Migrate ui/doc_title to New platform (#48121)

* create NP docTitle service and bridge LP to it

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* properly prefix the docTitle public types

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* update documentation

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* replace direct NP access with closure to avoid error when importing module in tests with no usages

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* remove arrow functions for doc generation

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* remove get$ from the api

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* remove apply param and excludeBase option

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* remove removed export

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* adapt legacy service to new api

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* add entry about docTitle in the migration guide

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* add link in migration guide

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* update generated doc

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* update chrome mock

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* update snapshots due to api change

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

* remove ChromeDocTitleChange in favor of inline type

Signed-off-by: pgayvallet <pierre.gayvallet@elastic.co>

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

@@ -0,0 +1,34 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ChromeDocTitle](./kibana-plugin-public.chromedoctitle.md) &gt; [change](./kibana-plugin-public.chromedoctitle.change.md)
+
+## ChromeDocTitle.change() method
+
+Changes the current document title.
+
+<b>Signature:</b>
+
+```typescript
+change(newTitle: string | string[]): void;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  newTitle | <code>string &#124; string[]</code> |  |
+
+<b>Returns:</b>
+
+`void`
+
+## Example
+
+How to change the title of the document
+
+```ts
+chrome.docTitle.change('My application title')
+chrome.docTitle.change(['My application', 'My section'])
+
+```
+

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

@@ -0,0 +1,39 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ChromeDocTitle](./kibana-plugin-public.chromedoctitle.md)
+
+## ChromeDocTitle interface
+
+APIs for accessing and updating the document title.
+
+<b>Signature:</b>
+
+```typescript
+export interface ChromeDocTitle 
+```
+
+## Methods
+
+|  Method | Description |
+|  --- | --- |
+|  [change(newTitle)](./kibana-plugin-public.chromedoctitle.change.md) | Changes the current document title. |
+|  [reset()](./kibana-plugin-public.chromedoctitle.reset.md) | Resets the document title to it's initial value. (meaning the one present in the title meta at application load.) |
+
+## Example 1
+
+How to change the title of the document
+
+```ts
+chrome.docTitle.change('My application')
+
+```
+
+## Example 2
+
+How to reset the title of the document to it's initial value
+
+```ts
+chrome.docTitle.reset()
+
+```
+

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

@@ -0,0 +1,17 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ChromeDocTitle](./kibana-plugin-public.chromedoctitle.md) &gt; [reset](./kibana-plugin-public.chromedoctitle.reset.md)
+
+## ChromeDocTitle.reset() method
+
+Resets the document title to it's initial value. (meaning the one present in the title meta at application load.)
+
+<b>Signature:</b>
+
+```typescript
+reset(): void;
+```
+<b>Returns:</b>
+
+`void`
+

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

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ChromeStart](./kibana-plugin-public.chromestart.md) &gt; [docTitle](./kibana-plugin-public.chromestart.doctitle.md)
+
+## ChromeStart.docTitle property
+
+APIs for accessing and updating the document title.
+
+<b>Signature:</b>
+
+```typescript
+docTitle: ChromeDocTitle;
+```

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

@@ -16,6 +16,7 @@ export interface ChromeStart
 
 |  Property | Type | Description |
 |  --- | --- | --- |
+|  [docTitle](./kibana-plugin-public.chromestart.doctitle.md) | <code>ChromeDocTitle</code> | APIs for accessing and updating the document title. |
 |  [navControls](./kibana-plugin-public.chromestart.navcontrols.md) | <code>ChromeNavControls</code> | [APIs](./kibana-plugin-public.chromenavcontrols.md) for registering new controls to be displayed in the navigation bar. |
 |  [navLinks](./kibana-plugin-public.chromestart.navlinks.md) | <code>ChromeNavLinks</code> | [APIs](./kibana-plugin-public.chromenavlinks.md) for manipulating nav links. |
 |  [recentlyAccessed](./kibana-plugin-public.chromestart.recentlyaccessed.md) | <code>ChromeRecentlyAccessed</code> | [APIs](./kibana-plugin-public.chromerecentlyaccessed.md) for recently accessed history. |

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

@@ -32,6 +32,7 @@ The plugin integrates with the core system via lifecycle events: `setup`<!-- -->
 |  [Capabilities](./kibana-plugin-public.capabilities.md) | The read-only set of capabilities available for the current UI session. Capabilities are simple key-value pairs of (string, boolean), where the string denotes the capability ID, and the boolean is a flag indicating if the capability is enabled or disabled. |
 |  [ChromeBadge](./kibana-plugin-public.chromebadge.md) |  |
 |  [ChromeBrand](./kibana-plugin-public.chromebrand.md) |  |
+|  [ChromeDocTitle](./kibana-plugin-public.chromedoctitle.md) | APIs for accessing and updating the document title. |
 |  [ChromeNavControl](./kibana-plugin-public.chromenavcontrol.md) |  |
 |  [ChromeNavControls](./kibana-plugin-public.chromenavcontrols.md) | [APIs](./kibana-plugin-public.chromenavcontrols.md) for registering new controls to be displayed in the navigation bar. |
 |  [ChromeNavLink](./kibana-plugin-public.chromenavlink.md) |  |

src/core/MIGRATION.md

@@ -1111,6 +1111,7 @@ import { npStart: { core } } from 'ui/new_platform';
 | `ui/notify`                                           | [`core.notifications`](/docs/development/core/public/kibana-plugin-public.notificationsstart.md) and [`core.overlays`](/docs/development/core/public/kibana-plugin-public.overlaystart.md) | Toast messages are in `notifications`, banners are in `overlays`. May be combined later.                                                       |
 | `ui/routes`                                           | --                                                                                                                                                                                         | There is no global routing mechanism. Each app [configures its own routing](/rfcs/text/0004_application_service_mounting.md#complete-example). |
 | `ui/saved_objects`                                    | [`core.savedObjects`](/docs/development/core/public/kibana-plugin-public.savedobjectsstart.md)                                                                                             | Client API is the same                                                                                                                         |
+| `ui/doc_title`                                        | [`core.chrome.docTitle`](/docs/development/core/public/kibana-plugin-public.chromedoctitle.md)                                                                                             |                                                                                                                                                |
 
 _See also: [Public's CoreStart API Docs](/docs/development/core/public/kibana-plugin-public.corestart.md)_
 

src/core/public/chrome/chrome_service.mock.ts

@@ -43,6 +43,13 @@ const createStartContractMock = () => {
       get: jest.fn(),
       get$: jest.fn(),
     },
+    docTitle: {
+      change: jest.fn(),
+      reset: jest.fn(),
+      __legacy: {
+        setBaseTitle: jest.fn(),
+      },
+    },
     navControls: {
       registerLeft: jest.fn(),
       registerRight: jest.fn(),

src/core/public/chrome/chrome_service.tsx

@@ -33,10 +33,11 @@ import { HttpStart } from '../http';
 import { ChromeNavLinks, NavLinksService } from './nav_links';
 import { ChromeRecentlyAccessed, RecentlyAccessedService } from './recently_accessed';
 import { NavControlsService, ChromeNavControls } from './nav_controls';
+import { DocTitleService, ChromeDocTitle } from './doc_title';
 import { LoadingIndicator, HeaderWrapper as Header } from './ui';
 import { DocLinksStart } from '../doc_links';
 
-export { ChromeNavControls, ChromeRecentlyAccessed };
+export { ChromeNavControls, ChromeRecentlyAccessed, ChromeDocTitle };
 
 const IS_COLLAPSED_KEY = 'core.chrome.isCollapsed';
 
@@ -82,6 +83,7 @@ export class ChromeService {
   private readonly navControls = new NavControlsService();
   private readonly navLinks = new NavLinksService();
   private readonly recentlyAccessed = new RecentlyAccessedService();
+  private readonly docTitle = new DocTitleService();
 
   constructor(private readonly params: ConstructorParams) {}
 
@@ -106,6 +108,7 @@ export class ChromeService {
     const navControls = this.navControls.start();
     const navLinks = this.navLinks.start({ application, http });
     const recentlyAccessed = await this.recentlyAccessed.start({ http });
+    const docTitle = this.docTitle.start({ document: window.document });
 
     if (!this.params.browserSupportsCsp && injectedMetadata.getCspConfig().warnLegacyBrowsers) {
       notifications.toasts.addWarning(
@@ -119,6 +122,7 @@ export class ChromeService {
       navControls,
       navLinks,
       recentlyAccessed,
+      docTitle,
 
       getHeaderComponent: () => (
         <React.Fragment>
@@ -259,6 +263,8 @@ export interface ChromeStart {
   navControls: ChromeNavControls;
   /** {@inheritdoc ChromeRecentlyAccessed} */
   recentlyAccessed: ChromeRecentlyAccessed;
+  /** {@inheritdoc ChromeDocTitle} */
+  docTitle: ChromeDocTitle;
 
   /**
    * Sets the current app's title

src/core/public/chrome/doc_title/doc_title_service.test.ts

@@ -0,0 +1,80 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { DocTitleService } from './doc_title_service';
+
+describe('DocTitleService', () => {
+  const defaultTitle = 'KibanaTest';
+  const document = { title: '' };
+
+  const getStart = (title: string = defaultTitle) => {
+    document.title = title;
+    return new DocTitleService().start({ document });
+  };
+
+  beforeEach(() => {
+    document.title = defaultTitle;
+  });
+
+  describe('#change()', () => {
+    it('changes the title of the document', async () => {
+      getStart().change('TitleA');
+      expect(document.title).toEqual('TitleA - KibanaTest');
+    });
+
+    it('appends the baseTitle to the title', async () => {
+      const start = getStart('BaseTitle');
+      start.change('TitleA');
+      expect(document.title).toEqual('TitleA - BaseTitle');
+      start.change('TitleB');
+      expect(document.title).toEqual('TitleB - BaseTitle');
+    });
+
+    it('accepts string arrays as input', async () => {
+      const start = getStart();
+      start.change(['partA', 'partB']);
+      expect(document.title).toEqual(`partA - partB - ${defaultTitle}`);
+      start.change(['partA', 'partB', 'partC']);
+      expect(document.title).toEqual(`partA - partB - partC - ${defaultTitle}`);
+    });
+  });
+
+  describe('#reset()', () => {
+    it('resets the title to the initial value', async () => {
+      const start = getStart('InitialTitle');
+      start.change('TitleA');
+      expect(document.title).toEqual('TitleA - InitialTitle');
+      start.reset();
+      expect(document.title).toEqual('InitialTitle');
+    });
+  });
+
+  describe('#__legacy.setBaseTitle()', () => {
+    it('allows to change the baseTitle after startup', async () => {
+      const start = getStart('InitialTitle');
+      start.change('WithInitial');
+      expect(document.title).toEqual('WithInitial - InitialTitle');
+      start.__legacy.setBaseTitle('NewBaseTitle');
+      start.change('WithNew');
+      expect(document.title).toEqual('WithNew - NewBaseTitle');
+      start.reset();
+      expect(document.title).toEqual('NewBaseTitle');
+    });
+  });
+});

src/core/public/chrome/doc_title/doc_title_service.ts

@@ -0,0 +1,105 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { compact, flattenDeep, isString } from 'lodash';
+
+interface StartDeps {
+  document: { title: string };
+}
+
+/**
+ * APIs for accessing and updating the document title.
+ *
+ * @example
+ * How to change the title of the document
+ * ```ts
+ * chrome.docTitle.change('My application')
+ * ```
+ *
+ * @example
+ * How to reset the title of the document to it's initial value
+ * ```ts
+ * chrome.docTitle.reset()
+ * ```
+ *
+ * @public
+ * */
+export interface ChromeDocTitle {
+  /**
+   * Changes the current document title.
+   *
+   * @example
+   * How to change the title of the document
+   * ```ts
+   * chrome.docTitle.change('My application title')
+   * chrome.docTitle.change(['My application', 'My section'])
+   * ```
+   *
+   * @param newTitle The new title to set, either a string or string array
+   */
+  change(newTitle: string | string[]): void;
+  /**
+   * Resets the document title to it's initial value.
+   * (meaning the one present in the title meta at application load.)
+   */
+  reset(): void;
+
+  /** @internal */
+  __legacy: {
+    setBaseTitle(baseTitle: string): void;
+  };
+}
+
+const defaultTitle: string[] = [];
+const titleSeparator = ' - ';
+
+/** @internal */
+export class DocTitleService {
+  private document = { title: '' };
+  private baseTitle = '';
+
+  public start({ document }: StartDeps): ChromeDocTitle {
+    this.document = document;
+    this.baseTitle = document.title;
+
+    return {
+      change: (title: string | string[]) => {
+        this.applyTitle(title);
+      },
+      reset: () => {
+        this.applyTitle(defaultTitle);
+      },
+      __legacy: {
+        setBaseTitle: baseTitle => {
+          this.baseTitle = baseTitle;
+        },
+      },
+    };
+  }
+
+  private applyTitle(title: string | string[]) {
+    this.document.title = this.render(title);
+  }
+
+  private render(title: string | string[]) {
+    const parts = [...(isString(title) ? [title] : title), this.baseTitle];
+    // ensuring compat with legacy that might be passing nested arrays
+    return compact(flattenDeep(parts)).join(titleSeparator);
+  }
+}

src/core/public/chrome/doc_title/index.ts

@@ -0,0 +1,20 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+export * from './doc_title_service';