skip css and hot-reload in server mode

Author: yyx990803

lib/compiler.js

@@ -60,6 +60,10 @@ compiler.applyConfig = function (config) {
 }
 
 compiler.compile = function (content, filePath, cb) {
+  var isProduction = process.env.NODE_ENV === 'production'
+  var isServer = process.env.VUE_ENV === 'server'
+  var isTest = !!process.env.VUEIFY_TEST
+
   // generate css scope id
   var id = 'data-v-' + genId(filePath)
   // parse the component into parts
@@ -96,7 +100,7 @@ compiler.compile = function (content, filePath, cb) {
     var map = null
     // styles
     var style = resolvedParts.styles.join('\n')
-    if (style) {
+    if (style && !isServer) {
       // emit style
       compiler.emit('style', {
         file: filePath,
@@ -126,7 +130,7 @@ compiler.compile = function (content, filePath, cb) {
     // template
     var template = resolvedParts.template
     if (template) {
-      if (process.env.NODE_ENV !== 'production') {
+      if (!isProduction && !isServer) {
         output +=
           'if (__vue__options__.functional) {console.error("' +
             '[vueify] functional components are not supported and ' +
@@ -142,7 +146,7 @@ compiler.compile = function (content, filePath, cb) {
       output += '__vue__options__._scopeId = "' + id + '"\n'
     }
     // hot reload
-    if (process.env.NODE_ENV !== 'production' && !process.env.VUEIFY_TEST) {
+    if (!isProduction && !isTest && !isServer) {
       output +=
         'if (module.hot) {(function () {' +
         '  var hotAPI = require("' + hotReloadAPIPath + '")\n' +