leeyazhou
6fd31a9996
- Add src/locales/ with en baseline and zh overrides (Partial<Record> fallback) - Add src/shared/i18n.ts with initI18n/t/setLocale/getLocale (LANG env auto-detect) - Add I18nConfigSchema with locale field to plugin config - Internationalize 13 hardcoded strings in task-toast-manager - Add 18 unit tests for i18n module - Pin manager tests to en locale for determinism
52 lines
1.7 KiB
TypeScript
52 lines
1.7 KiB
TypeScript
import { type SupportedLocale, type TranslationKey, locales } from "../locales"
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let currentLang: SupportedLocale = "en"
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let fallbackLang: SupportedLocale = "en"
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function isSupportedLocale(locale: string): locale is SupportedLocale {
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return locale in locales
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}
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function isTranslationKey(key: string): key is TranslationKey {
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return key in locales.en
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}
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function detectLocale(): SupportedLocale {
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const envLang = process.env.LANG ?? ""
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const lang = envLang.split(".")[0]?.split("_")[0]?.toLowerCase() ?? "en"
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const supported: Record<string, SupportedLocale> = { zh: "zh" }
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return supported[lang] ?? "en"
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}
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export function initI18n(opts?: { locale?: string; fallback?: string }): void {
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currentLang = opts?.locale && isSupportedLocale(opts.locale)
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? opts.locale
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: detectLocale()
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fallbackLang = opts?.fallback && isSupportedLocale(opts.fallback)
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? opts.fallback
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: "en"
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if (!isSupportedLocale(currentLang)) currentLang = "en"
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}
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export function getLocale(): SupportedLocale {
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return currentLang
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}
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export function setLocale(lang: string): void {
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if (isSupportedLocale(lang)) currentLang = lang
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}
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export function t(key: TranslationKey, params?: Record<string, string | number>): string
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export function t(key: string, params?: Record<string, string | number>): string
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export function t(key: string, params?: Record<string, string | number>): string {
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let msg = key
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if (isTranslationKey(key)) {
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msg = locales[currentLang][key] ?? locales[fallbackLang][key] ?? key
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}
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if (!params) return msg
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return msg.replace(/\{\{(\w+)\}\}/g, (_match: string, name: string) => {
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const value = params[name]
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return value != null ? String(value) : `{{${name}}}`
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})
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}
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