dressing.nvim/lua/dressing/config.lua

local default_config = {
  input = {
    -- Set to false to disable the vim.ui.input implementation
    enabled = true,

    -- Default prompt string
    default_prompt = "Input:",

    -- Can be 'left', 'right', or 'center'
    prompt_align = "left",

    -- When true, <Esc> will close the modal
    insert_only = true,

    -- When true, input will start in insert mode.
    start_in_insert = true,

    -- These are passed to nvim_open_win
    anchor = "SW",
    border = "rounded",
    -- 'editor' and 'win' will default to being centered
    relative = "cursor",

    -- These can be integers or a float between 0 and 1 (e.g. 0.4 for 40%)
    prefer_width = 40,
    width = nil,
    -- min_width and max_width can be a list of mixed types.
    -- min_width = {20, 0.2} means "the greater of 20 columns or 20% of total"
    max_width = { 140, 0.9 },
    min_width = { 20, 0.2 },

    -- Window transparency (0-100)
    winblend = 10,
    -- Change default highlight groups (see :help winhl)
    winhighlight = "",

    override = function(conf)
      -- This is the config that will be passed to nvim_open_win.
      -- Change values here to customize the layout
      return conf
    end,

    -- see :help dressing_get_config
    get_config = nil,
  },
  select = {
    -- Set to false to disable the vim.ui.select implementation
    enabled = true,

    -- Priority list of preferred vim.select implementations
    backend = { "telescope", "fzf_lua", "fzf", "builtin", "nui" },

    -- Trim trailing `:` from prompt
    trim_prompt = true,

    -- Options for telescope selector
    -- These are passed into the telescope picker directly. Can be used like:
    -- telescope = require('telescope.themes').get_ivy({...})
    telescope = nil,

    -- Options for fzf selector
    fzf = {
      window = {
        width = 0.5,
        height = 0.4,
      },
    },

    -- Options for fzf_lua selector
    fzf_lua = {
      winopts = {
        width = 0.5,
        height = 0.4,
      },
    },

    -- Options for nui Menu
    nui = {
      position = "50%",
      size = nil,
      relative = "editor",
      border = {
        style = "rounded",
      },
      buf_options = {
        swapfile = false,
        filetype = "DressingSelect",
      },
      win_options = {
        winblend = 10,
      },
      max_width = 80,
      max_height = 40,
      min_width = 40,
      min_height = 10,
    },

    -- Options for built-in selector
    builtin = {
      -- These are passed to nvim_open_win
      anchor = "NW",
      border = "rounded",
      -- 'editor' and 'win' will default to being centered
      relative = "editor",

      -- Window transparency (0-100)
      winblend = 10,
      -- Change default highlight groups (see :help winhl)
      winhighlight = "",

      -- These can be integers or a float between 0 and 1 (e.g. 0.4 for 40%)
      -- the min_ and max_ options can be a list of mixed types.
      -- max_width = {140, 0.8} means "the lesser of 140 columns or 80% of total"
      width = nil,
      max_width = { 140, 0.8 },
      min_width = { 40, 0.2 },
      height = nil,
      max_height = 0.9,
      min_height = { 10, 0.2 },

      override = function(conf)
        -- This is the config that will be passed to nvim_open_win.
        -- Change values here to customize the layout
        return conf
      end,
    },

    -- Used to override format_item. See :help dressing-format
    format_item_override = {},

    -- see :help dressing_get_config
    get_config = nil,
  },
}

local M = vim.deepcopy(default_config)

M.update = function(opts)
  local newconf = vim.tbl_deep_extend("force", default_config, opts or {})

  if
    newconf.input.row
    or newconf.input.col
    or newconf.select.builtin.row
    or newconf.select.builtin.col
  then
    vim.notify(
      "Deprecated: Dressing row and col are no longer used. Use the override to customize layout (:help dressing)",
      vim.log.levels.WARN
    )
  end

  if
    newconf.select.telescope
    and newconf.select.telescope.theme
    and vim.tbl_count(newconf.select.telescope) == 1
  then
    vim.notify(
      "Deprecated: dressing.select.telescope.theme is deprecated. Pass in telescope options directly (:help dressing)",
      vim.log.levels.WARN
    )
    local theme = newconf.select.telescope.theme
    local ttype = type(theme)
    if ttype == "string" then
      newconf.select.telescope = require("telescope.themes")[string.format("get_%s", theme)]()
    elseif ttype == "function" then
      newconf.select.telescope = theme({})
    else
      newconf.select.telescope = theme
    end
  end

  for k, v in pairs(newconf) do
    M[k] = v
  end
end

-- Used to get the effective config value for a module.
-- Use like: config.get_mod_config('input')
M.get_mod_config = function(key, ...)
  if not M[key].get_config then
    return M[key]
  end
  local conf = M[key].get_config(...)
  if conf then
    return vim.tbl_deep_extend("force", M[key], conf)
  else
    return M[key]
  end
end

return M