system/neovim/configs/language-server.nix

{ config, lib, pkgs, ... }:

let inherit (lib.nix2lua) call; in
{
  fn.lspconfig-eslint-on-attach = {
    args = [ "client" "bufnr" ];
    content = { bufnr, ... }: {
      vim.augroup.eslint-fix = {
        event = "BufWritePre";
        buffer = bufnr;
        command = "silent! EslintFixAll";
      };
    };
  };

  plugins.language-server.lspconfig.serverSettings = {
    nil_ls = { };
    rust_analyzer = {
      settings.rust-analyzer = {
        "server.path" = "rust-analyzer";
        "updates.prompt" = false;
        "updates.checkOnStartup" = false;
        "checkOnSave.enable" = true;
        "checkOnSave.command" = "clippy";
        "cargo.autoreload" = true;
      };
    };
    tsserver = rec {
      filetypes = [ "javascript" "javascriptreact" "typescript" "typescriptreact" "vue" ];
      cmd = "${pkgs.nodePackages.typescript-language-server}/bin/typescript-language-server --stdio";
      init_options = {
        plugins = [
          {
            name = "@vue/typescript-plugin";
            location = "./node_modules/@vue/typescript-plugin";
            languages = filetypes;
          }
        ];
        tsserver.fallbackPath = "${pkgs.nodePackages.typescript}/lib/node_modules/typescript/lib";
      };
    };
    eslint = {
      on_attach = config.fn.lspconfig-eslint-on-attach.lambda;
    };
    volar = {
      init_options = {
        typescript.tsdk = "./node_modules/typescript/lib";
      };
    };
    ltex = {
      language = "en-US";
      languageToolHttpServerUri = "http://localhost:8081";
    };
    pylsp = { };
    denols = {
      root_dir = call "${config.plugin.nvim-lspconfig.varName}.util.root_pattern" [ "deno.json" "deno.jsonc" ];
    };
    jdtls = { cmd = [ "jdtls" ]; };
    jsonls = { };
  };
}