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const oneMinute = 1000 * 60; // MilliseConds in a Minute
const oneHour = oneMinute * 60; // The milliseconds of one hour
const oneDay = oneHour * 24; // The Number of MilliseConds A Day
const oneWeek = oneDay * 7; // The milliseconds per week
const oneMonth = oneDay * 30; // The milliseconds of a month
/**
* Decrease according to the number of days
*
* @param days to reduce the number of days to be reduced
*/
Date.prototype.minusDays = function (days) {
return this.minusMillis(oneDay * days);
};
/**
* Increase according to the number of days
*
* @param days The number of days to be increased
*/
Date.prototype.plusDays = function (days) {
return this.plusMillis(oneDay * days);
};
/**
* A few
*
* @param hours to be reduced
*/
Date.prototype.minusHours = function (hours) {
return this.minusMillis(oneHour * hours);
};
/**
* Increase hourly
*
* @param hours to increase the number of hours
*/
Date.prototype.plusHours = function (hours) {
return this.plusMillis(oneHour * hours);
};
/**
* Make reduction in minutes
*
* @param minutes to reduce the number of minutes
*/
Date.prototype.minusMinutes = function (minutes) {
return this.minusMillis(oneMinute * minutes);
};
/**
* Add in minutes
*
* @param minutes to increase the number of minutes
*/
Date.prototype.plusMinutes = function (minutes) {
return this.plusMillis(oneMinute * minutes);
};
/**
* Decrease in milliseconds
*
* @param millis to reduce the milliseconds
*/
Date.prototype.minusMillis = function(millis) {
let time = this.getTime() - millis;
let newDate = new Date();
newDate.setTime(time);
return newDate;
};
/**
* Add in milliseconds to increase
*
* @param millis to increase the milliseconds to increase
*/
Date.prototype.plusMillis = function(millis) {
let time = this.getTime() + millis;
let newDate = new Date();
newDate.setTime(time);
return newDate;
};
/**
* Setting time is 00: 00: 00.000 on the day
*/
Date.prototype.setMinTime = function () {
this.setHours(0);
this.setMinutes(0);
this.setSeconds(0);
this.setMilliseconds(0);
return this;
};
/**
* Setting time is 23: 59: 59.999 on the same day
*/
Date.prototype.setMaxTime = function () {
this.setHours(23);
this.setMinutes(59);
this.setSeconds(59);
this.setMilliseconds(999);
return this;
};
/**
* Formatting date
*/
Date.prototype.formatDate = function () {
return this.getFullYear() + "-" + NumberFormatter.addZero(this.getMonth() + 1) + "-" + NumberFormatter.addZero(this.getDate());
};
/**
* Format time
*/
Date.prototype.formatTime = function () {
return NumberFormatter.addZero(this.getHours()) + ":" + NumberFormatter.addZero(this.getMinutes()) + ":" + NumberFormatter.addZero(this.getSeconds());
};
/**
* Formatting date plus time
*
* @param split Date and time separation symbols, default is a space
*/
Date.prototype.formatDateTime = function (split = ' ') {
return this.formatDate() + split + this.formatTime();
};
class DateUtil {
// String to date object
static parseDate(str) {
return new Date(str.replace(/-/g, '/'));
}
static formatMillis(millis) {
return moment(millis).format('YYYY-M-D HH:mm:ss');
}
static firstDayOfMonth() {
const date = new Date();
date.setDate(1);
date.setMinTime();
return date;
}
static convertToJalalian(date) {
return date && moment.isMoment(date) ? date.format('jYYYY/jMM/jDD HH:mm:ss') : null;
}
}
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