From 9af485a584e47fd503ed5c62b9f6482574715f1e Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 10 Oct 2016 03:50:11 +0200
Subject: Squashed 'thirdparty/systemjs/' content from commit 5ed69b6

git-subtree-dir: thirdparty/systemjs
git-subtree-split: 5ed69b6344e8fc1cd43bf758350b2236f57e1499
---
 lib/alias.js | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 lib/alias.js

(limited to 'lib/alias.js')

diff --git a/lib/alias.js b/lib/alias.js
new file mode 100644
index 000000000..1d37220b5
--- /dev/null
+++ b/lib/alias.js
@@ -0,0 +1,38 @@
+/*
+ * Alias Extension
+ *
+ * Allows a module to be a plain copy of another module by module name
+ *
+ * SystemJS.meta['mybootstrapalias'] = { alias: 'bootstrap' };
+ *
+ */
+(function() {
+  // aliases
+  hook('fetch', function(fetch) {
+    return function(load) {
+      var alias = load.metadata.alias;
+      var aliasDeps = load.metadata.deps || [];
+      if (alias) {
+        load.metadata.format = 'defined';
+        var entry = createEntry();
+        this.defined[load.name] = entry;
+        entry.declarative = true;
+        entry.deps = aliasDeps.concat([alias]);
+        entry.declare = function(_export) {
+          return {
+            setters: [function(module) {
+              for (var p in module)
+                _export(p, module[p]);
+              if (module.__useDefault)
+                entry.module.exports.__useDefault = true;
+            }],
+            execute: function() {}
+          };
+        };
+        return '';
+      }
+
+      return fetch.call(this, load);
+    };
+  });
+})();
\ No newline at end of file
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