From 25b10d752085d5d860756cd421d6749d8cf4511b Mon Sep 17 00:00:00 2001
From: Moritz Moeller <m.moeller@bigpoint.net>
Date: Fri, 10 Oct 2014 15:34:43 +0200
Subject: [PATCH 1/4] Use XMLHttpRequest if available, even if not in browser

---
 src/system.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/system.js b/src/system.js
index 89c0858..b31f9e7 100644
--- a/src/system.js
+++ b/src/system.js
@@ -59,7 +59,7 @@
   }
 
   var fetchTextFromURL;
-  if (isBrowser || isWorker) {
+  if (typeof XMLHttpRequest != 'undefined') {
     fetchTextFromURL = function(url, fulfill, reject) {
       var xhr = new XMLHttpRequest();
       var sameDomain = true;
@@ -72,7 +72,7 @@
             sameDomain &= domainCheck[1] === window.location.protocol;
         }
       }
-      if (!sameDomain) {
+      if (!sameDomain && typeof XDomainRequest != 'undefined') {
         xhr = new XDomainRequest();
         xhr.onload = load;
         xhr.onerror = error;
@@ -102,7 +102,7 @@
       xhr.send(null);
     }
   }
-  else {
+  else if (typeof request != 'undefined') {
     var fs;
     fetchTextFromURL = function(url, fulfill, reject) {
       fs = fs || require('fs');
@@ -114,6 +114,9 @@
       });
     }
   }
+  else {
+    throw new TypeError('No API available to load external resources');
+  }
 
   class SystemLoader extends __global.LoaderPolyfill {
 

From 798e11cbeec8502acb6cc6e4bf3b0b560f7f17a4 Mon Sep 17 00:00:00 2001
From: Moritz Moeller <m.moeller@bigpoint.net>
Date: Fri, 10 Oct 2014 15:36:51 +0200
Subject: [PATCH 2/4] check availability of document.location and
 getElementsByTagName

---
 src/system.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/system.js b/src/system.js
index b31f9e7..fa9b20f 100644
--- a/src/system.js
+++ b/src/system.js
@@ -124,13 +124,16 @@
       super(options || {});
 
       // Set default baseURL and paths
-      if (isBrowser || isWorker) {
+      if (typeof __global.location != 'undefined' && typeof __global.location.href != 'undefined') {
         var href = __global.location.href.split('#')[0].split('?')[0];
         this.baseURL = href.substring(0, href.lastIndexOf('/') + 1);
       }
-      else {
+      else if (typeof process != 'undefined' && typeof process.cwd != 'undefined') {
         this.baseURL = process.cwd() + '/';
       }
+      else {
+        this.baseURL = '.';
+      }
       this.paths = { '*': '*.js' };
     }
 
@@ -258,7 +261,7 @@
 
   // <script type="module"> support
   // allow a data-init function callback once loaded
-  if (isBrowser) {
+  if (isBrowser && typeof document.getElementsByTagName != 'undefined') {
     var curScript = document.getElementsByTagName('script');
     curScript = curScript[curScript.length - 1];
 

From 0a070b09fa1f21afabc4700ff68f97a8816d4d2d Mon Sep 17 00:00:00 2001
From: Moritz Moeller <m.moeller@bigpoint.net>
Date: Fri, 10 Oct 2014 15:55:55 +0200
Subject: [PATCH 3/4] traceur sometimes inserts (void)0 as module name

---
 src/polyfill-wrapper-end.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/polyfill-wrapper-end.js b/src/polyfill-wrapper-end.js
index 199268c..c756ece 100644
--- a/src/polyfill-wrapper-end.js
+++ b/src/polyfill-wrapper-end.js
@@ -5,7 +5,7 @@ function __eval(__source, __global, load) {
   // Hijack System.register to set declare function
   var __curRegister = System.register;
   System.register = function(name, deps, declare) {
-    if (typeof name != 'string') {
+    if (typeof name != 'string' && typeof name != 'void') {
       declare = deps;
       deps = name;
     }

From 1d482d1cf1760f79a48be9e371628377bde3ff97 Mon Sep 17 00:00:00 2001
From: Moritz Moeller <m.moeller@bigpoint.net>
Date: Fri, 10 Oct 2014 15:58:22 +0200
Subject: [PATCH 4/4] do not try to compile modules that are already transpiled

---
 src/loader.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/loader.js b/src/loader.js
index 02f297f..ba59cd4 100644
--- a/src/loader.js
+++ b/src/loader.js
@@ -1023,6 +1023,14 @@ function logloads(loads) {
     // Returns an array of ModuleSpecifiers
     var traceur;
     Loader.prototype.parse = function(load) {
+      // module already transpiled to es5?
+      if (load.source.startsWith('System.register')) {
+        load.isDeclarative = true;
+        var source = load.source;
+        __eval(source, __global, load);
+        return;
+      }
+
       if (!traceur) {
         if (typeof window == 'undefined' &&
            typeof WorkerGlobalScope == 'undefined')