1 files changed, 14 insertions, 0 deletions
diff --git a/spec/frontend/__helpers__/graphql_helpers.js b/spec/frontend/__helpers__/graphql_helpers.js
new file mode 100644
index 00000000000..63123aa046f
--- /dev/null
+++ b/spec/frontend/__helpers__/graphql_helpers.js
@@ -0,0 +1,14 @@
+/**
+ * Returns a clone of the given object with all __typename keys omitted,
+ * including deeply nested ones.
+ *
+ * Only works with JSON-serializable objects.
+ *
+ * @param {object} An object with __typename keys (e.g., a GraphQL response)
+ * @returns {object} A new object with no __typename keys
+ */
+export const stripTypenames = (object) => {
+  return JSON.parse(
+    JSON.stringify(object, (key, value) => (key === '__typename' ? undefined : value)),
+  );
+};