ssr

What problem does this feature solve?

Example use case:
A static generated app with thousands of routes, like an e-commerce having a route for each product.
Apart from scheduling nuxt generate to run periodically and generate all static and dynamic routes, it would be nice to have the possibility to generate the static files for a single route, for example in a hook when the related ba

Describe the bug
When createUploaderComponent has been created, emits specification only described the usage as an array (eg. ['update:label', 'change']), later on they added the ability to provide an object for stricter type checking and validation, very much like props.
Currently createUploaderComponent only supports emits as an array and props as an object

**Codepen/jsFid

Stencil version:

 @stencil/core@2.6.0

I'm submitting a:
[X ] bug report
[ ] feature request
[ ] support request => Please do not submit support requests here, use one of these channels: https://stencil-worldwide.herokuapp.com/ or https://forum.ionicframework.com/

Current behavior:
The output target dist-custom-elements-bundle does not attachShadow with delegatesF

"Babel 7.8.0 supports the new ECMAScript 2020 features by default: you don't need to enable individual plugins for nullish coalescing (??), optional chaining (?.) and dynamic import() anymore with preset-env." - https://babeljs.io/blog/2020/01/11/7.8.0

We should update zero to latest babel and add an integration test for these features. I think the right change will be [here](https://gith

https://emotion.sh/

After this change in Material UI: mui-org/material-ui#6115