From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 May 2017 15:35:00 +0200
Subject: node_modules

---
 node_modules/fbjs/lib/memoizeStringOnly.js | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 node_modules/fbjs/lib/memoizeStringOnly.js

(limited to 'node_modules/fbjs/lib/memoizeStringOnly.js')

diff --git a/node_modules/fbjs/lib/memoizeStringOnly.js b/node_modules/fbjs/lib/memoizeStringOnly.js
new file mode 100644
index 000000000..1431e27b5
--- /dev/null
+++ b/node_modules/fbjs/lib/memoizeStringOnly.js
@@ -0,0 +1,29 @@
+/**
+ * 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.
+ *
+ * 
+ * @typechecks static-only
+ */
+
+'use strict';
+
+/**
+ * Memoizes the return value of a function that accepts one string argument.
+ */
+
+function memoizeStringOnly(callback) {
+  var cache = {};
+  return function (string) {
+    if (!cache.hasOwnProperty(string)) {
+      cache[string] = callback.call(this, string);
+    }
+    return cache[string];
+  };
+}
+
+module.exports = memoizeStringOnly;
\ No newline at end of file
-- 
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