// Copyright: Ankitects Pty Ltd and contributors // License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html import "intl-pluralrules"; import { FluentBundle, FluentResource } from "@fluent/bundle"; import { i18n } from "../proto"; import { firstLanguage, setBundles } from "./bundles"; import type { ModuleName } from "./modules"; export function supportsVerticalText(): boolean { const firstLang = firstLanguage(); return ( firstLang.startsWith("ja") || firstLang.startsWith("zh") || firstLang.startsWith("ko") ); } export function direction(): string { const firstLang = firstLanguage(); if ( firstLang.startsWith("ar") || firstLang.startsWith("he") || firstLang.startsWith("fa") ) { return "rtl"; } else { return "ltr"; } } export function weekdayLabel(n: number): string { const firstLang = firstLanguage(); const now = new Date(); const daysFromToday = -now.getDay() + n; const desiredDay = new Date(now.getTime() + daysFromToday * 86_400_000); return desiredDay.toLocaleDateString(firstLang, { weekday: "narrow", }); } let langs: string[] = []; export function localizedDate( date: Date, options?: Intl.DateTimeFormatOptions, ): string { return date.toLocaleDateString(langs, options); } export function localizedNumber(n: number, precision = 2): string { const round = Math.pow(10, precision); const rounded = Math.round(n * round) / round; return rounded.toLocaleString(langs); } export function localeCompare( first: string, second: string, options?: Intl.CollatorOptions, ): number { return first.localeCompare(second, langs, options); } /// Treat text like HTML, merging multiple spaces and converting /// newlines to spaces. export function withCollapsedWhitespace(s: string): string { return s.replace(/\s+/g, " "); } export function withoutUnicodeIsolation(s: string): string { return s.replace(/[\u2068-\u2069]+/g, ""); } export async function setupI18n(args: { modules: ModuleName[] }): Promise { const resources = await i18n.i18nResources(args); const json = JSON.parse(new TextDecoder().decode(resources.json)); const newBundles: FluentBundle[] = []; for (const res in json.resources) { const text = json.resources[res]; const lang = json.langs[res]; const bundle = new FluentBundle([lang, "en-US"]); const resource = new FluentResource(text); bundle.addResource(resource); newBundles.push(bundle); } setBundles(newBundles); langs = json.langs; document.dir = direction(); }