react 代码片段

react-navigation

# 组合导航状态

import { StackNav, TabNav } from '../AppNavigator';
const stackAction = StackNav.router.getActionForPathAndParams('Root');
const stackState = StackNav.router.getStateForAction(stackAction);
const tabAction = TabNav.router.getActionForPathAndParams('main');
const initialNavState = TabNav.router.getStateForAction(tabAction, stackState);