text: import { asyncRoutes, constantRoutes } from '@/router'
  
  /**
   * 通过meta.role判断是否与当前用户权限匹配
   * @param roles
   * @param route
   */
  function hasPermission(roles, route) {
    if (route.meta && route.meta.roles) {
      return roles.some(role => route.meta.roles.includes(role))
    } else {
      return true
    }
  }
  
  /**
   * 递归过滤异步路由表，返回符合用户角色权限的路由表
   * @param routes asyncRoutes
   * @param roles
   */
  export function filterAsyncRoutes(routes, roles) {
    const res = []
  
    routes.forEach(route => {
      const tmp = { ...route }
      if (hasPermission(roles, tmp)) {
        if (tmp.children) {
          tmp.children = filterAsyncRoutes(tmp.children, roles)
        }
        res.push(tmp)
      }
    })
  
    return res
  }
  
  const permission = {
    state: {
      routes: [],
      addRoutes: []
    },
    mutations: {
      SET_ROUTES: (state, routes) => {
        state.addRoutes = routes
        state.routes = constantRoutes.concat(routes)
      }
    },
    actions: {
      GenerateRoutes({ commit }, data) {
        return new Promise(resolve => {
          const { roles } = data
          // let accessedRoutes
          // if (roles.includes('admin')) {
          //   accessedRoutes = asyncRoutes
          // } else {
          //   accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
          // }
          const accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
  
          commit('SET_ROUTES', accessedRoutes)
          resolve(accessedRoutes)
        })
      }
    }
  }
  
  export default permission
  