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URLPattern ignoreCase

Category

Miscellaneous

Type

Chromium catches up

Status

Enabled by default (Chrome 107)

Intent stage

Shipped

Summary

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.

Motivation

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.

Standards & signals

• Specification: https://github.com/WICG/urlpattern/pull/168
• Firefox: Positive
• Safari: Support
• Web developers: Positive — This was a web developer community request and the spec/polyfill changes were contributed by an external web developer.
• Tracking bug: https://bugs.chromium.org/p/chromium/issues/detail?id=1345036

Explainers: https://github.com/WICG/urlpattern/issues/148#issuecomment-965193134

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