init

backend/rollup.config.js

@@ -0,0 +1,19 @@
+import typescript from '@rollup/plugin-typescript'
+import resolve from '@rollup/plugin-node-resolve';
+import commonjs from '@rollup/plugin-commonjs'
+import json from '@rollup/plugin-json';
+/** @type {import('rollup').RollupOptions} */
+// ---cut---
+export default {
+	input: 'src/main.ts',
+	output: {
+		file: 'dist/bundle.js',
+		format: 'esm'
+	},
+	plugins:[
+		typescript(),
+		resolve({preferBuiltins: true}),
+		commonjs(),
+		json()
+	]
+};