react-native-navigation/src/Mock/Layouts/StackNode.ts

React Native Navigation - truly native navigation for iOS and Android

import ParentNode from './ParentNode';

export default class StackNode extends ParentNode {
  constructor(layout: any, parentNode?: ParentNode) {
    super(layout, 'Stack', parentNode);
  }

  getVisibleLayout() {
    return this.children[this.children.length - 1].getVisibleLayout();
  }
}