tibetan-date-calculator/src/types.ts

A library to calculate tibetan calendar details. It is based on Svante Janson's paper www2.math.uu.se/~svante/papers/calendars/tibet.pdf

import { YEAR_ANIMALS, YEAR_ELEMENTS, YEAR_GENDER} from './constants';

export type Year = {
    tibYear: number,
    westernYear: number,
    rabjungCycle: number,
    rabjungYear: number,
    animal?: typeof YEAR_ANIMALS[number],
    element?: typeof YEAR_ELEMENTS[number],
    gender?: typeof YEAR_GENDER[number]
}

export type Month = {
    year: number,
    month: number,
    isLeapMonth: boolean,
    isDoubledMonth?: boolean,
    startDate?: string, 
    endDate?: string
};

export type Day = {
    year: number,
    month: {
        month: number,
        isLeapMonth: boolean,
        isDoubledMonth: boolean,
    },
    day: number,
    skippedDay: boolean,
    isPreviousSkipped: boolean,
    isLeapDay: boolean,
    isDoubledDay: boolean,
    westernDate: string
}