rollup.config.js

import babel from "rollup-plugin-babel";
import commonjs from "rollup-plugin-commonjs";
import external from "rollup-plugin-peer-deps-external";
import postcss from "rollup-plugin-postcss";
import resolve from "rollup-plugin-node-resolve";
import url from "rollup-plugin-url";
import svgr from "@svgr/rollup";
import json from "rollup-plugin-json";
import pkg from "./package.json";
import nodeResolve from "rollup-plugin-node-resolve";

export default {
  input: "src/index.js",
  output: [
    {
      file: pkg.main,
      format: "cjs",
      sourcemap: true
    },
    {
      file: pkg.module,
      format: "es",
      sourcemap: true
    }
  ],
  plugins: [
    nodeResolve({ jsnext: true, preferBuiltins: true, browser: true }),
    json(),
    external(),
    postcss({
      modules: true
    }),
    url(),
    svgr(),
    babel({
      exclude: "node_modules/**",
      plugins: ["external-helpers"]
    }),
    resolve(),
    commonjs()
  ]
};