Chatroom 2 (#10)

* Remove unused method. Don't panic if unknown room.

* Need a Connected() check for rooms publishing - don't do the work of rendering for a dead connection

* Make vars private.

* Linter issues

* Remove Connected()

* Mutation observer. Publish 4x / second.

---------

Co-authored-by: João Gonçalves <joao.goncalves01@gmail.com>

internal/examples/chatroom/rooms_test.go

@@ -56,7 +56,6 @@ func (ds *DummySyncable) Sync() {
 	ds.room.GetData()
 	ds.timesCalled++
 }
-
 func TestRoomJoinLeaveChannels(t *testing.T) {
 	rooms := NewRooms[RoomData, TestUserInfo](string("a"))
 	rm, _ := rooms.Get("a")
@@ -75,7 +74,7 @@ func TestRoomJoinLeaveChannels(t *testing.T) {
 	time.Sleep(1 * time.Millisecond)
 
 	assert.Equal(t, rm.dirty, false)
-	assert.Equal(t, rm.MemberCount(), 1)
+	assert.Equal(t, len(rm.members), 1)
 
 	// Room Data
 	rm.UpdateData(func(data *RoomData) {
@@ -96,5 +95,5 @@ func TestRoomJoinLeaveChannels(t *testing.T) {
 	rm.Leave(&u1)
 	time.Sleep(1 * time.Millisecond)
 
-	assert.Equal(t, rm.MemberCount(), 0)
+	assert.Equal(t, len(rm.members), 0)
 }