pkgs.svelte-language-server

        name        = "rust";
        auto-format = true;

        name              = "rust";
        auto-format       = true;
      }
      {
        name              = "typescript";
        auto-format       = true;
        formatter.command = "deno";
        formatter.args    = [ "fmt" "--use-tabs" "--no-semicolons" "--indent-width" "4" "--unstable-component" "--ext" "ts" "-"];
      }
      {
        name              = "svelte";
        auto-format       = true;
        formatter.command = "deno";
        formatter.args    = [ "fmt" "--use-tabs" "--no-semicolons" "--indent-width" "4" "--unstable-component" "--ext" "svelte" "-"];

        name        = "toml";
        auto-format = true;

        name              = "toml";
        auto-format       = true;

      };
      svelte-language-server = {
        command = "svelteserver";
        args    = [ "stdio" ];