import { babel } from "@rollup/plugin-babel";
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
 import replace from "@rollup/plugin-replace";

 
 export default {

   input: "main.js",

   output: {

     file: "dist/main.o.js",

     sourcemap: true,

     format: "iife",

   },
   plugins: [

     replace({
       "process.env.NODE_ENV": JSON.stringify("development"),
       preventAssignment: true,
     }),
     babel({ exclude: "node_modules/**", babelHelpers: "bundled" }),
     nodeResolve({ browser: true }),

     commonjs(),

   ],

 };