Neovim/lua/plugins/cokeline.lua

return {
   {
        "willothy/nvim-cokeline",
        config = true,
        opts = {
            fill_hl = "BufferInactive",
            show_if_buffers_are_at_least = 1,
            buffers = {
                focus_on_delete = "next",
                new_buffers_position = 'last',
            },
            mappings = {
                disable_mouse = false,
            },
            default_hl = {
                bg = function(buffer)
                    if buffer.is_focused then
                        return "Normal"
                    end
                    return "BufferInactive"
                end,
                fg = function(buffer)
                    if buffer.is_focused then
                        return "Normal"
                    end
                    return "BufferInactive"
                end,
            },
            components = {
                {
                    text = ' ',
                },
                {
                    text = function(_)
                        return " "
                    end,
                    fg = "Normal"
                },
                {
                    text = function(buffer) return buffer.devicon.icon end,
                    fg = function(buffer) return buffer.devicon.color end,
                },
                {
                    text = function(buffer) return ' ' .. buffer.filename .. ' ' end,
                },
                {
                    text = ' ',
                },
                {
                    text = function(buffer)
                        if buffer.is_modified then
                            return ''
                        elseif buffer.is_readonly then
                            return ''
                        else
                            return '󰅖'
                        end
                    end,
                    on_click = function(_, _, _, _, buffer)
                        buffer:delete()
                    end
                },
                {
                    text = ' ',
                }
            },
            tabs = {
                placement = "right",
                components = {
                    {
                        text = function(tabpage)
                            return ' ' .. tabpage.number .. ' '
                        end,
                        bg = function(tabpage)
                            if tabpage.is_active then
                                return "Normal"
                            end
                            return "BufferInactive"
                        end,
                        fg = function(tabpage)
                            if tabpage.is_active then
                                return "Normal"
                            end
                            return "BufferInactive"
                        end
                    },
                    {
                        text = function(tabpage)
                            if tabpage.is_active then
                                return "󰅙 "
                            end
                            return ""
                        end,
                        on_click = function(_, _, _, _, tabpage)
                            tabpage:close()
                        end,
                        bg = function(_)
                            return "Normal"
                        end,
                        fg = function(_)
                            return "Normal"
                        end
                    }
                },
            },
            sidebar = {
                filetype = { "NvimTree", "neo-tree", "SidebarNvim" },
                components = {
                    {
                        text = "",
                        bg = "Normal",
                        fg = "Normal"
                    }
                },
            },
        }
    }
}