sloane.sh/lib/sloane_sh/watch.ex

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Elixir
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2024-02-16 17:27:46 -05:00
defmodule SloaneSH.Watch do
use GenServer
require Logger
def start_link(init_arg \\ [], opts \\ []) do
GenServer.start_link(__MODULE__, init_arg, opts)
end
@impl GenServer
def init([]) do
dirs = [Path.join(:code.priv_dir(:sloane_sh), "site")]
Logger.info("Watching #{inspect(dirs)} for changes")
{:ok, pid} = FileSystem.start_link(dirs: dirs)
FileSystem.subscribe(pid)
{:ok, pid}
end
@impl GenServer
def handle_info({:file_event, pid, {path, events}}, pid) do
Logger.info("File event: #{inspect(path)} #{inspect(events)}")
{:noreply, pid}
end
@impl GenServer
def handle_info({:file_event, pid, :stop}, pid) do
Logger.warning("File watcher stopped")
{:stop, :watcher_stopped, pid}
end
end