lit/lit v0.13.0 on GitHub

[Breaking] Directives are now defined by passing the entire directive factory function to directive(). (#562)

Fix issue on obscure browsers that do not accept event listener objects by using callback as event part listener (#581)
Fix KeyFn and ItemTemplate types (#570)
Don't use export * to workaround rollup bug (#556)
eventContext is no longer used as the this value for event listener objects (object with a handleEvent method), as the object itself is supposed to be the this value. (#576)