fix: option issue (closes #252)

lua/bufferline.lua

@@ -2,6 +2,7 @@ local command = vim.api.nvim_command
 local create_augroup = vim.api.nvim_create_augroup
 local create_autocmd = vim.api.nvim_create_autocmd
 local create_user_command = vim.api.nvim_create_user_command
+local buf_get_option = vim.api.nvim_buf_get_option
 local defer_fn = vim.defer_fn
 local notify = vim.notify
 local tbl_extend = vim.tbl_extend
@@ -77,8 +78,9 @@ function bufferline.enable()
 
   create_autocmd('BufModifiedSet', {
     callback = function()
-      if vim.bo.modified ~= vim.b.checked then
-        vim.b.checked = vim.bo.modified
+      local is_modified = buf_get_option(0, 'modified')
+      if is_modified ~= vim.b.checked then
+        vim.b.checked = is_modified
         bufferline.update()
       end
     end,

lua/bufferline/bbye.lua

@@ -39,6 +39,8 @@ local set_current_buf = vim.api.nvim_set_current_buf
 local set_current_win = vim.api.nvim_set_current_win
 local win_get_buf = vim.api.nvim_win_get_buf
 local win_is_valid = vim.api.nvim_win_is_valid
+local buf_get_option = vim.api.nvim_buf_get_option
+local buf_set_option = vim.api.nvim_buf_set_option
 
 local reverse = require'bufferline.utils'.reverse
 
@@ -99,7 +101,7 @@ function bbye.delete(action, force, buffer, mods)
     return
   end
 
-  local is_modified = vim.bo[buffer_number].modified
+  local is_modified = buf_get_option(buffer_number, 'modified')
   local has_confirm = vim.o.confirm or (string_match(mods, 'conf') ~= nil)
 
   if is_modified and not (force or has_confirm) then
@@ -112,7 +114,7 @@ function bbye.delete(action, force, buffer, mods)
   -- If the buffer is set to delete and it contains changes, we can't switch
   -- away from it. Hide it before eventual deleting:
   if is_modified and force then
-    vim.bo[buffer_number].bufhidden = 'hide'
+    buf_set_option(buffer_number, 'bufhidden', 'hide')
   end
 
   -- For cases where adding buffers causes new windows to appear or hiding some

lua/bufferline/buffer.lua

@@ -11,6 +11,7 @@ local table_concat = table.concat
 
 local buf_get_name = vim.api.nvim_buf_get_name
 local buf_is_valid = vim.api.nvim_buf_is_valid
+local buf_get_option = vim.api.nvim_buf_get_option
 local bufwinnr = vim.fn.bufwinnr
 local get_current_buf = vim.api.nvim_get_current_buf
 local matchlist = vim.fn.matchlist
@@ -42,7 +43,7 @@ local function get_name(opts, number)
   local name = buf_is_valid(number) and buf_get_name(number) or nil
 
   if name then
-    name = vim.bo[number].buftype == 'terminal' and terminalname(name) or utils.basename(name)
+    name = buf_get_option(number, 'buftype') == 'terminal' and terminalname(name) or utils.basename(name)
   elseif opts.no_name_title ~= nil and opts.no_name_title ~= vim.NIL then
     name = opts.no_name_title
   end

lua/bufferline/layout.lua

@@ -8,6 +8,7 @@ local min = math.min
 local table_insert = table.insert
 
 local strwidth = vim.api.nvim_strwidth
+local buf_get_option = vim.api.nvim_buf_get_option
 local tabpagenr = vim.fn.tabpagenr
 
 local Buffer = require'bufferline.buffer'
@@ -53,7 +54,7 @@ local function calculate_buffers_width(state, base_width)
       local is_pinned = state.is_pinned(buffer_number)
 
       if opts.closable or is_pinned then
-        local is_modified = vim.bo[buffer_number].modified
+        local is_modified = buf_get_option(buffer_number, 'modified')
         local icon = is_pinned and opts.icon_pinned or
           (not is_modified -- close-icon
             and opts.icon_close_tab

lua/bufferline/render.lua

@@ -9,6 +9,7 @@ local string_rep = string.rep
 local table_insert = table.insert
 
 local get_current_buf = vim.api.nvim_get_current_buf
+local buf_get_option = vim.api.nvim_buf_get_option
 local has = vim.fn.has
 local strcharpart = vim.fn.strcharpart
 local strwidth = vim.api.nvim_strwidth
@@ -191,7 +192,7 @@ local function render(update_names)
   local current = get_current_buf()
 
   -- Store current buffer to open new ones next to this one
-  if vim.bo[current].buflisted then
+  if buf_get_option(current, 'buflisted') then
     if vim.b.empty_buffer then
       state.last_current_buffer = nil
     else
@@ -224,7 +225,7 @@ local function render(update_names)
     local is_inactive = activity == 0
     -- local is_visible = activity == 1
     local is_current = activity == 2
-    local is_modified = vim.bo[buffer_number].modified
+    local is_modified = buf_get_option(buffer_number, 'modified')
     -- local is_closing = buffer_data.closing
     local is_pinned = state.is_pinned(buffer_number)
 
@@ -275,7 +276,7 @@ local function render(update_names)
     else
 
       if has_icons then
-        local iconChar, iconHl = icons.get_icon(buffer_name, vim.bo[buffer_number].filetype, status)
+        local iconChar, iconHl = icons.get_icon(buffer_name, buf_get_option(buffer_number, 'filetype'), status)
         local hlName = is_inactive and 'BufferInactive' or iconHl
         iconPrefix = has_icon_custom_colors and hl_tabline('Buffer' .. status .. 'Icon') or hlName and hl_tabline(hlName) or namePrefix
         icon = iconChar .. ' '

lua/bufferline/state.lua

@@ -16,6 +16,7 @@ local buf_get_name = vim.api.nvim_buf_get_name
 local buf_get_var = vim.api.nvim_buf_get_var
 local buf_is_valid = vim.api.nvim_buf_is_valid
 local buf_line_count = vim.api.nvim_buf_line_count
+local buf_get_option = vim.api.nvim_buf_get_option
 local bufadd = vim.fn.bufadd
 local bufwinnr = vim.fn.bufwinnr
 local command = vim.api.nvim_command
@@ -239,20 +240,20 @@ end
 
 local function set_current_win_listed_buffer()
   local current = get_current_buf()
-  local is_listed = vim.bo[current].buflisted
+  local is_listed = buf_get_option(current, 'buflisted')
 
   -- Check previous window first
   if not is_listed then
     command('wincmd p')
     current = get_current_buf()
-    is_listed = vim.bo[current].buflisted
+    is_listed = buf_get_option(current, 'buflisted')
   end
   -- Check all windows now
   if not is_listed then
     local wins = list_wins()
     for _, win in ipairs(wins) do
       current = win_get_buf(win)
-      is_listed = vim.bo[current].buflisted
+      is_listed = buf_get_option(current, 'buflisted')
       if is_listed then
         set_current_win(win)
         break
@@ -321,12 +322,12 @@ local function get_buffer_list()
 
   for _, buffer in ipairs(buffers) do
 
-    if not vim.bo[buffer].buflisted then
+    if not buf_get_option(buffer, 'buflisted') then
       goto continue
     end
 
     if not utils.is_nil(exclude_ft) then
-      local ft = vim.bo[buffer].filetype
+      local ft = buf_get_option(buffer, 'filetype')
       if utils.has(exclude_ft, ft) then
         goto continue
       end
@@ -761,7 +762,7 @@ function M.restore_buffers(bufnames)
   -- and create useless empty buffers.
   for _,bufnr in ipairs(list_bufs()) do
     if buf_get_name(bufnr) == ''
-      and vim.bo[bufnr].buftype == ''
+      and buf_get_option(bufnr, 'buftype') == ''
       and buf_line_count(bufnr) == 1
       and buf_get_lines(bufnr, 0, 1, true)[1] == '' then
         buf_delete(bufnr, {})