Function loadLanguage

src/js/language/Language.js:227–240

* Provide an async factory method for loading languages that clarifies the need to wait * for the language data to be loaded, so that other code doesn't press ahead before the language * is available. * * * @param {String} language_code - a language code or a fully-qualified URL to a langua

(language_code, script_path)

 * @returns {Language} - an instance of Language, or null if there's an error loading the translation file
 */
async function loadLanguage(language_code, script_path) {
    var url = buildLanguageURL(language_code, script_path);
    try {
        if (!LANGUAGES[language_code]) {
            let json = await fetchJSON(url)
            LANGUAGES[language_code] = json
        }
        return new Language(language_code, script_path)
    } catch (e) {
        console.log(`Error loading language [${url}] ${e.statusText}`)
        return null;
    }

}

function buildLanguageURL(code, script_path) {
    if (/\.json$/.test(code)) {