42e785b0a8
* First run of script * Get the app running --- ish * Get NextJS working * Remove `node:` * Get more tests passing in unit directory * Update FailBot test to use nock * Update test.yml * Update Dockerfile * tests/content fixes * Update page.js * Update build-changelog.js * updating tests/routing * Update orphan-tests.js * updating tests/rendering * Update .eslintrc.js * Update .eslintrc.js * Install jest/globals * "linting" tests * staging update to server.mjs * Change '.github/allowed-actions.js' to a ESM export * Lint * Fixes for the main package.json * Move Jest to be last in the npm test command so we can pass args * Just use 'npm run lint' in the npm test command * update algolia label script * update openapi script * update require on openapi * Update enterprise-algolia-label.js * forgot JSON.parse * Update lunr-search-index.js * Always explicitly include process.cwd() for JSON file reads pathed from project root * update graphql/update-files.js script * Update other npm scripts using jest to pass ESM NODE_OPTIONS * Update check-for-enterprise-issues-by-label.js for ESM * Update create-enterprise-issue.js for ESM * Import jest global for browser tests * Convert 'script/deploy' to ESM Co-authored-by: Grace Park <gracepark@github.com> Co-authored-by: James M. Greene <jamesmgreene@github.com>
48 lines
1.6 KiB
JavaScript
48 lines
1.6 KiB
JavaScript
import xLanguages from '../lib/languages.js'
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import parser from 'accept-language-parser'
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const languageCodes = Object.keys(xLanguages)
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const chineseRegions = ['CN', 'HK']
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function translationExists (language) {
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if (language.code === 'zh') {
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return chineseRegions.includes(language.region)
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}
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return languageCodes.includes(language.code)
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}
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function getLanguageCode (language) {
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return language.code === 'zh' && chineseRegions.includes(language.region) ? 'cn' : language.code
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}
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function getUserLanguage (browserLanguages) {
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try {
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let userLanguage = getLanguageCode(browserLanguages[0])
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let numTopPreferences = 1
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for (let lang = 0; lang < browserLanguages.length; lang++) {
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// If language has multiple regions, Chrome adds the non-region language to list
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if (lang > 0 && browserLanguages[lang].code !== browserLanguages[lang - 1].code) numTopPreferences++
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if (translationExists(browserLanguages[lang]) && numTopPreferences < 3) {
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userLanguage = getLanguageCode(browserLanguages[lang])
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break
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}
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}
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return userLanguage
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} catch {
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return undefined
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}
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}
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export default function detectLanguage (req, res, next) {
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// determine language code from first part of URL, or default to English
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// /en/articles/foo
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// ^^
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const firstPartOfPath = req.path.split('/')[1]
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req.language = languageCodes.includes(firstPartOfPath) ? firstPartOfPath : 'en'
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// Detecting browser language by user preference
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const browserLanguages = parser.parse(req.headers['accept-language'])
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req.userLanguage = getUserLanguage(browserLanguages)
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return next()
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}
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