multi entry

rollup.config.js

import babel from "rollup-plugin-babel";
import typescript from "rollup-plugin-typescript";
import uglify from "rollup-plugin-uglify";
import minify from "rollup-plugin-prototype-minify";

export default [
  {
    input: 'src/index.ts',
    plugins: [babel()], // or typescript()
    output: {
      banner,
      file: `./dist/item.js`,
      format: "es", freeze: false, interop: false, sourcemap: true,
    },
  },
  {
    input: 'src/index.umd.ts',
    plugins: [babel(), uglify()], // or typescript()
    output: {
      banner,
      file: `./dist/item.umd.js`,
      format: "umd", freeze: false, interop: false, sourcemap: true,
    },
  },
];