rollup.config.js

import commonjs from 'rollup-plugin-commonjs'
import json from 'rollup-plugin-json'
import resolve from 'rollup-plugin-node-resolve'
import { sizeSnapshot } from 'rollup-plugin-size-snapshot'
import sourceMaps from 'rollup-plugin-sourcemaps'
import typescript from 'rollup-plugin-typescript2'

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

export default {
  input: 'src/index.ts',
  output: [
    {
      file: pkg.main,
      format: 'umd',
      globals: { axios: 'axios' },
      name: 'elideJsonApiClient',
      sourcemap: true,
    },
    {
      file: pkg.module,
      format: 'es',
      globals: { axios: 'axios' },
      sourcemap: true,
    },
  ],
  // Modules that should not be included in the bundle (i.e. 'lodash')
  external: ['axios'],
  watch: {
    include: 'src/**',
  },
  plugins: [
    // Allow json resolution
    json(),
    // Compile TypeScript files
    typescript({ useTsconfigDeclarationDir: true }),
    // Allow bundling cjs modules
    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(),
    sizeSnapshot(),
  ],
}