diff --git a/packages/helpers/esm/_identity.js b/packages/helpers/esm/_identity.js
new file mode 100644
index 000000000000..7e4f0d5ead19
--- /dev/null
+++ b/packages/helpers/esm/_identity.js
@@ -0,0 +1,3 @@
+export function _identity(x) { return x; }
+
+export { _identity as _ };
\ No newline at end of file