extendDescriptor

import { decorate } from './private/utils';

// WIP: prototypical, might not be working at all, needs additional work!
function findSuperDesc(superklass, key)
{
  let result;
  let supklass = superklass;
  while (supklass.prototype)
  {
    if (Object.hasOwnProperty(supklass, key))
    {
      result = supklass;
      break;
    }
    supklass = Object.getPrototypeOf(supklass);
  }
  return result;
}


function handleDescriptor(target, key, descriptor) {
  const superKlass = Object.getPrototypeOf(target);
  const superDesc = findSUperDesc(superKlass, key);
  
  return {
    ...superDesc,
    value: descriptor.value,
    initializer: descriptor.initializer,
    get: descriptor.get || superDesc.get,
    set: descriptor.set || superDesc.set
  };
}

export default function extendDescriptor(...args) {
  return decorate(handleDescriptor, args);
}