@ng-bootstrap/ng-bootstrap
Version:
Angular powered Bootstrap
81 lines • 8.8 kB
JavaScript
import { isInteger } from '../util/util';
/**
* A simple class that represents a date that datepicker also uses internally.
*
* It is the implementation of the `NgbDateStruct` interface that adds some convenience methods,
* like `.equals()`, `.before()`, etc.
*
* All datepicker APIs consume `NgbDateStruct`, but return `NgbDate`.
*
* In many cases it is simpler to manipulate these objects together with
* [`NgbCalendar`](#/components/datepicker/api#NgbCalendar) than native JS Dates.
*
* See the [date format overview](#/components/datepicker/overview#date-model) for more details.
*
* @since 3.0.0
*/
export class NgbDate {
constructor(year, month, day) {
this.year = isInteger(year) ? year : null;
this.month = isInteger(month) ? month : null;
this.day = isInteger(day) ? day : null;
}
/**
* A **static method** that creates a new date object from the `NgbDateStruct`,
*
* ex. `NgbDate.from({year: 2000, month: 5, day: 1})`.
*
* If the `date` is already of `NgbDate` type, the method will return the same object.
*/
static from(date) {
if (date instanceof NgbDate) {
return date;
}
return date ? new NgbDate(date.year, date.month, date.day) : null;
}
/**
* Checks if the current date is equal to another date.
*/
equals(other) {
return other != null && this.year === other.year && this.month === other.month && this.day === other.day;
}
/**
* Checks if the current date is before another date.
*/
before(other) {
if (!other) {
return false;
}
if (this.year === other.year) {
if (this.month === other.month) {
return this.day === other.day ? false : this.day < other.day;
}
else {
return this.month < other.month;
}
}
else {
return this.year < other.year;
}
}
/**
* Checks if the current date is after another date.
*/
after(other) {
if (!other) {
return false;
}
if (this.year === other.year) {
if (this.month === other.month) {
return this.day === other.day ? false : this.day > other.day;
}
else {
return this.month > other.month;
}
}
else {
return this.year > other.year;
}
}
}
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