rollup-common.config.js

/* eslint-env node */
import {readFileSync} from 'fs';
import babel from 'rollup-plugin-babel';
import json from 'rollup-plugin-json';
import nodeResolve from 'rollup-plugin-node-resolve';
import sizes from 'rollup-plugin-sizes';

export default function generateBaseRollupConfig() {
  return {
    plugins: [
      json({
        exclude: './schema.json'
      }),
      nodeResolve({
        jsnext: true,
        main: true
      }),
      babel({
        babelrc: false,
        presets: [
          [`${process.cwd()}/node_modules/babel-preset-env/lib/index`, {
            targets: {
              browsers: ['last 2 versions'],
              node: '8.1.2'
            },
            modules: false
          }]
        ],
        plugins: [
          `${process.cwd()}/node_modules/babel-plugin-external-helpers/lib/index`
        ]
      }),
      sizes()
    ],
    banner: `/*
      ${readFileSync('./LICENSE.txt')}
      */`,
    entry: 'src/client.js',
    moduleName: 'ShopifyBuy',
    sourceMap: true
  };
}