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frontend/src/i18n/useDayjsLanguageSync.ts

60 lines
1.8 KiB
TypeScript

import {computed, ref, watch} from 'vue'
import type dayjs from 'dayjs'
import type ILocale from 'dayjs/locale/*'
import {i18n, type SupportedLocale, type ISOLanguage} from '@/i18n'
export const DAYJS_LOCALE_MAPPING = {
'de-de': 'de',
'de-swiss': 'de-at',
'ru-ru': 'ru',
'fr-fr': 'fr',
'vi-vn': 'vi',
'it-it': 'it',
'cs-cz': 'cs',
'pl-pl': 'pl',
'nl-nl': 'nl',
'pt-pt': 'pt',
'zh-cn': 'zh-cn',
} as Record<SupportedLocale, ISOLanguage>
export const DAYJS_LANGUAGE_IMPORTS = {
'de-de': () => import('dayjs/locale/de'),
'de-swiss': () => import('dayjs/locale/de-at'),
'ru-ru': () => import('dayjs/locale/ru'),
'fr-fr': () => import('dayjs/locale/fr'),
'vi-vn': () => import('dayjs/locale/vi'),
'it-it': () => import('dayjs/locale/it'),
'cs-cz': () => import('dayjs/locale/cs'),
'pl-pl': () => import('dayjs/locale/pl'),
'nl-nl': () => import('dayjs/locale/nl'),
'pt-pt': () => import('dayjs/locale/pt'),
'zh-cn': () => import('dayjs/locale/zh-cn'),
} as Record<SupportedLocale, () => Promise<ILocale>>
export function useDayjsLanguageSync(dayjsGlobal: typeof dayjs) {
const dayjsLanguageLoaded = ref(false)
watch(
() => i18n.global.locale,
async (currentLanguage: string) => {
if (!dayjsGlobal) {
return
}
const dayjsLanguageCode = DAYJS_LOCALE_MAPPING[currentLanguage.toLowerCase()] || currentLanguage.toLowerCase()
dayjsLanguageLoaded.value = dayjsGlobal.locale() === dayjsLanguageCode
if (dayjsLanguageLoaded.value) {
return
}
await DAYJS_LANGUAGE_IMPORTS[currentLanguage.toLowerCase()]()
dayjsGlobal.locale(dayjsLanguageCode)
dayjsLanguageLoaded.value = true
},
{immediate: true},
)
// we export the loading state since that's easier to work with
const isLoading = computed(() => !dayjsLanguageLoaded.value)
return isLoading
}