longestDate.getDate() - longestDate.getDay() + dateUtils.getLongestCaptionIndex(dayNames);
longestDate.setDate(date)
}
return longestDate
},
normalizeTime: function(date) {
date.setSeconds(0);
date.setMilliseconds(0)
}
};
dateUtils.DATE_COMPONENTS_INFO = {
year: {
getter: "getFullYear",
setter: "setFullYear",
formatter: function(value, date) {
var formatDate = new Date(date.getTime());
formatDate.setFullYear(value);
return dateLocalization.format(formatDate, "yyyy")
},
startValue: void 0,
endValue: void 0
},
day: {
getter: "getDate",
setter: "setDate",
formatter: function(value, date) {
var formatDate = new Date(date.getTime());
formatDate.setDate(value);
return dateLocalization.format(formatDate, "d")
},
startValue: 1,
endValue: void 0
},
month: {
getter: "getMonth",
setter: "setMonth",
formatter: function(value) {
return dateLocalization.getMonthNames()[value]
},
startValue: 0,
endValue: 11
},
hours: {
getter: "getHours",
setter: "setHours",
formatter: function(value) {
return dateLocalization.format(new Date(0, 0, 0, value), "hour")
},
startValue: 0,
endValue: 23
},
minutes: {
getter: "getMinutes",
setter: "setMinutes",
formatter: function(value) {
return dateLocalization.format(new Date(0, 0, 0, 0, value), "minute")
},
startValue: 0,
endValue: 59
},
seconds: {
getter: "getSeconds",
setter: "setSeconds",
formatter: function(value) {
return dateLocalization.format(new Date(0, 0, 0, 0, 0, value), "second")
},
startValue: 0,
endValue: 59
},
milliseconds: {
getter: "getMilliseconds",
setter: "setMilliseconds",
formatter: function(value) {
return dateLocalization.format(new Date(0, 0, 0, 0, 0, 0, value), "millisecond")
},
startValue: 0,
endValue: 999
}
};
export default dateUtils;