New javascript generator example

ObjectArray.js

/**
 * Helpers for breaking objects into arrays
 */

// returns a generator of the objects keys
export function *generateKeys(obj) {
  let prop;
  for (prop of obj) {
    yield prop;
  }
}

// returns a generator of the objects values
export function *generateValues(obj) {
  let prop;
  for (prop in obj) {
    yield obj[prop];
  }
}

// returns an array of the objects keys
export function objKeys(obj) {
  return Array.from(generateKeys(obj));
}

// returns an array of the objects values
export function objValues(obj) {
  return Array.from(generateValues(obj));
}