forked from Mirrors/elk
30 lines
1.1 KiB
TypeScript
30 lines
1.1 KiB
TypeScript
export function matchLanguages(languages: string[], acceptLanguages: readonly string[]): string | null {
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{
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// const lang = acceptLanguages.map(userLang => languages.find(lang => lang.startsWith(userLang))).filter(v => !!v)[0]
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// TODO: Support es-419, remove this code if we include spanish country variants
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const lang = acceptLanguages.map(userLang => languages.find((currentLang) => {
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if (currentLang === userLang)
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return currentLang
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// Edge browser: case for ca-valencia
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if (currentLang === 'ca-valencia' && userLang === 'ca-Es-VALENCIA')
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return currentLang
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if (userLang.startsWith('es-') && userLang !== 'es-ES' && currentLang === 'es-419')
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return currentLang
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return currentLang.startsWith(userLang) ? currentLang : undefined
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})).filter(v => !!v)?.[0]
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if (lang)
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return lang
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}
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const lang = acceptLanguages.map((userLang) => {
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userLang = userLang.split('-')[0]!
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return languages.find(lang => lang.startsWith(userLang))
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}).filter(v => !!v)[0]
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if (lang)
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return lang
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return null
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}
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