Sebastian "Sebbie" Silbermann

Results 143 issues of Sebastian "Sebbie" Silbermann

Docs for https://github.com/testing-library/dom-testing-library/pull/1221 [Rendered preview](https://deploy-preview-1231--testing-library.netlify.app/docs/queries/byrole#disabled)

Docs for the initial release of [Web Testing Library](https://github.com/testing-library/web-testing-library). `waitFor` API is implemented in https://github.com/testing-library/web-testing-library/pull/2. The name is born out of pragmatism. A preciser name would be "Web-interoperable runtimes Testing...

Continuation of https://github.com/validator/validator/issues/1433 URL being validated or code to reproduce error: ```html Test ``` The above code produces "Info: Trailing slash on void elements has no effect and interacts badly...

Stacked on https://github.com/facebook/react/pull/28467 ## Summary We used to always return the value that was passed into `useDeferredValue` in `react-debug-tools`. This could cause your component to behave differently when it was...

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Based on https://github.com/facebook/react/pull/28467 Assumes that we always have wrapper -> dispatcher calls in built-in hooks e.g. `useFormStatus -> dispatcher.useHostTransitionStatus` and gets the hook name from the wrapper function name i.e....

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React 19

Feature: https://github.com/facebook/react/pull/24580

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React 19

## Summary Instead of walking up the fiber tree to fill context values from the provider values we now move a cursor along the context dependencies whenever we read context....

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React Core Team
React 19

Stacked on [#27883](https://github.com/facebook/react/pull/27883) ([Diff against #27883](https://github.com/facebook/react/compare/eps1lon:test/attribute-behavior...eps1lon:feat/inert)) Implementation alternates: 1. 78f1ad60b830065329e4383d23afb1dd2ddc2378 2. 78391f0872583611dcb94f958815f5e43ae4c094 3. 1e928d831fe143d1ae3e5a2d88cdac8b27fbdcc1 3 leverages fallthroughs more but requires dropping the default case in favor of early return. I...

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## Summary Closes https://github.com/facebook/react/issues/24740 Adds support for the experimental `hidden="until-found"` as well as the correspondig TODO `onBeforeMatch` event handler. Keep in mind that these new browser APIs are only implemented...

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Resolution: Stale

## Summary Closes https://github.com/facebook/react/issues/27479 Alternate to https://github.com/facebook/react/pull/27480 This includes support for `popover`, `popoverTarget`, `popoverTargetAction`, `onToggle` and `onBeforeToggle`. The events are only triggered for elements that have a `popover` prop matching...

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React Core Team