julianitor

REPO="owner/repo"
DAYS=30

# macOS/BSD date: use -v for offsets
cutoff=$(date -u -v -"${DAYS}"d +"%Y-%m-%dT%H:%M:%SZ")

gh api --paginate "repos/$REPO/actions/artifacts" \
  -q '.artifacts[] | select(.expired==false) | {id: .id, name: .name, created_at: .created_at}' \
| jq -c --arg cutoff "$cutoff" '. | select(.created_at < $cutoff)' \
| jq -r '.id' \

julianitor

Backbone.Collection.prototype.saveAll = function(options) {
  return $.when.apply($, _.map(this.models, function(m) {
    return m.hasChanged() ? m.save(null, options).then(_.identity) : m;
  }));
};