lastbattle/graphql-query-builder-dotnet

A .NET GraphQL query builder

GraphQL Query Builder .NET

A tool to build GraphQL query from a C# model.

See complete documentation here

See sample here

Install

> dotnet add package GraphQL.Query.Builder

Usage

// Create the query
var query = new Query<Human>("humans") // set the name of the query
    .AddArguments(new { id = "uE78f5hq" }) // add query arguments
    .AddField(h => h.FirstName) // add firstName field
    .AddField(h => h.LastName) // add lastName field
    .AddField( // add a sub-object field
        h => h.HomePlanet, // set the name of the field
        sq => sq /// build the sub-query
            .AddField(p => p.Name)
    )
    .AddField<human>( // add a sub-list field
        h => h.Friends,
        sq => sq
            .AddField(f => f.FirstName)
            .AddField(f => f.LastName)
    );
// This corresponds to:
// humans(id: "uE78f5hq") {
//   FirstName
//   LastName
//   HomePlanet {
//     Name
//   }
//   Friends {
//     FirstName
//     LastName
//   }
// }

Console.WriteLine("{" + query.Build() + "}");
// Output:
// {humans(id:"uE78f5hq"){FirstName LastName HomePlanet{Name}Friends FirstName LastName}}

Dependencies

• Dawn.Guard (>= 1.12.0)
• Newtonsoft.Json (>= 11.0.1)