Alexander
d540b82e85
Two-locale recipes dictionary lands at src/lib/i18n/recipes/{de,en}.ts
with the same satisfies-based completeness enforcement as the other
namespaces. recipesI18n.ts is the slim shim — exports m, RecipesLang,
RecipesKey, plus langFromRecipeSlug / recipeSlugFromLang helpers for
the rezepte ↔ recipes URL slug mapping.
[recipeLang]/+layout.svelte's nav-label ternary chain collapses into
t.foo lookups. NutritionSummary.svelte is the heavy hitter — 33
inline isEnglish ternaries become a single dictionary load. Most
amino-acid names use a German-stem-plus-optional-e pattern in the old
code (`Lysin{isEnglish ? 'e' : ''}`) that's now just t.lysine in the
template; less clever, much more obviously translatable.
40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
/**
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* Recipes route i18n.
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*
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* Translation tables live per-locale in `$lib/i18n/recipes/{de,en}.ts`.
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* `de.ts` is the source of truth for the key set; `en.ts` uses
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* `satisfies Record<keyof typeof de, string>` so missing translations
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* fail the build.
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*
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* Recipes routes get `lang` from the layout server load (data.lang),
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* derived from the [recipeLang=recipeLang] param matcher: rezepte→de,
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* recipes→en. Use `langFromRecipeSlug(params.recipeLang)` if you need it
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* from the slug directly.
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*/
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import { de } from '$lib/i18n/recipes/de';
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import { en } from '$lib/i18n/recipes/en';
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export const m = { de, en } as const;
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export type RecipesLang = keyof typeof m;
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export type RecipesKey = keyof typeof de;
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/** Map a `[recipeLang]` slug to the locale code. */
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export function langFromRecipeSlug(recipeLang: string | null | undefined): RecipesLang {
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return recipeLang === 'recipes' ? 'en' : 'de';
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}
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/** Reverse: locale → URL slug. */
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export function recipeSlugFromLang(lang: RecipesLang): 'recipes' | 'rezepte' {
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return lang === 'en' ? 'recipes' : 'rezepte';
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}
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/**
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* Get a translated string. Prefer `m[lang].key` directly in new code —
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* this helper is kept for incremental migration.
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*/
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export function t(key: RecipesKey, lang: RecipesLang): string {
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return m[lang][key] ?? m.en[key] ?? key;
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}
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