45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
TypeScript
import { cookies, headers } from 'next/headers';
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import {
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initializeServerI18n,
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parseAcceptLanguageHeader,
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} from '@kit/i18n/server';
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import {
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I18N_COOKIE_NAME,
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getI18nSettings,
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languages,
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} from '~/lib/i18n/i18n.settings';
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import { i18nResolver } from './i18n.resolver';
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/**
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* @name createI18nServerInstance
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* @description Creates an instance of the i18n server.
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* It uses the language from the cookie if it exists, otherwise it uses the language from the accept-language header.
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* If neither is available, it will default to the provided environment variable.
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*
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* Initialize the i18n instance for every RSC server request (eg. each page/layout)
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*/
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export function createI18nServerInstance() {
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const acceptLanguage = headers().get('accept-language');
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const cookie = cookies().get(I18N_COOKIE_NAME)?.value;
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let language =
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cookie ??
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parseAcceptLanguageHeader(acceptLanguage, languages)[0] ??
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languages[0];
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if (!languages.includes(language ?? '')) {
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console.warn(
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`Language "${language}" is not supported. Falling back to "${languages[0]}"`,
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);
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language = languages[0];
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}
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const settings = getI18nSettings(language);
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return initializeServerI18n(settings, i18nResolver);
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}
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