Add live-reload to new_example

templates/new_example/config/config.exs.eex

@@ -16,6 +16,10 @@ config :<%= @app %>, :viewport, %{
   ]
 }
 
+# Configure reload callback of ExSync so that we are notified when a file is changed
+config :exsync,
+  reload_callback: {GenServer, :call, [<%= @mod %>.Component.Nav, :reload_current_scene]}
+
 # It is also possible to import configuration files, relative to this
 # directory. For example, you can emulate configuration per environment
 # by uncommenting the line below and defining dev.exs, test.exs and such.

templates/new_example/lib/components/nav.ex.eex

@@ -58,4 +58,10 @@ defmodule <%= @mod %>.Component.Nav do
     ViewPort.set_root(vp, scene)
     {:stop, state}
   end
+
+  def handle_call(:reload_current_scene, _, state) do
+    pid = Process.whereis(:scenic)
+    Process.exit(pid, :kill)
+    {:reply, nil, state}
+  end
 end

templates/new_example/mix.exs.eex

@@ -25,6 +25,7 @@ defmodule <%= @mod %>.MixProject do
     [
       {:scenic, "~> 0.9"},
       {:scenic_driver_glfw, "~> 0.9"},
+      {:exsync, git: "https://github.com/falood/exsync.git", ref: "922622c"},
 
       # These deps are optional and are included as they are often used.
       # If your app doesn't need them, they are safe to remove.