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script: Convert CSS from a IDL interface with static methods to a namespace (#38579)

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This change updates our implementation to match the spec. Per
https://drafts.csswg.org/cssom/#issue-24739c22 this is observable.

Testing: Covered by existing web platform tests.

---------

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
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Simon Wülker 2025-08-10 05:35:25 +02:00 • committed by GitHub
parent 7ff8724eaf
commit a60b53eded
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2 changed files with 24 additions and 21 deletions
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36
components/script_bindings/webidls/CSS.webidl
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@ -3,22 +3,34 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
/*
* The origin of this IDL file is
* http://dev.w3.org/csswg/cssom/#the-css-interface
* https://drafts.csswg.org/cssom/#namespacedef-css
*/
[Abstract, Exposed=Window]
interface CSS {
[Throws]
static DOMString escape(DOMString ident);
// https://drafts.csswg.org/cssom/#the-css.escape()-method
[Exposed=Window]
namespace CSS {
[Throws] CSSOMString escape(CSSOMString ident);
};
// https://drafts.csswg.org/css-conditional-3/#the-css-interface
partial interface CSS {
static boolean supports(DOMString property, DOMString value);
static boolean supports(DOMString conditionText);
// https://drafts.csswg.org/css-conditional-3/#dom-css-supports
partial namespace CSS {
boolean supports(CSSOMString property, CSSOMString value);
boolean supports(CSSOMString conditionText);
};
// https://drafts.css-houdini.org/css-paint-api-1/#paint-worklet
partial interface CSS {
[SameObject, Pref="dom_worklet_enabled"] static readonly attribute Worklet paintWorklet;
// https://drafts.css-houdini.org/css-paint-api/#dom-css-paintworklet
partial namespace CSS {
[SameObject, Pref="dom_worklet_enabled"] readonly attribute Worklet paintWorklet;
};
// https://drafts.css-houdini.org/css-properties-values-api/#the-registerproperty-function
// dictionary PropertyDefinition {
// required DOMString name;
// DOMString syntax = "*";
// required boolean inherits;
// DOMString initialValue;
// };
// partial namespace CSS {
// undefined registerProperty(PropertyDefinition definition);
// };

9
tests/wpt/meta/css/cssom/idlharness.html.ini vendored
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@ -374,15 +374,6 @@
[CSS namespace: [[Prototype\]\] is Object.prototype]
expected: FAIL
[CSS namespace: typeof is "object"]
expected: FAIL
[CSS namespace: has no name property]
expected: FAIL
[CSS namespace: has no length property]
expected: FAIL
[MathMLElement interface: attribute style]
expected: FAIL