use "folke/lua-dev.nvim"

{
  library = {
    enabled = true, -- when not enabled, lua-dev will not change any settings to the LSP server
    -- these settings will be used for your neovim config directory
    runtime = true, -- runtime path
    types = true, -- full signature, docs and completion of vim.api, vim.treesitter, vim.lsp and others
    plugins = true, -- installed opt or start plugins in packpath
    -- you can also specify the list of plugins to make available as a workspace library
    -- plugins = { "nvim-treesitter", "plenary.nvim", "telescope.nvim" },
  },
  -- for your neovim config directory, the config.library settings will be used as is
  -- for plugin directories (root_dirs having a /lua directory), config.library.plugins will be disabled
  -- for any other directory, config.library.enabled will be set to false
  override = function(root_dir, options) end,

}

-- IMPORTANT: make sure to setup lua-dev BEFORE lspconfig
require("lua-dev").setup({
  -- add any options here, or leave empty to use the default settings
})

-- then setup your lsp server as usual
local lspconfig = require('lspconfig')

-- example to setup sumneko and enable call snippets
lspconfig.sumneko_lua.setup({
  Lua = {
    completion = {
      callSnippet = "Replace"
    }
  }
})

-- You can override the default detection using the override function
-- EXAMPLE: If you want a certain directory to be configured differently, you can override its settings
require("lua-dev").setup({
  override = function(root_dir, library)
    if require("lua-dev.util").has_file(root_dir, "/etc/nixos") then
      library.enabled = true
      library.plugins = true
    end
  end,
})