Method assembleLayoutSignals

resources/vega-lite.min.js:13401–13405

()

      return (this.children.forEach((e) => e.assembleSignals()), []);
    }
    assembleLayoutSignals() {
      const e = Wf(this);
      for (const t of this.children) e.push(...t.assembleLayoutSignals());
      return e;
    }
    assembleSelectionData(e) {
      return this.children.reduce((e, t) => t.assembleSelectionData(e), e);
    }