Message is now a memorised component (call too as "pure component")
is now re render only if his "id" or "message" change. (which should be the case incase of a delete message (since id is "deleted"), content modification or a new message)
Otherwise old "messages" aren't re render again :)
Message is now a memorised component (call too as "pure component")
Otherwise old "messages" aren't re render again :)