diff --git a/app/views/RoomView/services/getMessageInfo.js b/app/views/RoomView/services/getMessageInfo.ts
similarity index 93%
rename from app/views/RoomView/services/getMessageInfo.js
rename to app/views/RoomView/services/getMessageInfo.ts
index e922f4e10..5c9f203cb 100644
--- a/app/views/RoomView/services/getMessageInfo.js
+++ b/app/views/RoomView/services/getMessageInfo.ts
@@ -2,7 +2,7 @@ import { getMessageById } from '../../../lib/database/services/Message';
 import { getThreadMessageById } from '../../../lib/database/services/ThreadMessage';
 import getSingleMessage from '../../../lib/methods/getSingleMessage';
 
-const getMessageInfo = async messageId => {
+const getMessageInfo = async (messageId: string) => {
 	let result;
 	result = await getMessageById(messageId);
 	if (result) {
diff --git a/app/views/RoomView/services/getMessages.js b/app/views/RoomView/services/getMessages.js
deleted file mode 100644
index 516f68845..000000000
--- a/app/views/RoomView/services/getMessages.js
+++ /dev/null
@@ -1,10 +0,0 @@
-import RocketChat from '../../../lib/rocketchat';
-
-const getMessages = room => {
-	if (room.lastOpen) {
-		return RocketChat.loadMissedMessages(room);
-	} else {
-		return RocketChat.loadMessagesForRoom(room);
-	}
-};
-export default getMessages;
diff --git a/app/views/RoomView/services/getMessages.ts b/app/views/RoomView/services/getMessages.ts
new file mode 100644
index 000000000..837b26bc4
--- /dev/null
+++ b/app/views/RoomView/services/getMessages.ts
@@ -0,0 +1,10 @@
+import RocketChat from '../../../lib/rocketchat';
+
+// TODO - after merge navigation ts, change the room and the promisse return
+const getMessages = (room: any): Promise<any> => {
+	if (room.lastOpen) {
+		return RocketChat.loadMissedMessages(room);
+	}
+	return RocketChat.loadMessagesForRoom(room);
+};
+export default getMessages;
diff --git a/app/views/RoomView/services/getMoreMessages.js b/app/views/RoomView/services/getMoreMessages.ts
similarity index 85%
rename from app/views/RoomView/services/getMoreMessages.js
rename to app/views/RoomView/services/getMoreMessages.ts
index eaa1d3d90..c8e56da77 100644
--- a/app/views/RoomView/services/getMoreMessages.js
+++ b/app/views/RoomView/services/getMoreMessages.ts
@@ -5,7 +5,8 @@ import {
 } from '../../../constants/messageTypeLoad';
 import RocketChat from '../../../lib/rocketchat';
 
-const getMoreMessages = ({ rid, t, tmid, loaderItem }) => {
+// TODO - after merge navigation ts
+const getMoreMessages = ({ rid, t, tmid, loaderItem }: any) => {
 	if ([MESSAGE_TYPE_LOAD_MORE, MESSAGE_TYPE_LOAD_PREVIOUS_CHUNK].includes(loaderItem.t)) {
 		return RocketChat.loadMessagesForRoom({
 			rid,
diff --git a/app/views/RoomView/services/getThreadMessages.js b/app/views/RoomView/services/getThreadMessages.ts
similarity index 64%
rename from app/views/RoomView/services/getThreadMessages.js
rename to app/views/RoomView/services/getThreadMessages.ts
index 0f9529cfc..2e63f689d 100644
--- a/app/views/RoomView/services/getThreadMessages.js
+++ b/app/views/RoomView/services/getThreadMessages.ts
@@ -1,6 +1,6 @@
 import RocketChat from '../../../lib/rocketchat';
 
 // unlike getMessages, sync isn't required for threads, because loadMissedMessages does it already
-const getThreadMessages = (tmid, rid) => RocketChat.loadThreadMessages({ tmid, rid });
+const getThreadMessages = (tmid: string, rid: string) => RocketChat.loadThreadMessages({ tmid, rid });
 
 export default getThreadMessages;
diff --git a/app/views/RoomView/services/index.js b/app/views/RoomView/services/index.ts
similarity index 100%
rename from app/views/RoomView/services/index.js
rename to app/views/RoomView/services/index.ts
diff --git a/app/views/RoomView/services/readMessages.js b/app/views/RoomView/services/readMessages.js
deleted file mode 100644
index 060d9aa7e..000000000
--- a/app/views/RoomView/services/readMessages.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import RocketChat from '../../../lib/rocketchat';
-
-const readMessages = (rid, newLastOpen) => RocketChat.readMessages(rid, newLastOpen, true);
-
-export default readMessages;
diff --git a/app/views/RoomView/services/readMessages.ts b/app/views/RoomView/services/readMessages.ts
new file mode 100644
index 000000000..b327d6d44
--- /dev/null
+++ b/app/views/RoomView/services/readMessages.ts
@@ -0,0 +1,5 @@
+import RocketChat from '../../../lib/rocketchat';
+
+const readMessages = (rid: string, newLastOpen: string): Promise<void> => RocketChat.readMessages(rid, newLastOpen, true);
+
+export default readMessages;