rollup.config.js

import babel from '@rollup/plugin-babel'
import commonjs from '@rollup/plugin-commonjs'
import globals from './rollup.globals.js'
import json from '@rollup/plugin-json'
import nodePolyfills from 'rollup-plugin-polyfill-node'
import pkg from './package.json'
import replace from '@rollup/plugin-replace'
import resolve from '@rollup/plugin-node-resolve'
import { nodeResolve } from '@rollup/plugin-node-resolve'

export default {
  input: 'src/index.js',
  output: [
    {
      format: 'es',
      globals: globals,
      file: 'dist/esm/index.js',
      banner: `
var _global$1 = (typeof global !== "undefined" ? global :
  typeof self !== "undefined" ? self :
  typeof window !== "undefined" ? window : {});
if(_global$1.XMLHttpRequest == undefined) { _global$1.XMLHttpRequest = class XMLHttpRequest { open() {} } }
if(_global$1.location == undefined) { _global$1.location = {} }
if(_global$1.crypto == undefined) { _global$1.crypto = {} }
if(_global$1.crypto.getRandomValues == undefined) { _global$1.crypto.getRandomValues = function(abv) { var l = abv.length; while (l--) { abv[l] = parseInt(Math.random().toString().replace('0.', ''), 10) }; return abv } }
if(_global$1.crypto.randomBytes == undefined) { _global$1.crypto.randomBytes = function(size) { let array = new Uint8Array(size); _global$1.crypto.getRandomValues(array); return array } }
if(_global$1.fetch == undefined) { throw('Please polyfill .fetch | See: https://github.com/DePayFi/solana-web3.js#polyfill-fetch') }
      `
    },
    {
      format: 'umd',
      name: pkg.moduleName,
      globals: globals,
      file: 'dist/umd/index.js',
      banner: `
var _global$1 = (typeof global !== "undefined" ? global :
  typeof self !== "undefined" ? self :
  typeof window !== "undefined" ? window : {});
if(_global$1.XMLHttpRequest == undefined) { _global$1.XMLHttpRequest = class XMLHttpRequest { open() {} } }
if(_global$1.location == undefined) { _global$1.location = {} }
if(_global$1.crypto == undefined) { _global$1.crypto = {} }
if(_global$1.crypto.getRandomValues == undefined) { _global$1.crypto.getRandomValues = function(abv) { var l = abv.length; while (l--) { abv[l] = parseInt(Math.random().toString().replace('0.', ''), 10) }; return abv } }
if(_global$1.crypto.randomBytes == undefined) { _global$1.crypto.randomBytes = function(size) { let array = new Uint8Array(size); _global$1.crypto.getRandomValues(array); return array } }
if(_global$1.fetch == undefined) { throw('Please polyfill .fetch | See: https://github.com/DePayFi/solana-web3.js#polyfill-fetch') }
      `
    },
  ],
  external: [],
  treeshake: {
    moduleSideEffects: false,
  },
  plugins: [
    commonjs({
      transformMixedEsModules: true
    }),
    json(),
    nodePolyfills(),
    resolve(),
    babel({
      babelHelpers: 'bundled',
      presets: ["@babel/preset-env"]
    }),
    nodeResolve({
      browser: true,
      dedupe: ['bn.js', 'buffer'],
      extensions: ['.js','.ts'],
      preferBuiltins: false
    }),
    replace({
      preventAssignment: true,
      'global.Promise': '_global$1.Promise',
      'process.env.NODE_ENV': JSON.stringify('product'),
      'process.env.BROWSER': JSON.stringify('true'),
      'process.env.npm_package_version': JSON.stringify(
        process.env.npm_package_version,
      )
    }),
    {
      name: 'polyfill-after-bundle',
      generateBundle(options, bundle) {
        for (const fileName in bundle) {
          let file = bundle[fileName];
          if(file.code){
            file.code = file.code.replace(
              /var nodeCrypto[\s\S]*?;/m,
              "var nodeCrypto = _global$1.crypto;"
            )
          }
        }
      }
    }
  ]
}