fix: conditionally stop on buffer close

Author: mhanberg

lib/gen_lsp/buffer.ex

@@ -127,7 +127,10 @@ defmodule GenLSP.Buffer do
         fn buffer ->
           case comm.read(comm_data, buffer) do
             :eof ->
-              System.stop()
+              if Application.get_env(:gen_lsp, :exit_on_end, true) do
+                System.stop()
+              end
+
               {:halt, :ok}
 
             {:error, reason} ->

test/test_helper.exs

@@ -1,3 +1,3 @@
-Application.put_env(:gen_lsp, :wire_protocol, GenLSP.Test.Wire)
+Application.put_env(:gen_lsp, :exit_on_end, false)
 
 ExUnit.start(capture_log: true)