in www/browser/FileTransfer.js [259:276]
function (code, status, response) {
if (transfers[that._id]) {
delete transfers[that._id];
}
// In XHR GET reqests we're setting response type to Blob
// but in case of error we need to raise event with plain text response
if (response instanceof Blob) {
const reader = new FileReader();
reader.readAsText(response);
reader.onloadend = function (e) {
const error = new FileTransferError(code, source, target, status, e.target.result);
errorCallback(error);
};
} else {
const error = new FileTransferError(code, source, target, status, response);
errorCallback(error);
}
};