javascript - Update an object with matching properties and ignore new properties

Question

I'm using Typescript and I would like to update an object with another, only on the matching keys.

// Destination
objectOne = {
  a: 0,
  b: 0,
};

// Source
objectTwo = {
  a: 1,
  b: 1,
  c: 1,
};

// Expected
result = {
  a: 1,
  b: 1,
};

// Current solution
const current = {};
Object.keys(objectTwo).forEach(key => key in objectOne ? current[key] = objectTwo[key] : null);

console.log(current);

Answer 1

After a while without answers, it seems the shortest solution is the one I provided myself :

Object.keys(newObj).forEach(key => key in oldObj? result[key] = newObj[key] : null)