Function insertElement

client/app/scripts/utils/array-utils.js:14–16

(array, index, element)

}

export function insertElement(array, index, element) {
  return array.slice(0, index).concat([element], array.slice(index));
}

export function removeElement(array, index) {
  return array.slice(0, index).concat(array.slice(index + 1));