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22 lines
634 B
JavaScript
22 lines
634 B
JavaScript
const languages = require('../../lib/languages')
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// This middleware handles redirects for mistyped language codes
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//
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// Examples:
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// /jp* -> /ja*
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// /zh-TW* -> /cn*
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module.exports = async function languageCodeRedirects (req, res, next) {
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for (const code in languages) {
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const language = languages[code]
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const redirectPatterns = language.redirectPatterns || []
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for (const i in redirectPatterns) {
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const redirectPattern = redirectPatterns[i]
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if (redirectPattern.test(req.path)) {
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return res.redirect(301, req.path.replace(redirectPattern, `/${language.code}`))
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}
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}
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}
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return next()
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}
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