vue beforeRouteUpdate not working code example

Example: beforeRouteUpdate not Working with sharing routes

function beforeEnter (to, from, next) {
  // do things
  next()
}

export default {
 beforeRouteEnter (to, from, next) {
   beforeEnter(to, from, next)
  },

 beforeRouteUpdate (to, from, next) {
   beforeEnter(to, from, next)
  }
}