perf: default locals attr

Author: Scrum

lib/index.js

@@ -114,7 +114,8 @@ module.exports = function postHTMLExpressions (options) {
     loopTags: ['each'],
     scopeTags: ['scope'],
     ignoredTag: 'raw',
-    strictMode: true
+    strictMode: true,
+    localsAttr: 'locals'
   }, options)
 
   // set tags

lib/locals.js

@@ -21,7 +21,7 @@ const ctx = vm.createContext({ module })
  */
 function scriptDataLocals (tree, options) {
   const locals = {}
-  const localsAttr = options.localsAttr || 'locals'
+  const localsAttr = options.localsAttr
 
   match.call(tree, matchHelper(`script[${localsAttr}]`), node => {
     if (node.content) {