ES6 Zip functions: zipShort and zipLong

zip.js

function _zip(func, args) {
  const iterators = args.map(arr => arr[Symbol.iterator]());
  let iterateInstances = iterators.map((i) => i.next());
  ret = []
  while(iterateInstances[func](it => !it.done)) {
    ret.push(iterateInstances.map(it => it.value));
    iterateInstances = iterators.map((i) => i.next());
  }
  return ret;
}

const zipShort = (...args) => _zip('every', args);

const zipLong = (...args) => _zip('some', args);

zipShort([1,2,3], [4,5,6, 7])
// [ 
//  [ 1, 4 ],
//  [ 2, 5 ],
//  [ 3, 6 ] ]
zipLong([1,2,3], [4,5,6, 7])
// [
//  [ 1, 4 ],
//  [ 2, 5 ],
//  [ 3, 6 ],
//  [ undefined, 7 ]]

Very useful for array manipulation, just wanted to ask if there is a way we can pass a value to fill in place of undefined in case of zipLong ?

Just my 5 cent if i need to know while coding that i need Long or Short then this does not help a lot as if i would have 2 arrays that i want to zip i would always need to check if the length matches when i do that i can directly slice 2 identical long arrays and even fill.

so https://gist.github.com/renaudtertrais/25fc5a2e64fe5d0e86894094c6989e10 is better when you need to add checks anyway.