Add env in context

lib/app/utils.js

@@ -31,7 +31,9 @@ export function getContext (context) {
     isDev: <%= isDev %>,
     <%= (store ? 'store: context.store,' : '') %>
     route: (context.to ? context.to : context.route),
-    error: context.error
+    error: context.error,
+    base: '<%= router.base %>',
+    env: <%= JSON.stringify(env) %>
   }
   const next = context.next
   ctx.params = ctx.route.params || {}

lib/build/index.js

@@ -174,6 +174,7 @@ function * generateRoutesAndFiles () {
       base: this.options.router.base,
       linkActiveClass: this.options.router.linkActiveClass
     },
+    env: this.options.env,
     head: this.options.head,
     store: this.options.store,
     css: this.options.css,