rollup.config.js

import resolve from "rollup-plugin-node-resolve";
import commonjs from "rollup-plugin-commonjs";
import sourceMaps from "rollup-plugin-sourcemaps";
import typescript from "rollup-plugin-typescript2";
import camelCase from "lodash.camelcase";
// import uglify from "rollup-plugin-uglify";

const pkg = require("./package.json");

const external = Object.keys(pkg.dependencies);

const libraryName = 'vaper'

export default {
  input: "src/index.ts",
  output: [
    {
      file: pkg.main,
      name: camelCase(libraryName),
      format: "umd",
      sourcemap: true
    },
    { file: pkg.module, format: "es", sourcemap: true }
  ],
  plugins: [
    // Compile TypeScript files
    typescript({ useTsconfigDeclarationDir: true }),
    // Allow bundling cjs modules (unlike webpack, rollup doesn't understand cjs)
    commonjs(),
    // Allow node_modules resolution, so you can use 'external' to control
    // which external modules to include in the bundle
    // https://github.com/rollup/rollup-plugin-node-resolve#usage
    resolve(),

    // Resolve source maps to the original source
    sourceMaps()
  ],
  external
};