dio_interceptors

Package Overview

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Dio interceptors is a package that extends the Dio HTTP client by providing a simple way to implement request and response interceptors. These interceptors allow developers to modify requests before they are sent, handle responses after they are received, or manage errors globally. Ideal for adding authentication tokens, logging, retry logic, or transforming data across all API calls. It integrates seamlessly with Dio, enhancing its functionality without requiring significant changes to existing code. The package is lightweight and focused on improving HTTP interaction workflows in Flutter applications.

Use cases

Adding auth headers to requests
Logging HTTP traffic
Handling API error responses
Implementing retry mechanisms
Transforming request/response data

Key features

Easy integration with Dio
Supports request and response interceptors
Global error handling
Lightweight and minimal overhead
Simple API for chaining interceptors

Suitable for

Flutter apps using Dio for HTTP requests
Projects needing centralized HTTP logic
Developers implementing authentication flows
Apps requiring request/response transformation
Teams wanting consistent API interaction patterns

Considerations

Requires Dio to be already integrated
Limited to Dio-based HTTP operations
No built-in support for non-Dio clients
May require understanding of interceptor patterns
Not suitable for standalone HTTP clients

Original README

Original README snapshot from the linked source repository. Visit the repository for the latest content.

A interceptors to use on Dio.

INTERCEPTORS

Interceptor Mock

You use for mock API requests.


void main() {
  Dio dio = Dio();

  var mockData = {
     "/test" : {
       "name" : "Gabul DEV",
       "site" : "https://gabul.dev"
     }
   };
   dio.interceptors.add(InterceptorMock(mockData));

   void getData() async{
       var res = await dio.get("/test");
      print(res.data["name"])// "Gabul DEV" 
      print(res.data["site"])// "https://gabul.dev"); 
   }
    
    getData();
}

Interceptor Token

You can use for add JWT all requests

Future<String> token() async{
  //Implements your logic here
  return jwt;
}

dio.interceptors.add(InterceptorToken(token: () async => await token()))

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