This is an awesome improvement to the testing story, thank you very much.
LGTM1
On 6/23/25 8:18 a.m., Daniil Sakhapov wrote:
I've added a bunch of what you've requested in
https://wpt.fyi/results/css/css-values/typed_arithmetic.html
I plan to add more tests for custom properties as well.
вторник, 17 июня 2025 г. в 20:51:00 UTC+2, Mike Taylor:
On 6/16/25 8:13 AM, Chromestatus wrote:
Contact emails
sakha...@chromium.org
Explainer
None
Specification
https://www.w3.org/TR/css-values-4/#calc-type-checking
<https://www.w3.org/TR/css-values-4/#calc-type-checking>
Summary
Typed arithmetic allows to write expressions in CSS such a
calc(10em / 1px) or calc(20% / 0.5em * 1px) which is useful for
e.g. typography, as it allows to convert typed value into an
untyped one and reuse it for number accepting properties or
futher multiply the unitless value by some other type to e.g.
cast from pixels to degrees.
Blink component
Blink>CSS
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22>
TAG review
None
TAG review status
Not applicable
Risks
Interoperability and Compatibility
None
/Gecko/: No signal
(https://github.com/mozilla/standards-positions/issues/1252
<https://github.com/mozilla/standards-positions/issues/1252>)
/WebKit/: Shipped/Shipping
/Web developers/: Strongly positive Verbal confirmation from
multiple developers that they really need it
/Other signals/:
WebView application risks
Does this intent deprecate or change behavior of existing APIs,
such that it has potentially high risk for Android WebView-based
applications?
None
Debuggability
None
Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, ChromeOS, Android, and Android
WebView)?
Yes
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
Yes
https://wpt.fyi/css/css-values/getComputedStyle-calc-mixed-units-003.html
<https://wpt.fyi/css/css-values/getComputedStyle-calc-mixed-units-003.html>
Do you have plans to add more tests here? There's a number of
types that aren't tested, and no coverage of infinities, NaN, or
signed zeroes.
Flag name on about://flags
CSSTypedArithmetic
Finch feature name
None
Non-finch justification
None
Rollout plan
Will ship enabled for all users
Requires code in //chrome?
False
Tracking bug
https://issues.chromium.org/issues/40768696
<https://issues.chromium.org/issues/40768696>
Estimated milestones
DevTrial on desktop 138
DevTrial on Android 138
Anticipated spec changes
Open questions about a feature may be a source of future web
compat or interop issues. Please list open issues (e.g. links to
known github issues in the project for the feature specification)
whose resolution may introduce web compat/interop risk (e.g.,
changing to naming or structure of the API in a
non-backward-compatible way).
None
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/4740780497043456?gate=5654265095520256
<https://chromestatus.com/feature/4740780497043456?gate=5654265095520256>
This intent message was generated by Chrome Platform Status
<https://chromestatus.com>.
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