neovim/lua/plugins/bufferline.lua

require("bufferline").setup({
    options = {
        -- 使用 nvim 内置lsp
        diagnostics = "nvim_lsp",
        diagnostics_indicator = function(count, level, diagnostics_dict)
            return "(" .. count .. ")"
        end,
        always_show_bufferline = false,
        -- 左侧让出 nvim-tree 的位置
        offsets = {
            {
                filetype = "NvimTree",
                text = "File Explorer",
                highlight = "Directory",
                text_align = "left",
            },
        },
    },
})