script: Implement deprecated CSSStyleSheet members (#36313)

Implements `rules`, `addRule()` and `removeRule()` for `CSSStyleSheet`.
https://drafts.csswg.org/cssom/#legacy-css-style-sheet-members

This is part of #36162

Testing:
- `/css/css-cascade/at-scope-parsing.html`
- `/css/css-conditional/at-supports-whitespace.html`
- `/css/css-nesting/invalidation-004.html`
- `/css/css-nesting/parsing.html`
- `/css/css-nesting/serialize-group-rules-with-decls.html`
- `/css/css-syntax/custom-property-rule-ambiguity.html`
- `/css/css-syntax/invalid-nested-rules.html`
- `/css/css-syntax/trailing-braces.html`
- `/css/css-syntax/var-with-blocks.html`
- `/css/css-transitions/parsing/starting-style-parsing.html`
- `/css/cssom/CSSStyleSheet.html`
- `/css/cssom/idlharness.html`
- `/css/cssom/insertRule-across-context.html`

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Oriol Brufau 2025-04-03 08:56:47 -07:00 committed by GitHub
parent 9d6e1f67fb
commit f29c182929
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15 changed files with 57 additions and 309 deletions

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@ -1,48 +0,0 @@
[at-supports-whitespace.html]
[@supports ((a)) {}]
expected: FAIL
[@supports ((a) ) {}]
expected: FAIL
[@supports ( (a)) {}]
expected: FAIL
[@supports ( (a) ) {}]
expected: FAIL
[@supports (not (a)) {}]
expected: FAIL
[@supports (not (a) ) {}]
expected: FAIL
[@supports ( not (a)) {}]
expected: FAIL
[@supports ( not (a) ) {}]
expected: FAIL
[@supports ((a) and (b)) {}]
expected: FAIL
[@supports ((a) and (b) ) {}]
expected: FAIL
[@supports ( (a) and (b)) {}]
expected: FAIL
[@supports ( (a) and (b) ) {}]
expected: FAIL
[@supports ((a) or (b)) {}]
expected: FAIL
[@supports ((a) or (b) ) {}]
expected: FAIL
[@supports ( (a) or (b)) {}]
expected: FAIL
[@supports ( (a) or (b) ) {}]
expected: FAIL