Scala.js: Various JS interop fixes#9763

Closed

sjrd wants to merge 13 commits intoscala:masterfrom

sjrd:sjs-value-classes

Commits on Sep 7, 2020

Do not copy annotations from a class to its synthetic companion object.
sjrd
committed

Commits on Sep 8, 2020

Scala.js: Implement the PrepJSInterop phase, minus exports handling.
sjrd
committed