1 files changed, 21 insertions, 0 deletions
diff --git a/support/es.test.js b/support/es.test.js
new file mode 100644
index 0000000..9f7fd5e
--- /dev/null
+++ b/support/es.test.js
@@ -0,0 +1,21 @@
+// simple async example to test ES module build output
+
+import {waterfall as waterfall} from  "../build-es/index";
+import async from "../build-es/index";
+import constant from "../build-es/constant";
+
+waterfall([
+    constant(42),
+    function (val, next) {
+        async.setImmediate(function () {
+            next(null, val);
+        });
+    }
+], function (err, result) {
+    if (err) { throw err; }
+    console.log(result);
+    if (result !== 42) {
+        console.log("fail");
+        process.exit(1);
+    }
+});