55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
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import fr from './fr.json'
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import gcf from './gcf.json'
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import { browser } from '$app/environment'
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import { defaultLocale, type Locale } from './locales'
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export { locales, localeNames, defaultLocale, type Locale } from './locales'
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type Dict = typeof fr
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// gcf est vérifié par TypeScript contre la forme du français : une clé
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// manquante est une erreur de build, pas un fallback silencieux (ADR-001).
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const dicts: Record<Locale, Dict> = { fr, gcf }
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const STORAGE_KEY = 'oki-lang'
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function initialLocale(): Locale {
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if (!browser) return defaultLocale
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const saved = localStorage.getItem(STORAGE_KEY)
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return saved === 'gcf' || saved === 'fr' ? saved : defaultLocale
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}
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// Rune d'état partagée (Svelte 5) : la langue de l'interface.
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// Le HTML prérendu est en fr ; le créole est une amélioration progressive
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// (persistance localStorage — mission §4.3, doctrine §4.2).
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const state = $state({ locale: initialLocale() })
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export function getLocale(): Locale {
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return state.locale
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}
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export function setLocale(locale: Locale) {
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state.locale = locale
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if (browser) {
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localStorage.setItem(STORAGE_KEY, locale)
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document.documentElement.lang = locale
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}
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}
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function lookup(dict: Dict, path: string): unknown {
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return path.split('.').reduce<unknown>((node, key) => {
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if (node && typeof node === 'object' && key in node) {
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return (node as Record<string, unknown>)[key]
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}
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return undefined
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}, dict)
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}
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/** Chaîne d'interface pour `path` dans la langue courante (réactif). */
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export function t(path: string): string {
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const hit = lookup(dicts[state.locale], path) ?? lookup(dicts[defaultLocale], path)
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if (typeof hit !== 'string') {
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throw new Error(`Clé i18n manquante « ${path} » (locale : ${state.locale})`)
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}
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return hit
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}
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