Method getNodeDepths

resources/vega-lite.min.js:9929–9933

(e, t, n)

  }
  class Ed extends jd {
    getNodeDepths(e, t, n) {
      n.set(e, t);
      for (const i of e.children) this.getNodeDepths(i, t + 1, n);
      return n;
    }
    optimize(e) {
      const t = [...this.getNodeDepths(e, 0, new Map()).entries()].sort(
        (e, t) => t[1] - e[1],