add conform.nix

config/default.nix

@@ -22,6 +22,8 @@
     ./languages/nvim-jdtls.nix
     ./languages/nvim-lint.nix
 
+    ./lsp/conform.nix
+
     ./dap/dap.nix
 
     ./filetrees/neo-tree.nix

config/lsp/conform.nix

@@ -0,0 +1,93 @@
+{
+  plugins.conform-nvim = {
+    enable = true;
+    notifyOnError = true;
+    formattersByFt = {
+      html = [["prettierd" "prettier"]];
+      css = [["prettierd" "prettier"]];
+      javascript = [["prettierd" "prettier"]];
+      javascriptreact = [["prettierd" "prettier"]];
+      typescript = [["prettierd" "prettier"]];
+      typescriptreact = [["prettierd" "prettier"]];
+      java = ["google-java-format"];
+      python = ["black"];
+      lua = ["stylua"];
+      nix = ["alejandra"];
+      markdown = [["prettierd" "prettier"]];
+      rust = ["rustfmt"];
+    };
+  };
+
+  keymaps = [
+    {
+      mode = "n";
+      key = "<leader>uf";
+      action = ":FormatToggle<CR>";
+      options = {
+        desc = "Toggle Format";
+        silent = true;
+      };
+    }
+    {
+      mode = "n";
+      key = "<leader>cf";
+      action = "<cmd>lua require('conform').format()<cr>";
+      options = {
+        silent = true;
+        desc = "Format Buffer";
+      };
+    }
+
+    {
+      mode = "v";
+      key = "<leader>cF";
+      action = "<cmd>lua require('conform').format()<cr>";
+      options = {
+        silent = true;
+        desc = "Format Lines";
+      };
+    }
+  ];
+
+  extraConfigLua = ''
+    local conform = require("conform")
+    local notify = require("notify")
+
+    conform.setup({
+      format_on_save = function(bufnr)
+      -- Disable with a global or buffer-local variable
+        if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+          return
+        end
+        return { timeout_ms = 500, lsp_fallback = true }
+      end,
+    })
+
+    local function show_notification(message, level)
+      notify(message, level, { title = "conform.nvim" })
+    end
+
+    vim.api.nvim_create_user_command("FormatToggle", function(args)
+      local is_global = not args.bang
+      if is_global then
+        vim.g.disable_autoformat = not vim.g.disable_autoformat
+      if vim.g.disable_autoformat then
+        show_notification("Autoformat-on-save disabled globally", "info")
+      else
+        show_notification("Autoformat-on-save enabled globally", "info")
+      end
+      else
+        vim.b.disable_autoformat = not vim.b.disable_autoformat
+      if vim.b.disable_autoformat then
+        show_notification("Autoformat-on-save disabled for this buffer", "info")
+      else
+        show_notification("Autoformat-on-save enabled for this buffer", "info")
+        end
+      end
+    end, {
+      desc = "Toggle autoformat-on-save",
+      bang = true,
+    })
+  '';
+}
+