first

rollup.config.js

@@ -0,0 +1,13 @@
+import typescript from 'rollup-plugin-typescript2'
+
+export default {
+    input: 'src/app.ts',
+    output: {
+        file: 'dist/app.js',
+        format: 'esm',
+    },
+    onwarn: (warning) => {
+        if (warning.code === 'UNRESOLVED_IMPORT') return
+    },
+    plugins: [typescript()],
+}