Copy or deep clone a value to an arbitrary depth.
Return a partial object copy containing only specified keys.
Return a partial object copy excluding specified keys.
Map keys from one object to a new object having the same values.
Convert the first letter of each object key to uppercase.
Map values from one object to a new object having the same keys.
Convert the first letter of each object key to lowercase.
Convert each object key to lowercase.
Return a partial object copy excluding properties for which a predicate (function) returns a truthy value.
Return a partial object copy containing properties for which a predicate (function) returns a truthy value.
Convert each object key to uppercase.
