vjrj
7ae6becd8f
Bundle Noto Sans Arabic + Noto Sans JP (SIL OFL 1.1) as per-glyph fallbacks for both the UI text theme and every generated PDF, so RTL (Arabic) and CJK render on all platforms — including desktop, where the system font may lack them — instead of tofu. A shared pdf_fonts.dart centralizes the PDF theme and the three label/catalog/recovery services reuse it. Add Japanese (ja) as the CJK reference locale — fittingly, the app's own name is Japanese (種, tane, 'seed'). Core strings translated; the rest fall back to English via slang. Wired into supportedLocales (automatic) and the settings picker. Fix three physical Alignment.centerLeft -> AlignmentDirectional.centerStart in variety_detail_screen, and make month-abbreviation and avatar-initial truncation grapheme-safe (.characters) so CJK text is never cut mid-character. Tests: CJK/Arabic PDF glyph render, ja locale resolution + English fallback. The chat-bubble mirroring flagged by the audit was verified correct (already respects Directionality) and left unchanged.
67 lines
2.8 KiB
Markdown
67 lines
2.8 KiB
Markdown
# Translating Tane
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Tane is multilingual **by design** — international, not any-country-first
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(see the golden rules in [`../CLAUDE.md`](../CLAUDE.md)). Translations live as
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one JSON file per locale, a format Weblate (and any translation platform that
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speaks nested JSON) handles natively.
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## Where strings live
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```
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apps/app_seeds/lib/i18n/
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en.i18n.json ← base locale (source of truth for keys)
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es.i18n.json ast, pt, fr, de, ja …
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strings*.g.dart ← generated, do not edit
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```
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Live locales: `es`, `ast`, `en`, `pt`, `fr`, `de`, `ja`. Japanese (`ja`) is the
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CJK reference — fittingly, the app's own name is Japanese (種, *tane*, "seed").
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It ships only a core set of strings translated; the rest fall back to English,
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which is exactly how a partial locale is meant to grow.
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- Placeholders use braces: `"{count} entries added"`. Keep them verbatim.
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- Keys are code and never change per locale; only values are translated.
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- Missing keys fall back to English at runtime (`fallback_strategy:
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base_locale` in [`slang.yaml`](../apps/app_seeds/slang.yaml)), so a partial
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translation is shippable from day one.
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## Adding a locale
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1. Copy `en.i18n.json` to `<code>.i18n.json` (e.g. `fr.i18n.json`) and
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translate what you can.
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2. Regenerate the Dart bindings:
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```bash
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cd apps/app_seeds && dart run slang
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```
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3. Add a language tile in
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[`settings_screen.dart`](../apps/app_seeds/lib/ui/settings_screen.dart)
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(label = the language's own name, e.g. "Français") plus the `langXx` key in
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every locale file.
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4. Run the tests: `flutter test` (an i18n test guards against hardcoded
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strings; the RTL smoke test guards right-to-left layouts).
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## RTL and scripts
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Right-to-left locales (Arabic, Hebrew, Persian) are first-class: layouts use
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directional insets and are exercised by
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[`rtl_smoke_test.dart`](../apps/app_seeds/test/ui/rtl_smoke_test.dart).
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**Fonts cover the scripts we claim.** The UI text theme carries Noto Sans
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Arabic + Noto Sans JP as per-glyph fallbacks (see
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[`theme.dart`](../apps/app_seeds/lib/ui/theme.dart)), so RTL and CJK render on
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every platform — including desktop, where the system font may lack them. Every
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generated PDF shares the same fallbacks via
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[`pdf_fonts.dart`](../apps/app_seeds/lib/services/pdf_fonts.dart), so labels and
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catalogs print Arabic/CJK instead of tofu. Fonts are a per-locale resource,
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extensible to any script; widen the fallback list as more scripts land.
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Locale-specific resources ship with their locale, never hardcoded: OCR
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language packs (`assets/tessdata/`), PDF fonts (`assets/fonts/`), and species
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common names (`assets/catalog/species.json`, a locale-keyed map).
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## Weblate
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The JSON-per-locale layout is Weblate-ready (component per file, base
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`en.i18n.json`). Hosting is not set up yet; when it is, this page will link
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to the project. Until then, translation PRs/patches are welcome directly on
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the files above.
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