react app

react-app/node_modules/react/lib/adler32.js

@@ -0,0 +1,32 @@
+/**
+ * Copyright 2013-2015, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @providesModule adler32
+ */
+
+/* jslint bitwise:true */
+
+'use strict';
+
+var MOD = 65521;
+
+// This is a clean-room implementation of adler32 designed for detecting
+// if markup is not what we expect it to be. It does not need to be
+// cryptographically strong, only reasonably good at detecting if markup
+// generated on the server is different than that on the client.
+function adler32(data) {
+  var a = 1;
+  var b = 0;
+  for (var i = 0; i < data.length; i++) {
+    a = (a + data.charCodeAt(i)) % MOD;
+    b = (b + a) % MOD;
+  }
+  return a | (b << 16);
+}
+
+module.exports = adler32;