index.js

const { ApolloServer} = require('apollo-server');
const typeDefs = require('./db/schema');
const resolvers = require('./db/resolvers');
const conectarDB = require('./config/db')
const jwt = require('jsonwebtoken');
require('dotenv').config({ path: 'variables.env'});

//Conectar a la base de datos
conectarDB();

//Servidor
const server = new ApolloServer({
    typeDefs,
    resolvers,
    //Necesario para autenticación
    context: ({req}) => {
        //console.log(req.headers['authorization'])
        //console.log(req.headers);
        const token = req.headers['authorization'] || '';
        if(token){
            try{    
                const usuario = jwt.verify(token.replace('Bearer ', ''), process.env.SECRETA);
                console.log(usuario)
                return{
                    usuario
                }

            }catch(error){
                console.log('Hubo un error');
                console.log(error);
            }
        }
    }

});


//Arrancar el servidor:

server.listen({port: process.env.PORT || 4000}).then(({url}) => {
    console.log(`Servidor listo en la URL ${url}`) 
})