nixvim-config/plugins/lsp.nix

{ pkgs, ... }:
{
  environment.systemPackages = [
    pkgs.nodePackages.eslint
    pkgs.nodePackages.prettier
  ];

  programs.nixvim = {
    keymaps = [
      {
        key = "gD";
        action = "<cmd>lua vim.lsp.buf.declaration()<CR>";
        options = { noremap = true; };
      }
      {
        key = "gd";
        action = "<cmd>lua vim.lsp.buf.definition()<CR>";
        options = { noremap = true; };
      }
      {
        key = "gi";
        action = "<cmd>lua vim.lsp.buf.implementation()<CR>";
        options = { noremap = true; };
      }
      {
        key = "gk";
        action = "<cmd>lua vim.lsp.buf.signature_help()<CR>";
        options = { noremap = true; };
      }
      {
        key = "K";
        action = "<cmd>lua vim.lsp.buf.hover()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>wa";
        action = "<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>wr";
        action = "<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>wl";
        action = "<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>D";
        action = "<cmd>lua vim.lsp.buf.type_definition()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>r";
        action = "<cmd>lua vim.lsp.buf.rename()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>ca";
        action = "<cmd>lua vim.lsp.buf.code_action()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>e";
        action = "<cmd>lua vim.diagnostic.open_float()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>q";
        action = "<cmd>lua vim.diagnostic.setloclist()<CR>";
        options = { noremap = true; };
      }
      {
        key = "<leader>f";
        action = "<cmd>lua vim.lsp.buf.formatting()<CR>";
        options = { noremap = true; };
      }
      {
        key = "gr";
        action = "<cmd>lua vim.lsp.buf.references()<CR>";
        options = { noremap = true; };
      }
    ];

    plugins.lsp = {
      enable = true;
      onAttach = ''
        -- Set capabilities for the LSP client from blink-cmp
        -- client.config.capabilities = require('blink.cmp').get_lsp_capabilities(client.config.capabilities)

        local active_clients = vim.lsp.get_active_clients()
        if client.name == "denols" then
          for _, client_ in pairs(active_clients) do
            -- stop tsserver if denols is already active
            if client_.name == "ts_ls" then
              client_.stop()
            end
          end
        elseif client.name == "ts_ls" then
          for _, client_ in pairs(active_clients) do
            -- prevent tsserver from starting if denols is already active
            if client_.name == "denols" then
              client.stop()
            end
          end
        end
      '';
      servers = {
        ## Needs a package
        # awk_ls.enable = true;
        bashls.enable = true;
        clangd.enable = true;
        cmake.enable = true;
        ## Needs a package
        # css_variables.enable = true;
        cssls.enable = true;
        ## Needs a package
        # cssmodules_ls.enable = true;
        ## Needs a package
        # custom_elements_ls.enable = true;
        denols = {
          enable = true;
          rootMarkers = [ "require('lspconfig').util.root_pattern('deno.json', 'deno.jsonc')" ];
        };
        dockerls.enable = true; # Docker
        eslint.enable = true;
        gopls = { # Golang
          enable = true;
          autostart = true;
        };
        ## Needs a package
        # graphql.enable = true;
        html.enable = true;
        java_language_server.enable = true;
        lua_ls = { # Lua
          enable = true;
          settings.telemetry.enable = false;
        };
        marksman.enable = true;
        nil_ls.enable = true;
        ## Using nil_ls
        # nixd.enable = true;
        postgres_lsp.enable = true;
        pyright.enable = true;
        rust_analyzer = {
          enable = true;
          installRustc = true;
          installCargo = true;
        };
        sqls.enable = true;
        ## Needs a package
        # sqlls.enable = true;
        stylelint_lsp.enable = true;
        tailwindcss.enable = true;
        ts_ls = {
          enable = true;
          rootMarkers = [ "require('lspconfig').util.root_pattern('package.json')" ];
          settings = {
            single_file_support = false;
          };
        };
        yamlls.enable = true; # YAML
      };
    };

    extraPackages = with pkgs; [
      eslint
    ];
  };
}