REPL URI should include compiler options about sites HOT 2 OPEN

FWIW, none of the compiler options will affect the bundled output that is actually run (and thus will not affect the behavior of the component). They only affect what's displayed in the compiled js output box. Having something that doesn't affect the behavior of the REPL example at all encoded in the url might be confusing.

from sites.

When it comes to sharability, however, people might want to share the difference in the code produced with different options set.

You can imagine a discussion where someone says 'oh look at the code svelte produces with x option' and uses a link to share an example.

from sites.