clone object

clone.ts

function shallowCopy<T>(origin: T): T {
  return Object.assign(
    Object.create(Object.getPrototypeOf(origin)),
    origin
  )
}
 
function shallowCopy2<T>(origin: T): T {
  const obj = { ...origin };
  Object.setPrototypeOf(obj, (origin as Object).constructor.prototype);
  return obj;
}