onRequest method
Called when the request is about to be sent.
Implementation
@override
void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
try {
hookOnRequest?.call(options);
handler.next(options);
} catch (error, stackTrace) {
handler.reject(
DioException(
requestOptions: options,
error: error,
stackTrace: stackTrace,
),
);
}
}