Swedish dictionary not working about dictionaries HOT 2 CLOSED

import nspell from 'nspell';
import englishLoader from 'dictionary-en';
import swedishLoader from 'dictionary-sv';

async function loadSpellCheckerAsync(lang) {
    const builtInDict = await loadBuiltInDictionaryAsync(lang);
    const spellChecker = new nspell(builtInDict);
    return spellChecker;
}

function loadBuiltInDictionaryAsync(lang) {
    const dictionaryLoader = getDictionaryLoader(lang);
    return new Promise((resolve, reject) => {
        dictionaryLoader((err, dict) => {
            if (err) { reject(err); }
            resolve(dict);
        });
    });
}

function getDictionaryLoader(lang){
    switch(lang) {
        case "en":
            return englishLoader;
        case "sv":
            return swedishLoader;
        default:
            throw new Error(`Unsupported lang: ${lang}`);
    }
}