From e950dd6a2ac2c86247e0534fea5af9c2d3ca3ed5 Mon Sep 17 00:00:00 2001
From: Jeff Cross <middlefloor@gmail.com>
Date: Mon, 14 Dec 2015 17:33:40 -0800
Subject: [PATCH] refactor(bundles): make rxjs an external dependency in umd
 bundle

Closes #5886
Closes #5893
---
 gulpfile.js | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index 0ef63ddb0c..8f9dac49ce 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1143,7 +1143,35 @@ gulp.task('!bundles.js.umd', ['build.js.dev'], function() {
       resolve: resolveOptions(devOrProd),
       module: {preLoaders: [{test: /\.js$/, loader: 'source-map-loader'}]},
       devtool: devOrProd === 'dev' ? 'inline-source-map' : undefined,
-      output: outputOptions(outFileName, devOrProd)
+      output: outputOptions(outFileName, devOrProd),
+      externals: {
+        'rxjs/Observable': 'umd Rx',
+        'rxjs/Subject': 'umd Rx',
+        'rxjs/subject/ReplaySubject': {
+          commonjs: 'rxjs/subject/ReplaySubject',
+          commonjs2: 'rxjs/subject/ReplaySubject',
+          amd: 'rxjs/subject/ReplaySubject',
+          root: ['Rx']
+        },
+        'rxjs/operator/take': {
+          commonjs: 'rxjs/operator/take',
+          commonjs2: 'rxjs/operator/take',
+          amd: 'rxjs/operator/take',
+          root: ['Rx', 'Observable', 'prototype']
+        },
+        'rxjs/observable/fromPromise': {
+          commonjs: 'rxjs/observable/fromPromise',
+          commonjs2: 'rxjs/observable/fromPromise',
+          amd: 'rxjs/observable/fromPromise',
+          root: ['Rx', 'Observable']
+        },
+        'rxjs/operator/toPromise': {
+          commonjs: 'rxjs/operator/toPromise',
+          commonjs2: 'rxjs/operator/toPromise',
+          amd: 'rxjs/operator/toPromise',
+          root: ['Rx', 'Observable', 'prototype']
+        }
+      }
     };
   }