modules/nixos/multimedia/web/firefox/preferences.nix

@@ -1,3 +1,12 @@
-{
+let
-  "browser.urlbar.suggest.topsites" = false;
+  mkPreferences = prefs: builtins.concatStringsSep
-}
+    "\n"
+    (map
+      (p: ''user_pref("${p}", ${builtins.toJSON prefs.${p}});'')
+      (builtins.attrNames prefs));
+in 
+  mkPreferences {
+    prefs = {
+      "browser.urlbar.suggest.topsites" = false;
+    };
+  }