Code Using GraphQL

docker pull dgraph/standalone
mkdir -p ~/dgraph
docker run -it -p 5080:5080 -p 6080:6080 -p 8080:8080 \
  -p 9080:9080 -p 8000:8000 -v ~/dgraph:/dgraph --name dgraph \
  dgraph/standalone:master

touch schema.graphql
nano schema.graphql

type Product {
  id: ID!
  name: String! @id
  reviews: [Review] @hasInverse(field: about)
}
 
type Customer {
  username: String! @id
  reviews: [Review] @hasInverse(field: by)
}
 
type Review {
  id: ID!
  about: Product!
  by: Customer!
  comment: String @search(by: [fulltext])
  rating: Int @search
}

curl -X POST localhost:8080/admin/schema --data-binary '@schema.graphql'

mutation {
  addProduct(input: [{ name: "Dgraph" }, { name: "Dgraph Cloud" }]) {
    product {
      id
      name
    }
  }
  addCustomer(input: [{ username: "TonyStark" }]) {
    customer {
      username
    }
  }
}

mutation {
  addReview(
    input: [
      {
        by: { username: "TonyStark" }
        about: { name: "Dgraph" }
        comment: "Fantastic, easy to install, worked great. Best GraphQL server available"
        rating: 10
      }
    ]
  ) {
    review {
      id
      comment
      rating
      by {
        username
      }
      about {
        id
        name
      }
    }
  }
}

query {
  queryReview(
    filter: { comment: { alloftext: "server easy install" }, rating: { gt: 5 } }
  ) {
    comment
    by {
      username
      reviews(order: { desc: rating }, first: 10) {
        about {
          name
          reviews(order: { asc: rating }, first: 5) {
            by {
              username
            }
            comment
            rating
          }
        }
        rating
      }
    }
    about {
      name
    }
  }
}

import ballerina/graphql;
 
service /graphql on new graphql:Listener(9090) {
    resource function get hello() returns string {
        return "Hello, world!";
    }
}

import ballerina/graphql;
import ballerina/io;
 
type Response record {
    record { string hello; } data;
};
 
public function main() returns error? {
    graphql:Client helloClient = check new ("localhost:9090/graphql");
    string document = "{ hello }";
    Response response = check helloClient->execute(document);
    io:println(response.data.hello);
}

var orders = await sampleClient
    .Query
        .Orders(first: 10)
        .Include(e => e.Orders.Select(e => e.Customer))
        .Select(e => e.Orders)
        .ExecuteAsync();

 var customerId = await sampleClient
     .Mutation
     .AddCustomer(new CustomerInput
     {
         CustomerId = Guid.NewGuid(),
         CustomerName = "New Customer",
         Status = CustomerStatus.Active
     })
     .Select(e=> e.CustomerId)
     .ExecuteAsync();

client.GetHero
    .Watch(ExecutionStrategy.CacheFirst)
    .Subscribe(result =>
    {
        Console.WriteLine(result.Data.Name);
    })

var userId = 10;
var response = await qlClient.Query(q => q
    .User(userId, o => new
    {
        o.Id,
        o.FirstName,
        o.LastName
    }));

// expose an existing data model with ASP.NET & EF Core
public class Startup {
  public void ConfigureServices(IServiceCollection services)
  {
      services.AddDbContext<DemoContext>();
      // Auto build a schema from DemoContext. Alternatively you can build one from scratch
      services.AddGraphQLSchema<DemoContext>(options =>
      {
          // modify the schema (add/remove fields or types), add other services
      });
  }
 
  public void Configure(IApplicationBuilder app, DemoContext db)
  {
      app.UseRouting();
      app.UseEndpoints(endpoints =>
      {
          // defaults to /graphql endpoint
          endpoints.MapGraphQL<DemoContext>();
      });
  }
}

using System;
using System.Threading.Tasks;
using GraphQL;
using GraphQL.Types;
using GraphQL.SystemTextJson; // First add PackageReference to GraphQL.SystemTextJson
 
public class Program
{
  public static async Task Main(string[] args)
  {
    var schema = Schema.For(@"
      type Query {
        hello: String
      }
    ");
 
    var json = await schema.ExecuteAsync(_ =>
    {
      _.Query = "{ hello }";
      _.Root = new { Hello = "Hello World!" };
    });
 
    Console.WriteLine(json);
  }
}

using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
 
WebHost
    .CreateDefaultBuilder(args)
    .ConfigureServices(services =>
        services
            .AddGraphQLServer()
            .AddQueryType<Query>())
    .Configure(builder =>
        builder
            .UseRouting()
            .UseEndpoints(e => e.MapGraphQL()))
    .Build()
    .Run();
 
public class Query
{
    public Hero GetHero() => new Hero();
}
 
public class Hero
{
    public string Name => "Luke Skywalker";
}

(require '[alumbra.core :as alumbra]
         '[claro.data :as data])
 
(def schema
  "type Person { name: String!, friends: [Person!]! }
   type QueryRoot { person(id: ID!): Person, me: Person! }
   schema { query: QueryRoot }")
 
(defrecord Person [id]
  data/Resolvable
  (resolve! [_ _]
    {:name    (str "Person #" id)
     :friends (map ->Person  (range (inc id) (+ id 3)))}))
 
(def QueryRoot
  {:person (map->Person {})
   :me     (map->Person {:id 0})})
 
(def app
  (alumbra/handler
    {:schema schema
     :query  QueryRoot}))
 
(defonce my-graphql-server
  (aleph.http/start-server #'app {:port 3000}))

$ curl -XPOST "http://0:3000" -H'Content-Type: application/json' -d'{
  "query": "{ me { name, friends { name } } }"
}'
{"data":{"me":{"name":"Person #0","friends":[{"name":"Person #1"},{"name":"Person #2"}]}}}

(def schema "type QueryRoot {
    hello: String
  }")
 
(defn resolver-fn [type-name field-name]
  (get-in {"QueryRoot" {"hello" (fn [context parent & rest]
                              "Hello world!")}}
          [type-name field-name]))
 
(require '[graphql-clj.executor :as executor])
 
(executor/execute nil schema resolver-fn "{ hello }")

package main

import "github.com/andrewwphillips/eggql"

func main() {
	http.Handle("/graphql", eggql.New(struct{ Message string }{Message: "hello, world"}))
	http.ListenAndServe(":80", nil)
}

$ curl -XPOST -d '{"query": "{ message }"}' localhost:80/graphql

{
  "data": {
    "message": "hello, world"
  }
}

# schema.gql
"""
A supernatural being considered divine and sacred
"""
type Deity {
  name: String!
  power: String @deprecated(reason: "no more supported")
}
type Query {
  deity(name: String! = "Morpheus"): Deity!
}

{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
module API (api) where
import Data.ByteString.Lazy.Char8 (ByteString)
import Data.Morpheus (interpreter)
import Data.Morpheus.Document (importGQLDocument)
import Data.Morpheus.Types (RootResolver (..), Undefined (..))
import Data.Text (Text)
importGQLDocument "schema.gql"
rootResolver :: RootResolver IO () Query Undefined Undefined
rootResolver =
  RootResolver
    { queryResolver = Query {deity},
      mutationResolver = Undefined,
      subscriptionResolver = Undefined
    }
  where
    deity DeityArgs {name} =
      pure
        Deity
          { name = pure name,
            power = pure (Just "Shapeshifting")
          }
api :: ByteString -> IO ByteString
api = interpreter rootResolver

{-# LANGUAGE DataKinds #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE PartialTypeSignatures #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
 
-- imports omitted for brevity...
 
graphql "Library" "library.graphql" -- all the magic happens here! 🪄🎩
 
-- ... a bit more code...
 
libraryServer :: SqlBackend -> ServerT ObjectMapping i Library ServerErrorIO _
libraryServer conn =
  resolver
    ( object @"Book"
        ( field @"id" bookId,
          field @"title" bookTitle,
          field @"author" bookAuthor,
          field @"imageUrl" bookImage
        ),
      object @"Author"
        ( field @"id" authorId,
          field @"name" authorName,
          field @"books" authorBooks
        ),
      object @"Query"
        ( method @"authors" allAuthors,
          method @"books" allBooks
        ),
      object @"Mutation"
        ( method @"newAuthor" newAuthor,
          method @"newBook" newBook
        ),
      object @"Subscription"
        (method @"allBooks" allBooksConduit)
    )
  where
    bookId :: Entity Book -> ServerErrorIO Integer
    bookId (Entity (BookKey k) _) = pure $ toInteger k
    -- ... more resolvers...

// build.gradle.kts
import com.expediagroup.graphql.plugin.gradle.graphql
 
plugins {
    id("com.expediagroup.graphql") version $latestGraphQLKotlinVersion
}
 
dependencies {
  implementation("com.expediagroup:graphql-kotlin-spring-client:$latestGraphQLKotlinVersion")
}
 
graphql {
    client {
        // target GraphQL endpoint
        endpoint = "http://localhost:8080/graphql"
        // package for generated client code
        packageName = "com.example.generated"
    }
}

query HelloWorldQuery {
  helloWorld
}

package com.example.generated
 
import com.expediagroup.graphql.client.types.GraphQLClientRequest
import kotlin.String
import kotlin.reflect.KClass
 
const val HELLO_WORLD_QUERY: String = "query HelloWorldQuery {\n    helloWorld\n}"
 
class HelloWorldQuery: GraphQLClientRequest<HelloWorldQuery.Result> {
    override val query: String = HELLO_WORLD_QUERY
 
    override val operationName: String = "HelloWorldQuery"
 
    override fun responseType(): KClass<HelloWorldQuery.Result> = HelloWorldQuery.Result::class
 
    data class Result(
        val helloWorld: String
    }
}

package com.example.client
 
import com.expediagroup.graphql.client.spring.GraphQLWebClient
import com.expediagroup.graphql.generated.HelloWorldQuery
import kotlinx.coroutines.runBlocking
 
fun main() {
    val client = GraphQLWebClient(url = "http://localhost:8080/graphql")
    runBlocking {
        val helloWorldQuery = HelloWorldQuery()
        val result = client.execute(helloWorldQuery)
        println("hello world query result: ${result.data?.helloWorld}")
    }
}

query basicMapValue($userIds: [Int]) {
  userInfoList(userIds: $userIds) {
    id
    age
    firstName
    lastName
    fullName: stringHolder @map(mapper: "firstName + lastName")
  }
}
 
query filterUserByAge($userId: [Int]) {
  userInfoList(userIds: $userId) @filter(predicate: "age>=18") {
    userId
    age
    firstName
    lastName
  }
}
 
query parseFetchedValueToAnotherFieldArgumentMap($itemIds: [Int]) {
  itemList(itemIds: $itemIds) {
    # save sellerId as List<Long> with unique name "sellerIdList"
    sellerId @fetchSource(name: "sellerIdList")
    name
    saleAmount
    salePrice
  }
 
  userInfoList(userIds: 1)
    # transform the argument of "userInfoList" named "userIds" according to expression "sellerIdList" and expression argument,
    # which mean replace userIds value by source named "sellerIdList"
    @argumentTransform(
      argumentName: "userIds"
      operateType: MAP
      expression: "sellerIdList"
      dependencySources: ["sellerIdList"]
    ) {
    userId
    name
    age
  }
}

import graphql.ExecutionResult;
import graphql.GraphQL;
import graphql.schema.GraphQLSchema;
import graphql.schema.StaticDataFetcher;
import graphql.schema.idl.RuntimeWiring;
import graphql.schema.idl.SchemaGenerator;
import graphql.schema.idl.SchemaParser;
import graphql.schema.idl.TypeDefinitionRegistry;
 
import static graphql.schema.idl.RuntimeWiring.newRuntimeWiring;
 
public class HelloWorld {
 
    public static void main(String[] args) {
        String schema = "type Query{hello: String}";
 
        SchemaParser schemaParser = new SchemaParser();
        TypeDefinitionRegistry typeDefinitionRegistry = schemaParser.parse(schema);
 
        RuntimeWiring runtimeWiring = newRuntimeWiring()
                .type("Query", builder -> builder.dataFetcher("hello", new StaticDataFetcher("world")))
                .build();
 
        SchemaGenerator schemaGenerator = new SchemaGenerator();
        GraphQLSchema graphQLSchema = schemaGenerator.makeExecutableSchema(typeDefinitionRegistry, runtimeWiring);
 
        GraphQL build = GraphQL.newGraphQL(graphQLSchema).build();
        ExecutionResult executionResult = build.execute("{hello}");
 
        System.out.println(executionResult.getData().toString());
        // Prints: {hello=world}
    }
}

// build.gradle.kts
implementation("com.expediagroup", "graphql-kotlin-spring-server", latestVersion)

graphql:
  packages:
    - "com.your.package"

@Component
class HelloWorldQuery : Query {
  fun helloWorld() = "Hello World!!!"
}

type Query {
  helloWorld: String!
}

data class Article(val id: Int, val text: String)
 
fun main() {
    val schema = KGraphQL.schema {
        query("article") {
            resolver { id: Int?, text: String ->
                Article(id ?: -1, text)
            }
        }
        type<Article> {
            property<String>("fullText") {
                resolver { article: Article ->
                    "${article.id}: ${article.text}"
                }
            }
        }
    }
 
    schema.execute("""
        {
            article(id: 5, text: "Hello World") {
                id
                fullText
            }
        }
    """).let(::println)
}

fun Application.module() {
  install(GraphQL) {
    playground = true
    schema {
      query("hello") {
        resolver { -> "World!" }
      }
    }
  }
}

@Controller
public class GreetingController {
 
    @QueryMapping
    public String hello() {
        return "Hello, world!";
    }
 
}

using Pkg; Pkg.add("GraphQLClient")
using GraphQLClient

client = Client("https://countries.trevorblades.com")

Country = GraphQLClient.introspect_object(client, "Country")

response = query(client, "countries", Vector{Country}, output_fields="name")

query_string = """
    {
    countries{
        name
    }
}"""
 
response = GraphQLClient.execute(client, query_string)

# npm
npx @gqty/cli
 
# yarn
yarn dlx @gqty/cli
 
# pnpm
pnpm dlx @gqty/cli

npm install @graphql-box/core @graphql-box/client @graphql-box/request-parser @graphql-box/cache-manager @graphql-box/debug-manager @graphql-box/fetch-manager @graphql-box/helpers @cachemap/core @cachemap/reaper @cachemap/indexed-db @cachemap/constants @cachemap/types

import Cachemap from "@cachemap/core"
import indexedDB from "@cachemap/indexed-db"
import reaper from "@cachemap/reaper"
import CacheManager from "@graphql-box/cache-manager"
import Client from "@graphql-box/client"
import DebugManager from "@graphql-box/debug-manager"
import FetchManager from "@graphql-box/fetch-manager"
import RequestParser from "@graphql-box/request-parser"
import introspection from "./introspection-query"
 
const requestManager = new FetchManager({
  apiUrl: "/api/graphql",
  batchRequests: true,
  logUrl: "/log/graphql",
})
 
const client = new Client({
  cacheManager: new CacheManager({
    cache: new Cachemap({
      name: "client-cache",
      reaper: reaper({ interval: 300000 }),
      store: indexedDB(/* configure */),
    }),
    cascadeCacheControl: true,
    typeCacheDirectives: {
      // Add any type specific cache control directives in the format:
      // TypeName: "public, max-age=3",
    },
  }),
  debugManager: new DebugManager({
    environment: "client",
    log: (message, data, logLevel) => {
      requestManager.log(message, data, logLevel)
    },
    name: "CLIENT",
    performance: self.performance,
  }),
  requestManager,
  requestParser: new RequestParser({ introspection }),
})
 
// Meanwhile... somewhere else in your code
 
const { data, errors } = await client.request(queryOrMutation)

npm install graphql-hooks

import { GraphQLClient, ClientContext } from "graphql-hooks"
 
const client = new GraphQLClient({
  url: "/graphql",
})
 
function App() {
  return (
    <ClientContext.Provider value={client}>
      {/* children */}
    </ClientContext.Provider>
  )
}

import { useQuery } from "graphql-hooks"
 
const HOMEPAGE_QUERY = `query HomePage($limit: Int) {
  users(limit: $limit) {
    id
    name
  }
}`
 
function MyComponent() {
  const { loading, error, data } = useQuery(HOMEPAGE_QUERY, {
    variables: {
      limit: 10,
    },
  })
 
  if (loading) return "Loading..."
  if (error) return "Something Bad Happened"
 
  return (
    <ul>
      {data.users.map(({ id, name }) => (
        <li key={id}>{name}</li>
      ))}
    </ul>
  )
}

npm install @apollo/server graphql

import { ApolloServer } from "@apollo/server"
import { startStandaloneServer } from "@apollo/server/standalone"
 
// The GraphQL schema
const typeDefs = `#graphql
  type Query {
    hello: String
  }
`
 
// A map of functions which return data for the schema.
const resolvers = {
  Query: {
    hello: () => "world",
  },
}
 
const server = new ApolloServer({
  typeDefs,
  resolvers,
})
 
const { url } = await startStandaloneServer(server)
console.log(`🚀 Server ready at ${url}`)

npm install @graphql-box/core @graphql-box/server @graphql-box/client @graphql-box/request-parser @graphql-box/cache-manager @graphql-box/debug-manager @graphql-box/execute @graphql-box/helpers @cachemap/core @cachemap/reaper @cachemap/redis @cachemap/constants @cachemap/types

import Cachemap from "@cachemap/core"
import redis from "@cachemap/redis"
import reaper from "@cachemap/reaper"
import CacheManager from "@graphql-box/cache-manager"
import Client from "@graphql-box/client"
import DebugManager from "@graphql-box/debug-manager"
import Execute from "@graphql-box/execute"
import RequestParser from "@graphql-box/request-parser"
import Server from "@graphql-box/server"
import { makeExecutableSchema } from "@graphql-tools/schema"
import { performance } from "perf_hooks"
import { schemaResolvers, schemaTypeDefs } from "./schema"
import logger from "./logger"
 
const schema = makeExecutableSchema({
  typeDefs: schemaTypeDefs,
  resolvers: schemaResolvers,
})
 
const server = new Server({
  client: new Client({
    cacheManager: new CacheManager({
      cache: new Cachemap({
        name: "server-cache",
        reaper: reaper({ interval: 300000 }),
        store: redis(/* configure */),
      }),
      cascadeCacheControl: true,
      typeCacheDirectives: {
        // Add any type specific cache control directives in the format:
        // TypeName: "public, max-age=3",
      },
    }),
    debugManager: new DebugManager({
      environment: "server",
      log: (...args) => {
        logger.log(...args)
      },
      name: "SERVER",
      performance,
    }),
    requestManager: new Execute({ schema }),
    requestParser: new RequestParser({ schema }),
  }),
})
 
// Meanwhile... somewhere else in your code
 
app.use("api/graphql", graphqlServer.request())

npm install graphql

var { graphql, buildSchema } = require("graphql")
 
var schema = buildSchema(`
  type Query {
    hello: String
  }
`)
 
var rootValue = { hello: () => "Hello world!" }
 
var source = "{ hello }"
 
graphql({ schema, source, rootValue }).then(response => {
  console.log(response)
})

npm install graphql-yoga graphql

import { createServer } from "http"
import { createSchema, createYoga } from "graphql-yoga"
 
createServer(
  createYoga({
    schema: createSchema({
      typeDefs: /* GraphQL */ `
        type Query {
          hello: String
        }
      `,
      resolvers: {
        Query: {
          hello: () => "Hello Hello Hello",
        },
      },
    }),
  }),
).listen(4000, () => {
  console.info("GraphQL Yoga is listening on http://localhost:4000/graphql")
})

npm install fastify mercurius

const Fastify = require("fastify")
const mercurius = require("mercurius")
 
const schema = `
  type Query {
    hello(name: String): String!
  }
`
 
const resolvers = {
  Query: {
    hello: async (_, { name }) => `hello ${name || "world"}`,
  },
}
 
const app = Fastify()
app.register(mercurius, {
  schema,
  resolvers,
})
 
app.listen(3000)
 
// Call IT!
// curl 'http://localhost:3000/graphql' \
//  -H 'content-type: application/json' \
//  --data-raw '{"query":"{ hello(name:\"Marcurius\") }" }'

npm create pylon@latest

import { app } from "@getcronit/pylon"
 
class User {
  name: string
  email: string
  constructor(name: string, email: string) {
    this.name = name
    this.email = email
  }
}
 
const users = [
  new User("Alice", "alice@example.com"),
  new User("Bob", "bob@example.com"),
  new User("Charlie", "charlie@example.com"),
]
 
export const graphql = {
  Query: {
    users,
    user: (name: string) => {
      return users.find(user => user.name === name)
    },
  },
  Mutation: {
    addUser: (name: string, email: string) => {
      const user = new User(name, email)
      users.push(user)
      return user
    },
  },
}
 
export default app

query User {
  user(name: "Alice") {
    name
    email
  }
}
 
query Users {
  users {
    name
    email
  }
}
 
mutation AddUser {
  addUser(name: "Corina", email: "corina@example.com") {
    name
    email
  }
}

query {
  heroes(_layout: { type: table }) { # _layout arg not sent to service
    first
    last
  }
}

import { ApolloServer } from "apollo-server"
import SchemaBuilder from "@giraphql/core"
 
const builder = new SchemaBuilder({})
 
builder.queryType({
  fields: t => ({
    hello: t.string({
      args: {
        name: t.arg.string({}),
      },
      resolve: (parent, { name }) => `hello, ${name || "World"}`,
    }),
  }),
})
 
new ApolloServer({
  schema: builder.toSchema({}),
}).listen(3000)

const { ApolloServer } = require("apollo-server")
const { makeExecutableSchema } = require("@graphql-tools/schema")
 
const typeDefs = `
type Query {
  hello(name: String): String
  bye(name: String): String
}
`
const resolvers = {
  Query: {
    hello: (root, args, context, info) => {
      console.log(`3. resolver: hello`)
      return `Hello ${args.name ? args.name : "world"}!`
    },
    bye: (root, args, context, info) => {
      console.log(`3. resolver: bye`)
      return `Bye ${args.name ? args.name : "world"}!`
    },
  },
}
 
const logInput = async (resolve, root, args, context, info) => {
  console.log(`1. logInput: ${JSON.stringify(args)}`)
  const result = await resolve(root, args, context, info)
  console.log(`5. logInput`)
  return result
}
 
const logResult = async (resolve, root, args, context, info) => {
  console.log(`2. logResult`)
  const result = await resolve(root, args, context, info)
  console.log(`4. logResult: ${JSON.stringify(result)}`)
  return result
}
 
const schema = makeExecutableSchema({ typeDefs, resolvers })
 
const schemaWithMiddleware = applyMiddleware(schema, logInput, logResult)
 
const server = new ApolloServer({
  schema: schemaWithMiddleware,
})
 
await server.listen({ port: 8008 })

import { rule, shield, and, or, not } from "graphql-shield"
 
// Rules
 
const isAuthenticated = rule({ cache: "contextual" })(async (
  parent,
  args,
  ctx,
  info,
) => {
  return ctx.user !== null
})
 
const isAdmin = rule({ cache: "contextual" })(async (
  parent,
  args,
  ctx,
  info,
) => {
  return ctx.user.role === "admin"
})
 
const isEditor = rule({ cache: "contextual" })(async (
  parent,
  args,
  ctx,
  info,
) => {
  return ctx.user.role === "editor"
})
 
// Permissions
 
const permissions = shield({
  Query: {
    frontPage: not(isAuthenticated),
    fruits: and(isAuthenticated, or(isAdmin, isEditor)),
    customers: and(isAuthenticated, isAdmin),
  },
  Mutation: {
    addFruitToBasket: isAuthenticated,
  },
  Fruit: isAuthenticated,
  Customer: isAdmin,
})
 
// Server
 
const server = new GraphQLServer({
  typeDefs,
  resolvers,
  middlewares: [permissions],
  context: req => ({
    ...req,
    user: getUser(req),
  }),
})

npm install microfiber
# OR
yarn add microfiber

import { Microfiber } from "microfiber"
 
const introspectionQueryResults = {
  // ...
}
 
const microfiber = new Microfiber(introspectionQueryResults)
 
// ...do some things to your schema with `microfiber`
 
const cleanedIntrospectonQueryResults = microfiber.getResponse()

npm install --dev spectaql
# OR
yarn add -D spectaql
 
# Then generate your docs
npm run spectaql my-config.yml
# OR
yarn spectaql my-config.yml

<?php
 
namespace AppEntity;
 
use ApiPlatformCoreAnnotationApiResource;
use DoctrineORMMapping as ORM;
 
/**
 * Greet someone!
 *
 * @ApiResource
 * @ORMEntity
 */
class Greeting
{
    /**
     * @ORMId
     * @ORMColumn(type="guid")
     */
    public $id;
 
    /**
     * @var string Your nice message
     *
     * @ORMColumn
     */
    public $hello;
}

use Jerowork\GraphqlAttributeSchema\Attribute\Enum;
use Jerowork\GraphqlAttributeSchema\Attribute\Field;
use Jerowork\GraphqlAttributeSchema\Attribute\InputType;
use Jerowork\GraphqlAttributeSchema\Attribute\Mutation;
use Jerowork\GraphqlAttributeSchema\Attribute\Query;
use Jerowork\GraphqlAttributeSchema\Attribute\Type;
 
final readonly class CreateUserMutation
{
    #[Mutation]
    public function createUser(CreateUserInputType $input): User
    {
        // Business logic to create a user
    }
}
 
final readonly class UserQuery
{
    #[Query(description: 'Get a user')]
    public function user(int $userid): User
    {
        // Fetch and return user data
    }
}
 
#[InputType]
final readonly class CreateUserInputType
{
    public function __construct(
        #[Field]
        public int $userId,
        #[Field]
        public string $name,
        #[Field(name: 'phoneNumber')]
        public ?string $phone,
    ) {}
}
 
#[Type]
final readonly class User
{
    // Define fields as class properties
    public function __construct(
        #[Field]
        public int $userId,
        #[Field]
        public string $name,
        public ?string $phone,
        #[Field(description: 'The status of the user')]
        public UserStatusType $status,
    ) {}
 
    // Define fields with methods for additional logic
    #[Field]
    public function getPhoneNumber(): string
    {
        return sprintf('+31%s', $this->phone);
    }
}
 
#[Enum(description: 'The status of the user')]
enum UserStatusType: string
{
    case Created = 'CREATED';
    case Removed = 'REMOVED';
}

type Mutation {
  createUser(input: CreateUserInput!): User!
}
 
type Query {
  user(userId: Int!): User!
}
 
input CreateUserInput {
  userId: Int!
  name: String!
  phoneNumber: String
}
 
type User {
  userId: Int!
  name: String!
  status: UserStatus!
  phoneNumber: String
}
 
enum UserStatus {
  CREATED
  REMOVED
}

class ProductController
{
    /**
     * @Query()
     */
    public function product(string $id): Product
    {
        // Some code that looks for a product and returns it.
    }
}
 
/**
 * @Type()
 */
class Product
{
    /**
     * @Field()
     */
    public function getName(): string
    {
        return $this->name;
    }
    // ...
}

type Query {
  hello: String
}

<?php
declare(strict_types=1);
require_once '/path/to/vendor/autoload.php';
 
use SilerDiactoros;
use SilerGraphql;
use SilerHttp;
 
$typeDefs = file_get_contents(__DIR__.'/schema.graphql');
$resolvers = [
    'Query' => [
        'hello' => 'world',
    ],
];
$schema = Graphqlschema($typeDefs, $resolvers);
 
echo "Server running at http://127.0.0.1:8080";
 
Httpserver(Graphqlpsr7($schema), function (Throwable $err) {
    var_dump($err);
    return Diactorosjson([
        'error'   => true,
        'message' => $err->getMessage(),
    ]);
})()->run();

$ pip install ariadne-codegen

mutation CreateToken($username: String!, $password: String!) {
  createToken(username: $username, password: $password) {
    token
    errors {
      field
      message
    }
  }
}

[ariadne-codegen]
queries_path = "queries.graphql"
remote_schema_url = "http://example.com/graphql/"

$ ariadne-codegen

from graphql_client import Client
 
with Client("http://example.com/graphql/") as client:
    result = client.create_token(username="Admin", password="Example123)
 
    if result.errors:
        error = result.errors[0]
        raise ValidationError({error.field: error.message})
 
    auth_token = result.token

$ pip install graphql_query

{
  hero {
    name
  }
}

from graphql_query import Operation, Query
 
hero = Query(name="hero", fields=["name"])
operation = Operation(type="query", queries=[hero])
 
print(operation.render())
"""
query {
  hero {
    name
  }
}
"""

query Hero($episode: Episode, $withFriends: Boolean!) {
  hero(episode: $episode) {
    name
    friends @include(if: $withFriends) {
      name
    }
  }
}