gruber-darker.nvim/lua/gruber-darker/config.lua

---@class GruberDarkerOpts
---@field bold boolean
---@field italic boolean
---@field underline boolean
---@field comment_italics boolean

---@type GruberDarkerOpts
local DEFAULTS = {
	bold = true,
	italic = true,
	underline = true,
	comment_italics = true,
}

---@class ConfigMgr
---@field private resolved_opts GruberDarkerOpts
local ConfigMgr = {}
ConfigMgr.__index = ConfigMgr

---@type ConfigMgr|nil
local instance = nil

---Get GruberDarker user preferences
---@return GruberDarkerOpts
---@nodiscard
function ConfigMgr.get_opts()
  if instance ~= nil then
	  return instance.resolved_opts
  end

  return DEFAULTS
end

---Set GruberDarker colorscheme options
---@param opts? GruberDarkerOpts
function ConfigMgr.setup(opts)
	if instance ~= nil then
		return
	end

	instance = setmetatable({
		resolved_opts = vim.tbl_deep_extend("force", DEFAULTS, opts or {}),
	}, ConfigMgr)
end

return ConfigMgr