rollup.config.ts

import { camelCase } from 'lodash'
import commonjs from 'rollup-plugin-commonjs'
import external from 'rollup-plugin-peer-deps-external'
import json from 'rollup-plugin-json'
import resolve from 'rollup-plugin-node-resolve'
import sourceMaps from 'rollup-plugin-sourcemaps'
import typescript from 'rollup-plugin-typescript2'

const pkg = require('./package.json')

const libraryName = 'react-mixitup'

const globals = {
  react: 'React'
}

export default {
  input: `src/${libraryName}.tsx`,
  output: [
    { file: pkg.main, name: camelCase(libraryName), format: 'umd', sourcemap: true, globals },
    { file: pkg.module, format: 'es', sourcemap: true, globals }
  ],
  watch: {
    include: 'src/**'
  },
  plugins: [
    external(),
    // Allow json resolution
    json(),
    // 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({
      browser: true
    }),

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