fix(open-file): focus file if already opened

lua/nvim-tree/actions/node/open-file.lua

@@ -247,13 +247,15 @@ function M.fn(mode, filename)
   local win_ids = api.nvim_tabpage_list_wins(tabpage)
   local buf_loaded = is_already_loaded(filename)
 
-  local found = utils.is_in_displayed_buffer(filename)
-  if found and mode == "preview" then
+  local found_win = utils.get_win_buf_from_path(filename)
+  if found_win and mode == "preview" then
     return
   end
 
-  if not found then
+  if not found_win then
     open_in_new_window(filename, mode, win_ids)
+  else
+    api.nvim_set_current_win(found_win)
   end
 
   if M.resize_window then

lua/nvim-tree/marks/navigation.lua

@@ -54,7 +54,7 @@ local function get(where, node)
 end
 
 local function open_or_focus(node)
-  if node and not node.nodes and not utils.is_in_displayed_buffer(node.absolute_path) then
+  if node and not node.nodes and not utils.get_win_buf_from_path(node.absolute_path) then
     open_file.fn("edit", node.absolute_path)
   elseif node then
     utils.focus_file(node.absolute_path)

lua/nvim-tree/utils.lua

@@ -335,14 +335,14 @@ function M.focus_file(path)
   require("nvim-tree.view").set_cursor { i + 1, 1 }
 end
 
-function M.is_in_displayed_buffer(path)
+function M.get_win_buf_from_path(path)
   for _, w in pairs(vim.api.nvim_tabpage_list_wins(0)) do
     local b = vim.api.nvim_win_get_buf(w)
     if vim.api.nvim_buf_get_name(b) == path then
-      return true
+      return w, b
     end
   end
-  return false
+  return nil, nil
 end
 
 return M