[typescript] Webpack에서 ts 3.7을 컴파일 할 수 없음 (선택적 체인, Nullish Coalescing)

typescript 3.7Optional Chaining, Nullish Coalescing과 같은 기능 을 사용하려고합니다 . 그러나 webpacktranspaling하는 동안 오류가 발생합니다.

app: Module parse failed: Unexpected token (50:40)
app: File was processed with these loaders:
app:  * ../../../node_modules/ts-loader/index.js
app: You may need an additional loader to handle the result of these loaders.
app: | export const Layout = (props) => {
app: |     const regionsResults = useQuery(regionsQuery, { fetchPolicy: 'cache-first' });
app: >     const regions = regionsResults.data?.regions ?? [];
app: |     const userItem = useQuery(usersProfileQuery, { fetchPolicy: 'cache-first' });
app: |     const handleOnClick = (selected) => props.history.push(selected.key);
``

답변

  plugins: [
    '@babel/plugin-proposal-nullish-coalescing-operator',
  ],