hi.js

const { removed, added, ordered, pureChanged, list } = result;

removed.forEach(index => {
  inst.remove(index);
});
ordered.forEach(([from, to], i) => {
  inst.remove(from);
  inst.insert(to, list[pureChanged[i][1]]);
});
added.forEach(index => {
  inst.insert(index, list[index]);
});