29 lines
1.3 KiB
TypeScript
29 lines
1.3 KiB
TypeScript
 
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import { hasLocale } from 'next-intl'
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import { getRequestConfig } from 'next-intl/server'
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import { DEFAULT_LOCALE, type Locale, LOCALES } from './locales'
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type Messages = { [key: string]: string | Messages }
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const load = async (locale: Locale): Promise<Messages> =>
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(await import(`./messages/${locale}.json`)).default
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/** Перевод накладывается на английские сообщения: непереведённый ключ показывается по-английски */
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const merge = (base: Messages, override: Messages): Messages => {
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const result: Messages = { ...base }
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for (const [key, value] of Object.entries(override)) {
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const current = result[key]
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result[key] =
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typeof value === 'object' && typeof current === 'object' ? merge(current, value) : value
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}
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return result
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}
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/** Язык приходит из сегмента [locale] внутреннего маршрута (setRequestLocale в layout) */
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export default getRequestConfig(async ({ requestLocale }) => {
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const requested = await requestLocale
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const locale = hasLocale(LOCALES, requested) ? requested : DEFAULT_LOCALE
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const base = await load(DEFAULT_LOCALE)
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const messages = locale === DEFAULT_LOCALE ? base : merge(base, await load(locale))
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return { locale, messages }
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})
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