Use ts-expect-error in platform code

.eslintrc.js

@@ -1039,5 +1039,22 @@ module.exports = {
         ...require('eslint-config-prettier/@typescript-eslint').rules,
       },
     },
+
+    {
+      files: [
+        // platform-team owned code
+        'src/core/**',
+        'x-pack/plugins/features/**',
+        'x-pack/plugins/licensing/**',
+        'x-pack/plugins/global_search/**',
+        'x-pack/plugins/cloud/**',
+        'packages/kbn-config-schema',
+        'src/plugins/status_page/**',
+        'src/plugins/saved_objects_management/**',
+      ],
+      rules: {
+        '@typescript-eslint/prefer-ts-expect-error': 'error',
+      },
+    },
   ],
 };

docs/development/core/public/kibana-plugin-core-public.md

@@ -172,7 +172,6 @@ The plugin integrates with the core system via lifecycle events: `setup`<!-- -->
 |  [PublicAppInfo](./kibana-plugin-core-public.publicappinfo.md) | Public information about a registered [application](./kibana-plugin-core-public.app.md) |
 |  [PublicLegacyAppInfo](./kibana-plugin-core-public.publiclegacyappinfo.md) | Information about a registered [legacy application](./kibana-plugin-core-public.legacyapp.md) |
 |  [PublicUiSettingsParams](./kibana-plugin-core-public.publicuisettingsparams.md) | A sub-set of [UiSettingsParams](./kibana-plugin-core-public.uisettingsparams.md) exposed to the client-side. |
-|  [RecursiveReadonly](./kibana-plugin-core-public.recursivereadonly.md) |  |
 |  [SavedObjectAttribute](./kibana-plugin-core-public.savedobjectattribute.md) | Type definition for a Saved Object attribute value |
 |  [SavedObjectAttributeSingle](./kibana-plugin-core-public.savedobjectattributesingle.md) | Don't use this type, it's simply a helper type for [SavedObjectAttribute](./kibana-plugin-core-public.savedobjectattribute.md) |
 |  [SavedObjectsClientContract](./kibana-plugin-core-public.savedobjectsclientcontract.md) | SavedObjectsClientContract as implemented by the [SavedObjectsClient](./kibana-plugin-core-public.savedobjectsclient.md) |

docs/development/core/server/kibana-plugin-core-server.md

@@ -257,7 +257,6 @@ The plugin integrates with the core system via lifecycle events: `setup`<!-- -->
 |  [PluginName](./kibana-plugin-core-server.pluginname.md) | Dedicated type for plugin name/id that is supposed to make Map/Set/Arrays that use it as a key or value more obvious. |
 |  [PluginOpaqueId](./kibana-plugin-core-server.pluginopaqueid.md) |  |
 |  [PublicUiSettingsParams](./kibana-plugin-core-server.publicuisettingsparams.md) | A sub-set of [UiSettingsParams](./kibana-plugin-core-server.uisettingsparams.md) exposed to the client-side. |
-|  [RecursiveReadonly](./kibana-plugin-core-server.recursivereadonly.md) |  |
 |  [RedirectResponseOptions](./kibana-plugin-core-server.redirectresponseoptions.md) | HTTP response parameters for redirection response |
 |  [RequestHandler](./kibana-plugin-core-server.requesthandler.md) | A function executed when route path matched requested resource path. Request handler is expected to return a result of one of [KibanaResponseFactory](./kibana-plugin-core-server.kibanaresponsefactory.md) functions. |
 |  [RequestHandlerContextContainer](./kibana-plugin-core-server.requesthandlercontextcontainer.md) | An object that handles registration of http request context providers. |

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.querystringinput.md

@@ -7,5 +7,5 @@
 <b>Signature:</b>
 
 ```typescript
-QueryStringInput: React.FC<Pick<Props, "query" | "placeholder" | "onChange" | "onSubmit" | "prepend" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition">>
+QueryStringInput: React.FC<Pick<Props, "query" | "prepend" | "placeholder" | "onChange" | "onSubmit" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition">>
 ```

packages/kbn-utility-types/index.ts

@@ -61,7 +61,8 @@ export type Ensure<T, X> = T extends X ? T : never;
 
 // If we define this inside RecursiveReadonly TypeScript complains.
 // eslint-disable-next-line @typescript-eslint/no-empty-interface
-interface RecursiveReadonlyArray<T> extends Array<RecursiveReadonly<T>> {}
+export interface RecursiveReadonlyArray<T> extends ReadonlyArray<RecursiveReadonly<T>> {}
+
 export type RecursiveReadonly<T> = T extends (...args: any) => any
   ? T
   : T extends any[]

src/core/public/application/capabilities/capabilities_service.test.ts

@@ -48,7 +48,7 @@ describe('#start', () => {
       appIds: ['app1', 'app2', 'legacyApp1', 'legacyApp2'],
     });
 
-    // @ts-ignore TypeScript knows this shouldn't be possible
+    // @ts-expect-error TypeScript knows this shouldn't be possible
     expect(() => (capabilities.foo = 'foo')).toThrowError();
   });
 
@@ -59,7 +59,7 @@ describe('#start', () => {
       appIds: ['app1', 'app2', 'legacyApp1', 'legacyApp2'],
     });
 
-    // @ts-ignore TypeScript knows this shouldn't be possible
+    // @ts-expect-error TypeScript knows this shouldn't be possible
     expect(() => (capabilities.foo = 'foo')).toThrowError();
   });
 });

src/core/public/application/capabilities/capabilities_service.tsx

@@ -16,9 +16,10 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+import { RecursiveReadonly } from '@kbn/utility-types';
 
 import { Capabilities } from '../../../types/capabilities';
-import { deepFreeze, RecursiveReadonly } from '../../../utils';
+import { deepFreeze } from '../../../utils';
 import { HttpStart } from '../../http';
 
 interface StartDeps {

src/core/public/application/types.ts

@@ -19,6 +19,7 @@
 
 import { Observable } from 'rxjs';
 import { History } from 'history';
+import { RecursiveReadonly } from '@kbn/utility-types';
 
 import { Capabilities } from './capabilities';
 import { ChromeStart } from '../chrome';
@@ -30,7 +31,6 @@ import { NotificationsStart } from '../notifications';
 import { OverlayStart } from '../overlays';
 import { PluginOpaqueId } from '../plugins';
 import { IUiSettingsClient } from '../ui_settings';
-import { RecursiveReadonly } from '../../utils';
 import { SavedObjectsStart } from '../saved_objects';
 import { AppCategory } from '../../types';
 import { ScopedHistory } from './scoped_history';

src/core/public/chrome/recently_accessed/persisted_log.test.ts

@@ -59,7 +59,7 @@ describe('PersistedLog', () => {
 
   describe('internal functionality', () => {
     test('reads from storage', () => {
-      // @ts-ignore
+      // @ts-expect-error
       const log = new PersistedLog(historyName, { maxLength: 10 }, storage);
 
       expect(storage.getItem).toHaveBeenCalledTimes(1);

src/core/public/chrome/recently_accessed/recently_accessed_service.test.ts

@@ -55,11 +55,11 @@ describe('RecentlyAccessed#start()', () => {
   let originalLocalStorage: Storage;
   beforeAll(() => {
     originalLocalStorage = window.localStorage;
-    // @ts-ignore
+    // @ts-expect-error
     window.localStorage = new LocalStorageMock();
   });
   beforeEach(() => localStorage.clear());
-  // @ts-ignore
+  // @ts-expect-error
   afterAll(() => (window.localStorage = originalLocalStorage));
 
   const getStart = async () => {

src/core/public/chrome/ui/header/header_help_menu.tsx

@@ -312,7 +312,6 @@ class HeaderHelpMenuUI extends Component<Props, State> {
     );
 
     return (
-      // @ts-ignore repositionOnScroll doesn't exist in EuiPopover
       <EuiPopover
         anchorPosition="downRight"
         button={button}

src/core/public/chrome/ui/header/recent_links.tsx

@@ -19,7 +19,6 @@
 
 import React from 'react';
 import { i18n } from '@kbn/i18n';
-// @ts-ignore
 import { EuiNavDrawerGroup } from '@elastic/eui';
 import { RecentNavLink } from './nav_link';
 

src/core/public/http/fetch.test.ts

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-// @ts-ignore
+// @ts-expect-error
 import fetchMock from 'fetch-mock/es5/client';
 import { readFileSync } from 'fs';
 import { join } from 'path';
@@ -117,7 +117,7 @@ describe('Fetch', () => {
       fetchMock.get('*', {});
       await expect(
         fetchInstance.fetch(
-          // @ts-ignore
+          // @ts-expect-error
           { path: '/', headers: { hello: 'world' } },
           { headers: { hello: 'mars' } }
         )

src/core/public/http/http_service.test.ts

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-// @ts-ignore
+// @ts-expect-error
 import fetchMock from 'fetch-mock/es5/client';
 import { loadingServiceMock } from './http_service.test.mocks';
 

src/core/public/index.ts

@@ -81,7 +81,6 @@ import {
 
 export { CoreContext, CoreSystem } from './core_system';
 export {
-  RecursiveReadonly,
   DEFAULT_APP_CATEGORIES,
   getFlattenedObject,
   URLMeaningfulParts,

src/core/public/injected_metadata/injected_metadata_service.test.ts

@@ -58,7 +58,6 @@ describe('setup.getCspConfig()', () => {
 
     const csp = injectedMetadata.setup().getCspConfig();
     expect(() => {
-      // @ts-ignore TS knows this shouldn't be possible
       csp.warnLegacyBrowsers = false;
     }).toThrowError();
   });
@@ -100,11 +99,11 @@ describe('setup.getPlugins()', () => {
       plugins.push({ id: 'new-plugin', plugin: {} as DiscoveredPlugin });
     }).toThrowError();
     expect(() => {
-      // @ts-ignore TS knows this shouldn't be possible
+      // @ts-expect-error TS knows this shouldn't be possible
       plugins[0].name = 'changed';
     }).toThrowError();
     expect(() => {
-      // @ts-ignore TS knows this shouldn't be possible
+      // @ts-expect-error TS knows this shouldn't be possible
       plugins[0].newProp = 'changed';
     }).toThrowError();
   });
@@ -136,7 +135,7 @@ describe('setup.getLegacyMetadata()', () => {
       foo: true,
     });
     expect(() => {
-      // @ts-ignore TS knows this shouldn't be possible
+      // @ts-expect-error TS knows this shouldn't be possible
       legacyMetadata.foo = false;
     }).toThrowError();
   });

src/core/public/integrations/styles/styles_service.ts

@@ -21,7 +21,7 @@ import { Subscription } from 'rxjs';
 
 import { IUiSettingsClient } from '../../ui_settings';
 import { CoreService } from '../../../types';
-// @ts-ignore
+// @ts-expect-error
 import disableAnimationsCss from '!!raw-loader!./disable_animations.css';
 
 interface StartDeps {

src/core/public/kbn_bootstrap.ts

@@ -42,7 +42,6 @@ export function __kbnBootstrap__() {
   const APM_ENABLED = process.env.IS_KIBANA_DISTRIBUTABLE !== 'true' && apmConfig != null;
 
   if (APM_ENABLED) {
-    // @ts-ignore
     // eslint-disable-next-line @typescript-eslint/no-var-requires
     const { init, apm } = require('@elastic/apm-rum');
     if (apmConfig.globalLabels) {

src/core/public/public.api.md

@@ -116,6 +116,7 @@ import { PublicUiSettingsParams as PublicUiSettingsParams_2 } from 'src/core/ser
 import { PutScriptParams } from 'elasticsearch';
 import { PutTemplateParams } from 'elasticsearch';
 import React from 'react';
+import { RecursiveReadonly } from '@kbn/utility-types';
 import { ReindexParams } from 'elasticsearch';
 import { ReindexRethrottleParams } from 'elasticsearch';
 import { RenderSearchTemplateParams } from 'elasticsearch';
@@ -1158,13 +1159,6 @@ export type PublicLegacyAppInfo = Omit<LegacyApp, 'updater$'> & {
 // @public
 export type PublicUiSettingsParams = Omit<UiSettingsParams, 'schema'>;
 
-// Warning: (ae-forgotten-export) The symbol "RecursiveReadonlyArray" needs to be exported by the entry point index.d.ts
-//
-// @public (undocumented)
-export type RecursiveReadonly<T> = T extends (...args: any[]) => any ? T : T extends any[] ? RecursiveReadonlyArray<T[number]> : T extends object ? Readonly<{
-    [K in keyof T]: RecursiveReadonly<T[K]>;
-}> : T;
-
 // Warning: (ae-missing-release-tag) "SavedObject" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
 //
 // @public (undocumented)

src/core/public/saved_objects/saved_objects_client.test.ts

@@ -432,7 +432,7 @@ describe('SavedObjectsClient', () => {
         sortOrder: 'sort', // Not currently supported by API
       };
 
-      // @ts-ignore
+      // @ts-expect-error
       savedObjectsClient.find(options);
       expect(http.fetch.mock.calls).toMatchInlineSnapshot(`
         Array [

src/core/public/ui_settings/ui_settings_api.test.ts

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-// @ts-ignore
+// @ts-expect-error
 import fetchMock from 'fetch-mock/es5/client';
 import * as Rx from 'rxjs';
 import { takeUntil, toArray } from 'rxjs/operators';

src/core/server/elasticsearch/legacy/retry_call_cluster.ts

@@ -67,7 +67,7 @@ export function migrationsRetryCallCluster(
                     error instanceof esErrors.RequestTimeout ||
                     error instanceof esErrors.AuthenticationException ||
                     error instanceof esErrors.AuthorizationException ||
-                    // @ts-ignore
+                    // @ts-expect-error
                     error instanceof esErrors.Gone ||
                     error?.body?.error?.type === 'snapshot_in_progress_exception'
                   );

src/core/server/http/cookie_session_storage.ts

@@ -19,7 +19,7 @@
 
 import { Request, Server } from 'hapi';
 import hapiAuthCookie from 'hapi-auth-cookie';
-// @ts-ignore no TS definitions
+// @ts-expect-error no TS definitions
 import Statehood from 'statehood';
 
 import { KibanaRequest, ensureRawRequest } from './router';

src/core/server/http/router/request.ts

@@ -21,8 +21,9 @@ import { Url } from 'url';
 import { Request, ApplicationState } from 'hapi';
 import { Observable, fromEvent, merge } from 'rxjs';
 import { shareReplay, first, takeUntil } from 'rxjs/operators';
+import { RecursiveReadonly } from '@kbn/utility-types';
 
-import { deepFreeze, RecursiveReadonly } from '../../../utils';
+import { deepFreeze } from '../../../utils';
 import { Headers } from './headers';
 import { RouteMethod, RouteConfigOptions, validBodyOutput, isSafeMethod } from './route';
 import { KibanaSocket, IKibanaSocket } from './socket';
@@ -156,7 +157,7 @@ export class KibanaRequest<
     public readonly params: Params,
     public readonly query: Query,
     public readonly body: Body,
-    // @ts-ignore we will use this flag as soon as http request proxy is supported in the core
+    // @ts-expect-error we will use this flag as soon as http request proxy is supported in the core
     // until that time we have to expose all the headers
     private readonly withoutSecretHeaders: boolean
   ) {

src/core/server/index.ts

@@ -307,7 +307,6 @@ export {
 } from './metrics';
 
 export {
-  RecursiveReadonly,
   DEFAULT_APP_CATEGORIES,
   getFlattenedObject,
   URLMeaningfulParts,

src/core/server/legacy/config/get_unused_config_keys.ts

@@ -18,7 +18,7 @@
  */
 
 import { difference, get, set } from 'lodash';
-// @ts-ignore
+// @ts-expect-error
 import { getTransform } from '../../../../legacy/deprecation/index';
 import { unset } from '../../../../legacy/utils';
 import { getFlattenedObject } from '../../../utils';

src/core/server/legacy/legacy_service.test.ts

@@ -29,7 +29,6 @@ import {
 
 import { BehaviorSubject, throwError } from 'rxjs';
 
-// @ts-ignore: implicit any for JS file
 import { ClusterManager as MockClusterManager } from '../../../cli/cluster/cluster_manager';
 import KbnServer from '../../../legacy/server/kbn_server';
 import { Config, Env, ObjectToConfigAdapter } from '../config';

src/core/server/legacy/logging/legacy_logging_server.ts

@@ -19,9 +19,9 @@
 
 import { ServerExtType } from 'hapi';
 import Podium from 'podium';
-// @ts-ignore: implicit any for JS file
+// @ts-expect-error: implicit any for JS file
 import { Config } from '../../../../legacy/server/config';
-// @ts-ignore: implicit any for JS file
+// @ts-expect-error: implicit any for JS file
 import { setupLogging } from '../../../../legacy/server/logging';
 import { LogLevel } from '../../logging/log_level';
 import { LogRecord } from '../../logging/log_record';

src/core/server/legacy/plugins/find_legacy_plugin_specs.ts

@@ -23,7 +23,7 @@ import { toArray, tap, distinct, map } from 'rxjs/operators';
 import {
   findPluginSpecs,
   defaultConfig,
-  // @ts-ignore
+  // @ts-expect-error
 } from '../../../../legacy/plugin_discovery/find_plugin_specs.js';
 // eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { collectUiExports as collectLegacyUiExports } from '../../../../legacy/ui/ui_exports/collect_ui_exports';

src/core/server/plugins/types.ts

@@ -19,8 +19,8 @@
 
 import { Observable } from 'rxjs';
 import { Type } from '@kbn/config-schema';
+import { RecursiveReadonly } from '@kbn/utility-types';
 
-import { RecursiveReadonly } from 'kibana/public';
 import { ConfigPath, EnvironmentMode, PackageInfo, ConfigDeprecationProvider } from '../config';
 import { LoggerFactory } from '../logging';
 import { KibanaConfigType } from '../kibana_config';