mirror of
https://github.com/InvoiceShelf/InvoiceShelf.git
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812956abcc
13 files completing the TypeScript migration: - router/ (3 files): typed guards, route meta augmentation, merged feature routes from all 16 modules - plugins/ (4 files): i18n with dynamic locale loading, pinia, tooltip directive - Entry points: main.ts, InvoiceShelf.ts bootstrap class, App.vue, global-components.ts with typed registration - NoCompanyView and NotFoundView stubs scripts-v2/ totals: 324 files, 42853 lines of strict TypeScript. Zero any types. Complete feature-based architecture with typed stores, API services, composables, and Vue components. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
117 lines
3.1 KiB
TypeScript
117 lines
3.1 KiB
TypeScript
import { createI18n } from 'vue-i18n'
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import type { I18n, I18nOptions } from 'vue-i18n'
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import en from '../../../lang/en.json'
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/**
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* Locale-to-filename mapping for language files whose filename does
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* not match the locale code exactly.
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*/
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const LOCALE_FILE_MAP: Record<string, string> = {
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zh_CN: 'zh-cn',
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pt_BR: 'pt-br',
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}
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/** Tracks which languages have already been loaded. */
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const loadedLanguages = new Set<string>(['en'])
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/** In-memory cache of loaded message objects keyed by locale. */
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const languageCache = new Map<string, Record<string, unknown>>()
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/**
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* Dynamically import a language JSON file for a given locale.
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*/
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async function loadLanguageMessages(
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locale: string
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): Promise<Record<string, unknown>> {
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if (languageCache.has(locale)) {
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return languageCache.get(locale)!
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}
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const fileName = LOCALE_FILE_MAP[locale] ?? locale
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try {
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const mod: { default: Record<string, unknown> } = await import(
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`../../../lang/${fileName}.json`
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)
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const messages = mod.default ?? mod
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languageCache.set(locale, messages)
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loadedLanguages.add(locale)
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return messages
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} catch (error: unknown) {
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console.warn(`Failed to load language: ${locale}`, error)
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// Fall back to English
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if (locale !== 'en' && !languageCache.has('en')) {
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try {
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const fallback: { default: Record<string, unknown> } = await import(
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'../../../lang/en.json'
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)
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const fallbackMessages = fallback.default ?? fallback
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languageCache.set('en', fallbackMessages)
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return fallbackMessages
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} catch (fallbackError: unknown) {
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console.error('Failed to load fallback language (en)', fallbackError)
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return {}
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}
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}
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return languageCache.get('en') ?? {}
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}
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}
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/**
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* Load a language and activate it on the given i18n instance.
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*/
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export async function setI18nLanguage(
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i18n: I18n<Record<string, unknown>, Record<string, unknown>, Record<string, unknown>, string, false>,
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locale: string
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): Promise<void> {
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if (!loadedLanguages.has(locale)) {
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const messages = await loadLanguageMessages(locale)
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i18n.global.setLocaleMessage(locale, messages)
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}
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i18n.global.locale.value = locale
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}
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/**
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* Check whether a language has already been loaded.
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*/
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export function isLanguageLoaded(locale: string): boolean {
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return loadedLanguages.has(locale)
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}
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/** Type alias for the i18n instance created by this module. */
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export type AppI18n = I18n<
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Record<string, unknown>,
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Record<string, unknown>,
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Record<string, unknown>,
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string,
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false
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>
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/**
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* Create and return the vue-i18n plugin instance.
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*
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* Only the English bundle is included synchronously; all other
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* languages are loaded on demand via `setI18nLanguage`.
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*/
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export function createAppI18n(
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extraMessages?: Record<string, Record<string, unknown>>
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): AppI18n {
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const messages: Record<string, Record<string, unknown>> = {
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en: en as unknown as Record<string, unknown>,
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...extraMessages,
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}
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const options: I18nOptions = {
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legacy: false,
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locale: 'en',
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fallbackLocale: 'en',
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globalInjection: true,
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messages,
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}
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return createI18n(options) as AppI18n
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}
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