rollup-iife.config.js

import resolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import json from 'rollup-plugin-json';
import typescript from 'rollup-plugin-typescript';
import replace from 'rollup-plugin-re';
import builtins from 'rollup-plugin-node-builtins';
import globals from 'rollup-plugin-node-globals';
import babel from 'rollup-plugin-babel';
import { terser } from 'rollup-plugin-terser';

export default {
  input: 'src/index.js',
  output: [
    {
      file: 'dist/verifier-iife.js',
      format: 'iife',
      name: 'Verifier'
    }
  ],
  plugins: [
    resolve({
      browser: true,
      preferBuiltins: true,
      extensions: ['.js', '.json']
    }),
    typescript(),
    // https://github.com/rollup/rollup-plugin-commonjs/issues/166
    // fix issue with jsonld
    replace({
      patterns: [
        {
          match: /jsonld.js/,
          test: 'global = window;',
          replace: ''
        },
        {
          match: /jsonld.js/,
          test: 'global = self;',
          replace: ''
        },
        {
          match: /jsonld.js/,
          test: 'global = $;',
          replace: ''
        },
        // fix jsonld|jsonldjs is not defined
        {
          match: /jsonld.js/,
          test: 'if(typeof jsonld === \'undefined\') {',
          replace: 'if(typeof window.jsonld === \'undefined\') {'
        },
        {
          match: /jsonld.js/,
          test: 'jsonld = jsonldjs = factory;',
          replace: 'window.jsonld = window.jsonldjs = factory;'
        },
        {
          test: 'var version = \'\'',
          replace: 'var version = \'11.0.0\''
        }
      ]

    }),
    commonjs({
      namedExports: {
        debug: ['debug'],
        'bitcoinjs-lib': ['bitcoin'],
        jsonld: ['jsonld']
      }
    }),
    json(),
    globals(),
    builtins(),
    babel({
      exclude: 'node_modules/**',
      runtimeHelpers: true,
      presets: [['@babel/env', {
        targets: {
          ie: '11'
        },
        debug: false,
        useBuiltIns: 'usage',
        corejs: 3,
        shippedProposals: true
      }]]
    }),
    terser()
  ]
};