10 lines
715 B
TypeScript
10 lines
715 B
TypeScript
import { type HebrewDate } from "./constants.js";
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/** Serial index for Hebrew months since the epoch (Tishrei of year 1). */
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export declare function monthsSinceEpoch({ year, monthIndex, }: Pick<HebrewDate, "year" | "monthIndex">): number;
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/** Clamp a day number to the valid number of days in a month. */
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export declare function clampHebrewDay(year: number, monthIndex: number, day: number): number;
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/** Convert serial month index to a Hebrew date, clamping the day if needed. */
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export declare function monthIndexToHebrewDate(monthIndex: number, day: number): HebrewDate;
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/** Convert zero-based month index to the user-facing 1..13 number. */
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export declare function hebrewMonthNumber(monthIndex: number): number;
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