define-property
Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.
own-keys
Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible
serializerr
Convert Errors & Objects into an easily-serialized vanilla Object.
for-each-property
Executes a callback for each property found on a object, with options regarding enumerability (enumerable or non-enumerable) and ownership (inherited or only own properties). It excludes built-in properties from Object and Function prototypes by default,