Function formatLanguage

src/shared/language.ts:36–43

(vscodeLocale: string)

 */

export function formatLanguage(vscodeLocale: string): Language {
	if (!vscodeLocale) {
		return "en"
	}

	const formattedLocale = vscodeLocale.replace(/-(\w+)$/, (_, region) => `-${region.toUpperCase()}`)
	return isLanguage(formattedLocale) ? formattedLocale : "en"
}