more fixes & refactoring

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

docs/extensions/capabilities/common-capabilities.md

@@ -100,7 +100,6 @@ import { ExamplePage } from "./src/example-page"
 export default class ExampleRendererExtension extends LensRendererExtension {
   globalPages = [
     {
-      routePath: "/items/:id?",
       components: {
         Page: ExamplePage,
       }
@@ -109,7 +108,6 @@ export default class ExampleRendererExtension extends LensRendererExtension {
 
   globalPageMenus = [
     {
-      url: "/items/1",
       title: "Example page", // used in icon's tooltip
       components: {
         Icon: () => <Component.Icon material="arrow"/>,
@@ -155,8 +153,8 @@ import { ExampleIcon, ExamplePage } from "./src/page"
 export default class ExampleExtension extends LensRendererExtension {
   clusterPages = [
     {
-      routePath: "/extension-example",
+      routePath: "/extension-example", // optional
-      exact: true,
+      exact: true, // optional
       components: {
         Page: () => <ExamplePage extension={this}/>,
       }
@@ -165,7 +163,7 @@ export default class ExampleExtension extends LensRendererExtension {
 
   clusterPageMenus = [
     {
-      url: "/extension-example",
+      url: "/extension-example", // optional
       title: "Example Extension",
       components: {
         Icon: ExampleIcon,
@@ -217,11 +215,8 @@ export default class ExampleExtension extends LensRendererExtension {
   statusBarItems = [
     {
       item: (
-        <div
+        <div className="flex align-center gaps hover-highlight" onClick={() => this.navigate("/example-page")} >
-          className="flex align-center gaps hover-highlight"
+          <Component.Icon material="favorite" />
-          onClick={() => Navigation.navigate("/example-page")}
-        >
-          <Component.Icon material="favorite" smallest />
         </div>
       )
     }

extensions/support-page/renderer.tsx

@@ -13,7 +13,7 @@ export default class SupportPageRendererExtension extends LensRendererExtension
     }
   ]
 
-  statusBarItems = [
+  statusBarItems: Interface.StatusBarRegistration[] = [
     {
       item: (
         <div className="flex align-center gaps hover-highlight" onClick={() => this.navigate(pageUrl)}>

package.json

@@ -241,8 +241,6 @@
     "openid-client": "^3.15.2",
     "path-to-regexp": "^6.1.0",
     "proper-lockfile": "^4.1.1",
-    "react": "^16.14.0",
-    "react-router": "^5.2.0",
     "request": "^2.88.2",
     "request-promise-native": "^1.0.8",
     "semver": "^7.3.2",
@@ -363,9 +361,11 @@
     "postinstall-postinstall": "^2.1.0",
     "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",

src/extensions/extension-loader.ts

@@ -57,29 +57,29 @@ export class ExtensionLoader {
   loadOnMain() {
     logger.info('[EXTENSIONS-LOADER]: load on main')
     this.autoInitExtensions((ext: LensMainExtension) => [
-      registries.menuRegistry.add(ext.appMenus, { ext })
+      registries.menuRegistry.add(ext.appMenus, { key: ext })
     ]);
   }
 
   loadOnClusterManagerRenderer() {
     logger.info('[EXTENSIONS-LOADER]: load on main renderer (cluster manager)')
     this.autoInitExtensions((ext: LensRendererExtension) => [
-      registries.globalPageRegistry.add(ext.globalPages, { ext }),
+      registries.globalPageRegistry.add(ext.globalPages, { key: ext }),
-      registries.globalPageMenuRegistry.add(ext.globalPageMenus, { ext }),
+      registries.globalPageMenuRegistry.add(ext.globalPageMenus, { key: ext }),
-      registries.appPreferenceRegistry.add(ext.appPreferences, { ext }),
+      registries.appPreferenceRegistry.add(ext.appPreferences, { key: ext }),
-      registries.clusterFeatureRegistry.add(ext.clusterFeatures, { ext }),
+      registries.clusterFeatureRegistry.add(ext.clusterFeatures, { key: ext }),
-      registries.statusBarRegistry.add(ext.statusBarItems, { ext }),
+      registries.statusBarRegistry.add(ext.statusBarItems, { key: ext }),
     ]);
   }
 
   loadOnClusterRenderer() {
     logger.info('[EXTENSIONS-LOADER]: load on cluster renderer (dashboard)')
     this.autoInitExtensions((ext: LensRendererExtension) => [
-      registries.clusterPageRegistry.add(ext.clusterPages, { ext }),
+      registries.clusterPageRegistry.add(ext.clusterPages, { key: ext }),
-      registries.clusterPageMenuRegistry.add(ext.clusterPageMenus, { ext }),
+      registries.clusterPageMenuRegistry.add(ext.clusterPageMenus, { key: ext }),
-      registries.kubeObjectMenuRegistry.add(ext.kubeObjectMenuItems, { ext }),
+      registries.kubeObjectMenuRegistry.add(ext.kubeObjectMenuItems, { key: ext }),
-      registries.kubeObjectDetailRegistry.add(ext.kubeObjectDetailItems, { ext }),
+      registries.kubeObjectDetailRegistry.add(ext.kubeObjectDetailItems, { key: ext }),
-      registries.kubeObjectStatusRegistry.add(ext.kubeObjectStatusTexts, { ext })
+      registries.kubeObjectStatusRegistry.add(ext.kubeObjectStatusTexts, { key: ext })
     ])
   }
 

src/extensions/lens-extension.ts

@@ -44,11 +44,11 @@ export class LensExtension {
     return this.manifest.description
   }
 
-  getPageUrl(baseUrl: string) {
+  getPageUrl(baseUrl = "") {
-    return compile(this.routePrefix)({ name: this.name }) + baseUrl
+    return compile(this.routePrefix)({ name: this.name }) + baseUrl;
   }
 
-  getPageRoute(baseRoute: string) {
+  getPageRoute(baseRoute = "") {
     return this.routePrefix + baseRoute;
   }
 

src/extensions/lens-renderer-extension.ts

@@ -1,11 +1,7 @@
-import type {
+import type { AppPreferenceRegistration, ClusterFeatureRegistration, KubeObjectDetailRegistration, KubeObjectMenuRegistration, KubeObjectStatusRegistration, PageMenuRegistration, PageRegistration, StatusBarRegistration, } from "./registries"
-  AppPreferenceRegistration, ClusterFeatureRegistration,
+import { ipcRenderer } from "electron"
-  KubeObjectMenuRegistration, KubeObjectDetailRegistration, StatusBarRegistration, KubeObjectStatusRegistration,
-  PageRegistration, PageMenuRegistration,
-} from "./registries"
 import { observable } from "mobx";
 import { LensExtension } from "./lens-extension"
-import { ipcRenderer } from "electron"
 
 export class LensRendererExtension extends LensExtension {
   @observable.shallow globalPages: PageRegistration[] = []
@@ -20,6 +16,6 @@ export class LensRendererExtension extends LensExtension {
   @observable.shallow kubeObjectMenuItems: KubeObjectMenuRegistration[] = []
 
   navigate(location: string) {
-    ipcRenderer.emit("renderer:navigate", location)
+    ipcRenderer.emit("renderer:navigate", this.getPageUrl(location))
   }
 }

src/extensions/registries/app-preference-registry.ts

@@ -1,12 +1,12 @@
 import type React from "react"
-import { BaseRegistry } from "./base-registry";
+import { BaseRegistry, BaseRegistryItem } from "./base-registry";
 
 export interface AppPreferenceComponents {
   Hint: React.ComponentType<any>;
   Input: React.ComponentType<any>;
 }
 
-export interface AppPreferenceRegistration {
+export interface AppPreferenceRegistration extends BaseRegistryItem {
   title: string;
   components: AppPreferenceComponents;
 }

src/extensions/registries/base-registry.ts

@@ -1,16 +1,24 @@
 // Base class for extensions-api registries
 import { action, observable } from "mobx";
 import { LensExtension } from "../lens-extension";
+import { getRandId } from "../../common/utils";
+
+export type BaseRegistryKey = LensExtension | null;
+export type BaseRegistryItemId = string | symbol;
+
+export interface BaseRegistryItem {
+  id?: BaseRegistryItemId; // uniq id, generated automatically when not provided
+}
 
 export interface BaseRegistryAddMeta {
-  ext?: LensExtension | null;
+  key?: BaseRegistryKey;
   merge?: boolean
 }
 
-export class BaseRegistry<T extends object = any> {
+export class BaseRegistry<T extends BaseRegistryItem = any> {
-  private items = observable.map<LensExtension, T[]>([], { deep: false });
+  private items = observable.map<BaseRegistryKey, T[]>([], { deep: false });
 
-  getItems(): (T & { extension?: LensExtension })[] {
+  getItems(): (T & { extension?: LensExtension | null })[] {
     return Array.from(this.items).map(([ext, items]) => {
       return items.map(item => ({
         ...item,
@@ -19,29 +27,39 @@ export class BaseRegistry<T extends object = any> {
     }).flat()
   }
 
-  @action
+  getById(itemId: BaseRegistryItemId, key?: BaseRegistryKey): T {
-  add(items: T | T[], { ext = null, merge = true }: BaseRegistryAddMeta = {}) {
+    const byId = (item: BaseRegistryItem) => item.id === itemId;
-    const itemsList: T[] = Array.isArray(items) ? items : [items];
+    if (key) {
-    if (merge && this.items.has(ext)) {
+      return this.items.get(key)?.find(byId)
-      const newItems = new Set(this.items.get(ext));
-      itemsList.forEach(item => newItems.add(item))
-      this.items.set(ext, [...newItems]);
-    } else {
-      this.items.set(ext, itemsList);
     }
-    return () => this.remove(itemsList, ext)
+    return this.getItems().find(byId);
   }
 
   @action
-  remove(items: T[], key: LensExtension = null) {
+  add(items: T | T[], { key = null, merge = true }: BaseRegistryAddMeta = {}) {
+    const normalizedItems = (Array.isArray(items) ? items : [items]).map((item: T) => {
+      item.id = item.id || getRandId();
+      return item;
+    });
+    if (merge && this.items.has(key)) {
+      const newItems = new Set(this.items.get(key));
+      normalizedItems.forEach(item => newItems.add(item))
+      this.items.set(key, [...newItems]);
+    } else {
+      this.items.set(key, normalizedItems);
+    }
+    return () => this.remove(normalizedItems, key)
+  }
+
+  @action
+  remove(items: T[], key: BaseRegistryKey = null) {
     const storedItems = this.items.get(key);
-    if (storedItems) {
+    if (!storedItems) return;
-      const newItems = storedItems.filter(item => !items.includes(item)); // works because of {deep: false};
+    const newItems = storedItems.filter(item => !items.includes(item)); // works because of {deep: false};
-      if (newItems.length > 0) {
+    if (newItems.length > 0) {
-        this.items.set(key, newItems)
+      this.items.set(key, newItems)
-      } else {
+    } else {
-        this.items.delete(key);
+      this.items.delete(key);
-      }
     }
   }
 }

src/extensions/registries/cluster-feature-registry.ts

@@ -1,17 +1,18 @@
 import type React from "react"
-import { BaseRegistry } from "./base-registry";
+import { BaseRegistry, BaseRegistryItem } from "./base-registry";
 import { ClusterFeature } from "../cluster-feature";
 
 export interface ClusterFeatureComponents {
   Description: React.ComponentType<any>;
 }
 
-export interface ClusterFeatureRegistration {
+export interface ClusterFeatureRegistration extends BaseRegistryItem {
   title: string;
   components: ClusterFeatureComponents
   feature: ClusterFeature
 }
 
-export class ClusterFeatureRegistry extends BaseRegistry<ClusterFeatureRegistration> {}
+export class ClusterFeatureRegistry extends BaseRegistry<ClusterFeatureRegistration> {
+}
 
 export const clusterFeatureRegistry = new ClusterFeatureRegistry()

src/extensions/registries/kube-object-detail-registry.ts

@@ -1,11 +1,11 @@
 import React from "react"
-import { BaseRegistry } from "./base-registry";
+import { BaseRegistry, BaseRegistryItem } from "./base-registry";
 
 export interface KubeObjectDetailComponents {
   Details: React.ComponentType<any>;
 }
 
-export interface KubeObjectDetailRegistration {
+export interface KubeObjectDetailRegistration extends BaseRegistryItem {
   kind: string;
   apiVersions: string[];
   components: KubeObjectDetailComponents;

src/extensions/registries/kube-object-menu-registry.ts

@@ -1,11 +1,11 @@
 import React from "react"
-import { BaseRegistry } from "./base-registry";
+import { BaseRegistry, BaseRegistryItem } from "./base-registry";
 
 export interface KubeObjectMenuComponents {
   MenuItem: React.ComponentType<any>;
 }
 
-export interface KubeObjectMenuRegistration {
+export interface KubeObjectMenuRegistration extends BaseRegistryItem {
   kind: string;
   apiVersions: string[];
   components: KubeObjectMenuComponents;

src/extensions/registries/kube-object-status-registry.ts

@@ -1,7 +1,7 @@
 import { KubeObject, KubeObjectStatus } from "../renderer-api/k8s-api";
-import { BaseRegistry } from "./base-registry";
+import { BaseRegistry, BaseRegistryItem } from "./base-registry";
 
-export interface KubeObjectStatusRegistration {
+export interface KubeObjectStatusRegistration extends BaseRegistryItem {
   kind: string;
   apiVersions: string[];
   resolve: (object: KubeObject) => KubeObjectStatus;

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

@@ -2,28 +2,26 @@
 
 import type React from "react";
 import type { IconProps } from "../../renderer/components/icon";
-import { BaseRegistry } from "./base-registry";
+import { BaseRegistry, BaseRegistryItem, BaseRegistryItemId } from "./base-registry";
-import { matchPath } from "react-router";
 
-export interface PageMenuRegistration {
+export interface PageMenuRegistration extends BaseRegistryItem {
-  url: string;
+  id: BaseRegistryItemId; // required id from page-registry item to match with
+  url?: string; // when not provided initial extension's path used, e.g. "/extension/lens-extension-name"
   title: React.ReactNode;
   components: PageMenuComponents;
-  subMenus?: Omit<PageMenuRegistration, "components" | "subMenus">[];
+  subMenus?: PageSubMenuRegistration[];
+}
+
+export interface PageSubMenuRegistration {
+  url: string;
+  title: React.ReactNode;
 }
 
 export interface PageMenuComponents {
   Icon: React.ComponentType<IconProps>;
 }
 
-export class PageMenuRegistry extends BaseRegistry<PageMenuRegistration> {
+export class PageMenuRegistry<T extends PageMenuRegistration> extends BaseRegistry<T> {
-  getByMatchingRoute(routePath: string | string[], exact?: boolean) {
-    return this.getItems().find(item => !!matchPath(item.url, {
-      path: routePath,
-      exact,
-    }))
-  }
-
   getItems() {
     return super.getItems().map(item => {
       item.url = item.extension.getPageUrl(item.url)

src/extensions/registries/page-registry.ts

@@ -1,14 +1,19 @@
 // Extensions-api -> Custom page registration
 
 import React from "react";
-import { matchPath } from "react-router";
+import { BaseRegistry, BaseRegistryItem } from "./base-registry";
-import { BaseRegistry } from "./base-registry";
 
-export interface PageRegistration {
+export interface PageRegistration extends BaseRegistryItem {
-  routePath: string; // react-router's path, e.g. "/page/:id"
+  routePath?: string; // additional (suffix) route path to base extension's route: "/extension/:name"
   exact?: boolean; // route matching flag, see: https://reactrouter.com/web/api/NavLink/exact-bool
   components: PageComponents;
-  subPages?: Omit<PageRegistration, "subPages">[];
+  subPages?: SubPageRegistration[];
+}
+
+export interface SubPageRegistration {
+  routePath: string; // required for sub-pages
+  exact?: boolean;
+  components: PageComponents;
 }
 
 export interface PageComponents {
@@ -16,12 +21,6 @@ export interface PageComponents {
 }
 
 export class PageRegistry extends BaseRegistry<PageRegistration> {
-  getByMatchingUrl(baseUrl: string) {
-    return this.getItems().find(({ routePath: path, exact }) => {
-      return !!matchPath(baseUrl, { path, exact });
-    })
-  }
-
   getItems() {
     return super.getItems().map(item => {
       item.routePath = item.extension.getPageRoute(item.routePath)

src/extensions/registries/status-bar-registry.ts

@@ -1,9 +1,9 @@
 // Extensions API -> Status bar customizations
 
 import React from "react";
-import { BaseRegistry } from "./base-registry";
+import { BaseRegistry, BaseRegistryItem } from "./base-registry";
 
-export interface StatusBarRegistration {
+export interface StatusBarRegistration extends BaseRegistryItem {
   item?: React.ReactNode;
 }
 

src/renderer/components/app.tsx

@@ -74,17 +74,17 @@ export class App extends React.Component {
   }
 
   renderExtensionRoutes() {
-    return clusterPageRegistry.getItems().map(({ components: { Page }, exact, routePath, subPages }) => {
+    return clusterPageRegistry.getItems().map(({ id: pageId, components: { Page }, exact, routePath, subPages }) => {
       const Component = () => {
         if (subPages) {
           const tabs: TabLayoutRoute[] = subPages.map(({ exact, routePath, components: { Page } }) => {
-            const matchingUrl = clusterPageMenuRegistry.getByMatchingRoute(routePath, exact)
+            const menuItem = clusterPageMenuRegistry.getById(pageId);
-            if (!matchingUrl) return;
+            if (!menuItem) return;
             return {
               routePath, exact,
               component: Page,
-              url: matchingUrl.url,
+              url: menuItem.url,
-              title: matchingUrl.title,
+              title: menuItem.title,
             }
           }).filter(Boolean);
           if (tabs.length > 0) {

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

@@ -149,8 +149,8 @@ export class ClustersMenu extends React.Component<Props> {
           )}
         </div>
         <div className="extensions">
-          {globalPageMenuRegistry.getItems().map(({ title, url, components: { Icon } }) => {
+          {globalPageMenuRegistry.getItems().map(({ id: menuItemId, title, url, components: { Icon } }) => {
-            const registeredPage = globalPageRegistry.getByMatchingUrl(url);
+            const registeredPage = globalPageRegistry.getById(menuItemId);
             if (!registeredPage) return;
             const { routePath, exact } = registeredPage;
             const isActive = !!matchPath(navigation.location.pathname, { path: routePath, exact });

src/renderer/components/layout/sidebar.tsx

@@ -180,8 +180,8 @@ export class Sidebar extends React.Component<Props> {
             >
               {this.renderCustomResources()}
             </SidebarNavItem>
-            {clusterPageMenuRegistry.getItems().map(({ title, url, components: { Icon } }) => {
+            {clusterPageMenuRegistry.getItems().map(({ id: menuItemId, title, url, components: { Icon } }) => {
-              const registeredPage = clusterPageRegistry.getByMatchingUrl(url);
+              const registeredPage = clusterPageRegistry.getById(menuItemId);
               if (!registeredPage) return;
               const { routePath, exact } = registeredPage;
               return (