refactor: updated conform command to use stop_after_success flag to default all to nix fmt

config/languages/conform.nix

@@ -1,4 +1,6 @@
-{
+{lib, ...}: let
+  inherit (lib.nixvim.utils) listToUnkeyedAttrs;
+in {
   keymaps = [
     {
       mode = "n";
@@ -29,47 +31,23 @@
         lsp_format = "fallback";
       };
 
-      formatters_by_ft = {
-        astro = {
-          __unkeyed-1 = "prettierd";
-          __unkeyed-2 = "prettier";
-          stop_after_first = true;
-        };
-        cabal = {
-          __unkeyed-1 = "ormolu";
-        };
-        haskell = {
-          __unkeyed-1 = "ormolu";
-        };
-        javascript = {
-          __unkeyed-1 = "prettierd";
-          __unkeyed-2 = "prettier";
-          stop_after_first = true;
-        };
-        javascriptreact = {
-          __unkeyed-1 = "prettierd";
-          __unkeyed-2 = "prettier";
-          stop_after_first = true;
-        };
-        typescript = {
-          __unkeyed-1 = "prettierd";
-          __unkeyed-2 = "prettier";
-          stop_after_first = true;
-        };
-        typescriptreact = {
-          __unkeyed-1 = "prettierd";
-          __unkeyed-2 = "prettier";
-          stop_after_first = true;
-        };
-        lua = {
-          __unkeyed-1 = "stylua";
-        };
-        nix = {
-          __unkeyed-1 = "alejandra";
-        };
-        racket = {
-          __unkeyed-1 = "raco_fmt";
-        };
+      formatters_by_ft = let
+        withNixFmt = formatters:
+          listToUnkeyedAttrs (["nix_fmt"] ++ formatters)
+          // {
+            stop_after_first = true;
+          };
+      in {
+        astro = withNixFmt ["prettierd" "prettier"];
+        cabal = withNixFmt ["ormolu"];
+        haskell = withNixFmt ["ormolu"];
+        javascript = withNixFmt ["prettierd" "prettier"];
+        javascriptreact = withNixFmt ["prettierd" "prettier"];
+        lua = withNixFmt ["stylua"];
+        nix = withNixFmt ["alejandra"];
+        racket = withNixFmt ["raco_fmt"];
+        typescript = withNixFmt ["prettierd" "prettier"];
+        typescriptreact = withNixFmt ["prettierd" "prettier"];
       };
 
       formatters = {
@@ -77,6 +55,10 @@
           command = "raco";
           args = ["fmt"];
         };
+        nix_fmt = {
+          command = "nix";
+          args = ["fmt"];
+        };
       };
     };
   };