WIP - add extractor, generate snippet_data

node_modules/relay-runtime/lib/deepFreeze.js

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ *  strict
+ * @format
+ */
+'use strict';
+/**
+ * Recursively "deep" freezes the supplied object.
+ *
+ * For convenience, and for consistency with the behavior of `Object.freeze`,
+ * returns the now-frozen original object.
+ */
+
+function deepFreeze(object) {
+  Object.freeze(object);
+  Object.getOwnPropertyNames(object).forEach(function (name) {
+    var property = object[name];
+
+    if (property && typeof property === 'object' && !Object.isFrozen(property)) {
+      deepFreeze(property);
+    }
+  });
+  return object;
+}
+
+module.exports = deepFreeze;