Merge pull request #35 from mrjones2014/mrj/34/check-tmux-session

Check if there is a tmux session before trying to use it

lua/smart-splits/api.lua

@@ -275,6 +275,11 @@ end
 ---@param direction string direction to move
 ---@return boolean whether we moved with tmux or not
 local function move_cursor_tmux(direction, at_edge_and_moving_to_edge)
+  local tmux = require('smart-splits.tmux')
+  if not tmux.current_session_is_tmux() then
+    return
+  end
+
   local dir_key = dir_keys_tmux[direction]
   local tmux_moved = move_tmux_inner(dir_key)
   if tmux_moved or not at_edge_and_moving_to_edge then

lua/smart-splits/tmux.lua

@@ -19,6 +19,10 @@ local function tmux_exec(cmd)
   return vim.fn.system(cmd_str)
 end
 
+function M.current_session_is_tmux()
+  return get_socket_path() ~= nil
+end
+
 ---Try to get current tmux pane ID
 ---returns nil if failed or not in a tmux session.
 ---@return string|nil