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LibWeb: Treat null as empty string in CSSStyleDeclaration::internal_set

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Spec defines `[LegacyNullToEmptyString]` on `value` argument of
`setProperty` but since `internal_set` calls `setProperty` directly
instead of using IDL generated binding, we need to make sure that null
is treated as empty string.

Fixes items grid loading on https://d.rsms.me/stuff/
This commit is contained in:
Aliaksandr Kalenik 2024-01-21 20:00:52 +01:00 • committed by Andreas Kling
parent e9e1ee11d4
commit 7e2308d290
3 changed files with 19 additions and 1 deletions
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9
Tests/LibWeb/Layout/input/misc/set-display-null.html Normal file
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@ -0,0 +1,9 @@
<!DOCTYPE html><style>
#box {
width: 100px;
height: 100px;
background-color: magenta;
}
</style><body><div id="box"></div></body><script>
document.getElementById("box").style.display = "none";
document.getElementById("box").style.display = null;</script>