1 files changed, 24 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/partitionObjectByKey.js b/node_modules/fbjs/lib/partitionObjectByKey.js
new file mode 100644
index 000000000..3bc292c3b
--- /dev/null
+++ b/node_modules/fbjs/lib/partitionObjectByKey.js
@@ -0,0 +1,24 @@
+/**
+ * Copyright 2015-present Facebook. All Rights Reserved.
+ *
+ * @typechecks
+ * 
+ */
+
+'use strict';
+
+var partitionObject = require('./partitionObject');
+
+/**
+ * Partitions the enumerable properties of an object into two objects, given a
+ * whitelist `Set` for the first object. This is comparable to
+ * `whitelistObjectKeys`, but eventually keeping all the keys. Returns a tuple
+ * of objects `[first, second]`.
+ */
+function partitionObjectByKey(source, whitelist) {
+  return partitionObject(source, function (_, key) {
+    return whitelist.has(key);
+  });
+}
+
+module.exports = partitionObjectByKey;
+\ No newline at end of file