Refactor of LU parser and LU raw parse API (#1285)

* Refactor of LU parser and LU raw parse API

* Exposing raw lu parsing

* Adding fixtures for new test

* Removing console.log

* Adding missing fixture file

* Addressing PR comments

Author: munozemilio

packages/lu/src/parser/lu/lu.js

@@ -4,8 +4,8 @@
  */
 
 const translateHelpers = require('./../lufile/translate-helpers')
-
 const luOptions = require('./luOptions')
+const luParser = require('./../lufile/luParser')
 
 class Lu {
     constructor(content, options = new luOptions){
@@ -22,6 +22,10 @@ class Lu {
         }
     }
 
+    parse(){
+        return luParser.parse(this.content, undefined, {});
+    }
+
     async translate(translate_key, tgt_lang, translate_comments = false, translate_link_text = false, region = ''){
         const translateSettings = new translateHelpers.translationSettings();
         translateSettings.subscriptionKey = translate_key