apps/web-shared/src/lib/locale.ts


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import {writable} from "svelte/store";
import {base_domain, CookieNames} from "./configuration";
import {get_cookie, set_cookie} from "./helpers";

export function preffered_or_default() {
    if (/^en\b/i.test(navigator.language)) {
        return "en";
    }
    if (/^nb\b/i.test(navigator.language) || /^nn\b/i.test(navigator.language)) {
        return "nb";
    }
    return "en";
}

type Locales = "en"|"nb";
export const currentLocale = writable<Locales>((get_cookie(CookieNames.locale) === "preffered" ? preffered_or_default() : get_cookie(CookieNames.locale) ?? preffered_or_default()) as Locales);
currentLocale.subscribe(locale => {
    // @ts-ignore
    set_cookie(CookieNames.locale, locale, base_domain());
});