Put window.fabric under a build flag

HEADER.js

@@ -8,8 +8,6 @@ if (typeof exports !== 'undefined') {
 if (typeof document !== 'undefined' && typeof window !== 'undefined') {
   fabric.document = document;
   fabric.window = window;
-  // ensure globality even if entire library were function wrapped (as in Meteor.js packaging system)
-  window.fabric = fabric;
 }
 else {
   // assume we're running under node.js when document/window are not present

build.js

@@ -123,7 +123,7 @@ function ifSpecifiedAMDInclude(amdLib) {
 
 var filesToInclude = [
   'HEADER.js',
-
+  ifSpecifiedInclude('global', 'src/globalFabric.js'),
   ifSpecifiedInclude('gestures', 'lib/event.js'),
 
   'src/mixins/observable.mixin.js',

package.json

@@ -35,7 +35,7 @@
   },
   "license": "MIT",
   "scripts": {
-    "build": "node build.js modules=ALL exclude=json,gestures,accessors",
+    "build": "node build.js modules=ALL exclude=gestures,accessors",
     "build:watch": "onchange 'src/**/**' 'HEADER.js' 'lib/**/**' -- npm run build_export",
     "build_with_gestures": "node build.js modules=ALL exclude=json",
     "build_export": "npm run build && npm run export_dist_to_site",

src/globalFabric.js

@@ -0,0 +1,4 @@
+if (typeof document !== 'undefined' && typeof window !== 'undefined') {
+  // ensure globality even if entire library were function wrapped (as in Meteor.js packaging system)
+  window.fabric = fabric;
+}