A single class-list entry that may appear in a class tree. Recursive so
arrays of arrays can be composed freely (e.g. defaults ++ overrides), and
undefined | null | false are permitted so callers can pass through
optional class props without a ?? "" dance.
A single class-list entry that may appear in a class tree. Recursive so arrays of arrays can be composed freely (e.g. defaults ++ overrides), and
undefined | null | falseare permitted so callers can pass through optional class props without a?? ""dance.