Introduction

import SwiftGraphQLClient
import GraphQL

let request = URLRequest(url: URL(string: "http://127.0.0.1:4000/graphql")!)
let client = SwiftGraphQLClient.Client(request: request)

let args = ExecutionArgs(
    query: """
    query HelloWorld {
        hello
    }
    """,
    variables: [:]
)

client.query(args)
    .sink { completion in
        print(completion)
    } receiveValue: { result in
        print(result)
    }

let ws = GraphQLWebSocket(request: API_ENDPOINT)

let args = ExecutionArgs(
    query: """
    subscription Counter {
        count(from: 10, to: 1)
    }
    """,
    variables: [:]
)

client.subscribe(args)
    .sink { completion in
        print(completion)
    } receiveValue: { result in
        print(result)
    }

import SwiftGraphQL

enum Planet: String {
    case earth
}

// Define a Swift model.
struct Human: Identifiable {
    let id: String
    let name: String
    let planet: Planet?
}

// Create a selection.
let human = Selection.Human<Human> {
    // Query
    let id: String = try $0.id()
    let name: String = try $0.name()
    let rawPlanet = try $0.planet()

    // Decode
    guard let homePlanet = Planet(rawValue: rawPlanet) else {
        throw "Invalid planet value"
    }
    return Human(id: id, name: name, homePlanet: homePlanet)
}

let query = Selection.Query<[Human]> {
    try $0.friends(selection: human.list)
}

// Perform a request.
let url = URL(string: "http://localhost:8080/graphql")!
let request = URLRequest(url: url).querying(query)

let task = URLSession.shared.dataTask(with: request) { data, response, error in
    guard let result = try? data?.decode(query) else {
        print("something went wrong")
    }

    print(result)
}
task.resume()