ASR-ASU

Thanks for your review. > We think the name should be onresize not onresized. Our onmounted event should have been named onmount and will need to be corrected in the...

For now, the application must define which field (`block_size` or `inlineSize`) corresponds to the `width` or the `height` of the observed component. Moving the special-casing logic to the `ts` could...