support 2.4 ssr optimization

Author: yyx990803

lib/template-compiler/index.js

@@ -22,10 +22,15 @@ module.exports = function (html) {
 
   var compilerOptions = {
     preserveWhitespace: options.preserveWhitespace,
-    modules: defaultModules.concat(userModules || [])
+    modules: defaultModules.concat(userModules || []),
+    scopedId: options.id
   }
 
-  var compiled = compiler.compile(html, compilerOptions)
+  var compile = isServer && compiler.ssrCompile
+    ? compiler.ssrCompile
+    : compiler.compile
+
+  var compiled = compile(html, compilerOptions)
 
   // tips
   if (compiled.tips && compiled.tips.length) {