How to handle error for response Type blob in HttpRequest

Question

I am calling an http request using httpClient and using response Type as \'blob\' but the problem is when it goes in error block the response type remains \'blob\'.This is c

Answer 1

The code from SplitterAlex worked for me but I needed the error object and the status code too. Thats why I adjusted the parseErrorBlob method a little bit.

public parseErrorBlob(err: HttpErrorResponse): Observable {
const reader: FileReader = new FileReader();
const obs = new Observable((observer: any) => {
  reader.onloadend = (e) => {
    const messageObject = JSON.parse(reader.result as string);
    observer.error({
      error : {
        message : messageObject.message
      },
      message : messageObject.message,
      status : err.status
    });
    observer.complete();
  };
});
reader.readAsText(err.error);
return obs;

}