From a51108e879cfabd09507b2f4c3527a8ed7e85dc8 Mon Sep 17 00:00:00 2001
From: NotAShelf <raf@notashelf.dev>
Date: Sat, 1 Feb 2025 07:31:51 +0300
Subject: [PATCH] formatter/conform-nvim: init

---
 .../plugins/formatter/conform-nvim/config.nix | 20 +++++++
 .../formatter/conform-nvim/conform-nvim.nix   | 56 +++++++++++++++++++
 .../formatter/conform-nvim/default.nix        |  6 ++
 modules/plugins/formatter/default.nix         |  3 +
 4 files changed, 85 insertions(+)
 create mode 100644 modules/plugins/formatter/conform-nvim/config.nix
 create mode 100644 modules/plugins/formatter/conform-nvim/conform-nvim.nix
 create mode 100644 modules/plugins/formatter/conform-nvim/default.nix
 create mode 100644 modules/plugins/formatter/default.nix

diff --git a/modules/plugins/formatter/conform-nvim/config.nix b/modules/plugins/formatter/conform-nvim/config.nix
new file mode 100644
index 00000000..0b83d813
--- /dev/null
+++ b/modules/plugins/formatter/conform-nvim/config.nix
@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkIf;
+  inherit (lib.nvim.dag) entryAnywhere;
+  inherit (lib.nvim.lua) toLuaObject;
+
+  cfg = config.vim.formatter.conform-nvim;
+in {
+  config = mkIf cfg.enable {
+    vim = {
+      startPlugins = ["conform-nvim"];
+      pluginRC.conform-nvim = entryAnywhere ''
+        require("conform").setup(${toLuaObject cfg.setupOpts})
+      '';
+    };
+  };
+}
diff --git a/modules/plugins/formatter/conform-nvim/conform-nvim.nix b/modules/plugins/formatter/conform-nvim/conform-nvim.nix
new file mode 100644
index 00000000..423a4f44
--- /dev/null
+++ b/modules/plugins/formatter/conform-nvim/conform-nvim.nix
@@ -0,0 +1,56 @@
+{
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib.options) mkOption mkEnableOption literalExpression;
+  inherit (lib.types) attrs enum;
+  inherit (lib.nvim.types) mkPluginSetupOption;
+  inherit (lib.nvim.lua) mkLuaInline;
+in {
+  options.vim.formatter.conform-nvim = {
+    enable = mkEnableOption "lightweight yet powerful formatter plugin for Neovim [conform-nvim]";
+    setupOpts = mkPluginSetupOption "conform.nvim" {
+      formatters_by_ft = mkOption {
+        type = attrs;
+        default = {};
+        example = {lua = ["stylua"];};
+        description = ''
+          Map of filetype to formatters. This option takes a set of
+          `key = value` format where the `value will` be converted
+          to its Lua equivalent. You are responsible for passing the
+          correct Nix data types to generate a correct Lua value that
+          conform is able to accept.
+        '';
+      };
+
+      default_format_opts = mkOption {
+        type = attrs;
+        default = {lsp_format = "fallback";};
+        description = "Default values when calling `conform.format()`";
+      };
+
+      format_on_save = mkOption {
+        type = attrs;
+        default = {
+          lsp_format = "fallback";
+          timeout_ms = 500;
+        };
+        description = ''
+          Table that will be passed to `conform.format()`. If this
+          is set, Conform will run the formatter on save.
+        '';
+      };
+
+      format_after_save = mkOption {
+        type = attrs;
+        default = {lsp_format = "fallback";};
+        description = ''
+          Table that will be passed to `conform.format()`. If this
+          is set, Conform will run the formatter asynchronously after
+          save.
+        '';
+      };
+    };
+  };
+}
diff --git a/modules/plugins/formatter/conform-nvim/default.nix b/modules/plugins/formatter/conform-nvim/default.nix
new file mode 100644
index 00000000..56c90f3f
--- /dev/null
+++ b/modules/plugins/formatter/conform-nvim/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./conform-nvim.nix
+    ./config.nix
+  ];
+}
diff --git a/modules/plugins/formatter/default.nix b/modules/plugins/formatter/default.nix
new file mode 100644
index 00000000..f57ad66a
--- /dev/null
+++ b/modules/plugins/formatter/default.nix
@@ -0,0 +1,3 @@
+{
+  imports = [./conform-nvim];
+}