erp-imprimelibros/src/main/resources/static/assets/js/pages/imprimelibros/languageBundle.js

window.languageBundle.get = function (key, ...params) {
    let text = this[key] || key;
    params.forEach((val, i) => {
        text = text.replace(`{${i}}`, val);
    });
    return text;
};