GraphQL. 03 — Schemas y GraphiQL - 05

schema.js

const graphql = require('graphql');
const {
  GraphQLObjectType,
  GraphQLString,
  // Importamos GraphQL Schema de GraphQL mediante destructuring
  GraphQLSchema
} = graphql;

const users = [
  { id: '1', firstName: 'Ivan', lastName: 'Bacallado', country: 'España' },
  { id: '2', firstName: 'Ana', lastName: 'Lopez', country: 'Mexico' },
  { id: '3', firstName: 'Bill', lastName: 'Thomson', country: 'EEUU' },
  { id: '4', firstName: 'Maximilian', lastName: 'Lahm', country: 'Alemania' },
];

const UserType = new GraphQLObjectType({
  name: 'User',
  fields: {
    id: { type: GraphQLString },
    firstName: { type: GraphQLString },
    lastName: { type: GraphQLString },
    country: { type: GraphQLString }
  }
})

const RootQuery = new GraphQLObjectType({
  name: 'RootQueryType',
  fields: {
    user: {
      type: UserType,
      args: { id: { type: GraphQLString }},
      resolve(parentValue, args){
        return users.find((user) => user.id === args.id);
      }
    }
  }
})

// Exportamos nuestro schema
module.exports = new GraphQLSchema({
  query: RootQuery
});