LibWeb: Invalidate sheet owners after mutating cssText of its rules

This fixes one source of flakiness on WPT (of many) where we wouldn't recompute style after programmatically altering the contents of a style sheet, but instead had to wait for something else to cause invalidation.
Author: https://github.com/awesomekling Commit: 2aa6d7636c Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4332 Reviewed-by: https://github.com/tcl3 ✅
2025-08-23 10:50:49 +00:00 · 2025-04-12 11:44:41 +02:00 · 2025-04-12 11:44:41 +02:00 · 2aa6d7636c · 2025-04-12 13:16:55 +00:00
commit 2aa6d7636c
parent 6db20a9453
4 changed files with 681 additions and 0 deletions
--- a/Libraries/LibWeb/DOM/Node.h
+++ b/Libraries/LibWeb/DOM/Node.h
@ -53,6 +53,7 @@ enum class ShouldComputeRole {
    X(AdoptedStyleSheetsList)                       \
    X(CSSFontLoaded)                                \
    X(CSSImportRule)                                \
+    X(CSSStylePropertiesTextChange)                 \
    X(CustomElementStateChange)                     \
    X(DidLoseFocus)                                 \
    X(DidReceiveFocus)                              \