JS Iterator comparison

compare.js

const Iterators = {
  compare(left, right) {
    const leftIterator = left[Symbol.iterator](), rightIterator = right[Symbol.iterator]();


    while (true) {
      const {done: leftDone, value: leftValue} = leftIterator.next();
      const {done: rightDone, value: rightValue} = rightIterator.next();

      if (leftValue !== rightValue || leftDone !== rightDone) {
        return false;
      } else if (leftDone && rightDone) {
        return true;
      }
    }
  }
};