@uppy/utils/lib/isNetworkError.js

Shared utility functions for Uppy Core and plugins maintained by the Uppy team.

function isNetworkError(xhr) {
    if (!xhr)
        return false;
    // finished but status is 0 — usually indicates a network/CORS/file error
    return xhr.readyState === 4 && xhr.status === 0;
}
export default isNetworkError;