Navigation refactoring, handling extension page params (#1651)

* decentralizing page url-params management -- PoC / tsc 4.1 random fixes

Signed-off-by: Roman <ixrock@gmail.com>

* fixes, tweak example-extension for demo

Signed-off-by: Roman <ixrock@gmail.com>

* lint fixes, revert tests

Signed-off-by: Roman <ixrock@gmail.com>

* removed occasional changes related to typescript 4.1

Signed-off-by: Roman <ixrock@gmail.com>

* updated example with 2 menu-items targeting same page with different params

Signed-off-by: Roman <ixrock@gmail.com>

* fix: merge page url chunks with native URL()-api, simplified default page-params registration

Signed-off-by: Roman <ixrock@gmail.com>

* fix: make lint happy

Signed-off-by: Roman <ixrock@gmail.com>

* fix: unit-tests

Signed-off-by: Roman <ixrock@gmail.com>

* renaming by jim's request: UrlParam => PageParam (type), createUrlParam => createPageParam (helper)

Signed-off-by: Roman <ixrock@gmail.com>

* fix: reverting NamespaceStore public-api breaking changes

Signed-off-by: Roman <ixrock@gmail.com>

* lint fix

Signed-off-by: Roman <ixrock@gmail.com>

* fine-tuning

Signed-off-by: Roman <ixrock@gmail.com>

* yes, lint always unhappy

Signed-off-by: Roman <ixrock@gmail.com>

* fix build

Signed-off-by: Roman <ixrock@gmail.com>

* small fixes

Signed-off-by: Roman <ixrock@gmail.com>

* fix merge-conflicts

Signed-off-by: Roman <ixrock@gmail.com>

* removed `isSystem` page-param's init field exposed to extensions-api

Signed-off-by: Roman <ixrock@gmail.com>

extensions/example-extension/page.tsx

@@ -1,30 +1,64 @@
-import { LensRendererExtension, Component } from "@k8slens/extensions";
-import { CoffeeDoodle } from "react-open-doodles";
-import path from "path";
 import React from "react";
+import { observer } from "mobx-react";
+import { CoffeeDoodle } from "react-open-doodles";
+import { Component, Interface, K8sApi, LensRendererExtension } from "@k8slens/extensions";
 
-export function ExampleIcon(props: Component.IconProps) {
+export interface ExamplePageProps extends Interface.PageComponentProps<ExamplePageParams> {
-  return <Component.Icon {...props} material="pages" tooltip={path.basename(__filename)}/>;
+  extension: LensRendererExtension; // provided in "./renderer.tsx"
 }
 
-export class ExamplePage extends React.Component<{ extension: LensRendererExtension }> {
+export interface ExamplePageParams {
+  exampleId: string;
+  selectedNamespaces: K8sApi.Namespace[];
+}
+
+export const namespaceStore = K8sApi.apiManager.getStore<K8sApi.NamespaceStore>(K8sApi.namespacesApi);
+
+@observer
+export class ExamplePage extends React.Component<ExamplePageProps> {
+  async componentDidMount() {
+    await namespaceStore.loadAll();
+  }
+
   deactivate = () => {
     const { extension } = this.props;
 
     extension.disable();
   };
 
-  render() {
+  renderSelectedNamespaces() {
-    const doodleStyle = {
+    const { selectedNamespaces } = this.props.params;
-      width: "200px"
-    };
 
     return (
-      <div className="flex column gaps align-flex-start">
+      <div className="flex gaps inline">
-        <div style={doodleStyle}><CoffeeDoodle accent="#3d90ce" /></div>
+        {selectedNamespaces.get().map(ns => {
-        <p>Hello from Example extension!</p>
+          const name = ns.getName();
-        <p>File: <i>{__filename}</i></p>
+
+          return <Component.Badge key={name} label={name} tooltip={`Created: ${ns.getAge()}`}/>;
+        })}
+      </div>
+    );
+  }
+
+  render() {
+    const { exampleId } = this.props.params;
+
+    return (
+      <div className="flex column gaps align-flex-start" style={{ padding: 24 }}>
+        <div style={{ width: 200 }}>
+          <CoffeeDoodle accent="#3d90ce"/>
+        </div>
+
+        <div>Hello from Example extension!</div>
+        <div>Location: <i>{location.href}</i></div>
+        <div>Namespaces: {this.renderSelectedNamespaces()}</div>
+
+        <p className="url-params-demo flex column gaps">
+          <a onClick={() => exampleId.set("secret")}>Show secret button</a>
+          {exampleId.get() === "secret" && (
             <Component.Button accent label="Deactivate" onClick={this.deactivate}/>
+          )}
+        </p>
       </div>
     );
   }

extensions/example-extension/renderer.tsx

@@ -1,25 +1,45 @@
-import { LensRendererExtension } from "@k8slens/extensions";
+import { Component, Interface, K8sApi, LensRendererExtension } from "@k8slens/extensions";
-import { ExampleIcon, ExamplePage } from "./page";
+import { ExamplePage, ExamplePageParams, namespaceStore } from "./page";
 import React from "react";
+import path from "path";
 
 export default class ExampleExtension extends LensRendererExtension {
-  clusterPages = [
+  clusterPages: Interface.PageRegistration[] = [
     {
-      id: "example",
-      title: "Example Extension",
       components: {
-        Page: () => <ExamplePage extension={this}/>,
+        Page: (props: Interface.PageComponentProps<ExamplePageParams>) => {
+          return <ExamplePage {...props} extension={this}/>;
+        },
+      },
+      params: {
+        // setup basic param "exampleId" with default value "demo"
+        exampleId: "demo",
+
+        // setup advanced multi-values param "selectedNamespaces" with custom parsing/stringification
+        selectedNamespaces: {
+          defaultValueStringified: ["default", "kube-system"],
+          multiValues: true,
+          parse(values: string[]) { // from URL
+            return values.map(name => namespaceStore.getByName(name)).filter(Boolean);
+          },
+          stringify(values: K8sApi.Namespace[]) { // to URL
+            return values.map(namespace => namespace.getName());
+          },
+        }
       }
     }
   ];
 
-  clusterPageMenus = [
+  clusterPageMenus: Interface.ClusterPageMenuRegistration[] = [
     {
-      target: { pageId: "example", params: {} },
+      title: "Example extension",
-      title: "Example Extension",
       components: {
         Icon: ExampleIcon,
-      }
+      },
-    }
+    },
   ];
 }
+
+export function ExampleIcon(props: Component.IconProps) {
+  return <Component.Icon {...props} material="pages" tooltip={path.basename(__filename)}/>;
+}

package.json

@@ -198,20 +198,6 @@
     "@hapi/call": "^8.0.0",
     "@hapi/subtext": "^7.0.3",
     "@kubernetes/client-node": "^0.12.0",
-    "@types/crypto-js": "^3.1.47",
-    "@types/electron-window-state": "^2.0.34",
-    "@types/fs-extra": "^9.0.1",
-    "@types/http-proxy": "^1.17.4",
-    "@types/js-yaml": "^3.12.4",
-    "@types/jsdom": "^16.2.4",
-    "@types/jsonpath": "^0.2.0",
-    "@types/lodash": "^4.14.155",
-    "@types/marked": "^0.7.4",
-    "@types/mock-fs": "^4.10.0",
-    "@types/node": "^12.12.45",
-    "@types/proper-lockfile": "^4.1.1",
-    "@types/react-beautiful-dnd": "^13.0.0",
-    "@types/tar": "^4.0.4",
     "array-move": "^3.0.0",
     "await-lock": "^2.1.0",
     "chalk": "^4.1.0",
@@ -235,12 +221,16 @@
     "md5-file": "^5.0.0",
     "mobx": "^5.15.7",
     "mobx-observable-history": "^1.0.3",
+    "mobx-react": "^6.2.2",
     "mock-fs": "^4.12.0",
     "node-pty": "^0.9.0",
     "npm": "^6.14.8",
     "openid-client": "^3.15.2",
     "path-to-regexp": "^6.1.0",
     "proper-lockfile": "^4.1.1",
+    "react": "^17.0.1",
+    "react-dom": "^17.0.1",
+    "react-router": "^5.2.0",
     "request": "^2.88.2",
     "request-promise-native": "^1.0.8",
     "semver": "^7.3.2",
@@ -287,6 +277,7 @@
     "@types/http-proxy": "^1.17.4",
     "@types/jest": "^25.2.3",
     "@types/js-yaml": "^3.12.4",
+    "@types/jsdom": "^16.2.4",
     "@types/jsonpath": "^0.2.0",
     "@types/lodash": "^4.14.155",
     "@types/marked": "^0.7.4",
@@ -298,9 +289,10 @@
     "@types/npm": "^2.0.31",
     "@types/progress-bar-webpack-plugin": "^2.1.0",
     "@types/proper-lockfile": "^4.1.1",
-    "@types/react": "^16.9.35",
+    "@types/react": "^17.0.0",
     "@types/react-beautiful-dnd": "^13.0.0",
-    "@types/react-router-dom": "^5.1.5",
+    "@types/react-dom": "^17.0.0",
+    "@types/react-router-dom": "^5.1.6",
     "@types/react-select": "^3.0.13",
     "@types/react-window": "^1.8.2",
     "@types/request": "^2.48.5",
@@ -309,6 +301,7 @@
     "@types/sharp": "^0.26.0",
     "@types/shelljs": "^0.8.8",
     "@types/spdy": "^3.4.4",
+    "@types/tar": "^4.0.4",
     "@types/tcp-port-used": "^1.0.0",
     "@types/tempy": "^0.3.0",
     "@types/terser-webpack-plugin": "^3.0.0",
@@ -352,7 +345,6 @@
     "jest-mock-extended": "^1.0.10",
     "make-plural": "^6.2.1",
     "mini-css-extract-plugin": "^0.9.0",
-    "mobx-react": "^6.2.2",
     "moment": "^2.26.0",
     "node-loader": "^0.6.0",
     "node-sass": "^4.14.1",
@@ -362,11 +354,8 @@
     "prettier": "^2.2.0",
     "progress-bar-webpack-plugin": "^2.1.0",
     "raw-loader": "^4.0.1",
-    "react": "^16.14.0",
     "react-beautiful-dnd": "^13.0.0",
-    "react-dom": "^16.13.1",
     "react-refresh": "^0.9.0",
-    "react-router": "^5.2.0",
     "react-router-dom": "^5.2.0",
     "react-select": "^3.1.0",
     "react-window": "^1.8.5",
@@ -382,7 +371,7 @@
     "typedoc": "0.17.0-3",
     "typedoc-plugin-markdown": "^2.4.0",
     "typeface-roboto": "^0.0.75",
-    "typescript": "^4.0.2",
+    "typescript": "4.0.2",
     "url-loader": "^4.1.0",
     "webpack": "^4.44.2",
     "webpack-cli": "^3.3.11",

src/common/utils/index.ts

@@ -14,7 +14,6 @@ export * from "./splitArray";
 export * from "./saveToAppFiles";
 export * from "./singleton";
 export * from "./openExternal";
-export * from "./rectify-array";
 export * from "./downloadFile";
 export * from "./escapeRegExp";
 export * from "./tar";

src/common/utils/rectify-array.ts

@@ -1,8 +0,0 @@
-/**
- * rectify condences the single item or array of T type, to an array.
- * @param items either one item or an array of items
- * @returns a list of items
- */
-export function rectify<T>(items: T | T[]): T[] {
-  return Array.isArray(items) ? items : [items];
-}

src/extensions/interfaces/registrations.ts

@@ -3,6 +3,6 @@ export type { ClusterFeatureRegistration, ClusterFeatureComponents } from "../re
 export type { KubeObjectDetailRegistration, KubeObjectDetailComponents } from "../registries/kube-object-detail-registry";
 export type { KubeObjectMenuRegistration, KubeObjectMenuComponents } from "../registries/kube-object-menu-registry";
 export type { KubeObjectStatusRegistration } from "../registries/kube-object-status-registry";
-export type { PageRegistration, PageComponents } from "../registries/page-registry";
+export type { PageRegistration, RegisteredPage, PageParams, PageComponentProps, PageComponents, PageTarget } from "../registries/page-registry";
-export type { PageMenuRegistration, PageMenuComponents } from "../registries/page-menu-registry";
+export type { PageMenuRegistration, ClusterPageMenuRegistration, PageMenuComponents } from "../registries/page-menu-registry";
 export type { StatusBarRegistration } from "../registries/status-bar-registry";

src/extensions/lens-renderer-extension.ts

@@ -1,14 +1,13 @@
-import type { AppPreferenceRegistration, ClusterFeatureRegistration, KubeObjectDetailRegistration, KubeObjectMenuRegistration, KubeObjectStatusRegistration, PageMenuRegistration, PageRegistration, StatusBarRegistration, } from "./registries";
+import type { AppPreferenceRegistration, ClusterFeatureRegistration, ClusterPageMenuRegistration, KubeObjectDetailRegistration, KubeObjectMenuRegistration, KubeObjectStatusRegistration, PageMenuRegistration, PageRegistration, StatusBarRegistration, } from "./registries";
 import type { Cluster } from "../main/cluster";
 import { LensExtension } from "./lens-extension";
 import { getExtensionPageUrl } from "./registries/page-registry";
 
-
 export class LensRendererExtension extends LensExtension {
   globalPages: PageRegistration[] = [];
   clusterPages: PageRegistration[] = [];
   globalPageMenus: PageMenuRegistration[] = [];
-  clusterPageMenus: PageMenuRegistration[] = [];
+  clusterPageMenus: ClusterPageMenuRegistration[] = [];
   kubeObjectStatusTexts: KubeObjectStatusRegistration[] = [];
   appPreferences: AppPreferenceRegistration[] = [];
   clusterFeatures: ClusterFeatureRegistration[] = [];

src/extensions/registries/__tests__/page-registry.test.ts

@@ -1,4 +1,4 @@
-import { getExtensionPageUrl, globalPageRegistry } from "../page-registry";
+import { getExtensionPageUrl, globalPageRegistry, PageParams } from "../page-registry";
 import { LensExtension } from "../../lens-extension";
 import React from "react";
 
@@ -17,6 +17,16 @@ describe("getPageUrl", () => {
       isBundled: false,
       isEnabled: true
     });
+    globalPageRegistry.add({
+      id: "page-with-params",
+      components: {
+        Page: () => React.createElement("Page with params")
+      },
+      params: {
+        test1: "test1-default",
+        test2: "" // no default value, just declaration
+      },
+    }, ext);
   });
 
   it("returns a page url for extension", () => {
@@ -34,6 +44,24 @@ describe("getPageUrl", () => {
   it("adds / prefix", () => {
     expect(getExtensionPageUrl({ extensionId: ext.name, pageId: "test" })).toBe("/extension/foo-bar/test");
   });
+
+  it("normalize possible multi-slashes in page.id", () => {
+    expect(getExtensionPageUrl({ extensionId: ext.name, pageId: "//test/" })).toBe("/extension/foo-bar/test");
+  });
+
+  it("gets page url with custom params", () => {
+    const params: PageParams<string> = { test1: "one", test2: "2" };
+    const searchParams = new URLSearchParams(params);
+    const pageUrl = getExtensionPageUrl({ extensionId: ext.name, pageId: "page-with-params", params });
+
+    expect(pageUrl).toBe(`/extension/foo-bar/page-with-params?${searchParams}`);
+  });
+
+  it("gets page url with default custom params", () => {
+    const defaultPageUrl = getExtensionPageUrl({ extensionId: ext.name, pageId: "page-with-params", });
+
+    expect(defaultPageUrl).toBe(`/extension/foo-bar/page-with-params?test1=test1-default`);
+  });
 });
 
 describe("globalPageRegistry", () => {
@@ -70,17 +98,17 @@ describe("globalPageRegistry", () => {
     ], ext);
   });
 
-  describe("getByPageMenuTarget", () => {
+  describe("getByPageTarget", () => {
     it("matching to first registered page without id", () => {
-      const page = globalPageRegistry.getByPageMenuTarget({ extensionId: ext.name });
+      const page = globalPageRegistry.getByPageTarget({ extensionId: ext.name });
 
       expect(page.id).toEqual(undefined);
       expect(page.extensionId).toEqual(ext.name);
-      expect(page.routePath).toEqual(getExtensionPageUrl({ extensionId: ext.name }));
+      expect(page.url).toEqual(getExtensionPageUrl({ extensionId: ext.name }));
     });
 
     it("returns matching page", () => {
-      const page = globalPageRegistry.getByPageMenuTarget({
+      const page = globalPageRegistry.getByPageTarget({
         pageId: "test-page",
         extensionId: ext.name
       });
@@ -89,7 +117,7 @@ describe("globalPageRegistry", () => {
     });
 
     it("returns null if target not found", () => {
-      const page = globalPageRegistry.getByPageMenuTarget({
+      const page = globalPageRegistry.getByPageTarget({
         pageId: "wrong-page",
         extensionId: ext.name
       });

src/extensions/registries/base-registry.ts

@@ -1,29 +1,34 @@
 // Base class for extensions-api registries
 import { action, observable } from "mobx";
 import { LensExtension } from "../lens-extension";
-import { rectify } from "../../common/utils";
 
-export class BaseRegistry<T> {
+export class BaseRegistry<T, I = T> {
-  private items = observable<T>([], { deep: false });
+  private items = observable.map<T, I>();
 
-  getItems(): T[] {
+  getItems(): I[] {
-    return this.items.toJS();
+    return Array.from(this.items.values());
   }
 
-  add(items: T | T[], ext?: LensExtension): () => void; // allow method overloading with required "ext"
   @action
-  add(items: T | T[]) {
+  add(items: T | T[], extension?: LensExtension) {
-    const itemArray = rectify(items);
+    const itemArray = [items].flat() as T[];
 
-    this.items.push(...itemArray);
+    itemArray.forEach(item => {
+      this.items.set(item, this.getRegisteredItem(item, extension));
+    });
 
     return () => this.remove(...itemArray);
   }
 
+  // eslint-disable-next-line unused-imports/no-unused-vars-ts
+  protected getRegisteredItem(item: T, extension?: LensExtension): I {
+    return item as any;
+  }
+
   @action
   remove(...items: T[]) {
     items.forEach(item => {
-      this.items.remove(item); // works because of {deep: false};
+      this.items.delete(item);
     });
   }
 }

src/extensions/registries/page-menu-registry.ts

@@ -1,19 +1,13 @@
 // Extensions-api -> Register page menu items
 import type { IconProps } from "../../renderer/components/icon";
 import type React from "react";
+import type { PageTarget, RegisteredPage } from "./page-registry";
 import { action } from "mobx";
 import { BaseRegistry } from "./base-registry";
 import { LensExtension } from "../lens-extension";
-import { RegisteredPage } from "./page-registry";
-
-export interface PageMenuTarget<P extends object = any> {
-  extensionId?: string;
-  pageId?: string;
-  params?: P;
-}
 
 export interface PageMenuRegistration {
-  target?: PageMenuTarget;
+  target?: PageTarget;
   title: React.ReactNode;
   components: PageMenuComponents;
 }
@@ -27,9 +21,9 @@ export interface PageMenuComponents {
   Icon: React.ComponentType<IconProps>;
 }
 
-export class GlobalPageMenuRegistry extends BaseRegistry<PageMenuRegistration> {
+export class PageMenuRegistry<T extends PageMenuRegistration> extends BaseRegistry<T> {
   @action
-  add(items: PageMenuRegistration[], ext: LensExtension) {
+  add(items: T[], ext: LensExtension) {
     const normalizedItems = items.map(menuItem => {
       menuItem.target = {
         extensionId: ext.name,
@@ -43,33 +37,25 @@ export class GlobalPageMenuRegistry extends BaseRegistry<PageMenuRegistration> {
   }
 }
 
-export class ClusterPageMenuRegistry extends BaseRegistry<ClusterPageMenuRegistration> {
+export class ClusterPageMenuRegistry extends PageMenuRegistry<ClusterPageMenuRegistration> {
-  @action
-  add(items: PageMenuRegistration[], ext: LensExtension) {
-    const normalizedItems = items.map(menuItem => {
-      menuItem.target = {
-        extensionId: ext.name,
-        ...(menuItem.target || {}),
-      };
-
-      return menuItem;
-    });
-
-    return super.add(normalizedItems);
-  }
-
   getRootItems() {
     return this.getItems().filter((item) => !item.parentId);
   }
 
   getSubItems(parent: ClusterPageMenuRegistration) {
-    return this.getItems().filter((item) => item.parentId === parent.id && item.target.extensionId === parent.target.extensionId);
+    return this.getItems().filter((item) => (
+      item.parentId === parent.id &&
+      item.target.extensionId === parent.target.extensionId
+    ));
   }
 
-  getByPage(page: RegisteredPage) {
+  getByPage({ id: pageId, extensionId }: RegisteredPage) {
-    return this.getItems().find((item) => item.target?.pageId == page.id && item.target?.extensionId === page.extensionId);
+    return this.getItems().find((item) => (
+      item.target.pageId == pageId &&
+      item.target.extensionId === extensionId
+    ));
   }
 }
 
-export const globalPageMenuRegistry = new GlobalPageMenuRegistry();
+export const globalPageMenuRegistry = new PageMenuRegistry();
 export const clusterPageMenuRegistry = new ClusterPageMenuRegistry();

src/extensions/registries/page-registry.ts

@@ -1,93 +1,120 @@
 // Extensions-api -> Custom page registration
-import type { PageMenuTarget } from "./page-menu-registry";
+
-import type React from "react";
+import React from "react";
-import path from "path";
+import { observer } from "mobx-react";
-import { action } from "mobx";
-import { compile } from "path-to-regexp";
 import { BaseRegistry } from "./base-registry";
 import { LensExtension, sanitizeExtensionName } from "../lens-extension";
-import logger from "../../main/logger";
+import { PageParam, PageParamInit } from "../../renderer/navigation/page-param";
-import { rectify } from "../../common/utils";
+import { createPageParam } from "../../renderer/navigation/helpers";
 
 export interface PageRegistration {
   /**
-   * Page ID or additional route path to indicate uniqueness within current extension registered pages
+   * Page ID, part of extension's page url, must be unique within same extension
-   * Might contain special url placeholders, e.g. "/users/:userId?" (? - marks as optional param)
    * When not provided, first registered page without "id" would be used for page-menus without target.pageId for same extension
    */
   id?: string;
-  /**
+  params?: PageParams<string | ExtensionPageParamInit>;
-   * Strict route matching to provided page-id, read also: https://reactrouter.com/web/api/NavLink/exact-bool
-   * In case when more than one page registered at same extension "pageId" is required to identify different pages,
-   * It might be useful to provide `exact: true` in some cases to avoid overlapping routes.
-   * Without {exact:true} second page never matches since first page-id/route already includes partial route.
-   * @example const pages = [
-   *  {id: "/users", exact: true},
-   *  {id: "/users/:userId?"}
-   * ]
-   * Pro-tip: registering pages in opposite order will make same effect without "exact".
-   */
-  exact?: boolean;
   components: PageComponents;
 }
 
-export interface RegisteredPage extends PageRegistration {
+// exclude "name" field since provided as key in page.params
-  extensionId: string; // required for compiling registered page to url with page-menu-target to compare
+export type ExtensionPageParamInit = Omit<PageParamInit, "name" | "isSystem">;
-  routePath: string; // full route-path to registered extension page
-}
 
 export interface PageComponents {
   Page: React.ComponentType<any>;
 }
 
-export function getExtensionPageUrl<P extends object>({ extensionId, pageId = "", params }: PageMenuTarget<P>): string {
+export interface PageTarget<P = PageParams> {
-  const extensionBaseUrl = compile(`/extension/:name`)({
+  extensionId?: string;
-    name: sanitizeExtensionName(extensionId), // compile only with extension-id first and define base path
+  pageId?: string;
-  });
+  params?: P;
-  const extPageRoutePath = path.posix.join(extensionBaseUrl, pageId);
-
-  if (params) {
-    return compile(extPageRoutePath)(params); // might throw error when required params not passed
-  }
-
-  return extPageRoutePath;
 }
 
-export class PageRegistry extends BaseRegistry<RegisteredPage> {
+export interface PageParams<V = any> {
-  @action
+  [paramName: string]: V;
-  add(items: PageRegistration | PageRegistration[], ext: LensExtension) {
+}
-    const itemArray = rectify(items);
-    let registeredPages: RegisteredPage[] = [];
 
-    try {
+export interface PageComponentProps<P extends PageParams = {}> {
-      registeredPages = itemArray.map(page => ({
+  params?: {
-        ...page,
+    [N in keyof P]: PageParam<P[N]>;
-        extensionId: ext.name,
+  }
-        routePath: getExtensionPageUrl({ extensionId: ext.name, pageId: page.id }),
+}
-      }));
+
-    } catch (err) {
+export interface RegisteredPage {
-      logger.error(`[EXTENSION]: page-registration failed`, {
+  id: string;
-        items,
+  extensionId: string;
-        extension: ext,
+  url: string; // registered extension's page URL (without page params)
-        error: String(err),
+  params: PageParams<PageParam>; // normalized params
+  components: PageComponents; // normalized components
+}
+
+export function getExtensionPageUrl(target: PageTarget): string {
+  const { extensionId, pageId = "", params: targetParams = {} } = target;
+
+  const pagePath = ["/extension", sanitizeExtensionName(extensionId), pageId]
+    .filter(Boolean)
+    .join("/").replace(/\/+/g, "/").replace(/\/$/, ""); // normalize multi-slashes (e.g. coming from page.id)
+
+  const pageUrl = new URL(pagePath, `http://localhost`);
+
+  // stringify params to matched target page
+  const registeredPage = globalPageRegistry.getByPageTarget(target) || clusterPageRegistry.getByPageTarget(target);
+
+  if (registeredPage?.params) {
+    Object.entries(registeredPage.params).forEach(([name, param]) => {
+      const paramValue = param.stringify(targetParams[name]);
+
+      if (param.init.skipEmpty && param.isEmpty(paramValue)) {
+        pageUrl.searchParams.delete(name);
+      } else {
+        pageUrl.searchParams.set(name, paramValue);
+      }
     });
   }
 
-    return super.add(registeredPages);
+  return pageUrl.href.replace(pageUrl.origin, "");
+}
+
+export class PageRegistry extends BaseRegistry<PageRegistration, RegisteredPage> {
+  protected getRegisteredItem(page: PageRegistration, ext: LensExtension): RegisteredPage {
+    const { id: pageId } = page;
+    const extensionId = ext.name;
+    const params = this.normalizeParams(page.params);
+    const components = this.normalizeComponents(page.components, params);
+    const url = getExtensionPageUrl({ extensionId, pageId });
+
+    return {
+      id: pageId, extensionId, params, components, url,
+    };
   }
 
-  getUrl<P extends object>({ extensionId, id: pageId }: RegisteredPage, params?: P) {
+  protected normalizeComponents(components: PageComponents, params?: PageParams<PageParam>): PageComponents {
-    return getExtensionPageUrl({ extensionId, pageId, params });
+    if (params) {
+      const { Page } = components;
+
+      components.Page = observer((props: object) => React.createElement(Page, { params, ...props }));
     }
 
-  getByPageMenuTarget(target: PageMenuTarget = {}): RegisteredPage | null {
+    return components;
-    const targetUrl = getExtensionPageUrl(target);
+  }
 
-    return this.getItems().find(({ id: pageId, extensionId }) => {
+  protected normalizeParams(params?: PageParams<string | ExtensionPageParamInit>): PageParams<PageParam> {
-      const pageUrl = getExtensionPageUrl({ extensionId, pageId, params: target.params }); // compiled with provided params
+    if (!params) {
+      return;
+    }
+    Object.entries(params).forEach(([name, value]) => {
+      const paramInit: PageParamInit = typeof value === "object"
+        ? { name, ...value }
+        : { name, defaultValue: value };
 
-      return targetUrl === pageUrl;
+      params[paramInit.name] = createPageParam(paramInit);
-    }) || null;
+    });
+
+    return params as PageParams<PageParam>;
+  }
+
+  getByPageTarget(target: PageTarget): RegisteredPage | null {
+    return this.getItems().find(page => page.extensionId === target.extensionId && page.id === target.pageId) || null;
   }
 }
 

src/extensions/renderer-api/navigation.ts

@@ -1,3 +1,12 @@
-export { navigate } from "../../renderer/navigation";
+import { PageParam, PageParamInit } from "../../renderer/navigation/page-param";
-export { hideDetails, showDetails, getDetailsUrl } from "../../renderer/navigation";
+import { navigation } from "../../renderer/navigation";
+
+export type { PageParamInit, PageParam } from "../../renderer/navigation/page-param";
+export { navigate, isActiveRoute } from "../../renderer/navigation/helpers";
+export { hideDetails, showDetails, getDetailsUrl } from "../../renderer/components/kube-object/kube-object-details";
 export { IURLParams } from "../../common/utils/buildUrl";
+
+// exporting to extensions-api version of helper without `isSystem` flag
+export function createPageParam<V = string>(init: PageParamInit<V>) {
+  return new PageParam<V>(init, navigation);
+}

src/renderer/api/api-manager.ts

@@ -50,8 +50,8 @@ export class ApiManager {
     });
   }
 
-  getStore(api: string | KubeApi): KubeObjectStore {
+  getStore<S extends KubeObjectStore>(api: string | KubeApi): S {
-    return this.stores.get(this.resolveApi(api));
+    return this.stores.get(this.resolveApi(api)) as S;
   }
 }
 

src/renderer/components/+apps-releases/release-details.tsx

@@ -20,13 +20,13 @@ import { Button } from "../button";
 import { releaseStore } from "./release.store";
 import { Notifications } from "../notifications";
 import { createUpgradeChartTab } from "../dock/upgrade-chart.store";
-import { getDetailsUrl } from "../../navigation";
 import { _i18n } from "../../i18n";
 import { themeStore } from "../../theme.store";
 import { apiManager } from "../../api/api-manager";
 import { SubTitle } from "../layout/sub-title";
 import { secretsStore } from "../+config-secrets/secrets.store";
 import { Secret } from "../../api/endpoints";
+import { getDetailsUrl } from "../kube-object";
 
 interface Props {
   release: HelmRelease;
@@ -161,10 +161,7 @@ export class ReleaseDetails extends Component<Props> {
               const name = item.getName();
               const namespace = item.getNs();
               const api = apiManager.getApi(item.metadata.selfLink);
-              const detailsUrl = api ? getDetailsUrl(api.getUrl({
+              const detailsUrl = api ? getDetailsUrl(api.getUrl({ name, namespace })) : "";
-                name,
-                namespace,
-              })) : "";
 
               return (
                 <TableRow key={item.getId()}>

src/renderer/components/+apps/apps.tsx

@@ -4,12 +4,12 @@ import { Trans } from "@lingui/macro";
 import { TabLayout, TabLayoutRoute } from "../layout/tab-layout";
 import { HelmCharts, helmChartsRoute, helmChartsURL } from "../+apps-helm-charts";
 import { HelmReleases, releaseRoute, releaseURL } from "../+apps-releases";
-import { namespaceStore } from "../+namespaces/namespace.store";
+import { namespaceUrlParam } from "../+namespaces/namespace.store";
 
 @observer
 export class Apps extends React.Component {
   static get tabRoutes(): TabLayoutRoute[] {
-    const query = namespaceStore.getContextParams();
+    const query = namespaceUrlParam.toObjectParam();
 
     return [
       {

src/renderer/components/+cluster/cluster-issues.tsx

@@ -10,11 +10,11 @@ import { Table, TableCell, TableHead, TableRow } from "../table";
 import { nodesStore } from "../+nodes/nodes.store";
 import { eventStore } from "../+events/event.store";
 import { autobind, cssNames, prevDefault } from "../../utils";
-import { getSelectedDetails, showDetails } from "../../navigation";
 import { ItemObject } from "../../item.store";
 import { Spinner } from "../spinner";
 import { themeStore } from "../../theme.store";
 import { lookupApiLink } from "../../api/kube-api";
+import { kubeSelectedUrlParam, showDetails } from "../kube-object";
 
 interface Props {
   className?: string;
@@ -85,7 +85,7 @@ export class ClusterIssues extends React.Component<Props> {
       <TableRow
         key={getId()}
         sortItem={warning}
-        selected={selfLink === getSelectedDetails()}
+        selected={selfLink === kubeSelectedUrlParam.get()}
         onClick={prevDefault(() => showDetails(selfLink))}
       >
         <TableCell className="message">

src/renderer/components/+config-autoscalers/hpa-details.tsx

@@ -5,13 +5,12 @@ import { observer } from "mobx-react";
 import { Link } from "react-router-dom";
 import { DrawerItem, DrawerTitle } from "../drawer";
 import { Badge } from "../badge";
-import { KubeObjectDetailsProps } from "../kube-object";
+import { KubeObjectDetailsProps, getDetailsUrl } from "../kube-object";
 import { cssNames } from "../../utils";
 import { HorizontalPodAutoscaler, HpaMetricType, IHpaMetric } from "../../api/endpoints/hpa.api";
 import { KubeEventDetails } from "../+events/kube-event-details";
 import { Trans } from "@lingui/macro";
 import { Table, TableCell, TableHead, TableRow } from "../table";
-import { getDetailsUrl } from "../../navigation";
 import { lookupApiLink } from "../../api/kube-api";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";

src/renderer/components/+config-secrets/add-secret-dialog.tsx

@@ -17,8 +17,8 @@ import { Icon } from "../icon";
 import { IKubeObjectMetadata } from "../../api/kube-object";
 import { base64 } from "../../utils";
 import { Notifications } from "../notifications";
-import { showDetails } from "../../navigation";
 import upperFirst from "lodash/upperFirst";
+import { showDetails } from "../kube-object";
 
 interface Props extends Partial<DialogProps> {
 }

src/renderer/components/+config/config.tsx

@@ -4,7 +4,7 @@ import { Trans } from "@lingui/macro";
 import { TabLayout, TabLayoutRoute } from "../layout/tab-layout";
 import { ConfigMaps, configMapsRoute, configMapsURL } from "../+config-maps";
 import { Secrets, secretsRoute, secretsURL } from "../+config-secrets";
-import { namespaceStore } from "../+namespaces/namespace.store";
+import { namespaceUrlParam } from "../+namespaces/namespace.store";
 import { resourceQuotaRoute, ResourceQuotas, resourceQuotaURL } from "../+config-resource-quotas";
 import { pdbRoute, pdbURL, PodDisruptionBudgets } from "../+config-pod-disruption-budgets";
 import { HorizontalPodAutoscalers, hpaRoute, hpaURL } from "../+config-autoscalers";
@@ -13,7 +13,7 @@ import { isAllowedResource } from "../../../common/rbac";
 @observer
 export class Config extends React.Component {
   static get tabRoutes(): TabLayoutRoute[] {
-    const query = namespaceStore.getContextParams();
+    const query = namespaceUrlParam.toObjectParam();
     const routes: TabLayoutRoute[] = [];
 
     if (isAllowedResource("configmaps")) {

src/renderer/components/+custom-resources/crd-list.tsx

@@ -10,9 +10,16 @@ import { KubeObjectListLayout } from "../kube-object";
 import { crdStore } from "./crd.store";
 import { CustomResourceDefinition } from "../../api/endpoints/crd.api";
 import { Select, SelectOption } from "../select";
-import { navigation, setQueryParams } from "../../navigation";
+import { createPageParam } from "../../navigation";
 import { Icon } from "../icon";
 
+export const crdGroupsUrlParam = createPageParam<string[]>({
+  name: "groups",
+  multiValues: true,
+  isSystem: true,
+  defaultValue: [],
+});
+
 enum sortBy {
   kind = "kind",
   group = "group",
@@ -23,17 +30,19 @@ enum sortBy {
 
 @observer
 export class CrdList extends React.Component {
-  @computed get groups() {
+  @computed get groups(): string[] {
-    return navigation.searchParams.getAsArray("groups");
+    return crdGroupsUrlParam.get();
   }
 
-  onGroupChange(group: string) {
+  onSelectGroup(group: string) {
-    const groups = [...this.groups];
+    const groups = new Set(this.groups);
-    const index = groups.findIndex(item => item == group);
 
-    if (index !== -1) groups.splice(index, 1);
+    if (groups.has(group)) {
-    else groups.push(group);
+      groups.delete(group); // toggle selection
-    setQueryParams({ groups });
+    } else {
+      groups.add(group);
+    }
+    crdGroupsUrlParam.set(Array.from(groups));
   }
 
   render() {
@@ -71,7 +80,7 @@ export class CrdList extends React.Component {
                 className="group-select"
                 placeholder={placeholder}
                 options={Object.keys(crdStore.groups)}
-                onChange={({ value: group }: SelectOption) => this.onGroupChange(group)}
+                onChange={({ value: group }: SelectOption) => this.onSelectGroup(group)}
                 controlShouldRenderValue={false}
                 formatOptionLabel={({ value: group }: SelectOption) => {
                   const isSelected = selectedGroups.includes(group);

src/renderer/components/+events/event-details.tsx

@@ -6,10 +6,9 @@ import { Trans } from "@lingui/macro";
 import { DrawerItem, DrawerTitle } from "../drawer";
 import { Link } from "react-router-dom";
 import { observer } from "mobx-react";
-import { KubeObjectDetailsProps } from "../kube-object";
+import { KubeObjectDetailsProps, getDetailsUrl } from "../kube-object";
 import { KubeEvent } from "../../api/endpoints/events.api";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
-import { getDetailsUrl } from "../../navigation";
 import { Table, TableCell, TableHead, TableRow } from "../table";
 import { lookupApiLink } from "../../api/kube-api";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";

src/renderer/components/+events/events.tsx

@@ -4,14 +4,13 @@ import React, { Fragment } from "react";
 import { observer } from "mobx-react";
 import { TabLayout } from "../layout/tab-layout";
 import { eventStore } from "./event.store";
-import { KubeObjectListLayout, KubeObjectListLayoutProps } from "../kube-object";
+import { KubeObjectListLayout, KubeObjectListLayoutProps, getDetailsUrl } from "../kube-object";
 import { Trans } from "@lingui/macro";
 import { KubeEvent } from "../../api/endpoints/events.api";
 import { Tooltip } from "../tooltip";
 import { Link } from "react-router-dom";
 import { cssNames, IClassName, stopPropagation } from "../../utils";
 import { Icon } from "../icon";
-import { getDetailsUrl } from "../../navigation";
 import { lookupApiLink } from "../../api/kube-api";
 
 enum sortBy {

src/renderer/components/+namespaces/namespace-details.tsx

@@ -7,9 +7,8 @@ import { Trans } from "@lingui/macro";
 import { DrawerItem } from "../drawer";
 import { cssNames } from "../../utils";
 import { Namespace } from "../../api/endpoints";
-import { KubeObjectDetailsProps } from "../kube-object";
+import { getDetailsUrl, KubeObjectDetailsProps } from "../kube-object";
 import { Link } from "react-router-dom";
-import { getDetailsUrl } from "../../navigation";
 import { Spinner } from "../spinner";
 import { resourceQuotaStore } from "../+config-resource-quotas/resource-quotas.store";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";

src/renderer/components/+namespaces/namespace.store.ts

@@ -1,44 +1,52 @@
-import { action, observable, reaction } from "mobx";
+import { action, comparer, observable, reaction } from "mobx";
 import { autobind, createStorage } from "../../utils";
 import { KubeObjectStore } from "../../kube-object.store";
 import { Namespace, namespacesApi } from "../../api/endpoints";
-import { IQueryParams, navigation, setQueryParams } from "../../navigation";
+import { createPageParam } from "../../navigation";
 import { apiManager } from "../../api/api-manager";
 import { isAllowedResource } from "../../../common/rbac";
 import { getHostedCluster } from "../../../common/cluster-store";
 
+const storage = createStorage<string[]>("context_namespaces", []);
+
+export const namespaceUrlParam = createPageParam<string[]>({
+  name: "namespaces",
+  isSystem: true,
+  multiValues: true,
+  get defaultValue() {
+    return storage.get(); // initial namespaces coming from URL or local-storage (default)
+  }
+});
+
 @autobind()
 export class NamespaceStore extends KubeObjectStore<Namespace> {
   api = namespacesApi;
   contextNs = observable.array<string>();
 
-  protected storage = createStorage<string[]>("context_ns", this.contextNs);
-
-  get initNamespaces() {
-    const fromUrl = navigation.searchParams.getAsArray("namespaces");
-
-    return fromUrl.length ? fromUrl : this.storage.get();
-  }
-
   constructor() {
     super();
+    this.init();
+  }
 
-    // restore context namespaces
+  private init() {
-    const { initNamespaces: namespaces } = this;
+    this.setContext(this.initNamespaces);
 
-    this.setContext(namespaces);
+    return reaction(() => this.contextNs.toJS(), namespaces => {
-    this.updateUrl(namespaces);
+      storage.set(namespaces); // save to local-storage
-
+      namespaceUrlParam.set(namespaces, { replaceHistory: true }); // update url
-    // sync with local-storage & url-search-params
+    }, {
-    reaction(() => this.contextNs.toJS(), namespaces => {
+      fireImmediately: true,
-      this.storage.set(namespaces);
+      equals: comparer.identity,
-      this.updateUrl(namespaces);
     });
   }
 
-  getContextParams(): Partial<IQueryParams> {
+  get initNamespaces() {
+    return namespaceUrlParam.get();
+  }
+
+  getContextParams() {
     return {
-      namespaces: this.contextNs
+      namespaces: this.contextNs.toJS(),
     };
   }
 
@@ -47,16 +55,12 @@ export class NamespaceStore extends KubeObjectStore<Namespace> {
 
     // if user has given static list of namespaces let's not start watches because watch adds stuff that's not wanted
     if (accessibleNamespaces.length > 0) {
-      return () => { return; };
+      return Function; // no-op
     }
 
     return super.subscribe(apis);
   }
 
-  protected updateUrl(namespaces: string[]) {
-    setQueryParams({ namespaces }, { replace: true });
-  }
-
   protected async loadItems(namespaces?: string[]) {
     if (!isAllowedResource("namespaces")) {
       if (namespaces) return namespaces.map(this.getDummyNamespace);
@@ -84,6 +88,7 @@ export class NamespaceStore extends KubeObjectStore<Namespace> {
     });
   }
 
+  @action
   setContext(namespaces: string[]) {
     this.contextNs.replace(namespaces);
   }
@@ -94,6 +99,7 @@ export class NamespaceStore extends KubeObjectStore<Namespace> {
     return context.every(namespace => this.contextNs.includes(namespace));
   }
 
+  @action
   toggleContext(namespace: string) {
     if (this.hasContext(namespace)) this.contextNs.remove(namespace);
     else this.contextNs.push(namespace);
@@ -105,6 +111,7 @@ export class NamespaceStore extends KubeObjectStore<Namespace> {
     this.contextNs.clear();
   }
 
+  @action
   async remove(item: Namespace) {
     await super.remove(item);
     this.contextNs.remove(item.getName());

src/renderer/components/+network-endpoints/endpoint-subset-list.tsx

@@ -7,8 +7,8 @@ import { Trans } from "@lingui/macro";
 import { Table, TableCell, TableHead, TableRow } from "../table";
 import { autobind } from "../../utils";
 import { lookupApiLink } from "../../api/kube-api";
-import { getDetailsUrl } from "../../navigation";
 import { Link } from "react-router-dom";
+import { getDetailsUrl } from "../kube-object";
 
 interface Props {
   subset: EndpointSubset;

src/renderer/components/+network-services/service-details-endpoint.tsx

@@ -3,10 +3,10 @@ import { observer } from "mobx-react";
 import React from "react";
 import { Table, TableHead, TableCell, TableRow } from "../table";
 import { prevDefault } from "../../utils";
-import { showDetails } from "../../navigation";
 import { Trans } from "@lingui/macro";
 import { endpointStore } from "../+network-endpoints/endpoints.store";
 import { Spinner } from "../spinner";
+import { showDetails } from "../kube-object";
 
 interface Props {
   endpoint: KubeObject;

src/renderer/components/+network/network.tsx

@@ -8,13 +8,13 @@ import { Services, servicesRoute, servicesURL } from "../+network-services";
 import { endpointRoute, Endpoints, endpointURL } from "../+network-endpoints";
 import { Ingresses, ingressRoute, ingressURL } from "../+network-ingresses";
 import { NetworkPolicies, networkPoliciesRoute, networkPoliciesURL } from "../+network-policies";
-import { namespaceStore } from "../+namespaces/namespace.store";
+import { namespaceUrlParam } from "../+namespaces/namespace.store";
 import { isAllowedResource } from "../../../common/rbac";
 
 @observer
 export class Network extends React.Component {
   static get tabRoutes(): TabLayoutRoute[] {
-    const query = namespaceStore.getContextParams();
+    const query = namespaceUrlParam.toObjectParam();
     const routes: TabLayoutRoute[] = [];
 
     if (isAllowedResource("services")) {

src/renderer/components/+storage-volume-claims/volume-claim-details.tsx

@@ -10,13 +10,11 @@ import { podsStore } from "../+workloads-pods/pods.store";
 import { Link } from "react-router-dom";
 import { KubeEventDetails } from "../+events/kube-event-details";
 import { volumeClaimStore } from "./volume-claim.store";
-import { getDetailsUrl } from "../../navigation";
 import { ResourceMetrics } from "../resource-metrics";
 import { VolumeClaimDiskChart } from "./volume-claim-disk-chart";
-import { KubeObjectDetailsProps } from "../kube-object";
+import { getDetailsUrl, KubeObjectDetailsProps, KubeObjectMeta } from "../kube-object";
 import { PersistentVolumeClaim } from "../../api/endpoints";
 import { _i18n } from "../../i18n";
-import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 
 interface Props extends KubeObjectDetailsProps<PersistentVolumeClaim> {

src/renderer/components/+storage-volume-claims/volume-claims.tsx

@@ -7,11 +7,10 @@ import { Trans } from "@lingui/macro";
 import { volumeClaimStore } from "./volume-claim.store";
 import { PersistentVolumeClaim } from "../../api/endpoints/persistent-volume-claims.api";
 import { podsStore } from "../+workloads-pods/pods.store";
-import { KubeObjectListLayout } from "../kube-object";
+import { getDetailsUrl, KubeObjectListLayout } from "../kube-object";
 import { IVolumeClaimsRouteParams } from "./volume-claims.route";
 import { unitsToBytes } from "../../utils/convertMemory";
 import { stopPropagation } from "../../utils";
-import { getDetailsUrl } from "../../navigation";
 import { storageClassApi } from "../../api/endpoints";
 import { KubeObjectStatusIcon } from "../kube-object-status-icon";
 

src/renderer/components/+storage-volumes/volume-details.tsx

@@ -8,9 +8,8 @@ import { observer } from "mobx-react";
 import { DrawerItem, DrawerTitle } from "../drawer";
 import { Badge } from "../badge";
 import { KubeEventDetails } from "../+events/kube-event-details";
-import { getDetailsUrl } from "../../navigation";
 import { PersistentVolume, pvcApi } from "../../api/endpoints";
-import { KubeObjectDetailsProps } from "../kube-object";
+import { getDetailsUrl, KubeObjectDetailsProps } from "../kube-object";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 

src/renderer/components/+storage-volumes/volumes.tsx

@@ -5,10 +5,9 @@ import { observer } from "mobx-react";
 import { Trans } from "@lingui/macro";
 import { Link, RouteComponentProps } from "react-router-dom";
 import { PersistentVolume } from "../../api/endpoints/persistent-volume.api";
-import { KubeObjectListLayout } from "../kube-object";
+import { getDetailsUrl, KubeObjectListLayout } from "../kube-object";
 import { IVolumesRouteParams } from "./volumes.route";
 import { stopPropagation } from "../../utils";
-import { getDetailsUrl } from "../../navigation";
 import { volumesStore } from "./volumes.store";
 import { pvcApi, storageClassApi } from "../../api/endpoints";
 import { KubeObjectStatusIcon } from "../kube-object-status-icon";

src/renderer/components/+storage/storage.tsx

@@ -7,14 +7,14 @@ import { TabLayout, TabLayoutRoute } from "../layout/tab-layout";
 import { PersistentVolumes, volumesRoute, volumesURL } from "../+storage-volumes";
 import { StorageClasses, storageClassesRoute, storageClassesURL } from "../+storage-classes";
 import { PersistentVolumeClaims, volumeClaimsRoute, volumeClaimsURL } from "../+storage-volume-claims";
-import { namespaceStore } from "../+namespaces/namespace.store";
+import { namespaceUrlParam } from "../+namespaces/namespace.store";
 import { isAllowedResource } from "../../../common/rbac";
 
 @observer
 export class Storage extends React.Component {
   static get tabRoutes() {
     const tabRoutes: TabLayoutRoute[] = [];
-    const query = namespaceStore.getContextParams();
+    const query = namespaceUrlParam.toObjectParam();
 
     tabRoutes.push({
       title: <Trans>Persistent Volume Claims</Trans>,

src/renderer/components/+user-management-roles-bindings/add-role-binding-dialog.tsx

@@ -16,11 +16,11 @@ import { NamespaceSelect } from "../+namespaces/namespace-select";
 import { Checkbox } from "../checkbox";
 import { KubeObject } from "../../api/kube-object";
 import { Notifications } from "../notifications";
-import { showDetails } from "../../navigation";
 import { rolesStore } from "../+user-management-roles/roles.store";
 import { namespaceStore } from "../+namespaces/namespace.store";
 import { serviceAccountsStore } from "../+user-management-service-accounts/service-accounts.store";
 import { roleBindingsStore } from "./role-bindings.store";
+import { showDetails } from "../kube-object";
 
 interface BindingSelectOption extends SelectOption {
   value: string; // binding name

src/renderer/components/+user-management-roles/add-role-dialog.tsx

@@ -10,7 +10,7 @@ import { Wizard, WizardStep } from "../wizard";
 import { Notifications } from "../notifications";
 import { rolesStore } from "./roles.store";
 import { Input } from "../input";
-import { showDetails } from "../../navigation";
+import { showDetails } from "../kube-object";
 
 interface Props extends Partial<DialogProps> {
 }

src/renderer/components/+user-management-service-accounts/create-service-account-dialog.tsx

@@ -13,7 +13,7 @@ import { Input } from "../input";
 import { systemName } from "../input/input_validators";
 import { NamespaceSelect } from "../+namespaces/namespace-select";
 import { Notifications } from "../notifications";
-import { showDetails } from "../../navigation";
+import { showDetails } from "../kube-object";
 
 interface Props extends Partial<DialogProps> {
 }

src/renderer/components/+user-management-service-accounts/service-accounts-details.tsx

@@ -11,8 +11,7 @@ import { secretsStore } from "../+config-secrets/secrets.store";
 import { Link } from "react-router-dom";
 import { Secret, ServiceAccount } from "../../api/endpoints";
 import { KubeEventDetails } from "../+events/kube-event-details";
-import { getDetailsUrl } from "../../navigation";
+import { getDetailsUrl, KubeObjectDetailsProps } from "../kube-object";
-import { KubeObjectDetailsProps } from "../kube-object";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { Icon } from "../icon";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";

src/renderer/components/+user-management/user-management.tsx

@@ -7,7 +7,7 @@ import { Roles } from "../+user-management-roles";
 import { RoleBindings } from "../+user-management-roles-bindings";
 import { ServiceAccounts } from "../+user-management-service-accounts";
 import { roleBindingsRoute, roleBindingsURL, rolesRoute, rolesURL, serviceAccountsRoute, serviceAccountsURL } from "./user-management.route";
-import { namespaceStore } from "../+namespaces/namespace.store";
+import { namespaceUrlParam } from "../+namespaces/namespace.store";
 import { PodSecurityPolicies, podSecurityPoliciesRoute, podSecurityPoliciesURL } from "../+pod-security-policies";
 import { isAllowedResource } from "../../../common/rbac";
 
@@ -15,7 +15,7 @@ import { isAllowedResource } from "../../../common/rbac";
 export class UserManagement extends React.Component {
   static get tabRoutes() {
     const tabRoutes: TabLayoutRoute[] = [];
-    const query = namespaceStore.getContextParams();
+    const query = namespaceUrlParam.toObjectParam();
 
     tabRoutes.push(
       {

src/renderer/components/+workloads-cronjobs/cronjob-details.tsx

@@ -10,8 +10,7 @@ import { jobStore } from "../+workloads-jobs/job.store";
 import { Link } from "react-router-dom";
 import { KubeEventDetails } from "../+events/kube-event-details";
 import { cronJobStore } from "./cronjob.store";
-import { getDetailsUrl } from "../../navigation";
+import { getDetailsUrl, KubeObjectDetailsProps } from "../kube-object";
-import { KubeObjectDetailsProps } from "../kube-object";
 import { CronJob, Job } from "../../api/endpoints";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";

src/renderer/components/+workloads-jobs/job-details.tsx

@@ -13,8 +13,7 @@ import { PodDetailsAffinities } from "../+workloads-pods/pod-details-affinities"
 import { KubeEventDetails } from "../+events/kube-event-details";
 import { podsStore } from "../+workloads-pods/pods.store";
 import { jobStore } from "./job.store";
-import { getDetailsUrl } from "../../navigation";
+import { getDetailsUrl, KubeObjectDetailsProps } from "../kube-object";
-import { KubeObjectDetailsProps } from "../kube-object";
 import { Job } from "../../api/endpoints";
 import { PodDetailsList } from "../+workloads-pods/pod-details-list";
 import { lookupApiLink } from "../../api/kube-api";

src/renderer/components/+workloads-pods/pod-details-list.tsx

@@ -2,6 +2,7 @@ import "./pod-details-list.scss";
 
 import React from "react";
 import kebabCase from "lodash/kebabCase";
+import { reaction } from "mobx";
 import { disposeOnUnmount, observer } from "mobx-react";
 import { Trans } from "@lingui/macro";
 import { podsStore } from "./pods.store";
@@ -10,11 +11,10 @@ import { autobind, bytesToUnits, cssNames, interval, prevDefault } from "../../u
 import { LineProgress } from "../line-progress";
 import { KubeObject } from "../../api/kube-object";
 import { Table, TableCell, TableHead, TableRow } from "../table";
-import { showDetails } from "../../navigation";
-import { reaction } from "mobx";
 import { Spinner } from "../spinner";
 import { DrawerTitle } from "../drawer";
 import { KubeObjectStatusIcon } from "../kube-object-status-icon";
+import { showDetails } from "../kube-object";
 
 enum sortBy {
   name = "name",

src/renderer/components/+workloads-pods/pod-details-secrets.tsx

@@ -5,7 +5,7 @@ import { Link } from "react-router-dom";
 import { autorun, observable } from "mobx";
 import { disposeOnUnmount, observer } from "mobx-react";
 import { Pod, Secret, secretsApi } from "../../api/endpoints";
-import { getDetailsUrl } from "../../navigation";
+import { getDetailsUrl } from "../kube-object";
 
 interface Props {
   pod: Pod;

src/renderer/components/+workloads-pods/pod-details.tsx

@@ -18,8 +18,7 @@ import { KubeEventDetails } from "../+events/kube-event-details";
 import { PodDetailsSecrets } from "./pod-details-secrets";
 import { ResourceMetrics } from "../resource-metrics";
 import { podsStore } from "./pods.store";
-import { getDetailsUrl } from "../../navigation";
+import { getDetailsUrl, KubeObjectDetailsProps } from "../kube-object";
-import { KubeObjectDetailsProps } from "../kube-object";
 import { getItemMetrics } from "../../api/endpoints/metrics.api";
 import { PodCharts, podMetricTabs } from "./pod-charts";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";

src/renderer/components/+workloads-pods/pods.tsx

@@ -9,11 +9,10 @@ import { RouteComponentProps } from "react-router";
 import { volumeClaimStore } from "../+storage-volume-claims/volume-claim.store";
 import { IPodsRouteParams } from "../+workloads";
 import { eventStore } from "../+events/event.store";
-import { KubeObjectListLayout } from "../kube-object";
+import { getDetailsUrl, KubeObjectListLayout } from "../kube-object";
 import { nodesApi, Pod } from "../../api/endpoints";
 import { StatusBrick } from "../status-brick";
 import { cssNames, stopPropagation } from "../../utils";
-import { getDetailsUrl } from "../../navigation";
 import toPairs from "lodash/toPairs";
 import startCase from "lodash/startCase";
 import kebabCase from "lodash/kebabCase";

src/renderer/components/+workloads/workloads.tsx

@@ -6,7 +6,7 @@ import { Trans } from "@lingui/macro";
 import { TabLayout, TabLayoutRoute } from "../layout/tab-layout";
 import { WorkloadsOverview } from "../+workloads-overview/overview";
 import { cronJobsRoute, cronJobsURL, daemonSetsRoute, daemonSetsURL, deploymentsRoute, deploymentsURL, jobsRoute, jobsURL, overviewRoute, overviewURL, podsRoute, podsURL, replicaSetsRoute, replicaSetsURL, statefulSetsRoute, statefulSetsURL } from "./workloads.route";
-import { namespaceStore } from "../+namespaces/namespace.store";
+import { namespaceUrlParam } from "../+namespaces/namespace.store";
 import { Pods } from "../+workloads-pods";
 import { Deployments } from "../+workloads-deployments";
 import { DaemonSets } from "../+workloads-daemonsets";
@@ -19,7 +19,7 @@ import { ReplicaSets } from "../+workloads-replicasets";
 @observer
 export class Workloads extends React.Component {
   static get tabRoutes(): TabLayoutRoute[] {
-    const query = namespaceStore.getContextParams();
+    const query = namespaceUrlParam.toObjectParam();
     const routes: TabLayoutRoute[] = [
       {
         title: <Trans>Overview</Trans>,

src/renderer/components/app.tsx

@@ -41,10 +41,10 @@ import { broadcastMessage, requestMain } from "../../common/ipc";
 import whatInput from "what-input";
 import { clusterSetFrameIdHandler } from "../../common/cluster-ipc";
 import { ClusterPageMenuRegistration, clusterPageMenuRegistry } from "../../extensions/registries";
-import { TabLayoutRoute, TabLayout } from "./layout/tab-layout";
+import { TabLayout, TabLayoutRoute } from "./layout/tab-layout";
 import { StatefulSetScaleDialog } from "./+workloads-statefulsets/statefulset-scale-dialog";
 import { eventStore } from "./+events/event.store";
-import { reaction, computed } from "mobx";
+import { computed, reaction } from "mobx";
 import { nodesStore } from "./+nodes/nodes.store";
 import { podsStore } from "./+workloads-pods/pods.store";
 import { sum } from "lodash";
@@ -129,16 +129,15 @@ export class App extends React.Component {
     if (!menuItem.id) {
       return routes;
     }
-    clusterPageMenuRegistry.getSubItems(menuItem).forEach((item) => {
+    clusterPageMenuRegistry.getSubItems(menuItem).forEach((subMenu) => {
-      const page = clusterPageRegistry.getByPageMenuTarget(item.target);
+      const page = clusterPageRegistry.getByPageTarget(subMenu.target);
 
       if (page) {
         routes.push({
-          routePath: page.routePath,
+          routePath: page.url,
-          url: getExtensionPageUrl({ extensionId: page.extensionId, pageId: page.id, params: item.target.params }),
+          url: getExtensionPageUrl(subMenu.target),
-          title: item.title,
+          title: subMenu.title,
           component: page.components.Page,
-          exact: page.exact
         });
       }
     });
@@ -151,14 +150,14 @@ export class App extends React.Component {
       const tabRoutes = this.getTabLayoutRoutes(menu);
 
       if (tabRoutes.length > 0) {
-        const pageComponent = () => <TabLayout tabs={tabRoutes} />;
+        const pageComponent = () => <TabLayout tabs={tabRoutes}/>;
 
-        return <Route key={`extension-tab-layout-route-${index}`} component={pageComponent} path={tabRoutes.map((tab) => tab.routePath)} />;
+        return <Route key={`extension-tab-layout-route-${index}`} component={pageComponent} path={tabRoutes.map((tab) => tab.routePath)}/>;
       } else {
-        const page = clusterPageRegistry.getByPageMenuTarget(menu.target);
+        const page = clusterPageRegistry.getByPageTarget(menu.target);
 
         if (page) {
-          return <Route key={`extension-tab-layout-route-${index}`} path={page.routePath} exact={page.exact} component={page.components.Page}/>;
+          return <Route key={`extension-tab-layout-route-${index}`} path={page.url} component={page.components.Page}/>;
         }
       }
     });
@@ -169,7 +168,7 @@ export class App extends React.Component {
       const menu = clusterPageMenuRegistry.getByPage(page);
 
       if (!menu) {
-        return <Route key={`extension-route-${index}`} path={page.routePath} exact={page.exact} component={page.components.Page}/>;
+        return <Route key={`extension-route-${index}`} path={page.url} component={page.components.Page}/>;
       }
     });
   }

src/renderer/components/cluster-manager/cluster-manager.tsx

@@ -71,8 +71,8 @@ export class ClusterManager extends React.Component {
             <Route component={AddCluster} {...addClusterRoute} />
             <Route component={ClusterView} {...clusterViewRoute} />
             <Route component={ClusterSettings} {...clusterSettingsRoute} />
-            {globalPageRegistry.getItems().map(({ routePath, exact, components: { Page } }) => {
+            {globalPageRegistry.getItems().map(({ url, components: { Page } }) => {
-              return <Route key={routePath} path={routePath} component={Page} exact={exact}/>;
+              return <Route key={url} path={url} component={Page}/>;
             })}
             <Redirect exact to={this.startUrl}/>
           </Switch>

src/renderer/components/cluster-manager/clusters-menu.tsx

@@ -15,7 +15,7 @@ import { ClusterIcon } from "../cluster-icon";
 import { Icon } from "../icon";
 import { autobind, cssNames, IClassName } from "../../utils";
 import { Badge } from "../badge";
-import { navigate, navigation } from "../../navigation";
+import { isActiveRoute, navigate } from "../../navigation";
 import { addClusterURL } from "../+add-cluster";
 import { clusterSettingsURL } from "../+cluster-settings";
 import { landingURL } from "../+landing-page";
@@ -158,12 +158,13 @@ export class ClustersMenu extends React.Component<Props> {
         </div>
         <div className="extensions">
           {globalPageMenuRegistry.getItems().map(({ title, target, components: { Icon } }) => {
-            const registeredPage = globalPageRegistry.getByPageMenuTarget(target);
+            const registeredPage = globalPageRegistry.getByPageTarget(target);
 
-            if (!registeredPage) return;
+            if (!registeredPage){
-            const { extensionId, id: pageId } = registeredPage;
+              return;
-            const pageUrl = getExtensionPageUrl({ extensionId, pageId, params: target.params });
+            }
-            const isActive = pageUrl === navigation.location.pathname;
+            const pageUrl = getExtensionPageUrl(target);
+            const isActive = isActiveRoute(registeredPage.url);
 
             return (
               <Icon

src/renderer/components/icon/icon.tsx

@@ -114,7 +114,13 @@ export class Icon extends React.PureComponent<IconProps> {
 
     // render icon type
     if (link) {
-      return <NavLink {...iconProps} to={link}/>;
+      const { className, children } = iconProps;
+
+      return (
+        <NavLink className={className} to={link}>
+          {children}
+        </NavLink>
+      );
     }
 
     if (href) {

src/renderer/components/input/search-input-url.tsx

@@ -2,9 +2,15 @@ import React from "react";
 import debounce from "lodash/debounce";
 import { autorun, observable } from "mobx";
 import { disposeOnUnmount, observer } from "mobx-react";
-import { getSearch, setSearch } from "../../navigation";
 import { InputProps } from "./input";
 import { SearchInput } from "./search-input";
+import { createPageParam } from "../../navigation";
+
+export const searchUrlParam = createPageParam({
+  name: "search",
+  isSystem: true,
+  defaultValue: "",
+});
 
 interface Props extends InputProps {
   compact?: boolean; // show only search-icon when not focused
@@ -12,11 +18,11 @@ interface Props extends InputProps {
 
 @observer
 export class SearchInputUrl extends React.Component<Props> {
-  @observable inputVal = ""; // fix: use empty string to avoid react warnings
+  @observable inputVal = ""; // fix: use empty string on init to avoid react warnings
 
   @disposeOnUnmount
-  updateInput = autorun(() => this.inputVal = getSearch());
+  updateInput = autorun(() => this.inputVal = searchUrlParam.get());
-  updateUrl = debounce((val: string) => setSearch(val), 250);
+  updateUrl = debounce((val: string) => searchUrlParam.set(val), 250);
 
   setValue = (value: string) => {
     this.inputVal = value;

src/renderer/components/item-object-list/page-filters.store.ts

@@ -1,7 +1,7 @@
 import { computed, observable, reaction } from "mobx";
 import { autobind } from "../../utils";
-import { getSearch, setSearch } from "../../navigation";
 import { namespaceStore } from "../+namespaces/namespace.store";
+import { searchUrlParam } from "../input/search-input-url";
 
 export enum FilterType {
   SEARCH = "search",
@@ -54,8 +54,8 @@ export class PageFiltersStore {
 
   protected syncWithGlobalSearch() {
     const disposers = [
-      reaction(() => this.getValues(FilterType.SEARCH)[0], setSearch),
+      reaction(() => this.getValues(FilterType.SEARCH)[0], search => searchUrlParam.set(search)),
-      reaction(() => getSearch(), search => {
+      reaction(() => searchUrlParam.get(), search => {
         const filter = this.getByType(FilterType.SEARCH);
 
         if (filter) {

src/renderer/components/kube-object/kube-object-details.tsx

@@ -4,7 +4,7 @@ import React from "react";
 import { disposeOnUnmount, observer } from "mobx-react";
 import { computed, observable, reaction } from "mobx";
 import { Trans } from "@lingui/macro";
-import { getDetails, hideDetails } from "../../navigation";
+import { createPageParam, navigation } from "../../navigation";
 import { Drawer } from "../drawer";
 import { KubeObject } from "../../api/kube-object";
 import { Spinner } from "../spinner";
@@ -14,6 +14,43 @@ import { CrdResourceDetails } from "../+custom-resources";
 import { KubeObjectMenu } from "./kube-object-menu";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 
+export const kubeDetailsUrlParam = createPageParam({
+  name: "kube-details",
+  isSystem: true,
+});
+
+export const kubeSelectedUrlParam = createPageParam({
+  name: "kube-selected",
+  isSystem: true,
+  get defaultValue() {
+    return kubeDetailsUrlParam.get();
+  }
+});
+
+export function showDetails(details = "", resetSelected = true) {
+  const detailsUrl = getDetailsUrl(details, resetSelected);
+
+  navigation.merge({ search: detailsUrl });
+}
+
+export function hideDetails() {
+  showDetails();
+}
+
+export function getDetailsUrl(details: string, resetSelected = false) {
+  const detailsUrl = kubeDetailsUrlParam.toSearchString({ value: details });
+
+  if (resetSelected) {
+    const params = new URLSearchParams(detailsUrl);
+
+    params.delete(kubeSelectedUrlParam.name);
+
+    return `?${params.toString()}`;
+  }
+
+  return detailsUrl;
+}
+
 export interface KubeObjectDetailsProps<T = KubeObject> {
   className?: string;
   object: T;
@@ -25,7 +62,7 @@ export class KubeObjectDetails extends React.Component {
   @observable.ref loadingError: React.ReactNode;
 
   @computed get path() {
-    return getDetails();
+    return kubeDetailsUrlParam.get();
   }
 
   @computed get object() {
@@ -70,7 +107,7 @@ export class KubeObjectDetails extends React.Component {
     const { object, isLoading, loadingError, isCrdInstance } = this;
     const isOpen = !!(object || isLoading || loadingError);
     let title = "";
-    let details: JSX.Element[];
+    let details: React.ReactNode[];
 
     if (object) {
       const { kind, getName } = object;
@@ -81,7 +118,7 @@ export class KubeObjectDetails extends React.Component {
       });
 
       if (isCrdInstance && details.length === 0) {
-        details.push(<CrdResourceDetails object={object} />);
+        details.push(<CrdResourceDetails object={object}/>);
       }
     }
 
@@ -90,7 +127,7 @@ export class KubeObjectDetails extends React.Component {
         className="KubeObjectDetails flex column"
         open={isOpen}
         title={title}
-        toolbar={<KubeObjectMenu object={object} toolbar={true} />}
+        toolbar={<KubeObjectMenu object={object} toolbar={true}/>}
         onClose={hideDetails}
       >
         {isLoading && <Spinner center/>}

src/renderer/components/kube-object/kube-object-list-layout.tsx

@@ -3,10 +3,10 @@ import { computed } from "mobx";
 import { observer } from "mobx-react";
 import { cssNames } from "../../utils";
 import { KubeObject } from "../../api/kube-object";
-import { getSelectedDetails, showDetails } from "../../navigation";
 import { ItemListLayout, ItemListLayoutProps } from "../item-object-list/item-list-layout";
 import { KubeObjectStore } from "../../kube-object.store";
 import { KubeObjectMenu } from "./kube-object-menu";
+import { kubeSelectedUrlParam, showDetails } from "./kube-object-details";
 
 export interface KubeObjectListLayoutProps extends ItemListLayoutProps {
   store: KubeObjectStore;
@@ -15,14 +15,13 @@ export interface KubeObjectListLayoutProps extends ItemListLayoutProps {
 @observer
 export class KubeObjectListLayout extends React.Component<KubeObjectListLayoutProps> {
   @computed get selectedItem() {
-    return this.props.store.getByPath(getSelectedDetails());
+    return this.props.store.getByPath(kubeSelectedUrlParam.get());
   }
 
   onDetails = (item: KubeObject) => {
     if (this.props.onDetails) {
       this.props.onDetails(item);
-    }
+    } else {
-    else {
       showDetails(item.selfLink);
     }
   };

src/renderer/components/kube-object/kube-object-menu.tsx

@@ -4,7 +4,7 @@ import { autobind, cssNames } from "../../utils";
 import { KubeObject } from "../../api/kube-object";
 import { editResourceTab } from "../dock/edit-resource.store";
 import { MenuActions, MenuActionsProps } from "../menu/menu-actions";
-import { hideDetails } from "../../navigation";
+import { hideDetails } from "./kube-object-details";
 import { apiManager } from "../../api/api-manager";
 import { kubeObjectMenuRegistry } from "../../../extensions/registries/kube-object-menu-registry";
 

src/renderer/components/kube-object/kube-object-meta.tsx

@@ -2,10 +2,10 @@ import React from "react";
 import { Trans } from "@lingui/macro";
 import { IKubeMetaField, KubeObject } from "../../api/kube-object";
 import { DrawerItem, DrawerItemLabels } from "../drawer";
-import { getDetailsUrl } from "../../navigation";
 import { lookupApiLink } from "../../api/kube-api";
 import { Link } from "react-router-dom";
 import { KubeObjectStatusIcon } from "../kube-object-status-icon";
+import { getDetailsUrl } from "./kube-object-details";
 
 export interface KubeObjectMetaProps {
   object: KubeObject;

src/renderer/components/layout/sidebar.tsx

@@ -17,7 +17,7 @@ import { clusterRoute, clusterURL } from "../+cluster";
 import { Config, configRoute, configURL } from "../+config";
 import { eventRoute, eventsURL } from "../+events";
 import { Apps, appsRoute, appsURL } from "../+apps";
-import { namespaceStore } from "../+namespaces/namespace.store";
+import { namespaceUrlParam } from "../+namespaces/namespace.store";
 import { Workloads } from "../+workloads";
 import { UserManagement } from "../+user-management";
 import { Storage } from "../+storage";
@@ -75,21 +75,23 @@ export class Sidebar extends React.Component<Props> {
   }
 
   getTabLayoutRoutes(menu: ClusterPageMenuRegistration): TabLayoutRoute[] {
-    if (!menu.id) {
-      return [];
-    }
     const routes: TabLayoutRoute[] = [];
 
-    clusterPageMenuRegistry.getSubItems(menu).forEach((subItem) => {
+    if (!menu.id) {
-      const subPage = clusterPageRegistry.getByPageMenuTarget(subItem.target);
+      return routes;
+    }
+
+    clusterPageMenuRegistry.getSubItems(menu).forEach((subMenu) => {
+      const subPage = clusterPageRegistry.getByPageTarget(subMenu.target);
 
       if (subPage) {
+        const { extensionId, id: pageId } = subPage;
+
         routes.push({
-          routePath: subPage.routePath,
+          routePath: subPage.url,
-          url: getExtensionPageUrl({ extensionId: subPage.extensionId, pageId: subPage.id, params: subItem.target.params }),
+          url: getExtensionPageUrl({ extensionId, pageId, params: subMenu.target.params }),
-          title: subItem.title,
+          title: subMenu.title,
           component: subPage.components.Page,
-          exact: subPage.exact
         });
       }
     });
@@ -99,7 +101,7 @@ export class Sidebar extends React.Component<Props> {
 
   renderRegisteredMenus() {
     return clusterPageMenuRegistry.getRootItems().map((menuItem, index) => {
-      const registeredPage = clusterPageRegistry.getByPageMenuTarget(menuItem.target);
+      const registeredPage = clusterPageRegistry.getByPageTarget(menuItem.target);
       const tabRoutes = this.getTabLayoutRoutes(menuItem);
       const id = `registered-item-${index}`;
       let pageUrl: string;
@@ -109,7 +111,7 @@ export class Sidebar extends React.Component<Props> {
         const { extensionId, id: pageId } = registeredPage;
 
         pageUrl = getExtensionPageUrl({ extensionId, pageId, params: menuItem.target.params });
-        isActive = isActiveRoute(registeredPage.routePath);
+        isActive = isActiveRoute(registeredPage.url);
       } else if (tabRoutes.length > 0) {
         pageUrl = tabRoutes[0].url;
         isActive = isActiveRoute(tabRoutes.map((tab) => tab.routePath));
@@ -133,7 +135,7 @@ export class Sidebar extends React.Component<Props> {
 
   render() {
     const { toggle, isPinned, className } = this.props;
-    const query = namespaceStore.getContextParams();
+    const query = namespaceUrlParam.toObjectParam();
 
     return (
       <SidebarContext.Provider value={{ pinned: isPinned }}>

src/renderer/components/table/table.tsx

@@ -1,19 +1,17 @@
 import "./table.scss";
 
 import React from "react";
+import { orderBy } from "lodash";
 import { observer } from "mobx-react";
-import { computed, observable } from "mobx";
+import { observable } from "mobx";
 import { autobind, cssNames, noop } from "../../utils";
 import { TableRow, TableRowElem, TableRowProps } from "./table-row";
 import { TableHead, TableHeadElem, TableHeadProps } from "./table-head";
 import { TableCellElem } from "./table-cell";
 import { VirtualList } from "../virtual-list";
-import { navigation, setQueryParams } from "../../navigation";
+import { createPageParam } from "../../navigation";
-import orderBy from "lodash/orderBy";
 import { ItemObject } from "../../item.store";
 
-// todo: refactor + decouple search from location
-
 export type TableSortBy = string;
 export type TableOrderBy = "asc" | "desc" | string;
 export type TableSortParams = { sortBy: TableSortBy; orderBy: TableOrderBy };
@@ -43,6 +41,16 @@ export interface TableProps extends React.DOMAttributes<HTMLDivElement> {
   getTableRow?: (uid: string) => React.ReactElement<TableRowProps>;
 }
 
+export const sortByUrlParam = createPageParam({
+  name: "sort",
+  isSystem: true,
+});
+
+export const orderByUrlParam = createPageParam({
+  name: "order",
+  isSystem: true,
+});
+
 @observer
 export class Table extends React.Component<TableProps> {
   static defaultProps: TableProps = {
@@ -53,18 +61,13 @@ export class Table extends React.Component<TableProps> {
     sortSyncWithUrl: true,
   };
 
-  @observable sortParamsLocal = this.props.sortByDefault;
+  @observable sortParams: Partial<TableSortParams> = Object.assign(
-
+    this.props.sortSyncWithUrl ? {
-  @computed get sortParams(): Partial<TableSortParams> {
+      sortBy: sortByUrlParam.get(),
-    if (this.props.sortSyncWithUrl) {
+      orderBy: orderByUrlParam.get(),
-      const sortBy = navigation.searchParams.get("sortBy");
+    } : {},
-      const orderBy = navigation.searchParams.get("orderBy");
+    this.props.sortByDefault,
-
+  );
-      return { sortBy, orderBy };
-    }
-
-    return this.sortParamsLocal || {};
-  }
 
   renderHead() {
     const { sortable, children } = this.props;
@@ -101,29 +104,24 @@ export class Table extends React.Component<TableProps> {
   }
 
   getSorted(items: any[]) {
-    const { sortParams } = this;
+    const { sortBy, orderBy: order } = this.sortParams;
-    const sortingCallback = this.props.sortable[sortParams.sortBy] || noop;
+    const sortingCallback = this.props.sortable[sortBy] || noop;
 
-    return orderBy(
+    return orderBy(items, sortingCallback, order as any);
-      items,
-      sortingCallback,
-      sortParams.orderBy as any
-    );
   }
 
   @autobind()
-  protected onSort(params: TableSortParams) {
+  protected onSort({ sortBy, orderBy }: TableSortParams) {
+    this.sortParams = { sortBy, orderBy };
     const { sortSyncWithUrl, onSort } = this.props;
 
     if (sortSyncWithUrl) {
-      setQueryParams(params);
+      sortByUrlParam.set(sortBy);
-    }
+      orderByUrlParam.set(orderBy);
-    else {
-      this.sortParamsLocal = params;
     }
 
     if (onSort) {
-      onSort(params);
+      onSort({ sortBy, orderBy });
     }
   }
 

src/renderer/navigation.ts

@@ -1,136 +0,0 @@
-// Navigation helpers
-
-import { matchPath, RouteProps } from "react-router";
-import { reaction } from "mobx";
-import { createObservableHistory } from "mobx-observable-history";
-import { createBrowserHistory, LocationDescriptor } from "history";
-import logger from "../main/logger";
-import { clusterViewRoute, IClusterViewRouteParams } from "./components/cluster-manager/cluster-view.route";
-import { broadcastMessage, subscribeToBroadcast } from "../common/ipc";
-
-export const history = createBrowserHistory();
-export const navigation = createObservableHistory(history);
-
-/**
- * Navigate to a location. Works only in renderer.
- */
-export function navigate(location: LocationDescriptor) {
-  const currentLocation = navigation.getPath();
-
-  navigation.push(location);
-
-  if (currentLocation === navigation.getPath()) {
-    navigation.goBack(); // prevent sequences of same url in history
-  }
-}
-
-export function matchParams<P>(route: string | string[] | RouteProps) {
-  return matchPath<P>(navigation.location.pathname, route);
-}
-
-export function isActiveRoute(route: string | string[] | RouteProps): boolean {
-  return !!matchParams(route);
-}
-
-// common params for all pages
-export interface IQueryParams {
-  namespaces?: string[];  // selected context namespaces
-  details?: string;      // serialized resource details
-  selected?: string;     // mark resource as selected
-  search?: string;       // search-input value
-  sortBy?: string;       // sorting params for table-list
-  orderBy?: string;
-}
-
-export function getQueryString(params?: Partial<IQueryParams>, merge = true) {
-  const searchParams = navigation.searchParams.copyWith(params);
-
-  if (!merge) {
-    Array.from(searchParams.keys()).forEach(key => {
-      if (!(key in params)) searchParams.delete(key);
-    });
-  }
-
-  return searchParams.toString({ withPrefix: true });
-}
-
-export function setQueryParams<T>(params?: T & IQueryParams, { merge = true, replace = false } = {}) {
-  const newSearch = getQueryString(params, merge);
-
-  navigation.merge({ search: newSearch }, replace);
-}
-
-export function getDetails() {
-  return navigation.searchParams.get("details");
-}
-
-export function getSelectedDetails() {
-  return navigation.searchParams.get("selected") || getDetails();
-}
-
-export function getDetailsUrl(details: string) {
-  if (!details) return "";
-
-  return getQueryString({
-    details,
-    selected: getSelectedDetails(),
-  });
-}
-
-/**
- * Show details. Works only in renderer.
- */
-export function showDetails(path: string, resetSelected = true) {
-  navigation.searchParams.merge({
-    details: path,
-    selected: resetSelected ? null : getSelectedDetails(),
-  });
-}
-
-/**
- * Hide details. Works only in renderer.
- */
-export function hideDetails() {
-  showDetails(null);
-}
-
-export function setSearch(text: string) {
-  navigation.replace({
-    search: getQueryString({ search: text })
-  });
-}
-
-export function getSearch() {
-  return navigation.searchParams.get("search") || "";
-}
-
-export function getMatchedClusterId(): string {
-  const matched = matchPath<IClusterViewRouteParams>(navigation.location.pathname, {
-    exact: true,
-    path: clusterViewRoute.path
-  });
-
-  return matched?.params.clusterId;
-}
-
-//-- EVENTS
-
-if (process.isMainFrame) {
-  // Keep track of active cluster-id for handling IPC/menus/etc.
-  reaction(() => getMatchedClusterId(), clusterId => {
-    broadcastMessage("cluster-view:current-id", clusterId);
-  }, {
-    fireImmediately: true
-  });
-}
-
-// Handle navigation via IPC (e.g. from top menu)
-subscribeToBroadcast("renderer:navigate", (event, location: LocationDescriptor) => {
-  logger.info(`[IPC]: ${event.type} ${JSON.stringify(location)}`, event);
-  navigate(location);
-});
-
-// Reload dashboard window
-subscribeToBroadcast("renderer:reload", () => {
-  location.reload();
-});

src/renderer/navigation/events.ts

@@ -0,0 +1,31 @@
+import { ipcRenderer } from "electron";
+import { reaction } from "mobx";
+import { getMatchedClusterId, navigate } from "./helpers";
+import { broadcastMessage, subscribeToBroadcast } from "../../common/ipc";
+import logger from "../../main/logger";
+
+export function bindEvents() {
+  if (!ipcRenderer) {
+    return;
+  }
+
+  if (process.isMainFrame) {
+    // Keep track of active cluster-id for handling IPC/menus/etc.
+    reaction(() => getMatchedClusterId(), clusterId => {
+      broadcastMessage("cluster-view:current-id", clusterId);
+    }, {
+      fireImmediately: true
+    });
+  }
+
+  // Handle navigation via IPC (e.g. from top menu)
+  subscribeToBroadcast("renderer:navigate", (event, url: string) => {
+    logger.info(`[IPC]: ${event.type} ${JSON.stringify(url)}`, event);
+    navigate(url);
+  });
+
+  // Reload dashboard window
+  subscribeToBroadcast("renderer:reload", () => {
+    location.reload();
+  });
+}

src/renderer/navigation/helpers.ts

@@ -0,0 +1,36 @@
+import type { LocationDescriptor } from "history";
+import { matchPath, RouteProps } from "react-router";
+import { PageParam, PageSystemParamInit } from "./page-param";
+import { clusterViewRoute, IClusterViewRouteParams } from "../components/cluster-manager/cluster-view.route";
+import { navigation } from "./history";
+
+export function navigate(location: LocationDescriptor) {
+  const currentLocation = navigation.getPath();
+
+  navigation.push(location);
+
+  if (currentLocation === navigation.getPath()) {
+    navigation.goBack(); // prevent sequences of same url in history
+  }
+}
+
+export function createPageParam<V = string>(init: PageSystemParamInit<V>) {
+  return new PageParam<V>(init, navigation);
+}
+
+export function matchRoute<P>(route: string | string[] | RouteProps) {
+  return matchPath<P>(navigation.location.pathname, route);
+}
+
+export function isActiveRoute(route: string | string[] | RouteProps): boolean {
+  return !!matchRoute(route);
+}
+
+export function getMatchedClusterId(): string {
+  const matched = matchPath<IClusterViewRouteParams>(navigation.location.pathname, {
+    exact: true,
+    path: clusterViewRoute.path
+  });
+
+  return matched?.params.clusterId;
+}

src/renderer/navigation/history.ts

@@ -0,0 +1,6 @@
+import { ipcRenderer } from "electron";
+import { createBrowserHistory, createMemoryHistory } from "history";
+import { createObservableHistory } from "mobx-observable-history";
+
+export const history = ipcRenderer ? createBrowserHistory() : createMemoryHistory();
+export const navigation = createObservableHistory(history);

src/renderer/navigation/index.ts

@@ -0,0 +1,8 @@
+// Navigation (renderer)
+
+import { bindEvents } from "./events";
+
+export * from "./history";
+export * from "./helpers";
+
+bindEvents();

src/renderer/navigation/page-param.ts

@@ -0,0 +1,135 @@
+// Manage observable URL-param from document.location.search
+import { IObservableHistory } from "mobx-observable-history";
+
+export interface PageParamInit<V = any> {
+  name: string;
+  defaultValue?: V;
+  defaultValueStringified?: string | string[]; // serialized version of "defaultValue"
+  multiValues?: boolean; // false == by default
+  multiValueSep?: string; // joining multiple values with separator, default: ","
+  skipEmpty?: boolean; // skip empty value(s), e.g. "?param=", default: true
+  parse?(value: string[]): V; // deserialize from URL
+  stringify?(value: V): string | string[]; // serialize params to URL
+}
+
+export interface PageSystemParamInit<V = any> extends PageParamInit<V> {
+  isSystem?: boolean;
+}
+
+export class PageParam<V = any> {
+  static SYSTEM_PREFIX = "lens-";
+
+  readonly name: string;
+  protected urlName: string;
+
+  constructor(readonly init: PageParamInit<V> | PageSystemParamInit<V>, protected history: IObservableHistory) {
+    const { isSystem, name } = init as PageSystemParamInit;
+
+    this.name = name;
+    this.init.skipEmpty ??= true;
+    this.init.multiValueSep ??= ",";
+
+    // prefixing to avoid collisions with extensions
+    this.urlName = `${isSystem ? PageParam.SYSTEM_PREFIX : ""}${name}`;
+  }
+
+  isEmpty(value: V | any) {
+    return [value].flat().every(value => value == "" || value == null);
+  }
+
+  parse(values: string[]): V {
+    const { parse, multiValues } = this.init;
+
+    if (!multiValues) values.splice(1); // reduce values to single item
+    const parsedValues = [parse ? parse(values) : values].flat();
+
+    return multiValues ? parsedValues : parsedValues[0] as any;
+  }
+
+  stringify(value: V = this.get()): string {
+    const { stringify, multiValues, multiValueSep, skipEmpty } = this.init;
+
+    if (skipEmpty && this.isEmpty(value)) {
+      return "";
+    }
+
+    if (multiValues) {
+      const values = [value].flat();
+      const stringValues = [stringify ? stringify(value) : values.map(String)].flat();
+
+      return stringValues.join(multiValueSep);
+    }
+
+    return [stringify ? stringify(value) : String(value)].flat()[0];
+  }
+
+  get(): V {
+    const value = this.parse(this.getRaw());
+
+    if (this.init.skipEmpty && this.isEmpty(value)) {
+      return this.getDefaultValue();
+    }
+
+    return value;
+  }
+
+  set(value: V, { mergeGlobals = true, replaceHistory = false } = {}) {
+    const search = this.toSearchString({ mergeGlobals, value });
+
+    this.history.merge({ search }, replaceHistory);
+  }
+
+  setRaw(value: string | string[]) {
+    const { history, urlName } = this;
+    const { multiValues, multiValueSep, skipEmpty } = this.init;
+    const paramValue = multiValues ? [value].flat().join(multiValueSep) : String(value);
+
+    if (skipEmpty && this.isEmpty(paramValue)) {
+      history.searchParams.delete(urlName);
+    } else {
+      history.searchParams.set(urlName, paramValue);
+    }
+  }
+
+  getRaw(): string[] {
+    const { history, urlName } = this;
+    const { multiValueSep } = this.init;
+
+    return history.searchParams.getAsArray(urlName, multiValueSep);
+  }
+
+  getDefaultValue() {
+    const { defaultValue, defaultValueStringified } = this.init;
+
+    return defaultValueStringified ? this.parse([defaultValueStringified].flat()) : defaultValue;
+  }
+
+  clear() {
+    this.history.searchParams.delete(this.urlName);
+  }
+
+  toSearchString({ withPrefix = true, mergeGlobals = true, value = this.get() } = {}): string {
+    const { history, urlName, init: { skipEmpty } } = this;
+    const searchParams = new URLSearchParams(mergeGlobals ? history.location.search : "");
+
+    searchParams.set(urlName, this.stringify(value));
+
+    if (skipEmpty) {
+      searchParams.forEach((value: any, paramName) => {
+        if (this.isEmpty(value)) searchParams.delete(paramName);
+      });
+    }
+
+    if (Array.from(searchParams).length > 0) {
+      return `${withPrefix ? "?" : ""}${searchParams}`;
+    }
+
+    return "";
+  }
+
+  toObjectParam(value = this.get()): Record<string, V> {
+    return {
+      [this.urlName]: value,
+    };
+  }
+}

yarn.lock

@@ -2272,10 +2272,17 @@
   dependencies:
     "@types/react" "*"
 
-"@types/react-router-dom@^5.1.5":
+"@types/react-dom@^17.0.0":
-  version "5.1.5"
+  version "17.0.0"
-  resolved "https://registry.yarnpkg.com/@types/react-router-dom/-/react-router-dom-5.1.5.tgz#7c334a2ea785dbad2b2dcdd83d2cf3d9973da090"
+  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-17.0.0.tgz#b3b691eb956c4b3401777ee67b900cb28415d95a"
-  integrity sha512-ArBM4B1g3BWLGbaGvwBGO75GNFbLDUthrDojV2vHLih/Tq8M+tgvY1DSwkuNrPSwdp/GUL93WSEpTZs8nVyJLw==
+  integrity sha512-lUqY7OlkF/RbNtD5nIq7ot8NquXrdFrjSOR6+w9a9RFQevGi1oZO1dcJbXMeONAPKtZ2UrZOEJ5UOCVsxbLk/g==
+  dependencies:
+    "@types/react" "*"
+
+"@types/react-router-dom@^5.1.6":
+  version "5.1.6"
+  resolved "https://registry.yarnpkg.com/@types/react-router-dom/-/react-router-dom-5.1.6.tgz#07b14e7ab1893a837c8565634960dc398564b1fb"
+  integrity sha512-gjrxYqxz37zWEdMVvQtWPFMFj1dRDb4TGOcgyOfSXTrEXdF92L00WE3C471O3TV/RF1oskcStkXsOU0Ete4s/g==
   dependencies:
     "@types/history" "*"
     "@types/react" "*"
@@ -2312,7 +2319,7 @@
   dependencies:
     "@types/react" "*"
 
-"@types/react@*", "@types/react@^16.9.35":
+"@types/react@*":
   version "16.9.35"
   resolved "https://registry.yarnpkg.com/@types/react/-/react-16.9.35.tgz#a0830d172e8aadd9bd41709ba2281a3124bbd368"
   integrity sha512-q0n0SsWcGc8nDqH2GJfWQWUOmZSJhXV64CjVN5SvcNti3TdEaA3AH0D8DwNmMdzjMAC/78tB8nAZIlV8yTz+zQ==
@@ -2320,6 +2327,14 @@
     "@types/prop-types" "*"
     csstype "^2.2.0"
 
+"@types/react@^17.0.0":
+  version "17.0.0"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-17.0.0.tgz#5af3eb7fad2807092f0046a1302b7823e27919b8"
+  integrity sha512-aj/L7RIMsRlWML3YB6KZiXB3fV2t41+5RBGYF8z+tAKU43Px8C3cYUZsDvf1/+Bm4FK21QWBrDutu8ZJ/70qOw==
+  dependencies:
+    "@types/prop-types" "*"
+    csstype "^3.0.2"
+
 "@types/relateurl@*":
   version "0.2.28"
   resolved "https://registry.yarnpkg.com/@types/relateurl/-/relateurl-0.2.28.tgz#6bda7db8653fa62643f5ee69e9f69c11a392e3a6"
@@ -5023,6 +5038,11 @@ csstype@^2.2.0, csstype@^2.5.2, csstype@^2.5.7, csstype@^2.6.5, csstype@^2.6.7:
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.10.tgz#e63af50e66d7c266edb6b32909cfd0aabe03928b"
   integrity sha512-D34BqZU4cIlMCY93rZHbrq9pjTAQJ3U8S8rfBqjwHxkGPThWFjzZDQpgMJY0QViLxth6ZKYiwFBo14RdN44U/w==
 
+csstype@^3.0.2:
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.0.5.tgz#7fdec6a28a67ae18647c51668a9ff95bb2fa7bb8"
+  integrity sha512-uVDi8LpBUKQj6sdxNaTetL6FpeCqTjOvAQuQUa/qAqq8oOd4ivkbhgnqayl0dnPal8Tb/yB1tF+gOvCBiicaiQ==
+
 currently-unhandled@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
@@ -12108,15 +12128,14 @@ react-beautiful-dnd@^13.0.0:
     redux "^4.0.4"
     use-memo-one "^1.1.1"
 
-react-dom@^16.13.1:
+react-dom@^17.0.1:
-  version "16.13.1"
+  version "17.0.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.1.tgz#c1bd37331a0486c078ee54c4740720993b2e0e7f"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-17.0.1.tgz#1de2560474ec9f0e334285662ede52dbc5426fc6"
-  integrity sha512-81PIMmVLnCNLO/fFOQxdQkvEq/+Hfpv24XNJfpyZhTRfO0QcmQIF/PgCa1zCOj2w1hrn12MFLyaJ/G0+Mxtfag==
+  integrity sha512-6eV150oJZ9U2t9svnsspTMrWNyHc6chX0KzDeAOXftRa8bNeOKTTfCJ7KorIwenkHd2xqVTBTCZd79yk/lx/Ug==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
-    prop-types "^15.6.2"
+    scheduler "^0.20.1"
-    scheduler "^0.19.1"
 
 react-input-autosize@^2.2.2:
   version "2.2.2"
@@ -12217,15 +12236,6 @@ react-zlib-js@^1.0.4:
   resolved "https://registry.yarnpkg.com/react-zlib-js/-/react-zlib-js-1.0.4.tgz#dd2b9fbf56d5ab224fa7a99affbbedeba9aa3dc7"
   integrity sha512-ynXD9DFxpE7vtGoa3ZwBtPmZrkZYw2plzHGbanUjBOSN4RtuXdektSfABykHtTiWEHMh7WdYj45LHtp228ZF1A==
 
-react@^16.14.0:
-  version "16.14.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.14.0.tgz#94d776ddd0aaa37da3eda8fc5b6b18a4c9a3114d"
-  integrity sha512-0X2CImDkJGApiAlcf0ODKIneSwBPhqJawOa5wCtKbu7ZECrmS26NvtSILynQ66cgkT/RJ4LidJOc3bUESwmU8g==
-  dependencies:
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-    prop-types "^15.6.2"
-
 react@^16.8.0:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react/-/react-16.13.1.tgz#2e818822f1a9743122c063d6410d85c1e3afe48e"
@@ -12235,6 +12245,14 @@ react@^16.8.0:
     object-assign "^4.1.1"
     prop-types "^15.6.2"
 
+react@^17.0.1:
+  version "17.0.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-17.0.1.tgz#6e0600416bd57574e3f86d92edba3d9008726127"
+  integrity sha512-lG9c9UuMHdcAexXtigOZLX8exLWkW0Ku29qPRU8uhF2R9BN96dLCt0psvzPLlHc5OWkgymP3qwTRgbnw5BKx3w==
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
 read-cmd-shim@^1.0.1, read-cmd-shim@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/read-cmd-shim/-/read-cmd-shim-1.0.5.tgz#87e43eba50098ba5a32d0ceb583ab8e43b961c16"
@@ -12934,10 +12952,10 @@ saxes@^5.0.0:
   dependencies:
     xmlchars "^2.2.0"
 
-scheduler@^0.19.1:
+scheduler@^0.20.1:
-  version "0.19.1"
+  version "0.20.1"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.19.1.tgz#4f3e2ed2c1a7d65681f4c854fa8c5a1ccb40f196"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.20.1.tgz#da0b907e24026b01181ecbc75efdc7f27b5a000c"
-  integrity sha512-n/zwRWRYSUj0/3g/otKDRPMh6qv2SYMWNq85IEa8iZyAv8od9zDYpGSnpBEjNgcMNq6Scbu5KfIPxNF72R/2EA==
+  integrity sha512-LKTe+2xNJBNxu/QhHvDR14wUXHRQbVY5ZOYpOGWRzhydZUqrLb2JBvLPY7cAqFmqrWuDED0Mjk7013SZiOz6Bw==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -14530,7 +14548,7 @@ typeface-roboto@^0.0.75:
   resolved "https://registry.yarnpkg.com/typeface-roboto/-/typeface-roboto-0.0.75.tgz#98d5ba35ec234bbc7172374c8297277099cc712b"
   integrity sha512-VrR/IiH00Z1tFP4vDGfwZ1esNqTiDMchBEXYY9kilT6wRGgFoCAlgkEUMHb1E3mB0FsfZhv756IF0+R+SFPfdg==
 
-typescript@^4.0.2:
+typescript@4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
   integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==