refactor(examples): add rtk-query-polling to workspace

Other changes:

* docs(rtk-query-polling): add README.md

package.json

@@ -69,6 +69,7 @@
     "packages/react-json-tree/examples",
     "packages/redux-devtools/examples/counter",
     "packages/redux-devtools/examples/todomvc",
+    "packages/redux-devtools/examples/rtk-query-polling",
     "packages/redux-devtools-slider-monitor/examples/todomvc"
   ],
   "engines": {

packages/redux-devtools/examples/rtk-query-polling/.env

@@ -1 +1,4 @@
 SKIP_PREFLIGHT_CHECK=true
+REACT_APP_REMOTE_DEV_TOOLS_PORT=8000
+REACT_APP_REMOTE_DEV_TOOLS_HOST=localhost
+PORT=3002

packages/redux-devtools/examples/rtk-query-polling/README.md

@@ -0,0 +1,17 @@
+# rtk-query polling example
+
+## Description
+
+A copy of https://github.com/reduxjs/redux-toolkit/tree/master/examples/query/react/polling that
+adds a connection via `remote-redux-devtools` to a devtools server.
+
+## Run example
+
+```bash
+yarn lerna run --parallel start \
+  --scope 'rtk-query-polling' \
+  --scope '@redux-devtools/app' \
+  --scope '@redux-devtools/cli'
+```
+
+Runs the example at `localhost:3002`, `app` at `localhost:3000` and remote server at `8000`.

packages/redux-devtools/examples/rtk-query-polling/package.json

@@ -1,8 +1,8 @@
 {
-  "name": "rtk-query-example-polling",
+  "name": "rtk-query-polling",
   "version": "1.0.0",
   "private": true,
-  "description": "",
+  "description": "A redux app powered by rtk-query connected via remote-redux-devtools",
   "keywords": [],
   "main": "src/index.tsx",
   "dependencies": {

packages/redux-devtools/examples/rtk-query-polling/src/store.ts

@@ -2,6 +2,8 @@ import { configureStore } from '@reduxjs/toolkit'
 import { pokemonApi } from './services/pokemon'
 import devToolsEnhancer from 'remote-redux-devtools';
 
+const remotePort = Number(process.env.REACT_APP_REMOTE_DEV_TOOLS_PORT) ?? 8000;
+const remoteHostname = process.env.REACT_APP_REMOTE_DEV_TOOLS_HOST ?? 'localhost';
 
 export const store = configureStore({
   reducer: {
@@ -11,5 +13,5 @@ export const store = configureStore({
   // adding the api middleware enables caching, invalidation, polling and other features of `rtk-query`
   middleware: (getDefaultMiddleware) =>
     getDefaultMiddleware().concat(pokemonApi.middleware),
-  enhancers : [devToolsEnhancer({ port: 8000, hostname: 'localhost' })]
+  enhancers : [devToolsEnhancer({ port: remotePort, hostname: remoteHostname })]
 })