nvim/lua/plugins/bufferline.lua

--- Bufferline configuration with AstroNvim integration
--- Overrides and customizations for bufferline.nvim
--- Relies on astrocommunity.bars-and-lines.bufferline-nvim for base setup
--- @module plugins.bufferline

---@type LazySpec
return {
  "akinsho/bufferline.nvim",
  opts = {
    options = {
      mode = "buffers",
      numbers = "none",
      -- Use AstroCore buffer close handler for proper cleanup
      close_command = function(n) require("astrocore.buffer").close(n) end,
      right_mouse_command = function(n) require("astrocore.buffer").close(n) end,
      separator_style = "thick",
      indicator = { style = "none", icon = "" },
      diagnostics = "nvim_lsp",
      diagnostics_indicator = function(_, _, diagnostics_dict)
        local s = " "
        for e, _ in pairs(diagnostics_dict) do
          local sym = e == "error" and " " or (e == "warning" and " " or " ")
          s = s .. sym
        end
        return s
      end,
      always_show_bufferline = true,
      show_buffer_close_icons = true,
      show_close_icon = true,
      modified_icon = "●",
      buffer_close_icon = "󰅖",
      close_icon = "",
      left_trunc_marker = "",
      right_trunc_marker = "",
      -- Offset for snacks picker to prevent overlap
      offsets = {
        { filetype = "snacks_picker", text = "", padding = 0 },
        { filetype = "neo-tree", text = "", padding = 0 },
      },
    },
    highlights = {
      group_label = { fg = "#ffffff", bg = "#423f5a", bold = true },
      group_separator = { fg = "#585b70" },
      buffer_selected = { fg = "#89dceb", bold = true },
      buffer_visible = { fg = "#585b70" },
      background = { fg = "#585b70" },
      hint = { fg = "#94e2d5" },
      hint_selected = { fg = "#94e2d5", bold = true },
      warning = { fg = "#f9e2af" },
      warning_selected = { fg = "#f9e2af", bold = true },
      error = { fg = "#f38ba8" },
      error_selected = { fg = "#f38ba8", bold = true },
    },
  },
}