fix nil

lua/csvtools.lua

@@ -32,7 +32,7 @@ function M.NewWindow()
  Status.mainwindowbuf = vim.api.nvim_get_current_buf()
  --local file = vim.api.nvim_buf_get_name(0)
  --local f = io.open(file, "r")
- local messages = unpack(vim.api.nvim_buf_get_lines(M.mainwindowbuf, 0, 1, true))
+ local messages = unpack(vim.api.nvim_buf_get_lines(Status.mainwindowbuf, 0, 1, true))
  if messages == nil then
  return
  end
@@ -114,20 +114,20 @@ function M.Highlight()
  M.mainwindowbuf = vim.api.nvim_get_current_buf()
  local line, _ = unpack(vim.api.nvim_win_get_cursor(0))
  --print(line)
- local length = vim.api.nvim_buf_line_count(M.mainwindowbuf)
+ local length = vim.api.nvim_buf_line_count(Status.mainwindowbuf)
  if M.clearafter then
- vim.api.nvim_buf_clear_highlight(M.mainwindowbuf, -1, 0, length)
+ vim.api.nvim_buf_clear_highlight(Status.mainwindowbuf, -1, 0, length)
  end
  local start, final = getrange(line, length)
  local start2, final2 = getrangeoverflow(line, length)
  --print(start)
  --print(final)
- highlight.highlight(M.mainwindowbuf, line)
+ highlight.highlight(Status.mainwindowbuf, line)
  for i = start, line - 1, 1 do
- highlight.highlight(M.mainwindowbuf, i)
+ highlight.highlight(Status.mainwindowbuf, i)
  end
  for i = line + 1, final, 1 do
- highlight.highlight(M.mainwindowbuf, i)
+ highlight.highlight(Status.mainwindowbuf, i)
  end
  if M.showoverflow then
  table.insert(Status.overflowtext, overflow.OverFlow(line, Status.header, 1))
@@ -162,15 +162,15 @@ function M.add_mappings()
  --print(M.mainwindowbuf)
  local opts = { nowait = true, noremap = true, silent = true }
  --vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "<leader>td", ":lua require'csvtools'.CloseWindow<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "<leader>tf", ":lua require'csvtools'.NewWindow()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.buf, "n", "<leader>td", ":lua require'csvtools'.CloseWindow()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "<leader>td", ":lua require'csvtools'.CloseWindow()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "<leader>tr", ":lua require'csvtools'.CloseOverFlow()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "<leader>tg", ":lua require'csvtools'.Ifclear()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "<up>", ":-1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "k", ":-1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "<down>", ":+1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
- vim.api.nvim_buf_set_keymap(M.mainwindowbuf, "n", "j", ":+1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "<leader>tf", ":lua require'csvtools'.NewWindow()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.buf, "n", "<leader>td", ":lua require'csvtools'.CloseWindow()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "<leader>td", ":lua require'csvtools'.CloseWindow()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "<leader>tr", ":lua require'csvtools'.CloseOverFlow()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "<leader>tg", ":lua require'csvtools'.Ifclear()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "<up>", ":-1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "k", ":-1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "<down>", ":+1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
+ vim.api.nvim_buf_set_keymap(Status.mainwindowbuf, "n", "j", ":+1<cr>:lua require'csvtools'.Highlight()<cr>", opts)
 end
 function M.setup(opts)
  M = vim.tbl_deep_extend("force", M, opts)