js, the schema must now be imported from the file src /schema. Also, all operations are sent to the same endpoint no matter what data you're trying to query or mutate.Īn example of such a document containing a query operation would be: query = require ( 'graphql' ) // Construct a schema, using GraphQL schema language const schema = buildSchema ( ` These three types of operations all use the GraphQL query language to return the same predictable format. GraphQL can best be described as a query language for APIs that works with the principle 'Ask for what you need, get exactly that.' With GraphQL, you can send so-called documents containing operations (either queries, mutations, or subscriptions) to a GraphQL server, and the response of the server will follow the same structure of those documents. If you're already familiar with GraphQL and its principles, you can immediately proceed to the next section of this tutorial. But to build this server, you need to learn more about what GraphQL is and how it works. In this tutorial, you'll build a GraphQL server with Node.js that uses Auth0 to handle authentication and authorization.

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Express graphql