Merge pull request #534 from dermotduffy/process-undefined

Remove attempt to serve in prod env

rollup.config.js

@@ -2,6 +2,7 @@ import typescript from 'rollup-plugin-typescript2';
 import commonjs from '@rollup/plugin-commonjs';
 import nodeResolve from '@rollup/plugin-node-resolve';
 import babel from '@rollup/plugin-babel';
+import { terser } from 'rollup-plugin-terser';
 import serve from 'rollup-plugin-serve';
 import json from '@rollup/plugin-json';
 import styles from 'rollup-plugin-styles';
@@ -43,7 +44,7 @@ const plugins = [
     exclude: 'node_modules/**',
   }),
   dev && serve(serveopts),
-  //!dev && terser(),
+  !dev && terser(),
 ];
 
 export default [