Introduce showNotification API

Summary: Introduced `showNotifcation` to the Sandy API.

Reviewed By: jknoxville

Differential Revision: D27012001

fbshipit-source-id: d3f237910a478400b0f925f0362af485c96072bb

desktop/app/src/utils/__tests__/exportData.node.tsx

@@ -18,11 +18,11 @@ import {
   importDataToStore,
 } from '../exportData';
 import {FlipperPlugin, FlipperDevicePlugin} from '../../plugin';
-import {Notification} from '../../plugin';
 import {default as Client, ClientExport} from '../../Client';
 import {selectedPlugins, State as PluginsState} from '../../reducers/plugins';
 import {createMockFlipperWithPlugin} from '../../test-utils/createMockFlipperWithPlugin';
 import {
+  Notification,
   TestUtils,
   _SandyPluginDefinition,
   createState,

desktop/app/src/utils/flipperLibImplementation.tsx

@@ -15,6 +15,8 @@ import GK from '../fb-stubs/GK';
 import type BaseDevice from '../devices/BaseDevice';
 import {clipboard} from 'electron';
 import constants from '../fb-stubs/constants';
+import {addNotification} from '../reducers/notifications';
+import {deconstructPluginKey} from './clientUtils';
 
 export function initializeFlipperLibImplementation(
   store: Store,
@@ -71,5 +73,15 @@ export function initializeFlipperLibImplementation(
     writeTextToClipboard(text: string) {
       clipboard.writeText(text);
     },
+    showNotification(pluginId, notification) {
+      const parts = deconstructPluginKey(pluginId);
+      store.dispatch(
+        addNotification({
+          pluginId: parts.pluginName,
+          client: parts.client,
+          notification,
+        }),
+      );
+    },
   });
 }