Function interleave

packages/compiler/src/expression_parser/serializer.ts:201–210

* Interleaves the two arrays, starting with the first item on the left, then the first item * on the right, second item from the left, and so on. When the first array's items are exhausted, * the remaining items from the other array are included with no interleaving.

(left: Left[], right: Right[])

 * the remaining items from the other array are included with no interleaving.
 */
function interleave<Left, Right>(left: Left[], right: Right[]): Array<Left | Right> {
  const result: Array<Left | Right> = [];

  for (let index = 0; index < Math.max(left.length, right.length); index++) {
    if (index < left.length) result.push(left[index]);
    if (index < right.length) result.push(right[index]);
  }

  return result;
}