Russell Bicknell

Update the polyfills; fix a type generation error.

2

- [x] https://github.com/webcomponents/polyfills/pull/235, polyfills release, and a version bump here. - [x] https://github.com/webcomponents/polyfills/pull/244, polyfills release, and a version bump here. `base = class extends base {};` causes a type `declare...

Symbols should be allowed as Event types.

18

This prevents the need to use a namespacing scheme or filter out similarly named events in the listeners themselves. Components generating particular events could instead expose symbols on their constructor...

Should adoptedStyleSheets be ordered before other style sheets in the tree, instead of after?

24

From https://wicg.github.io/construct-stylesheets/#using-constructed-stylesheets: > The user agent must include all style sheets in the DocumentOrShadowRoot's adopted stylesheets inside its document or shadow root CSS style sheets. > > These adopted stylesheets...

`vscode-web-custom-data` has been deprecated and replaced by `@vscode/web-custom-data`.

This PR adds TypeScript 4.8 to the set of TypeScript versions that are tested. TypeScript 4.8 has a breaking change to the AST where the `.decorators` property has been deprecated...

[scoped-custom-element-registry] Add basic jsdom tests

4

jsdom currently has a bug where it reads the global custom elements registry by looking through the sandbox-facing `customElements` property of its global object. This means that scripts running in...

Migrate the `formdata` event polyfill's tests to WTR.

2

This PR is very similar to #509. That PR already set up WTR within the repo and this package doesn't have anything fancy going on in its tests, so this...