1 files changed, 5 insertions(+), 0 deletions(-)

M client.go

@@ 19,6 19,7 @@ import (
 var (
 	ErrNotAuthenticated     = errors.New("not authenticated")
 	ErrSubscriptionNotFound = errors.New("subscription not found")
+	ErrEmptyKey             = errors.New("key empty or unset")
 )
 
 type Client struct {


@@ 162,6 163,10 @@ func (s *Client) GetJSON(key string, dst interface{}) error {
 		return err
 	}
 
+	if resp.Data == nil || resp.Data.(string) == "" {
+		return ErrEmptyKey
+	}
+
 	return jsoniter.ConfigFastest.UnmarshalFromString(resp.Data.(string), dst)
 }