fix: prevent nonsense error logs when vim exits by cancelling event handlers and logging

Author: cseickel

lua/neo-tree/events/init.lua

@@ -32,6 +32,7 @@ local M = {
   VIM_WIN_ENTER = "vim_win_enter",
   VIM_WIN_CLOSED = "vim_win_closed",
   VIM_COLORSCHEME = "vim_colorscheme",
+  VIM_LEAVE = "vim_leave",
 }
 
 M.define_autocmd_event = function(event_name, autocmds, debounce_frequency, seed_fn, nested)

lua/neo-tree/log.lua

@@ -127,6 +127,10 @@ log.new = function(config, standalone)
     if level < levels[config.level] then
       return
     end
+    -- Ignnore this if vim is exiting
+    if vim.v.dying > 0 or vim.v.exiting ~= nil then
+      return
+    end
     local nameupper = level_config.name:upper()
 
     local msg = message_maker(...)

lua/neo-tree/setup/init.lua

@@ -74,11 +74,19 @@ local define_events = function()
   events.define_autocmd_event(events.VIM_WIN_ENTER, { "WinEnter" }, 0)
   events.define_autocmd_event(events.VIM_DIR_CHANGED, { "DirChanged" }, 200, nil, true)
   events.define_autocmd_event(events.VIM_TAB_CLOSED, { "TabClosed" })
+  events.define_autocmd_event(events.VIM_LEAVE, { "VimLeavePre" })
   events.define_autocmd_event(events.VIM_WIN_CLOSED, { "WinClosed" })
   events.define_autocmd_event(events.VIM_COLORSCHEME, { "ColorScheme" }, 0)
   events.define_autocmd_event(events.GIT_EVENT, { "User FugitiveChanged" }, 100 )
   events.define_event(events.GIT_STATUS_CHANGED, { debounce_frequency = 0 })
   events_setup = true
+
+  events.subscribe({
+    event = events.VIM_LEAVE,
+    handler = function()
+      events.clear_all_events()
+    end
+  })
 end
 
 local last_buffer_enter_filetype = nil