kickstart.nvim/lua/custom/plugins/barbar.lua

return {
  'romgrk/barbar.nvim',
  dependencies = {
    'nvim-tree/nvim-web-devicons',
  },
  config = function()
    require('barbar').setup()
    vim.keymap.set('n', '<Tab>', ':BufferNext<CR>', { silent = true })
    vim.keymap.set('n', '<S-Tab>', ':BufferPrevious<CR>', { silent = true })
    vim.keymap.set('n', '<leader>x', ':BufferClose<CR>', { silent = true })
  end,
}