Function annotate

docs/tests/v2/es6/js/sanddance.js:137508–137516

(op, name, type)

  function annotate(op, name, type) {
    var data, list;

    if (op) {
      data = op.data || (op.data = {});
      list = data[name] || (data[name] = []);
      list.push(type);
    }
  }

  for (name in this.data) {
    ds = this.data[name];