magnetar/fe_calckey/frontend/locales/index.ts

100 lines
2.5 KiB
TypeScript
Raw Normal View History

2024-04-08 01:10:23 +00:00
/**
* Languages Loader
*/
import fs from "fs";
import yaml from "js-yaml";
import path from "path";
import { fileURLToPath } from "url";
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const languages: string[] = [];
const languages_custom: string[] = [];
const merge = (...args) =>
args.reduce(
(a, c) => ({
...a,
...c,
...Object.entries(a)
.filter(([k]) => c && typeof c[k] === "object")
.reduce((a, [k, v]) => ((a[k] = merge(v, c[k])), a), {}),
}),
{}
);
fs.readdirSync(__dirname).forEach((file) => {
if (file.includes(".yml")) {
file = file.slice(0, file.indexOf("."));
languages.push(file);
}
});
fs.readdirSync(__dirname + "/../custom/locales").forEach((file) => {
if (file.includes(".yml")) {
file = file.slice(0, file.indexOf("."));
languages_custom.push(file);
}
});
const primaries = {
en: "US",
ja: "JP",
zh: "CN",
};
// 何故か文字列にバックスペース文字が混入することがあり、YAMLが壊れるので取り除く
const clean = (text) =>
text.replace(new RegExp(String.fromCodePoint(0x08), "g"), "");
// HACK: Type checking the locale
type LocaleMap = { [property: string]: LocaleMap } & string;
const locales: Record<string, LocaleMap> = languages.reduce(
(a, c) => (
(a[c] =
yaml.load(clean(fs.readFileSync(`${__dirname}/${c}.yml`, "utf-8"))) ||
{}),
a
),
{}
);
const locales_custom: Record<string, LocaleMap> = languages_custom.reduce(
(a, c) => (
(a[c] =
yaml.load(
clean(
fs.readFileSync(`${__dirname}/../custom/locales/${c}.yml`, "utf-8")
)
) || {}),
a
),
{}
);
Object.assign(locales, locales_custom);
export default Object.entries(locales).reduce(
(a, [k, v]) => (
(a[k] = (() => {
const [lang] = k.split("-");
switch (k) {
case "ja-JP":
return v;
case "ja-KS":
case "en-US":
return merge(locales["ja-JP"], v);
default:
return merge(
locales["ja-JP"],
locales["en-US"],
locales[`${lang}-${primaries[lang]}`] || {},
v
);
}
})()),
a
),
{}
) as Record<string, LocaleMap>;