fix: avoid panic

electricbubble · Feb 21, 2022 · c8e4d30 · c8e4d30
1 parent 195417e
commit c8e4d30
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/driver.go b/driver.go
@@ -45,6 +45,9 @@ func NewUSBDriver(capabilities Capabilities, device ...Device) (driver WebDriver
 		if device, err = DeviceList(); err != nil {
 			return nil, err
 		}
+		if len(device) == 0 {
+			return nil, errors.New("no device")
+		}
 	}
 	dev := device[0]