fix-es-build.patch

diff --git a/.babelrc b/.babelrc
index eb8457f..e425adb 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,5 +1,4 @@
 {
-  "presets": ["env", "flow"],
   "plugins": [
     ["transform-runtime", { "polyfill": false, "regenerator": true }],
     ["transform-inline-environment-variables", {
@@ -15,11 +14,21 @@
   "env": {
     "es": {
       "presets": [
-        ["env", { "modules": false }],
-        "flow",
-      ],
+        ["env", { "modules": false, "debug": true }],
+        "flow"
+      ]
+    },
+    "cjs": {
+      "presets": [
+        "env",
+        "flow"
+      ]
     },
     "test": {
+      "presets": [
+        "env",
+        "flow"
+      ],
       "plugins": ["dynamic-import-node"],
       "ignore": null
     }
diff --git a/scripts/jobs.js b/scripts/jobs.js
index db120fd..5449621 100644
--- a/scripts/jobs.js
+++ b/scripts/jobs.js
@@ -9,13 +9,13 @@ const clean = message => run(
 
 const umd = message => run(
   'webpack-cli',
-  {},
+  { BABEL_ENV: 'cjs' },
   message
 );
 
 const umdMinified = message => run(
   'webpack-cli --optimize-minimize',
-  {},
+  { BABEL_ENV: 'cjs' },
   message
 );