Use Uri.fsPath instead of Uri.path to use with Node.js filesystem APIs (#1929)

Author: mlasson

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+- Fix Windows path handling regression introduced in 1.32.1 by using
+  `Uri.fsPath` instead of `Uri.path` in workspace root detection, preventing
+  LSP start failures (`ENOENT -4058`). (#1929)
+
 ## 1.32.1
 
 - Fix DPM error when invoking `ocamlc --version` without a working directory by

src/sandbox.ml

@@ -62,7 +62,7 @@ let workspace_root () =
   match Workspace.workspaceFolders () with
   | [] -> None
   | [ workspace_folder ] ->
-    Some (workspace_folder |> WorkspaceFolder.uri |> Uri.path |> Path.of_string)
+    Some (workspace_folder |> WorkspaceFolder.uri |> Uri.fsPath |> Path.of_string)
   | _ ->
     (* We don't support multiple workspace roots at the moment *)
     None