1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/compactArray.js.flow b/node_modules/fbjs/lib/compactArray.js.flow
new file mode 100644
index 000000000..5b8ccbecb
--- /dev/null
+++ b/node_modules/fbjs/lib/compactArray.js.flow
@@ -0,0 +1,28 @@
+/**
+ * Copyright 2015-present Facebook. All Rights Reserved.
+ *
+ * @providesModule compactArray
+ * @typechecks
+ * @flow
+ */
+
+'use strict';
+
+/**
+ * Returns a new Array containing all the element of the source array except
+ * `null` and `undefined` ones. This brings the benefit of strong typing over
+ * `Array.prototype.filter`.
+ */
+
+function compactArray<T>(array: Array<T | null | void>): Array<T> {
+  var result = [];
+  for (var i = 0; i < array.length; ++i) {
+    var elem = array[i];
+    if (elem != null) {
+      result.push(elem);
+    }
+  }
+  return result;
+}
+
+module.exports = compactArray;
+\ No newline at end of file