apollo graphql server

apollo graphql server

 

 

mkdir graphql-server-example

cd graphql-server-example

 

npm init --yes

 

npm install apollo-server graphql

touch index.js

 

const { ApolloServer, gql } = require('apollo-server');

// A schema is a collection of type definitions (hence "typeDefs")

// that together define the "shape" of queries that are executed against

// your data.

const typeDefs = gql`

  # Comments in GraphQL strings (such as this one) start with the hash (#) symbol.

  # This "Book" type defines the queryable fields for every book in our data source.

  type Book {

    title: String

    author: String

  }

  # The "Query" type is special: it lists all of the available queries that

  # clients can execute, along with the return type for each. In this

  # case, the "books" query returns an array of zero or more Books (defined above).

  type Query {

    books: [Book]

  }

`;

const books = [

    {

        title: 'The Awakening',

        author: 'Kate Chopin',

    },

    {

        title: 'City of Glass',

        author: 'Paul Auster',

    },

];

// Resolvers define the technique for fetching the types defined in the

// schema. This resolver retrieves books from the "books" array above.

const resolvers = {

    Query: {

      books: () => books,

    },

};

// The ApolloServer constructor requires two parameters: your schema

// definition and your set of resolvers.

const server = new ApolloServer({ typeDefs, resolvers });

// The `listen` method launches a web server.

server.listen().then(({ url }) => {

  console.log(`🚀  Server ready at ${url}`);

});

 

node index.js

 

🚀 Server ready at http://localhost:4000/

 

 

https://www.apollographql.com/docs/apollo-server/getting-started

Get started with Apollo Server