update

rollup.config.mjs

@@ -8,11 +8,12 @@ import replace from '@rollup/plugin-replace';
 import pkgs from './package.json' with {type: 'json'};
 
 const isDev = process.env.NODE_ENV === 'development';
+const input = isDev ? './src/dev.ts' : './src/index.ts';
 /**
  * @type {import('rollup').RollupOptions}
  */
 const config = {
-  input: './src/index.ts',
+  input,
   output: {
     dir: './dist',
     entryFileNames: 'app.mjs',