Convert Rooms.js to ES6

src/Rooms.js

@@ -14,22 +14,22 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-module.exports = {
+
 /**
  * Given a room object, return the alias we should use for it,
  * if any. This could be the canonical alias if one exists, otherwise
  * an alias selected arbitrarily but deterministically from the list
  * of aliases. Otherwise return null;
  */
-    getDisplayAliasForRoom: function(room) {
+export function getDisplayAliasForRoom(room) {
     return room.getCanonicalAlias() || room.getAliases()[0];
-    },
+}
 
 /**
  * If the room contains only two members including the logged-in user,
  * return the other one. Otherwise, return null.
  */
-    getOnlyOtherMember(room, me) {
+export function getOnlyOtherMember(room, me) {
     const joinedMembers = room.getJoinedMembers();
 
     if (joinedMembers.length === 2) {
@@ -39,16 +39,16 @@ module.exports = {
     }
 
     return null;
-    },
+}
 
-    isConfCallRoom: function(room, me, conferenceHandler) {
+export function isConfCallRoom(room, me, conferenceHandler) {
     if (!conferenceHandler) return false;
 
     if (me.membership != "join") {
         return false;
     }
 
-        const otherMember = this.getOnlyOtherMember(room, me);
+    const otherMember = getOnlyOtherMember(room, me);
     if (otherMember === null) {
         return false;
     }
@@ -56,9 +56,9 @@ module.exports = {
     if (conferenceHandler.isConferenceUser(otherMember.userId)) {
         return true;
     }
-    },
+}
 
-    looksLikeDirectMessageRoom: function(room, me) {
+export function looksLikeDirectMessageRoom(room, me) {
     if (me.membership == "join" || me.membership === "ban" ||
         (me.membership === "leave" && me.events.member.getSender() !== me.events.member.getStateKey()))
     {
@@ -74,6 +74,4 @@ module.exports = {
         }
     }
     return false;
-    },
 }
-