function HttpGetter(): void {}

HttpGetter.prototype.get = (filename) =>
  new Promise((resolve, reject) => {
    const xhr: XMLHttpRequest = new XMLHttpRequest();
    xhr.addEventListener('load', (e) => {
      if (xhr.status === 200) {
        resolve(xhr.responseText);
        return;
      }
      reject('failed with status ' + xhr.status + ': ' + xhr.statusText);
    });
    xhr.open('GET', filename);
    xhr.send();
  });

export { HttpGetter };