use standard polyfills (only tested with esm)

package.json

@@ -153,20 +153,27 @@
     "not Safari < 10",
     "not ios_saf < 10"
   ],
-  "dependencies": {},
+  "dependencies": {
+    "@babel/polyfill": "^7.10.4",
+    "core-js": "^3.6.5",
+    "regenerator-runtime": "^0.13.7"
+  },
   "devDependencies": {
+    "@babel/cli": "^7.10.5",
     "@babel/core": "^7.11.1",
     "@babel/node": "^7.10.5",
     "@babel/plugin-transform-modules-commonjs": "^7.10.4",
     "@babel/plugin-transform-named-capturing-groups-regex": "^7.10.4",
     "@babel/preset-env": "^7.11.0",
     "@babel/register": "^7.10.5",
+    "@babel/runtime-corejs3": "^7.11.2",
     "@cypress/code-coverage": "^3.8.1",
     "@cypress/fiddle": "^1.18.2",
     "@fintechstudios/eslint-plugin-chai-as-promised": "^3.0.2",
     "@hkdobrev/run-if-changed": "^0.3.1",
     "@mysticatea/eslint-plugin": "^13.0.0",
     "@rollup/plugin-babel": "^5.1.0",
+    "@rollup/plugin-commonjs": "^14.0.0",
     "@rollup/plugin-node-resolve": "^8.4.0",
     "@rollup/plugin-replace": "^2.3.3",
     "@rollup/plugin-url": "^5.0.1",
@@ -223,14 +230,12 @@
     "promise-fs": "^2.1.1",
     "qr-manipulation": "git+https://github.com/brettz9/qr-manipulation.git",
     "query-result": "git+https://github.com/WebReflection/query-result.git",
-    "react": "^16.13.1",
-    "react-dom": "^16.13.1",
-    "regenerator-runtime": "^0.13.7",
     "remark-cli": "^8.0.1",
     "remark-lint-ordered-list-marker-value": "^2.0.1",
     "rimraf": "^3.0.2",
     "rollup": "2.23.0",
     "rollup-plugin-copy": "^3.3.0",
+    "rollup-plugin-node-polyfills": "^0.2.1",
     "rollup-plugin-re": "^1.0.7",
     "rollup-plugin-terser": "^6.1.0",
     "stackblur-canvas": "^2.3.0",