feat: build in to es module

Makefile

@@ -10,6 +10,17 @@ tx_url2 = https://www.transifex.com/api/2/project/edx-platform/resource/$(transi
 # This directory must match .babelrc .
 transifex_temp = ./temp/babel-plugin-react-intl
 
+build:
+	rm -rf ./dist
+	./node_modules/.bin/fedx-scripts babel src --out-dir dist --source-maps --ignore **/*.test.jsx,**/*.test.js,**/setupTest.js --copy-files
+	@# --copy-files will bring in everything else that wasn't processed by babel. Remove what we don't want.
+	@find dist -name '*.test.js*' -delete
+	rm ./dist/setupTest.js
+	cp ./LICENSE ./dist/LICENSE
+	cp ./README.rst ./dist/README.rst
+	cp ./package.json ./dist/package.json
+
+
 precommit:
 	npm run lint
 	npm audit

package.json

@@ -3,6 +3,10 @@
   "version": "0.1.0",
   "description": "Special exams lib",
   "main": "dist/index.js",
+  "type": "module",
+  "exports": {
+    "import": "./dist/index.js"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/edx/frontend-lib-special-exams.git"
@@ -12,7 +16,7 @@
   ],
   "sideEffects": false,
   "scripts": {
-    "build": "fedx-scripts webpack --config ./webpack.config.js",
+    "build": "make build",
     "i18n_extract": "BABEL_ENV=i18n fedx-scripts babel src --quiet > /dev/null",
     "is-es5": "es-check es5 ./dist/*.js",
     "lint": "fedx-scripts eslint --ext .js --ext .jsx .",