diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000..dc8ff00
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,16 @@
+{
+  "presets": [
+    ["env", {
+      "modules": false,
+      "targets": {
+        "browsers": [
+          "> .25%",
+          "Firefox >= 52", // last ESR
+          "IE >=10"
+        ],
+	"uglify": true
+      },
+      "useBuiltIns": true
+    }]
+  ]
+}
diff --git a/.gitignore b/.gitignore
index 2c928f9..ab0f729 100644
--- a/.gitignore
+++ b/.gitignore
@@ -90,7 +90,6 @@
 yarn-error.log
 yarn-debug.log*
 
-.yarn-integrity
 .env
 package-lock.json
 node_modules
@@ -98,7 +97,6 @@
 /public/packs-test
 
 spec/examples.txt
-.babelrc
 .postcssrc.yml
 /public/packs
 /public/packs-test