mirror of
https://github.com/terribleplan/next.js.git
synced 2024-01-19 02:48:18 +00:00
60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
const i18n = require('i18next')
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const XHR = require('i18next-xhr-backend')
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const LanguageDetector = require('i18next-browser-languagedetector')
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const options = {
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fallbackLng: 'en',
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load: 'languageOnly', // we only provide en, de -> no region specific locals like en-US, de-DE
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// have a common namespace used around the full app
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ns: ['common'],
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defaultNS: 'common',
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debug: true,
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saveMissing: true,
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interpolation: {
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escapeValue: false, // not needed for react!!
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formatSeparator: ',',
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format: (value, format, lng) => {
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if (format === 'uppercase') return value.toUpperCase()
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return value
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}
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}
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}
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// for browser use xhr backend to load translations and browser lng detector
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if (process.browser) {
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i18n
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.use(XHR)
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// .use(Cache)
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.use(LanguageDetector)
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}
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// initialize if not already initialized
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if (!i18n.isInitialized) i18n.init(options)
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// a simple helper to getInitialProps passed on loaded i18n data
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i18n.getInitialProps = (req, namespaces) => {
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if (!namespaces) namespaces = i18n.options.defaultNS
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if (typeof namespaces === 'string') namespaces = [namespaces]
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req.i18n.toJSON = () => null // do not serialize i18next instance and send to client
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const initialI18nStore = {}
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req.i18n.languages.forEach((l) => {
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initialI18nStore[l] = {}
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namespaces.forEach((ns) => {
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initialI18nStore[l][ns] = req.i18n.services.resourceStore.data[l][ns] || {}
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})
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})
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return {
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i18n: req.i18n, // use the instance on req - fixed language on request (avoid issues in race conditions with lngs of different users)
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initialI18nStore,
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initialLanguage: req.i18n.language
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}
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}
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module.exports = i18n
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