fix: respect client capabilities (#469)

fix: use unified logger in more places

lib/next_ls.ex

@@ -558,16 +558,16 @@ defmodule NextLS do
                 {:reply, nil, lsp}
 
               _ ->
-                GenLSP.warning(lsp, "[Next LS] Failed to format the file: #{uri}")
+                NextLS.Logger.warning(lsp.assigns.logger, "Failed to format the file: #{uri}")
 
                 {:reply, nil, lsp}
             end
           end
         end)
       else
-        GenLSP.warning(
-          lsp,
-          "[Next LS] The file #{uri} was not found in the server's process state. Something must have gone wrong when opening, changing, or saving the file."
+        NextLS.Logger.warning(
+          lsp.assigns.logger,
+          "The file #{uri} was not found in the server's process state. Something must have gone wrong when opening, changing, or saving the file."
         )
 
         [{:reply, nil, lsp}]
@@ -717,9 +717,9 @@ defmodule NextLS do
     {:reply, results, lsp}
   rescue
     e ->
-      GenLSP.warning(
-        lsp,
-        "[Next LS] Failed to run completion request: #{Exception.format(:error, e, __STACKTRACE__)}"
+      NextLS.Logger.warning(
+        lsp.assigns.logger,
+        "Failed to run completion request: #{Exception.format(:error, e, __STACKTRACE__)}"
       )
 
       {:reply, [], lsp}
@@ -812,7 +812,7 @@ defmodule NextLS do
   end
 
   def handle_request(%{method: method}, lsp) do
-    GenLSP.warning(lsp, "[Next LS] Method Not Found: #{method}")
+    NextLS.Logger.warning(lsp.assigns.logger, "Method Not Found: #{method}")
 
     {:reply,
      %ErrorResponse{
@@ -823,7 +823,8 @@ defmodule NextLS do
 
   @impl true
   def handle_notification(%Initialized{}, lsp) do
-    GenLSP.log(lsp, "[Next LS] NextLS v#{version()} has initialized!")
+    NextLS.Logger.log(lsp.assigns.logger, "NextLS v#{version()} has initialized!")
+    NextLS.Logger.log(lsp.assigns.logger, "Log file located at #{Path.join(File.cwd!(), ".elixir-tools/next-ls.log")}")
 
     with opts when is_list(opts) <- lsp.assigns.auto_update do
       {:ok, _} =
@@ -875,7 +876,7 @@ defmodule NextLS do
     end
 
     NextLS.Runtime.BundledElixir.install(lsp.assigns.bundle_base, lsp.assigns.logger)
-    GenLSP.log(lsp, "[Next LS] Booting runtimes...")
+    NextLS.Logger.log(lsp.assigns.logger, "Booting runtimes...")
 
     parent = self()
 
@@ -917,7 +918,7 @@ defmodule NextLS do
              on_initialized: fn status ->
                if status == :ready do
                  Progress.stop(lsp, token, "NextLS runtime for folder #{name} has initialized!")
-                 GenLSP.log(lsp, "[Next LS] Runtime for folder #{name} is ready...")
+                 NextLS.Logger.log(lsp.assigns.logger, "Runtime for folder #{name} is ready...")
 
                  msg = {:runtime_ready, name, self()}
 
@@ -931,7 +932,7 @@ defmodule NextLS do
 
                  send(parent, {:runtime_failed, name, status})
 
-                 GenLSP.error(lsp, "[Next LS] Runtime for folder #{name} failed to initialize")
+                 NextLS.Logger.error(lsp.assigns.logger, "Runtime for folder #{name} failed to initialize")
                end
              end,
              logger: lsp.assigns.logger
@@ -1015,7 +1016,7 @@ defmodule NextLS do
       names = Enum.map(entries, fn {_, %{name: name}} -> name end)
 
       for %{name: name, uri: uri} <- added, name not in names do
-        GenLSP.log(lsp, "[Next LS] Adding workspace folder #{name}")
+        NextLS.Logger.log(lsp.assigns.logger, "Adding workspace folder #{name}")
         token = Progress.token()
         Progress.start(lsp, token, "Initializing NextLS runtime for folder #{name}...")
         parent = self()
@@ -1039,7 +1040,7 @@ defmodule NextLS do
               on_initialized: fn status ->
                 if status == :ready do
                   Progress.stop(lsp, token, "NextLS runtime for folder #{name} has initialized!")
-                  GenLSP.log(lsp, "[Next LS] Runtime for folder #{name} is ready...")
+                  NextLS.Logger.log(lsp.assigns.logger, "Runtime for folder #{name} is ready...")
 
                   msg = {:runtime_ready, name, self()}
 
@@ -1053,7 +1054,7 @@ defmodule NextLS do
 
                   send(parent, {:runtime_failed, name, status})
 
-                  GenLSP.error(lsp, "[Next LS] Runtime for folder #{name} failed to initialize")
+                  NextLS.Logger.error(lsp.assigns.logger, "Runtime for folder #{name} failed to initialize")
                 end
               end,
               logger: lsp.assigns.logger
@@ -1064,7 +1065,7 @@ defmodule NextLS do
       names = Enum.map(removed, & &1.name)
 
       for {pid, %{name: name}} <- entries, name in names do
-        GenLSP.log(lsp, "[Next LS] Removing workspace folder #{name}")
+        NextLS.Logger.log(lsp.assigns.logger, "Removing workspace folder #{name}")
         NextLS.Runtime.stop(lsp.assigns.dynamic_supervisor, pid)
       end
     end)
@@ -1224,7 +1225,7 @@ defmodule NextLS do
 
     :ok = DynamicSupervisor.terminate_child(lsp.assigns.dynamic_supervisor, pid)
 
-    if status == {:error, :deps} do
+    if status == {:error, :deps} && lsp.assigns.client_capabilities.window.show_message do
       resp =
         GenLSP.request(
           lsp,
@@ -1281,6 +1282,10 @@ defmodule NextLS do
         _ ->
           NextLS.Logger.info(lsp.assigns.logger, "Not running `mix deps.get`")
       end
+    else
+      unless lsp.assigns.client_capabilities.window.show_message do
+        NextLS.Logger.info(lsp.assigns.logger, "Client does not support window/showMessageRequest")
+      end
     end
 
     {:noreply, lsp}
@@ -1298,8 +1303,8 @@ defmodule NextLS do
   end
 
   def handle_info(message, lsp) do
-    GenLSP.log(lsp, "[Next LS] Unhandled message: #{inspect(message)}")
-    GenLSP.log(lsp, "[Next LS] process assigns=#{inspect(lsp.assigns)}")
+    NextLS.Logger.log(lsp.assigns.logger, "Unhandled message: #{inspect(message)}")
+    NextLS.Logger.log(lsp.assigns.logger, "process assigns=#{inspect(lsp.assigns)}")
     {:noreply, lsp}
   end
 

lib/next_ls/progress.ex

@@ -1,11 +1,9 @@
 defmodule NextLS.Progress do
   @moduledoc false
-  @env Mix.env()
+
   def start(lsp, token, msg) do
     Task.start(fn ->
-      # FIXME: gen_lsp should allow stubbing requests so we don't have to
-      # set this in every test. For now, don't send it in the test env
-      if @env != :test do
+      if lsp.assigns.client_capabilities.window.work_done_progress do
         GenLSP.request(lsp, %GenLSP.Requests.WindowWorkDoneProgressCreate{
           id: System.unique_integer([:positive]),
           params: %GenLSP.Structures.WorkDoneProgressCreateParams{

lib/next_ls/runtime.ex

@@ -130,9 +130,17 @@ defmodule NextLS.Runtime do
       |> String.to_charlist()
 
     bindir = System.get_env("BINDIR")
+    NextLS.Logger.log(logger, "BINDIR=#{bindir}")
     path = System.get_env("PATH")
-    new_path = String.replace(path, bindir <> ":", "")
-    new_path = elixir_bin_path <> ":" <> new_path
+    NextLS.Logger.log(logger, "before PATH=#{path}")
+    path_minus_bindir = String.replace(path, bindir <> ":", "")
+    NextLS.Logger.log(logger, "after1 PATH=#{path_minus_bindir}")
+
+    path_minus_bindir2 = path_minus_bindir |> String.split(":") |> List.delete(bindir) |> Enum.join(":")
+    NextLS.Logger.log(logger, "after2 PATH=#{path_minus_bindir2}")
+
+    new_path = elixir_bin_path <> ":" <> path_minus_bindir2
+    NextLS.Logger.log(logger, "after3 PATH=#{new_path}")
 
     with dir when is_list(dir) <- :code.priv_dir(:next_ls) do
       exe =

test/support/utils.ex

@@ -90,6 +90,10 @@ defmodule NextLS.Support.Utils do
                  capabilities: %{
                    workspace: %{
                      workspaceFolders: true
+                   },
+                   window: %{
+                     work_done_progress: false,
+                     showMessage: %{}
                    }
                  },
                  workspaceFolders: