fix: ssr and code reduction

lib/templates/auth.middleware.js

@@ -1,29 +1,31 @@
 import middleware from './middleware'
 
-middleware.auth = function authMiddleware ({ route, redirect, store }) {
-  route.matched.some((currentRoute) => {
-    // Retriving Auth Guard status through route's component options.
-    const options = currentRoute.components.default.options
-    const guarded = options.guarded
+const isRouteGuarded = ({ route: { matched: m } }) =>
+  m.some(({ components: c }) => process.server
+    ? Object.values(c).some(({ _Ctor: _c }) =>
+      Object.values(_c).some(({ options: o }) => o && o.guarded)
+    )
+    : Object.values(c).some(o => o.options.guarded)
+  )
 
-    // Only apply the middleware to guarded routes
-    if (guarded) {
-      // Checking if guest redirection middleware is enabled
-    <% if (options.redirect.guest) { %>
-        // Guest is redirected back to login page
-        // and excluding redirected paths from hitting the middleware again.
-        if (!store.getters['auth/loggedIn'] && route.path !== '<%= options.redirect.notLoggedIn %>') {
-          return redirect('<%= options.redirect.notLoggedIn %>')
-        }
 
-        // Checking if user redirection middleware is enabled
-      <% } if (options.redirect.user) { %>
-        // Guest is redirected back to login page
-        // and excluding redirected paths from hitting the middleware again.
-        if (store.getters['auth/loggedIn'] && route.path !== '<%= options.redirect.loggedIn %>') {
-          return redirect('<%= options.redirect.loggedIn %>')
-        }
-      <% } %>
+middleware.auth = function(context) {
+  const { route: {path: p}, redirect: r, store: s } = context
+
+  // Registering guest and auth routes.
+  let guestRoute = '<%= options.redirect.notLoggedIn %>'
+  let authRoute = '<%= options.redirect.loggedIn %>'
+
+  // Retriving Auth Guard status through route's component options.
+  let g = isRouteGuarded(context)
+  // Apply the middleware to guarded routes
+  if (g) {
+    if (<%= options.redirect.guest %> && !s.getters['auth/loggedIn'] && guestRoute !== p) {
+      return r(guestRoute)
+    }
+
+    if (<% options.redirect.user %> && s.getters['auth/loggedIn'] && authRoute !== p) {
+      return r(authRoute)
     }
-  });
+  }
 }