firefish/locales/index.mjs

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/**
* Languages Loader
*/
import fs from "node:fs";
import yaml from "js-yaml";
import { dirname } from "node:path";
import { fileURLToPath } from "node:url";
const __dirname = dirname(fileURLToPath(import.meta.url));
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const languages = [];
const languages_custom = [];
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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), {}),
}),
{},
);
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fs.readdirSync(__dirname).forEach((file) => {
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if (file.includes(".yml")) {
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file = file.slice(0, file.indexOf("."));
languages.push(file);
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}
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});
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fs.readdirSync(__dirname + "/../custom/locales").forEach((file) => {
if (file.includes(".yml")) {
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file = file.slice(0, file.indexOf("."));
languages_custom.push(file);
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}
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});
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const primaries = {
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en: "US",
ja: "JP",
zh: "CN",
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};
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// 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
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const clean = (text) =>
text.replace(new RegExp(String.fromCodePoint(0x08), "g"), "");
const locales = languages.reduce(
(a, c) => (
(a[c] =
yaml.load(clean(fs.readFileSync(`${__dirname}/${c}.yml`, "utf-8"))) ||
{}),
a
),
{},
);
const locales_custom = 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(
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(a, [k, v]) => (
(a[k] = (() => {
const [lang] = k.split("-");
return k === "en-US"
? v
: merge(
locales["en-US"],
locales[`${lang}-${primaries[lang]}`] || {},
v,
);
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})()),
a
),
{},
);