onRequest method
The callback will be executed before the request is initiated.
If you want to continue the request, call handler.next
.
If you want to complete the request with some custom data,
you can resolve a Response object with handler.resolve
.
If you want to complete the request with an error message,
you can reject a DioError
object with handler.reject
.
Implementation
@override
Future<dynamic> onRequest(
RequestOptions options,
RequestInterceptorHandler handler,
) async {
final currentToken = await token;
final headers = currentToken != null
? _tokenHeader(currentToken)
: const <String, String>{};
options.headers.addAll(headers);
handler.next(options);
}