explain package.json

Author: avivkeller

src/generators/web/build/bundle.mjs

@@ -43,6 +43,9 @@ export default async function bundle(code, { server = false } = {}) {
       }),
       cssLoader(),
     ],
+    // We have a `package.json` file in `ui/` with `sideEffects: false`.
+    // This tells rolldown that we can safely tree-shake those files without
+    // worry that it'll break the final result.
     treeshake: true,
     write: false,
   });