export function GET(url: string) {
  return new Promise((resolve, reject) => {
    let xhr = new XMLHttpRequest();
    xhr.onreadystatechange = function () {
        if (xhr.readyState == 4 && (xhr.status >= 200 && xhr.status < 400)) {
            resolve && resolve(xhr.responseText);
        }
    };
    xhr.open("GET", url, true);
    xhr.send();
  })
}