neovim-confs/lua/plex/plugins/extras/ui/bufferline.lua

return {
	{
		'akinsho/bufferline.nvim',
		event = 'VeryLazy',
		opts = {
			options = {
				-- :h bufferline-configuration
				mode = 'tabs',
				separator_style = {"╱", "╱"},
				themable = true,
				numbers = "ordinal",
				show_close_icon = false,
				show_buffer_close_icons = false,
				diagnostics = true,
				indicator = {
						-- icon = ' ', -- this should be omitted if indicator style is not 'icon'
						-- windows terminal sucks
						style = 'none',
				},
				always_show_bufferline = true,
				diagnostics_indicator = function(_, _, diag)
					local icons = require('plex.config').icons.diagnostics
					local ret = (diag.error and icons.Error .. diag.error .. ' ' or '')
						.. (diag.warning and icons.Warn .. diag.warning or '')
					return vim.trim(ret)
				end,
				custom_areas = {
					right = function()
						local project_root = require('plex.lib.badge').project()
						local result = {}
						local part = {}
						part.text = '%#BufferLineTab# ' .. project_root
						table.insert(result, part)

						-- Session indicator
						if vim.v['this_session'] ~= '' then
							table.insert(result, { text = '%#BufferLineTab#  ' })
						end
						return result
					end,
				},
				offsets = {
					{
						filetype = 'neo-tree',
						text = 'Neo-tree',
						highlight = 'Directory',
						text_align = 'center',
					},
				},

			},
		},
	},
}