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1. import { ApolloLink, HttpLink, from, split, execute } from '@apollo/client'; Copy. As part of migrating, we recommend removing all apollo-link, apollo-link-http, and apollo-link-http-common dependencies. If you want to configure your own link chain, the ApolloClient constructor still accepts a link option.
Build a project with Apollo. Introduction 1. Configure your project 2. Add the GraphQL schema 3. Write your first query 4. Running code generation 5. Execute your first query 6. Connect your queries to your UI 7. Add more info to the list 8.
Mar 31, 2021 · About 8 months ago apollo-client had a major release and we were excited to try out the new features especially the local fields and the reactive variables. While their migrating guide does an…
Oct 25, 2017 · One of the most important features of Apollo Client 2.0 is the move to a network layer powered by observables, instead of promises. This is a subtle change that opens the door to an entire new ...
- Basic Changes
- Plugin Changes
- Server Changes
- Conclusion
The apollo-server library is now @apollo/server
In Apollo Server 3, you depended on version 3.x of the apollo-server library and any supporting libraries, like apollo-server-errors or apollo-server-core. In Apollo Server 4, everything is published in a single, namespaced library. You only have to depend on version 4.x of @apollo/server.
New startStandaloneServer method
In Apollo Server 3, the apollo-server library wrapped apollo-server-express and offered a “batteries-included” HTTP server for handling GraphQL requests. In Apollo Server 4, the “batteries-included” approach is now startStandaloneServer. Migrating to this new method is straightforward and well-described in the migration guide. At Propel, we tried to use this new method; however, for reasons described below, we ultimately needed to use expressMiddleware.
The gql template literal tag has been removed
In Apollo Server 3, you could import the gql template literal tag directly from the apollo-server library. This template literal tag is provided by the graphql-tag libraryand allows parsing a GraphQL query string to an AST that can be used by Apollo and other GraphQL libraries. In Apollo Server 4, this template literal tag is no longer exported. In fact, it’s no longer depended on by the @apollo/server library at all. At Propel, we had a few usages of gqlin our backend, so we had to add a dep...
Plugin error-handling has changed
In Apollo Server 3, plugins could receive the incoming request object in their requestDidStartmethod. At Propel, we used this to build an authentication and authorization plugin (our “AuthPlugin”). Our AuthPlugin determines if incoming requests are authentic and if they are authorized. If an incoming request is inauthentic or unauthorized, we throw an HttpQueryError with status code 403. This would cause Apollo Server to return a 403 Unauthorized HTTP response back to the user. It looked some...
Plugins no longer receive the request URL
In Apollo Server 3, the incoming request object passed to requestDidStartincluded a URL property. Our AuthPlugin would read the request’s URL and headers to determine if the request was authentic and authorized. In Apollo Server 4, this URL property has been removed. I was curious about this change, so I asked about it on Apollo Server’s GitHub repository. Apollo Server contributor @glasser helpfully pointed out that the URL was still accessible in Apollo Server’s context function. Because w...
HTTP-level health check endpoint removed
In Apollo Server 3, there was an HTTP-level health check endpoint included at /.well-known/apollo/server-health. This would return 200 OK for any GET request. While too simple to evaluate if the server process was truly healthy, it did indicate whether the Node.js process and HTTP server were running. At Propel, we deploy our GraphQL API servers as Fargate tasks behind Application Load Balancers (ALBs), so this was a natural choice to configure as our target groups’ health check endpoint: In...
Migrating from Apollo Server 3 to Apollo Server 4 took us less than a week, and we received a lot of help from Apollo’s own migration guide as well as on Apollo Server’s GitHub issues tracker. If any of this interests you — be it GraphQL or in-product analytics — reach out, follow us on Twitter @PropelDataCloud, or subscribe to our email newsletter...
May 17, 2021 · When you stack Apollo Client and urql against each other, you’ll start wondering why Apollo Client has been so popular in the first place. Bye Apollo Client 👋, hello urql. As I’m writing this, the Apollo Client Github repository issue count stands at 795. In comparison, urql has 16. “But issue count doesn’t correlate to code quality ...
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Jan 31, 2024 · web, client. jerelmiller January 31, 2024, 8:43pm 1. Excited to announce the release of Apollo Client 3.9. We’ve got a number of new improvements including: Suspense-enabled data fetching in response to user interaction with useLoadableQuery. Preloading data outside of React with createQueryPreloader and preloadQuery. Memory usage optimizations.
