Use new KeyValueCache and friends from @apollo/utils.keyvaluecache (

#6522)

Migrate caching dependencies away from `apollo-server-caching` which will
no longer be actively developed as of AS v3.9.0.

AS will now use `@apollo/utils.keyvaluecache` and support the use of `keyv`
caches via a `KeyvAdapter` exported by `@apollo/utils.keyvadapter`.

.prettierignore

@@ -10,3 +10,5 @@ docs/.cache/
 
 # Don't format generated files!
 **/generated/**
+
+.volta

CHANGELOG.md

@@ -7,8 +7,11 @@ The version headers in this history reflect the versions of Apollo Server itself
 - [`@apollo/gateway`](https://github.com/apollographql/federation/blob/HEAD/gateway-js/CHANGELOG.md)
 - [`@apollo/federation`](https://github.com/apollographql/federation/blob/HEAD/federation-js/CHANGELOG.md)
 
+
 ## vNEXT
 
+- Remove internal dependency on `apollo-server-caching`, switch over to `@apollo/utils.keyvaluecache`. This PR specifically also introduces Keyv as an unbounded cache solution, but will replace with our own simple implementation in a follow-up PR targeting this minor version release. [PR #6522](https://github.com/apollographql/apollo-server/pull/6522)
+
 ## v3.8.2
 
 - `apollo-server-core`: Fix usage reporting plugin "willResolveField called after stopTiming!" error caused by a race condition related to null bubbling. [Issue #4472](https://github.com/apollographql/apollo-server/issues/4472) [PR #6398](https://github.com/apollographql/apollo-server/pull/6398)
@@ -92,7 +95,7 @@ The version headers in this history reflect the versions of Apollo Server itself
   new ApolloServer({
     documentStore: new InMemoryLRUCache<DocumentNode>({
       maxSize: Math.pow(2, 20) * approximateDocumentStoreMiB,
-      sizeCalculator: InMemoryLRUCache.jsonBytesSizeCalculator,
+      sizeCalculator: InMemoryLRUCache.sizeCalculator,
     }),
     ...moreOptions,
   })

cspell-dict.txt

@@ -79,6 +79,8 @@ iteratees
 josephg
 jsdelivr
 keyv
+keyvadapter
+keyvaluecache
 KHTML
 Kubernetes
 linearizability

docs/source/api/apollo-server.mdx

@@ -209,12 +209,12 @@ To use `InMemoryLRUCache` but change its size to an amount `approximateDocumentS
 <div style="max-width: 400px;">
 
 ```typescript
-import { InMemoryLRUCache } from 'apollo-server-caching';
+import { InMemoryLRUCache } from '@apollo/utils.keyvaluecache';
 import type { DocumentNode } from 'graphql';
 new ApolloServer({
   documentStore: new InMemoryLRUCache<DocumentNode>({
     maxSize: Math.pow(2, 20) * approximateDocumentStoreMiB,
-    sizeCalculator: InMemoryLRUCache.jsonBytesSizeCalculator,
+    sizeCalculation: InMemoryLRUCache.sizeCalculation,
   }),
   // ...
 })