A vacuous value carries no content, whatever its nesting: {}, [], { address: {} } and [{}] all qualify. A
field holding a vacuous value is equivalent to an omitted field.
Parameters
value: unknown
The value to check
Returns boolean
True if value is undefined, or an array or plain object whose elements or entries are all vacuous; false
otherwise
Checks if a value is vacuous.
A vacuous value carries no content, whatever its nesting:
{},[],{ address: {} }and[{}]all qualify. A field holding a vacuous value is equivalent to an omitted field.