revite/src/context/Locale.tsx

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import dayJS from "dayjs";
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import calendar from "dayjs/plugin/calendar";
import format from "dayjs/plugin/localizedFormat";
import update from "dayjs/plugin/updateLocale";
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import defaultsDeep from "lodash.defaultsdeep";
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import { IntlProvider } from "preact-i18n";
import { useEffect, useState } from "preact/hooks";
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import { connectState } from "../redux/connector";
import definition from "../../external/lang/en.json";
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export const dayjs = dayJS;
dayjs.extend(calendar);
dayjs.extend(format);
dayjs.extend(update);
export enum Language {
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ENGLISH = "en",
ARABIC = "ar",
AZERBAIJANI = "az",
CZECH = "cs",
GERMAN = "de",
GREEK = "el",
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SPANISH = "es",
FINNISH = "fi",
FRENCH = "fr",
HINDI = "hi",
CROATIAN = "hr",
HUNGARIAN = "hu",
INDONESIAN = "id",
LITHUANIAN = "lt",
MACEDONIAN = "mk",
DUTCH = "nl",
POLISH = "pl",
PORTUGUESE_BRAZIL = "pt_BR",
ROMANIAN = "ro",
RUSSIAN = "ru",
SERBIAN = "sr",
SWEDISH = "sv",
TURKISH = "tr",
UKRANIAN = "uk",
CHINESE_SIMPLIFIED = "zh_Hans",
OWO = "owo",
PIRATE = "pr",
BOTTOM = "bottom",
PIGLATIN = "piglatin",
}
export interface LanguageEntry {
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display: string;
emoji: string;
i18n: string;
dayjs?: string;
rtl?: boolean;
alt?: boolean;
}
export const Languages: { [key in Language]: LanguageEntry } = {
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en: {
display: "English (Traditional)",
emoji: "🇬🇧",
i18n: "en",
dayjs: "en-gb",
},
ar: { display: "عربي", emoji: "🇸🇦", i18n: "ar", rtl: true },
az: { display: "Azərbaycan dili", emoji: "🇦🇿", i18n: "az" },
cs: { display: "Čeština", emoji: "🇨🇿", i18n: "cs" },
de: { display: "Deutsch", emoji: "🇩🇪", i18n: "de" },
el: { display: "Ελληνικά", emoji: "🇬🇷", i18n: "el" },
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es: { display: "Español", emoji: "🇪🇸", i18n: "es" },
fi: { display: "suomi", emoji: "🇫🇮", i18n: "fi" },
fr: { display: "Français", emoji: "🇫🇷", i18n: "fr" },
hi: { display: "हिन्दी", emoji: "🇮🇳", i18n: "hi" },
hr: { display: "Hrvatski", emoji: "🇭🇷", i18n: "hr" },
hu: { display: "magyar", emoji: "🇭🇺", i18n: "hu" },
id: { display: "bahasa Indonesia", emoji: "🇮🇩", i18n: "id" },
lt: { display: "Lietuvių", emoji: "🇱🇹", i18n: "lt" },
mk: { display: "Македонски", emoji: "🇲🇰", i18n: "mk" },
nl: { display: "Nederlands", emoji: "🇳🇱", i18n: "nl" },
pl: { display: "Polski", emoji: "🇵🇱", i18n: "pl" },
pt_BR: {
display: "Português (do Brasil)",
emoji: "🇧🇷",
i18n: "pt_BR",
dayjs: "pt-br",
},
ro: { display: "Română", emoji: "🇷🇴", i18n: "ro" },
ru: { display: "Русский", emoji: "🇷🇺", i18n: "ru" },
sr: { display: "Српски", emoji: "🇷🇸", i18n: "sr" },
sv: { display: "Svenska", emoji: "🇸🇪", i18n: "sv" },
tr: { display: "Türkçe", emoji: "🇹🇷", i18n: "tr" },
uk: { display: "Українська", emoji: "🇺🇦", i18n: "uk" },
zh_Hans: {
display: "中文 (简体)",
emoji: "🇨🇳",
i18n: "zh_Hans",
dayjs: "zh",
},
owo: {
display: "OwO",
emoji: "🐱",
i18n: "owo",
dayjs: "en-gb",
alt: true,
},
pr: {
display: "Pirate",
emoji: "🏴‍☠️",
i18n: "pr",
dayjs: "en-gb",
alt: true,
},
bottom: {
display: "Bottom",
emoji: "🥺",
i18n: "bottom",
dayjs: "en-gb",
alt: true,
},
piglatin: {
display: "Pig Latin",
emoji: "🐖",
i18n: "piglatin",
dayjs: "en-gb",
alt: true,
},
};
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interface Props {
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children: JSX.Element | JSX.Element[];
locale: Language;
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}
function Locale({ children, locale }: Props) {
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// TODO: create and use LanguageDefinition type here
const [defns, setDefinition] =
useState<Record<string, unknown>>(definition);
const lang = Languages[locale];
// TODO: clean this up and use the built in Intl API
function transformLanguage(source: { [key: string]: any }) {
const obj = defaultsDeep(source, definition);
const dayjs = obj.dayjs;
const defaults = dayjs.defaults;
const twelvehour = defaults?.twelvehour === "yes" || true;
const separator: string = defaults?.date_separator ?? "/";
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const date: "traditional" | "simplified" | "ISO8601" =
defaults?.date_format ?? "traditional";
const DATE_FORMATS = {
traditional: `DD${separator}MM${separator}YYYY`,
simplified: `MM${separator}DD${separator}YYYY`,
ISO8601: "YYYY-MM-DD",
};
dayjs["sameElse"] = DATE_FORMATS[date];
dayjs["timeFormat"] = twelvehour ? "hh:mm A" : "HH:mm";
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Object.keys(dayjs)
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.filter((k) => typeof dayjs[k] === "string")
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.forEach(
(k) =>
(dayjs[k] = dayjs[k].replace(
/{{time}}/g,
dayjs["timeFormat"],
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)),
);
return obj;
}
useEffect(() => {
if (locale === "en") {
const defn = transformLanguage(definition);
setDefinition(defn);
dayjs.locale("en");
dayjs.updateLocale("en", { calendar: defn.dayjs });
return;
}
import(`../../external/lang/${lang.i18n}.json`).then(
async (lang_file) => {
const defn = transformLanguage(lang_file.default);
const target = lang.dayjs ?? lang.i18n;
const dayjs_locale = await import(
`../../node_modules/dayjs/esm/locale/${target}.js`
);
dayjs.locale(target, dayjs_locale.default);
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if (defn.dayjs) {
dayjs.updateLocale(target, { calendar: defn.dayjs });
}
setDefinition(defn);
},
);
}, [locale, lang]);
useEffect(() => {
document.body.style.direction = lang.rtl ? "rtl" : "";
}, [lang.rtl]);
return <IntlProvider definition={defns}>{children}</IntlProvider>;
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}
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export default connectState<Omit<Props, "locale">>(
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Locale,
(state) => {
return {
locale: state.locale,
};
},
true,
);