Add automation for linting and code gen for Extension package

.vscode/launch.json

@@ -1341,7 +1341,18 @@
         "--timeout 50000" // for easier debugging
       ],
       "console": "integratedTerminal",
-    }
+    },
+    {
+      "name": "Extension API Generator",
+      "cwd": "${workspaceFolder}/core/extension/",
+      "type": "pwa-node",
+      "request": "launch",
+      "runtimeExecutable": "npm",
+      "runtimeArgs": [
+        "run",
+        "generate"
+      ],
+    },
   ],
   "compounds": [
     {

common/api/core-frontend.api.md

@@ -54,7 +54,6 @@ import { CodeSpec } from '@itwin/core-common';
 import { ColorDef } from '@itwin/core-common';
 import { ColorDefProps } from '@itwin/core-common';
 import { ColorIndex } from '@itwin/core-common';
-import { CommonToolbarItem } from '@itwin/appui-abstract';
 import { CompressedId64Set } from '@itwin/core-bentley';
 import { Constructor } from '@itwin/core-bentley';
 import { ContentIdProvider } from '@itwin/core-common';
@@ -293,15 +292,12 @@ import { TileHeader } from '@itwin/core-common';
 import { TileProps } from '@itwin/core-common';
 import { TileReadStatus } from '@itwin/core-common';
 import { TileVersionInfo } from '@itwin/core-common';
-import { ToolbarOrientation } from '@itwin/appui-abstract';
-import { ToolbarUsage } from '@itwin/appui-abstract';
 import { Transform } from '@itwin/core-geometry';
 import { TransformProps } from '@itwin/core-geometry';
 import { TransientIdSequence } from '@itwin/core-bentley';
 import { Tweens } from '@itwin/core-common';
 import { TxnNotifications } from '@itwin/core-common';
 import { UiAdmin } from '@itwin/appui-abstract';
-import { UiItemsProvider } from '@itwin/appui-abstract';
 import { UnitConversion } from '@itwin/core-quantity';
 import { UnitProps } from '@itwin/core-quantity';
 import { UnitsProvider } from '@itwin/core-quantity';
@@ -1027,10 +1023,7 @@ export enum ACSType {
 }
 
 // @alpha (undocumented)
-export enum ActivationEvent {
-    // (undocumented)
-    onStartup = "onStartup"
-}
+export type ActivationEvent = "onStartup";
 
 // @public
 export class ActivityMessageDetails {
@@ -3098,40 +3091,6 @@ export enum EventHandled {
     Yes = 1
 }
 
-// @alpha
-export class ExtensionAdmin {
-    constructor();
-    addBuildExtension(manifestPromise: Promise<BuildExtensionManifest>, mainFunc?: ResolveFunc): Promise<void>;
-    addExtensionLoader(extensionLoader: ExtensionLoader): void;
-    addExtensionLoaderFront(extensionLoader: ExtensionLoader): void;
-    // @internal
-    onStartup: () => Promise<void>;
-}
-
-// @alpha
-export class ExtensionHost {
-    protected constructor();
-    // (undocumented)
-    static get accuSnap(): AccuSnap;
-    // (undocumented)
-    static get locateManager(): ElementLocateManager;
-    // (undocumented)
-    static get notifications(): NotificationManager;
-    // (undocumented)
-    static get renderSystem(): RenderSystem;
-    // (undocumented)
-    static get toolAdmin(): ToolAdmin;
-    // (undocumented)
-    static get viewManager(): ViewManager;
-}
-
-// @alpha (undocumented)
-export class ExtensionImpl {
-    constructor(_id: string);
-    // (undocumented)
-    registerTool(tool: ToolType, onRegistered?: () => any): Promise<void>;
-}
-
 // @alpha
 export interface ExtensionLoader {
     downloadExtension(arg: ExtensionLoaderProps): Promise<LocalExtensionProps>;
@@ -11750,15 +11709,6 @@ export interface ToolAssistanceSection {
 // @public (undocumented)
 export type ToolList = ToolType[];
 
-// @alpha (undocumented)
-export class ToolProvider implements UiItemsProvider {
-    constructor(tool: ToolType);
-    // (undocumented)
-    readonly id: string;
-    // (undocumented)
-    provideToolbarButtonItems(_stageId: string, stageUsage: string, toolbarUsage: ToolbarUsage, toolbarOrientation: ToolbarOrientation): CommonToolbarItem[];
-    }
-
 // @public
 export class ToolRegistry {
     create(toolId: string, ...args: any[]): Tool | undefined;

common/changes/@itwin/build-tools/spencer-extension-code-gen_2022-02-28-19-46.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/build-tools",
+      "comment": "Add extension API generation",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/build-tools"
+}

common/changes/@itwin/core-common/spencer-extension-code-gen_2022-02-28-19-46.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/core-common",
+      "comment": "Add extension API generation",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/core-common"
+}

common/changes/@itwin/core-extension/spencer-extension-code-gen_2022-02-28-19-46.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/core-extension",
+      "comment": "Add extension API generation",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/core-extension"
+}

common/changes/@itwin/core-frontend/spencer-extension-code-gen_2022-02-28-19-46.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/core-frontend",
+      "comment": "Add extension API generation",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/core-frontend"
+}

common/changes/@itwin/eslint-plugin/spencer-extension-code-gen_2022-02-28-19-46.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/eslint-plugin",
+      "comment": "Add extension API generation",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/eslint-plugin"
+}

common/config/rush/command-line.json

@@ -62,6 +62,15 @@
       "ignoreMissingScript": true,
       "ignoreDependencyOrder": true
     },
+    {
+      "name": "extract-extension-api",
+      "commandKind": "bulk",
+      "summary": "Run eslint rule to generate extension API files",
+      "description": "Iterates through each package in the monorepo and runs the 'extract-extension-api' script",
+      "enableParallelism": true,
+      "ignoreMissingScript": true,
+      "ignoreDependencyOrder": true
+    },
     {
       "name": "lint",
       "commandKind": "bulk",