Function deepClone

deepClone(obj, predicate?): any
Deep clones an object
Parameters
- obj: any
  The object to clone
- Optionalpredicate: deepClonePredicate
  A function that can be used to skip certain properties from being cloned
Returns any
The cloned object
Example
```
const clone = deepClone(obj, (owner, propertyName, current) => {
   if (propertyName === "dontCloneMe") return false;
  return true;
});
```