Get object except some properties

exceptAge.js

const obj = {
  a: {id: 'aa', name: 'aaa', age: 1},
  b: {id: 'bb', name: 'bbb', age: 2},
  c: {id: 'cc', name: 'ccc', age: 3},
}

// get object except 'age' property
const exceptAge = ({ age, ...rest }) => rest;

R.map(exceptAge, obj);

// {
//   "a": {"id": "aa", "name": "aaa"},
//   "b": {"id": "bb", "name": "bbb"},
//   "c": {"id": "cc", "name": "ccc"}
// }