Extract React Application as a Feature (#7441)

* Fix webpack config for react Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Introduce package for discovering html elements in unit tests Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Switch to using discovery of html elements from package Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Introduce competition for starting react application inside the Feature Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Move stuff in application start to earlier timeslot having no real need to be done so late Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Switch to using react application root feature being more friendly to extending Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Switch to using more familiar pattern of higher order components for wrapping react application Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com> Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Adapt to more familiar pattern for higher order components Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> * Rename feature for clarity Signed-off-by: Janne Savolainen <janne.savolainen@live.fi> --------- Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>
2025-05-20 05:10:56 +00:00 · 2023-03-31 11:57:20 +03:00
1 parent 5827fc9d9a
commit b5e564271e
@@ -122,6 +122,7 @@
    "@hapi/subtext": "^7.1.0",
    "@k8slens/cluster-settings": "^6.5.0-alpha.1",
    "@k8slens/node-fetch": "^6.5.0-alpha.1",
+    "@k8slens/react-application": "^1.0.0-alpha.0",
    "@kubernetes/client-node": "^0.18.1",
    "@material-ui/styles": "^4.11.5",
    "@ogre-tools/fp": "^15.1.2",
@@ -190,6 +191,7 @@
  "devDependencies": {
    "@async-fn/jest": "1.6.4",
    "@k8slens/messaging-fake-bridge": "^1.0.0-alpha.1",
+    "@k8slens/react-testing-library-discovery": "^1.0.0-alpha.0",
    "@material-ui/core": "^4.12.3",
    "@material-ui/icons": "^4.11.2",
    "@material-ui/lab": "^4.0.0-alpha.60",
@@ -7,8 +7,8 @@ import type { IObservableValue } from "mobx";
 import { runInAction, computed, observable } from "mobx";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";
 import React from "react";

 describe("preferences: extension adding preference tabs", () => {
@@ -10,8 +10,8 @@ import { runInAction } from "mobx";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { preferenceItemInjectionToken } from "./renderer/preference-items/preference-item-injection-token";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("preferences - hiding-of-empty-branches, given in preferences page", () => {
  let builder: ApplicationBuilder;
@@ -7,8 +7,8 @@ import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import navigateToProxyPreferencesInjectable from "./common/navigate-to-proxy-preferences.injectable";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";
 import type { FakeExtensionOptions } from "../../renderer/components/test-utils/get-extension-fake";

 describe("preferences - navigation to application preferences", () => {
@@ -5,8 +5,8 @@
 import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("preferences - navigation to editor preferences", () => {
  let applicationBuilder: ApplicationBuilder;
@@ -8,8 +8,8 @@ import { getApplicationBuilder } from "../../renderer/components/test-utils/get-
 import React from "react";
 import "@testing-library/jest-dom/extend-expect";
 import type { FakeExtensionOptions } from "../../renderer/components/test-utils/get-extension-fake";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";
 import logErrorInjectable from "../../common/log-error.injectable";

 describe("preferences - navigation to extension specific preferences", () => {
@@ -7,8 +7,8 @@ import type { ApplicationBuilder } from "../../renderer/components/test-utils/ge
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import requestPublicHelmRepositoriesInjectable from "../helm-charts/child-features/preferences/renderer/adding-of-public-helm-repository/public-helm-repositories/request-public-helm-repositories.injectable";
 import getActiveHelmRepositoriesInjectable from "../../main/helm/repositories/get-active-helm-repositories/get-active-helm-repositories.injectable";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("preferences - navigation to kubernetes preferences", () => {
  let builder: ApplicationBuilder;
@@ -5,8 +5,8 @@
 import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("preferences - navigation to proxy preferences", () => {
  let applicationBuilder: ApplicationBuilder;
@@ -9,8 +9,8 @@ import { getApplicationBuilder } from "../../renderer/components/test-utils/get-
 import navigateToTelemetryPreferencesInjectable from "./common/navigate-to-telemetry-preferences.injectable";
 import sentryDataSourceNameInjectable from "../../common/vars/sentry-dsn-url.injectable";
 import type { FakeExtensionOptions } from "../../renderer/components/test-utils/get-extension-fake";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("preferences - navigation to telemetry preferences", () => {
  let builder: ApplicationBuilder;
@@ -5,8 +5,8 @@
 import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("preferences - navigation to terminal preferences", () => {
  let applicationBuilder: ApplicationBuilder;
@@ -6,8 +6,8 @@
 import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("preferences - navigation using application menu", () => {
  let applicationBuilder: ApplicationBuilder;
@@ -5,8 +5,8 @@
 import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";

 describe("show-about-using-tray", () => {
  let applicationBuilder: ApplicationBuilder;
@@ -5,8 +5,8 @@
 import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
-import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
-import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { Discover } from "@k8slens/react-testing-library-discovery";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";
 import React from "react";
 import type { Navigate } from "../../renderer/navigation/navigate.injectable";
 import navigateInjectable from "../../renderer/navigation/navigate.injectable";
@@ -3,9 +3,7 @@
 * Licensed under MIT License. See LICENSE in root directory for more information.
 */
 import { getInjectable } from "@ogre-tools/injectable";
-import {
-  afterApplicationIsLoadedInjectionToken,
-} from "@k8slens/application";
+import { onLoadOfApplicationInjectionToken } from "@k8slens/application";
 import { bootstrap } from "./bootstrap";
 import startFrameInjectable from "./start-frame/start-frame.injectable";

@@ -22,7 +20,7 @@ const bootstrapInjectable = getInjectable({

  causesSideEffects: true,

-  injectionToken: afterApplicationIsLoadedInjectionToken,
+  injectionToken: onLoadOfApplicationInjectionToken,
 });

 export default bootstrapInjectable;
@@ -5,10 +5,7 @@

 import "./components/app.scss";

-import React from "react";
-import { render, unmountComponentAtNode } from "react-dom";
-import { DefaultProps } from "./mui-base-theme";
-import { DiContextProvider } from "@ogre-tools/injectable-react";
+import { unmountComponentAtNode } from "react-dom";
 import type {
  DiContainerForInjection,
 } from "@ogre-tools/injectable";
@@ -17,8 +14,6 @@ import extensionDiscoveryInjectable from "../extensions/extension-discovery/exte
 import extensionInstallationStateStoreInjectable from "../extensions/extension-installation-state-store/extension-installation-state-store.injectable";
 import initRootFrameInjectable from "./frames/root-frame/init-root-frame.injectable";
 import initClusterFrameInjectable from "./frames/cluster-frame/init-cluster-frame/init-cluster-frame.injectable";
-import { Router } from "react-router";
-import historyInjectable from "./navigation/history.injectable";
 import assert from "assert";

 export async function bootstrap(di: DiContainerForInjection) {
@@ -30,16 +25,13 @@ export async function bootstrap(di: DiContainerForInjection) {
  await di.inject(extensionDiscoveryInjectable).init();
  di.inject(extensionInstallationStateStoreInjectable).bindIpcListeners();

-  let App;
  let initializeApp;

  // TODO: Introduce proper architectural boundaries between root and cluster iframes
  if (process.isMainFrame) {
    initializeApp = di.inject(initRootFrameInjectable);
-    App = (await import("./frames/root-frame/root-frame")).RootFrame;
  } else {
    initializeApp = di.inject(initClusterFrameInjectable);
-    App = (await import("./frames/cluster-frame/cluster-frame")).ClusterFrame;
  }

  try {
@@ -50,15 +42,4 @@ export async function bootstrap(di: DiContainerForInjection) {
      isTopFrameView: process.isMainFrame,
    });
  }
-
-  const history = di.inject(historyInjectable);
-
-  render(
-    <DiContextProvider value={{ di }}>
-      <Router history={history}>
-        {DefaultProps(App)}
-      </Router>
-    </DiContextProvider>,
-    rootElem,
-  );
 }
@@ -1,115 +0,0 @@
-/**
- * Copyright (c) OpenLens Authors. All rights reserved.
- * Licensed under MIT License. See LICENSE in root directory for more information.
- */
-import type { RenderResult } from "@testing-library/react";
-
-type DiscoverySourceTypes = RenderResult | Element;
-
-export type QuerySingleElement = (
-  attributeName: string,
-  attributeValue?: string
-) => { discovered: Element | null } & Discover;
-
-export type GetSingleElement = (
-  attributeName: string,
-  attributeValue?: string
-) => { discovered: Element } & Discover;
-
-export type QueryAllElements = (attributeName: string) => {
-  discovered: Element[];
-  attributeValues: (string | null)[];
-};
-
-export interface Discover {
-  querySingleElement: QuerySingleElement;
-  queryAllElements: QueryAllElements;
-  getSingleElement: GetSingleElement;
-}
-
-export const discoverFor = (getSource: () => DiscoverySourceTypes): Discover => ({
-  querySingleElement: querySingleElement(getSource),
-  queryAllElements: queryAllElements(getSource),
-  getSingleElement: getSingleElement(getSource),
-});
-
-export const querySingleElement =
-  (getSource: () => DiscoverySourceTypes): QuerySingleElement =>
-    (attributeName, attributeValue) => {
-      const source = getSource();
-
-      const dataAttribute = `data-${attributeName}-test`;
-
-      const selector = attributeValue
-        ? `[${dataAttribute}="${attributeValue}"]`
-        : `[${dataAttribute}]`;
-
-      const discovered = getBaseElement(source).querySelector(selector);
-
-      const nestedDiscover = discoverFor(() => {
-        if (!discovered) {
-          throw new Error("Tried to do nested discover using source that does not exist");
-        }
-
-        return discovered;
-      });
-
-      return {
-        discovered,
-
-        ...nestedDiscover,
-      };
-    };
-
-export const queryAllElements =
-  (getSource: () => DiscoverySourceTypes): QueryAllElements =>
-    (attributeName) => {
-      const source = getSource();
-
-      const dataAttribute = `data-${attributeName}-test`;
-
-      const results = [
-        ...getBaseElement(source).querySelectorAll(`[${dataAttribute}]`),
-      ];
-
-      return {
-        discovered: results,
-
-        attributeValues: results.map((result) =>
-          result.getAttribute(dataAttribute),
-        ),
-      };
-    };
-
-export const getSingleElement =
-  (getSource: () => DiscoverySourceTypes): GetSingleElement =>
-    (attributeName, attributeValue) => {
-      const dataAttribute = `data-${attributeName}-test`;
-
-      const { discovered, ...nestedDiscover } = querySingleElement(getSource)(
-        attributeName,
-        attributeValue,
-      );
-
-      if (!discovered) {
-        const validValues =
-        queryAllElements(getSource)(attributeName).attributeValues;
-
-        if (attributeValue) {
-          throw new Error(
-            `Couldn't find HTML-element with attribute "${dataAttribute}" with value "${attributeValue}". Present values are:\n\n"${validValues.join(
-              '",\n"',
-            )}"`,
-          );
-        }
-
-        throw new Error(
-          `Couldn't find HTML-element with attribute "${dataAttribute}"`,
-        );
-      }
-
-      return { discovered, ...nestedDiscover };
-    };
-
-const getBaseElement = (source: DiscoverySourceTypes) =>
-  "baseElement" in source ? source.baseElement : source;
@@ -59,7 +59,7 @@ import { Namespace } from "../../../common/k8s-api/endpoints";
 import { getOverrideFsWithFakes } from "../../../test-utils/override-fs-with-fakes";
 import applicationMenuItemCompositeInjectable from "../../../features/application-menu/main/application-menu-item-composite.injectable";
 import { getCompositePaths } from "../../../common/utils/composite/get-composite-paths/get-composite-paths";
-import { discoverFor } from "./discovery-of-html-elements";
+import { discoverFor } from "@k8slens/react-testing-library-discovery";
 import { findComposite } from "../../../common/utils/composite/find-composite/find-composite";
 import shouldStartHiddenInjectable from "../../../main/electron-app/features/should-start-hidden.injectable";
 import fsInjectable from "../../../common/fs/fs.injectable";
@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import {
+  reactApplicationChildrenInjectionToken,
+} from "@k8slens/react-application";
+import { computed } from "mobx";
+
+const frameApplicationRootInjectable = getInjectable({
+  id: "frame-application-root",
+
+  instantiate: () => {
+    const Frame = process.isMainFrame
+      ? require("./root-frame/root-frame").RootFrame
+      : require("./cluster-frame/cluster-frame").ClusterFrame;
+
+    return {
+      id: "frame-application-root",
+      Component: Frame,
+      enabled: computed(() => true),
+    };
+  },
+
+  causesSideEffects: true,
+
+  injectionToken: reactApplicationChildrenInjectionToken,
+});
+
+export default frameApplicationRootInjectable;
@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import { Router } from "react-router";
+import historyInjectable from "../navigation/history.injectable";
+import React from "react";
+
+import {
+  reactApplicationHigherOrderComponentInjectionToken,
+} from "@k8slens/react-application";
+
+const routingReactApplicationHocInjectable = getInjectable({
+  id: "routing-react-application-hoc",
+
+  instantiate: (di) => {
+    const history = di.inject(historyInjectable);
+
+    return ({ children }) =>
+      (
+        <Router history={history}>
+          {children}
+        </Router>
+      );
+  },
+
+  injectionToken: reactApplicationHigherOrderComponentInjectionToken,
+});
+
+export default routingReactApplicationHocInjectable;
@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import React from "react";
+import { reactApplicationHigherOrderComponentInjectionToken } from "@k8slens/react-application";
+import { ThemeProvider } from "@material-ui/core";
+import { defaultMuiBaseTheme } from "../mui-base-theme";
+
+const themeProviderReactApplicationHocInjectable = getInjectable({
+  id: "theme-provider-react-application-hoc",
+
+  instantiate:
+    () =>
+      ({ children }) =>
+        <ThemeProvider theme={defaultMuiBaseTheme}>{children}</ThemeProvider>,
+
+  injectionToken: reactApplicationHigherOrderComponentInjectionToken,
+});
+
+export default themeProviderReactApplicationHocInjectable;
@@ -6,7 +6,7 @@
 import React from "react";
 import { createTheme, ThemeProvider } from "@material-ui/core";

-const defaultTheme = createTheme({
+export const defaultMuiBaseTheme = createTheme({
  props: {
    MuiIconButton: {
      color: "inherit",
@@ -32,7 +32,7 @@ const defaultTheme = createTheme({

 export function DefaultProps(App: React.ComponentType | React.FunctionComponent) {
  return (
-    <ThemeProvider theme= { defaultTheme } >
+    <ThemeProvider theme= { defaultMuiBaseTheme } >
      <App />
    </ThemeProvider>
  );
@@ -6,9 +6,7 @@ import { getInjectable } from "@ogre-tools/injectable";
 import { runManyFor } from "@k8slens/run-many";
 import * as tokens from "../before-frame-starts/tokens";
 import currentlyInClusterFrameInjectable from "../routes/currently-in-cluster-frame.injectable";
-import {
-  afterApplicationIsLoadedInjectionToken,
-} from "@k8slens/application";
+import { onLoadOfApplicationInjectionToken } from "@k8slens/application";

 const startFrameInjectable = getInjectable({
  id: "start-frame",
@@ -44,7 +42,7 @@ const startFrameInjectable = getInjectable({
    };
  },

-  injectionToken: afterApplicationIsLoadedInjectionToken,
+  injectionToken: onLoadOfApplicationInjectionToken,
 });

 export default startFrameInjectable;
@@ -1,7 +1,7 @@
 const path = require("path");
 const getReactConfig = require("./get-react-config");

-module.exports = getReactConfig({
+module.exports = getReactConfig()({
  entrypointFilePath: "./index.ts",
  outputDirectory: path.resolve(process.cwd(), "dist"),
 });
@@ -206,6 +206,7 @@
    "@k8slens/messaging": "^1.0.0-alpha.1",
    "@k8slens/messaging-for-main": "^1.0.0-alpha.1",
    "@k8slens/messaging-for-renderer": "^1.0.0-alpha.1",
+    "@k8slens/react-application": "^1.0.0-alpha.0",
    "@k8slens/run-many": "^1.0.0-alpha.1",
    "@k8slens/startable-stoppable": "^1.0.0-alpha.1",
    "@k8slens/test-utils": "^1.0.0-alpha.1",
@@ -15,6 +15,7 @@ import { createContainer } from "@ogre-tools/injectable";
 import { registerMobX } from "@ogre-tools/injectable-extension-for-mobx";
 import { registerInjectableReact } from "@ogre-tools/injectable-react";
 import { messagingFeatureForRenderer } from "@k8slens/messaging-for-renderer";
+import { reactApplicationFeature } from "@k8slens/react-application";

 const environment = "renderer";

@@ -24,7 +25,13 @@ runInAction(() => {
  registerMobX(di);
  registerInjectableReact(di);
  registerLensCore(di, environment);
-  registerFeature(di, applicationFeature, messagingFeatureForRenderer);
+
+  registerFeature(
+    di,
+    applicationFeature,
+    messagingFeatureForRenderer,
+    reactApplicationFeature
+  );

  autoRegister({
    di,
@@ -0,0 +1,6 @@
+{
+  "extends": "@k8slens/eslint-config/eslint",
+  "parserOptions": {
+    "project": "./tsconfig.json"
+  }
+}
@@ -0,0 +1 @@
+"@k8slens/eslint-config/prettier"
@@ -0,0 +1,19 @@
+# @k8slens/react-application
+
+# Usage
+
+```bash
+$ npm install @k8slens/react-application
+```
+
+```typescript
+import { reactApplicationFeature } from "@k8slens/react-application";
+import { registerFeature } from "@k8slens/feature-core";
+import { createContainer } from "@ogre-tools/injectable";
+
+const di = createContainer("some-container");
+
+registerFeature(di, reactApplicationRootFeature);
+```
+
+## Extendability
@@ -0,0 +1,10 @@
+export { renderInjectionToken } from "./src/render-application/render.injectable";
+export type { Render } from "./src/render-application/render.injectable";
+
+export { reactApplicationChildrenInjectionToken } from "./src/react-application/react-application-children-injection-token";
+export type { ReactApplicationChildren } from "./src/react-application/react-application-children-injection-token";
+
+export { reactApplicationHigherOrderComponentInjectionToken } from "./src/react-application/react-application-higher-order-component-injection-token";
+export type { ReactApplicationHigherOrderComponent } from "./src/react-application/react-application-higher-order-component-injection-token";
+
+export { reactApplicationFeature } from "./src/feature";
@@ -0,0 +1 @@
+module.exports = require("@k8slens/jest").monorepoPackageConfig(__dirname).configForReact;
@@ -0,0 +1,52 @@
+{
+  "name": "@k8slens/react-application",
+  "private": false,
+  "version": "1.0.0-alpha.0",
+  "description": "Package for React Application",
+  "type": "commonjs",
+  "files": [
+    "dist"
+  ],
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/lensapp/lens.git"
+  },
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "author": {
+    "name": "OpenLens Authors",
+    "email": "info@k8slens.dev"
+  },
+  "license": "MIT",
+  "homepage": "https://github.com/lensapp/lens",
+  "scripts": {
+    "build": "webpack",
+    "dev": "webpack --mode=development --watch",
+    "test:unit": "jest --coverage --runInBand",
+    "lint": "lens-lint",
+    "lint:fix": "lens-lint --fix"
+  },
+  "peerDependencies": {
+    "@k8slens/feature-core": "^6.5.0-alpha.0",
+    "@k8slens/application": "^6.5.0-alpha.2",
+    "@ogre-tools/fp": "^15.1.2",
+    "@ogre-tools/injectable": "^15.1.2",
+    "@ogre-tools/injectable-extension-for-auto-registration": "^15.1.2",
+    "@ogre-tools/injectable-extension-for-mobx": "^15.1.2",
+    "@ogre-tools/injectable-react": "^15.1.2",
+    "lodash": "^4.17.15",
+    "mobx": "^6.8.0",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2"
+  },
+  "devDependencies": {
+    "@async-fn/jest": "^1.6.4",
+    "@k8slens/eslint-config": "6.5.0-alpha.1",
+    "@testing-library/react": "^12.1.5",
+    "@k8slens/react-testing-library-discovery": "*"
+  }
+}
@@ -0,0 +1,41 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`react-application renders 1`] = `
+<body>
+  <div />
+</body>
+`;
+
+exports[`react-application when content is registered and enabled renders 1`] = `
+<body>
+  <div>
+    <div
+      data-some-content-test="true"
+    >
+      Some children
+    </div>
+  </div>
+</body>
+`;
+
+exports[`react-application when content is registered and enabled when content is disabled renders 1`] = `
+<body>
+  <div />
+</body>
+`;
+
+exports[`react-application when content is registered and enabled when higher order component is registered renders 1`] = `
+<body>
+  <div>
+    <div
+      data-some-higher-order-component-test="true"
+    >
+      <div
+        data-some-content-test="true"
+      >
+        Some children
+      </div>
+    </div>
+  </div>
+</body>
+`;
@@ -0,0 +1,17 @@
+import { getFeature } from "@k8slens/feature-core";
+import { autoRegister } from "@ogre-tools/injectable-extension-for-auto-registration";
+import { applicationFeature } from "@k8slens/application";
+
+export const reactApplicationFeature = getFeature({
+  id: "react-application",
+
+  register: (di) => {
+    autoRegister({
+      di,
+      targetModule: module,
+      getRequireContexts: () => [require.context("./", true, /\.injectable\.(ts|tsx)$/)],
+    });
+  },
+
+  dependencies: [applicationFeature],
+});
@@ -0,0 +1,137 @@
+import { registerFeature } from "@k8slens/feature-core";
+import { createContainer, DiContainer, getInjectable } from "@ogre-tools/injectable";
+import { registerMobX } from "@ogre-tools/injectable-extension-for-mobx";
+import { registerInjectableReact } from "@ogre-tools/injectable-react";
+import { reactApplicationFeature } from "./feature";
+import { runInAction, computed, observable, IObservableValue } from "mobx";
+import { startApplicationInjectionToken } from "@k8slens/application";
+import type { RenderResult } from "@testing-library/react";
+import { render, act } from "@testing-library/react";
+import renderInjectable from "./render-application/render.injectable";
+import { reactApplicationChildrenInjectionToken } from "./react-application/react-application-children-injection-token";
+import React from "react";
+import { Discover, discoverFor } from "@k8slens/react-testing-library-discovery";
+import {
+  ReactApplicationHigherOrderComponent,
+  reactApplicationHigherOrderComponentInjectionToken,
+} from "./react-application/react-application-higher-order-component-injection-token";
+
+const SomeContent = () => <div data-some-content-test>Some children</div>;
+
+describe("react-application", () => {
+  let rendered: RenderResult;
+  let di: DiContainer;
+  let discover: Discover;
+
+  beforeEach(async () => {
+    di = createContainer("some-container");
+
+    registerInjectableReact(di);
+
+    registerMobX(di);
+
+    runInAction(() => {
+      registerFeature(di, reactApplicationFeature);
+    });
+
+    di.override(renderInjectable, () => (application) => {
+      rendered = render(application);
+    });
+
+    const startApplication = di.inject(startApplicationInjectionToken);
+
+    await startApplication();
+
+    discover = discoverFor(() => rendered);
+  });
+
+  it("renders", () => {
+    expect(rendered.baseElement).toMatchSnapshot();
+  });
+
+  describe("when content is registered and enabled", () => {
+    let someObservable: IObservableValue<boolean>;
+
+    beforeEach(() => {
+      someObservable = observable.box(true);
+
+      const someContentInjectable = getInjectable({
+        id: "some-content",
+
+        instantiate: () => ({
+          id: "some-content",
+          Component: SomeContent,
+          enabled: computed(() => someObservable.get()),
+        }),
+
+        injectionToken: reactApplicationChildrenInjectionToken,
+      });
+
+      runInAction(() => {
+        di.register(someContentInjectable);
+      });
+    });
+
+    it("renders", () => {
+      expect(rendered.baseElement).toMatchSnapshot();
+    });
+
+    it("renders the content", () => {
+      const { discovered } = discover.getSingleElement("some-content");
+
+      expect(discovered).not.toBeNull();
+    });
+
+    describe("when higher order component is registered", () => {
+      beforeEach(() => {
+        const SomeHigherOrderComponent: ReactApplicationHigherOrderComponent = ({ children }) => (
+          <div data-some-higher-order-component-test>{children}</div>
+        );
+
+        const someHigherOrderComponentInjectable = getInjectable({
+          id: "some-higher-order-component",
+
+          instantiate: () => SomeHigherOrderComponent,
+
+          injectionToken: reactApplicationHigherOrderComponentInjectionToken,
+        });
+
+        runInAction(() => {
+          di.register(someHigherOrderComponentInjectable);
+        });
+      });
+
+      it("renders", () => {
+        expect(rendered.baseElement).toMatchSnapshot();
+      });
+
+      it("renders the content inside the higher order component", () => {
+        const { discovered } = discover
+          .getSingleElement("some-higher-order-component")
+          .getSingleElement("some-content");
+
+        expect(discovered).not.toBeNull();
+      });
+    });
+
+    describe("when content is disabled", () => {
+      beforeEach(() => {
+        act(() => {
+          runInAction(() => {
+            someObservable.set(false);
+          });
+        });
+      });
+
+      it("renders", () => {
+        expect(rendered.baseElement).toMatchSnapshot();
+      });
+
+      it("does not render the content", () => {
+        const { discovered } = discover.querySingleElement("some-content");
+
+        expect(discovered).toBeNull();
+      });
+    });
+  });
+});
@@ -0,0 +1,13 @@
+import { getInjectionToken } from "@ogre-tools/injectable";
+import type React from "react";
+import type { IComputedValue } from "mobx";
+
+export interface ReactApplicationChildren {
+  id: string;
+  Component: React.ComponentType;
+  enabled: IComputedValue<boolean>;
+}
+
+export const reactApplicationChildrenInjectionToken = getInjectionToken<ReactApplicationChildren>({
+  id: "react-application-children-injection-token",
+});
@@ -0,0 +1,29 @@
+import { withInjectables } from "@ogre-tools/injectable-react";
+import { computedInjectManyInjectable } from "@ogre-tools/injectable-extension-for-mobx";
+import React from "react";
+import {
+  ReactApplicationChildren,
+  reactApplicationChildrenInjectionToken,
+} from "./react-application-children-injection-token";
+import type { IComputedValue } from "mobx";
+import { observer, Observer } from "mobx-react";
+
+type Dependencies = { contents: IComputedValue<ReactApplicationChildren[]> };
+
+const NonInjectedContent = observer(({ contents }: Dependencies) => (
+  <>
+    {contents.get().map((child) => (
+      <Observer key={child.id}>{() => (child.enabled.get() ? <child.Component /> : null)}</Observer>
+    ))}
+  </>
+));
+
+export const ReactApplicationContent = withInjectables<Dependencies>(
+  NonInjectedContent,
+
+  {
+    getProps: (di) => ({
+      contents: di.inject(computedInjectManyInjectable)(reactApplicationChildrenInjectionToken),
+    }),
+  },
+);
@@ -0,0 +1,11 @@
+import { getInjectionToken } from "@ogre-tools/injectable";
+import type React from "react";
+
+export type ReactApplicationHigherOrderComponent = React.ComponentType<{
+  children: React.ReactNode;
+}>;
+
+export const reactApplicationHigherOrderComponentInjectionToken =
+  getInjectionToken<ReactApplicationHigherOrderComponent>({
+    id: "react-application-higher-order-component-injection-token",
+  });
@@ -0,0 +1,37 @@
+import type { DiContainerForInjection } from "@ogre-tools/injectable";
+import { computedInjectManyInjectable } from "@ogre-tools/injectable-extension-for-mobx";
+import { DiContextProvider } from "@ogre-tools/injectable-react";
+import { observer } from "mobx-react";
+import React from "react";
+import {
+  ReactApplicationHigherOrderComponent,
+  reactApplicationHigherOrderComponentInjectionToken,
+} from "./react-application-higher-order-component-injection-token";
+
+import { ReactApplicationContent } from "./react-application-content";
+
+interface ReactApplicationProps {
+  di: DiContainerForInjection;
+}
+
+const render = (components: ReactApplicationHigherOrderComponent[]) => {
+  const [Component, ...rest] = components;
+
+  if (!Component) {
+    return null;
+  }
+
+  return <Component>{render(rest)}</Component>;
+};
+
+export const ReactApplication = observer(({ di }: ReactApplicationProps) => {
+  const computedInjectMany = di.inject(computedInjectManyInjectable);
+
+  const higherOrderComponents = computedInjectMany(
+    reactApplicationHigherOrderComponentInjectionToken,
+  );
+
+  const Components = [...higherOrderComponents.get(), ReactApplicationContent];
+
+  return <DiContextProvider value={{ di }}>{render(Components)}</DiContextProvider>;
+});
@@ -0,0 +1,21 @@
+import { getInjectable } from "@ogre-tools/injectable";
+import { afterApplicationIsLoadedInjectionToken } from "@k8slens/application";
+import renderInjectable from "./render.injectable";
+import { ReactApplication } from "../react-application/react-application";
+import React from "react";
+
+export const renderApplicationWhenApplicationIsReadyInjectable = getInjectable({
+  id: "render-application-when-application-is-ready",
+
+  instantiate: (di) => {
+    const render = di.inject(renderInjectable);
+
+    return {
+      run: () => {
+        render(<ReactApplication di={di} />);
+      },
+    };
+  },
+
+  injectionToken: afterApplicationIsLoadedInjectionToken,
+});
@@ -0,0 +1,22 @@
+import { getInjectable, getInjectionToken } from "@ogre-tools/injectable";
+import { render } from "react-dom";
+import type React from "react";
+
+export type Render = (application: React.ReactElement) => void;
+
+export const renderInjectionToken = getInjectionToken<Render>({
+  id: "render-injection-token",
+});
+
+const renderInjectable = getInjectable({
+  id: "render",
+
+  /* c8 ignore next */
+  instantiate: () => (application) => render(application, document.getElementById("app")),
+
+  causesSideEffects: true,
+
+  injectionToken: renderInjectionToken,
+});
+
+export default renderInjectable;
@@ -0,0 +1,4 @@
+{
+  "extends": "@k8slens/typescript/config/base.json",
+  "include": ["**/*.ts", "**/*.tsx"]
+}
@@ -0,0 +1 @@
+module.exports = require("@k8slens/webpack").configForReact;
@@ -0,0 +1,6 @@
+{
+  "extends": "@k8slens/eslint-config/eslint",
+  "parserOptions": {
+    "project": "./tsconfig.json"
+  }
+}
@@ -0,0 +1 @@
+"@k8slens/eslint-config/prettier"
@@ -0,0 +1,13 @@
+export type {
+  Discover,
+  GetSingleElement,
+  QueryAllElements,
+  QuerySingleElement,
+} from "./src/discovery-of-html-elements";
+
+export {
+  discoverFor,
+  getSingleElement,
+  queryAllElements,
+  querySingleElement,
+} from "./src/discovery-of-html-elements";
@@ -0,0 +1,33 @@
+{
+  "name": "@k8slens/react-testing-library-discovery",
+  "private": false,
+  "version": "1.0.0-alpha.0",
+  "description": "A way to discover HTML-elements using react-testing-library",
+  "type": "commonjs",
+  "files": [
+    "dist"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/lensapp/lens.git"
+  },
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "author": {
+    "name": "OpenLens Authors",
+    "email": "info@k8slens.dev"
+  },
+  "license": "MIT",
+  "homepage": "https://github.com/lensapp/lens",
+  "scripts": {
+    "build": "webpack",
+    "dev": "webpack --mode=development --watch",
+    "lint": "lens-lint",
+    "lint:fix": "lens-lint --fix"
+  },
+  "dependencies": {
+    "@testing-library/dom": "^8.19.0",
+    "@testing-library/jest-dom": "^5.16.5",
+    "@testing-library/react": "^13.4.0"
+  }
+}
@@ -0,0 +1,125 @@
+import type { RenderResult } from "@testing-library/react";
+import { prettyDOM as prettyDom } from "@testing-library/dom";
+
+type DiscoverySourceTypes = RenderResult | Element;
+
+export type QuerySingleElement = (
+  attributeName: string,
+  attributeValue?: string,
+) => { discovered: Element | null } & Discover;
+
+type Clickable = { click: () => void };
+
+export type GetSingleElement = (
+  attributeName: string,
+  attributeValue?: string,
+) => { discovered: Element } & Discover & Clickable;
+
+export type QueryAllElements = (attributeName: string) => {
+  discovered: Element[];
+  attributeValues: (string | null)[];
+};
+
+export interface Discover {
+  querySingleElement: QuerySingleElement;
+  queryAllElements: QueryAllElements;
+  getSingleElement: GetSingleElement;
+}
+
+const getBaseElement = (source: DiscoverySourceTypes) =>
+  "baseElement" in source ? source.baseElement : source;
+
+export function querySingleElement(getSource: () => DiscoverySourceTypes): QuerySingleElement {
+  return (attributeName, attributeValue) => {
+    const source = getSource();
+
+    const dataAttribute = `data-${attributeName}-test`;
+
+    const selector = attributeValue
+      ? `[${dataAttribute}="${attributeValue}"]`
+      : `[${dataAttribute}]`;
+
+    const discovered = getBaseElement(source).querySelector(selector);
+
+    // eslint-disable-next-line @typescript-eslint/no-use-before-define
+    const nestedDiscover = discoverFor(() => {
+      if (!discovered) {
+        throw new Error("Tried to do nested discover using source that does not exist");
+      }
+
+      return discovered;
+    });
+
+    return {
+      discovered,
+
+      ...nestedDiscover,
+    };
+  };
+}
+
+export function queryAllElements(getSource: () => DiscoverySourceTypes): QueryAllElements {
+  return (attributeName) => {
+    const source = getSource();
+
+    const dataAttribute = `data-${attributeName}-test`;
+
+    const results = [...getBaseElement(source).querySelectorAll(`[${dataAttribute}]`)];
+
+    return {
+      discovered: results,
+
+      attributeValues: results.map((result) => result.getAttribute(dataAttribute)),
+    };
+  };
+}
+
+export function getSingleElement(getSource: () => DiscoverySourceTypes): GetSingleElement {
+  return (attributeName, attributeValue) => {
+    const dataAttribute = `data-${attributeName}-test`;
+
+    const { discovered, ...nestedDiscover } = querySingleElement(getSource)(
+      attributeName,
+      attributeValue,
+    );
+
+    if (!discovered) {
+      // eslint-disable-next-line xss/no-mixed-html
+      const html = prettyDom(getBaseElement(getSource()));
+
+      if (attributeValue) {
+        const validValues = queryAllElements(getSource)(attributeName).attributeValues;
+
+        throw new Error(
+          `Couldn't find HTML-element with attribute "${dataAttribute}" with value "${attributeValue}".\n\nPresent values are:\n\n"${validValues.join(
+            '",\n"',
+          )}"\n\nHTML is:\n\n${html}`,
+        );
+      }
+
+      throw new Error(
+        `Couldn't find HTML-element with attribute "${dataAttribute}"\n\nHTML is:\n\n${html}`,
+      );
+    }
+
+    const click = () => {
+      if ("click" in discovered && typeof discovered.click === "function") {
+        discovered.click();
+      } else {
+        throw new Error(
+          `Tried to click something that was not clickable:\n\n${prettyDom(discovered)}`,
+        );
+      }
+    };
+
+    return { discovered, click, ...nestedDiscover };
+  };
+}
+
+export function discoverFor(getSource: () => DiscoverySourceTypes): Discover {
+  return {
+    querySingleElement: querySingleElement(getSource),
+    queryAllElements: queryAllElements(getSource),
+    getSingleElement: getSingleElement(getSource),
+  };
+}
@@ -0,0 +1,4 @@
+{
+  "extends": "@k8slens/typescript/config/base.json",
+  "include": ["**/*.ts"]
+}
@@ -0,0 +1 @@
+module.exports = require("@k8slens/webpack").configForNode;
				`@@ -0,0 +1 @@`
				`module.exports = require("@k8slens/jest").monorepoPackageConfig(__dirname).configForReact;`
				`@@ -0,0 +1 @@`
				`module.exports = require("@k8slens/webpack").configForReact;`