put back module

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: '16'
+          node-version: '18'
       - name: Cache node_modules
         uses: actions/cache@v2
         env:

tsconfig.json

@@ -4,7 +4,7 @@
     "lib": ["dom", "dom.iterable", "esnext"],
     "strict": true,
     "noEmit": true,
-    "module": "CommonJS",
+    "module": "esnext",
     "moduleResolution": "node",
     "isolatedModules": true,
     "allowSyntheticDefaultImports": true