Adds UMD headers to core, display and shared files.

src/shared/global.js

@@ -0,0 +1,47 @@
+/* Copyright 2015 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* globals PDFJS, global */
+
+'use strict';
+
+(function (root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    define('pdfjs/shared/global', ['exports'], factory);
+  } else if (typeof exports !== 'undefined') {
+    factory(exports);
+  } else {
+    factory((root.pdfjsSharedGlobal = {}));
+  }
+}(this, function (exports) {
+
+  var globalScope = (typeof window !== 'undefined') ? window :
+                    (typeof global !== 'undefined') ? global :
+                    (typeof self !== 'undefined') ? self : this;
+
+  var isWorker = (typeof window === 'undefined');
+
+  // The global PDFJS object exposes the API
+  // In production, it will be declared outside a global wrapper
+  // In development, it will be declared here
+  if (!globalScope.PDFJS) {
+    globalScope.PDFJS = {};
+  }
+
+  globalScope.PDFJS.pdfBug = false;
+
+  exports.globalScope = globalScope;
+  exports.isWorker = isWorker;
+  exports.PDFJS = globalScope.PDFJS;
+}));