kind-of
Get the native type of a value.
koalas
Coalesce for JavaScript. Returns the first value that is not undefined or null.
ts-type-detector
Takes any JavaScript data type or object as an input and returns a string describing the type of the input.
@sassify/type-of
Набор утилит (функций на языке CSS-препроцессора Sass) для определения типов данных