rollup.config.js

import resolve from "rollup-plugin-node-resolve";
import commonJs from "rollup-plugin-commonjs";
import babel from "rollup-plugin-babel";

const name = "react-fontawesome";
const globals = {
  "@fortawesome/fontawesome-svg-core": "FontAwesome",
  react: "React",
  "prop-types": "PropTypes"
};

export default {
  external: ["@fortawesome/fontawesome-svg-core", "prop-types", "react"],
  input: "src/index.js",
  output: [
    {
      name,
      globals,
      format: "umd",
      file: "index.js"
    },
    {
      name,
      globals,
      format: "es",
      file: "index.es.js"
    }
  ],
  plugins: [
    resolve({
      jsnext: true,
      main: true
    }),
    commonJs(),
    babel({
      babelrc: false,
      presets: [
        [
          "@babel/preset-env",
          {
            debug: true,
            modules: false
          }
        ],
        "@babel/preset-react"
      ],
      exclude: "node_modules/**"
    })
  ]
};