fix: normalize output tree, close #93

Author: Scrum

lib/index.js

@@ -1,6 +1,8 @@
 'use strict'
 
 const vm = require('vm')
+const parser = require('posthtml-parser')
+const render = require('posthtml-render')
 
 const getNextTag = require('./tags')
 const parseLoopStatement = require('./loops')
@@ -153,7 +155,7 @@ module.exports = function postHTMLExpressions (options) {
 
   // kick off the parsing
   return function (tree) {
-    return clearRawTag(walk({ locals: options.locals }, tree))
+    return normalizeTree(clearRawTag(walk({ locals: options.locals }, tree)))
   }
 }
 
@@ -412,3 +414,6 @@ function clearRawTag (tree) {
     return m
   }, [])
 }
+function normalizeTree(tree) {
+  return parser(render(tree))
+}