require("bufferline").setup{
    options = {
        diagnostics = 'nvim_lsp',
        diagnostics_indicator = function(count, level, diagnostics_dict, context)
          local icon = level:match("error") and " " or " "
          return " " .. icon .. count
        end,
        separator_style = "slant",
        hover = {
            enabled = true,
            reveal = {'close'},
        },
    },
}

vim.keymap.set('n', '<leader>ft', ":BufferLinePick<CR>", {})