From 155fbf8804a675d5d851d194cc5de0e217d9ebd5 Mon Sep 17 00:00:00 2001
From: Mats Palmgren <mats@mozilla.com>
Date: Fri, 9 Jun 2023 10:20:04 +0200
Subject: [PATCH] style: Make #[css(represents_keyword)] convert underscore in
 the field name to dash

Differential Revision: https://phabricator.services.mozilla.com/D128668
---
 components/style_derive/to_css.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/style_derive/to_css.rs b/components/style_derive/to_css.rs
index 1f94751f889..19c7c1ac2bc 100644
--- a/components/style_derive/to_css.rs
+++ b/components/style_derive/to_css.rs
@@ -208,7 +208,7 @@ fn derive_single_field_expr(
             .ident
             .as_ref()
             .expect("Unnamed field with represents_keyword?");
-        let ident = cg::to_css_identifier(&ident.to_string());
+        let ident = cg::to_css_identifier(&ident.to_string()).replace("_", "-");
         quote! {
             if *#field {
                 writer.raw_item(#ident)?;