Add extendRoutes option

lib/build/index.js

@@ -184,6 +184,10 @@ function * generateRoutesAndFiles () {
   }
   // Format routes for the lib/app/router.js template
   templateVars.router.routes = createRoutes(files, this.srcDir)
+  if (typeof this.options.router.extendRoutes === 'function') {
+    // let the user extend the routes
+    this.options.router.extendRoutes(templateVars.router.routes)
+  }
   if (layoutsFiles.includes('layouts/error.vue')) {
     templateVars.components.ErrorPage = r(this.srcDir, 'layouts/error.vue')
   }

lib/nuxt.js

@@ -19,10 +19,6 @@ class Nuxt {
 
   constructor (options = {}) {
     var defaults = {
-      // special options
-      _renderer: true,
-      _build: true,
-      // general options
       dev: true,
       env: {},
       head: {},
@@ -41,7 +37,8 @@ class Nuxt {
       },
       router: {
         base: '/',
-        linkActiveClass: 'nuxt-link-active'
+        linkActiveClass: 'nuxt-link-active',
+        extendRoutes: null
       },
       build: {}
     }