mirror of
https://github.com/terribleplan/next.js.git
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9c4eefcdbf
* Add prettier for examples directory * Fix files * Fix linting * Add prettier script in case it has to be ran again
57 lines
2 KiB
JavaScript
57 lines
2 KiB
JavaScript
// Polyfill Node with `Intl` that has data for all locales.
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// See: https://formatjs.io/guides/runtime-environments/#server
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const IntlPolyfill = require('intl')
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Intl.NumberFormat = IntlPolyfill.NumberFormat
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Intl.DateTimeFormat = IntlPolyfill.DateTimeFormat
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const { readFileSync } = require('fs')
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const { basename } = require('path')
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const { createServer } = require('http')
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const accepts = require('accepts')
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const glob = require('glob')
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const next = require('next')
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const port = parseInt(process.env.PORT, 10) || 3000
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const dev = process.env.NODE_ENV !== 'production'
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const app = next({ dev })
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const handle = app.getRequestHandler()
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// Get the supported languages by looking for translations in the `lang/` dir.
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const supportedLanguages = glob
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.sync('./lang/*.json')
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.map(f => basename(f, '.json'))
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// We need to expose React Intl's locale data on the request for the user's
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// locale. This function will also cache the scripts by lang in memory.
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const localeDataCache = new Map()
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const getLocaleDataScript = locale => {
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const lang = locale.split('-')[0]
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if (!localeDataCache.has(lang)) {
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const localeDataFile = require.resolve(`react-intl/locale-data/${lang}`)
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const localeDataScript = readFileSync(localeDataFile, 'utf8')
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localeDataCache.set(lang, localeDataScript)
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}
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return localeDataCache.get(lang)
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}
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// We need to load and expose the translations on the request for the user's
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// locale. These will only be used in production, in dev the `defaultMessage` in
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// each message description in the source code will be used.
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const getMessages = locale => {
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return require(`./lang/${locale}.json`)
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}
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app.prepare().then(() => {
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createServer((req, res) => {
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const accept = accepts(req)
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const locale = accept.language(accept.languages(supportedLanguages)) || 'en'
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req.locale = locale
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req.localeDataScript = getLocaleDataScript(locale)
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req.messages = dev ? {} : getMessages(locale)
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handle(req, res)
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}).listen(port, err => {
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if (err) throw err
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console.log(`> Ready on http://localhost:${port}`)
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})
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})
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