Use barbar.nvim for tabline

core/plugins.vim

@@ -384,18 +384,6 @@ let s:idx = utils#RandInt(0, len(s:candidate_airlinetheme)-1)
 let s:theme = s:candidate_airlinetheme[s:idx]
 let g:airline_theme=s:theme
 
-" Tabline settings
-let g:airline#extensions#tabline#enabled = 1
-let g:airline#extensions#tabline#fnamemod = ':t'
-let g:airline#extensions#tabline#formatter = 'unique_tail_improved'
-
-" Show buffer number for easier switching between buffer,
-" see https://github.com/vim-airline/vim-airline/issues/1149
-let g:airline#extensions#tabline#buffer_nr_show = 1
-
-" Buffer number display format
-let g:airline#extensions#tabline#buffer_nr_format = '%s. '
-
 " Whether to show function or other tags on status line
 let g:airline#extensions#vista#enabled = 1
 let g:airline#extensions#gutentags#enabled = 1
@@ -433,9 +421,6 @@ let g:airline_highlighting_cache = 1
 " See also https://github.com/vim-airline/vim-airline/blob/master/autoload/airline/extensions/xkblayout.vim#L11
 let g:airline#extensions#xkblayout#short_codes = {'0': 'CN', '1': 'US'}
 
-" Disable scrollbar
-let g:airline#extensions#scrollbar#enabled = 0
-
 """"""""""""""""""""""""""""vim-startify settings""""""""""""""""""""""""""""
 " Do not change working directory when opening files.
 let g:startify_change_to_dir = 0

lua/config/barbar.lua

@@ -0,0 +1,66 @@
+-- Set barbar's options
+vim.g.bufferline = {
+  -- Enable/disable animations
+  animation = true,
+
+  -- Enable/disable auto-hiding the tab bar when there is a single buffer
+  auto_hide = false,
+
+  -- Enable/disable current/total tabpages indicator (top right corner)
+  tabpages = true,
+
+  -- Enable/disable close button
+  closable = true,
+
+  -- Enables/disable clickable tabs
+  --  - left-click: go to buffer
+  --  - middle-click: delete buffer
+  clickable = true,
+
+  -- Excludes buffers from the tabline
+  exclude_ft = {'javascript',},
+  exclude_name = {'package.json'},
+
+  -- Enable/disable icons
+  -- if set to 'numbers', will show buffer index in the tabline
+  -- if set to 'both', will show buffer index and icons in the tabline
+  icons = 'buffer_numbers',
+
+  -- If set, the icon color will follow its corresponding buffer
+  -- highlight group. By default, the Buffer*Icon group is linked to the
+  -- Buffer* group (see Highlighting below). Otherwise, it will take its
+  -- default value as defined by devicons.
+  icon_custom_colors = false,
+
+  -- Configure icons on the bufferline.
+  icon_separator_active = '▎',
+  icon_separator_inactive = '▎',
+  icon_close_tab = '',
+  icon_close_tab_modified = '●',
+  icon_pinned = '車',
+
+  -- If true, new buffers will be inserted at the end of the list.
+  -- Default is to insert after current buffer.
+  insert_at_end = false,
+
+  -- Sets the maximum padding width with which to surround each tab
+  maximum_padding = 1,
+
+  -- Sets the maximum buffer name length.
+  maximum_length = 30,
+
+  -- If set, the letters for each buffer in buffer-pick mode will be
+  -- assigned based on their name. Otherwise or in case all letters are
+  -- already assigned, the behavior is to assign letters in order of
+  -- usability (see order below)
+  semantic_letters = true,
+
+  -- New buffer letters are assigned in this order. This order is
+  -- optimal for the qwerty keyboard layout but might need adjustement
+  -- for other layouts.
+  letters = 'asdfjkl;ghnmxcvbziowerutyqpASDFJKLGHNMXCVBZIOWERUTYQP',
+
+  -- Sets the name of unnamed buffers. By default format is "[Buffer X]"
+  -- where X is the buffer number. But only a static string is accepted here.
+  no_name_title = 'No name',
+}

lua/plugins.lua

@@ -100,6 +100,8 @@ require('packer').startup(
     use 'vim-airline/vim-airline-themes'
     use 'vim-airline/vim-airline'
 
+    use {'romgrk/barbar.nvim', config = [[require('config.barbar')]]}
+
     -- fancy start screen
     use {'mhinz/vim-startify'}
     use {'lukas-reineke/indent-blankline.nvim', config = [[require('config.indent-blankline')]]}