Intent to Ship: URLPattern ignoreCase
Ben Kelly
Contact emails
wande...@chromium.orgExplainer
https://github.com/WICG/urlpattern/issues/148#issuecomment-965193134Specification
https://github.com/WICG/urlpattern/pull/168Summary
Many client-side JavaScript frameworks currently use case insensitive URL matching. URLPattern, however, follows URL semantics and treats many parts of the URL as case sensitive. This feature adds an `ignoreCase` option to the URLPattern that switches all matching operations to case insensitive for that given pattern.
Blink component
Blink>URLPatternTAG review
This is a very small addition to an existing API. I added a comment to the previous TAG review, but did not open a new TAG review for it. See: https://github.com/w3ctag/design-reviews/issues/417#issuecomment-1261039149TAG review status
Not applicableRisks
Interoperability and Compatibility
The addition of the options dictionary argument is backward compatible. There should not be any web compat risk. No other browser has implemented URLPattern yet, so there is no interop risk. The polyfill has an open pull request to add the feature to it as well.
Gecko: No signal (https://github.com/mozilla/standards-positions/issues/566#issuecomment-1261037497)
WebKit: No signal (https://github.com/WebKit/standards-positions/issues/61#issuecomment-1261037755)
Web developers: Positive (https://github.com/WICG/urlpattern/issues/148#issue-1049642081) This was a web developer community request and the spec/polyfill changes were contributed by an external web developer.
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?
This is a small addition that is wholly contained within blink. It should not pose any webview risk.
Debuggability
This is a small change to an existing API and does not require any devtools enhancements.
Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?
YesIs this feature fully tested by web-platform-tests?
YesFlag name
Requires code in //chrome?
FalseTracking bug
https://bugs.chromium.org/p/chromium/issues/detail?id=1345036Estimated milestones
| DevTrial on desktop | 107 |
| DevTrial on Android | 107 |
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).
The spec changes have already landed. See: https://github.com/WICG/urlpattern/pull/168 https://github.com/WICG/urlpattern/pull/169Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5206436850696192Links to previous Intent discussions
Intent to prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAK7rkMiXMaBM6%2Bi_g4suZK6Vvf_-SmAhRmkuNBji7eWPtV5bnw%40mail.gmail.com
Philip Jägenstedt
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Chris Harrelson
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Yoav Weiss
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