From a83f6c8d1ebc2df56dd6e81054a258d67fb742f9 Mon Sep 17 00:00:00 2001
From: Jakub Niezgoda <jakub.niezgoda@amartus.com>
Date: Thu, 1 Aug 2019 13:58:58 +0200
Subject: [PATCH] Changed UMD version of package to be ES5 compatible (addition
 for CY-1473)

---
 package-lock.json | 10 ++++++++++
 package.json      |  1 +
 rollup.config.js  | 10 ++++++++--
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index e51a2c6..1e9af48 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7341,6 +7341,16 @@
         "acorn": "^6.1.1"
       }
     },
+    "rollup-plugin-babel": {
+      "version": "4.3.3",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-babel/-/rollup-plugin-babel-4.3.3.tgz",
+      "integrity": "sha512-tKzWOCmIJD/6aKNz0H1GMM+lW1q9KyFubbWzGiOG540zxPPifnEAHTZwjo0g991Y+DyOZcLqBgqOdqazYE5fkw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-module-imports": "^7.0.0",
+        "rollup-pluginutils": "^2.8.1"
+      }
+    },
     "rollup-plugin-commonjs": {
       "version": "10.0.1",
       "resolved": "https://registry.npmjs.org/rollup-plugin-commonjs/-/rollup-plugin-commonjs-10.0.1.tgz",
diff --git a/package.json b/package.json
index c9e991f..5dce97e 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "jest": "^24.8.0",
     "prettier": "^1.18.2",
     "rollup": "^1.16.7",
+    "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-commonjs": "^10.0.1",
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-terser": "^5.1.1"
diff --git a/rollup.config.js b/rollup.config.js
index 6f67666..80ee9a3 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,10 +1,11 @@
 import resolve from 'rollup-plugin-node-resolve';
+import babel from 'rollup-plugin-babel';
 import commonjs from 'rollup-plugin-commonjs';
 import { terser } from 'rollup-plugin-terser';
 import pkg from './package.json';
 
 export default [
-    // browser-friendly UMD build
+    // browser-friendly UMD build - ES5
     {
         input: 'src/index.js',
         output: {
@@ -13,7 +14,12 @@ export default [
             format: 'umd',
             sourcemap: true
         },
-        plugins: [resolve(), commonjs(), terser()]
+        plugins: [
+            resolve(),
+            commonjs(),
+            babel({ presets: ['@babel/preset-env'], exclude: 'node_modules/**' }),
+            terser()
+        ]
     },
 
     // CommonJS (for Node) and ES module (for bundlers) build.