1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/monitorCodeUse.js b/node_modules/fbjs/lib/monitorCodeUse.js
new file mode 100644
index 000000000..d8682982f
--- /dev/null
+++ b/node_modules/fbjs/lib/monitorCodeUse.js
@@ -0,0 +1,26 @@
+/**
+ * Copyright 2014-2015, 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.
+ *
+ */
+
+'use strict';
+
+var invariant = require('./invariant');
+
+/**
+ * Provides open-source compatible instrumentation for monitoring certain API
+ * uses before we're ready to issue a warning or refactor. It accepts an event
+ * name which may only contain the characters [a-z0-9_] and an optional data
+ * object with further information.
+ */
+
+function monitorCodeUse(eventName, data) {
+  !(eventName && !/[^a-z0-9_]/.test(eventName)) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'You must provide an eventName using only the characters [a-z0-9_]') : invariant(false) : void 0;
+}
+
+module.exports = monitorCodeUse;
+\ No newline at end of file