onResponse method
Called when the response is about to be resolved.
Implementation
@override
void onResponse(Response<dynamic> response, ResponseInterceptorHandler hdl) {
if (!enabled) return hdl.next(response);
final js = genByJson(response.data);
logPrint(
"RSP ${response.requestOptions.uri.path} <<<<<<<<<<<<<\n"
"${responseHeader ? response.headers : ''}"
"$js\n",
);
return hdl.next(response);
}