early js/html liked to do something in all cases instead of throwing or whatever. I think it's mostly just a collection of them trying to do something smart on nonsense input and not being consistent about it.
side note, I'm so excited for Temporal, some browsers already support it and you can polyfill for the rest.
I'm not sure if I understand why. I like snapshot testing, but I'm not sure what you gain from using this dsl approach instead of a snapshot library and a more typical test framework, but there are some notable downsides: