Remove global Handlebars references

lib/handlebars/base.js

@@ -3,8 +3,6 @@
 import { extend, isEmpty } from "./utils";
 import Exception from "./exception";
 
-var K = function() { return this; };
-
 export var VERSION = "1.0.0";
 export var COMPILER_REVISION = 4;
 
@@ -44,6 +42,9 @@ export function HandlebarsEnvironment(helpers, partials) {
 HandlebarsEnvironment.prototype = {
   constructor: HandlebarsEnvironment,
 
+  logger: logger,
+  log: log,
+
   registerHelper: function(name, fn, inverse) {
     if (toString.call(name) === objectType) {
       if (inverse || fn) { throw new Exception('Arg not supported with multiple helpers'); }
@@ -148,7 +149,7 @@ function registerDefaultHelpers(instance) {
 
   instance.registerHelper('log', function(context, options) {
     var level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1;
-    Handlebars.log(level, context);
+    instance.log(level, context);
   });
 }
 
@@ -174,6 +175,6 @@ export function log(level, obj) { logger.log(level, obj); }
 
 export var createFrame = function(object) {
   var obj = {};
-  Handlebars.Utils.extend(obj, object);
+  extend(obj, object);
   return obj;
 };

lib/handlebars/compiler/ast.js

@@ -71,7 +71,7 @@ export function IdNode(parts) {
     original += (parts[i].separator || '') + part;
 
     if (part === ".." || part === "." || part === "this") {
-      if (dig.length > 0) { throw new Handlebars.Exception("Invalid path: " + original); }
+      if (dig.length > 0) { throw new Exception("Invalid path: " + original); }
       else if (part === "..") { depth++; }
       else { this.isScoped = true; }
     }

spec/builtins.js

@@ -1,10 +1,5 @@
 /*global CompilerContext, shouldCompileTo, compileWithPartials */
 describe('builtin helpers', function() {
-  var originalLog = Handlebars.log;
-  afterEach(function() {
-    Handlebars.log = originalLog;
-  });
-
   describe('#if', function() {
     it("if", function() {
       var string   = "{{#if goodbye}}GOODBYE {{/if}}cruel {{world}}!";
@@ -130,7 +125,7 @@ describe('builtin helpers', function() {
     var hash   = { blah: "whee" };
 
     var levelArg, logArg;
-    Handlebars.log = function(level, arg){ levelArg = level, logArg = arg; };
+    handlebarsEnv.log = function(level, arg){ levelArg = level, logArg = arg; };
 
     shouldCompileTo(string, hash, "", "log should not display");
     equals(1, levelArg, "should call log with 1");