LazyVim.LazyVim/lua/lazyvim/plugins/extras/lang/elm.lua

return {
  recommended = {
    ft = { "elm" },
    root = { "elm.json" },
  },

  {
    "nvim-treesitter/nvim-treesitter",
    opts = function(_, opts)
      if type(opts.ensure_installed) == "table" then
        vim.list_extend(opts.ensure_installed, { "elm" })
      end
    end,
  },

  {
    "williamboman/mason.nvim",
    opts = function(_, opts)
      opts.ensure_installed = opts.ensure_installed or {}
      vim.list_extend(opts.ensure_installed, { "elm-format" })
    end,
  },

  {
    "stevearc/conform.nvim",
    optional = true,
    opts = {
      formatters_by_ft = {
        elm = { "elm_format" },
      },
    },
  },

  {
    "neovim/nvim-lspconfig",
    opts = {
      servers = {
        elmls = {},
      },
    },
  },
}