watchFragment fixes

.changeset/old-onions-sleep.md

@@ -0,0 +1,5 @@
+---
+"@apollo/client": patch
+---
+
+Export `WatchFragmentOptions` and `WatchFragmentResult` from main entrypoint and fix bug where `this` wasn't bound to the `watchFragment` method on `ApolloClient`.

src/cache/index.ts

@@ -1,6 +1,10 @@
 import "../utilities/globals/index.js";
 
-export type { Transaction } from "./core/cache.js";
+export type {
+  Transaction,
+  WatchFragmentOptions,
+  WatchFragmentResult,
+} from "./core/cache.js";
 export { ApolloCache } from "./core/cache.js";
 export { Cache } from "./core/types/Cache.js";
 export type { DataProxy } from "./core/types/DataProxy.js";

src/core/ApolloClient.ts

@@ -239,6 +239,7 @@ export class ApolloClient<TCacheShape> implements DataProxy {
     this.watchQuery = this.watchQuery.bind(this);
     this.query = this.query.bind(this);
     this.mutate = this.mutate.bind(this);
+    this.watchQuery = this.watchQuery.bind(this);
     this.resetStore = this.resetStore.bind(this);
     this.reFetchObservableQueries = this.reFetchObservableQueries.bind(this);