gods-eye-view/docs/TRANSLATORS.md

Translating God's Eye View

Shipped languages: English (source and fallback) and Russian (ru).

How it works

The English text is the key. There is no English catalog: the code is the source.

t('Save keys'); // plain text
t('Saved to {store}', { store }); // named placeholders
tn(count, '{count} camera', '{count} cameras'); // count-dependent text
msg('Live Flights'); // text kept in data, translated later by t()

<span data-i18n>Normal</span>
<button title="Pin visual presets" data-i18n-title>…</button>

data-i18n translates the element's own text (put it on the element that holds the text, not on a parent with children). data-i18n-title, data-i18n-aria-label and data-i18n-placeholder translate that attribute's English value.

Every other language is one flat JSON file, src/i18n/locales/<code>.json, keyed by the English text:

{
  "Save keys": "Сохранить ключи",
  "{count} cameras": {
    "one": "{count} камера",
    "few": "{count} камеры",
    "many": "{count} камер",
    "other": "{count} камеры"
  }
}

A tn() entry is keyed by the English plural form and holds one string per Intl.PluralRules category of that language. A missing entry falls back to English.

The page picks its language from ?lang=, then the choice stored by the EN/RU switch in the Visual Presets dock, then the browser languages, then English. Switching reloads the page.

The check

npm run i18n                      # what is missing, unused or broken, per language
npm run i18n -- --missing ru      # missing ru entries as JSON, ready to translate
npm run i18n -- --prune           # drop entries the code no longer uses

npm test runs the same check (src/i18n/catalog.test.mjs). It fails when a translation is missing, when an entry is no longer used, when placeholders differ from the English, or when a plural entry lacks a form.

Changing English text changes its key: the old translation becomes unused and the new text shows as missing. Translate it and prune.

Fixing a translation

Edit src/i18n/locales/<code>.json and run npm run i18n. To see your change, open the app with ?lang=<code>.

Adding a language

1. Create src/i18n/locales/<code>.json, fill it from npm run i18n -- --missing <code> (start from {}), and translate every entry.
2. Import it in src/i18n/index.js and add it to CATALOGS.
3. Add the code to LOCALES and its own-language name to LOCALE_NAMES in src/i18n/locale.js. Right-to-left languages also go in RTL_LOCALES.
4. Add src/i18n/locales/<code>.json next to ru.json in scripts/package-boundaries.json.
5. Run npm run i18n and npm test, then check the panels in the app at narrow widths.

Rules

• Keep every {placeholder} exactly as in the English; you may move it.
• UPPERCASE English stays UPPERCASE. Short labels, chips and HUD readouts should stay short; prefer an abbreviation over a wrapped line.
• Keep the separators ·, —, →, ↗, ….
• Leave product, provider and data names in their original form: Google Maps, Cesium ion, OpenAI, ChatGPT, NASA FIRMS, USGS, OpenSky, ADS-B, AIS, CCTV, HUD, TomTom, OpenStreetMap, Mapillary, and keyboard keys (Space, Esc, H, 1–9).
• Units follow the language's convention (Russian: км, м/с, уз, фт).

Never translated

These are contracts, not copy: layer ids and registry keys, status enums and other machine values (translate only the label shown for them), share-link and hash parameters, ?lang=, storage schemas, API fields, voice tool names and schemas, provider and dataset names, data from feeds (callsigns, vessel, satellite, station and place names, headlines), attribution, console diagnostics, and user-authored content.

Russian glossary

English	Русский
layer / data layer	слой / слой данных
feed	поток данных (short: поток)
source	источник
LIVE (status) / live data	ОНЛАЙН / в реальном времени
SIMULATED	СИМУЛЯЦИЯ
stale / degraded / unavailable	устарел / с перебоями / недоступен
key (API key) / POWER UP	ключ / ЗАПУСК
aircraft / flight / vessel	самолёт / рейс / судно
launch (rocket) / space mission	пуск / космическая миссия
contact / tracking	контакт / отслеживание
installation	объект
scene / shot / recipe	сцена / кадр / рецепт
HDG / BRG / CRS / FOV / DEST	КУРС / ПЕЛ. / ПУТЬ / ОБЗОР / НАЗН.
PREV / NEXT	ПРЕД. / СЛЕД.