What is context in Apollo server?

What is context in Apollo server?

context. Object or Function. An object (or a function that creates an object) that’s passed to every resolver that executes for a particular operation. This enables resolvers to share helpful context, such as a database connection. Certain fields are added to this object automatically, depending on which Node.

How do you set up Apollo?

Get started with Apollo Server

  1. Step 1: Create a new project.
  2. Step 2: Install dependencies.
  3. Step 3: Define your GraphQL schema.
  4. Step 4: Define your data set.
  5. Step 5: Define a resolver.
  6. Step 6: Create an instance of ApolloServer.
  7. Step 7: Start the server.
  8. Step 8: Execute your first query.

What is Apollo State?

At its core, Apollo Client is a state management library that happens to use GraphQL to interact with a remote server. Apollo Client enables you to manage local state alongside remotely fetched state, meaning you can interact with all of your application’s state with a single API.

What is local state management?

Relay can be used to read and write local data, and act as a single source of truth for all data in your client application. The Relay Compiler fully supports client-side extensions of the schema, which allows you to define local fields and types. Extending the client schema. …

Is Apollo a middleware?

Essentially, apollo-server is still a middleware that bridges the HTTP layer with the GraphQL engine provided by GraphQL. js.

Does Apollo use Express?

Today we learned about Apollo Server and how to define a schema with its corresponding resolvers. We also set up a GraphQL server using Express. js as middleware. Using Express has a few advantages, one of which is being able to serve both REST and GraphQL at the same time.

What is Apollo angular?

Apollo Angular is the ultra-flexible, community driven GraphQL client for Angular, JavaScript, and native platforms. It is designed from the ground up to make it easy to build UI components that fetch data with GraphQL. To get started with the Angular integration, go to Get Started.

What is Apollo playground?

GraphQL Playground is a graphical, interactive, in-browser GraphQL IDE, created by Prisma and based on GraphiQL. In development, Apollo Server enables GraphQL Playground on the same URL as the GraphQL server itself (e.g. http://localhost:4000/graphql ) and automatically serves the GUI to web browsers.

What is Apollo boost?

Apollo Boost is a zero-config way to start using Apollo Client. It includes some sensible defaults, such as our recommended InMemoryCache and HttpLink , which come configured for you with our recommended settings.

What does local state mean?

From Longman Dictionary of Contemporary Englishat local/state/national etc levelat local/state/national etc levelhappening within a small area or the whole area of a state, country etc These changes are taking place at regional level.

Does Apollo client replace redux?

NO. APOLLO GRAPHQL REPLACES THE NEED FOR REDUX ENTIRELY.

What is Apollo Server Micro?

apollo-server-micro is the GraphQL server for Micro, a Node. js web framework.

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