add rollup config to build polyfills

1 files changed, 20 insertions, 0 deletions

diff --git a/.config/rollup.polyfills.js b/.config/rollup.polyfills.js
new file mode 100644
index 0000000..94f0654
--- /dev/null
+++ b/.config/rollup.polyfills.js
@@ -0,0 +1,20 @@
+import { uglify } from "rollup-plugin-uglify"
+import resolve from 'rollup-plugin-node-resolve'
+import commonjs from 'rollup-plugin-commonjs'
+
+export default [
+  {
+    input: './.config/polyfills.js',
+    output: {
+      file: 'dist/polyfills.js',
+      name: 'polyfills',
+      sourceMap: 'external',
+      format: 'iife'
+    },
+    plugins: [
+      resolve({browser: true}),
+      commonjs(),
+      uglify()
+    ]
+  }
+]