'use strict';

// eslint-disable-next-line no-unused-vars

class Util {

static createAndAppend(name, parent, options = {}) {

const elem = document.createElement(name);

parent.appendChild(elem);

Object.keys(options).forEach((key) => {

const value = options[key];

if (key === 'text') {

elem.innerText = value;

} else {

elem.setAttribute(key, value);

}

});

return elem;

}

static fetchJSON(url) {

return new Promise((resolve, reject) => {

const xhr = new XMLHttpRequest();

xhr.open('GET', url);

xhr.responseType = 'json';

xhr.onload = () => {

if (xhr.status < 400) {

resolve(xhr.response);

} else {

reject(new Error(`Network error: ${xhr.status} - ${xhr.statusText}`));

}

};

xhr.onerror = () => reject(new Error('Network request failed'));

xhr.send();

});

}

}