Initial work on ES6 modules

lib/handlebars/compiler/javascript-compiler.js

@@ -1,18 +1,12 @@
-var compilerbase = require("./base");
+import { COMPILER_REVISION, REVISION_CHANGES } from "handlebars/base";
 
-exports.attach = function(Handlebars) {
-
-compilerbase.attach(Handlebars);
-
-// BEGIN(BROWSER)
-/*jshint eqnull:true*/
-
-var Literal = function(value) {
+function Literal(value) {
   this.value = value;
 };
 
 
-var JavaScriptCompiler = Handlebars.JavaScriptCompiler = function() {};
+function JavaScriptCompiler() {};
+export default JavaScriptCompiler;
 
 JavaScriptCompiler.prototype = {
   // PUBLIC API: You can override these methods in a subclass to provide
@@ -162,8 +156,8 @@ JavaScriptCompiler.prototype = {
     var source = this.mergeSource();
 
     if (!this.isChild) {
-      var revision = Handlebars.COMPILER_REVISION,
-          versions = Handlebars.REVISION_CHANGES[revision];
+      var revision = COMPILER_REVISION,
+          versions = REVISION_CHANGES[revision];
       source = "this.compilerInfo = ["+revision+",'"+versions+"'];\n"+source;
     }
 
@@ -848,9 +842,3 @@ JavaScriptCompiler.isValidJavaScriptVariableName = function(name) {
   }
   return false;
 };
-
-// END(BROWSER)
-
-return Handlebars;
-
-};