permission.js

import { asyncRouterMap, constantRouterMap } from 'src/router';

function hasPermission(roles, route) {
  if (route.meta && route.meta.role) {
    return roles.some(role => route.meta.role.indexOf(role) >= 0)
  } else {
    return true
  }
}

const permission = {
  state: {
    routers: constantRouterMap,
    addRouters: []
  },

  mutations: {
    SET_ROUTERS: (state, routers) => {
      state.addRouters = routers;
      state.routers = constantRouterMap.concat(routers);
    }
  },

  actions: {
    // s
    GenerateRoutes({ commit }, data) {
      const { roles } = data;
      const accessedRouters = asyncRouterMap.filter(v => {
        if (roles.indexOf('admin') >= 0) return true;
        if (hasPermission(roles, v)) {
          if (v.children && v.children.length > 0) {
            v.children = v.children.filter(child => {
              if (hasPermission(roles, child)) {
                return child
              }
              return false;
            });
            return v
          } else {
            return v
          }
        }
        return false;
      });
      commit('SET_ROUTERS', accessedRouters);
    }
  }
};


export default permission;