Method run

resources/vega-lite.min.js:10054–10073

(e)

  }
  class Hd extends Ed {
    run(e) {
      const t = e.children.filter((e) => e instanceof Sd),
        n = {};
      for (const e of t) {
        const t = d(e.groupBy);
        (t in n || (n[t] = []), n[t].push(e));
      }
      for (const t of D(n)) {
        const i = n[t];
        if (i.length > 1) {
          const t = i.pop();
          for (const n of i)
            t.merge(n) &&
              (e.removeChild(n),
              (n.parent = t),
              n.remove(),
              this.setModified());
        }
      }
    }
  }
  class Gd extends Ed {
    constructor(e) {