nixos-configs/modules/editor/vim/lua/plugins/lsp.lua

return {
  recommended = function()
    return LazyVim.extras.wants({
      ft = "scala",
      root = { "build.sbt", "build.mill", "build.sc", "build.gradle", "pom.xml" },
    })
  end,
  {
    "scalameta/nvim-metals",
    ft = { "scala", "sbt", "mill" },
    config = function() end,
  },
  {
    "neovim/nvim-lspconfig",
    opts = {
      servers = {
        metals = {
          settings = {
            showImplicitArguments = false,
            startMcpServer = true,
          },
        },
        elixirls = {
          cmd = { "elixir-ls" },
        },
      },
      setup = {
        metals = function(_, opts)
          local metals = require("metals")
          local metals_config = vim.tbl_deep_extend("force", metals.bare_config(), opts)
          metals_config.on_attach = LazyVim.has("nvim-dap") and metals.setup_dap or nil

          local nvim_metals_group = vim.api.nvim_create_augroup("nvim-metals", { clear = true })
          vim.api.nvim_create_autocmd("FileType", {
            pattern = { "scala", "sbt", "mill" },
            callback = function()
              metals.initialize_or_attach(metals_config)
            end,
            group = nvim_metals_group,
          })
          return true
        end,
      },
    },
  },
}