style: Properly fail to serialize grid shorthand when not roundtripping

Other browsers also don't roundtrip properly, but they fail less
severely.

Differential Revision: https://phabricator.services.mozilla.com/D152794
This commit is contained in:
Emilio Cobos Álvarez 2022-07-26 22:43:26 +00:00 committed by Martin Robinson
parent 59da4326fd
commit f1e04f76f0

View file

@ -621,7 +621,6 @@
impl<'a> LonghandsToSerialize<'a> {
/// Returns true if other sub properties except template-{rows,columns} are initial.
fn is_grid_template(&self) -> bool {
*self.grid_template_areas == GridTemplateAreas::None &&
self.grid_auto_rows.is_initial() &&
self.grid_auto_columns.is_initial() &&
*self.grid_auto_flow == grid_auto_flow::get_initial_value()
@ -630,13 +629,19 @@
impl<'a> ToCss for LonghandsToSerialize<'a> {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
if *self.grid_template_areas != GridTemplateAreas::None ||
(!self.grid_template_rows.is_initial() &&
!self.grid_template_columns.is_initial()) ||
self.is_grid_template() {
return super::grid_template::serialize_grid_template(self.grid_template_rows,
if self.is_grid_template() {
return super::grid_template::serialize_grid_template(
self.grid_template_rows,
self.grid_template_columns,
self.grid_template_areas, dest);
self.grid_template_areas,
dest
);
}
if *self.grid_template_areas != GridTemplateAreas::None {
// No other syntax can set the template areas, so fail to
// serialize.
return Ok(());
}
if self.grid_auto_flow.contains(GridAutoFlow::COLUMN) {
@ -663,7 +668,10 @@
dest.write_str(" ")?;
self.grid_auto_columns.to_css(dest)?;
}
} else {
return Ok(());
}
// It should fail to serialize if other branch of the if condition's values are set.
if !self.grid_auto_columns.is_initial() ||
!self.grid_template_rows.is_initial() {
@ -689,7 +697,6 @@
dest.write_str(" / ")?;
self.grid_template_columns.to_css(dest)?;
}
Ok(())
}
}