import babel from 'rollup-plugin-babel';
import globals from 'rollup-plugin-node-globals';
import commonjs from 'rollup-plugin-commonjs';
import replace from 'rollup-plugin-replace';
import resolve from 'rollup-plugin-node-resolve';
import uglify from 'rollup-plugin-uglify';

const config = {
  input: 'src/index.js',
  output: {
    file: 'build/bundle.js',
    format: 'iife'
  },
  plugins: [
    resolve({
      preferBuiltins: false,
      browser: true,
      jsnext: true
    }),
    commonjs({
      include: 'node_modules/**'
    }),
    babel({ babelrc: true }),
    globals(),
    replace({
      'process.env.NODE_ENV': JSON.stringify('development')
    })
  ]
};

if (process.env.NODE_ENV == 'production') {
  config.output.file = 'build/bundle.min.js';
  config.plugins[3] = replace({ 'process.env.NODE_ENV': JSON.stringify('production') });
  config.plugins.push(
    uglify({
      compress: {
        pure_getters: true,
        unsafe: true,
        unsafe_comps: true,
        warnings: false
      }
    })
  );
}

export default config;