import {IsoChronology} from '@js-joda/root/packages/core/src/chrono/IsoChronology.js'IsoChronology
Extends:
Static Method Summary
| Static Public Methods | ||
| public static |
isLeapYear(prolepticYear: number): boolean Checks if the year is a leap year, according to the ISO proleptic calendar system rules. |
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Method Summary
| Public Methods | ||
| public |
date(temporal: *): * Obtains an ISO local date from another date-time object. |
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| public |
resolveDate(fieldValues: *, resolverStyle: *): * |
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Inherited Summary
| From class Enum | ||
| public |
equals(other: *): * |
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| public |
toJSON(): string toJSON() use by JSON.stringify delegates to toString() |
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| public |
toString(): * |
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Static Public Methods
public static isLeapYear(prolepticYear: number): boolean source
Checks if the year is a leap year, according to the ISO proleptic calendar system rules.
This method applies the current rules for leap years across the whole time-line. In general, a year is a leap year if it is divisible by four without remainder. However, years divisible by 100, are not leap years, with the exception of years divisible by 400 which are.
For example, 1904 is a leap year it is divisible by 4. 1900 was not a leap year as it is divisible by 100, however 2000 was a leap year as it is divisible by 400.
The calculation is proleptic - applying the same rules into the far future and far past. This is historically inaccurate, but is correct for the ISO-8601 standard.
Params:
| Name | Type | Attribute | Description |
| prolepticYear | number | the ISO proleptic year to check |
Return:
| boolean | true if the year is leap, false otherwise |
Public Methods
public date(temporal: *): * source
Obtains an ISO local date from another date-time object.
This is equivalent to {@link LocalDate#from(TemporalAccessor)}.
Params:
| Name | Type | Attribute | Description |
| temporal | * | the date-time object to convert, not null |
Return:
| * | the ISO local date, not null |
Throw:
* |
DateTimeException if unable to create the date |
public resolveDate(fieldValues: *, resolverStyle: *): * source
Params:
| Name | Type | Attribute | Description |
| fieldValues | * | ||
| resolverStyle | * |
Return:
| * |