过滤vue路由

[xiaqijian]

// tools.js

/**
 * 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.role) {
      return roles.some(role => route.meta.role.indexOf(role) >= 0)
    } 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 {Array} asyncRouterMap
   * @param {Array} roles 
   */
export const filterAsyncRouter = (asyncRouterMap, roles) => {
    const accessedRouters = asyncRouterMap.filter(route => {
      if (hasPermission(roles, route)) {
        if (route.children && route.children.length) {
          route.children = filterAsyncRouter(route.children, roles)
        }
        return true
      }
      return false
    })
    return accessedRouters
  }