38 lines
1.5 KiB
Plaintext
38 lines
1.5 KiB
Plaintext
/*
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* Copyright 2020 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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import {CalendarDate, CalendarDateTime} from './CalendarDate';
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export type Mutable<T> = {
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-readonly[P in keyof T]: T[P]
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};
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export function mod(amount: number, numerator: number): number {
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return amount - numerator * Math.floor(amount / numerator);
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}
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export function copy(date: CalendarDate): Mutable<CalendarDate> {
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if (date.era) {
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return new CalendarDate(date.calendar, date.era, date.year, date.month, date.day);
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} else {
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return new CalendarDate(date.calendar, date.year, date.month, date.day);
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}
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}
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export function copyDateTime(date: CalendarDateTime): Mutable<CalendarDateTime> {
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if (date.era) {
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return new CalendarDateTime(date.calendar, date.era, date.year, date.month, date.day, date.hour, date.minute, date.second, date.millisecond);
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} else {
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return new CalendarDateTime(date.calendar, date.year, date.month, date.day, date.hour, date.minute, date.second);
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}
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}
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