rollup.config.js

import nodeResolve from 'rollup-plugin-node-resolve'
import babel from 'rollup-plugin-babel'
import replace from 'rollup-plugin-replace'
import uglify from 'rollup-plugin-uglify'
import commonjs from 'rollup-plugin-commonjs'
import flow from 'rollup-plugin-flow'

var env = process.env.NODE_ENV

var config = {
  entry: 'src/index.js',
  moduleName: 'Spected',
  exports: 'named',
  format: 'umd',
  sourceMap: env !== 'production',
  targets: (env == 'production') ?
  [
    { dest: 'dist/spected.min.js', format: 'umd' },
  ] :
  [
    { dest: 'dist/spected.js', format: 'umd' },
    { dest: 'dist/spected.es.js', format: 'es' },
  ],
  plugins: [
    babel({
      babelrc: false,
      presets: [["es2015", { "modules": false }], "stage-0"],
      plugins: [
        "external-helpers",
        'transform-object-rest-spread',
        'transform-flow-strip-types',
        'ramda',
      ],
      exclude: 'node_modules/**',
    }),
    flow(),
    commonjs(),
    nodeResolve({
      jsnext: true,
    }),
    replace({
      'process.env.NODE_ENV': JSON.stringify(env)
    })
  ]
}

if (env === 'production') {
  config.plugins.push(
    uglify({
      compress: {
        pure_getters: true,
        unsafe: true,
        unsafe_comps: true,
      },
      warnings: false,
    })
  )
}

export default config