Dependency Injections on Azure Functions V2

CoreGitHubRepositoriesFunction.cs

public interface IFunction
{
  Task<TOutput> InvokeAsync<TInput, TOutput>(TInput input);
}

public interface IGitHubRepositoriesFunction : IFunction
{
}

public class CoreGitHubRepositoriesFunction : IGitHubRepositoriesFunction
{
  private readonly GitHub _github;
  private readonly HttpClient _httpClient;

  public CoreGitHubRepositoriesFunction(GitHub github, HttpClient httpClient)
  {
      this._github = github;
      this._httpClient = httpClient;
  }

  public async Task<TOutput> InvokeAsync<TInput, TOutput>(TInput input)
  {
    var req = input as HttpRequest;
    var type = req.Query["type"];
    var name = req.Query["name"];

    var requestUrl = $"{this._github.BaseUrl}{string.Format(this._github.Endpoints.Repositories, type, name)}";
    using (var message = await this._httpClient.GetAsync(requestUrl).ConfigureAwait(false))
    {
      var result = await message.Content.ReadAsStringAsync().ConfigureAwait(false);
      var res = JsonConvert.DeserializeObject<object>(result);

      return (TOutput)res;
    }
  }
}