Add ApplicationService Mounting (#41007)

* Add core-only bundle

* Add ApplicationService mounting

* Add LegacyCore{Setup,Start}

* Fix PR comments

* Add functional tests

* Fix PR comments

* Fix PR comments

* Remove other usages of rootRoute

* Use state field notation

* Add support for open in new tab

* Fix PR comments

* Fix pesky await from the dead

* Update docs

* Bump @types/history

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

@@ -0,0 +1,20 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [App](./kibana-plugin-public.app.md)
+
+## App interface
+
+Extension of [common app properties](./kibana-plugin-public.appbase.md) with the mount function.
+
+<b>Signature:</b>
+
+```typescript
+export interface App extends AppBase 
+```
+
+## Properties
+
+|  Property | Type | Description |
+|  --- | --- | --- |
+|  [mount](./kibana-plugin-public.app.mount.md) | <code>(context: AppMountContext, params: AppMountParameters) =&gt; AppUnmount &#124; Promise&lt;AppUnmount&gt;</code> | A mount function called when the user navigates to this app's route. |
+

docs/development/core/public/kibana-plugin-public.app.mount.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; [App](./kibana-plugin-public.app.md) &gt; [mount](./kibana-plugin-public.app.mount.md)
+
+## App.mount property
+
+A mount function called when the user navigates to this app's route.
+
+<b>Signature:</b>
+
+```typescript
+mount: (context: AppMountContext, params: AppMountParameters) => AppUnmount | Promise<AppUnmount>;
+```

docs/development/core/public/kibana-plugin-public.appbase.capabilities.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; [AppBase](./kibana-plugin-public.appbase.md) &gt; [capabilities](./kibana-plugin-public.appbase.capabilities.md)
+
+## AppBase.capabilities property
+
+Custom capabilities defined by the app.
+
+<b>Signature:</b>
+
+```typescript
+capabilities?: Partial<Capabilities>;
+```

docs/development/core/public/kibana-plugin-public.appbase.euiicontype.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; [AppBase](./kibana-plugin-public.appbase.md) &gt; [euiIconType](./kibana-plugin-public.appbase.euiicontype.md)
+
+## AppBase.euiIconType property
+
+A EUI iconType that will be used for the app's icon. This icon takes precendence over the `icon` property.
+
+<b>Signature:</b>
+
+```typescript
+euiIconType?: string;
+```

docs/development/core/public/kibana-plugin-public.appbase.icon.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; [AppBase](./kibana-plugin-public.appbase.md) &gt; [icon](./kibana-plugin-public.appbase.icon.md)
+
+## AppBase.icon property
+
+A URL to an image file used as an icon. Used as a fallback if `euiIconType` is not provided.
+
+<b>Signature:</b>
+
+```typescript
+icon?: string;
+```

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

@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md) &gt; [id](./kibana-plugin-public.appbase.id.md)
+
+## AppBase.id property
+
+<b>Signature:</b>
+
+```typescript
+id: string;
+```

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

@@ -0,0 +1,25 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md)
+
+## AppBase interface
+
+
+<b>Signature:</b>
+
+```typescript
+export interface AppBase 
+```
+
+## Properties
+
+|  Property | Type | Description |
+|  --- | --- | --- |
+|  [capabilities](./kibana-plugin-public.appbase.capabilities.md) | <code>Partial&lt;Capabilities&gt;</code> | Custom capabilities defined by the app. |
+|  [euiIconType](./kibana-plugin-public.appbase.euiicontype.md) | <code>string</code> | A EUI iconType that will be used for the app's icon. This icon takes precendence over the <code>icon</code> property. |
+|  [icon](./kibana-plugin-public.appbase.icon.md) | <code>string</code> | A URL to an image file used as an icon. Used as a fallback if <code>euiIconType</code> is not provided. |
+|  [id](./kibana-plugin-public.appbase.id.md) | <code>string</code> |  |
+|  [order](./kibana-plugin-public.appbase.order.md) | <code>number</code> | An ordinal used to sort nav links relative to one another for display. |
+|  [title](./kibana-plugin-public.appbase.title.md) | <code>string</code> | The title of the application. |
+|  [tooltip$](./kibana-plugin-public.appbase.tooltip$.md) | <code>Observable&lt;string&gt;</code> | An observable for a tooltip shown when hovering over app link. |
+

docs/development/core/public/kibana-plugin-public.appbase.order.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; [AppBase](./kibana-plugin-public.appbase.md) &gt; [order](./kibana-plugin-public.appbase.order.md)
+
+## AppBase.order property
+
+An ordinal used to sort nav links relative to one another for display.
+
+<b>Signature:</b>
+
+```typescript
+order?: number;
+```

docs/development/core/public/kibana-plugin-public.appbase.title.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; [AppBase](./kibana-plugin-public.appbase.md) &gt; [title](./kibana-plugin-public.appbase.title.md)
+
+## AppBase.title property
+
+The title of the application.
+
+<b>Signature:</b>
+
+```typescript
+title: string;
+```

docs/development/core/public/kibana-plugin-public.appbase.tooltip$.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; [AppBase](./kibana-plugin-public.appbase.md) &gt; [tooltip$](./kibana-plugin-public.appbase.tooltip$.md)
+
+## AppBase.tooltip$ property
+
+An observable for a tooltip shown when hovering over app link.
+
+<b>Signature:</b>
+
+```typescript
+tooltip$?: Observable<string>;
+```

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

@@ -15,5 +15,6 @@ export interface ApplicationSetup
 
 |  Method | Description |
 |  --- | --- |
-|  [registerApp(app)](./kibana-plugin-public.applicationsetup.registerapp.md) | Register an mountable application to the system. Apps will be mounted based on their <code>rootRoute</code>. |
+|  [register(app)](./kibana-plugin-public.applicationsetup.register.md) | Register an mountable application to the system. |
+|  [registerMountContext(contextName, provider)](./kibana-plugin-public.applicationsetup.registermountcontext.md) | Register a context provider for application mounting. Will only be available to applications that depend on the plugin that registered this context. |
 

docs/development/core/public/kibana-plugin-public.applicationsetup.registerapp.md → docs/development/core/public/kibana-plugin-public.applicationsetup.register.md

@@ -1,22 +1,22 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ApplicationSetup](./kibana-plugin-public.applicationsetup.md) &gt; [registerApp](./kibana-plugin-public.applicationsetup.registerapp.md)
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ApplicationSetup](./kibana-plugin-public.applicationsetup.md) &gt; [register](./kibana-plugin-public.applicationsetup.register.md)
 
-## ApplicationSetup.registerApp() method
+## ApplicationSetup.register() method
 
-Register an mountable application to the system. Apps will be mounted based on their `rootRoute`<!-- -->.
+Register an mountable application to the system.
 
 <b>Signature:</b>
 
 ```typescript
-registerApp(app: App): void;
+register(app: App): void;
 ```
 
 ## Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  app | <code>App</code> |  |
+|  app | <code>App</code> | an [App](./kibana-plugin-public.app.md) |
 
 <b>Returns:</b>
 

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

@@ -0,0 +1,25 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ApplicationSetup](./kibana-plugin-public.applicationsetup.md) &gt; [registerMountContext](./kibana-plugin-public.applicationsetup.registermountcontext.md)
+
+## ApplicationSetup.registerMountContext() method
+
+Register a context provider for application mounting. Will only be available to applications that depend on the plugin that registered this context.
+
+<b>Signature:</b>
+
+```typescript
+registerMountContext<T extends keyof AppMountContext>(contextName: T, provider: IContextProvider<AppMountContext, T>): void;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  contextName | <code>T</code> | The key of [AppMountContext](./kibana-plugin-public.appmountcontext.md) this provider's return value should be attached to. |
+|  provider | <code>IContextProvider&lt;AppMountContext, T&gt;</code> | A [IContextProvider](./kibana-plugin-public.icontextprovider.md) function |
+
+<b>Returns:</b>
+
+`void`
+

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

@@ -0,0 +1,27 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ApplicationStart](./kibana-plugin-public.applicationstart.md) &gt; [getUrlForApp](./kibana-plugin-public.applicationstart.geturlforapp.md)
+
+## ApplicationStart.getUrlForApp() method
+
+Returns a relative URL to a given app, including the global base path.
+
+<b>Signature:</b>
+
+```typescript
+getUrlForApp(appId: string, options?: {
+        path?: string;
+    }): string;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  appId | <code>string</code> |  |
+|  options | <code>{</code><br/><code>        path?: string;</code><br/><code>    }</code> |  |
+
+<b>Returns:</b>
+
+`string`
+

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

@@ -15,6 +15,13 @@ export interface ApplicationStart
 
 |  Property | Type | Description |
 |  --- | --- | --- |
-|  [availableApps](./kibana-plugin-public.applicationstart.availableapps.md) | <code>readonly App[]</code> | Apps available based on the current capabilities. Should be used to show navigation links and make routing decisions. |
 |  [capabilities](./kibana-plugin-public.applicationstart.capabilities.md) | <code>RecursiveReadonly&lt;Capabilities&gt;</code> | Gets the read-only capabilities. |
 
+## Methods
+
+|  Method | Description |
+|  --- | --- |
+|  [getUrlForApp(appId, options)](./kibana-plugin-public.applicationstart.geturlforapp.md) | Returns a relative URL to a given app, including the global base path. |
+|  [navigateToApp(appId, options)](./kibana-plugin-public.applicationstart.navigatetoapp.md) | Navigiate to a given app |
+|  [registerMountContext(contextName, provider)](./kibana-plugin-public.applicationstart.registermountcontext.md) | Register a context provider for application mounting. Will only be available to applications that depend on the plugin that registered this context. |
+

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

@@ -0,0 +1,28 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ApplicationStart](./kibana-plugin-public.applicationstart.md) &gt; [navigateToApp](./kibana-plugin-public.applicationstart.navigatetoapp.md)
+
+## ApplicationStart.navigateToApp() method
+
+Navigiate to a given app
+
+<b>Signature:</b>
+
+```typescript
+navigateToApp(appId: string, options?: {
+        path?: string;
+        state?: any;
+    }): void;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  appId | <code>string</code> |  |
+|  options | <code>{</code><br/><code>        path?: string;</code><br/><code>        state?: any;</code><br/><code>    }</code> |  |
+
+<b>Returns:</b>
+
+`void`
+

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

@@ -0,0 +1,25 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ApplicationStart](./kibana-plugin-public.applicationstart.md) &gt; [registerMountContext](./kibana-plugin-public.applicationstart.registermountcontext.md)
+
+## ApplicationStart.registerMountContext() method
+
+Register a context provider for application mounting. Will only be available to applications that depend on the plugin that registered this context.
+
+<b>Signature:</b>
+
+```typescript
+registerMountContext<T extends keyof AppMountContext>(contextName: T, provider: IContextProvider<AppMountContext, T>): void;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  contextName | <code>T</code> | The key of [AppMountContext](./kibana-plugin-public.appmountcontext.md) this provider's return value should be attached to. |
+|  provider | <code>IContextProvider&lt;AppMountContext, T&gt;</code> | A [IContextProvider](./kibana-plugin-public.icontextprovider.md) function |
+
+<b>Returns:</b>
+
+`void`
+

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

@@ -0,0 +1,22 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppMountContext](./kibana-plugin-public.appmountcontext.md) &gt; [core](./kibana-plugin-public.appmountcontext.core.md)
+
+## AppMountContext.core property
+
+Core service APIs available to mounted applications.
+
+<b>Signature:</b>
+
+```typescript
+core: {
+        application: Pick<ApplicationStart, 'capabilities' | 'navigateToApp'>;
+        chrome: ChromeStart;
+        docLinks: DocLinksStart;
+        http: HttpStart;
+        i18n: I18nStart;
+        notifications: NotificationsStart;
+        overlays: OverlayStart;
+        uiSettings: UiSettingsClientContract;
+    };
+```

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

@@ -0,0 +1,20 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppMountContext](./kibana-plugin-public.appmountcontext.md)
+
+## AppMountContext interface
+
+The context object received when applications are mounted to the DOM.
+
+<b>Signature:</b>
+
+```typescript
+export interface AppMountContext 
+```
+
+## Properties
+
+|  Property | Type | Description |
+|  --- | --- | --- |
+|  [core](./kibana-plugin-public.appmountcontext.core.md) | <code>{</code><br/><code>        application: Pick&lt;ApplicationStart, 'capabilities' &#124; 'navigateToApp'&gt;;</code><br/><code>        chrome: ChromeStart;</code><br/><code>        docLinks: DocLinksStart;</code><br/><code>        http: HttpStart;</code><br/><code>        i18n: I18nStart;</code><br/><code>        notifications: NotificationsStart;</code><br/><code>        overlays: OverlayStart;</code><br/><code>        uiSettings: UiSettingsClientContract;</code><br/><code>    }</code> | Core service APIs available to mounted applications. |
+