@stdlib/assert-is-leap-year (npm): Test if a value corresponds to a leap year in the Gregorian calendar.
Keywords: stdlib|stdassert|assertion|assert|utilities|utility|utils|util|date|year|yr|leap|leap-year|gregorian|calendar|time|is|isleap|isleapyear|type|check|valid|validate|test|isvalid|javascript|node|node-js|nodejs