/**
 * This is a horrible hack which works in some old browsers. We can tell them to decode bytes via
 * sync XHR.
 *
 * Throws if fails. Should be wrapped in something to check that.
 *
 * @param {Uint8Array} bytes
 * @return {string}
 */
export function decodeSyncXHR(bytes: Uint8Array) {
  var u;

  // This hack will fail in non-Edgium Edge because sync XHRs are disabled (and
  // possibly in other places), so ensure there's a fallback call.
  try {
    var b = new Blob([bytes as any], {
      type: "text/plain;charset=UTF-8",
    } as any);
    u = URL.createObjectURL(b);

    var x = new XMLHttpRequest();
    x.open("GET", u, false);
    x.send();
    return x.responseText;
  } finally {
    if (u) {
      URL.revokeObjectURL(u);
    }
  }
}