find object values and arrays -> shallow object

generator-object-values-keys.js

function* objectEntries(obj, findKeys = false) {
    let keys = Reflect.ownKeys(obj);

    if(findKeys) {
      yield keys;
    } else {
      for (let key of keys) {
        yield [key, obj[key]];
      }
    }
  }

  objectEntries({one: 'this is a string', two: 'this is another string'}, true).next();