Redirect and Alias

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Redirect

Redirecting is also done in the routes configuration. To redirect from /home to /:

const routes = [{ path: '/home', redirect: '/' }]

The redirect can also be targeting a named route:

const routes = [{ path: '/home', redirect: { name: 'homepage' } }]

Or even use a function for dynamic redirecting:

const routes = [
  {
    // /search/screens -> /search?q=screens
    path: '/search/:searchText',
    redirect: to => {
      // the function receives the target route as the argument
      // we return a redirect path/location here.
      return { path: '/search', query: { q: to.params.searchText } }
    },
  },
  {
    path: '/search',
    // ...
  },
]

Note that Navigation Guards are not applied on the route that redirects, only on its target. e.g. In the above example, adding a beforeEnter guard to the /home route would not have any effect.

When writing a redirect, you can omit the component option because it is never directly reached so there is no component to render. The only exception are nested routes: if a route record has children and a redirect property, it should also have a component property.

Relative redirecting

It's also possible to redirect to a relative location:

const routes = [
  {
    // will always redirect /users/123/posts to /users/123/profile
    path: '/users/:id/posts',
    redirect: to => {
      // the function receives the target route as the argument
      // a relative location doesn't start with `/`
      // or { path: 'profile'}
      return 'profile'
    },
  },
]

Alias

A redirect means when the user visits /home, the URL will be replaced by /, and then matched as /. But what is an alias?

An alias of / as /home means when the user visits /home, the URL remains /home, but it will be matched as if the user is visiting /.

The above can be expressed in the route configuration as:

const routes = [{ path: '/', component: Homepage, alias: '/home' }]

An alias gives you the freedom to map a UI structure to an arbitrary URL, instead of being constrained by the configuration's nesting structure. Make the alias start with a / to make the path absolute in nested routes. You can even combine both and provide multiple aliases with an array:

const routes = [
  {
    path: '/users',
    component: UsersLayout,
    children: [
      // this will render the UserList for these 3 URLs
      // - /users
      // - /users/list
      // - /people
      { path: '', component: UserList, alias: ['/people', 'list'] },
    ],
  },
]

If your route has parameters, make sure to include them in any absolute alias:

const routes = [
  {
    path: '/users/:id',
    component: UsersByIdLayout,
    children: [
      // this will render the UserDetails for these 3 URLs
      // - /users/24
      // - /users/24/profile
      // - /24
      { path: 'profile', component: UserDetails, alias: ['/:id', ''] },
    ],
  },
]

Note about SEO: when using aliases, make sure to define canonical links.