npm run dev 살행 시 오류 발생

VS Code 터미널에서
- npm install 실행하고
- npm run dev 를 실행하면 아래 오류가 발생합니다.
** 오류가 발생하여 vs code를 삭제 후 재설치하여 다시 해봐도 동일 오류가 발생합니다.

PS D:\vuejs_workspace\Projects\learn-vue3> npm run dev

> learn-vue3@0.0.0 dev D:\vuejs_workspace\Projects\learn-vue3

> vite

(node:2112) UnhandledPromiseRejectionWarning: SyntaxError: Unexpected token '??='

at Loader.moduleStrategy (internal/modules/esm/translators.js:145:18)

(Use node --trace-warnings ... to show where the warning was created)

(node:2112) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)

(node:2112) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

PS D:\vuejs_workspace\Projects\learn-vue3>

---npm 버전 정보는 아래와 같습니다.

PS D:\vuejs_workspace\Projects\learn-vue3> npm version

{

'learn-vue3': '0.0.0',

npm: '6.14.15',

ares: '1.17.2',

brotli: '1.0.9',

cldr: '39.0',

icu: '69.1',

llhttp: '2.1.3',

modules: '83',

napi: '8',

nghttp2: '1.42.0',

node: '14.17.6',

openssl: '1.1.1l',

tz: '2021a',

unicode: '13.0',

uv: '1.41.0',

v8: '8.4.371.23-node.76',

zlib: '1.2.11'

}