GraphQL_Query est une chaîne=[
{"query": "query getSingleCourse($courseID: Int!) {course(id: $courseID) {title\r\nauthor\r\ndescription\r\ntopic\r\nurl\r\n}}","variables": {"courseID": 1}}
]
GraphQL_Request est un restRequête
GraphQL_Request..URL = "http://localhost:4000/graphql"
GraphQL_Request..Méthode = httpPost
GraphQL_Request..ContentType="application/json"
Info(Taille(GraphQL_Query))

GraphQL_Request..Contenu =GraphQL_Query //ChaîneVersUTF8(s_graphql_query)
GraphQL_Respons est un restRéponse = RESTEnvoie(GraphQL_Request)
SI ErreurDétectée ALORS
Erreur(ErreurInfo(errComplet))
SINON
Info("réponse: "+GraphQL_Respons..Contenu)
FIN

var express = require('express');
var express_graphql = require('express-graphql');
var { buildSchema } = require('graphql');
// GraphQL schema
var schema = buildSchema(`
type Query {
course(id: int!): Course
courses(topic: string): [Course]
},
type Course {
id: int
title: string
author: string
Description: string
topic: string
url: string
}
`);
var coursesData = [
{
id: 1,
title: 'The Complete Node.js Developer Course',
author: 'Andrew Mead, Rob Percival',
description: 'Learn Node.js by building real-world applications with Node, Express, MongoDB, Mocha, and more!',
topic: 'Node.js',
url: 'https://codingthesmartway.com/courses/nodejs/'
},
{
id: 2,
title: 'Node.js, Express & MongoDB Dev to Deployment',
author: 'Brad Traversy',
description: 'Learn by example building & deploying real-world Node.js applications from absolute scratch',
topic: 'Node.js',
url: 'https://codingthesmartway.com/courses/nodejs-express-mongodb/'
},
{
id: 3,
title: 'JavaScript: Understanding The Weird Parts',
author: 'Anthony Alicea',
description: 'An advanced JavaScript course for everyone! Scope, closures, prototypes, this, build your own framework, and more.',
topic: 'JavaScript',
url: 'https://codingthesmartway.com/courses/understand-javascript/'
}
]
var getCourse = FUNCTION(args) {
var id = args.id;
RETURN coursesData.filter(course => {
RETURN course.id == id;
})[0];
}
var getCourses = FUNCTION(args) {
IF (args.topic) {
var topic = args.topic;
RETURN coursesData.filter(course => course.topic === topic);
} ELSE {
RETURN coursesData;
}
}
var Root = {
course: getCourse,
courses: getCourses
};
// Create an express server and a GraphQL endpoint
var app = express();
app.use('/graphql', express_graphql({
schema: schema,
rootValue: Root,
graphiql: True
}));
app.listen(4000, () => console.log('Express GraphQL Server Now Running On localhost:4000/graphql'));

sXGraphQL_Query is string=[
{"mutation": "mutation Authenticate($data: AuthInput!) {authenticate(data: $data) { token \r }}","variables": {"data": { email: "example@example.com", password: "123"}}}
]
cMyrequest is a httpRequest
cMyrequest..Method = httpPost
cMyrequest..URL = gsUrl
cMyrequest.IgnoreError = httpIgnoreExpiredCertificate
cMyrequest..ContentType = "application/json"
cMyrequest..Content = StringToUTF8( sXGraphQL_Query )
cMyResponse is a httpResponse = RESTSend(cMyrequest)

IF ErrorOccurred THEN
Error(ErrorInfo(errFullDetails))
END