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Make emtpy rule can be inserted into rule tree

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KuoE0 2017-08-14 15:09:24 +08:00
parent f93c6dfbd5
commit a6ceafe3da
1 changed files with 4 additions and 1 deletions
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5
components/style/rule_tree/mod.rs
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@ -210,7 +210,10 @@ impl RuleTree {
_ => {},
};
}
if any_normal {
// We really want to ensure empty rule nodes appear in the rule tree for
// devtools, this condition ensures that if we find an empty rule node, we
// insert it at the normal level.
if any_normal || !any_important {
if matches!(level, Transitions) && found_important {
// There can be at most one transition, and it will come at
// the end of the iterator. Stash it and apply it after