Make nil as target be a noop

lib/live_view_events/notify.ex

@@ -149,11 +149,13 @@ defmodule LiveViewEvents.Notify do
   @doc """
   `notify_to/2` accepts a target and a message name. The target can be any of:
 
+  - `nil` would make it be a noop.
   - `:self` to send to `self()`.
   - A PID.
   - A tuple of the form `{Module, "id"}` to send a message to a [`LiveView.Component`](`Phoenix.LiveView.Component`) in the same process.
   - A tuple of the form `{pid, Module, "id"}` to send a message to a [`LiveView.Component`](`Phoenix.LiveView.Component`) in a different process.
   """
+  def notify_to(nil, _message), do: nil
   def notify_to(:self, message), do: notify_to(self(), message)
   def notify_to(pid, message) when is_pid(pid), do: send(pid, message)
 
@@ -167,6 +169,7 @@ defmodule LiveViewEvents.Notify do
   In this case, the message sent would be a tuple with the `message` as first element and `params` as the
   second one.
   """
+  def notify_to(nil, _message, _params), do: nil
   def notify_to(:self, message, params), do: notify_to(self(), message, params)
   def notify_to(pid, message, params) when is_pid(pid), do: send(pid, {message, params})
 

test/live_view_events/notify_test.exs

@@ -1,2 +1,13 @@
 defmodule LiveViewEvents.NotifyTest do
+  use ExUnit.Case
+
+  alias LiveViewEvents.Notify
+
+  test "notify_to/2 with `nil` target does not break" do
+    Notify.notify_to(nil, "event")
+  end
+
+  test "notify_to/3 with `nil` target does not break" do
+    Notify.notify_to(nil, "event", %{some: :params})
+  end
 end