rollup.config.js

import uglify from "rollup-plugin-uglify";
import strip from "rollup-plugin-strip";
import replace from "rollup-plugin-replace";

let input = "./src/markerfactory.js",
  plugins = [
    strip({
      debugger: true,
      functions: ["console.log", "assert.*", "debug", "alert"],
      sourceMap: !!process.env.MINIFY
    }),
    replace({
      const: "var",
      let: "var"
    })
  ],
  output = [
    {
      file: "dist/markerfactory.js",
      format: "umd",
      exports: "named",
      extend: true,
      name: "MarkerFactory"
    },
    {
      file: "dist/markerfactory.es6.js",
      format: "es",
      extend: true
    }
  ];

if (process.env.MINIFY) {
  plugins.push(
    uglify({
      mangle: false
    })
  );
  output = {
    file: "dist/markerfactory.min.js",
    format: "umd",
    exports: "named",
    name: "MarkerFactory",
    sourcemap: true,
    extend: true
  };
}

export default {
  input: input,
  plugins: plugins,
  output: output
};