1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/nullthrows.js.flow b/node_modules/fbjs/lib/nullthrows.js.flow
new file mode 100644
index 000000000..13227b0f6
--- /dev/null
+++ b/node_modules/fbjs/lib/nullthrows.js.flow
@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) 2013-present, 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 nullthrows
+ * @flow
+ */
+
+var nullthrows = function <T>(x: ?T): T {
+  if (x != null) {
+    return x;
+  }
+  throw new Error("Got unexpected null or undefined");
+};
+
+module.exports = nullthrows;
+\ No newline at end of file