Move noConflict implementation to module

DRYs the code to avoid escapes like #1004

Fixes #1004

lib/handlebars.js

@@ -1,4 +1,4 @@
-import Handlebars from './handlebars.runtime';
+import runtime from './handlebars.runtime';
 
 // Compiler imports
 import AST from './handlebars/compiler/ast';
@@ -7,7 +7,9 @@ import { Compiler, compile, precompile } from './handlebars/compiler/compiler';
 import JavaScriptCompiler from './handlebars/compiler/javascript-compiler';
 import Visitor from './handlebars/compiler/visitor';
 
-let _create = Handlebars.create;
+import noConflict from './handlebars/no-conflict';
+
+let _create = runtime.create;
 function create() {
   let hb = _create();
 
@@ -30,16 +32,9 @@ function create() {
 let inst = create();
 inst.create = create;
 
-inst.Visitor = Visitor;
+noConflict(inst);
 
-/* istanbul ignore next */
-let $Handlebars = global.Handlebars;
-/* istanbul ignore next */
-inst.noConflict = function() {
-  if (global.Handlebars === inst) {
-    global.Handlebars = $Handlebars;
-  }
-};
+inst.Visitor = Visitor;
 
 inst['default'] = inst;
 

lib/handlebars.runtime.js

@@ -1,4 +1,3 @@
-/*global window */
 import * as base from './handlebars/base';
 
 // Each of these augment the Handlebars object. No need to setup here.
@@ -8,6 +7,8 @@ import Exception from './handlebars/exception';
 import * as Utils from './handlebars/utils';
 import * as runtime from './handlebars/runtime';
 
+import noConflict from './handlebars/no-conflict';
+
 // For compatibility and usage outside of module systems, make the Handlebars object a namespace
 function create() {
   let hb = new base.HandlebarsEnvironment();
@@ -26,19 +27,11 @@ function create() {
   return hb;
 }
 
-let Handlebars = create();
-Handlebars.create = create;
+let inst = create();
+inst.create = create;
 
-/* istanbul ignore next */
-let root = typeof global !== 'undefined' ? global : window,
-    $Handlebars = root.Handlebars;
-/* istanbul ignore next */
-Handlebars.noConflict = function() {
-  if (root.Handlebars === Handlebars) {
-    root.Handlebars = $Handlebars;
-  }
-};
+noConflict(inst);
 
-Handlebars['default'] = Handlebars;
+inst['default'] = inst;
 
-export default Handlebars;
+export default inst;

lib/handlebars/no-conflict.js

@@ -0,0 +1,12 @@
+/*global window */
+export default function(Handlebars) {
+  /* istanbul ignore next */
+  let root = typeof global !== 'undefined' ? global : window,
+      $Handlebars = root.Handlebars;
+  /* istanbul ignore next */
+  Handlebars.noConflict = function() {
+    if (root.Handlebars === Handlebars) {
+      root.Handlebars = $Handlebars;
+    }
+  };
+}