apollo server 4 modify context in plugin

Summary

Plugins for Apollo Server can be used to modify the context of a request. For example, the requestDidStart event can be used to modify the context of a request before it is processed. 1 Additionally, the willResolveField event can be used to modify the context of a request before a field is resolved. 1 2

According to
1 www.apollographql.com 2 www.apollographql.com


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Summary Apollo Server uses resolvers to populate data for fields in a schema in order to respond to requests for that data. Resolvers are defined in a JavaScript object called the resolver map, which contains top-level fields that correspond to the schema's types. Apollo Server automatically defines a default resolver for each field, and the resolvers can optionally accept four positional arguments.
Resolvers - Apollo GraphQL Docs
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apollographql.com
The drainServer event fires when Apollo Server is starting to shut down because ApolloServer.stop() has been invoked (either explicitly by your code, or by one ...
Apollo Server plugin event reference - Apollo GraphQL Docs
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import { ApolloServer } from '@apollo/server' ; import { startStandaloneServer } from '@apollo/server/standalone' ;
Authentication and authorization - Apollo GraphQL Docs
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apollographql.com
import { ApolloServerPluginDrainHttpServer } from '@apollo/server/plugin/drainHttpServer' ; 3 import { makeExecutableSchema } from '@graphql-tools/schema' ; 4 ...
Subscriptions in Apollo Server - Apollo GraphQL Docs
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apollographql.com
Apollo Client is a comprehensive state management library for JavaScript that enables you to manage both local and remote data with GraphQL. Use it to fetch, ...
Introduction to Apollo Client - Apollo GraphQL Docs
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In Apollo Server 4, the context function is a named argument passed into your web integration function (e.g., expressMiddleware or startStandaloneServer ). ...
Migrating to Apollo Server 4 - Apollo GraphQL Docs
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apollographql.com
const { ApolloServer } = require ( 'apollo-server' ) ; const typeDefs = require ( './schema' ) ;
Write query resolvers - Apollo GraphQL Docs
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apollographql.com
Making errors actionable on the client and server ... if you provide an Apollo API key to Apollo Server. To customize the usage reporting plugin's behavior, ...
Error handling - Apollo GraphQL Docs
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1 Answer. It's not ideal, but if you're trying to get past a block today, depending on how you're throwing errors, you can add additional information to the error itself.…
With Apollo Server v4, how to access context on error handling?
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stackoverflow.com