js-fns/zip/index.mjs

Modern JavaScript utility library focused on the build size

/**
 * Creates an array with elements present in all given arrays.
 *
 * @param arrays - The array of arrays of elements to get elements from
 * @returns An array with elements present in all given arrays
 *
 * @public
 */

/**
 * @internal
 */
export default function zip() {
  for (
    var _len = arguments.length, arrays = new Array(_len), _key = 0;
    _key < _len;
    _key++
  ) {
    arrays[_key] = arguments[_key]
  }

  if (arrays.length === 0) {
    return arrays
  }

  var longestArrayLength = arrays.slice().sort(function (a, b) {
    return b.length - a.length
  })[0].length
  var result = []

  for (var i = 0; i < longestArrayLength; i++) {
    var arr = []

    for (var j = 0; j < arrays.length; j++) {
      var element = arrays[j][i]
      arr.push(element)
    }

    result.push(arr)
  }

  return result
}