@alexaegis/advent-of-code-lib/set.js

Advent of Code Library

const addAllToSet = (items, set = /* @__PURE__ */ new Set()) => {
  for (const item of items) {
    set.add(item);
  }
  return set;
};
Set.prototype.valueArray = function() {
  return [...this.values()];
};
Set.prototype.addAll = function(items) {
  return addAllToSet(items, this);
};
Set.prototype.flip = function(item) {
  const hasItem = this.has(item);
  if (hasItem) {
    this.delete(item);
  } else {
    this.add(item);
  }
  return !hasItem;
};
export {
  addAllToSet
};