yjdp-web/vite/plugins/legacy.ts

import legacy from '@vitejs/plugin-legacy';

export default () => {
  return legacy({
    targets: ['defaults', 'Chrome >= 51'],
    additionalLegacyPolyfills: ['regenerator-runtime/runtime'],
    modernPolyfills: ['es.string.replace-all'],
    renderLegacyChunks: true,
    polyfills: [
      'es.symbol',
      'es.array.flat-map',
      'es.array.filter',
      'es.promise',
      'es.promise.finally',
      'es.object.assign',
      'es.map',
      'es.set',
      'es.array.for-each',
      'es.object.define-properties',
      'es.object.define-property',
      'es.object.get-own-property-descriptor',
      'es.object.get-own-property-descriptors',
      'es.object.keys',
      'es.object.to-string',
      'web.dom-collections.for-each',
      'esnext.global-this',
      'esnext.string.match-all',
      'es.array.iterator',
      'es.string.includes',
      'es.string.starts-with',
      'es.object.values'
    ]
  });
};