text: const commonjs = require('rollup-plugin-commonjs');
  const resolve = require('rollup-plugin-node-resolve');
  const babel = require('rollup-plugin-babel');
  
  export default {
      input: 'build/module/index.js',
      sourcemap: true,
      plugins: [
          resolve({
              browser: true
          }),
          babel({
              exclude: 'node_modules/**',
              presets: [["env", {"modules": false}]],
              plugins: ["external-helpers"]
          }),
          commonjs()
      ]
  }