92 lines
2.8 KiB
TypeScript
92 lines
2.8 KiB
TypeScript
// Copyright 2020-2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import * as moment from 'moment';
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import humanizeDuration from 'humanize-duration';
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import type { Unit } from 'humanize-duration';
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import { isNumber } from 'lodash';
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import type { LocalizerType } from '../types/Util';
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import { SECOND } from './durations';
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const SECONDS_PER_WEEK = 604800;
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export const DEFAULT_DURATIONS_IN_SECONDS: ReadonlyArray<number> = [
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0,
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moment.duration(4, 'weeks').asSeconds(),
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moment.duration(1, 'week').asSeconds(),
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moment.duration(1, 'day').asSeconds(),
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moment.duration(8, 'hours').asSeconds(),
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moment.duration(1, 'hour').asSeconds(),
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moment.duration(5, 'minutes').asSeconds(),
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moment.duration(30, 'seconds').asSeconds(),
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];
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export const DEFAULT_DURATIONS_SET: ReadonlySet<number> = new Set<number>(
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DEFAULT_DURATIONS_IN_SECONDS
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);
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export type FormatOptions = {
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capitalizeOff?: boolean;
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largest?: number; // how many units to show (the largest n)
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};
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export function format(
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i18n: LocalizerType,
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dirtySeconds?: number,
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{ capitalizeOff = false, largest }: FormatOptions = {}
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): string {
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let seconds = Math.abs(dirtySeconds || 0);
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if (!seconds) {
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return i18n(capitalizeOff ? 'off' : 'disappearingMessages__off');
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}
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seconds = Math.max(Math.floor(seconds), 1);
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// locale strings coming from electron use a dash as separator
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// but humanizeDuration uses an underscore
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const locale: string = i18n.getLocale().replace(/-/g, '_');
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const localeWithoutRegion: string = locale.split('_', 1)[0];
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const fallbacks: Array<string> = [];
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if (localeWithoutRegion !== locale) {
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fallbacks.push(localeWithoutRegion);
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}
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if (localeWithoutRegion === 'nb' || localeWithoutRegion === 'nn') {
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fallbacks.push('no');
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}
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if (localeWithoutRegion !== 'en') {
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fallbacks.push('en');
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}
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// humanizeDuration only supports zh_CN and zh_TW
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if (locale === 'zh_HK') {
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fallbacks.push('zh_TW');
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}
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const allUnits: Array<Unit> = ['y', 'mo', 'w', 'd', 'h', 'm', 's'];
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const defaultUnits: Array<Unit> =
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seconds % SECONDS_PER_WEEK === 0 ? ['w'] : ['d', 'h', 'm', 's'];
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return humanizeDuration(seconds * 1000, {
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// if we have an explict `largest` specified,
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// allow it to pick from all the units
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units: largest ? allUnits : defaultUnits,
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largest,
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language: locale,
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...(fallbacks.length ? { fallbacks } : {}),
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});
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}
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// normally we would not have undefineds all over,
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// but most use-cases start out with undefineds
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export function calculateExpirationTimestamp({
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expireTimer,
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expirationStartTimestamp,
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}: {
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expireTimer: number | undefined;
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expirationStartTimestamp: number | undefined | null;
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}): number | undefined {
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return isNumber(expirationStartTimestamp) && isNumber(expireTimer)
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? expirationStartTimestamp + expireTimer * SECOND
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: undefined;
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}
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