Justin Fagnani

[lit-html] Attribute templates

6

We have several use cases for "attribute templates". These are templates that contain attribute-position bindings like attributes, properties, boolean attributes and other element bindings, but don't contain a tag name....

[labs/observers] WIP: try removing initial update from ResizeController

6

We're getting questions about why ResizeController causes two consecutive host updates. It seems like ResizeObservers already call the observer callback unconditionally, so our code to do that as well made...

### Should this be an RFC? - [X] This is not a substantial change ### Which package is this a feature request for? Lit Core (lit / lit-html / lit-element...

[all] Lit 3.0 prereleases

3

I think this is a list of what we need to do to make the first 3.0 pre-releases: - [x] Release webcomponents polyfills with `toggleAttribute()` support - [x] Update and...

### Which package(s) are affected? Lit Core (lit / lit-html / lit-element / reactive-element) ### Description `changeProperties` passed to `update()`, etc., can return `undefined` from `changeProperties.get()` even if a reactive...

Could new maintainers be added to the project so that PRs could be accepted and new versions published to npm?

It would be very useful for code that runs in browsers and Node to have this package available as standard JS modules. I realize that the package seems unmaintained at...

See: https://github.com/microsoft/playwright/issues/7288

Lit was using an old prerelease version that was not picking up bug fixes.

docs: Proxy usage is undocumented

3

### Area of Improvement I'm a newcomer trying to find out why tRPC uses Proxies, and I don't see ay information on that in the docs or in jsdoc comments...