73 lines
2.4 KiB
TypeScript
73 lines
2.4 KiB
TypeScript
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/*
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* Copyright (C) Contributors to the Suwayomi project
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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export const isWithinLastXMillis = (date: Date, timeMS: number) => {
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const timeDifference = Date.now() - date.getTime();
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return timeDifference <= timeMS;
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};
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export const getElapsedTimeSinceStartOfDay = (date: Date) => {
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const startOfDay = new Date(date.getFullYear(), date.getMonth(), date.getDate());
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return date.getTime() - startOfDay.getTime();
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};
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/**
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* Returns a string in localized format for the passed date.
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*
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* In case the date is from today or yesterday a special string will be returned including "Today"
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* or "Yesterday" with the localized time of the passed date.
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*
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* @example
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* const today = new Date();
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* const yesterday = new Date(today.getTime() - 1000 * 60 * 60 * 24);
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* const someDate = new Date(1337, 4, 20);
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*
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* const todayAsString = getDateString(today); // => "Today at 02:50 AM"
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* const yesterdayAsString = getDateString(yesterday) // => "Yesterday at 02:50 AM"
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* const someDate = getDateString(someDate) // => "04/20/1337"
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*
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*
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* @param date
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*/
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export const getUploadDateString = (date: Date | number) => {
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const uploadDate = date instanceof Date ? date : new Date(date);
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const today = new Date();
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const todayElapsedTime = getElapsedTimeSinceStartOfDay(today);
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const yesterday = new Date(today.getTime() - todayElapsedTime - 1000 * 60 * 60 * 24);
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const elapsedTimeSinceYesterday = today.getTime() - yesterday.getTime();
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const wasUploadedToday = isWithinLastXMillis(uploadDate, todayElapsedTime);
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const wasUploadedYesterday = isWithinLastXMillis(uploadDate, elapsedTimeSinceYesterday);
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const addTimeString = wasUploadedToday || wasUploadedYesterday;
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const timeString = addTimeString
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? uploadDate.toLocaleTimeString(
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undefined,
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{
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hour: '2-digit',
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minute: '2-digit',
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},
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)
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: '';
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if (wasUploadedToday) {
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return `Today at ${timeString}`;
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}
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if (wasUploadedYesterday) {
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return `Yesterday at ${timeString}`;
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}
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return uploadDate.toLocaleDateString(undefined, {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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});
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};
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