simplify extension's registrations apis

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

extensions/example-extension/renderer.tsx

@@ -3,24 +3,14 @@ import { ExampleIcon, ExamplePage } from "./page"
 import React from "react"
 
 export default class ExampleExtension extends LensRendererExtension {
-  onActivate() {
-    console.log('EXAMPLE EXTENSION RENDERER: ACTIVATED', this.getMeta());
-  }
-
-  registerClusterPage() {
-    return [
-      {
-        path: "/extension-example",
-        title: "Example Extension",
-        components: {
-          Page: () => <ExamplePage extension={this} />,
-          MenuIcon: ExampleIcon,
-        }
+  clusterPages = [
+    {
+      path: "/extension-example",
+      title: "Example Extension",
+      components: {
+        Page: () => <ExamplePage extension={this}/>,
+        MenuIcon: ExampleIcon,
       }
-    ]
-  }
-
-  onDeactivate() {
-    console.log('EXAMPLE EXTENSION RENDERER: DEACTIVATED', this.getMeta());
-  }
+    }
+  ]
 }

extensions/metrics-cluster-feature/renderer.tsx

@@ -3,23 +3,21 @@ import { MetricsFeature } from "./src/metrics-feature"
 import React from "react"
 
 export default class ClusterMetricsFeatureExtension extends LensRendererExtension {
-  registerClusterFeatures() {
-    return [
-      {
-        title: "Metrics Stack",
-        components: {
-          Description: () => {
-            return (
-              <span>
+  clusterFeatures = [
+    {
+      title: "Metrics Stack",
+      components: {
+        Description: () => {
+          return (
+            <span>
                 Enable timeseries data visualization (Prometheus stack) for your cluster.
                 Install this only if you don't have existing Prometheus stack installed.
                 You can see preview of manifests <a href="https://github.com/lensapp/lens/tree/master/extensions/lens-metrics/resources" target="_blank">here</a>.
               </span>
-            )
-          }
-        },
-        feature: new MetricsFeature()
-      }
-    ]
-  }
+          )
+        }
+      },
+      feature: new MetricsFeature()
+    }
+  ]
 }

extensions/node-menu/renderer.tsx

@@ -3,19 +3,13 @@ import React from "react"
 import { NodeMenu, NodeMenuProps } from "./src/node-menu"
 
 export default class NodeMenuRendererExtension extends LensRendererExtension {
-  async onActivate() {
-    console.log("node-menu extension activated")
-  }
-
-  registerKubeObjectMenus() {
-    return [
-      {
-        kind: "Node",
-        apiVersions: ["v1"],
-        components: {
-          MenuItem: (props: NodeMenuProps) => <NodeMenu {...props} />
-        }
+  kubeObjectMenuItems = [
+    {
+      kind: "Node",
+      apiVersions: ["v1"],
+      components: {
+        MenuItem: (props: NodeMenuProps) => <NodeMenu {...props} />
       }
-    ]
-  }
+    }
+  ]
 }

extensions/pod-menu/renderer.tsx

@@ -4,26 +4,20 @@ import { PodLogsMenu, PodLogsMenuProps } from "./src/logs-menu"
 import React from "react"
 
 export default class PodMenuRendererExtension extends LensRendererExtension {
-  async onActivate() {
-    console.log("pod-menu extension activated")
-  }
-
-  registerKubeObjectMenus() {
-    return [
-      {
-        kind: "Pod",
-        apiVersions: ["v1"],
-        components: {
-          MenuItem: (props: PodShellMenuProps) => <PodShellMenu {...props} />
-        }
-      },
-      {
-        kind: "Pod",
-        apiVersions: ["v1"],
-        components: {
-          MenuItem: (props: PodLogsMenuProps) => <PodLogsMenu {...props} />
-        }
+  kubeObjectMenuItems = [
+    {
+      kind: "Pod",
+      apiVersions: ["v1"],
+      components: {
+        MenuItem: (props: PodShellMenuProps) => <PodShellMenu {...props} />
       }
-    ]
-  }
+    },
+    {
+      kind: "Pod",
+      apiVersions: ["v1"],
+      components: {
+        MenuItem: (props: PodLogsMenuProps) => <PodLogsMenu {...props} />
+      }
+    }
+  ]
 }

extensions/support-page/main.ts

@@ -2,22 +2,16 @@ import { LensMainExtension, windowManager } from "@k8slens/extensions";
 import { supportPageURL } from "./src/support.route";
 
 export default class SupportPageMainExtension extends LensMainExtension {
-  async onActivate() {
-    console.log("support page extension activated")
-  }
-
-  registerAppMenus() {
-    return [
-      {
-        parentId: "help",
-        label: "Support",
-        click() {
-          windowManager.navigate({
-            channel: "menu:navigate", // fixme: use windowManager.ensureMainWindow from Tray's PR
-            url: supportPageURL(),
-          });
-        }
+  appMenus = [
+    {
+      parentId: "help",
+      label: "Support",
+      click() {
+        windowManager.navigate({
+          channel: "menu:navigate", // fixme: use windowManager.ensureMainWindow from Tray's PR
+          url: supportPageURL(),
+        });
       }
-    ]
-  }
+    }
+  ]
 }

extensions/support-page/renderer.tsx

@@ -4,36 +4,28 @@ import { supportPageRoute, supportPageURL } from "./src/support.route";
 import { Support } from "./src/support";
 
 export default class SupportPageRendererExtension extends LensRendererExtension {
-  async onActivate() {
-    console.log("support page extension activated")
-  }
-
-  registerGlobalPages() {
-    return [
-      {
-        ...supportPageRoute,
-        url: supportPageURL(),
-        hideInMenu: true,
-        components: {
-          Page: Support,
-        }
+  globalPages = [
+    {
+      ...supportPageRoute,
+      url: supportPageURL(),
+      hideInMenu: true,
+      components: {
+        Page: Support,
       }
-    ]
-  }
+    }
+  ]
 
-  registerStatusBarItems() {
-    return [
-      {
-        item: (
-          <div
-            className="flex align-center gaps hover-highlight"
-            onClick={() => Navigation.navigate(supportPageURL())}
-          >
-            <Component.Icon material="help_outline" small />
-            <span>Support</span>
-          </div>
-        )
-      }
-    ]
-  }
+  statusBarItems = [
+    {
+      item: (
+        <div
+          className="flex align-center gaps hover-highlight"
+          onClick={() => Navigation.navigate(supportPageURL())}
+        >
+          <Component.Icon material="help_outline" small/>
+          <span>Support</span>
+        </div>
+      )
+    }
+  ]
 }

extensions/telemetry/renderer.tsx

@@ -5,25 +5,19 @@ import { tracker } from "./src/tracker"
 import React from "react"
 
 export default class TelemetryRendererExtension extends LensRendererExtension {
+  appPreferences = [
+    {
+      title: "Telemetry & Usage Tracking",
+      components: {
+        Hint: () => <TelemetryPreferenceHint/>,
+        Input: () => <TelemetryPreferenceInput telemetry={telemetryPreferencesStore}/>
+      }
+    }
+  ];
+
   async onActivate() {
     console.log("telemetry extension activated")
     tracker.start()
     await telemetryPreferencesStore.loadExtension(this)
   }
-
-  registerAppPreferences() {
-    return [
-      {
-        title: "Telemetry & Usage Tracking",
-        components: {
-          Hint: () => <TelemetryPreferenceHint />,
-          Input: () => <TelemetryPreferenceInput telemetry={telemetryPreferencesStore} />
-        }
-      }
-    ]
-  }
-
-  onDeactivate() {
-    console.log("telemetry extension deactivated")
-  }
 }

src/extensions/extension-loader.ts

@@ -37,25 +37,25 @@ export class ExtensionLoader {
   loadOnMain() {
     logger.info('[EXTENSIONS-LOADER]: load on main')
     this.autoloadExtensions((extension: LensMainExtension) => {
-      extension.register(menuRegistry, extension.registerAppMenus())
+      extension.registerTo(menuRegistry, extension.appMenus)
     })
   }
 
   loadOnClusterManagerRenderer() {
     logger.info('[EXTENSIONS-LOADER]: load on main renderer (cluster manager)')
     this.autoloadExtensions((extension: LensRendererExtension) => {
-      extension.register(globalPageRegistry, extension.registerGlobalPages())
-      extension.register(appPreferenceRegistry, extension.registerAppPreferences())
-      extension.register(clusterFeatureRegistry, extension.registerClusterFeatures())
-      extension.register(statusBarRegistry, extension.registerStatusBarItems())
+      extension.registerTo(globalPageRegistry, extension.globalPages)
+      extension.registerTo(appPreferenceRegistry, extension.appPreferences)
+      extension.registerTo(clusterFeatureRegistry, extension.clusterFeatures)
+      extension.registerTo(statusBarRegistry, extension.statusBarItems)
     })
   }
 
   loadOnClusterRenderer() {
     logger.info('[EXTENSIONS-LOADER]: load on cluster renderer (dashboard)')
     this.autoloadExtensions((extension: LensRendererExtension) => {
-      extension.register(clusterPageRegistry, extension.registerClusterPages())
-      extension.register(kubeObjectMenuRegistry, extension.registerKubeObjectMenus())
+      extension.registerTo(clusterPageRegistry, extension.clusterPages)
+      extension.registerTo(kubeObjectMenuRegistry, extension.kubeObjectMenuItems)
     })
   }
 

src/extensions/lens-extension.ts

@@ -78,8 +78,8 @@ export class LensExtension implements ExtensionModel {
     // mock
   }
 
-  register<T = any>(registry: BaseRegistry<T>, registryItems: T[]) {
-    const disposers = registryItems.map(item => registry.add(item));
+  registerTo<T = any>(registry: BaseRegistry<T>, items: T[] = []) {
+    const disposers = items.map(item => registry.add(item));
     this.disposers.push(...disposers);
     return () => {
       this.disposers = this.disposers.filter(disposer => !disposers.includes(disposer))

src/extensions/lens-main-extension.ts

@@ -1,12 +1,7 @@
-import { LensExtension } from "./lens-extension"
 import type { MenuRegistration } from "./registries/menu-registry";
+import { observable } from "mobx";
+import { LensExtension } from "./lens-extension"
 
 export class LensMainExtension extends LensExtension {
-  registerAppMenus(): MenuRegistration[] {
-    return []
-  }
-
-  registerPrometheusProviders(): any[] {
-    return []
-  }
+  @observable.shallow appMenus: MenuRegistration[] = []
 }

src/extensions/lens-renderer-extension.ts

@@ -1,28 +1,12 @@
-import { LensExtension } from "./lens-extension"
 import type { AppPreferenceRegistration, ClusterFeatureRegistration, KubeObjectMenuRegistration, PageRegistration, StatusBarRegistration } from "./registries"
+import { observable } from "mobx";
+import { LensExtension } from "./lens-extension"
 
 export class LensRendererExtension extends LensExtension {
-  registerGlobalPages(): PageRegistration[] {
-    return []
-  }
-
-  registerClusterPages(): PageRegistration[] {
-    return []
-  }
-
-  registerAppPreferences(): AppPreferenceRegistration[] {
-    return []
-  }
-
-  registerClusterFeatures(): ClusterFeatureRegistration[] {
-    return []
-  }
-
-  registerStatusBarItems(): StatusBarRegistration[] {
-    return []
-  }
-
-  registerKubeObjectMenus(): KubeObjectMenuRegistration[] {
-    return []
-  }
+  @observable.shallow globalPages: PageRegistration[] = []
+  @observable.shallow clusterPages: PageRegistration[] = []
+  @observable.shallow appPreferences: AppPreferenceRegistration[] = []
+  @observable.shallow clusterFeatures: ClusterFeatureRegistration[] = []
+  @observable.shallow statusBarItems: StatusBarRegistration[] = []
+  @observable.shallow kubeObjectMenuItems: KubeObjectMenuRegistration[] = []
 }