RxJS

config/helpers.ts

@@ -11,7 +11,7 @@ export function eachFile(dir: string, callback: (
 ) => any) {
   const promises: Promise<any>[] = [];
 
-  return new Promise((resolve, reject) => {
+  return new Promise<void>((resolve, reject) => {
     glob(`${dir}/**/*.js`, (error, files) => {
       if (error) return reject(error);
 

package.json

@@ -75,18 +75,16 @@
   },
   "dependencies": {
     "@graphql-typed-document-node/core": "^3.0.0",
-    "@types/zen-observable": "^0.8.0",
     "@wry/context": "^0.6.0",
     "@wry/equality": "^0.4.0",
     "fast-json-stable-stringify": "^2.0.0",
     "graphql-tag": "^2.12.0",
     "hoist-non-react-statics": "^3.3.2",
     "optimism": "^0.15.0",
     "prop-types": "^15.7.2",
-    "symbol-observable": "^2.0.0",
+    "rxjs": "^7.0.0",
     "ts-invariant": "^0.7.0",
-    "tslib": "^1.10.0",
-    "zen-observable": "^0.8.14"
+    "tslib": "^2.2.0"
   },
   "devDependencies": {
     "@babel/parser": "7.14.0",
@@ -121,12 +119,11 @@
     "rimraf": "3.0.2",
     "rollup": "1.31.1",
     "rollup-plugin-terser": "7.0.2",
-    "rxjs": "6.6.7",
     "subscriptions-transport-ws": "0.9.18",
     "terser": "5.7.0",
     "ts-jest": "26.5.5",
     "ts-node": "8.10.2",
-    "typescript": "3.9.9",
+    "typescript": "4.2.4",
     "wait-for-observables": "^1.0.3"
   },
   "publishConfig": {

src/__tests__/ApolloClient.ts

@@ -1,4 +1,5 @@
 import gql from 'graphql-tag';
+import { of } from 'rxjs';
 
 import {
   ApolloClient,
@@ -1185,7 +1186,7 @@ describe('ApolloClient', () => {
         },
       };
       const link = new ApolloLink(() => {
-        return Observable.of({ data });
+        return of({ data });
       });
       function newClient() {
         return new ApolloClient({

src/cache/inmemory/types.ts

@@ -95,7 +95,7 @@ export type OptimisticStoreItem = {
 export type ReadQueryOptions = {
   store: NormalizedCache;
   query: DocumentNode;
-  variables?: Object;
+  variables?: object;
   previousResult?: any;
   rootId?: string;
   config?: ApolloReducerConfig;