Revert "feat(#2826): remove globals.BUFNR_BY_TABID"

This reverts commit 2651f9b.

Author: alex-courtis

lua/nvim-tree/explorer/view.lua

@@ -87,6 +87,7 @@ function View:log_event(data, bufnr)
   vim.api.nvim_get_current_tabpage() = %s\
   vim.api.nvim_get_current_win() = %s\
   self.bufnr_by_tabid = %s\
+  globals.BUFNR_BY_TABID = %s\
   globals.WINID_BY_TABID = %s\
   vim.fn.win_findbuf(bufnr) = %s\
   data = %s\
@@ -96,6 +97,7 @@ function View:log_event(data, bufnr)
     vim.api.nvim_get_current_tabpage(),
     vim.api.nvim_get_current_win(),
     vim.inspect(self.bufnr_by_tabid, { newline = "" }),
+    vim.inspect(globals.BUFNR_BY_TABID, { newline = "" }),
     vim.inspect(globals.WINID_BY_TABID, { newline = "" }),
     vim.inspect(vim.fn.win_findbuf(bufnr), { newline = "" }),
     vim.inspect(data, { newline = "" }),
@@ -177,7 +179,7 @@ end
 ---@param bufnr integer
 ---@return boolean
 function View:matches_bufnr(bufnr)
-  for _, b in pairs(self.bufnr_by_tabid) do
+  for _, b in pairs(globals.BUFNR_BY_TABID) do
     if b == bufnr then
       return true
     end
@@ -206,6 +208,8 @@ function View:create_buffer(bufnr)
 
   self.bufnr_by_tabid[tabid] = bufnr
 
+  globals.BUFNR_BY_TABID[tabid] = bufnr
+
   vim.api.nvim_buf_set_name(bufnr, "NvimTree_" .. tabid)
 
   for _, option in ipairs(BUFFER_OPTIONS) do
@@ -540,14 +544,14 @@ end
 function View:abandon_current_window()
   local tab = vim.api.nvim_get_current_tabpage()
 
-  self.bufnr_by_tabid[tab] = nil
+  globals.BUFNR_BY_TABID[tab] = nil
 
   globals.WINID_BY_TABID[tab] = nil
 end
 
 function View:abandon_all_windows()
   for tab, _ in pairs(vim.api.nvim_list_tabpages()) do
-    self.bufnr_by_tabid[tab] = nil
+    globals.BUFNR_BY_TABID[tab] = nil
     globals.WINID_BY_TABID[tab] = nil
   end
 end
@@ -624,7 +628,7 @@ end
 ---@param tabid number|nil (optional) the number of the chosen tabpage. Defaults to current tabpage.
 ---@return integer? winid
 function View:winid(tabid)
-  local bufnr = self.bufnr_by_tabid[tabid]
+  local bufnr = globals.BUFNR_BY_TABID[tabid]
 
   if bufnr then
     for _, winid in pairs(vim.api.nvim_tabpage_list_wins(tabid or 0)) do
@@ -649,7 +653,7 @@ end
 function View:get_bufnr()
   local tab = vim.api.nvim_get_current_tabpage()
 
-  return self.bufnr_by_tabid[tab]
+  return globals.BUFNR_BY_TABID[tab]
 end
 
 function View:prevent_buffer_override()

lua/nvim-tree/globals.lua

@@ -3,6 +3,7 @@
 local M = {
   -- from View
   WINID_BY_TABID = {},
+  BUFNR_BY_TABID = {},
   CURSORS = {},
 }