Lodash isEmpty

Returns true for:

• All primitives BUT string.
• Objects with no "enumerable string-keyed properties"
• Arrays with a length of 0

Returns false for:

• Arrays or strings with a length of >0
• Objects with any string-keyed properties

// true
_.isEmpty(true);

// false
_.isEmpty("hello");

// true
_.isEmpty(50);

// true
_.isEmpty(NaN);

// true
_.isEmpty(BigInt(50000000));

See Lodash documentation for this