Function updateList

src/List.js:459–505

(list, index, value)

}

function updateList(list, index, value) {
  index = wrapIndex(list, index);

  if (index !== index) {
    return list;
  }

  if (index >= list.size || index < 0) {
    return list.withMutations((list) => {
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      index < 0
        ? setListBounds(list, index).set(0, value)
        : setListBounds(list, 0, index + 1).set(index, value);
    });
  }

  index += list._origin;

  let newTail = list._tail;
  let newRoot = list._root;
  const didAlter = MakeRef();
  if (index >= getTailOffset(list._capacity)) {
    newTail = updateVNode(newTail, list.__ownerID, 0, index, value, didAlter);
  } else {
    newRoot = updateVNode(
      newRoot,
      list.__ownerID,
      list._level,
      index,
      value,
      didAlter
    );
  }

  if (!didAlter.value) {
    return list;
  }

  if (list.__ownerID) {
    list._root = newRoot;
    list._tail = newTail;
    list.__hash = undefined;
    list.__altered = true;
    return list;
  }
  return makeList(list._origin, list._capacity, list._level, newRoot, newTail);
}

function updateVNode(node, ownerID, level, index, value, didAlter) {
  const idx = (index >>> level) & MASK;