Add an add existing room to space CTA to Space View

src/utils/space.ts

@@ -21,6 +21,7 @@ import {EventType} from "matrix-js-sdk/src/@types/event";
 import {calculateRoomVia} from "../utils/permalinks/Permalinks";
 import Modal from "../Modal";
 import SpaceSettingsDialog from "../components/views/dialogs/SpaceSettingsDialog";
+import AddExistingToSpaceDialog from "../components/views/dialogs/AddExistingToSpaceDialog";
 import CreateRoomDialog from "../components/views/dialogs/CreateRoomDialog";
 import createRoom, {IOpts} from "../createRoom";
 
@@ -49,6 +50,20 @@ export const showSpaceSettings = (cli: MatrixClient, space: Room) => {
     }, /*className=*/null, /*isPriority=*/false, /*isStatic=*/true);
 };
 
+export const showAddExistingRooms = async (cli: MatrixClient, space: Room) => {
+    return Modal.createTrackedDialog(
+        "Space Landing",
+        "Add Existing",
+        AddExistingToSpaceDialog,
+        {
+            matrixClient: cli,
+            onCreateRoomClick: showCreateNewRoom,
+            space,
+        },
+        "mx_AddExistingToSpaceDialog_wrapper",
+    ).finished;
+};
+
 export const showCreateNewRoom = async (cli: MatrixClient, space: Room) => {
     const modal = Modal.createTrackedDialog<[boolean, IOpts]>(
         "Space Landing",