Splitchunk lazyload from index.ts not working

[Van Nguyen]

i have files

1. src/components/chart/chart-1.tsx
2. src/components/chart/chart-2.tsx

and i export from src/components/chart/index.ts

1. export {Chart1} from "./chart-1"

2. export {Chart2} from "./chart-2"

and then, i import in app.tsx
import {Chart1} from "./components/chart"

working well. But i using lazy load react
const Chart1 = lazy(() => import("./components/chart").then(m => ({default: m.Chart1})))

have a error
Uncaught SyntaxError: Unexpected token ';' const Chart1 = lazy(_c = () => ;then((m) => ({ default: m.Chart1 })));
What do I need to do with this?