zip two js arrays

array_zip.js

static zip(array1, array2) {
    if (!array1 || !array2) return [];
    const l1 = array1.length;
    const l2 = array2.length;
    const minLen = l1 < l2 ? l1 : l2;
    const minIndex = minLen > 0 ? minLen - 1 : minLen;
    const array1sliced = array1.slice(0, minIndex);
    const array2sliced = array2.slice(0, minIndex);
    return array1sliced.map((item1, index) => [item1, array2sliced[index]]);
  }