graphql_context.js

// Resolver to match the GraphQL query and return data
const resolvers = {
    Query: {
        blogs(root, args, context, info) {
            context.requestCount++;
            console.log(`Request Time ${context.requestTime}, Total Requests: ${context.requestCount}`);
            return blogsData
        },
        blog(root, {_id}, context, info){
            context.requestCount++;
            console.log(`Request Time ${context.requestTime}, Total Requests: ${context.requestCount}`);
            return blogsData.find((b) => b._id == _id);
        }
    }
};

// Build the schema with Type Definitions and Resolvers
const schema = graphqlTools.makeExecutableSchema({typeDefs, resolvers});

app.use('/graphiql', graphql({
    graphiql: true,
    schema,
    context: {
        requestTime: Date.now(),
        requestCount: 0
    }
}));