Ilia Denisov
1e62837c68
An audit found the client already i18n-first: one hard-coded UI string (the battle-scene aria-label, now keyed) and en/ru already share an identical 692-key set. - Persist the locale: i18n.setLocale writes localStorage (galaxy-locale) and the store boots from stored > browser detection > default, so a language switch survives reloads. - tests/i18n-completeness.test.ts: en/ru key-set parity, non-empty values, and locale persistence. - Docs: ui/docs/i18n.md; mark F3 done in ui/PLAN-finalize.md. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
60 lines
2.0 KiB
TypeScript
60 lines
2.0 KiB
TypeScript
import "@testing-library/jest-dom/vitest";
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import { beforeEach, describe, expect, it, vi } from "vitest";
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import en from "../src/lib/i18n/locales/en";
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import ru from "../src/lib/i18n/locales/ru";
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// Structural guard against translation drift: the en bundle defines the
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// TranslationKey type, so any key added to one locale but not the other
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// (or left blank) must fail here rather than silently fall back at
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// runtime.
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describe("i18n bundle completeness", () => {
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it("en and ru expose identical key sets", () => {
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const onlyEn = Object.keys(en).filter((k) => !(k in ru));
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const onlyRu = Object.keys(ru).filter((k) => !(k in en));
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expect({ onlyEn, onlyRu }).toEqual({ onlyEn: [], onlyRu: [] });
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});
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it("has no empty translation values", () => {
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for (const [k, v] of Object.entries(en)) {
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expect(v.length, `en.${k}`).toBeGreaterThan(0);
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}
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for (const [k, v] of Object.entries(ru)) {
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expect(v.length, `ru.${k}`).toBeGreaterThan(0);
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}
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});
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});
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// The store is a module singleton constructed on first import (it reads
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// localStorage in its initialiser), so each case clears storage and
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// resets the module registry, then imports a freshly-built store.
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const LOCALE_KEY = "galaxy-locale";
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describe("locale persistence", () => {
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beforeEach(() => {
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localStorage.clear();
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vi.resetModules();
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});
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it("persists an explicit choice and restores it on the next load", async () => {
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const first = await import("../src/lib/i18n/index.svelte");
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first.i18n.setLocale("ru");
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expect(localStorage.getItem(LOCALE_KEY)).toBe("ru");
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vi.resetModules();
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const second = await import("../src/lib/i18n/index.svelte");
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expect(second.i18n.locale).toBe("ru");
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});
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it("falls back to browser detection when nothing is stored", async () => {
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const mod = await import("../src/lib/i18n/index.svelte");
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expect(["en", "ru"]).toContain(mod.i18n.locale);
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});
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it("ignores an unrecognised stored value", async () => {
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localStorage.setItem(LOCALE_KEY, "fr");
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const mod = await import("../src/lib/i18n/index.svelte");
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expect(["en", "ru"]).toContain(mod.i18n.locale);
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});
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});
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