From 63cc96656f71a2f8a0e02605ad8545bc93a44559 Mon Sep 17 00:00:00 2001
From: moons-14 <moons@moons14.com>
Date: Wed, 11 Mar 2026 19:54:09 +0900
Subject: [PATCH] nixvim: show active formatter in lualine, prefer biome when
 available

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .../home/nixvim/plugins/editor/conform.nix    | 10 ++++----
 modules/home/nixvim/plugins/ui/lualine.nix    | 24 ++++++++++++++++++-
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/modules/home/nixvim/plugins/editor/conform.nix b/modules/home/nixvim/plugins/editor/conform.nix
index e451b4b..16f6e1e 100644
--- a/modules/home/nixvim/plugins/editor/conform.nix
+++ b/modules/home/nixvim/plugins/editor/conform.nix
@@ -3,11 +3,11 @@
     enable = true;
     settings = {
       formatters_by_ft = {
-        javascript.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
-        javascriptreact.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
-        typescript.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
-        typescriptreact.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
-        json.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
+        javascript.__raw = ''{ "biome", "prettierd", "prettier", stop_after_first = true }'';
+        javascriptreact.__raw = ''{ "biome", "prettierd", "prettier", stop_after_first = true }'';
+        typescript.__raw = ''{ "biome", "prettierd", "prettier", stop_after_first = true }'';
+        typescriptreact.__raw = ''{ "biome", "prettierd", "prettier", stop_after_first = true }'';
+        json.__raw = ''{ "biome", "prettierd", "prettier", stop_after_first = true }'';
         yaml.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
         markdown.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
         lua = ["stylua"];
diff --git a/modules/home/nixvim/plugins/ui/lualine.nix b/modules/home/nixvim/plugins/ui/lualine.nix
index 35e7be2..328f3cf 100644
--- a/modules/home/nixvim/plugins/ui/lualine.nix
+++ b/modules/home/nixvim/plugins/ui/lualine.nix
@@ -1,3 +1,25 @@
 {...}: {
-  programs.nixvim.plugins.lualine.enable = true;
+  programs.nixvim.plugins.lualine = {
+    enable = true;
+    settings.sections.lualine_x = [
+      {
+        __raw = ''
+          function()
+            local ok, conform = pcall(require, "conform")
+            if not ok then return "" end
+            local formatters = conform.list_formatters(0)
+            for _, f in ipairs(formatters) do
+              if f.available then
+                return "󰛖 " .. f.name
+              end
+            end
+            return ""
+          end
+        '';
+      }
+      "encoding"
+      "fileformat"
+      "filetype"
+    ];
+  };
 }